Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10928701 | Large angle image steering device | Hsien-Hui Cheng, Achintya Bhowmik | 2021-02-23 |
| 10634881 | Compact non-mechanical zoom lens having focal lengths dependent upon left- or right-handedness of circularly polarized light | Kun Gao, Hsien-Hui Cheng, Colin P. McGinty, Achintya Bhowmik | 2020-04-28 |
| 10545344 | Stereoscopic display with reduced accommodation fatique | Afsoon Jamali, Anders Grunnet-Jepson, Achintya Bhowmik | 2020-01-28 |
| 10459293 | Methods and apparatus for liquid crystal photoalignment | Valerie A. Finnemeyer, Robert K. Reich, Harry R. Clark, Jr., Carl O. Bozler, Shaun R. Berry +1 more | 2019-10-29 |
| 9323113 | Tunable electro-optic liquid crystal lenses having resistive bridges and methods for forming the lenses | Douglas Bryant, Lei Shi, Bentley Wall | 2016-04-26 |
| 9280020 | Tunable electrode-optic liquid crystal lenses having resistive bridges and methods for forming the lenses | Douglas Bryant, Lei Shi, Bentley Wall | 2016-03-08 |
| 9261745 | Fast response optical devices by double liquid crystal cells structure | Hsienhui Cheng, Achintya Bhowmik | 2016-02-16 |
| 8654281 | Photo-patterned pre-tilt liquid crystal cells, lenses and methods | Vassili V. Sergan, Tatiana Sergan | 2014-02-18 |
| 8531646 | Tunable liquid crystal devices, devices using same, and methods of making and using same | Lei Shi, Paul F. Manamon | 2013-09-10 |
| 8300189 | Liquid crystal device and methods thereof | Ke Zhang, Robert J. Twieg, Na Liu | 2012-10-30 |
| 8237910 | Polarization independent liquid crystal-based etalon and devices using same | Enkh-Amgalan Dorjgotov, Achintya Bhowmik | 2012-08-07 |
| 7733452 | Materials for promoting alignment of liquid crystals on SiOx and other substrates | Cheng Chen, James E. Anderson | 2010-06-08 |
| 7289189 | Birefringent filter-based color generation scheme for a passive matrix display device | Salman Saeed | 2007-10-30 |
| 6924870 | Liquid crystal on silicon diffractive light valve | Bin Wang, David B. Chung | 2005-08-02 |
| 6583838 | Bistable liquid crystal display device using polymer stabilization | Charles Hoke, Jianlin Li | 2003-06-24 |
| 6278429 | Bistable reflective cholesteric liquid crystal displays utilizing super twisted nematic driver chips | Jonathan C. Ruth, Richard P. Hewitt | 2001-08-21 |
| 6141074 | Four domain pixel for liquid crystalline light modulating device | Hemasiri Vithana, David Lawrence Johnson, Jianmin Chen | 2000-10-31 |
| 6133975 | Bistable liquid crystal display device using polymer stabilization | Jianlin Li | 2000-10-17 |
| 5831700 | Polymer stabilized four domain twisted nematic liquid crystal display | Jianlin Li, Jianmin Chen | 1998-11-03 |
| 5825448 | Reflective optically active diffractive device | Jianmin Chen, David Lawrence Johnson, William E. Glenn, Carvel Holton, Brett Smith | 1998-10-20 |
| 5766694 | Method for forming uniformly-spaced plastic substrate liquid crystal displays | John L. West | 1998-06-16 |
| 5748277 | Dynamic drive method and apparatus for a bistable liquid crystal display | Xiao-Yang Huang, Deng-Ke Yang | 1998-05-05 |
| 5714970 | Switchable color filter using electrically controllable optical retarders | Philip A. Johnson | 1998-02-03 |
| 5638201 | Optically active diffractive device | David Lawrence Johnson, Jianmin Chen, Hemasiri Vithana, William E. Glenn, Carvel Holton +1 more | 1997-06-10 |
| 5606442 | Low electro-optic threshold liquid crystal cell and method of fabricating same | Jolly A. Rahman | 1997-02-25 |