Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11615217 | Configuration update method for LED display screen, receiver card, LED display module, and LED display screen | Hanqing Deng, Changjin Shi | 2023-03-28 |
| 11561591 | LED display driven by dual-negative-voltage power supply | Boxue Xie, Changjin Shi | 2023-01-24 |