Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12433161 | Plurality of host materials and organic electroluminescent device comprising the same | So-Young JUNG, Su-Hyun LEE, Mi-Ja LEE, Sang-Hee CHO | 2025-09-30 |
| 12402531 | Multi-component host material and organic electroluminescent device comprising the same | Hee-Choon Ahn, Young Kwang Kim, Su-Hyun LEE, Seon-Woo Lee, Chi-Sik Kim +6 more | 2025-08-26 |
| 12289996 | Plurality of host materials and organic electroluminescent device comprising the same | So-Young JUNG, Su-Hyun LEE, Mi-Ja LEE, Sang-Hee CHO | 2025-04-29 |
| 12258352 | Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same | So-Young JUNG, Jin-Ri Hong, Sang-Hee CHO, Su-Hyun LEE, Du-Yong PARK +1 more | 2025-03-25 |
| 12262633 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Jin-Ri Hong, Du-Yong PARK, Young-Mook Lim | 2025-03-25 |
| 12256635 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Ji-Song JUN | 2025-03-18 |
| 12102001 | Organic electroluminescent compound, organic electroluminescent material comprising the same, and organic electroluminescent device | Young Kwang Kim, Hong-Se OH, Ji-Song JUN, Chi-Sik Kim, Kyoung-Jin Park | 2024-09-24 |
| 12049468 | Plurality of host materials and organic electroluminescent device comprising the same | Bitnari Kim, Su-Hyun LEE, Hyo-Soon PARK, Tae-Jun HAN, Sang-Hee CHO | 2024-07-30 |
| 12004420 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Su-Hyun LEE, Jin-Ri Hong, So-Young JUNG, Dong-Hyung LEE, Sang-Hee CHO | 2024-06-04 |
| 11950506 | Plurality of host materials and organic electroluminescent device comprising the same | So-Young JUNG, Su-Hyun LEE, Mi-Ja LEE, Sang-Hee CHO | 2024-04-02 |
| 11930704 | Organic electroluminescent device comprising an electron buffer layer and an electron transport layer | Hee-Choon Ahn, Sang-Hee CHO | 2024-03-12 |
| 11917907 | Organic electroluminescent device | Kyoung-Jin Park, Tae Jin LEE, Jae Hoon Shim, Yoo-Jin DOH, Hee-Choon Ahn +5 more | 2024-02-27 |
| 11844269 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Hong-Se OH, Tae Jin LEE, Young Kwang Kim, Young-Mook Lim, Jin-Ri Hong | 2023-12-12 |
| 11793075 | Plurality of host materials and organic electroluminescent device comprising the same | Bitnari Kim, Su-Hyun LEE, So-Young JUNG, Du-Yong PARK, Hae Yeon Kim +2 more | 2023-10-17 |
| 11785846 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Hong-Se OH, Young Kwang Kim | 2023-10-10 |
| 11737353 | Plurality of host materials and organic electroluminescent device comprising the same | Sang-Hee CHO, Bitnari Kim | 2023-08-22 |
| 11706984 | Plurality of host materials and organic electroluminescent device comprising the same | So-Young JUNG, Su-Hyun LEE, Mi-Ja LEE, Sang-Hee CHO | 2023-07-18 |
| 11653562 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Jin-Ri Hong, Du-Yong PARK, Young-Mook Lim | 2023-05-16 |
| 11588112 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Sang-Hee CHO | 2023-02-21 |
| 11552257 | Plurality of host materials and organic electroluminescent device comprising the same | Bitnari Kim, Su-Hyun LEE, Du-Yong PARK, So-Young JUNG, Hae Yeon Kim +1 more | 2023-01-10 |
| 11495750 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Bitnari Kim, Sang-Hee CHO | 2022-11-08 |
| 11322692 | Organic electroluminescent compound and organic electroluminescent device comprising the same | — | 2022-05-03 |
| 11316114 | Organic electroluminescent compound and organic electroluminescent device comprising the same | Sang-Hee CHO, Hong-Yeop Na, Zhengming Tang, Shaoguang Feng | 2022-04-26 |
| 11183640 | Organic electroluminescent device comprising electrontransport layer and electron buffer layer | Sang-Hee CHO | 2021-11-23 |
| 11107997 | Organic electroluminescent device comprising an electron buffer layer and an electron transport layer | Sang-Hee CHO | 2021-08-31 |