Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071994 | Semiconductor light-emitting device with improved light extraction efficiency | Sun Woon Kim, Hyun Kyung Kim, In Seok CHOI, Kyu Han Lee, Jeong Tak Oh | 2011-12-06 |
| 7902544 | Nitride semiconductor light emitting device | Sun Woon Kim, Sang Won Kang, Keun Man Song, Bang Won Oh | 2011-03-08 |
| 7893443 | Nitride based semiconductor light-emitting device | Jeong Tak Oh, Dong Joon Kim, Sun Woon Kim, Jin Sub Park, Kyu Han Lee | 2011-02-22 |