Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9647044 | Organic light-emitting diode array substrate and manufacturing method thereof, and display device | Hongfei Cheng | 2017-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9647044 | Organic light-emitting diode array substrate and manufacturing method thereof, and display device | Hongfei Cheng | 2017-05-09 |