Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50440 | Organic light emitting display device | Ki-Woog Song, Hong-Seok Choi, Sung-Hoon Pieh, Jeong-Dae Seo, Seok-Joon Oh +1 more | 2025-05-20 |
| 11223026 | Organic light emitting display panel and method of manufacturing the same | Jeong-Dae Seo, Yoon-Heung Tak, Hyo-Seok Kim | 2022-01-11 |
| 11005061 | Organic light emitting display device | Ki-Woog Song, Hong-Seok Choi, Sung-Hoon Pieh, Jeong-Dae Seo, Seok-Joon Oh +1 more | 2021-05-11 |
| 10985338 | Organic light emitting display device | Sung-Hoon Pieh, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2021-04-20 |
| 10818862 | Organic light emitting display device | Sung-Hoon Pieh, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2020-10-27 |
| 10586939 | Organic light emitting display device | Sung-Hoon Pieh, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2020-03-10 |
| 10516128 | White organic light emitting device | Mi-Young Han, Tae-Il Kum, Gwi-Jeong Cho, Tae-Shick Kim, Se Ung Kim +1 more | 2019-12-24 |
| RE47544 | Organic light emitting display device and method of manufacturing the same | Hwa-Kyung Kim, Byung Chul Ahn, Woo Jin Nam, Hong-Seok Choi, Yoon-Heung Tak +1 more | 2019-07-30 |
| 10355231 | Organic light emitting display device | Sung-Hoon Pieh, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2019-07-16 |
| 10177330 | Organic light emitting display device with two emission portions | Sung-Hoon Pieh, Hong-Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim | 2019-01-08 |
| 10157966 | Organic light emitting display device | Youn-Seok Kam, 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 | Youn-Seok Kam, Jae-Man Lee, Se Ung Kim | 2018-10-09 |
| 10038157 | White organic light emitting device | So Yeon Ahn, Hong-Seok Choi, Seung-Ryong Joung, Jung Soo Park, Min-Gyu Lee | 2018-07-31 |
| 9972805 | Organic light emitting display panel and method of manufacturing the same | Jeong-Dae Seo, Yoon-Heung Tak, Hyo-Seok Kim | 2018-05-15 |
| 9960379 | White organic light emitting device | Mi-Young Han, Tae-Il Kum, Gwi-Jeong Cho, Tae-Shick Kim, Se Ung Kim +1 more | 2018-05-01 |
| 9825245 | Organic light emitting diode and organic light emitting display device using the same | Youn-Seok Kam, Jae-Man Lee, Se Ung Kim | 2017-11-21 |
| 9806276 | Organic light emitting display apparatus | Younseok Kam, Hongseok Choi, SoYeon Ahn, Taeshick Kim, Mingyu Lee | 2017-10-31 |
| 9711747 | White organic light emitting device | Mi-Young Han, Tae-Il Kum, Gwi-Jeong Cho, Tae-Shick Kim, Se Ung Kim +1 more | 2017-07-18 |
| 9705102 | White organic light emitting device | So Yeon Ahn, Hong-Seok Choi, Seung-Ryong Joung, Jung Soo Park, Min-Gyu Lee | 2017-07-11 |
| 9496511 | Organic semiconductor thin film transistor and method of fabricating the same | — | 2016-11-15 |
| 9444066 | Organic electroluminescent device and organic electroluminescent display device | So Yeon Ahn, Hong-Seok Choi, Seung-Ryong Joung, Gwi-Jeong Cho, Hee-Dong Choi | 2016-09-13 |
| 9431626 | Organic light emitting display device | Youn-Seok Kam, Hong-Seok Choi, Sung-Hoon Pieh, Seok-Joon Oh, Ki-Woog Song | 2016-08-30 |
| 9431614 | Organic light emitting device | Jeong-Dae Seo, Yoon-Heung Tak, Hyo-Seok Kim, Eun Ju Jeon, Hye-Seung Kang | 2016-08-30 |
| 9224965 | Organic thin film transistor and method for manufacturing the same | Jae Yoon Lee | 2015-12-29 |
| 9178169 | Organic semiconductor thin film transistor and method of fabricating the same | — | 2015-11-03 |