Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953947 | Organic thin film transistor | Seokhee Yoon, Hyeon Choi, Changhee Lee | 2005-10-11 |
| 6878469 | Material for transporting electrons and organic electroluminescent display using the same | Seok-Hee Yoon, Jae-Soon Bae, Youn-Gu Lee, Sung Gap Im, Jae-Chol Lee +3 more | 2005-04-12 |