Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657140 | Normally white twisted nematic LCD with positive and negative retarders | Gang Xu | 1997-08-12 |
| 5594568 | LCD with a pair of retardation films on one side of normally white liquid crystal layer | Adiel Abileah, Gang Xu | 1997-01-14 |