Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092904 | Flat and transparent front-lighting system using microprisms | Chen-Yu Tai | 2000-07-25 |
| 5926601 | Stacked backlighting system using microprisms | Chen-Yu Tai | 1999-07-20 |
| 5860722 | Flat and transparent front-lighting system using microprisms | Han Zou | 1999-01-19 |
| 5835661 | Light expanding system for producing a linear or planar light beam from a point-like light source | Han Zou | 1998-11-10 |
| 5671994 | Flat and transparent front-lighting system using microprisms | Han Zou | 1997-09-30 |
| 5668913 | Light expanding system for producing a linear or planar light beam from a point-like light source | Han Zou | 1997-09-16 |
| 5608837 | Transmissive type display and method capable of utilizing ambient light | Chen-Yu Tai | 1997-03-04 |
| 5506929 | Light expanding system for producing a linear or planar light beam from a point-like light source | Han Zou | 1996-04-09 |