Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451456 | Compound for red organic EL device and organic EL device using the same | Yoon-Heung Tak | 2002-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451456 | Compound for red organic EL device and organic EL device using the same | Yoon-Heung Tak | 2002-09-17 |