Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11183643 | Nitrogen heterocycle fused ring-indene compound and organic light-emitting display device | Lei Zhang, Xiangcheng Wang, Wei Gao, Jinghua Niu, Ying Liu +2 more | 2021-11-23 |