Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9888552 | Detecting circuit for short of LED array and LED driving apparatus using the same | Tae-Kyoung Kang, Gyu Ho LIM, Beom-seon Ryu | 2018-02-06 |
| 9825634 | Level shifting circuit and method for the same | Seok Min Hong, Tae-Kyoung Kang | 2017-11-21 |
| 9692404 | Power factor correction controlling circuit and driving method thereof | Zhi Yuan Cui, In Ho Hwang, Gyu Ho LIM, Young Gi Ryu | 2017-06-27 |
| 9642197 | Circuit for compensating bipolar junction transistor base current and LED driving apparatus having the same | Gyu Ho LIM | 2017-05-02 |
| 9635746 | Detecting circuit for open of LED array and LED driver apparatus using the same | Tae-Kyoung Kang, Beom-seon Ryu | 2017-04-25 |
| 9425690 | Current controlling mode direct current (DC)-DC converter | Hyoung Kyu Kim | 2016-08-23 |
| 9178423 | Ramp circuit and direct current (DC)-DC converter thereof | Hyoung Kyu Kim, Tae-Kyoung Kang | 2015-11-03 |