Prof. Liang-Chy Chien Profile

Prof. Liang-Chy Chien

Professor at Kent State Univ

SPIE Involvement:

Conference Co-Chair | Conference Chair | Track Chair | Editor | Author

Area of Expertise:

Liquid Crystals , Polymeric Materials , Energy Devices , Displays , Electro-Optics , Optics and Photonics

Websites:

Personal Website

Publications (36)

Proceedings Article | 14 March 2023 Presentation + Paper

Low threshold and high Q-factor lasing in topologically directed assemblies of blue-phase liquid crystal microspheres

Sumanyu Chauhan, Souptik Mukherjee, Andrii Varanytsia, Chien Tsung Hou, Lu Zou, Liang-Chy Chien

Proceedings Volume 12442, 1244209 (2023) https://doi.org/10.1117/12.2652236

KEYWORDS: Liquid crystals, Random lasers, Laser scattering, Microspheres, Polymers, Dyes, Light scattering, Laser damage threshold, Microfluidics, Emission spectrum

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Proceedings Article | 25 February 2020 Presentation + Paper

Near zero laser speckle liquid crystal device

John Harden, Kai-Han Chang, Thomas Seder, Liang-Chy Chien

Proceedings Volume 11303, 113030O (2020) https://doi.org/10.1117/12.2540168

KEYWORDS: Speckle, Speckle pattern, Nanoparticles, Liquid crystals, Light scattering, Laser scattering

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Proceedings Article | 13 March 2019 Presentation

A wide-color-gamut electrically-switchable color device with polymer-stabilized cholesteric liquid crystal (Conference Presentation)

Vinay Joshi, Daniel Paterson, John M. Storey, Corrie Imrie, Liang-Chy Chien

Proceedings Volume 10941, 109410K (2019) https://doi.org/10.1117/12.2508851

KEYWORDS: Polymers, Liquid crystals, Electric field sensors, Sensors, Camouflage

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Proceedings Article | 8 February 2018 Paper

Cholesteric metronomes with flexoelectrically programmable amplitude

Vinay Joshi, A. Varanytsia, Kai-Han Chang, Daniel Paterson, John M. Storey, Corrie Imrie, Liang-Chy Chien

Proceedings Volume 10555, 1055518 (2018) https://doi.org/10.1117/12.2291544

KEYWORDS: Liquid crystals, Transmittance, Electro optics, Polymers, Switching, LCDs, Fast packet switching

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Proceedings Article | 27 February 2017 Presentation + Paper

Optical homogenizing effects in nanoparticle-embedded liquid-crystal devices

Shunsuke Kobayashi, Yukihide Shiraishi, Hirokazu Furue, Kai-Han Chang, Liang-Chy Chien

Proceedings Volume 10125, 1012511 (2017) https://doi.org/10.1117/12.2260918

KEYWORDS: Electro optics, Neptunium, LCDs, Laser scattering, Liquid crystals, Speckle pattern, Doping, Nanoparticles, Speckle, Diffraction, Computer simulations, Scattering, Rayleigh scattering

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Proceedings Article | 15 February 2017 Presentation + Paper

Low-voltage binary operation of liquid-crystal Fresnel lens with surface relief structure

Kai-Han Chang, Dong Wang, Liang-Chy Chien

Proceedings Volume 10125, 101250X (2017) https://doi.org/10.1117/12.2249973

KEYWORDS: Liquid crystals, Fresnel lenses, Polymers, Refractive index, Binary data, Photorefractive polymers, Switching, Ultraviolet radiation, Solids, Optical alignment, Polarization, Polarizers

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Proceedings Article | 15 February 2017 Paper

Amorphous blue phase III polymer scaffold as a sub-millisecond switching electro-optical memory device

Sahil Sandesh Gandhi, Min Su Kim, Jeoung-Yeon Hwang, Liang-Chy Chien

Proceedings Volume 10125, 1012514 (2017) https://doi.org/10.1117/12.2248167

KEYWORDS: Polymers, Liquid crystals, Switching, Electro optic polymers, Electro optics, Nanoengineering, Nanostructures, Molecular self-assembly, Electro optical modeling, Nanolithography, Optical activity, Nanostructuring, Scanning electron microscopy

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Proceedings Article | 11 March 2015 Paper

Field-induced Bragg diffraction in polymer stabilized cholesteric liquid crystal bubbles

