Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9362833 | Constant voltage constant current control circuits and methods with improved load regulation | — | 2016-06-07 |
| 9246381 | Active power factor correction control circuit, chip and LED driving circuit thereof | — | 2016-01-26 |
| 9170588 | Compensation circuit and switching power supply thereof | Guojia Liu | 2015-10-27 |
| 9167643 | High-precision LED control circuit, method and LED driver thereof | Lu Zhang | 2015-10-20 |
| 9130468 | Constant voltage constant current controller and control method thereof | — | 2015-09-08 |
| 9065331 | Inductor current detection circuit and LED driver | — | 2015-06-23 |
| 9055629 | SCR dimming circuit and method | Shenglun Chen, Wei-Jen Chen | 2015-06-09 |
| 8922174 | Power factor correction circuit with frequency jittering | — | 2014-12-30 |
| 8917528 | Constant voltage constant current controller and control method thereof | — | 2014-12-23 |
| 8913404 | Constant voltage constant current control circuits and methods with improved load regulation | — | 2014-12-16 |
| 8854089 | Power switch driving circuits and power converters thereof | Wei-Jen Chen | 2014-10-07 |
| 8754584 | SCR dimming circuit and method | Shenglun Chen, Wei-Ling Chen | 2014-06-17 |
| 8736185 | SCR dimming circuit and method | Shenglun Chen, Wei-Ling Chen | 2014-05-27 |
| 8614551 | SCR dimming circuit and method | Shenglun Chen, Wei-En Chen | 2013-12-24 |
| 7671573 | Apparatus and method for projected on-time regulator | Lawrence Hok-Sun Ling | 2010-03-02 |
| 7615974 | High dimming ratio LED drive circuit | — | 2009-11-10 |