P

Inventor

KIM DONGHEON

KR36 patents
⚠️ This page may combine multiple inventors who share the name “KIM DONGHEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LG CHEMICAL LTD

29 patents
US9540374B2Jan 10, 2017

Nitrogen-containing heterocyclic compounds and organic electronic device comprising the same

LG CHEMICAL LTD6 citations83
US11877464B2Jan 16, 2024

Organic light emitting element

LG CHEMICAL LTD3 citations72
US10727430B2Jul 28, 2020

Organic light emitting diode

LG CHEMICAL LTD3 citations72
US9673403B2Jun 6, 2017

Heterocyclic compound and organic light emitting device using the same

LG CHEMICAL LTD2 citations72
US9614161B2Apr 4, 2017

Compound and organic electronic element using same

LG CHEMICAL LTD5 citations72
US10916724B2Feb 9, 2021

Organic light emitting device

LG CHEMICAL LTD2 citations71
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
US9203033B2Dec 1, 2015

Nitrogen-containing heterocyclic compounds and organic electronic device comprising the same

LG CHEMICAL LTD3 citations63
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
US11489122B1Nov 1, 2022

Compound and organic light emitting device comprising same

LG CHEMICAL LTD1 citations61
US10790453B2Sep 29, 2020

Compounds and organic electronic device using the same

LG CHEMICAL LTD1 citations61
US12415801B2Sep 16, 2025

Organic light-emitting device

LG CHEMICAL LTD0 citations52
US12225818B2Feb 11, 2025

Organic light-emitting device

LG CHEMICAL LTD0 citations52
US11856852B2Dec 26, 2023

Organic light-emitting device

LG CHEMICAL LTD0 citations52
US11165025B2Nov 2, 2021

Compound and organic electronic element comprising same

LG CHEMICAL LTD0 citations52
US9299935B2Mar 29, 2016

Nitrogen-containing heterocyclic compounds and organic electronic device comprising the same

LG CHEMICAL LTD1 citations52
US12563964B2Feb 24, 2026

Organic light-emitting device

LG CHEMICAL LTD0 citations51
US11950504B2Apr 2, 2024

Polycyclic compound and organic light emitting diode comprising same

LG CHEMICAL LTD0 citations51
US9221820B2Dec 29, 2015

Heterocyclic compound and organic light emitting device using the same

LG CHEMICAL LTD1 citations51
US12522764B2Jan 13, 2026

Compound and organic light emitting device comprising same

LG CHEMICAL LTD0 citations50
US12239016B2Feb 25, 2025

Organic light emitting element

LG CHEMICAL LTD0 citations50
US12133455B2Oct 29, 2024

Polycyclic compound and organic light emitting diode comprising same

LG CHEMICAL LTD0 citations50
US12006336B2Jun 11, 2024

Polycyclic compound and organic light-emitting device comprising same

LG CHEMICAL LTD0 citations50
US11201293B2Dec 14, 2021

Heterocyclic compound and organic light-emitting device comprising same

LG CHEMICAL LTD0 citations50
US10519166B2Dec 31, 2019

Heterocyclic compound and organic light emitting device comprising the same

LG CHEMICAL LTD0 citations39

LG DISPLAY CO LTD

5 patents

PARK JUNGHWAN

1 patent

NAT AGRICULTURAL COOPERATIVE FEDERATION

1 patent