Philip Bos | Chemical Physics Interdisciplinary Program: Graduate Education on Soft Matter Science | Kent State University

Philip Bos

Philip Bos

Phil Bos

Dr. Philip J. Bos is Associate Director of the Liquid Crystal Institute and a Professor in the Chemical Physics Interdisciplinary Program at Kent State University. He is the inventor of the pi cell and an alignment method for SmC* devices. His research interests include novel liquid crystal devices and applications.

Education

 

                Ph.D.    Physics      Kent State University         May, 1978

                          (Deuterium Magnetic Resonance Studies of Orientational Order in the Liquid Crystalline Phases) 

 

            M.A.     Physics      Kent State University         Sept., 1974

 

            B.A.      Physics      Hope College                      June, 1973

 

 

Employment

                         

                2001-present           Professor,  Chemical Physics Program

                                            Liquid Crystal Institute,  Kent State University

 

1997-present           Associate Director ; Liquid Crystal Institute, Kent State University

 

            1995- 2001             Associate Professor,  Chemical Physics Program

                                            Liquid Crystal Institute,  Kent State University

           

            7/95 - 9/95              Interim Director, Liquid Crystal Institute          

 

            1994-1995              Senior Research Fellow, Liquid Crystal Institute

                                            Kent State University

 

            1984-1993              Principal Scientist,  Display Research Dept.

                                            Tektronix Laboratories,  Tektronix Inc.

 

            1981-1984              Senior Scientist,  Display Research Dept.

                                            Tektronix Laboratories,  Tektronix Inc.

 

            1979-1981              Scientist,  Display Research Dept.

                                            Tektronix Laboratories,  Tektronix Inc.

 

            1978-1979              Postdoctoral Fellow, Liquid Crystal Institute,

                                            Kent State University

 

 

Honors and Awards

 

Invited Ben Sturgen Lecturer for 25th British Liquid Crystal Society Annual Conference. ( 2011)

 

Slottow-Owaki Prize  ( for outstanding contribution to education in the field of information display ),   Society for Information Display, 2010

 

Fellow,   Society for Information Display

 

Distinguished Scholar Award,  Kent State University, 2006 

 

Educational Activities

 

Course Development and Teaching

 

Developed Graduate level course “ Liquid Crystal Displays” .  Course has been offered  annually since 1995.

 

Co-developed continuing education course “Liquid Crystals: Materials and Display Devices”.  Course has been offered annually since  about 1993

 

Developed Graduate level course “Liquid Crystal Device Prototyping”.  Course has been offered annually since 2011

 

            Graduate Students:

 

Chad Hoke                  1995-1999       Ph.D.               (to Hewlett Packard  Labs)

            Assad Kahn                 1995-1995       M.S                 ( to Kent Display Systems)

            Jim Anderson              1995  2002      PhD                 ( to Hana Microdisplays Inc.)

            Philip Watson             1996- 2000      Ph.D                ( to 3M Optical Devices Div)

            Hiroyuki  Mori            1996-1999       Ph.D                ( to Fuji Photo Film )

            Chuck Titus                 1997- 2000      Ph.D                ( independent consultant)

            Mike Alimov               1998-1999       M.S                 ( to S-Vision)

            Shuxin Li                    1998-1999       M.S.                ( to Densitron)

            Salman Saeed             1998-2002       Ph.D                ( to 3-5 Systems)

            Bin Wang                    1999-2001       PhD                 ( to Agilent)

            Erica Bramley             2000-2003       PhD                 ( to Kodak)

            Chenhui Wang            2000-2003       PhD                 ( to ChemImage)

            Jianru Shi                    2001-2005       PhD                 ( Post – Doc )

            Xinghua Wang            2002-2005       PhD                 ( to ChemImage)

            Yanli Zhang                2002-2005       PhD                 ( to Intel )

            Cheng Chen                2003-2006       PhD                 (to Apple Computer)

            Yong-Kyu Jang           2005-2007       PhD                 ( to Samsung Electronics)

            Mitya Reznikov          2005-2008       PhD                 (to Technion University)

            Lei Shi                         2006-2009       PhD                 (to ChemImage )

Mike Dorjgotov          2006-2010       PhD                 ( to Apple Computer)

            Yi Huang                    2008-2013       PdD                 ( to Apple Computer)

            Lu Lu                          2009-2012       PhD                 ( to  Pittsburgh Plate Glass)

            Liwei Li                      2009-2013       PhD                 ( to Compound Photonics)

            Hsien-Hui Cheng        2011-2015       PhD                 (to Z-Space)

            Valerie Finnemeyer     2012-2016       PhD                 (to MIT Lincoln Laboratory)

            Kun Gao                     2014-2017       PhD                 (to BEAM Co.)

            Afsoon Jamali             2015-

            Colin McGinty            2015-

            Comrun Yousefzadeh 2016-

           

             

 

            Post Docs:

 

            Mark Flynn     1994                                        (to Kaiser Electronics)

            Dave Fredley 1994 - 1995                             ( to Motorola)

            Jon Ruth          1994 -2003                              ( to Alpha-Micron)

            Jianlin Li         1995-1996                               (to Polytronix)           

            Jianmin Chen 1995-1996                               ( to Samsung)

            Jianfung Li      1996-1997                               (to Reveo)

            Ray Folks        1995-1996

Vasa Sergan    1996 –2002                             (California State University,   Sacremento 

            George Barrick        2002-2003                                  ( to CWRU)

            Gi-Dong Li     2001-2003                               ( to Pusan University)

            Mike Fisch      2002-2003                               ( to NEOBeam)

            Bin Wang        2003-2006                               ( to Eastman Chemical)

            Bentley Wall   2005-2008                               ( to Dynamic Eye)

            Ke Zhang        2006-2008

 

 

 

 

           

 

Visiting Scientists

 

            Janez Pirs                    annually                       (Inst. of Joseph Stephan, Slovenia)

H. Wilderbeek             1999                (Eindhoven University of Technology)

            D.L.Seekola                1999                (University of Pretoria)

            Prof. H. Okada            3/96 - 8/96                   (Toyama Univ)

            Prof.  T. Nose             3/96 - 8/96                   (Akita Univ)

            N-D Kim                     9/95 - 8/96                  (Samsung)

            Hiroyuki Mori             9/96 – 9/99                  (Fugi-Film)

            Jianmin Chen             1997                            (Samsung)

            J.J. Lyu                        1997                            (Samsung)

Byung-Seob Ban         2005                            (Samsung)

Andriy Nych               2006                            (Institute of Physics, Kiev, Ukraine)

Oleg Yaroshchuk        2013                            (Institute of Physics, Kiev, Ukraine)

           

 

Professional  Society Activities

 

            Facebook/Oculus Technology Advisory Board ( 2015)

 

            Member program committee for the Society for Information Display annual conference. and session chairman  2014 – 2016

 

            Associate Editor of the Journal of the Society for Information Display ( 2008-2013)

 

            Chair, Academic Committee,   Society for Information Display ( 2008-2013)

 

            Member  program committee, 2008  International Display Research Conference

 

            General Chair,  26th International Display Research Conference; Kent , Ohio ( 2006)

 

            Member, Scientific Committee, 21st International Liquid Crystal Conference, Keystone Co, (2006)

 

            Member program committee for the Society for Information Display annual conference. and session chairman  1993? – 2013

 

            Member Scientific Committee,  19th International Liquid Crystal Conference, Edinburgh (2002)

 

            General Chair: 20th International Display Research Conference, Palm Beach Florida ( 2000)

 

            Oversees Advisor,  6- 12th  International Display Workshops, Japan (1999-2009);

           

            Member Scientific Committee, and session chair: 18th International Liquid Crystal Conference, Sendai Japan ( 2000)

 

            Program Chair for 1997 International Display Research Conference, Toronto

 

 

            NSF Engineering Research Center Site review team for Opto-electronic Comuputing Systems Center at Univ. of Colorado (Feb 15, 1996)

 

            Program Committee member and Session chair at the 1994 International Display Research Conference, Monterey.

 

            Past Member,  Editorial Board of Liquid Crystals

 
Book Edited
 

“ Mobile Displays, technology and applications”  Achintya Bhowmik, Zili Li, Philip Bos, Wiley (2008)

 

 

 Book Chapters

 

Towards True 3D Visual Displays and Immersive Interactions;  J.Larimer, P.Bos, A.Bhowmik;  as part of a book   “Interactive Displays” edited by Achintya K. Bhowmik  to be published in 2014 by John Wiley & Sons, Ltd.,

 

Alignment Layer Considerations for Defect-Free Bistable Smectic C Devices, Philip Bos, Chenhui Wang, Philip Watson in “Progress in Liquid Crystal Science and Technology”,   H-S Kwok, S.Naemura, H.Ong, World Scientific (2013)

 

The Pi Cell, Philip Bos, in “Handbook of Visual Display Technology, Ed:J.Chen, W.Cranton, M.Fihn, Springer-Verlag (2011)

 

“ Introduction to mobile display technologies” Achintya Bhowmik, Zili Li, Philip Bos  Chapter 1 in  “ Mobile Displays, technology and applications”  Achintya Bhowmik, Zili Li, Philip Bos, Wiley (2008)

 

The Effect of Polymer Networks on Twisted Nematic and SuperTwisted Nematic Displays .  chapter by P.J.Bos, D. Fredley, J. Li, J. Rahman,  Book edited by G. Crawford,    Title of Book: Liquid Crystals in Complex Geometries Formed by Polymer and Porous Networks.  Publisher : Taylor and Francis

 

            Liquid Crystal Shutter Systems for Time-Multiplexed stereoscopic Displays  in Stereo Computer Graphics and Other True 3D Technologies ,  Princeton Univ Press

 

            Improvement of the Viewing Angle for Display Devices with Gray Scale,  P. J. Bos, chapter in Liquid Crystals in the Nineties and Beyond  Ed Satyendra Kumar, publisher: World Scientific Publishing. c 1995  

 

               

 

 

 

 

          Refereed Publications

 

            Journal Articles: (155)

 

 

 

“High-efficiency large-angle Pancharatnam phase deflector based on dual-twist design”

Kun Gao, Colin McGinty, Harold Payson, Shaun Berry, Joseph Vornehm, Valerie Finnemeyer, Brian  Roberts , and Philip Bos OPTICS EXPRESS 25,no6, 20 Mar 2017 p6283

 


“Field-symmetrization to solve luminance deviation between frames in a low-frequency-driven fringe-field switching liquid crystal cell”   Kim, Min Su; Bos, Philip J.; Kim, Dong-Woo; et al.  OPTICS EXPRESS   Volume: 24   Issue: 26   Pages: 29568-29576   Published: DEC 26 2016

 

Flexoelectric effect in an in-plane switching (IPS) liquid crystal cell for low-power consumption display devicesKim, Min Su; Bos, Philip J.; Kim, Dong-Woo; et al.

