Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |