Organic Light Emitting Display Device

An organic electroluminescent device according to an embodiment of the present invention comprises: a first light emitting unit which is located between an anode and a cathode, and includes a first light emitting layer and a first electron transport layer; and a second light emitting unit which is l...

Full description

Saved in:
Bibliographic Details
Main Authors KANG HYE SEUNG, JOO SUNG HOON, PARK JUNG SOO, YOO SEON KEUN, HAN CHANG WOOK, SEO JEONG DAE, KIM HYO SEOK
Format Patent
LanguageEnglish
Korean
Published 20.04.2023
Subjects
ADHESIVES
CHEMISTRY
DYES
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
Online AccessGet full text

Cover

More Information
Summary:An organic electroluminescent device according to an embodiment of the present invention comprises: a first light emitting unit which is located between an anode and a cathode, and includes a first light emitting layer and a first electron transport layer; and a second light emitting unit which is located on the first light emitting unit, and includes a second light emitting layer and a second electron transport layer. At least one of the first light emitting layer and the second light emitting layer includes a compound represented by chemical formula 1. At least one of the first electron transport layer and the second electron transport layer includes a compound represented by chemical formula 2 or chemical formula 3. 본 발명의 일 실시예에 따른 유기전계발광소자는 양극과 음극 사이에 위치하며, 제1 발광층과 제1 전자수송층을 포함하는 제1 발광부, 및 상기 제1 발광부 상에 위치하며, 제2 발광층과 제2 전자수송층을 포함하는 제2 발광부를 포함하며, 상기 제1 발광층 및 상기 제2 발광층 중 적어도 하나는 화학식 1로 표시되는 화합물을 포함하고, 상기 제1 전자수송층 및 상기 제2 전자수송층 중 적어도 하나는 화학식 2 또는 화학식 3으로 표시되는 화합물을 포함하는 것을 특징으로 한다.
Bibliography:Application Number: KR20230046733