Inventor
KIM BITNARI
KR25 patents
Patents
25 patentsUS9997723B2Jun 12, 2018
Organic electroluminescent compound and an organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD6 citations83
US11283028B2Mar 22, 2022
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD2 citations72
US10886474B2Jan 5, 2021
Organic electroluminescent compound, and organic electroluminescent material and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD3 citations72
US9997724B2Jun 12, 2018
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD4 citations72
US9859507B2Jan 2, 2018
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD2 citations72
US9806271B2Oct 31, 2017
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD2 citations72
US10454044B2Oct 22, 2019
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD1 citations61
US11130747B2Sep 28, 2021
Plurality of host materials and an organic electroluminescence device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD1 citations60
US12581851B2Mar 17, 2026
Organic electroluminescent device
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations51
US11737353B2Aug 22, 2023
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations51
US11495750B2Nov 8, 2022
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations51
US10633583B2Apr 28, 2020
Organic electroluminescent compounds and an organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations51
US10069086B2Sep 4, 2018
Plurality of host materials and an organic electroluminescence device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD1 citations51
US9698355B2Jul 4, 2017
Organic electroluminescent compounds and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD1 citations51
US12588353B2Mar 24, 2026
Plurality of host materials, organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US12082496B2Sep 3, 2024
Composition material for organic electroluminescent device, plurality of host materials, and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US12049468B2Jul 30, 2024
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US11856850B2Dec 26, 2023
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US11793075B2Oct 17, 2023
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US11552257B2Jan 10, 2023
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US12389794B2Aug 12, 2025
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations49
US11708328B2Jul 25, 2023
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations49
US10749119B2Aug 18, 2020
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations41
US10490752B2Nov 26, 2019
Plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations41
US9935274B2Apr 3, 2018
Substituted 12H-indolo[2,3-b]quinoxalino[2′,3′:4,5]pyrrolo[3,2,1-jk]carbazoles as organic electroluminescent materials
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations41