Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10411217 | OLED device and preparation method therefor and display apparatus | Ziyi Zhao, Jinzhong Zhang, Ninghao Quan | 2019-09-10 |
| 10392692 | Crucible for OLED evaporation source and manufacturing method thereof | Feng Liu, Kelei Liu | 2019-08-27 |
| 10260144 | Evaporation crucible and evaporation device | Ziyi Zhao | 2019-04-16 |