Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519166 | Heterocyclic compound and organic light emitting device comprising the same | Wanpyo Hong, Dongheon Kim, Hyoungcheul Kim, Yun Hwan Kim | 2019-12-31 |
| 10421721 | Heterocyclic compound and organic light emitting device comprising same | Jin Joo Kim, Sung Kil Hong, Sang Duk SUH | 2019-09-24 |
| 10230056 | Heterocyclic compound and organic light emitting element comprising same | Seongmi Cho, Jin Joo Kim | 2019-03-12 |
| 10193076 | Amine compound and organic light emitting element comprising same | Sung Kil Hong, Jin Joo Kim | 2019-01-29 |