Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5576861 | Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region | Gang Xu | 1996-11-19 |
| 5570214 | Normally white twisted nematic LCD with retardation films on opposite sides of liquid crystal material for improved viewing zone | Gang Xu | 1996-10-29 |
| 5499126 | Liquid crystal display with patterned retardation films | Gang Xu, Patrick F. Brinkley | 1996-03-12 |
| 5479275 | Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source | — | 1995-12-26 |
| 5262880 | Night vision goggle compatible liquid crystal display device | — | 1993-11-16 |
| 5161041 | Lighting assembly for a backlit electronic display including an integral image splitting and collimating means | Charles F. Sherman, Robert M. Cammarata | 1992-11-03 |
| 5128783 | Diffusing/collimating lens array for a liquid crystal display | Charles F. Sherman | 1992-07-07 |