Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835468 | Fluorene based polymers and light emitting diodes fabricated with the same as light emitting material | Hyun-Nam Cho, Young Chul Kim, Jae-Min Hong, Doo Moon, Young Sei Park +1 more | 2004-12-28 |
| 6800381 | Fluorene compound, polymers thereof having a polyphenylene group, and EL element comprising the same | Hyun-Nam Cho, Sung-Hyun JUNG, Sang Won Son | 2004-10-05 |