Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10727420 | Compound and organic light-emitting device including the same | Soobyung Ko, Haejin Kim, Youngkook Kim, Seokhwan Hwang | 2020-07-28 |
| 10696697 | Heterocyclic compound and organic electroluminescence device including the same | Heechoon Ahn, Soo-Byung KO, Sungbum Kim, Mina Jeon, Youngkook Kim +1 more | 2020-06-30 |
| 10640522 | Heterocyclic compound and organic light-emitting device including the same | Heechoon Ahn, Soobyung Ko, Sungbum Kim, Mina Jeon, Youngkook Kim +1 more | 2020-05-05 |
| 10439149 | Compound and organic light-emitting device including the same | Haejin Kim, Soobyung Ko, Youngkook Kim, Seokhwan Hwang | 2019-10-08 |
| 10428090 | Condensed-cyclic compound and organic light-emitting device comprising the same | Soobyung Ko, Haejin Kim, Youngkook Kim, Seokhwan Hwang | 2019-10-01 |
| 10388889 | Substituted phosphines as components of organic light-emitting devices | Heechoon Ahn, Soobyung Ko, Youngkook Kim, Seokhwan Hwang | 2019-08-20 |
| 10147884 | Organic light-emitting device | Haejin Kim, Youngkook Kim, Seokhwan Hwang | 2018-12-04 |
| 10121974 | Condensed-cyclic compound and organic light-emitting device comprising the same | Sooyon Kim, Youngkook Kim, Seokhwan Hwang, Seunggak Yang | 2018-11-06 |
| 9966535 | Organic light-emitting device | Hyejin Jung, Seokhwan Hwang, Sanghyun Han | 2018-05-08 |
| 9923147 | Organic light emitting device | Haejin Kim, Youngkook Kim, Seokhwan Hwang | 2018-03-20 |
| 9887372 | Amine-based compound and organic light-emitting device including the same | Soobyung Ko, Haejin Kim, Youngkook Kim, Seokhwan Hwang | 2018-02-06 |
| 9793491 | Compound and organic light-emitting device including the same | Seokhwan Hwang, Hyejin Jung, Youngkook Kim | 2017-10-17 |
| 9741939 | Condensed cyclic compound and organic light-emitting device including the same | Youngkook Kim, Kwanghyun Kim, Jongwoo Kim, Seokhwan Hwang | 2017-08-22 |