Andrii Varanytsia, Liang-Chy Chien

Proceedings Volume 9384, 93840J (2015) https://doi.org/10.1117/12.2175589

KEYWORDS: Polymers, Liquid crystals, Scanning electron microscopy, Diffraction, Distortion, Polymerization, Ultraviolet radiation, Turbulence, Diffraction gratings, Crystals

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Proceedings Article | 11 March 2015 Paper

Electro-optical behavior of polymer dispersed blue phase liquid crystals

E. Kemiklioglu, L.-C. Chien

Proceedings Volume 9384, 93840I (2015) https://doi.org/10.1117/12.2076854

KEYWORDS: Polymers, Liquid crystals, Electro optics, Electro optic polymers, Polymer thin films, Switching, Transparent conducting films, Refractive index, Electrodes, Light scattering

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Proceedings Article | 5 March 2013 Paper

High frequency performance extending to millimeter-waves in inverted-microstrip-line-type LC phase shifter

T. Nose, Y. Ito, Takuya Iisaka, L.-C. Chien, O. Catanescu, A. Golvin, Y. Isota, T. Sasamori, R. Ito, M. Honma

Proceedings Volume 8642, 864206 (2013) https://doi.org/10.1117/12.2008619

KEYWORDS: Phase shifts, Liquid crystals, Electrodes, Birefringence, Extremely high frequency, Waveguides, Phase shifting, Transmittance, Electromagnetic radiation, Radio propagation

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Proceedings Article | 5 March 2013 Paper

Colloids mediated liquid crystal blue phases

Mengfei Wang, Everett Rhinehalt, Emine Kemiklioglu, Jeoung-Yeon Hwang, Liang-Chy Chien

Proceedings Volume 8642, 86420W (2013) https://doi.org/10.1117/12.2009513

KEYWORDS: Particles, Liquid crystals, Temperature metrology, Transmission electron microscopy, Quantum dots, Electro optics, Switching, Switches, Doping, Neodymium

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Proceedings Article | 6 February 2012 Paper

Temperature independent low voltage polymer stabilized blue phase liquid crystals

E. Kemiklioglu, J. Y. Hwang, L.-C. Chien

Proceedings Volume 8280, 82800H (2012) https://doi.org/10.1117/12.909043

KEYWORDS: Polymers, Liquid crystals, Temperature metrology, Switching, Nanoparticles, Composites, Scanning electron microscopy, Liquids, LCDs, Molecular self-assembly

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Proceedings Article | 2 February 2011 Paper

Wide temperature range blue phase liquid crystals for displays

Jeoung-Yeon Hwang, Jie Xiang, Shin-Ying Lu, Liang-Chy Chien

Proceedings Volume 7955, 79550H (2011) https://doi.org/10.1117/12.877928

KEYWORDS: Temperature metrology, Liquid crystals, Dielectrics, Anisotropy, LCDs, Electrodes, Electro optics, Switching, Birefringence, Kerr effect

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Proceedings Article | 24 February 2010 Paper

Liquid crystal-directed polymer nanostructure for vertically aligned nematic cells

Volodymyr Borshch, Jeoung-Yeon Hwang, Liang-Chy Chien

Proceedings Volume 7618, 76180V (2010) https://doi.org/10.1117/12.838374

KEYWORDS: Liquid crystals, Polymers, LCDs, Molecules, Transmittance, Switching, Liquids, Crystals, Fast packet switching, Electro optics

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Proceedings Article | 12 February 2010 Paper

Multi-domain liquid crystal alignment based on periodical polyimide micro-bars fabricated by inkjet printing

Jeoung-Yeon Hwang, Liang-Chy Chien

Proceedings Volume 7618, 76181A (2010) https://doi.org/10.1117/12.846848

KEYWORDS: Liquid crystals, Printing, Inkjet technology, Electro optics, LCDs, Optical alignment, Glasses, Polarizers, Birefringence, Head

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Proceedings Article | 3 February 2009 Paper

Fast-switching electro-optical films based on polymer encapsulated liquid crystal, carbon nanotube, and dye

Lu Lu, Shin-Ying Lu, Liang-Chy Chien

Proceedings Volume 7232, 723204 (2009) https://doi.org/10.1117/12.812336

KEYWORDS: Liquid crystals, Polymers, Polymer thin films, Electro optics, Carbon nanotubes, Electro optic polymers, Dielectrics, Doping, Scanning electron microscopy, Refractive index

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Proceedings Article | 29 January 2008 Paper

Dynamics of phase separation and morphology of polymer stabilized liquid crystals

