Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822257 | Organic light emitting diode device with organic hole transporting material and phosphorescent material | Wei-Su Chen, Chi-Chih Liao, Jiun-Haw Lee | 2004-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822257 | Organic light emitting diode device with organic hole transporting material and phosphorescent material | Wei-Su Chen, Chi-Chih Liao, Jiun-Haw Lee | 2004-11-23 |