Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808826 | Blue electroluminescence compound for an organic electroluminescence device and the organic electroluminescence device using the same | Sung Han Kim, Han-sung Yu, Soon-Ki Kwon, Yun-Hi Kim, Dong Cheol Shin +1 more | 2004-10-26 |
| 6730419 | Blue light emitting compound and organic electroluminescent device employing the same as color developing substance | Geon Hee Kim, Sung Han Kim, Soon-Ki Kwon, Yun-Hi Kim, Dong Cheol Shin +1 more | 2004-05-04 |