Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870198 | Organic electroluminescent device using mixture of phosphorescent material as light-emitting substance | Mu-Hyun Kim, Min-Chul Suh, Seong-Taek Lee, Jang-Hyuk Kwon | 2005-03-22 |