Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955856 | Biphenyl derivatives and organic electroluminescent device employing the same | Soo-Hyoung Lee, Ji Hoon Lee, Sang-Yeol Kim, Byung Hee Sohn | 2005-10-18 |
| 6858326 | Blue electroluminescent polymer and organic electroluminescence device using the same | Ji Hoon Lee, In-Nam Kang | 2005-02-22 |
| 6841268 | Blue electroluminescent polymer and organic electroluminescence device using the same | Ji Hoon Lee, In-Nam Kang | 2005-01-11 |