Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835954 | Active matrix organic electroluminescent display device | Jae-Yong Park | 2004-12-28 |
| 6806853 | Driving circuit for active matrix organic light emiting diode | Han Sang Lee, Sung Joon Bae | 2004-10-19 |
| 6693383 | Electro-luminescence panel | Sung Joon Bae, Han Sang Lee, Tae Joon Ahn | 2004-02-17 |
| 6690115 | Electro-luminescence panel | Sung Ki Kim | 2004-02-10 |