Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11294241 | Composite photoalignment layer | Man Chun Tseng, Abhishek Srivastava, Cuiling MENG, Hoi Sing Kwok, Yue Shi +2 more | 2022-04-05 |
| 11015120 | Low birefringence ferroelectric liquid crystal mixtures | Valerii Vladimirovich Vashchenko, Evgenii Pavlovich Pozhidaev, Abhishek Srivastava, Hoi Sing Kwok | 2021-05-25 |
| 10948774 | Photoaligned quantum rod enhancement films | Abhishek Srivastava, Wanlong Zhang, Hoi Sing Kwok | 2021-03-16 |
| 10607556 | Driving scheme for ferroelectric liquid crystal displays | Hoi Sing Kwok, Tsz Kin Ho | 2020-03-31 |
| 10451948 | Standing helix ferroelectric liquid crystal display cell | Evgenii Pavlovich Pozhidaev, Alexei D. Kiselev, Abhishek Srivastava, Hoi Sing Kwok | 2019-10-22 |
| 10281731 | 2D/3D switchable liquid crystal lens unit | Abhishek Srivastava, Hoi Sing Kwok | 2019-05-07 |
| 9946133 | Field sequential color ferroelectric liquid crystal display cell | Abhishek Srivastava, Hoi Sing Kwok | 2018-04-17 |
| 9933685 | Switchable liquid crystal fresnel lens | Abhishek Srivastava, Xiaoqian Wang, Hoi Sing Kwok | 2018-04-03 |
| 9921248 | Optically based voltage sensing device and method | Zourab Brodzeli, Leonardo Silvestri, Andrew Mark Michie, Eugene Pozhidaev, Francois Ladouceur | 2018-03-20 |
| 9791743 | Stabilized photo-alignment layer for liquid crystal | Qi GUO, Abhishek Srivastava, Hoi Sing Kwok | 2017-10-17 |
| 9739448 | Patterned polarization grating polarization converter | Tao Du, Fan Fan, Hoi Sing Kwok | 2017-08-22 |
| 9684206 | Copolymer, and liquid crystal alignment layer including cured product thereof | Martin Schadt, Hoi Sing Kwok, Sayaka Nose, Masayuki Iwakubo, Masanao Hayashi +3 more | 2017-06-20 |
| 9575366 | Fast switchable and high diffraction efficiency grating ferroelectric liquid crystal cell | Abhishek Srivastava, Wei-Chung Hu, Yanqing Lu, Fei Xu, Hoi Sing Kwok | 2017-02-21 |
| 9383607 | Patterned polarization converter | Tao Du, Hoi Sing Kwok | 2016-07-05 |
| 9366934 | Field sequential color ferroelectric liquid crystal display cell | Abhishek Srivastava, Ying Ma, Hoi Sing Kwok | 2016-06-14 |
| 9340634 | Polymer for use in liquid crystal alignment layer | Sayaka Nose, Yutaka Nagashima, Isa Nishiyama, Haruyoshi Takatsu, Martin Schadt +1 more | 2016-05-17 |
| 9341855 | Polarization converter by patterned polarization grating | Tao Du, Fan Fan, Hoi Sing Kwok | 2016-05-17 |
| 9298050 | Terahertz in-plane and terahertz out-of-plane switching liquid crystal devices | Emma MacPherson, Hongkyu Park, Fan Fan, Edward Philip John Parrott | 2016-03-29 |
| 9046729 | Cholesteric liquid crystal structure | Sergiy Valyukh, Hoi Sing Kwok, Iryna V. Valyukh | 2015-06-02 |
| 8755022 | Liquid crystal display cell with fast response and continuous gray scale | Evgeny Pavlovich Pozhidaev, Anatoli Alexandrovich Murauski, Hoi Sing Kwok | 2014-06-17 |
| 8576485 | Photo-induced dichroic polarizers and fabrication methods thereof | Vladimir Kozenkov, Wing-Chiu Yip, Hoi Sing Kwok | 2013-11-05 |
| 8525970 | Photo-aligned liquid-crystal micropolarimeter array and its manufacturing method | Xiaojin Zhao, Amine Bermak | 2013-09-03 |
| 8471999 | Low voltage liquid crystal lens with variable focal length | Sergiy Valyukh, Hoi Sing Kwok | 2013-06-25 |
| 8120735 | Transflective liquid crystal display | Hoi Sing Kwok | 2012-02-21 |
| 7892711 | Azo compound, composition for photo-alignment film using the same, and method for producing photo-alignment film | Hitoshi Kondo, Yasuhiro Kuwana, Hirokazu Takada, Hoi Sing Kwok | 2011-02-22 |