Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9728728 | Compound and organic light-emitting device using same | Sung Kil Hong, Jungoh Huh, Seongmi Cho, Seong So Kim, Yongbum Cha | 2017-08-08 |
| 9691991 | Organic light emitting diode | Sung Kil Hong, Kongkyeom Kim, Jungi Jang, Minseung Chun | 2017-06-27 |