Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9954192 | Blue organic electroluminescent device and preparation method thereof, display panel and display apparatus | — | 2018-04-24 |
| 9899621 | Organic light emitting diode and display device thereof | Chang Yen Wu, Ronggang Shangguan | 2018-02-20 |