SCIENTIFIC REPORTS   Volume: 6     Article Number: 35254   Published: OCT 12 2016

 

 

 “Broadband optical switch based on liquid crystal dynamic scattering”; Geis, MW;  Bos, P;  Liberman, V;  Rothschild, M; OPTICS EXPRESS SN 1094-4087 PD JUN 27 PY 2016 VL 24 IS 13 BP 13812 EP 13823

 

“Scalable Fabrication Process for Liquid Crystal-Based Uncooled Thermal Imagers”; Berry, S;

 Bozler, CO; Reich, RK; Clark, HR;  Bos, P;  Finnemeyer, V;  McGinty, C; JOURNAL OF MICROELECTROMECHANICAL SYSTEMS; JUN PY 2016 VL 25 IS 3 BP 479 EP 488

 

”Nonmechanical zoom lens based on the Pancharatnam phase effect”; Gao, K; Cheng, HH; Bhowmik, A;  McGinty, C; Bos, P; APPLIED OPTICS SN 1559-128X EI 2155-3165 PD FEB 10 PY 2016 VL 55 IS 5 BP 1145 EP 1150

 

“Analysis of a dual-twist Pancharatnam phase device with  ultrahigh-efficiency large-angle optical beam steering”; Cheng, HH; Bhowmik, AK; Bos, PJ; APPLIED OPTICS SN 1559-128X EI 2155-3165 PD DEC 1 PY 2015 VL 54 IS 34 BP 10035 EP 10043

 

“Maximizing electro-optic performances in the fringe-field switching  liquid crystal mode with negative dielectric anisotropic liquid crystal” Lim, YJ;  Kim, JH;  Choi, HS;  Lee, BH; Kim, DH; Kundu, S;  Jung, JH;  Lee, SH;  Bos, PJ; JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY SN 1071-0922 EI 1938-3657 PD NOV PY 2015 VL 23 IS 11 BP 553 EP 559

 

“Thin-film Pancharatnam lens with low f-number and high quality”. Gao, K;  Cheng, HH;  Bhowmik, AK;  Bos, PJ;  OPTICS EXPRESS SN 1094-4087 PD OCT 5 PY 2015 VL 23 IS 20 BP 26086 EP 26094

 

Versatile alignment layer method for new types of liquid crystal photonic devices”; Finnemeyer, V.; Bryant, D.; Reich, R.; Clark, H.; Berry, S.; Bozler, C; Yaroshchuk,O.; Lu, L.; Bos, P;    JOURNAL OF APPLIED PHYSICS  Volume: 118   Issue: 3     Article Number: 034501   Published: JUL 21 2015

 

Concept for a Transmissive , large angle, light steering device with high efficiency” Cheng, H-H; Bhowmik, A.K.;  Bos, P.J:  Optics Letters 40(9) p 2080  ( May 1, 2015)

 

Low voltage fast response display using dual pi-cells with quarter-wave thickness”  Cheng, H-H; Bhowmik,A.K;  Bos, P.J.; Journal of the Society for Information Display 22(5) p229 ( May 2014)

 

Liquid crystal lens with concentric electrodes and inter-electrode resistors”  Li, L.; Bryant, D.; Bos, P.:  Liquid Crystal Reviews 2(2) p 130  ( 2014)

 

Detailed Modeling of the Effect of Gap Between Ring Electrodes on the MTF of Liquid Crystal Lenses and Comparison with a "Floating" Electrode Design”;  Li, Liwei; Bos, Philip

MOLECULAR CRYSTALS AND LIQUID CRYSTALS  Volume: 594   Issue: 1   Special Issue: SI   Pages: 78-85  Published: MAY 3 2014

 

Speed, optical power, and off-axis imaging improvement of refractive liquid crystal lenses”; Li, L.; Bryant, Doug; Van Heugten, Tony; Bos, P;  APPLIED OPTICS Volume 53, Issue 6, pages 1124-1131, Published FEB 20, 2014

 

“ Fast-response liquid crystal variable optical retarder and multilevel attenuator”; Cheng, H.; Bhowmik, A.; Bos, P.;  ; OPTICAL ENGINEERING, Volume 52, Issue 10, Article Number 107105, Published OCT 2013

 

“Surface localized polymer aligned liquid crystal lens”; Lu, L; Sergan, V; Van Heugten, T ; Duston, D; Bhowmik, A); Bos, PJ  OPTICS EXPRESS  Volume: 21  Issue: 6  Pages: 7133-7138  Published: MAR 25 2013

  

“Physical limitations and fundamental factors affecting performance of liquid crystal tunable lenses with concentric electrode rings” Li, LW; Bryant, D ; van Heugten, T; Bos, PJ  APPLIED OPTICS  Volume: 52  Issue: 9  Pages: 1978-1986  Published: MAR 20 2013

 

"Near-diffraction-limited tunable liquid crystal lens with simplified design,"; L. Li, D. Bryant, T. V. Heugten, D. Duston and P. J. Bos, Opt. Eng. 52(3), 035007 (2013).

 

"Near-diffraction-limited low-haze electro-optical tunable liquid crystal lens with floating electrodes,"; L. Li, D. Bryant, T. V. Heugten, and P. J. Bos, Optics Express , Vol 21,No7, p 8371 published 29 March 2013

 

“In situ control of surface molecular order in liquid crystals using a localised polymer network and its application to electro-optical devices”;  Sergan, TA; Sergan, V; Herrera, R; Lu, L; Bos, PJ; Sergan, EV LIQUID CRYSTALS  Volume: 40  Issue: 1  Pages: 72-82  DOI: 10.1080/02678292.2012.733036  Published: JAN 1 2013

 

“The effect of dielectric constant on ion adsorption in liquid crystal devices”;  Lu, L; Bhowmik, A; Bos, P  LIQUID CRYSTALS  Volume: 40  Issue: 1  Pages: 7-13  DOI: 10.1080/02678292.2012.730641  Published: JAN 1 2013

 

“Spatial and orientational control of liquid crystal alignment using a surface localized polymer layer”; Lu, L; Sergan, T; Sergan, V; Bos, PJ APPLIED PHYSICS LETTERS  Volume: 101  Issue: 25  Article Number: 251912  DOI: 10.1063/1.4773010  Published: DEC 17 2012

 

“Mechanism of electric-field-induced segregation of additives in a liquid-crystal host”; , Lu,Lu; Sergan, V; Bos, PJ PHYSICAL REVIEW E  Volume: 86  Issue: 5  Article Number: 051706  DOI: 10.1103/PhysRevE.86.051706  Part: 1  Published: NOV 27 2012

 

Characterization of Ionic Impurities Adsorbed onto a 5 degrees SiOx Alignment Film”; Huang, Yi; Bhowmik, Achintya; Bos, Philip J.   JAPANESE JOURNAL OF APPLIED PHYSICS  Volume: 51   Issue: 3  March 2012   Article Number: 031701   DOI: 10.1143/JJAP.51.031701

The effect of salt on ion adsorption on a SiOx alignment film and reduced conductivity of a liquid crystal host “; Huang Yi; Bos Philip J.; Bhowmik Achintya  JOURNAL OF APPLIED PHYSICS  Volume: 111   Issue: 2   Jan 2012  Article Number: 024501   DOI: 10.1063/1.3676263

Reduced residual DC voltages in LCDs by using fluorinated polyimides”;   Lu Lu; Huang Yi; Zhang Ke; Liu,Na; Tweig, R.J.; Auman. B; Bhownik, A. Bos, P. JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY  Volume: 19   Issue: 6   Pages: 447-452   DOI: 10.1889/JSID19.6.447   Published: JUN 2011

The effect of surface alignment on analog  control of director rotation in polarization stiffened SmC* devices”; Reznikov Mitya; Lopatina Lena M.; O'Callaghan Michael J.; Bos, Philip    JOURNAL OF APPLIED PHYSICS  Volume: 109   Issue: 5     Article Number: 054108   DOI: 10.1063/1.3552297   Published: MAR 1 2011

 

The ion capturing effect of 5 degrees SiO(x) alignment films in liquid crystal devices “; Huang Yi; Bos Philip J.; Bhowmik Achintya  JOURNAL OF APPLIED PHYSICS  Volume: 108   Issue: 6     Article Number: 064502   DOI: 10.1063/1.3481088   Published: SEP 15 2010

“High tunability mixed order photonic crystal”   Dorjgotov, EA; Bhowmik, AK; Bos, PJ; APPLIED PHYSICS LETTERS, 96 (16): Art. No. 163507 APR 19 2010

“Dynamics of a liquid-crystal variable optical prism based on Pancharatnam phase” Shi, L; McManamon, PF ; Bryant, D; Zhang, K ; Bos, PJ;  APPLIED OPTICS, 49 (6): 976-985 FEB 20 2010

Comparison of organic and inorganic alignment layers for low-power liquid-crystal devices using low-frequency applied-voltage waveforms” Huang, Y ; Bhowmik, A ; Bos, P  JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, 18 (3): 206-210 MAR 2010

“Control of the molecular pretilt angle in liquid crystal devices by using a low-density localized polymer network” Sergan, VV ; Sergan, TA; Bos, PJ  CHEMICAL PHYSICS LETTERS, 486 (4-6): 123-125 FEB 12 2010

“Design considerations for high efficiency liquid crystal decentered microlens arrays for steering light” Shi, L ; Shi, J; McManamon, PF; Bos, PJ ;  APPLIED OPTICS, 49 (3): 409-421 JAN 20 2010

“The effect of SiOx alignment layer thickness on the switching of SmC* bistable liquid crystal devices” Reznikov, M ; Bos, PJ; O'Callaghan, MJ; JOURNAL OF APPLIED PHYSICS, 107 (1): Art. No. 014103 JAN 1 2010

“Tuning the sensitivity of a liquid crystal-based chemical/biological sensor using a novel double layer alignment film”  Zhang, K; Liu, N; Twieg, RJ; Bos, PJ ; LIQUID CRYSTALS, 36 (10-11): 1031-1035 2009

“Polarization-independent liquid-crystal-etalon modulator“ Dorjgotov, EA ;  Bhowmik, AK; Bryant, D; Chien, LC; Bos, PJ ;  JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, 17 (12): 1015-1020 DEC 2009

“Design of a wide bandwidth switchable mirror based on a liquid crystal etalon” Dorjgotov, EA; Bhowmik, AK;  Bos, P; JOURNAL OF APPLIED PHYSICS, 105 (10): Art. No. 104906 MAY 15 2009

“A Review of Phased Array Steering for Narrow-Band Electrooptical Systems” McManamon, PF; Bos, PJ; Escuti, MJ; Heikenfeld, J; Serati, S; Xie, HK; Watson, EA; PROCEEDINGS OF THE IEEE, 97 (6): 1078-1096 Sp. Iss. SI JUN 2009

“High Efficiency Liquid Crystal Etalon Modulator for Pico-Projection Displays” Dorjgotov, EA; Bhowmik, AK; Bos, PJ ;  JAPANESE JOURNAL OF APPLIED PHYSICS, 48 (4): Art. No. 042201 Part 1 APR 2009

Enhancement of the Direct Symmetric Splay to Bend Transition in Liquid Crystal Cell”   Wang, B; Zhang, YL; Jang, YK ; Bos, PJ ; JAPANESE JOURNAL OF APPLIED PHYSICS, 48 (2): Art. No. 022502 FEB 2009

“Factors affecting the dynamics of a pi-cell”(Invited Paper) Huang, Y; Bos, PJ; Kim, KH; Jang, JK; Kim, HS; JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, 16 (9): 939-945 SEP 2008

Switchable polarization-independent liquid-crystal Fabry-Perot filter” ; Dorjgotov, EA; Bhowmik, AK; Bos, PJ; APPLIED OPTICS, 48 (1): 74-79 JAN 1 2009

“Pretilt study of double-layer alignment film (DLAF)” ;  Zhang, K; Liu, N; Twieg, RJ; Auman, BC; Bos, PJ;   LIQUID CRYSTALS, 35 (10): 1191-1197 2008

“Conditions and limitations of perfect phase compensation in liquid crystal devices”; Jang, YK; Bos, P; JAPANESE JOURNAL OF APPLIED PHYSICS, 47 (7): 5466-5471 Part 1 JUL 200

“Monodomain alignment of the smectic-A liquid crystalline phase from the isotropic phase”; Reznikov, M; Wall, B; Handschy, MA; Bos, PJ;  JOURNAL OF APPLIED PHYSICS, 104 (4): Art. No. 044902 AUG 15 2008

“Liquid crystal optical phase plate with a variable in-plane gradient”  Shi, L; McManamon, PF; Bos, PJ; JOURNAL OF APPLIED PHYSICS, 104 (3): Art. No. 033109 AUG 1 2008

“Study of optimized curing conditions for polymer-stabilized pi-cell with compensation film”  Jeong, SY; Kim, DW; Rhie, KW; Hong, MP; Bos, P; Jang, WG; Kim, KH; Shin, ST; JAPANESE JOURNAL OF APPLIED PHYSICS, 47 (3): 1647-1650 Part 1 MAR 2008 *

“Alignment memory of a nematic liquid crystal and thermal isotropization of the surface adsorbed layer”;  Nych, AB; Reznikov, DY; Boiko, OP; Nazarenko, VG; Pergamenshchik, VM; Bos, P;  EPL, 81 (1): Art. No. 16001 2008

“Anchoring transitions of liquid crystals on SiOx”Cheng Chen and Philip Bos, , Liquid Crystals, 35, 2008

“Comparison and analysis of off-axis color shift properties of compensated liquid crystal devices” Yong-Kyu Jang, Philip Bos, Japanese Journal of Applied Physics, 46,  2007

Wide-angle achromatic prism beam steering for infrared countermeasures and imaging applications: solving the singularity problem in the two-prism design” P. J.Bos,  H. Garcia, V, Sergan, , Optical Engineering, 46, p113001 (2007)

 

“Optimization of the white state director configuration for perfectly compensated pi-cell devices” Yong-Kyu Jang, Philip Bos, Japanese Journal of Applied Physics, 46,  2007

“Universal off-axis light transmission properties of the bright state in perfectly compensated liquid crystal devices” Yong-Kyu Jang, Philip Bos, , Journal of Applied Physics, 102, Issue 1, 013101-013101-6, July 1, 2007.

