Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10873035 | Heterocyclic compound and organic light emitting diode containing same | Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Kil Hong | 2020-12-22 |
| 10822330 | Heterocyclic compound and organic light emitting diode containing same | Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Kil Hong | 2020-11-03 |
| 10781366 | Spiro compound and organic light-emitting device comprising same | Jae Seung HA, Jin Joo Kim | 2020-09-22 |
| 10738034 | Spiro compound and organic light-emitting device comprising same | Jae Seung HA, Dong Uk Heo | 2020-08-11 |