Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8928247 | Power compensation device and light emitting diode illumination apparatus having the same | Jeong In Cheon, Jang Hwan Cho, Do-Hyung Lee | 2015-01-06 |
| 7414851 | Display apparatus and flexible substrate | — | 2008-08-19 |