Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10620354 | Phase difference film and display device | Hyunseok CHOI, Sangah GAM | 2020-04-14 |
| 10551674 | Optical film and liquid crystal display | Sangah GAM, Hyung Jun Kim, Jong Hoon Won, Myungsup Jung, Jong Hyuk Eun | 2020-02-04 |