Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462805 | Reverse-mode direct-view display employing a liquid crystal having a characteristic wavelength in the non-visible spectrum | Jianan Hou, Jianmi Gao, Yong Wang, Shushan Li, Rui Sun +1 more | 2002-10-08 |
| 6285434 | Substrate for colored cholesteric liquid crystal display allowing cholesteric liquid crystal material to be filled by surface tension without vacuum | Yao-Dong Ma, Jianmi Gao, Jianan Hou, Yong Wang, Qihui Zhang | 2001-09-04 |
| 5949513 | Methods of manufacturing multi-color liquid crystal displays using in situ mixing techniques | Yao-Dong Ma | 1999-09-07 |
| 5933203 | Apparatus for and method of driving a cholesteric liquid crystal flat panel display | Jianmi Gao, Meng Zhao | 1999-08-03 |
| 5889566 | Multistable cholesteric liquid crystal devices driven by width-dependent voltage pulse | Jianmi Gao, Hongxi Zhou, Yao-Dong Ma | 1999-03-30 |
| 5825451 | Methods of manufacturing multi-color liquid crystal displays using in situ mixing techniques | Yao-Dong Ma | 1998-10-20 |
| 5661533 | Ultra fast response, multistable reflective cholesteric liquid crystal displays | Hongxi Zhou, Yao-Dong Ma | 1997-08-26 |
| 5625477 | Zero field multistable cholesteric liquid crystal displays | Jianmi Gao, Hongxi Zhou, Yao-Dong Ma | 1997-04-29 |
| 4890902 | Liquid crystal light modulating materials with selectable viewing angles | J. William Doane, Eugene P. Wenninger, John L. West | 1990-01-02 |
| 4671618 | Liquid crystalline-plastic material having submillisecond switch times and extended memory | J. William Doane | 1987-06-09 |