Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071994 | Semiconductor light-emitting device with improved light extraction efficiency | Sun Woon Kim, Hyun Kyung Kim, Je Won Kim, In Seok CHOI, Jeong Tak Oh | 2011-12-06 |
| 7893443 | Nitride based semiconductor light-emitting device | Je Won Kim, Jeong Tak Oh, Dong Joon Kim, Sun Woon Kim, Jin Sub Park | 2011-02-22 |