Lanfang Li, Carmen Otilia Catanescu, Liang-Chy Chien

Proceedings Volume 6911, 69110L (2008) https://doi.org/10.1117/12.767379

KEYWORDS: Polymers, Liquid crystals, Polymerization, Molecules, Ultraviolet radiation, Polymer thin films, Electro optic polymers, Process control, Electro optics, Crystals

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Proceedings Article | 29 January 2008 Paper

A photochromic main-chain liquid crystalline polymer and its photo-stimulated actuating properties

Myong-Hoon Lee, Hyong Choi, Kwang-Un Jeong, Liang-Chy Chien

Proceedings Volume 6911, 69110B (2008) https://doi.org/10.1117/12.769009

KEYWORDS: Polymers, Liquid crystals, Crystals, Polymer thin films, Liquids, Ultraviolet radiation, Polymerization, Actuators, Polymeric actuators, Glasses

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Proceedings Article | 14 February 2007 Paper

Electrically switchable mirrors based on polymer-stabilized cholesteric liquid crystals

Shin-Ying Lu, Andrii Golovin, Liang-Chy Chien

Proceedings Volume 6487, 64870P (2007) https://doi.org/10.1117/12.708240

KEYWORDS: Liquid crystals, Polymers, Reflectivity, Mirrors, Electro optics, Molecules, Light scattering, Ultraviolet radiation, Electro optic polymers, Switching

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Proceedings Article | 22 May 2006 Paper

Fast-switching flexoelectric cholesteric liquid crystal displays

Sang Hwa Kim, Lei Shi, Liang-Chy Chien

Proceedings Volume 6225, 62250I (2006) https://doi.org/10.1117/12.665816

KEYWORDS: Polymers, Liquid crystals, Switching, LCDs, Dielectrics, Electro optics, Polarizers, Phase modulation, Anisotropy, Molecules

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Proceedings Article | 21 September 2005 Paper

High birefringence liquid crystals for photonic applications

S. Gauza, C. Wen, S. Wu, R. Dabrowski, C. Hsu, C. Catanescu, L. Chien

Proceedings Volume 5947, 594706 (2005) https://doi.org/10.1117/12.613986

KEYWORDS: Birefringence, Liquid crystals, Absorption, Ultraviolet radiation, Dielectrics, Polarizability, Anisotropy, Molecules, Chromium, Temperature metrology

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Proceedings Article | 12 April 2005 Paper

Effects of polymer concentration and localization on the electro-optical performance of cholesteric flexoelectro-optical devices

Sang Hwa Kim, Xiaoli Zhou, Lachezar Komitov, Liang-Chy Chien

Proceedings Volume 5741, (2005) https://doi.org/10.1117/12.584499

KEYWORDS: Polymers, Liquid crystals, Electro optics, Electro optic polymers, Birefringence, Dielectrics, Switching, Polarizers, Phase modulation, Scanning electron microscopy

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Proceedings Article | 1 September 2004 Paper

Molecular engineering of high-birefringence liquid crystals

Sebastian Gauza, Janet Wu, Shin-Tson Wu, A. Spadlo, Roman Dabrowski, N. Janarthanan, Chain-Shu Hsu, Otilia Catanescu, Liang-Chy Chien

Proceedings Volume 5565, (2004) https://doi.org/10.1117/12.581090

KEYWORDS: Birefringence, Liquid crystals, Ultraviolet radiation, Absorption, Temperature metrology, Anisotropy, Chemistry, Crystals, Variable optical attenuators, Near infrared

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Proceedings Article | 28 May 2004 Paper

Polymer-stabilized liquid crystal light modulators

Sang Hwa Kim, Liang-Chy Chien

Proceedings Volume 5289, (2004) https://doi.org/10.1117/12.532175

KEYWORDS: Ultraviolet radiation, Polymers, Liquid crystals, Diffraction gratings, Scanning electron microscopy, Polymerization, Diffraction, Modulation, Polymer thin films, Modulators

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Proceedings Article | 30 April 2003 Paper

Light shutters and electro-optical storage devices from antiferroelectric liquid crystals of bent-shape molecules

Antal Jakli, Liang-Chi Chien, Daniel Kruerke, Sebastian Rauch, Hans Sawade, Philippe Bault, Gerd Heppke, Katalin Fodor-Csorba, Geetha Nair

Proceedings Volume 5003, (2003) https://doi.org/10.1117/12.482348

KEYWORDS: Scattering, Transmittance, Light scattering, Liquid crystals, Molecules, Switching, Camera shutters, Laser scattering, Polarization, Polarizers

