Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250882 | Deuterium-containing compound, and organic light-emitting device comprising same | Hongsik Yoon, Wanpyo Hong, Dong Hoon Lee, Moung Gon KIM | 2025-03-11 |
| 12180177 | Compound and organic light emitting diode comprising same | Hongsik Yoon, Wanpyo Hong, Dong Hoon Lee, Su Jin Han, Seulchan PARK | 2024-12-31 |
| 12116379 | Compound and organic light emitting diode comprising same | Sihyun Han, Sang Young Jeon, Wanpyo Hong, Sujeong GEUM, Kyunghee Kim | 2024-10-15 |
| 12041848 | Heterocyclic compound and organic light emitting element comprising same | Yongbum Cha, Seongmi Cho | 2024-07-16 |
| 11895915 | Organic light emitting diode and organic light emitting device having the same | Hyong-Jong Choi, Tae-Ryang HONG, Joong-Hwan Yang, Jun-Yun KIM, Wan-Pyo Hong +1 more | 2024-02-06 |
| 11878962 | Compound and organic light emitting device comprising same | Dong Uk Heo, Dong Hoon Lee, Jungoh Huh, Yongbum Cha, Wanpyo Hong | 2024-01-23 |
| 11858947 | Heterocyclic compound and organic light emitting device including the same | Minjun KIM, Wanpyo Hong, Dong Hoon Lee | 2024-01-02 |
| 11856853 | Organic compound, organic light emitting diode and organic light emitting device including the compound | Hyong-Jong Choi, Bo-Min Seo, Ik-Rang Choe, Hye-Gun RYU | 2023-12-26 |
| 11802124 | Compound and organic light emitting diode comprising same | Hongsik Yoon, Wanpyo Hong, Dong Hoon Lee, Min Woo Jung, Jungha LEE | 2023-10-31 |
| 11718606 | Polycyclic compound and organic light emitting element comprising same | Yongbum Cha, Sung Kil Hong, Seong So Kim | 2023-08-08 |
| 11683982 | Organic compound having excellent thermal resistance property and luminescent property, organic light emitting diode and organic light emitting device having the compound | Jun-Yun KIM, Tae-Ryang HONG, Joong-Hwan Yang, Wan-Pyo Hong, Hong-Sik Yoon | 2023-06-20 |
| 11634430 | Heterocyclic compound and organic light emitting element comprising same | Kyung-Seok Jeong, Minseung Chun, Wanpyo Hong, Hongsik Yoon, Joongsuk OH | 2023-04-25 |
| 11588113 | Organic light emitting diode and organic light emitting device having the same | Tae-Ryang HONG, Hyong-Jong Choi, Jun-Yun KIM, Wan-Pyo Hong, Hong-Sik Yoon | 2023-02-21 |
| 11502261 | Compound and organic light emitting device using the same | Wanpyo Hong, Min-Seung Chun, Kyung-Seok Jeong, Ok-Keun Song, Hongsik Yoon | 2022-11-15 |
| 11482677 | Compound and organic electronic device comprising same | Yongbum Cha, Sung Kil Hong, Jungoh Huh | 2022-10-25 |
| 11366639 | Apparatus and method for generating quantum random number | Kyung Hwan Park, Tae-Wook Kang, Jong-Bum Kim, Seong Mo Park, Kwang Jae Son +4 more | 2022-06-21 |
| 11208368 | Double-spiro type compound and organic light-emitting device containing same | Yongbum Cha | 2021-12-28 |
| 11081650 | Spiro compound and organic light-emitting element comprising same | Yongbum Cha, Sung Kil Hong, Sang Duk SUH | 2021-08-03 |
| 11050026 | Spiro compound and organic light-emitting element comprising same | Yongbum Cha, Sung Kil Hong, Sang Duk SUH | 2021-06-29 |
| 10991886 | Amine-based compound and organic light emitting device comprising same | Yongbum Cha, Sung Kil Hong | 2021-04-27 |
| 10981876 | Spiro compound and organic light emitting element comprising same | Yongbum Cha, Sang Duk SUH | 2021-04-20 |
| 10983434 | Photoresist composition for deep ultraviolet light patterning method and method of manufacturing semiconductor device | Jeong-ho Mun, Suk Koo HONG, Gum-hye Jeon | 2021-04-20 |
| 10862045 | Amine-based compound and organic light-emitting element comprising same | Yongbum Cha, Sung Kil Hong, Jungbum Kim | 2020-12-08 |
| 10816710 | Polarizing plate for light emitting display device and light emitting display device including same | Ri Ra Jung, Eun Hwan Jeong, Dong Yoon Shin, Mun Bo Ko, Na Young Kim +4 more | 2020-10-27 |
| 10781366 | Spiro compound and organic light-emitting device comprising same | Jae Seung HA, Jiwon Kwak | 2020-09-22 |