Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10862061 | Organic light-emitting display panel and organic light-emitting display device having gradient doped electron transmission regions | Jinghua Niu, Xiangcheng Wang | 2020-12-08 |
| 10658601 | Organic light-emitting display panel and display device | Shuang Cheng, Jinghua Niu, Xiangcheng Wang, Qing-Man Zhu, Yinhe Liu +1 more | 2020-05-19 |