Inventor

NO YOUNG-SEOK

KR15 patents

⚠️ This page may combine multiple inventors who share the name “NO YOUNG-SEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LT MATERIALS CO LTD

10 patents

US11515484B2Nov 29, 2022

Heterocyclic compound and organic light emitting element comprising same

LT MATERIALS CO LTD3 citations69

US11387418B2Jul 12, 2022

Organic light emitting element and composition for organic material layer in organic light emitting element

LT MATERIALS CO LTD4 citations68

US11785844B2Oct 10, 2023

Organic light emitting device, method for manufacturing same and composition for organic material layer

LT MATERIALS CO LTD2 citations67

US10644244B2May 5, 2020

Heterocyclic compound and organic light emitting device using same

LT MATERIALS CO LTD1 citations61

US11527723B2Dec 13, 2022

Heterocyclic compound and organic light emitting element comprising same

LT MATERIALS CO LTD0 citations59

US11515487B2Nov 29, 2022

Organic light emitting element and composition for organic material layer in organic light emitting element

LT MATERIALS CO LTD0 citations59

US12534464B2Jan 27, 2026

Heterocyclic compound and organic light emitting element comprising same

LT MATERIALS CO LTD0 citations58

US10672993B2Jun 2, 2020

Nitrogen-containing polycyclic compound and organic light emitting element using same

LT MATERIALS CO LTD0 citations50

US12583843B2Mar 24, 2026

Organic light-emitting device, method for manufacturing same, and composition for organic material layer of organic light-emitting device

LT MATERIALS CO LTD0 citations49

US12103934B2Oct 1, 2024

Heterocyclic compound, organic light emitting diode comprising same, composition for organic layer of organic light emitting diode, and method for manufacturing organic light emitting diode

LT MATERIALS CO LTD0 citations48

HEESUNG MAT LTD

3 patents

US9728731B2Aug 8, 2017

Heterocyclic compound and organic light emitting device using same

HEESUNG MAT LTD9 citations82

US10177319B2Jan 8, 2019

Nitrogen-containing polycyclic compound and organic light emitting element using same

HEESUNG MAT LTD5 citations70

US9899600B2Feb 20, 2018

Multicyclic aromatic compound and organic light emitting device using the same

HEESUNG MAT LTD0 citations36

LG DISPLAY CO LTD

2 patents

US11380853B2Jul 5, 2022

Organic light emitting diode and organic light emitting device including the same

LG DISPLAY CO LTD0 citations57

US12595257B2Apr 7, 2026

Heterocyclic compound, organic light emitting device including the same and composition for organic layer of organic light emitting device

LG DISPLAY CO LTD0 citations48