Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50440 | Organic light emitting display device | Ki-Woog Song, Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Jeong-Dae Seo +1 more | 2025-05-20 |
| 11005061 | Organic light emitting display device | Ki-Woog Song, Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Jeong-Dae Seo +1 more | 2021-05-11 |
| 10431765 | White organic light emitting diode and display including the same | Ji-Young Kim, Ki-Woog Song, Tae-Shick Kim, Min-Gyu Lee, Tae-Seok Lim | 2019-10-01 |
| 10347858 | White organic light emitting device | Ki-Woog Song, Sung-Hoon Pieh, Tae-Shick Kim, Se Ung Kim, Hyung June Kim | 2019-07-09 |
| 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 |
| 9825245 | Organic light emitting diode and organic light emitting display device using the same | Chang Wook Han, Jae-Man Lee, Se Ung Kim | 2017-11-21 |
| 9685622 | White organic light emitting device | Ki-Woog Song, Sung-Hoon Pieh, Tae-Shick Kim, Se Ung Kim, Hyung June Kim | 2017-06-20 |
| 9431626 | Organic light emitting display device | Chang Wook Han, Hong-Seok Choi, Sung-Hoon Pieh, Seok-Joon Oh, Ki-Woog Song | 2016-08-30 |
| 9425422 | Organic light emitting display device | Shin-Han Kim, Hwa-Kyung Kim, Hong-Seok Choi, Gwi-Jeong Cho, Mi-Young Han +4 more | 2016-08-23 |
| 9184405 | Organic light emitting display device | Ki-Woog Song, Sung-Hoon Pieh, Seok-Joon Oh, Dong Hyuk Kim, Seon-Keun YOO +1 more | 2015-11-10 |
| 8884274 | White organic light emitting device | Mi-Young Han, Chang-Je Sung, Shin-Han Kim | 2014-11-11 |