Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7394209 | Liquid crystal display system with lamp feedback | Da Liu | 2008-07-01 |
| 7248240 | Protection for external electrode fluorescent lamp system | Da Liu | 2007-07-24 |
| 7200017 | Controller and driving method for supplying energy to display device circuitry | — | 2007-04-03 |
| 7126289 | Protection for external electrode fluorescent lamp system | Da Liu | 2006-10-24 |
| 7120035 | Inverter controller | Da Liu | 2006-10-10 |
| 7095392 | Inverter controller with automatic brightness adjustment circuitry | — | 2006-08-22 |
| 7057611 | Integrated power supply for an LCD panel | Da Liu | 2006-06-06 |
| 6999328 | Controller circuit supplying energy to a display device | — | 2006-02-14 |
| 6936975 | Power supply for an LCD panel | Da Liu | 2005-08-30 |
| 6900993 | Inverter controller | Da Liu | 2005-05-31 |
| 6856519 | Inverter controller | Da Liu | 2005-02-15 |
| 6809938 | Inverter controller | Da Liu | 2004-10-26 |
| 6804129 | High-efficiency adaptive DC/AC converter | — | 2004-10-12 |
| 6778415 | Controller electrical power circuit supplying energy to a display device | — | 2004-08-17 |
| 6707264 | Sequential burst mode activation circuit | Yu-Cheng Chang, Bingwei Yao | 2004-03-16 |
| 6570344 | Lamp grounding and leakage current detection system | — | 2003-05-27 |
| 6531831 | Integrated circuit for lamp heating and dimming control | John Chou | 2003-03-11 |
| 6501234 | Sequential burst mode activation circuit | Yu-Cheng Chang, Bingwei Yao | 2002-12-31 |
| 6396722 | High-efficiency adaptive DC/AC converter | — | 2002-05-28 |
| 6259615 | High-efficiency adaptive DC/AC converter | — | 2001-07-10 |
| 6104146 | Balanced power supply circuit for multiple cold-cathode fluorescent lamps | John Chou | 2000-08-15 |
| 5892336 | Circuit for energizing cold-cathode fluorescent lamps | Kwang-Hwa Liu, John Chou | 1999-04-06 |