Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7514971 | Pulse width modulation current adjustment apparatus | — | 2009-04-07 |
| 7277377 | Optical pick-up device with a polarized light beam converter | — | 2007-10-02 |
| 7207706 | Light emitting diode having diffraction grating and planar light source device using the same | Charles Leu, Wen-Jeng Huang | 2007-04-24 |
| 7195391 | Backlight module with light guide plate having concave light input surface | — | 2007-03-27 |
| 7095942 | Planar light device | Ga-Lane Chen | 2006-08-22 |
| 7091675 | Driving apparatus for cold cathode fluorescent lamps | — | 2006-08-15 |
| 7086451 | Heat sink with carbon nanotubes and method for manufacturing same | Charles Leu, Tai-Cherng Yu, Ga-Lanee Chen | 2006-08-08 |
| 7083316 | Light guide plate with intervening layer and backlight system using same | — | 2006-08-01 |
| 7078942 | Driving apparatus for generating a driving current using PWM | — | 2006-07-18 |
| 6989701 | Pulse width modulation driving apparatus for light emitting diode | Ching-Yen Lee | 2006-01-24 |
| 6954039 | Driving circuit for light emitting diodes | Ching-Yen Lee | 2005-10-11 |
| 6925243 | Light guide plate with parallel protrusions and surface light source unit incorporating the same | — | 2005-08-02 |