Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415823 | Heterocyclic compound and organic light-emitting device comprising same | Gi-Back LEE, Won-Jang JEONG | 2025-09-16 |
| 11665961 | Heterocyclic compound and organic light emitting device using same | Hyun-Ju LA, Won-Jang JEONG, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2023-05-30 |
| 11552255 | Heterocyclic compound and organic light-emitting element using same | Hyun-Ju LA, Won-Jang JEONG, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2023-01-10 |
| 11472817 | Heterocyclic compound and organic light-emitting device comprising same | Hyun-Ju LA, Won-Jang JEONG | 2022-10-18 |
| 9109784 | LED-based lighting apparatus with heat pipe cooling structure | Su Woon LEE, Seung Ki Kim, Jung Hwa Kim, Seon Min Park, Hwi Seok Yang | 2015-08-18 |