HA

Hee-Choon Ahn

RK Rohm And Haas Electronic Materials Korea: 13 patents #8 of 185Top 5%
DK Dupont Specialty Materials Korea: 2 patents #10 of 53Top 20%
📍 Suneung-ri, KR: #358 of 2,357 inventorsTop 20%
Overall (All Time): #309,753 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12402531 Multi-component host material and organic electroluminescent device comprising the same Young Kwang Kim, Doo-Hyeon Moon, Su-Hyun LEE, Seon-Woo Lee, Chi-Sik Kim +6 more 2025-08-26
12391875 Organic electroluminescent compounds and organic electroluminescent device comprising the same 2025-08-19
11930704 Organic electroluminescent device comprising an electron buffer layer and an electron transport layer Doo-Hyeon Moon, Sang-Hee CHO 2024-03-12
11917907 Organic electroluminescent device Kyoung-Jin Park, Tae Jin LEE, Jae Hoon Shim, Yoo-Jin DOH, Young Kwang Kim +5 more 2024-02-27
11807788 Organic electroluminescent compounds and organic electroluminescent device comprising the same 2023-11-07
11800796 Luminescent material for delayed fluorescence and organic electroluminescent device comprising the same Jeong-Hwan JEON, Hong-Yeop Na 2023-10-24
11527728 Organic electroluminescent compounds and organic electroluminescent device comprising the same 2022-12-13
11394000 Electron buffering materials, electron transport materials and organic electroluminescent device comprising the same Sang-Hee CHO 2022-07-19
10886474 Organic electroluminescent compound, and organic electroluminescent material and organic electroluminescent device comprising the same Doo-Hyeon Moon, Jeong-Eun Yang, Hee-Ryong Kang, Young-Mook Lim, Ji-Song JUN +4 more 2021-01-05
10633583 Organic electroluminescent compounds and an organic electroluminescent device comprising the same Su-Hyun LEE, Young-Mook Lim, Bitnari Kim, Tae Jin LEE 2020-04-28
10529933 Organic electroluminescent compounds and organic electroluminescent device comprising the same 2020-01-07
10319918 Organic electroluminescent compound and organic electroluminescent device comprising the same Hyun-Ju KANG, Hee-Ryong Kang, Young Gil Kim, Chi-Sik Kim, Seon-Woo Lee +3 more 2019-06-11
10069086 Plurality of host materials and an organic electroluminescence device comprising the same Bitnari Kim, Nam-Kyun Kim, Hong-Yeop Na, Tae Jin LEE, Kyung-Hoon Choi +9 more 2018-09-04
9768394 Organic electroluminescent compound and organic electroluminescent device comprising the same Hyun-Ju KANG, Hee-Ryong Kang, Young Gil Kim, Chi-Sik Kim, Seon-Woo Lee +3 more 2017-09-19
9287512 Organic electroluminescent compounds, layers and organic electroluminescent device using the same Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Seok-Keun Yoon, Doo-Hyeon Moon +6 more 2016-03-15