Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415814 | Heterocyclic compound and organic light emitting device comprising same | Yun-Ji Lee, Min-Ji PARK, Dong-Jun KIM | 2025-09-16 |
| 12415823 | Heterocyclic compound and organic light-emitting device comprising same | Gi-Back LEE, Yu-Jin HEO | 2025-09-16 |
| 12410186 | Compound, organic optoelectronic element, and display device | Nam-Jin LEE, Young Jin Lee | 2025-09-09 |
| 12404278 | Heterocyclic compound and organic light-emitting device comprising same | Yun-Ji Lee, Min-Ji PARK, Dong-Jun KIM | 2025-09-02 |
| 12404280 | Heterocyclic compound, and organic light-emitting element using same | Seong-Jong PARK, Hyun-Ju LA, Dong-Jun KIM | 2025-09-02 |
| 12338239 | Heterocyclic compound and organic light emitting diode comprising same | Gi-Back LEE, Hyun-Ju LA | 2025-06-24 |
| 12258353 | Heterocyclic compound and organic light-emitting element including same | Hyun-Ju LA, Hye-Su Ji | 2025-03-25 |
| 12252485 | Heterocyclic compound and organic light emitting device comprising same | Hye-Su Ji, Hyun-Ju LA, Dong-Jun KIM | 2025-03-18 |
| 12171143 | Compound, organic optoelectronic diode, and display device | Yun-Ji Lee, Min-Ji PARK | 2024-12-17 |
| 12101998 | Heterocyclic compound and organic light emitting diode comprising same | Min-Ji PARK, Yun-Ji Lee | 2024-09-24 |
| 12089493 | Heterocyclic compound and organic light emitting device comprising same | Nam-Jin LEE, Young Jin Lee | 2024-09-10 |
| 12077532 | Heterocyclic compound and organic light emitting diode comprising same | Ji-Young Kim, Han-Kook Oh | 2024-09-03 |
| 12049472 | Heterocyclic compound and organic light emitting device comprising same | Nam-Jin LEE, Young Jin Lee | 2024-07-30 |
| 11910712 | Compound, organic optoelectronic diode, and display device | Hye-Su Ji, Seong-Jong PARK | 2024-02-20 |
| 11891361 | Heterocyclic compound and organic light emitting device comprising same | Hyun-Ju LA, Seong-Jong PARK, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2024-02-06 |
| 11812623 | Hetero-cyclic compound and organic light emitting device using the same | Ji Un Kim, Yu-Jun Jung, Nam-Jin LEE, Jun-Tae MO | 2023-11-07 |
| 11678576 | Heterocyclic compound and organic light emitting element comprising same | Yun-Ji Lee, Han-Kook Oh, Hye-Su Ji, Jin-Seok Choi, Dae-Hyuk CHOI | 2023-06-13 |
| 11665961 | Heterocyclic compound and organic light emitting device using same | Hyun-Ju LA, Yu-Jin HEO, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2023-05-30 |
| 11563185 | Heterocyclic compound and organic light-emitting device comprising same | Nam-Jin LEE, Min-Ji PARK, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2023-01-24 |
| 11552255 | Heterocyclic compound and organic light-emitting element using same | Hyun-Ju LA, Yu-Jin HEO, Jin-Seok Choi, Dae-Hyuk CHOI, Joo-Dong Lee | 2023-01-10 |
| 11472817 | Heterocyclic compound and organic light-emitting device comprising same | Hyun-Ju LA, Yu-Jin HEO | 2022-10-18 |
| 11476425 | Heterocyclic compound and organic light emitting element comprising same | Han-Kook Oh, Yun-Ji Lee, Hye-Su Ji, Jin-Seok Choi, Dae-Hyuk CHOI | 2022-10-18 |
| 11434228 | Heterocyclic compound and organic light emitting device comprising same | Gi-Back LEE, Seong-Jong PARK, Ji-Young Kim, Jin-Seok Choi, Dae-Hyuk CHOI +1 more | 2022-09-06 |
| 11427562 | Heterocyclic compound, and organic light-emitting device using same | Han-Kook Oh, Jun-Tae MO, Yong-Geun JUNG, Jin-Seok Choi, Dae-Hyuk CHOI +1 more | 2022-08-30 |
| 11362282 | Heterocyclic compound and organic light emitting element comprising same | Hye-Su Ji, Han-Kook Oh, Yun-Ji Lee, Jin-Seok Choi, Dae-Hyuk CHOI | 2022-06-14 |