| 12408248 |
LED power supply |
Ching-Ho Chou |
2025-09-02 |
| 12349247 |
LED power supply equipment with bi-level dimming |
Ching-Ho Chou |
2025-07-01 |
| 11991797 |
LED power supply with bi-level dimming and bi-level dimming method |
Ching-Ho Chou |
2024-05-21 |
| 11646655 |
LLC resonant converter and control method thereof |
Ching-Ho Chou |
2023-05-09 |
| 11388800 |
Power supply for light-emitting diode and operating method thereof |
Ching-Ho Chou |
2022-07-12 |
| 10152068 |
Electrical ballast and driving method thereof |
Ching-Ho Chou |
2018-12-11 |
| 9648690 |
Dimmable instant-start ballast |
Ching-Ho Chou |
2017-05-09 |
| 9544980 |
Driving device and illumination system |
Ching-Ho Chou, Yen-Yu Chen |
2017-01-10 |
| 9426869 |
Multi-output electronic ballast |
Ching-Ho Chou |
2016-08-23 |
| 9232619 |
Fluorescent electronic ballast |
Ching-Ho Chou, Yen-Yu Chen |
2016-01-05 |
| 8760059 |
Current-preheat electronic ballast and resonant capacitor adjusting circuit thereof |
Ching-Ho Chou |
2014-06-24 |
| 8378592 |
End of lamp life protection circuit with bi-level detections for the electronic ballast and method thereof |
Ching-Ho Chou, Edy Chandra, Chao-Wei Tsai |
2013-02-19 |