Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198762 | Polyimide, composition for preparing polyimide, article including polyimide, and display device including the article | Hyunjeong JEON, Sun Jin SONG, Won Suk CHANG | 2021-12-14 |
| 11194080 | Diffractive optical element and device | Hyun-Seok Choi, Beom Seok Kim, Ju Hyun Kim, Hoon Song, Jung-kwuen An +2 more | 2021-12-07 |