Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10431776 | White organic light emitting diode and display device using the same | Ki-Woog Song, Seung-Ryong Joung, Tae-Il Kum, So Yeon Ahn, Tae-Shick Kim | 2019-10-01 |
| 10355231 | Organic light emitting display device | Chang Wook Han, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2019-07-16 |
| 10347858 | White organic light emitting device | Ki-Woog Song, Youn-Seok Kam, Tae-Shick Kim, Se Ung Kim, Hyung June Kim | 2019-07-09 |
| 10177330 | Organic light emitting display device with two emission portions | Chang Wook Han, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2019-01-08 |