Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9805656 | Organic light emitting display device, pixel circuit of the same and driving method thereof | Li Zhang | 2017-10-31 |
| 9570001 | Pixel circuit, display panel, display device and driving method | Li Zhang, Zhiyang Gao | 2017-02-14 |