COMPOUND, LIGHT EMITTING MATERIAL, AND ORGANIC LIGHT EMITTING ELEMENT
申请人:Kyushu University,
National University Corporation
公开号:EP2808323A1
公开(公告)日:2014-12-03
A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), Ar1 to Ar3 represent an aryl group, provided that at least one thereof represents an aryl group substituted by a group represented by the general formula (2). In the general formula (2), R1 to R8 represent a hydrogen atom or a substituent; Z represents O, S, O=C or Ar4-N; and Ar4 represents an aryl group.
BENZONITRILE DERIVATIVE, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING ELEMENT USING SAME
申请人:KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
公开号:US20210332032A1
公开(公告)日:2021-10-28
A compound represented by formula (I).
In formula (I), each L independently represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, n indicates the number of L groups, and is either 1 or 2, each Q independently represents a substituted or unsubstituted 3,6-di-t-butyl-9H-carbazol-9-yl group, a substituted or unsubstituted 3,6-diphenyl-9H-carbazol-9-yl group, or a substituted or unsubstituted 3-phenyl-6-t-butyl-9H-carbazol-9-yl group, and in indicates the number of Q groups, and has a value of 5−n.
LIGHT-EMITTING MATERIAL, AND ORGANIC ELECTROLUMINESCENT DEVICE
申请人:Hodogaya Chemical Co., Ltd.
公开号:US20180047915A1
公开(公告)日:2018-02-15
To provide a light-emitting material containing a compound having a high excitation triplet level, particularly a host material of a light emitting layer, as a material for an organic electroluminescent device with high efficiency, and also to provide an organic electroluminescent device with high efficiency and high luminance by using the material. A light-emitting material containing a compound having a carbazole ring structure represented by the following general formula (1), and an organic electroluminescent device containing a pair of electrodes and one layer or plural layers including at least a light emitting layer intervening between the electrodes, the light emitting layer containing as a constitutional material thereof the light-emitting material.
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.