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Proceedings Article | 30 April 2003 Paper

Polymer-enhanced bend-mode nematic displays

Sang Kim, Liang-Chy Chien

Proceedings Volume 5003, (2003) https://doi.org/10.1117/12.482351

KEYWORDS: Polymers, Liquid crystals, Ultraviolet radiation, LCDs, Electro optics, Scanning electron microscopy, Transmittance, Polarizers, Electro optic polymers, Polymerization

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Proceedings Article | 14 May 2002 Paper

Side chain effects on high-birefringence liquid crystals

C. H. Wen, Y. H. Fan, Shin-Tson Wu, Roman Dabrowski, C. O. Catanescu, Liang-Chy Chien

Proceedings Volume 4658, (2002) https://doi.org/10.1117/12.467457

KEYWORDS: Birefringence, Liquid crystals, Anisotropy, Dielectrics, Ultraviolet radiation, LCDs, Absorption, Crystals, Telecommunications, Manufacturing

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Proceedings Article | 14 May 2002 Paper

Polymer-stabilized ferroelectric liquid crystals

Soonnam Lee, S. Suresh, Liang-Chy Chien

Proceedings Volume 4658, (2002) https://doi.org/10.1117/12.467450

KEYWORDS: Polymers, Polarization, Switching, Ferroelectric LCDs, Liquid crystals, Temperature metrology, Electro optics, Ferroelectric polymers, Photonic integrated circuits, Molecules

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Proceedings Article | 14 May 2002 Paper

Bistable reflective cholesteric liquid crystal display with pixelated colors

J. Cho, U. Mueller, F. Vicentini, Y. Lin, Liang-Chy Chien

Proceedings Volume 4658, (2002) https://doi.org/10.1117/12.467460

KEYWORDS: Reflectivity, LCDs, Liquid crystals, Polymers, Ultraviolet radiation, Switching, Electro optics, Photomasks, Reflective displays, Prototyping

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Proceedings Article | 15 June 2001 Paper

Electrically switchable polymer-stabilized cholesteric diffraction gratings

S. Kang, Samuel Sprunt, Liang-Chy Chien

Proceedings Volume 4279, (2001) https://doi.org/10.1117/12.429369

KEYWORDS: Polymers, Liquid crystals, Diffraction, Diffraction gratings, Switching, Electro optics, Distortion, Networks, Anisotropy, Scanning electron microscopy

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Proceedings Article | 17 June 1998 Paper

Polymer-stabilized white reflective cholesteric displays

Liang-Chy Chien, J. Cho, Nathalie Leroux

Proceedings Volume 3421, (1998) https://doi.org/10.1117/12.311054

KEYWORDS: Polymers, Reflective displays, LCDs, Liquid crystals, Reflectivity, Electro optics, Visible radiation, Electro optic polymers, Polymerization, Spectroscopy

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Proceedings Article | 13 October 1997 Paper

Quadrupoled materials for second-order nonlinear optics

Steven Hubbard, Rolfe Petschek, Kenneth Singer, N. D'Sidocky, C. Hudson, Liang-Chy Chien, Craig Henderson, Paul Cahill

Proceedings Volume 3147, (1997) https://doi.org/10.1117/12.290252

KEYWORDS: Molecules, Hyper Rayleigh scattering, Polarization, Scattering, Light scattering, Nonlinear optics, Absorption, Harmonic generation, Polymers, Linear polarizers

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Proceedings Article | 9 February 1996 Paper

Smart materials for polymer-stabilized reflective cholesteric displays

Liang-Chy Chien, Mary Boyden, U. Mueller

Proceedings Volume 2716, (1996) https://doi.org/10.1117/12.232149

KEYWORDS: Liquid crystals, Polymers, LCDs, Ultraviolet radiation, Reflectivity, Reflective displays, Crystals, Camera shutters, Liquids, Electro optics

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Proceedings Article | 4 April 1994 Paper

Captured liquid crystalline order in polymer networks

Gregory Crawford, R. Polak, A. Scharkowski, Liang-Chy Chien, Slobodan Zumer, J. William Doane

Proceedings Volume 2175, (1994) https://doi.org/10.1117/12.172126

KEYWORDS: Polymers, Liquid crystals, Photopolymerization, Liquids, Microscopes, Optical microscopy, Microscopy, Spherical lenses, Crystals, Capillaries

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Proceedings Article | 27 October 1992 Paper

Current trends of polymer/liquid-crystal dispersions (Invited Paper)