 

“Analysis of the multireflection effects in compensated liquid crystal devices” Yong-Kyu Jang, Philip Bos, , Journal of Applied Physics, 101, Issue 3, 033131-033131-6, February 1, 2007.

“Alternative dynamics for the symmetric splay to bend transition in a nematic liquid crystal layer” Yanli Zhang, David B. Chung, Bin Wang, Philip J. Bos, , Liquid Crystals,34, No. 2, 143-152, February 2007.

“Modeling and performance limits of a large aperture high-resolution wavefront control system based on a liquid crystal spatial light modulator” Xinghua Wang, Bin Wang, Philip J. Bos, Paul F. McManamon, John J. Pouch, Félix A. Miranda, James E. Anderson  Optical Engineering, 46, No. 4, 44001-1-17, April 2007.

 

“Improved liquid crystals for vertical alignment applications,”Cheng, C., Bos, P. J., Kim, J., Li, Q., Anderson, J. E., J. Appl. Phys. 99, No. 12, 123523-1-6, (2006).

 

“Selective light-induced desorption: the mechanism of photoalignment of liquid crystals at adsorbing solid surfaces,”Nazarenko, V. G., Boiko, O. P., Nych, J. A. B., Nastishin,Yu. A., Pergamenshchik, V. M., Bos, P., Europhysics Letters. v. 75, No. 3, 448-54, (2006).

 

“High-efficiency, liquid-crystal-based, controllable diffraction grating,”Yanli Z., Wang, B., Bos, P. J., Colegrove, J., Chung, D. B., J. Opt. Soc. Am. A, (Optics, Image Science and Vision), 22, No. 11, 2510-15, (2005).

 

“Modeling and design of an optimized liquid-crystal optical phased array,”Wang, X., Wang, B., Bos, P. J., McManamon, P. F., Pouch, J. J., Miranda, F. A., Anderson, J. E., J. Appl. Phys. 98, No. 7, 73101-1-8, (2005).

 

“Uniform vertical alignment of liquid crystal that has a large negative dielectric,” Chen, C., Anderson, J. E., Bos, P. J., Jpn. J. Appl. Phys., Part 2 (Letters). 44, N0. 33-36, L1126-7, (2005).

 

“Control of dispersion in form birefringent-based holographic optical retarders,” Montbach, E. N., Bos, P. J., Opt. Eng. 44, No. 12, 124001-1-6, (2005).

 

“Broadband optical phased-array beam steering,” McManamon, P. F., Shi, J., Bos, P. J., Opt. Eng. 44, No. 12, 128004-1-5, (2005).

 

Stressed liquid-crystal optical phased array for fast tip-tilt wavefront correction,”, Wang, B., Zhang, G., Glushchenko, A., West, J. L., Bos, P. J., McManamon, P. F., Appl. Optics. 44, No. 36, 7754-9, (2005).

 

“Finite-difference time-domain simulation of a liquid-crystal optical phased array,” X. Wang,  B. Wang,  P. Bos,  J. Anderson,  J. Pouch,  F. Miranda,   J. Opt. Soc. A A 22, No. 2, 346-354 (2005).

 

“Methods to obtain high-contrast-ratio twisted nematic liquid crystal device at wavelength of 1.55µm,” B. Wang,  Y. Zhang,  X. Wang,  P. Bos,   Jpn. J. Appl. Phys., 44 No. 3, 1344-1347 (2005).

 

“Optimizing the nematic liquid crystal relaxation speed by magnetic field,” B. Wang,  X. Wang,  P. Bos, J. Appl. Phys. 96, No. 4, 1785-1789 (2004).

 

“Performance evaluation of a liquid-crystal-on-silicon spatial light modulator,” X. Wang,  B. Wang,  J. Pouch,  F. Miranda,  J. Anderson,  P. Bos,  Opt. Eng. 43, No. 11, 2769-2774 (2004).

 

“The geometrical optics approach for multidimensional liquid crystal cells,” G. Panasyuk,  J. Kelly, P. Bos,  E. Gartland,  D. Allender, Liq. Cryst. 31, No. 11, 1503-1515 (2004).

 

“Poincare sphere analysis of reflective liquid crystal device,” Y. Zhang,  B. Wang, D. Chung, P. Bos, Jpn. J. Appl. Phys., Part 1, v. 43 no. 10, 7125-7128 (2004).

 

“Fast switching polymer stabilized splay cell (PSSC),” V. Sergan,  X. Wang,  P. Bos,  G. Sharp,  Mol. Cryst. Liq. Cryst. 410, 1015-1021 (2004).

 

“Defect-free bistable C1 surface stabilized ferroelectric liquid crystal display,” C. Wang,  M. Wand,  M. Handschy,  P. Bos, Jpn. J. Appl. Phys. 43, 3479-3483 June (2004).

 

“Generalized spectroscopic ellipsometry and Mueller-matrix study of twisted nematic and super twisted nematic liquid crystals,” J. Hilfiker,  B. Johs,  C. Herzinger,  J. Elman, E. Montbach, D. Bryant,  P. Bos, Thin Solid Films 455, 596-600 May 1, (2004).

 

“Finite-difference time-domain calculations of a liquid-crystal-based switchable Bragg grating,” B. Wang, X. Wang, P. Bos, J. Opt. Soc. Am. A 21, 1066-1072 June (2004).

 

“Compensating a twisted nematic liquid crystal display with matched wavelength dispersion retarders,” E. Montbach,  P. Bos,  W. Gambogi,  Jpn. J. Appl. Phys. 43, 1376-1383 April (2004).

 

“Computing the liquid crystal director field in optical phased arrays,” G. Barrick, P. Bos,  C. Titus, Opt. Eng. 43, 924-932 April (2004).

 

“Finite-difference time-domain optical calculations of polymer-liquid crystal composite electrodiffractive device,” B. Wang,  D. Chung,  P. Bos,  Jpn. J. Appl. Phys. 43, 176-181 January (2004).

 

“Light propagation in variable-refractive-index materials with liquid-crystal-infiltrated microcavities,” B. Wang, P. Bos, C. Hoke,  Journal of the Optical Society of America A: Optics and Image Science, and Vision. v. 20 no. 11, 2123-2130 November (2003).

 

“Fast Q-tensor method for modeling the dynamics of defects in a liquid crystal director field,” G. Lee, P. Bos, S. Ahn, K. Kim, Phys. Rev. E., 67, 4 1, 417151-417157 April (2003).

 

“Wide-angle achromatic prism beam steering for infrared countermeasure applications,” B. Duncan, P. Bos, V. Sergan, Optical Engineering, 42, 4, 1038-1047 April (2003).

 

“A defect free bistable C1 SSFLC device,” C. Wang, P. Bos, J. of Information Display, 4, 1, 1 (2003).

 

“Synthesis of a color image display using birefringent filters,” S. Saeed, P. Bos, Optical Engineering, 41, 1, 167-175 (2002).

 

“Viewing angle performance of a polarization interference filter based passive matrix display,” S. Saeed, P. Bos, Jap. J. Appl. Phys., Part 1: Regular Papers and Short Notes and Review Papers, 41, 4, 2040-2045 (2002).

 

“Long term bistable twisted nematic liquid crystal display and its computer simulations,” B. Wang, J. Anderson, C. Hoke, D. Chung, P.  Bos,  Jap. J. Appl. Phys., Part 1: Regular Papers and Short Notes and Review Papers, 41, 5 A, 2939-2943 (2002).

 

Fast Q-tensor method for modeling liquid crystal director configurations with defects,” G. Lee, J. Anderson, P. Bos, Appl. Phys. Lett. 81, 21, 3951-3953, November (2002).

 

“Influence of the polymer network on the switching behaviors in the polymer stabilized ferroelectric liquid crystals,” J. Pirs,  P. Bos, R. Petkovsek, S. Kralj,  S. Pirs,  S. Zumer, T. MatuszczykJap. J. Appl. Phys., Part 1: Regular Papers and Short Notes and Review Papers, 41, 10, 6011-6015, October (2002).

 

“Multispectrum, spatially addressable polarization interference filter,” S. Saeed, P. Bos, Journal of the Optical Society of America A: Optics and Image Science, and Vision, 19, 11,  2301-2312, November (2002).

 

“Lowest energy layer structure for twist states SSFLC device,” C. Wang, S. Kumar, M. Wand, P. Bos, Ferroelectrics 278, 79 (2002).

 

“Asymmetric transmissive behavior of liquid crystal diffraction gratings,” C. Titus, J. Kelly, E. Gartland, S. Shiyanovskii, J. Anderson, P. Bos, Optics Letters, Vol 26,  1188 (2001).

 

 “Design optimized bistable twisted nematic liquid crystal display,” B. Wang, P. Bos, J. Appl. Phys. 90, 552-555 (2001).

 

"How to achieve zigzag free Sm-C* state with a low pretilt angle:  A numerical calculation," C. Wang, R. Kurihara, P. Bos, S. Kobayashi, J. Appl. Phys. 90, 4452-4455 (2001).

 

"Computer simulation of the homeotropic to focal conic transition in cholesterics," J. Anderson, P. Watson, T. Ernst, P. Bos,  Mol. Cryst. Liq. Cryst. 366, 909-918 (2001).

 

“A method of generating full color in a liquid crystal display using birefringent filters,” S. Saeed,  P. Bos, Z. Li, Jpn. J. Appl. Phys. 40, 3266-3271 (2001).

 

“Computer simulation of the homeotropic to planar transition in cholesteric liquid crystals,” P. Watson, J. Anderson, V. Sergan, P. Bos, Liquid Crystals 28, 1-15 (2001).

 

“Comparisons of the vector method and tensor method for simulating liquid crystal devices,” J. Anderson, P. Watson, P. Bos, Liquid Crystals 28, 109-115 (2001).

 

“Study of relaxation in cholesteric liquid crystals after reduction of an electric field,” J. Anderson, P. Watson, P. Bos, Liquid Crystals 28, 945-968 (2001).

 

“Twist-energy-driven Helfrich modulations in cholesteric liquid crystals illustrated in the transient planar to planar transition,” P. Watson, J. Anderson, P. Bos, Phys. Rev. E (Part B), 62, 3719-3723 (2000).

 

“Multidimensional alignment structure for the liquid crystal director field,” C. Hoke, P. Bos, J. Appl. Phys. 88, 2302-2304 (2000).

 

“Methods and concerns of compensating in-plane switching liquid crystal displays,” J. Anderson, P. Bos, Jpn. J. Appl. Phys. 39, 6388-6392 (2000).

 

“Polarized infrared study of a polymer network deformation in a nematic liquid crystal host,” C.  Hoke, J.  Li, Y.  Lin, L. Chien, P. Bos, S. Hudson, J. Koenig, Liq. Cryst., 27, 359-363, March (2000).

 

“Computer simulation evidence of the transient planar state during the homeotropic to focal conic transition in cholesteric liquid crystals,” J. Anderson, P. Watson, T. Ernst, P. Bos, Phys. Rev. E, 2000 3951-3960, April (2000).

 

“Mechanism of relaxation from electric field induced homeotropic to planar texture in cholesteric liquid crystals,” V. Sergan, Y. Reznikov, J. Anderson, P. Watson, J. Ruth, P. Bos, Mol. Cryst. Liq. Cryst., 330, 1339 (1999).

 

“The transition mechanism of the transient planar to planar director configuration change in cholesteric liquid crystal displays,” P. Watson, J. Anderson, V. Sergan, P. Bos, Liq. Cryst., 26, 1307-1314, September (1999).

 

“Modulated structures with electric field controlled direction and periodicity in SmC* liquid crystals,” D. Subacius, D. Voloschenko, P. Bos, O. Lavrentovich, Liq. Cryst. 26, 295-298 (1999).

 

"Optical compensation of liquid crystal materials using negative birefringence compensation films," C. Hoke, H. Mori, P. Bos, Jpn. J. Appl. Phys. 38, L642-L645 (1999).

 

"Optical performance of the pi cell compensated with a negative birefringence films and an a-plate," H. Mori, P. Bos, Jpn. J. Appl. Phys. 38, 2837-2844 (1999).

