Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8425067 | Composite diffuser structure and backlight module | Cheng-Fan Lin, Jen-Huai Chang | 2013-04-23 |
| 8049845 | Optical diffusion device | Chien-Cheng Lin, Chao-Ying Lin | 2011-11-01 |
| 7503674 | High-brightness diffusion plate with trapezoid lens | Greta Chang, Jen-Huai Chang | 2009-03-17 |
| 7474464 | Diffuser plate with higher light diffusion efficiency and brightness | Jen-Huai Chang, Tzung-Yang Li | 2009-01-06 |
| 7347585 | Structure of direct type backlight module with high uniform emitting light | Jen-Huai Chang, Kai Li | 2008-03-25 |
| 7213933 | Direct type backlight module of diffuser plate and its manufacturing method thereof | Jen-Huai Chang, Chiang Liu | 2007-05-08 |
| 7213936 | Structure of direct type backlight module with high uniform emitting light | Jen-Huai Chang, Kai Li | 2007-05-08 |
| 7210835 | Diffusion sheet and manufacturing method thereof | Jen-Huai Chang, Yu-Wei Chang | 2007-05-01 |
| 6862139 | Rear projection screen, optical component thereof, and method for manufacturing the optical component | Jen-Huai Chang, Jui-Hsiang Chang | 2005-03-01 |