Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968158 | Liquid crystal alignment layer and methods of making thereof | Hoi Sing Kwok, Xie Fengchao, Ophelia Tsui, Ping Sheng | 2011-06-28 |
| 7551252 | Bistable twisted nematic liquid crystal display based on dual frequency operation | Hoi Sing Kwok, Yuet-Wing Li | 2009-06-23 |