 

"Characteristic times in the homeotropic to planar transition in cholesteric liquid crystals," P. Watson, V. Sergan, J. Anderson, J. Ruth, P. Bos, Liq. Cryst. 26, 731-736 (1999).

 

"Comparison of analytical calculations to finite-difference time-domain simulations of one-dimensional spatially varying anisotropic liquid crystal structures," C. Titus, P. Bos, J. Kelly, E. Gartland, Jr., Jpn. J. Appl. Phys. 38, 1488-1494 (1999).

 

"Multidimensional director modeling using the Q tensor representation," H. Mori, E. Gartland, Jr., J. Kelly, P. Bos, Jpn. J Appl. Phys. 38, 135-146 (1999).

 

"Possibility of stereoscopic displays by using a viewing angle dependence of twisted nematic liquid crystal cells," H. Okada, J. Chen, P. Bos, IEEE Trans. On Electron Devices 48, 1445-1452 (1998)

 

“Patterned alignment, liquid crystal diffractive spatial light modulators & devices, C. Holton, P. Bos, M. Miller, W. Glenn, Proc. SPIE, 3292 (1998).

 

“In-plane liquid crystal beam steering devices with a beam separation structure,” H. Okada, P. Bos, H. Onnagawa, Jpn. J. Appl. Phys. 37, 2576-2580 (1998).

 

“Effect  of surface topography on defect formation in surface stabilized ferroelectric devices,” P. Watson, P. Bos, J. Pirs, Phys.Rev. E. 56, R3769-R3771 (1997).

                                           

“Efficient, polarization-independent, reflective liquid crystal phase grating,” C. Titus, P. Bos, Appl. Phys. Lett. 71, 2239-2241 (1997).

 

“Cholesteric gratings with field-controlled period,” D. Subacius, S. Shiyanovskii, P. Bos, O. Lavrentovich, Appl. Phys. Lett. 71, 3323-3325 (1997).

 

“A simple multi-mode stereoscopic liquid crystal display,” J. Chen, K. Kim, N. Kim, J. Souk, P. Bos, S. Shin, Jpn. J. Appl. Phys. 36, L1685-L1688 (1997).

 

“Switchable diffractive cholesteric gratings,” D.Subacius, P. Bos, O. Lavrentovich, Appl. Phys. Lett, 71, 1350-1372 (1997).

 

“The effect of material parameters on the hysteresis of bistable STN displays,” J. Li, C. Hoke, P. Bos,  Mol. Cryst. Liq. Cryst. 304, 113 (1997).

 

“The investigation of domain instability in the four domain twisted nematic configurations.”  J. Chen, J. Li, C. Hoke, D. Johnson, P. Bos, Mol.Cryst.Liq.Cryst. 302, 151 (1997).

 

“The effect of polymer networks on the electro-distortional characteristics of nematic liquid crystals,” J. Li, J. Anderson, C. Hoke, T. Nose, P. Bos, Mol.Cryst.Liq.Cryst. 301, 261 (1997).

 

“Effect of low polymer content in a liquid crystal microlens,”  T. Nose, S. Masuda, S. Sato, J. Li, L-C Chien,  P. Bos, Optics Letters 22, 351 (1997).

 

“High efficiency light valve projectors and high efficiency laser light sources,” W. Glenn, C. Holton, G. Dixon, P. Bos, SMPTE Journal 106, 4, 210 (1997).

 

“The high-field cured polymer networks in nematic liquid crystals,” J. Li, J. Anderson, C. Hoke, T. Nose, P. Bos, Jpn. J. Appl. Phys. 35, L1342 (1996).

 

“High-speed addressing of a 0-360 bistable twisted nematic liquid crystal display,” C. Hoke, J. Li, J. Kelly, P.  Bos, Jpn. J. Appl. Phys. 36, L227 (1996).

 

“Super-twisted nematic LCDs with multi-domain structures,”  J. Li, E. Lee, H. Vithana, P. Bos, Jpn. J. Appl. Phys. 35, L1446 (1996).

 

“Four-domain twisted nematic liquid crystal display fabricated by reverse rubbing polyimide process,” J. Chen, P. Bos, D. Johnson, D. Bryant, S. Jamal, J. Kelly, J. Appl. Phys. 80, 4, 1985 (1996).

 

“A model of liquid crystal alignment by exposure to linearly polarized ultraviolet light,” J. Chen, D. Johnson, P. Bos, X. Wang, J. West, Phys. Rev. E., 54, 2, 599 (1996).

 

“Polymer stabilized STN devices,” D. Fredley, J. Li, B. Quinn, P. Bos, J. of SID, 4, No. 2, 89 (1996).

 

“Radially and azimuthally oriented liquid crystal alignment patterns fabricated by linearly polarized ultraviolet exposure process,” J. Chen, P. Bos, S. Sprunt, D. Johnson, Appl. Phys. Lett. 68, 885 (1996).

 

“Optimization of luminance for optical-mode-interference (OMI) displays,” J. Li, J. Kelly, C. Hoke, P. Bos, J. of SID, 4, 2, 95 (1996).

 

“Studies of bistability of highly twisted nematics,” J. Li, C. Hoke, P. Bos, Jpn. J. Appl. Phys. 35, L706 (1996).

 

          “Nearly homeotropic aligned four-domain liquid crystal display with wide viewing angle,”   H. Vithana,  D. Johnson, P. Bos, R. Herke, Y. Fung, S. Jamal,  Jpn. J. Appl. Phys. 35, 2222 (1996).

 

          “Controlled tilted homeotropic alignment of liquid crytals for display applications,” H. Vithana,  D. Johnson, P. Bos,  Jpn. J.  Appl. Phys. 35, L320, (1996).

 

            “Four domain twisted nematic liquid crystal display fabricated by two alignment layers with low and high pretilt angles,” J. Chen, P. Bos, D. Johnson, J. Kelly, N. Kim, J. Crow, Jpn J. Appl. Phys. Part 2, Letters, 35, 5A, L558 (1996).

 

“An optically active diffractive (OAD) device for a high efficiency diffractive light valve,” P. Bos, J. Chen, J. Doane, B. Smith, C. Holton, W. Glenn, J. of SID, 3/4, 195, (1995).

 

            “Simple four-domain twisted nematic liquid crystal display,”  J. Chen,  P. Bos, D. Bryant, D. Johnson, S. Jamal, J. Kelly, Appl. Phys Lett. 67 (14) 2, 990, October (1995). 

 

            “An electro-optically controlled liquid crystal diffraction grating,” J. Chen, P. Bos, H. Vithana, D. Johnson, Appl. Phys. Lett. 67 (18), 2588, 1995 (R).

 

            “Contrast and color uniformity optimization of an LCD pi cell pixel,” M. Flynn, P. Bos, Mol. Cryst. Liq. Cryst. 263, 377-387 (1995).

 

            “Dynamic drive for bistable reflective cholesteric displays: a rapid addressing scheme,” X. Huang, D. Yang, P. Bos, J. Doane. (R), J. of the SID, 3/4, 165 (1995).

 

            “Time sequential stereoscopic displays: the contribution of phosphor persistence to the "Ghost" image intensity,” P. Bos, The Journal of Three Dimensional Images Vol 8, No 1, 69-72 (1994).

 

            “Field-sequential stereoscopic viewing systems using passive glasses,” P. Bos, T. Haven (J) Proc. of SID 30/1, 39 (1989). 

 

            “A method for director alignment of SmC* devices,” P. Bos, K. Koehler/Beran (R) Ferroelectrics, 85, 15 (1988).

           

            “A full-color field sequential color display,” P. Bos, T. Buzak,  R. Vatne (J) Proc. of the SID, 26, 157 (1985).

 

            “The -cell , a fast liquid-crystal optical switching device,”  P. Bos, K. Koehler/Beran (R),  Mol. Cyst. Liq. Cryst.  113329  (1984).

 

            “New LC/CRT field sequential color display,”  R. Vatne,  P. Johnson, P. Bos,  Proc. SID 25, 31 (1984)

 

            “Optical bounce removal and turn-off time reduction in twisted nematic displays,” R. Hubbard, P. Bos (R),  IEEE ED-28, 6, 723  (1981).

 

            “Removal of the optical bounce and turn-off time reduction in twisted nematic displays,” R.  Hubbard, P. Bos, Proc. of the SID 22, 4, 297 (1981).

 

            “Direct NMR observation of rotational freeze-out in the smectic-c phase,” D. Photinos, P. Bos, M. Neubert,  J. Doane. (R) Phys. Rev. A 23 6, 3346 (1981).

 

            “Liquid crystals as observed by NMR,” J. Doane, P. Bos, N. Vaz, A. Shetty. (R), Ferroelectrics, 24, 203 (1980).

 

            “Molecular and relative segmental order in nematic and smectic C phases: a nuclear magnetic resonance study,” P. Bos, A. Shetty, J. Doane,  M. Neubert. (R), J. Chem Phys. 73(2), 733 (1980).

 

            “NMR measurement of biaxial molecular order in the smectic-c phase,” D. Photinos, P.  Bos, J. Doane, M.  Neubert. (R), Phys. Rev. A 20(5), 2203 (1979).

 

            “NMR in spinning samples of biaxial liquid crystals,” P. Collings, D. Photinos, P. Bos, P. Ukleja,  J. Doane. (R) Phys. Rev. Lett. B42(15), 996 (1979).

 

            “Molecular order versus conformational change in the liquid crystal phases,” P. Bos, J. Doane, (R) Phys. Rev. Lett.  40 (15), 1030 (1978).

 

            “Molecular orientational order and nmr in the uniaxial and biaxial phases,” P.  Bos, J. Pirs, P. Ukleja, J.  Doane, M.  Neubert (R), Mol. Cryst. Liq. Cryst. 40, 59 (1977).

 

 

 

 

 

 

Invited Talks and lectures ( partial list of only most recent)

 

A Simple Method to Reduce Accommodation  Fatique in Virtual Reality and Augmented Reality Displays”;  INVITED PAPER Bos, P.J.; Li,L.; Bryant.D.; Jamali, A.; Bhowmik, A.;  Society for Information Display Annual Symposium , May 22-27, 2016, San Francisco, CA.

 

Azo Dye Photoalignment Layers for Liquid Crystals Using a Thin Surface-Localized Polymer-Stabilization Layer”    1rst International Conference on Photoalignment and Photopatterning in Soft Materials 29Nov – 2 Dec 2014, Hong Kong

 

Liquid Crystal Lenses for 3D Displays”  Bay Area Chapter of the Society for Information display ;  Jan 15, 2014

 

“Liquid Crystal technology for 3D displays”; P.Bos; H.Cheng; Y. Zhang, A. Bhowmik;     2013 International Symposium for Information Display, Vancouver, Canada;  May 22 2013

 

“Liquid Crystal Based Optical Wavefront Control”,  Liquid Crystals for Phontonics, Hong Kong University of Science and Technology, Hong Kong,  12-9-10

 

Alignment of SmC* Liquid Crystals for Device Applications”  Ben Sturgeon Lecture, The 25th British Liquid Crystal Society Annual Conference,  Nottingham University,  18-20 April, 2011

 

 

 

 

 

 

 

 

Conference Articles:

 

 


“A non-mechanical zoom lens fabricated from liquid crystal reactive mesogens”  Gao, Kun; Bhowmik, Achintya; McGinty, Colin; et al. Edited by: Khoo, IC

Conference: Conference on Liquid Crystals XX Location: San Diego, CA Date: AUG 28-30, 2016  Sponsor(s): SPIE LIQUID CRYSTALS XX   Book Series: Proceedings of SPIE   Volume: 9940     Article Number: UNSP 99400X   Published: 2016

 


“Liquid Crystal Uncooled Thermal Imager Development”  Clark, H. R., Jr.; Bozler, C. O.; Berry, S. R.; et al  Edited by: LeVan, PD; Sood, AK; Wijewarnasuriya, P; et al.