Liang-Chy Chien

Proceedings Volume 1815, (1992) https://doi.org/10.1117/12.131318

KEYWORDS: Liquid crystals, Polymers, LCDs, Light scattering, Crystals, Liquids, Scattering, Epoxies, Refractive index, Camera shutters

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Proceedings Article | 18 August 1992 Paper

Synthesis and properties of diacetylenic liquid-crystalline monomers and polymers

Liang-Chy Chien, I. Shenouda, Le Li

Proceedings Volume 1692, (1992) https://doi.org/10.1117/12.138058

KEYWORDS: Polymers, Absorption, Liquid crystals, Crystals, Nonlinear crystals, Nonlinear optics, Transmittance, Pulsed laser operation, Nd:YAG lasers, Liquids

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Showing 5 of 36 publications

Proceedings Volume Editor (33)

SPIE Conference Volume | 27 March 2024

Advances in Display Technologies XIV

SPIE Conference Volume | 27 March 2024

Emerging Liquid Crystal Technologies XIX

SPIE Conference Volume | 3 April 2023

Emerging Liquid Crystal Technologies XVIII

SPIE Conference Volume | 28 March 2022

Emerging Liquid Crystal Technologies XVII

SPIE Conference Volume | 15 April 2021

Emerging Liquid Crystal Technologies XVI

Showing 5 of 33 publications

Conference Committee Involvement (44)

Emerging Liquid Crystal Technologies XX

25 January 2025 | San Francisco, California, United States

Advances in Display Technologies XV

25 January 2025 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIX

30 January 2024 | San Francisco, California, United States

Advances in Display Technologies XIV

29 January 2024 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XVIII

1 February 2023 | San Francisco, California, United States

Advances in Display Technologies XIII

30 January 2023 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XVII

25 January 2022 | San Francisco, California, United States

Advances in Display Technologies XII

24 January 2022 | San Francisco, California, United States

Advances in Display Technologies XI

6 March 2021 | Online Only, California, United States

Emerging Liquid Crystal Technologies XVI

6 March 2021 | Online Only, California, United States

Advances in Display Technologies X

5 February 2020 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XV

3 February 2020 | San Francisco, California, United States

Advances in Display Technologies IX

7 February 2019 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIV

3 February 2019 | San Francisco, California, United States

Advances in Display Technologies VIII

31 January 2018 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIII

29 January 2018 | San Francisco, California, United States

Advances in Display Technologies VII

2 February 2017 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XII

31 January 2017 | San Francisco, California, United States

Advances in Display Technologies VI

18 February 2016 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XI

16 February 2016 | San Francisco, California, United States

Advances in Display Technologies V

11 February 2015 | San Francisco, California, United States

Emerging Liquid Crystal Technologies X

9 February 2015 | San Francisco, California, United States

Advances in Display Technologies IV

6 February 2014 | San Francisco, California, United States

Emerging Liquid Crystal Technologies IX

5 February 2014 | San Francisco, California, United States

Advances in Display Technologies III

7 February 2013 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VIII

5 February 2013 | San Francisco, California, United States

Advances in Display Technologies II

25 January 2012 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VII

22 January 2012 | San Francisco, California, United States

SPIE OPTO

21 January 2012 | San Francisco, United States

Advances in Display Technologies

27 January 2011 | San Francisco, California, United States

E-papers and Flexible Displays

26 January 2011 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VI

25 January 2011 | San Francisco, California, United States

SPIE OPTO

22 January 2011 | San Francisco, United States

Emerging Liquid Crystal Technologies V

25 January 2010 | San Francisco, California, United States

SPIE OPTO

23 January 2010 | San Francisco, United States

Emerging Liquid Crystal Technologies IV

25 January 2009 | San Jose, California, United States

Emerging Liquid Crystal Technologies III

20 January 2008 | San Jose, California, United States

Emerging Liquid Crystal Technologies II

21 January 2007 | San Jose, California, United States

Liquid Crystal Materials, Devices, and Applications XII

21 January 2006 | San Jose, California, United States

Emerging Liquid Crystal Technologies

25 January 2005 | San Jose, California, United States

Liquid Crystal Technology Applications

7 July 2004 | Cleveland, Ohio, United States

Liquid Crystal Materials, Devices, and Applications X

19 January 2004 | San Jose, California, United States

Liquid Crystal Materials, Devices, and Applications IX

21 January 2003 | Santa Clara, CA, United States

Liquid Crystal Materials, Devices, and Applications VIII

21 January 2002 | San Jose, California, United States

Showing 5 of 44 Conference Committees

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