Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12156460 | Method and apparatus for manufacturing organic light emitting diode for lighting | — | 2024-11-26 |
| 9954049 | Circular display device and manufacturing method therefor | Kee-Yong Oh, Il Ho Park, Chung-Hyoun Gyoung | 2018-04-24 |
| 9425423 | Screen for displaying information for an optical device | Il Ho Park, Kwang Hoon Jun | 2016-08-23 |
| 8513885 | Front light unit | Seung Hwan Paek, Chung-Hyoun Gyoung, Tae Su Kim, Hui Chul An | 2013-08-20 |