Conference: Conference on Infrared Sensors, Devices, and Applications VI Location: San Diego, CA Date: AUG 31-SEP 01, 2016 
Sponsor(s): SPIE INFRARED SENSORS, DEVICES, AND APPLICATIONS VI   Book Series: Proceedings of SPIE   Volume: 9974     Article Number: UNSP 99740E   Published: 2016

 

“A Simple Method to Reduce Accommodation  Fatique in Virtual Reality and Augmented Reality Displays”;  INVITED PAPER Bos, P.J.; Li,L.; Bryant.D.; Jamali, A.; Bhowmik, A.;

Conference Digest of the Society for Information Display Annual Symposium , p 354 ( 2016)

 

“ Ultra-Compact Non-Mechanica Zoom Lens for Enhanced Machine Vision and Computer Input Applications” K. Gao, H-H Cheng, A. Bhowmik, C.McGinty, P.Bos Conference Digest of the Society for Information Display Annual Symposium , p 911 ( 2015)

 

“Reactive Mesogen Stabilized Azodye Alignment for High Contrast Displays”V. Finnemeyer, D. Bryant, P.Bos.  Conference Digest of the Society for Information Display Annual Symposium , p 991 ( 2015)

 

 “ Maximization of Electro-Optical Performances in the Fringe-Field Swtiching Liquid Crystal Mode using a Liquid Crystal with Negative Dielectric Anisotropy”J-H Kim, K-H Kim, H-S Choi, J-H Jung, B-H Lee, Y. Kwon, G. Murali, Y-J Lim, S-H Lee, P.J. Bos Conference Digest of the Society for Information Display Annual Symposium , p 1570 ( 2015)

 

“Large angle Image Steering Using a Liquid Crystal Device” H-H Cheng, A. Bhowmik,P.Bos   Conference Digest of the Society for Information Display Annual Symposium , p 739 ( 2014)

 

“Dual pi-cell Fast Response LC Display”  Cheng,H; Bhowmik,A.; Bos, P.;  SID Symposium Digest of Technical Papers ISSN 2154-6738  p439    Vancouver, Canada; May 21-24 2013

 

Lu Lu,, Vassili Sergan, Tony Van Heugten, Dwight Duston, Achintya Bhowmik, Philip Bos  "Tunable Polymer Localized Liquid Crystal Lenses for Autostereoscopic 3D Displays”, SID International Symposium , Boston, MA,  June 6, 2012

 

Liwei Li, Doug Bryant, Tony Van Heugten, Dwight Duston, Philip J. Bos, “Overview of factors Affecting Lens Performance for 3D Displays”SID International Symposium , Boston, MA,  June 6, 2012

 

Lu Lu, Lei Shi, Phil Bos, Tony Van Heugten, Dwight Duston., "Comparisons between Liquid Crystals Defractive Lens and Diffractive Lens for Optical Correction Application in 3D Displays”, SID Symposium Digest of Technical Papers  Volume 42, Issue 1, pp. 171-174

 

Lu Lu; Lei Shi; Dwight Duston; Tony Van Heugten; Philip J. Bos, "The effect on Strehl ratio from thickness variations in liquid crystal diffractive lenses," Proceedings of SPIE Vol. 7944, 79440Z (2011)

 

L. Shi, L. Li, D. Bryant, D. Duston, and P. J. Bos, "Modeling and Design of a Tunable Refractive Lens Based on Liquid Crystals," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FThU2

 

Liwei Li, Lei Shi, Doug Bryant, Tony Van Heugten, Dwight Duston, Philip J. Bos, 'Modeling and design of a tunable refractive lens based on liquid crystals'  in Proceedings of the SPIE, Volume 7944, pp. 79440S-79440S-8 (2011).Optoelectronic Interconnects and Component Integration XI. Edited by Glebov, Alexei L.; Chen, Ray T.

 

Liwei Li, Lei Shi, Doug Bryant, Tony Van Heugten, Dwight Duston, Philip J. Bos, 'Design and modeling of a refractive liquid crystal lens for tunable optical correction in 3-D stereoscopic displays',  SID Symposium Digest of Technical Papers  Volume 42, Issue 1, pp.9-12

Lu Lu,, Vassili Sergan, Tony Van Heugten, Dwight Duston, Achintya Bhowmik, Philip Bos  "Tunable Polymer Localized Liquid Crystal Lenses for Autostereoscopic 3D Displays”, SID Symposium Digest of Technical Papers  Volume 43, Issue 1, pp. 383

 

Liwei Li, Doug Bryant, Tony Van Heugten, Dwight Duston, Philip J. Bos, “Overview of factors Affecting Lens Performance for 3D Displays”   SID Symposium Digest of Technical Papers  Volume 43, Issue 1, pp.379

 

Lu, Lu;  Alagh, Aman;  Bos, Philip. J. “LCD failure evaluation methods and application to effect of dc drive”   LIQUID CRYSTALS XV Book Series: Proceedings of SPIE Volume: 8114 Article Number: 811416 DOI: 10.1117/12.893608 Published: 2011

 

“5° SiOx Deposition Alignment: A Possible Solution for Low-Power LCDs Using Low-Frequency Applied Voltage Waveforms”   Y Huang. Philip Bos, Achintya Bhowmik,;  Society for Information Display 2010 International Symposium, Digest of Technical Papers, XXXXI, p 587,

 

“The Use of Fluorinated Alignment Layer to Reduce Image Retention in Liquid Crystal Displays” Lu,Lu; Ke Zhang; Robert Twieg; Philip Bos;  Brian Auman; Achintya Bhowmik;  Society for Information Display 2010 International Symposium, Digest of Technical Papers, XXXXI, p 583,

 

 

 

“Stabilization of the Symmetric Splay State and Warm up Time Reduction in Pi-Cell Devices” B.Wang, Y. Zhang, Y-K Jang, P.J.Bos   Conference Record of the 28th International Display Research Conference p119 ( 2008)

 

”Liquid Crystal Etalon Device for Reflective Displays” Mike Dorjgotov, Philip Bos,  Society for Information Display 2008 International Symposium, Digest of Technical Papers, XXXIX, p568-571

“ Mono domain alignment of the SmC liquid crystalline phase for analog display applications” Mitya Reznikov, Bentley Wall, Mark Handschy, Philip Bos, Society for Information Display 2008 International Symposium, Digest of Technical Papers, XXXIX, p 1811-1814,

“Dynamic simulation of Pi-cell liquid crystal displays with transverse field” Yi Huang, K.H. Kim, J.K Jang, H.S Kim and Philip Bos,  , Society for Information Display 2008 International Symposium, Digest of Technical Papers, XXXIX, p1865-1869,

 

“Effect of the surface alignment layer on analog switching of ferroelectric liquid crystals” Michael O'Callaghan, Mitya Reznikov, Philip J. Bos, , Society for Information Display 2007 International Symposium, Digest of Technical Papers, XXXVIII, 629-32 Long Beach, CA, May 22, 2007.

“Multireflection effects of the compensated black states in liquid crystal displays” Yong-Kyu Jang, Philip Bos, , Society for Information Display 2007 International Symposium, Digest of Technical Papers, XXXVIII, 760-63, Long Beach, CA, May 22, 2007.

“Analyses of the white state viewing angle properties in liquid crystal displays” Yong-Kyu Jang, Philip Bos, , Society for Information Display 2007 International Symposium, Digest of Technical Papers, XXXVIII, 1179-82, Long Beach, CA, May 22, 2007.

“Liquid-crystal etalon device for high-efficiency field-sequential display”Enkh-Amgalan Dorjgotov, Philip Bos, , Society for Information Display 2007 International Symposium, Digest of Technical Papers, XXXVIII, 1745-48, Long Beach, CA, May 22, 2007.

“ Evaluation of a high-throughput liquid crystal tunable filter for Raman chemical imaging of threat matererials”  Xinghua Wang, Thomas Voigt, Philip Bos, Matthew Nelson, Patrick Treado, SPIE Proceedings Volume 6378 of Conference on Chemical and Biological Sensors for Industrial and Environmental Monitoring II, October 25, 2006.

 

“Improved Vertical Alignment of Liquid Crystals with a Large Negative Dielectrtic Anisotropy,”Cheng C., Bos, P.J., Anderson, J.E., Distinguished Student Paper: SID Intl. Symp. Digest of Tech Papers, XXXVII, Book II, 1439. (2006).

 

Liquid crystal designs for high-contrast field sequential color liquid crystal on silicon (LCoS) microdisplays,” Anderson, J., Cheng, C., Bos, P. J., (invited paper), SPIE. 5741, No. 1, 23-30, (2005).

 

“Two-dimensional dynamic modeling of splay to bend transition in pi cell or BTN device at high voltage,” Y. Zhang, B. Wang, D. Chung, J. Colegrove, P. Bos,  SID Intl. Symp. Digest Tech Papers XXXVI, 1782 (2005).

 

“Fast VAN LCoS Microdisplay,” J. Anderson, C. Cheng, P. Bos, SID Intl. Symp. Digest Tech Papers XXXVI, 1366 (2005).

 

“Reflective Polarization Independent LC Phase Modulator with Polymer Wall,” Y. Zhang, B. Wang, D. Chung, J. Colegrove, P. Bos, SID Intl. Symp. Digest Tech Papers XXXVI, 1178 (2005).

 

“Modeling of optical aberration correction using a liquid crystal device” X. Wang, B. Wang, P.F. McManamon et el.;  Advanced Wavefront Control: Methods, Devices and Applications III   (Vol 5894)  August 2005

 

“Switchable optical phased prism arrays for beam steering,” J. Shi, P. Bos,  B. Winker, P. McManamon, SPIE 5553, No. 1, 102-111 (2004).

 

“Spatial resolution limitation of liquid crystal spatial light modulator,” X. Wang, B. Wang,  P. McManamon, III, J. Pouch,  F. Miranda,  J. Anderson, P. Bos,  Advanced Wavefront Control: Methods, Devices and Applications II, 2-3 (2004).

 

“Holographic three-dimensional displays with liquid crystal on silicon spatial light modulator,” A. Michalkiewicz, M. Kujawinska, T. Kozacki, X. Wang, P. Bos, SPIE 5531, No. 1, 85-94, (2004).

 

“2-D liquid crystal optical, phased array,” X. Wang,  B. Wang, P. Bos, J. Anderson, P. McManamon, 2004 IEEE Aerospace Conference Proceedings, Vol. 12, 6-13, (2004).

 

“Active microinterferometer with liquid crystal on silicon (LCOS) for extended range static and dynamic micromembrane measurement,” J. Kacperski, M. Kujawinska, X. Wang, P. Bos, SPIE 5532, No. 1, 37-43 (2004).

 

“Laser beam steering/shaping with LCoS 2-D OPA for free space optical communication,” X. Wang, B. Wang, P. McManamon, J. Pouch, F. Miranda, J. Anderson, P. Bos, SPIE 5403, No. 1, 782-791 (2004).

 

“The Effect of Layer Spacing Changes in the SmA Phase on Defects Observed in SSFLC Devices,”  C. Wang., P. Bos, S. Kumar, M. Wand, M. Handschy, SID Asia Display/IMID’04 Digest Tech. Papers, 193 (2004).

 

“Study of switchable liquid crystal polymer grating by finite-different  time-domain calculation,” B. Wang, X. Wang, P. Bos,  SPIE Proc.,  5213 104-110 (2004).

 

“The geometrical optics approach in liquid crystal cells with two- and three-dimensional director variations,” G. Panasyuk, J. Kelly, P. Bos, E. Gartland, D. Allender, SPIE  Proc.,  5289, 119-131 (2004).

 

“Limitation of liquid crystal on silicon spatial light modulator for holographic three-dimensional displays,” X. Wang, B. Wang, P. Bos, J. Anderson, M. Kujawinska, J. Pouch, F. Miranda, SID International Symposium Digest of Technical Papers, XXXV, Book II, 1522-1525, May (2004).

 

“Control of wavelength dispersion in form birefringent retarders for liquid crystal displays,” E. Montbach, P. Bos, SID International Symposium Digest of Technical Papers,  XXXV, Book II, 1312-1315, May (2004).

 

“Poincare sphere analysis of LCOS E-O effects,” D. Chung, A. Grunnet-Jepsen, SID International Symposium Digest of Technical Papers, XXXV, Book II, 994-997 May (2004).

 

“Liquid crystal on silicon (lcos) wavefront corrector and beam steerer,” X.  Wang,  B. Wang, J. Pouch, F. Miranda, M. Fisch, J. Anderson, V. Sergan, P. Bos, SPIE Proc 5162 139-146 (2003).

 

“Eliminating layer undulation textures in SSFLC devices,” C. Wang, P. Bos, S. Kumar, M.Wand, M. Handschy, SID Intnl. Digest of Tech. Papers 34, 608-611 (2003).

 

“Design of  switchable grating for color control element”  B. Wang, P. Bos, SID Intnl. Digest of Tech. Papers 34, 700-703 (2003).

