Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11086228 | Mask, device and method for exposure | Long Zhen, Qiang Li, Delong Wang, Zecheng LI | 2021-08-10 |
| 10921635 | Display substrate, manufacturing method thereof, display device and mask | Long Zhen, Heewoong KIM, Mingqian HAO, Jianjun Li, Zecheng LI +1 more | 2021-02-16 |