Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730812 | Double spiro compound and organic light-emitting element comprising same | Yongbum Cha, Jin Joo Kim | 2020-08-04 |
| 10686138 | Compound and organic light emitting diode comprising same | Jae Seung HA, Wanpyo Hong | 2020-06-16 |