Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9136478 | Organic light emitting device and display panel using the same method, terminal, and server for implementing fast playout | Jeong-Dae Seo | 2015-09-15 |
| 8912534 | Tandem white organic light emitting device | Sung-Hoon Pieh, Chang Wook Han, Hong-Seok Choi, Hyung June Kim | 2014-12-16 |
| 8847216 | Organic light emitting display device | Hwa-Kyung Kim, Chang Wook Han, Do Hyung Kim, Hongseok Choi, Yoon-Heung Tak +3 more | 2014-09-30 |
| 8829504 | White organic light emitting device | Sung-Hoon Pieh | 2014-09-09 |
| 8796676 | Tandem white organic light emitting device | Sung-Hoon Pieh, Chang Wook Han, Hong-Seok Choi, Jeong-Dae Seo | 2014-08-05 |
| 8735873 | Organic light emitting diode | Sunghoon Pieh | 2014-05-27 |