P

Inventor

KIM YEON-HWAN

KR24 patents
⚠️ This page may combine multiple inventors who share the name “KIM YEON-HWAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LG CHEMICAL LTD

16 patents
US7365360B2Apr 29, 2008

Organic electronic device

LG CHEMICAL LTD39 citations91
US7973306B2Jul 5, 2011

Anthracene derivatives, organic electronic devices using anthracene derivatives, and electronic apparatuses comprising organic electronic device

LG CHEMICAL LTD9 citations83
US7821001B2Oct 26, 2010

Organic electronic device

LG CHEMICAL LTD8 citations82
US11877464B2Jan 16, 2024

Organic light emitting element

LG CHEMICAL LTD3 citations72
US11685859B2Jun 27, 2023

Organic light emitting device

LG CHEMICAL LTD2 citations71
US11251377B2Feb 15, 2022

Organic light emitting device

LG CHEMICAL LTD4 citations71
US7455917B2Nov 25, 2008

Organic compound and organic light emitting device using the same

LG CHEMICAL LTD2 citations62
US11459290B2Oct 4, 2022

Compound and organic light emitting device using the same

LG CHEMICAL LTD0 citations61
US11407718B2Aug 9, 2022

Heterocyclic compound and organic light emitting device comprising the same

LG CHEMICAL LTD0 citations60
US11856809B2Dec 26, 2023

Method of screening for electron transport material and hole blocking material used in organic light emitting device

LG CHEMICAL LTD0 citations51
US11778909B2Oct 3, 2023

Compound and organic light emitting device comprising the same

LG CHEMICAL LTD0 citations51
US7422802B2Sep 9, 2008

Luminescent material and organic electroluminescent device using the same

LG CHEMICAL LTD0 citations51
US11515478B2Nov 29, 2022

Compound and organic light emitting device using the same

LG CHEMICAL LTD0 citations50
US11261176B2Mar 1, 2022

Amine-based compound and organic light emitting device using the same

LG CHEMICAL LTD0 citations49
US11495745B2Nov 8, 2022

Compound and organic light emitting device comprising same

LG CHEMICAL LTD0 citations48
US12517088B2Jan 6, 2026

Method for selecting material for organic light-emitting device

LG CHEMICAL LTD0 citations43

SAMSUNG ELECTRONICS CO LTD

2 patents

KIM JI EUN

1 patent

LEE DAE-WOONG

1 patent

KIM JI-EUN

1 patent

KIM KONG KYEOM

1 patent

KIM YEON-HWAN

1 patent

JEON BYUNG-SUN

1 patent