 

“2-D modeling of the effect of electrode topography and interpixel gap on LCOS devices,” Y. Zhang, P. Bos, D. Chung, SID Intnl. Digest of Tech. Papers 34, 1382 (2003).

 

“Warm-up of a pi-cell liquid crystal device,” G. Lee,  P. Bos, S. Ahn, K-J Lee, Proceedings of the 1rst International Meeting of Information Display, Daegu Korea, 1096 (2003) (Invited).

 

“Diffraction efficiency of thin film holographic beam steering devices, C. Titus, J. Pouch, H. Nguyen, F. Miranda, P. Bos,  Proc. SPIE, 4825, 177-188 (2002).

 

“LCD optical light shutters for eye protection devices,” J. Pirs,  S. Pirs, R. Petkovsek, M. Bazec, P. Bos,  SID Conference Record of the International Display Research Conference, 589-593 (2002).

 

“Wide angle beam steering for infrared countermeasures applications,” J. Gibson, B.  Duncan, P. Bos, V. Sergan,  Proc. SPIE, 4723, 100-111 (2002). 

 

“A defect free bistable C1 SSFLC display,” C. Wang, P. Bos, M. Wand, M. Handschy, SID Intnl. Digest Tech. Papers 33, 514-517 (2002).

 

 “Modeling method for a single polarizer reflective STN-LCDs containing either a mirror or holographic slanted reflector,” E. Montbach, P. Bos, SID Intnl. Digest Tech. Papers 33, 874-877 (2002).

                                             

 “A new type of liquid crystal diffractive light valve with very small pixel size,” B. Wang, P. Bos, D. Chung, SID Intnl. Digest Tech. Papers 33, 972-965 (2002).

 

“Modeling volume holograms using berreman 4*4 method,” E. Bramley, P. Bos, Proc. SPIE 4296, 282-291 (2001).

 

“Director field transitions in bistable twisted nematic devices,”  B. Wang, J. Anderson, C. Hoke, P. Bos, IMID ’01 Digest, 54-57 (2001).

 

“Holographic color filters for reflective LCDs,” W. Gambogi, T. Felder, S. Mackara, P. Bos, D. Bryant, E. Bramley, Proc. SPIE 4 (2001).

 

 “Considerations of the d/p Ratio in the design of a bistable twist nematic display,” B. Wang P. Bos, SID Intl. Digest Tech. Papers 32, 232-235 (2001).

 

“Numerical calculation using low azimuthal anchoring to achieve zigzag free SmC* state with a low pretilt angle,” C. Wang, R. Kurihara, P. Bos, S. Kobayashi, SID Intl. Digest Tech. Papers 32, 834-837 (2001).

 

“Optimization of reflective liquid crystal display with a holographic slanted reflector using the berreman 4´4 method,” E. Bramley, P. Bos, SID Intl. Digest Tech. Papers 32, 878-881 (2001).

 

“A color high brightness passive matrix display,” S. Saeed, P. Bos, Z. Li, SID Intl. Digest Tech. Papers 32, 1062-1065 (2001).

 

“Cholesteric color filter with polymer walls,” A. Tereshchenko, Y. Reznikov, A. Buluy, P. Bos, V. Sergan, Proc. 10th Intl. Display Research Conference,  249-252 (2000).

 

"A method of generating full color LCD using birefringent filters in a stacked design," S. Saeed, P. Bos, Z. Li, SID Digest XXXI,  830-833 (2000).

 

"Two crossed A-plates as an alternative to a negative C-plate," V. Sergan, P. Bos, G. Sharp, SID Digest XXXI, 838-841 (2000).

 

"Significant speed and stability increases in multi-dimensional director simulations," J. Anderson, C. Titus, P. Watson, P. Bos, SID Digest XXXI, 906-909 (2000).

 

"Lyotropic thin film polarizers," Y. Bobrov, C. Cobb, P. Lazarev, P. Bos, D. Bryant, H.Wonderly, SID Digest XXXI, 1102-1105 (2000).

 

"Status and trends in nematic bistable liquid crystal displays," P. Bos, P. Watson, J. Anderson, V. Sergan, C. Hoke, Proceedings of The 19th International Display Research Conference,  397 (1999). Invited

 

"Effects of pretilt angle on electro-optical properties of Pi-cell LCDs," X.-D. Mi, M. Xu, D.-K. Yang, P. Bos, SID Digest XXX, 24-27 (1999).

 

"Shortcomings of the Q tensor method for modeling liquid-crystal devices," J. Anderson, P. Watson, P. Bos, SID Digest XXX, 198-201 (1999).

 

"Two-dimensional optical simulation tool for use in microdisplay analysis," C. Titus, P. Bos, J. Kelly, SID Digest XXX, 624-627 (1999).

 

"Three-dimensional modeling of ridge-fringe-field LCDs," J. Anderson, P. Bos, C. Cai, A. Lien, SID Digest XXX, 628-631 (1999).

 

"The investigation of undertwist defect near the threshold in STN-LCDs," S. Li, P. Bos, SID Digest XXX, 640-643 (1999).

 

"Optimization of bend cells for field-sequential-color microdisplay applications," P. Watson, P. Bos, J. Gandhi, Y. Ji, M. Stefanov, SID Digest XXX, 994-997 (1999).

 

"Long time scale relaxation of the homeotropic to planar transition of short pitch cholesteric materials," P. Watson, V. Sergan, J. Anderson, J. Ruth, P. Bos, Proc. of the 18th International Display Research Conference,  291-294 (1998). Invited

 

"Reflective CMOS liquid crystal display design considerations," Y. Ji, M. Stefanov, W. Folks, P. Bos, Proc. of the 18th International Display Research Conference, 419-422 (1998).

 

"Amorphous silicon thin-film transistor active-matrix reflective cholesteric liquid crystal display," J. Nahm, T. Goda, B. Min, T. Chou, J. Kanicki, X. Huang, N. Miller, V. Sergan, P. Bos, J. Doane, Proc. of the 18th International Display Research Conference,  979-982 (1998).

 

“Cholesteric diffraction devices with a field-controlled grating vector,” S. Shiyanovskii, D. Subacius, D. Voloschenko, P. Bos, O. Lavrentovich, Proc. of the SPIE San Diego CA (1998).

 

"Defects in the p cell with striped electrodes," H. Mori, E. Gartland,  J. Kelly, P. Bos, Proc. 5th Intl. Display Workshop,  77-80 (1998).

 

"Modeling of polymer stabilized liquid crystals," C. Hoke, F. Xu, P. Bos, Proc. 5th Intl. Display Workshop,  101-104 (1998).

 

"A multi-dimensional alignment (MDA) structure and its application for the stabilization of the bistable twist cell," C. Hoke, P. Bos, Proc. 5th Intl. Display Workshop, 201-204 (1998). Invited

 

"Poincare sphere analysis on the optic Proc. Asia Display 98, pp. 419-422 (1998). al behavior of a discotic negative birefreince film," H. Mori, P. Bos, Proc. 5th Intl. Display Workshop,  243-246 (1998).

 

“Very high pretilt alignment and its application in Pi-cell LCDs,” M. Xu, D. Yang, P. Bos, X. Jin, F. Harris, S. Cheng, SID 98 Digest XXIX, 139-142 (1998).

 

“Optimum film compensation modes for TN and VA LCDs,” J. Chen, K. Kim, J. Jyu, J. Souk, J. Kelly, P. Bos, SID 98 Digest XXIX, 315-318 (1998).

 

“A fast frame-rate bistable cholesteric reflective display,” J. Anderson, P. Watson, J. Ruth, V. Sergan, P. Bos, SID 98 Digest XXIX, 806-809 (1998).

 

“Designing concepts of the discotic negative birefringence compensation films,” H. Mori, P. Bos, SID 98 Digest XXIX, 830-833 (1998).

 

“A bistable twist cell exhibiting long-term bistability suitable for page-sized displays,” C. Hoke, P. Bos, SID 98 Digest XXIX, 854-857 (1998).

 

“A study of the dynamics of reflection color, helical axis orientation, and domain size in cholesteric LCDs,” P. Watson, V. Sergan, J. Anderson, J. Ruth, P. Bos, SID 98 Digest XXIX, 905-908 (1998).

 

“Application of a negative birefringence film to various LCD modes,” H. Mori, P. Bos, IDRC, 17 M88 (1997).  Invited

 

“An ultra wide viewing angle STN-LCD with a negative birefringence compensation film,”  C. Hoke, H. Mori, P. Bos, IDRC, 17 21(1997).

 

“Reflective liquid crystal displays,”  J. Ruth, R. Hewitt, P. Bos, Digest of the Flat Panel Display Strategic Forum and Technical Symposium. Invited

 

“The effect of material constants on the long term stability of the bistable twist cell,”  C. Hoke, P. Bos, IDRC 17, 85 (1997).

 

“Electric field effects and defects in layered liquid crystals,” O. Lavrentovich, D. Subacius, P. Bos, S. Shiyanovskii, Proc. Fourth Intl Display Workshop, 29-32 (1997).

 

“Matrix addressing of a 0-360 degree bistable twist cell,”  C. Hoke, J. Kelly, J. Li, P. Bos,  Society for Information Display Digest of Technical Papers 28, 29 (1997).

 

“Brightness optimization of  D-STN LCDs using the traveling wave compensator,”   J. Anderson, J. Li, P. Bos, R. Culter, K. Kongslie, A. Gard, Society for Information Display Digest of Technical Papers 28, 671 (1997).

 

“Effects of surface topography on formation of zig-zag defects in SSFLC devices,”  P. Watson, P. Bos, J. Pirs, Society for Information Display Digest of Technical Papers 28, 743 (1997).

 

“Efficient polarization-independent reflective liquid crystal phase gratings,”  C. Titus, P. Bos, C. Holton, W. Glenn, Society for Information Display Digest of Technical Papers 28, 769 (1997).

 

“Optical simulation of electro-optical performance of low delta-nd mult-domain tn displays,” J. Chen, P. Bos,  J. Kelly, N. Kim, S. Shin, Society for Information Display Digest of Technical Papers 28, 937 (1997).

 

          “A four-domain twisted-nematic display stabilized by polymer networks,” J. Li, J. Chen, P.  Bos, IDRC  16,  460  (1996).

 

“Four-domain TN-LCD fabricated by two alignment layers with low and high pretilt angle,” J. Chen, P. Bos, D. Johnson, J. Kelly, N. Kim, J. Crow, Society for Information Display Digest of Technical Papers 28, 650 (1997).

 

“Confirmation on mechanism of liquid crystal alignment by exposure to linearly polarized ultraviolet light,” J. Chen, D. Johnson, X. Wang, J. L. West, Society for Information Display Digest of Technical Papers 27, 634 (1996).

 

“Characterization of the helical-axes distribution in reflective cholesteric LCDs,”  A. Kahn, X. Huang, S. Stefanov, P. Bos, D. Davis, B. Tahari, J. Ruth, Society for Information Display Digest of Technical Papers 27, 607 (1996).

 

“Polymer walls in higher-polymer-content bistable reflective cholesteric displays,”   Y. Ji, J. Francl, W. Fritz, P. Bos, J. West, Society for Information Display Digest of Technical Papers 27, 611 (1996).

 

“A bistable LCD using polymer stabilization,” J. Li, C. Hoke, D. Fredley, P. Bos, Society for Information Display Digest of Technical Papers 27, 265 (1996).

“Polymer stabilized ‘Up-Down’ bistable devices, J. Li, C. Hoke, P. Bos, IDRC 16, p--- (1996) Invited

 

“Optimization of OMI displays using polymer stabilization,” J. Li, J. Kelly, C. Hoke, P. Bos, IDRC 15, 252(1995).

           

            “An optically active diffractive device for a high-efficiency light valve,”  P. Bos, J. Chen, J. W. Doane, B. Smith, C. Holton, W. Glenn. (J) Society for Information Display Digest of Technical Papers, 26, 601 (1995).

 

            “A well controlled tilted homeotropic alignment method and a vertically aligned four domain LCD fabricated by this technique,” H. Vithana, Y. Fung, S. Jamal, R. Herke, P. Bos, D. Johnson. (J) Society for Information Display Digest of Technical Papers, 26, 873 (1995).

