Inventor
KANG HEE-RYONG
KR28 patents
⚠️ This page may combine multiple inventors who share the name “KANG HEE-RYONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM & HAAS ELECT MATERIALS KOREA LTD
22 patentsUS9997723B2Jun 12, 2018
Organic electroluminescent compound and an organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD6 citations83
US11302874B2Apr 12, 2022
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD2 citations72
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
US10186669B2Jan 22, 2019
Organic electroluminescent compound and an organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD3 citations70
US10319918B2Jun 11, 2019
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD1 citations61
US12527219B2Jan 13, 2026
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations51
US12356856B2Jul 8, 2025
Plurality of host materials and 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
US9768394B2Sep 19, 2017
Organic electroluminescent compound and organic electroluminescent 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
US12520718B2Jan 6, 2026
Organic electroluminescent compound, a plurality of host materials and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US11788000B2Oct 17, 2023
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations50
US11963439B2Apr 16, 2024
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations49
US12084446B2Sep 10, 2024
Organic electroluminescent compound and organic electroluminescent device comprising the same
ROHM & HAAS ELECT MATERIALS KOREA LTD0 citations46
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
US10069087B2Sep 4, 2018
Organic electroluminescent compounds 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
LG DISPLAY CO LTD
5 patentsUS12545696B2Feb 10, 2026
Organic metal compound, organic light emitting diode and organic light emitting device having the compound
LG DISPLAY CO LTD0 citations60
US12484436B2Nov 25, 2025
Organic metal compound, organic light emitting diode and organic light emitting device having the compound
LG DISPLAY CO LTD0 citations60
US12540152B2Feb 3, 2026
Organic metal compound, organic light emitting diode and organic light emitting device having the compound
LG DISPLAY CO LTD0 citations50
US12446458B2Oct 14, 2025
Organometallic compound, organic light emitting diode and organic light emitting device including the organometallic compound
LG DISPLAY CO LTD0 citations50
US11814401B2Nov 14, 2023
Luminescent material and electroluminescent display device using the same
LG DISPLAY CO LTD0 citations48