Pyrimidine derivatives and organic electroluminescent device including the same

Provided is a pyrimidine derivative that contributes to the improvement of the substantial driving voltage, efficiency, and lifespan of an organic electroluminescent device. An organic electroluminescent device according to the present invention comprises: a first electrode; a second electrode; an o...

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Main Authors KIM MUN SOO, YOON JEOUNG HUN, KIM GYU RI, KIM GYUNG WOO, LIM DAE CHUL, HAN KAP JONG, JANG MI
Format Patent
LanguageEnglish
Korean
Published 21.03.2023
Subjects
CHEMISTRY
ELECTRICITY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Provided is a pyrimidine derivative that contributes to the improvement of the substantial driving voltage, efficiency, and lifespan of an organic electroluminescent device. An organic electroluminescent device according to the present invention comprises: a first electrode; a second electrode; an organic material layer interposed between the first electrode and the second electrode, which consists of one or more layers; and an electron transfer layer, wherein the organic material layer or the electron transfer layer includes a pyrimidine derivative represented by the following chemical formula 1. [Chemical formula 1] (In the chemical formula 1, each substituent is the same as defined in the detailed description of the present invention.) 유기 전계 발광 소자의 실질적인 구동전압, 효율 및 수명 향상에 기여하는 피리미딘 유도체를 제공한다. 본 발명에 따른 유기 전계 발광 소자는, 제1 전극; 제2 전극; 상기 제1 전극과 제2 전극 사이에 배치된 1층 이상의 유기물층; 및 전자수송층을 포함하고, 상기 유기물층 또는 전자수송층은 하기 화학식 1로 표시되는 피리미딘 유도체를 포함한다. [화학식 1] JPEGpat00314.jpg3728 (상기 화학식 1에서 각 치환기들은 발명의 상세한 설명에서 정의한 바와 같다.)
Bibliography:Application Number: KR20230029686