           

            “Four domain TN-LCD fabricated by reverse rubbing or double evaporation,” J. Chen, P. Bos, D. Bryant, D. Johnson, S. Jamal, J. Kelly, Society for Information Display Digest of Technical Papers, 26, 865 (1995). (J)

 

            “Viewing angle and color uniformity optimization of the pi cell,” M. Flynn, P. Bos, Society for Information Display Digest of Technical Papers, 26, 801 (1995). (J)

 

            “Wide viewing angle liquid crystal electro-optical effects for AMLCDs,” P. Bos, J. Chen, H. Vithana, D. Johnson, Asia Display, IDW ‘95, Proceedings of the 2nd international display workshops, Vol. 2, AL-7, 27(1995). Invited.

 

            “Investigation of the mechanism of the surface induced alignment of liquid crystals by linearly polymerized photopolymers,” J. Chen, B. Cull, P. Bos, D. Johnson, M. Schadt., Society for Information Display Digest of Technical Papers, 26, 528 (1995). (J)

           

            “Dynamic drive for bistable reflective cholesteric displays: a rapid addressing scheme,” X. Huang, D. Yang, P. Bos, J. Doane, Society for Information Display Digest of Technical Papers,  26, (1995). (J)

 

            “Passive optical phase retarders for liquid crystal displays,” (Invited lecture) P. Bos.,  IDRC 14, 118 (1994). Invited

 

            “Polymer stabilized SBE devices,” D. Fredley, B. Quinn, P. Bos, IDRC 14, 480 (1994). (J)

 

            “A synchronously strobed backlight for improved video-rate STN performance,” K.  Kongslie, R. Culter, P. Bos, SID International Symposium Digest of Technical Papers 25 155 (1994).  (J)

 

            “The traveling wave compensator: a new method for high contrast video-rate passive matrix displays,” R. Culter, K. Kongslie, P. Bos, Society for Information Display Digest of Technical Papers,  25, 159 (1994). (J)

 

            “A low threshold voltage polymer network TN device,” P. Bos, J. Rahman, J. Doane, SID Digest of Technical Papers,  24, 877 (1993). (J)

 

            “An optically "self-compensating" electro-optical effect with wide angle of view,” P. Bos, J.  Rahman, SID Digest of Technical Papers, 24, 273 (1993), (J)

 

            “An enhanced chevron ferroelectric SSFLC display,” P. Bos, IDRC 12,  523 (1992). (J)

           

            “High performance 3D viewing systems using passive glasses,” P. Bos, T. Haven, SID Digest of Technical Papers 450 (1988). (J)

 

            “A unique active contrast-enhancement filter using liquid-crystal pi-cell technology,” K. Koehler/Beran, P. Bos, SID Digest of Technical Papers, 17, 436 (1986). (J)

 

            “A full-color field-sequential color display,” P. Bos, T. Buzak, R.Vatne,  IDRC, 4, 7 (1984).

 

            “Design considerations for the pi-cell, a fast electro-optical switch,” P. Bos, K. Koelher/Beran, P. Johnson, IDRC 3 — (1983). (J)

 

            “A LC/CRT field-sequential color display,” R. Vatne, P. Johnson, P. Bos, Society for Information Display Digest of Technical Papers,  14, 28 (1983). (J)

 

            “A liquid crystal optical switching device ( - cell ),” P. Bos, P. Johnson, R. Kohler/Beran,  Society for Information Display Digest of Technical Papers,  14, 30 (1983).

 

 

 

          Presentations (without published text)

 

Lei Shi, Paul McManamon, Philip Bos, “A Tunable Liquid Crystal Beam Steering Device Based on a Gradient in the Pancharatnam Phase”  Gordon Conference on Liquid Crystals, New London NH , Jun 14-19, 2009

                       

Mitya Reznikov, Bentley Wall, Mark Handschy, Philip Bos “Monodomain alignment of the smectic A phase from the isotropic phase” 2008 International Liquid Crystal Conference, Jeju Korea, June 29-July 4 2008

 

Enkh-Amgalan Dorjgotov, Achintya Bhowmik, Philip Bos “Polarization Independent LC Etalon and Low Power Projection Display”   Gordon Conference on Liquid Crystals, New London, NH, June 14-19, 2009

 

K Zhang,  Na Liu, Robert Twieg, Philip Bos, “Pretilt Study of Novel Double Layer Alignment Films”  2008 International Liquid Crystal Conference, Jeju Korea, June 29-July 4 2008

 

 “Anchoring Transitions of Liquid Crystals  on SiOx,  C.Chen, J. Anderson, P. Bos, Gordon Research Conference on Liquid Crystals Colby-Sawyer College, June 10-17 (2007)

 

“Photo-patterned stressed liquid crystal prisms and lenses” G. Zhang, J. West, K. Zhang, X. Wang, P. Bos, A. Glushchenko, , ILCS Conference, Keystone, Colorado, July 2-7, 2006.

 

“Multi-reflection effects in the black state of a LCD”  Y.K.  Jang, P. Bos, , ILCS Conference, Keystone, Colorado, July 2-7, 2006.

 

“Thermal desorption of the surface monolayer” M. Reznikov, C. Chen, A. Nych, V. Nazarenko. M. O’Callaghan, P. Bos, , ILCS Conference, Keystone, Colorado, July 2-7, 2006.

 

“Method to obtain large negative dielectric anisotropy compatible with  homeotropic alignment” C. Chen, J. Anderson, P. Bos, , ILCS Conference, Keystone, Colorado, July 2-7, 2006.

 

“Two dimensional dynamic modeling of the splay to bend transition” Y. Zhang, B. Wang, D. Chung, J. Colegrove, P. Bos, , ILCS Conference, Keystone, Colorado, July 2-7, 2006.

 

“Electric Field Induced Splay to Bend Transition”  G.D.Lee, P.J. Bos Gordon Research Conference on Liquid Crystals Colby-Sawyer College, June  (2005)

 

“The effect of layer spacing changes in the sma phase on defects observed in SSFLC devices,” C. Wang,  P. Bos,  S. Kumar,  M. Wand,  M. Handschy, SID Asia Display/IMID’04, Daegu, Korea,  August 23-27 (2004).

 

“Spatial resolution limitation of liquid crystal spatial light modulator,”  X. Wang, B. Wang,  P. McManamon,  J. Pouch,  F. Miranda,  J. Anderson,  P. Bos,  SPIE Annual Meeting, Denver Colorado, August 2-4 (2004).

 

“Switchable optical phased prism arrays for beam steering,” J. Shi,  P. Bos,  B. Winker,  P. McManamon, SPIE Annual Meeting,  Denver, Colorado, August 2-4 (2004).

 

“2-D liquid crystal optical phased array,” X. Wang, B. Wang,  P. Bos,  J. Anderson,  P. McManamon,  2004 IEEE Aerospace Conference,  Big Sky, Montana, March 6-13 (2004).

 

“Holographic three-dimensional displays with liquid crystal on silicon spatial light modulator,” A. Michalkiewicz,  M. Kujawinska,  T. Kozacki,  X. Wang,  P. Bos,  SPIE Annual Meeting, Denver, Colorado, August 2-4, (2004).

 

“Active microinterferometer with liquid crystal on silicon (LCOS) for extended range static and dynamic micromembrane measurement,” J. Kacperski,  M. Kujawinska,  X. Wang,  P. Bos,  SPIE Annual Meeting, Denver, Colorado, August 2-4 (2004).

 

“Laser beam steering/shaping with LCoS 2-D OPA for free space optical communication,” X. Wang, B. Wang,  P. McManamon,  J. Pouch,  F. Miranda,  J. Anderson,  P. Bos,  SPIE Conference on Sensors Command, Control, and Intelligence,  Orlando, FL, April 12 (2004).

 

“Reflective polarization independent LC phase modulator with polymer wall,” Y. Zhang,  B. Wang,  D. Chung,  J. Colegrove,  P. Bos, SID Intl. Symp. Digest Tech Papers XXXVI, 1178 (2005).

 

“Fast VAN LCoS microdisplay” J. Anderson, C. Cheng,  P. Bos, SID Intl. Symp., Boston, MA, May 24-26, (2005).

 

“Two-dimensional dynamic modeling of splay to bend transition in pi cell or BTN device at high voltage,” Y. Zhang, B. Wang,  D. Chung,  J. Colegrove,  P. Bos,  SID Intl. Symp., Boston, MA, May 24-26 (2005).

 

“Light propagation in two dimensional liquid crystal devices with periodic structures near the wavelength of light,” B. Wang , P. Bos, 20th International Liquid Crystal Conference Ljubljana, Slovenia, July 4 – 9 (2004).

 

“ A fast Q-tensor method for modeling the dynamics of defects in a liquid crystal director field,” P. Bos, G. Lee, S. Ahn, K. Kim, 20th International Liquid Crystal Conference, Ljubljana, Slovenia, July 4 – 9 (2004).

 

“Temperature dependence of the smectic-a layer spacing and its effect on layer defects in the SmC* phase,”  C.Wang, P. Bos, S. Kumar, M. Wand, M. Handschy, Tohoku University 21st Century COE Program, Sendai, Japan,  Jan 28-30 (2004). Invited

 

“The electric field induced splay to bend transition in a cell with patterned electrodes,” G. Lee, P. Bos, Gordon Research Conference on Liquid Crystals Colby-Sawyer College, June 15-20 (2003).

 

“Fast switching polymer stabilized splay cell (PSSC),” V. Sergan, X. Wang, P. Bos, G. Sharp, 19th International Liquid Crystal Conference, Edinburgh Scotland, June 30-July 5 (2002).

 

“Light propagation in liquid crystalline blazed gratings,” C. Titus, B. Wang, J. Shi, P. Bos, 19th International Liquid Crystal Conference, Edinburgh, Scotland, June 30-July 5 (2002).

 

“Diffraction efficiency of thin film holographic beam steering devices,” C. Titus, J. Pouch, H. Nguyen, F. Miranda, P. Bos, Annual meeting of the International Society for Optical Engineering, Seattle, Washington, July 8-9 (2002).

 

“LCD optical light shutters for eye protection devices,” J. Pirs, S. Pirs, R. Petkovsek, M.  Bazec, P. Bos, 2002 International Display Research Conference, Nice, France, October 1-4 (2002).

 

“Liquid crystal modes for wide viewing angle,” Applications Tutorial, SID, Boston, MA, May 21-23 (2002).

 

“Modeling method for a single polarizer reflective STN-LCDs containing either a mirror or holographic slanted reflector,” SID, Boston, MA, May 21-23 (2002).

 

“A new type of liquid crystal diffractive light valve with a very small pixel size,” SID, Boston, MA, May 21-23 (2002).

 

"Liquid-crystal modes for AMLCDs," P. Bos, SID Applications Seminar, (2000), The Application and Evaluation of Information Displays, (2000). Invited.

 

"Nematic bistable liquid crystal displays," P. Bos, J. Doane, Presented at the Association of Super-Advanced Electronic Technologies International Forum on Low Power Displays Tokyo, Japan, July 21 (2000). Invited.

 

“Applications of liquid crystals” 1.5 day seminar, Kodak Inc., Rochester NY Aug 21-22, 2000.  Invited

 

“Bistable displays” Seminar, Canon Inc.  Atsugi, Japan July 22 (2000). Invited.

 

"Defect free C1 alignment," P. Bos, C. Wang, P. Watson, Liquid Crystal Alignment Workshop, University of Colorado:  Boulder, Colorado (May 22, 2000), Invited.

 

"Fast switching electrically controlled birefringence liquid crystal devices," V. Sergan, P. Bos, G. Sharp, Oral Presentation at the 18th International Liquid Crystal Conference (July 24-28, 2000), Sendai, Japan.

 

"Computer simulation of the homeotropic to focal conic transition in cholesterics," J. Anderson, P. Watson, T. Ernst, P. Bos, presented at the 18th International Liquid Crystal Conference (July 24-28, 2000), Sendai, Japan.

 

"Influence of the polymer network on the switching threshold voltage in the polymer stabilized ferroelectric liquid crystals," J. Pirs, P. Bos, S. Zumer, R. Petkovsek, T. Matuszceyk, presented at the 18th International Liquid Crystal Conference (July 24-28, 2000), Sendai, Japan.

 

"The Helfrich initiated transient planar to equilibrium planar transition in cholesteric liquid crystals," P. Watson, J. Anderson, V. Sergan, P. Bos, Oral Presentation at the 18th International Liquid Crystal Conference (July 24-28, 2000), Sendai, Japan.

 

"Liquid crystal agile beam steering," B. Winker, D. Gu, P. Bos, O. Lavrentovich, M. O'Callaghan, N. Clark, ALCOM Symposium, ALCOM Symposium, Invited Talk.

