Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10157966 | Organic light emitting display device | Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Seok-Joon Oh, Ki-Woog Song | 2018-12-18 |
| 10096791 | Organic light emitting diode and organic light emitting display device using the same | Chang Wook Han, Jae-Man Lee, Se Ung Kim | 2018-10-09 |
| 9966551 | White organic light emitting device | Ki-Woog Song, Sung-Hoon Pieh, Tae-Shick Kim, Se Ung Kim, Hyung June Kim | 2018-05-08 |