Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8679648 | Heterocyclic compound and organic light-emitting diode including the same | Sang-Hyun Han, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Soo-Yon Kim +2 more | 2014-03-25 |
| 8623521 | Heterocyclic compound and organic light-emitting diode and flat display device including the heterocyclic compound | Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Sang-Hyun Han, Yoon-Hyun Kwak +4 more | 2014-01-07 |
| 8597801 | Heterocyclic compound, organic light-emitting device including the heterocyclic compound, and flat display device including the organic light-emitting device | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Sun-Young Lee, Hye-Jin Jung +3 more | 2013-12-03 |
| 8546793 | Organic light-emitting device | Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Jong-Hyuk Lee | 2013-10-01 |
| 8535814 | Heterocyclic compound and organic light emitting device including the same | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2013-09-17 |
| 8524380 | Heterocyclic compound and organic light-emitting device including the same | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee | 2013-09-03 |
| 8455866 | Heterocyclic compound and organic light-emitting device including the same | Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee | 2013-06-04 |
| 8455867 | Organic light-emitting device | Young-Kook Kim, Seok-Hwan Hwang, Hye-Jin Jung, Sang-Hyun Han, Yoon-Hyun Kwak +3 more | 2013-06-04 |
| 8431251 | Heterocyclic compound and organic light-emitting device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Sang-Hyun Han, Chang-Ho Lee +2 more | 2013-04-30 |
| 8431241 | Organic light-emitting device | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee | 2013-04-30 |
| 8399880 | Heteroarylamine compound and organic light-emitting device including the same | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2013-03-19 |
| 8389983 | Organic light emitting apparatus and method of manufacturing organic light emitting apparatus | Sang-Joon Seo, Kie Hyun Nam, Sung-Guk An, Jung-Woo Moon, Hyun Woo Koo | 2013-03-05 |
| 8384074 | Heterocyclic compound and organic light-emitting device including the same | Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee | 2013-02-26 |
| 8362470 | Organic light emitting device | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2013-01-29 |
| 8344365 | Organic light emitting device | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2013-01-01 |
| 8338000 | Organic light emitting device | Yoon-Hyun Kwak, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2012-12-25 |
| 8283057 | Heteroarylamine compound and organic light-emitting device including the same | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee | 2012-10-09 |
| 8203141 | Organic light-emitting device | Young-Kook Kim, Seok-Hwan Hwang, Yoon-Hyun Kwak, Hye-Jin Jung, Jong-Hyuk Lee +1 more | 2012-06-19 |