Provided is a novel heterocyclic compound which can be used in a light-emitting layer of a light-emitting element as a host material in which a light-emitting substance is dispersed. A heterocyclic compound represented by a general formula (G1) is provided. Any one of R
1
to R
10
represents a substituent represented by a general formula (G1-1), another one of R
1
to R
10
represents a substituent represented by a general formula (G1-2), and the others separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted biphenyl group. Further, α
1
and α
2
separately represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group, and A
1
and A
2
separately represent a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted dibenzothiophenyl group, or a substituted or unsubstituted dibenzofuranyl group.
COMPOUND HAVING DIAZATRIPHENYLENE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE
申请人:HODOGAYA CHEMICAL CO., LTD.
公开号:US20160064676A1
公开(公告)日:2016-03-03
A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of a general formula (1) having a diazatriphenylene ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
서로 마주하는 애노드와 캐소드, 그리고 상기 애노드와 상기 캐소드 사이에 위치하는 적어도 1층의 유기층을 포함하고, 상기 유기층은 발광층을 포함하며, 상기 발광층은 하기 화학식 3으로 표현되는 제1 유기 화합물과 하기 화학식 6으로 표현되는 모이어티와 하기 화학식 7로 표현되는 모이어티의 조합으로 이루어진 제2 유기 화합물을 포함하는 유기 광전자 소자 및 표시 장치에 관한 것이다. [화학식 3] 상기 화학식 3에서, Z 내지 Z, R 내지 R, n 내지 n는 명세서에서 정의한 바와 같다.
Compound having diazatriphenylene ring structure, and organic electroluminescent device
申请人:HODOGAYA CHEMICAL CO., LTD.
公开号:US10032995B2
公开(公告)日:2018-07-24
A compound that emits fluorescence and delayed fluorescence is provided as a material for an organic electroluminescent device of high efficiency, and an organic photoluminescent device and an organic electroluminescent device of high efficiency and high luminance are provided using this compound. The compound of a general formula (1) having a diazatriphenylene ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.
The present invention relates electroluminescent devices, comprising a compound of the formula
especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.