Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11121349 | Method for manufacturing an organic electroluminescence display device having separate hole blocking layers | — | 2021-09-14 |
| 10317792 | Mask plate | Chunlai SONG | 2019-06-11 |