Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10991884 | Mask plate, OLED display substrate, display device and manufacturing method thereof | Yan Hu, Hongguang YUAN | 2021-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10991884 | Mask plate, OLED display substrate, display device and manufacturing method thereof | Yan Hu, Hongguang YUAN | 2021-04-27 |