Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10651411 | Compound and organic light emitting device containing same | Yongbum Cha, Jin Joo Kim, Seong So Kim | 2020-05-12 |
| 10547008 | Organic light emitting device | Yongbum Cha, Sung Kil Hong, Seong So Kim | 2020-01-28 |