Inventor

CHA YONGBUM

KR55 patents

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

CHA YONGBUM

LG CHEMICAL LTD

Polycyclic aromatic compounds containing a 1,11-dioxa-,1,11-dithia-, or 1-oxa-11-thia-4,8-diaza-11b-boradicyclopenta[a,j]phenalene core and organic light-emitting device comprising same

Organic light emitting device

Polycyclic compound and organic light-emitting device including same

Heterocyclic compound and organic light emitting diode containing same

Heterocyclic compound and organic light emitting diode containing same

Organic electroluminescent device

Compound and organic light emitting device comprising the same

Heterocyclic compound and organic light emitting element comprising same

Heterocyclic compound and organic light emitting element comprising same

Compound and organic electronic element comprising same

Double spiro organic compound and organic electronic element comprising same

Spiro compound and organic light emitting element comprising same

Heterocyclic compound and organic light emitting element comprising same

Compound and organic light emitting device comprising the same

Organic light emitting diode

Compound and organic light emitting device comprising same

Compound and organic light emitting device comprising same

Organic light-emitting element

Compound and organic light emitting device comprising same

Polycyclic compound and organic light emitting element comprising same

Compound and organic electronic device comprising same

Organic light emitting element

Compound and organic electronic element comprising same

Double-spiro type compound and organic light-emitting device containing same

Compound and organic electronic element comprising same

Spiro compound and organic light-emitting element comprising same

Spiro compound and organic light-emitting element comprising same

Amine-based compound and organic light emitting device comprising same

Spiro-structured compound and organic electronic device comprising same

Multicyclic compound and organic light emitting device including the same

Compound and organic electronic device comprising same

Hetero ring compound and organic luminescent element comprising same

Heterocyclic compound and organic light emitting device comprising same

Heterocyclic compound and organic light emitting element comprising same

Heterocyclic compound and organic light emitting diode containing same

Compound and organic light emitting device comprising the same

Polycyclic compound and organic light emitting element comprising same

Compound and organic light-emitting device using same

Organic light emitting diode

Organic light emitting device

Polycyclic compound and organic light-emitting element comprising same

Heterocyclic compound and organic light emitting device comprising same

Amine compound and organic light emitting element comprising same

Polycyclic compound and organic light emitting device including the same

Amine-based compound and organic light-emitting element comprising same

Heterocyclic compound and organic light emitting element comprising same

Double spiro compound and organic light-emitting element comprising same

Compound and organic electronic element comprising same

HONG SUNG KIL

Compound and organic light-emitting device using same

LG CHERN LTD

Heterocyclic compound and organic light-emitting element including same