Issued Patents All Time
Showing 26–50 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11239425 | Organic light emitting device | Sang Duk SUH, Seong So Kim | 2022-02-01 |
| 11211563 | Organic light emitting device | Sang Duk SUH, Seong So Kim | 2021-12-28 |
| 11165025 | Compound and organic electronic element comprising same | Sang Duk SUH, Yongbum Cha, Dongheon Kim | 2021-11-02 |
| 11081650 | Spiro compound and organic light-emitting element comprising same | Yongbum Cha, Jin Joo Kim, Sang Duk SUH | 2021-08-03 |
| 11069858 | Amine-based compound and organic light emitting device comprising same | Sung Jae Lee, Jae Seung HA | 2021-07-20 |
| 11050026 | Spiro compound and organic light-emitting element comprising same | Yongbum Cha, Jin Joo Kim, Sang Duk SUH | 2021-06-29 |
| 11031560 | Compound and organic electronic element comprising same | Yongbum Cha, Hyok Joon Kwon, Minjun KIM | 2021-06-08 |
| 11001752 | Double spiro organic compound and organic electronic element comprising same | Yongbum Cha, Seongmi Cho | 2021-05-11 |
| 10995098 | Heterocyclic compound and organic light emitting device comprising the same | Sang Duk SUH, Kyung-Seok Jeong | 2021-05-04 |
| 10991887 | Amine compound and organic light-emitting device comprising same | Jae Seung HA, Sang Duk SUH | 2021-04-27 |
| 10991886 | Amine-based compound and organic light emitting device comprising same | Yongbum Cha, Jin Joo Kim | 2021-04-27 |
| 10968230 | Spiro-structured compound and organic electronic device comprising same | Yongbum Cha, Jungbum Kim, Dong Uk Heo, Sung Jae Lee | 2021-04-06 |
| 10957857 | Multicyclic compound and organic light emitting device including the same | Yongbum Cha, Sang Young Jeon, Sung Jae Lee | 2021-03-23 |
| 10950801 | Organic light-emitting device | Jungoh Huh, Sangbin Lee | 2021-03-16 |
| 10910567 | Double spiro-type compound and organic light emitting diode comprising same | Jae Seung HA, Sang Duk SUH | 2021-02-02 |
| 10873035 | Heterocyclic compound and organic light emitting diode containing same | Yongbum Cha, Seongmi Cho, Jungbum Kim, Jiwon Kwak | 2020-12-22 |
| 10862045 | Amine-based compound and organic light-emitting element comprising same | Yongbum Cha, Jungbum Kim, Jin Joo Kim | 2020-12-08 |
| 10822330 | Heterocyclic compound and organic light emitting diode containing same | Yongbum Cha, Seongmi Cho, Jungbum Kim, Jiwon Kwak | 2020-11-03 |
| 10800969 | Heterocyclic compound and organic light emitting element comprising same | Yongbum Cha, Seongmi Cho, Jungbum Kim, Sung Jae Lee | 2020-10-13 |
| 10700289 | Heterocyclic compound and organic light emitting element comprising same | Miyeon Han, Dong Hoon Lee, Hyungjin Lee, Boojae Jang, Minyong Kang +2 more | 2020-06-30 |
| 10577355 | Hetero ring compound and organic luminescent element comprising same | Jin Joo Kim, Yongbum Cha | 2020-03-03 |
| 10580996 | Polycyclic compound and organic light-emitting element comprising same | Yongbum Cha, Wanpyo Hong | 2020-03-03 |
| 10573824 | Compound and organic electronic element comprising same | Yongbum Cha, Kichul Koo | 2020-02-25 |
| 10547008 | Organic light emitting device | Yongbum Cha, Seong So Kim, Jemin Ryu | 2020-01-28 |
| 10421721 | Heterocyclic compound and organic light emitting device comprising same | Yongbum Cha, Jin Joo Kim, Sang Duk SUH | 2019-09-24 |