Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7786471 | Organic electroluminescence device | Yong Qiu, Yudi Gao, Deqiang Zhang | 2010-08-31 |
| 7317280 | Organic light-emitting devices and their encapsulation method and application of this method | Yong Qiu, Lian Duan, Yang Li | 2008-01-08 |
| 7227027 | Carbazole derivative and its use in electroluminescent devices | Yong Qiu, Juan Qiao, Jianhua Wang, Lian Duan, Gangtie Lei | 2007-06-05 |
| 6806491 | Organic light-emitting devices | Yong Qiu, Yudi Gao, Peng Wei, Deqiang Zhang | 2004-10-19 |