Inventor
KIM KONGKYEOM
KR36 patents
⚠️ This page may combine multiple inventors who share the name “KIM KONGKYEOM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG CHEMICAL LTD
32 patentsUS6383666B1May 7, 2002
Organometallic complex and organic electroluminescent device using the same
LG CHEMICAL LTD49 citations90
US9391281B2Jul 12, 2016
Heterocyclic compound and organic electronic element containing same
LG CHEMICAL LTD9 citations83
US9331287B2May 3, 2016
Organic light emitting diode
LG CHEMICAL LTD5 citations73
US9882146B2Jan 30, 2018
Heterocyclic compound and organic electronic element containing same
LG CHEMICAL LTD4 citations72
US9698358B2Jul 4, 2017
Nitrogen-containing polycyclic compound and organic electroluminescent device using the same
LG CHEMICAL LTD2 citations72
US9691991B2Jun 27, 2017
Organic light emitting diode
LG CHEMICAL LTD4 citations72
US10003030B2Jun 19, 2018
Heterocyclic compound and organic light emitting device comprising same
LG CHEMICAL LTD2 citations71
US11618757B2Apr 4, 2023
Polycyclic compound and organic light emitting element comprising same
LG CHEMICAL LTD2 citations70
US11530225B2Dec 20, 2022
Compound and organic light-emitting diode comprising same
LG CHEMICAL LTD1 citations62
US11367838B2Jun 21, 2022
Anthracene derivative and organic light-emitting device comprising same
LG CHEMICAL LTD0 citations62
US11177444B2Nov 16, 2021
Organic electroluminescent device
LG CHEMICAL LTD0 citations62
US11111231B2Sep 7, 2021
Heterocyclic compound and organic light-emitting device comprising same
LG CHEMICAL LTD0 citations62
US10253016B2Apr 9, 2019
Heterocyclic compound and organic light-emitting device comprising same
LG CHEMICAL LTD1 citations62
US8846215B2Sep 30, 2014
Organic light-emitting diode and method for manufacturing same
LG CHEMICAL LTD2 citations62
US11489122B1Nov 1, 2022
Compound and organic light emitting device comprising same
LG CHEMICAL LTD1 citations61
US12495717B2Dec 9, 2025
Amine compound and organic light emitting diode comprising same
LG CHEMICAL LTD0 citations52
US11667626B2Jun 6, 2023
Compound and organic light-emitting device comprising same
LG CHEMICAL LTD0 citations52
US11997925B2May 28, 2024
Cyclic compound and organic light emitting device comprising same
LG CHEMICAL LTD0 citations51
US11950505B2Apr 2, 2024
Carbazole-based compound and organic light emitting diode comprising same
LG CHEMICAL LTD0 citations51
US11812658B2Nov 7, 2023
Compound and organic light emitting diode comprising same
LG CHEMICAL LTD0 citations51
US11581496B2Feb 14, 2023
Benzocarbazole-based compound and organic light-emitting device comprising same
LG CHEMICAL LTD0 citations51
US11192884B2Dec 7, 2021
Heterocyclic compound and organic light-emitting device comprising same
LG CHEMICAL LTD0 citations51
US10580998B2Mar 3, 2020
Nitrogen-containing condensed cyclic compound and organic light emitting device using same
LG CHEMICAL LTD0 citations51
US10347845B2Jul 9, 2019
Nitrogen-containing condensed cyclic compound and organic light emitting device using same
LG CHEMICAL LTD0 citations51
US9412954B2Aug 9, 2016
Heterocyclic compound and organic electronic element containing same
LG CHEMICAL LTD0 citations51
US12239016B2Feb 25, 2025
Organic light emitting element
LG CHEMICAL LTD0 citations50
US12157724B2Dec 3, 2024
Compound and organic light emitting device comprising the same
LG CHEMICAL LTD0 citations50
US12060372B2Aug 13, 2024
Compound and organic light emitting device comprising the same
LG CHEMICAL LTD0 citations50
US11201293B2Dec 14, 2021
Heterocyclic compound and organic light-emitting device comprising same
LG CHEMICAL LTD0 citations50
US11974497B2Apr 30, 2024
Compound and organic electronic element comprising same
LG CHEMICAL LTD0 citations47
US10035765B2Jul 31, 2018
Nitrogen-containing polycyclic compound and organic light emitting device using same
LG CHEMICAL LTD0 citations41
US10680182B2Jun 9, 2020
Fluoranthene compound, and organic electronic device comprising same
LG CHEMICAL LTD0 citations40