 

“Efficient, accurate liquid crystal digital light deflector,” C. Titus, P. Bos, O. Lavrentovich, Proc. of SPIE, 3633, 244-253 (1999).

 

"Emerging liquid-crystal technologies," P. Bos, SID Seminar Lecture Notes, Vol. I, Sem. M9 (1999).  Invited.

 

"Nematic LCD modes and applications," P. Bos, SID Applications Seminar, Seminar A-2 (1999).  Invited.

 

“The effect of pretilt and surface topography on defects in SmC* liquid crystal devices”  19 Nov, 1999 Invited Seminar, Science University of Tokyo ( Tokyo campus ) Invited

 

“The bistable twisted nematic device, an alternative to SmC* devices?"  22 Nov. 1999 Invited Seminar, Science University of Tokyo (Yamaguchi campus). Invited

 

"Bistable nematic liquid crystal displays," Invited Seminar, Toyama University:  Toyama, Japan (December, 1998).Invited

 

"Electrically controlled liquid crystalline diffraction gratins," D. Subacius, D. Voloschenko, S. Shiyanovskii, P. Bos, O. Lavrentovich, 17th International Liquid Crystal Conference, Strasbourg, France, July 19-24, 1998.  P2-169.

 

"Mechanism of relaxation from electric field induced homeotropic to planar texture in cholesteric liquid crystals," V. Sergan, J. Anderson, P. Watson, J. Ruth, P. Bos, 17th ILCC.  P4-117.

 

 “Diffractive cholesteric grating,” D. Subacius, P. Bos, O. Lavrentovich, American Physical Society, St. Louis, March 1998.

 

“Patterned alignment, liquid crystal diffractive spatial light modulators & devices,” C. Holton, P. Bos, M. Miller, W. Glenn, SPIE, San Jose CA, Jan. 1998.

 

            “Diffractive cholesteric gratings,”  D. Subacius, P. Bos, O. Lavrentovich, APS March Meeting Abstracts, 598 code N7-10.

           

“The effect of polymer networks on the electro-distortional characteristics of nematic liquid crystals,” J. Li, J. Anderson, C. Hoke, T. Nose, P. Bos, 16th ILCC, C1P52(1996).

 

“The effect of material parameters on the hysteresis of bistable STN displays,” J. Li, C. Hoke, P. Bos, 16th ILCC, B1P54(1996).

 

            “Twisted Nematic Displays,” P. Bos, Liquid Crystal Applications Short-Course at 16th ILCC. Invited.

 

“Dielectric study of transitions between cholesteric textures and design of dynamic drive scheme,” X. Huang, D. Yang, P. Bos, J. Doane, 16th ILCC, B1P.46 (1996).

 

“Mechanism of liquid crystal alignment on polymer films exposed to linearly polarized ultraviolet light,” J. Chen, D. Johnson, P. Bos, X. Wang,  J. West, 16 ILCC, B4P.14.

 

“Polyimide thickness induced alignment transition in cholesteric displays,” J. Ruth, P. Bos, D. Davis, B. Taheri, A. Ali, A. Kahn, X. Huang, M. Stefanov, 16th ILCC, C1P.49.

 

“An observation  of the effect of the surface topography on the defect density in SmC* devices,”  J. Pirs, S. Kralj, S, Pirs, B. Marin, P. Watson, C. Hoke, P. Bos, 16th ILCC, D1P.29.

 

“Investigation of domain instability in the four-domain twisted nematic configuration,” J. Chen, J. Li, D. Johnson, P. Bos, N. Kim, 16th ILCC, D2P29(1996).

 

            “High ambient reflective displays for transport applications,” B. Taheri, J. Ruth, P. Bos, M. Stefanov, A. Kahn, J. Doane, 1996 Symposium on Vehicular Displays, Ypsilanti, Sept 17, 1996  (I).

 

“Liquid crystal alignment,” P. Bos, Workshop on Liquid Crystals on Silicon at NSF/ERC for Optoelectronic Computing Systems at the University of Colorado at Boulder, June 26 - 29 1995 Invited.

 

“Polymer-modified TN and supertwisted nematic (STN) devices,” P. Bos, J. Li, D. Yang, W. Doane,  Proc. SPIE v2408, 74 (1995).

 

“Zero-field bistable reflective cholesteric displays,” P. Bos, D. Yang, M. Pfeiffer, J. Doane  VDE Conference on Vacuum Electronics and Displays, Garmisch, Germany, 219, May 1995.  Invited.

 

“Polymer stabilized liquid crystal materials,” (invited paper) P. Bos, J. Li, D. Yang, J.  Doane,  IS&T / SPIE Symposium on Electronic Imaging: Science & Technology (2408-10) (1994).  Invited.

 

“Contrast and color uniformity optimization of and LCD Pi-Cell pixel,” M. Flynn, P. Bos (J), 15th International Liquid Crystal Conference (1994).

 

            “Polymer stabilized TN displays,” P. Bos, J. Rahmon, J. Doane, 1993 Gordon Conference on Liquid Crystals.  Invited.

 

            “Performance limits of stereoscopic viewing systems using active and passive glasses,” P. Bos, IEEE Annual Virtual Reality Symposium 1993, 371-376.

 

            “Time sequential stereoscopic displays: the contribution of phosphor persistence to the “Ghost” image intensity,” P.J. Bos, Proceedings of the 1991 annual conference of the Institute of Television Engineers of Japan, 603. Invited

 

            “Stereoscopic display performance,” 1990 Electronic Imaging Conference.

 

            “Liquid crystals: fundamental properties and applications,” J. West, P. Bos, P. Palffy/Muhoray, D. Allender, Tutorial Short Course T75; SPIE OE/LASE'89; Los Angeles Ca.; 1989. Invited.

 

“Director alignment methods for ferroelectric liquid crystal matrix displays,” (Invited Paper), P. Bos, Optical Society of America 1988 Annual Meeting Santa Clara, Ca., 1988. Invited

 

“A method for director alignment of SmC* devices,” P. Bos, K. Koehler/Beran (J), 1st International Symposium on Ferroelectric Liquid Crystals, Arcachon, France, 1987.

 

            “The prospects for color flat-panel displays,” P. Bos (Evening Discussion Panel); SID International Symposium, Orlando, Fl., 1985.  Invited

 

“The pi-cell: a fast liquid crystal optical switching device,” P. Bos, 4th European Winter Conference on Liquid Crystals of Low-Dimensional Order and their Applications, Bovec, Yugoslavia, 1984.  Invited.

 

“Removal of the optical bounce and turn-off time reduction in twisted nematic displays,”  R. Hubbard,  P. Bos (J), Biennial Display Research Conference, Cherry Hill, N.J., 1980. 

 

“Motional averaging of single spin interactions in liquid crystals,” Bull.Am.Phys. Soc. 22, 1269 (1977).

 

 

 

Magazine Articles

 

“Liquid Crystal Technology Advances toward “True” 3D Flat Panel Displays”  Philip Bos, Achintya Bhowmik Information Display,  September, 2011  p2

 

 

“Fast-Switching Liquid Crystal Effects for Displays”  Information Display,  September, 2007  p20

 

 

 

Issued Patents (35)

 

 

“Double-layer electrode for electro-optic liquid crystal lens” USP: 9,470,937 October 18, 2016

 

“Tunable electro-optic liquid crystal lenses having resistive bridges and methods for forming the lenses” USP: 9,323,113; April 26, 1016

 

“Tunable electrode-optic liquid crystal lenses having resistive bridges and methods for forming the lenses “; USP: 9,280,020; March 8, 2016

 

“Fast response optical devices by double liquid crystal cells structure” USP 9,261,745  Feb 16, 2016.

 

“Photo Patterned Pre-Tilt Liquid Crystal Cells, Lenses and Methods” USP 8,654,281   Feb 18, 2014 ,

 

“Tunable Liquid Crystal Devices, Devices using same, and methods of making and using same” US Patent 8,531,646  Sept 10, 2013

 

“Liquid Crystal Device and methods there of”  US Patent 8,300,189.. October 30, 2012

 

“Polarization Independent Liquid Crystal Based Etalon and Devices using Same” US Patent 8,237,910

 

“Materials for promoting alignment of liquid crystals on SiOx and other substrates”; C.Chen, P.Bos, J. Anderson.  US Patent 7,733,452, issued June 8, 2010

 

“Birefringent Filter-Based Color Generation Scheme for a Passive Matrix Display Device”, P. Bos and  S. Saeed, .US patent 7,289,189 issued 10-30-2007,

 

Liquid crystal on silicon diffractive light valve,” B. Wang, P.  Bos, D. Chung, US Patent 6,924,870, issued August 2, 2005.

 

“Bistable liquid crystal display device using polymer stabilization,” US Patent 6,583,838, issued June 24, 2003.

 

“Bistable reflective cholesteric liquid crystal displays utilizing super twisted nematic driver chips,” J. Ruth, R. Hewitt, P. Bos, US Patent 6,278,429, issued August 21, 2001.

 

“Four domain pixel for liquid crystalline light modulating device,” P. Bos, H. Vithana, D. Johnson, J. Chen, US Patent 6,141,074, issued Oct. 31, 2000.

 

“Bistable liquid crystal display device using polymer stabilization,” J. Li, P. Bos, US Patent 6,133,975, issued Oct. 17, 2000.

 

"Reflective optically active diffractive device," P. Bos, J. Chen, D. Johnson, W. Glenn, C. Holton, B. Smith, U.S. Patent 5,825,448, issued Oct. 20, 1998.

 

"Polymer stabilized four domain twisted nematic liquid crystal display," P. Bos, J. Chen,  U.S. Patent 5,831,700, issued Nov. 3, 1998.

 

“Switchable color filter using electrically controllable optical retarders,” P. Bos, P. Johnson, Jr., US Patent 5,714,970, issued Feb. 3, 1998.

 

“Method for forming uniformly spaced plastic sybstrates liquid crystal displays,” J.West, P.J Bos, US Patent 5,766,694, issued June 16, 1998.

 

“Dynamic drive method and apparatus for a bistable liquid crystal display,”  X. Huang, P. Bos, D. Yang, US Patent 5,748,277, issued May 5, 1998.

 

“Optically active diffractive device,” P. Bos, B. Smith, C. Holton, W. Glenn, US Patent 5,638,201, issued June 10, 1997.

 

“Low electro-optic threshold liquid crystal cell and method of fabricating same,” P. Bos,  J. A. Rahman, US Patent 5,606,442, issued February 25, 1997.

 

“Color liquid crystal display having a wide angle of viewing angle,” P. Bos, US Patent 5,550,662, issued August 27, 1996.

 

“Gray scale LC device having a wide viewing angle,” P. Bos, US Patent 5,410,422, issued April 25, 1995.

 

“Switchable color filter and field sequential full color display system,” P. Bos, P. Johnson Jr., US Patent 5,387,920, issued February 7, 1995.

 

“High contrast light shutter system,” P. Bos, US Patent 5,187,603, issued February 16, 1993.

 

“Liquid crystal fiber optic attenuator,” S. Rumbaugh, M. Jones, F. Scheu, P. Bos, US Patent 5,015,057, issued May 14, 1991.

 

“Polarization controller for use in optical fiber communications,” S. Rumbaugh, M. Jones, P. Bos, US Patent 4,979,235, , issued December 18, 1990.

 

“Chiral liquid crystal cell,” P.  Bos, US Patent 4,900,132, issued February 13, 1990.

 

“Drive waveform for ferroelectric displays,” P.  Bos, US Patent 4,870,398, issued September 26, 1989.

 

“Stereoscopic imaging system with passive viewing apparatus” P. Bos, US Patent 4,719,507,

issued January 12, 1988.

 

“Method and apparatus for reducing optical cross talk in a liquid crystal optical switch” P. Bos, D. Prince, US patent 4,652,087, issued March 24, 1987.

 

“High speed electro-optical light gate and field sequential full color display system incorporating same,” P. Bos US patent 4,635,051, issued January 1, 1987.

 

“Field sequential color display system,” P. Bos,  P. Johnson Jr., US Patent 4,582,396, issued April 15, 1986.

 

“Rapid starting high-speed liquid crystal variable optical retarder,” P. Bos, US Patent 4,566,758.

Job Title

Professor

Job Department

Chemical Physics

Campus

Kent

Phone

330-672-2511

Personal Website

Philip J. Bos Resume