Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759802 | Compound, preparation method thereof and organic light emitting display device | Zhengchuan Zhang, Defeng Bi | 2020-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759802 | Compound, preparation method thereof and organic light emitting display device | Zhengchuan Zhang, Defeng Bi | 2020-09-01 |