Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10411217 | OLED device and preparation method therefor and display apparatus | Fengwei Pei, Jinzhong Zhang, Ninghao Quan | 2019-09-10 |
| 10260144 | Evaporation crucible and evaporation device | Fengwei Pei | 2019-04-16 |