Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730419 | Blue light emitting compound and organic electroluminescent device employing the same as color developing substance | Sung Han Kim, Soon-Ki Kwon, Yun-Hi Kim, Dong Cheol Shin, Hyung Sun Kim +1 more | 2004-05-04 |