Issued Patents All Time
Showing 1–25 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12289990 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2025-04-29 |
| 11950501 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2024-04-02 |
| 11482678 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2022-10-25 |
| 11056654 | Carbazole-based compound and organic light emitting device including the same | Myeong-Suk Kim, Soung-Wook Kim, Jae Hong Kim, Moon-Jae Lee | 2021-07-06 |
| 10573821 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2020-02-25 |
| 10361380 | Heterocyclic compound and organic light-emitting device including the same | So Yeon Kim, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi +1 more | 2019-07-23 |
| 10297756 | Organic light-emitting diode | Ji-Youn Lee, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi +1 more | 2019-05-21 |
| 10249824 | Condensed-cyclic compound and organic light-emitting diode comprising the same | Bum-Woo Park, Sun-Young Lee, Se-Jin Cho | 2019-04-02 |
| 10224487 | Organic light-emitting device | Jong-Won Choi, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So Yeon Kim +1 more | 2019-03-05 |
| 10211406 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2019-02-19 |
| 9997728 | Organometallic compound and organic light-emitting device including the same | Jong-Won Choi, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So Yeon Kim +1 more | 2018-06-12 |
| 9917258 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2018-03-13 |
| 9893301 | Heterocyclic compounds and organic light-emitting devices including the same | Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi, So Yeon Kim +2 more | 2018-02-13 |
| 9799839 | Organometallic compound and organic light-emitting diode comprising the same | Jong-Won Choi, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So Yeon Kim +1 more | 2017-10-24 |
| 9761808 | Heterocyclic compound and organic light-emitting device comprising the same | Sun-Young Lee, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, So Yeon Kim +1 more | 2017-09-12 |
| 9722182 | Heterocyclic compound and organic light-emitting device including the same | Sun-Young Lee, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, So Yeon Kim +1 more | 2017-08-01 |
| 9691992 | Organic light-emitting diode | Jong-Won Choi, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So Yeon Kim +1 more | 2017-06-27 |
| 9595683 | Organometallic compounds and organic light emitting devices including the same | Jong-Won Choi, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, So Yeon Kim +1 more | 2017-03-14 |
| 9590184 | Organic light-emitting diode | Sun-Young Lee, Bum-Woo Park, Jong-Won Choi, Wha-II CHOI, So Yeon Kim +1 more | 2017-03-07 |
| 9525144 | Organic light-emitting diode | Sun-Young Lee, Bum-Woo Park, Jong-Won Choi, Wha-Il Choi, So Yeon Kim +1 more | 2016-12-20 |
| 9478754 | Phenylcarbazole-based compounds and fluorene-based compounds and organic light emitting device and flat panel display device comprising the same | Seok-Hwan Hwang, Young-Kook Kim, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun | 2016-10-25 |
| 9455409 | Amine-based compound and organic light emitting device including the same | Ji-Youn Lee, Bum-Woo Park, Sun-Young Lee, Jong-Won Choi, Wha-Il Choi +1 more | 2016-09-27 |
| 9425410 | Organic light-emitting diode | So Yeon Kim, Bum-Woo Park, Sun-Young Lee, Wha-Il Choi, Jong-Won Choi +1 more | 2016-08-23 |
| 9416107 | Heterocyclic compound and organic light-emitting device including the same | Sun-Young Lee, Bum-Woo Park, Hee-Joo Ko, Jong-Hyuk Lee | 2016-08-16 |
| 9403795 | Carbazole-based compound and organic light-emitting diode comprising the same | Sun-Young Lee, Bum-Woo Park, Dae-Yup Shin, Kwan-Hee Lee, Hye-In Jeong +2 more | 2016-08-02 |