Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994498 | White organic light emitting device and method for manufacturing the same | Sung-Hoon Pieh, Chang-Je Sung, Jeong-Dae Seo | 2011-08-09 |
| 7872415 | Organic light emitting display | Chang Nam Kim, Seong-Joong Kim, Hong Gyu Kim | 2011-01-18 |