Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451461 | Hole transporting compounds having good thermal stability for organic electroluminescent device and method for production thereof | Ji Hoon Lee, In-seo Kee, Sung Woo Cho | 2002-09-17 |