Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11967608 | Pixel integrate scanning (PIS) distributed type automatic power-saving electronic display board | Seong Jun Ha, Hyun-Jun Ha | 2024-04-23 |
| 11735104 | Electronic display board for controlling 4 way dual scanning in which gray scale pixel (GSP) is applied to dynamic image correction technology (DICT) | Deok Sook Won, Seok Moo Jung, Ok Jun Jang, Hyun-Jun Ha, Byung Yun Jin | 2023-08-22 |
| 11694611 | Four-way dual scanning electronic display board capable of scan control | Deok Sook Won, Jong Yuap Won, Seong Jun Ha | 2023-07-04 |
| 10699630 | LED electronic bulletin board enabling high-speed image calibration | Sung Jun Ha | 2020-06-30 |
| 8941698 | LED electronic sign board capable of power-saving per pixel line | — | 2015-01-27 |