Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107488 | Flexible LED substrate device | Chang Hwan Song | 2018-10-23 |
| 9395068 | Flexible LED light source panel, and flexible LED lighting device for taking image by using the same panel | Chang Hwan Song | 2016-07-19 |