[EN] SPECIFIC LADDER TYPE COMPOUNDS FOR ORGANIC LIGHT EMITTING DEVICES<br/>[FR] COMPOSÉS DE TYPE ÉCHELLE SPÉCIFIQUES POUR DISPOSITIFS ÉLECTROLUMINESCENTS ORGANIQUES
申请人:IDEMITSU KOSAN CO
公开号:WO2018154501A1
公开(公告)日:2018-08-30
The present invention relates to a compound of formula (I), wherein R1, R2, R3 and R4 are each independently hydrogen or Ra, with proviso that a pair of two substituents selected from R1 and R2, R2 and R3, and R3 and R4 is linked to one another and forms a group of formula (II); a material for an organic electroluminescence device comprising at least one compound of formula (I); an organic electroluminescence device which comprises an organic thin film layer be- tween an anode and a cathode, wherein the organic thin film layer comprises one or more layers and comprises a light emitting layer, and at least one layer of the organic thin film layer comprises at least one compound of formula (I); and an electronic equipment comprising the inventive organic electroluminescence device.
本发明涉及一种化合物,其化学式为(I),其中R1、R2、R3和R4分别独立地为氢或Ra,但其中R1和R2、R2和R3、以及R3和R4中选择的两个取代基以相互连接形成化学式(II)的基团;一种用于有机电致发光器件的材料,包括至少一种化学式(I)的化合物;一种有机电致发光器件,其包括位于阳极和阴极之间的有机薄膜层,其中有机薄膜层包括一个或多个层,并包括一个发光层,有机薄膜层的至少一层包括至少一种化学式(I)的化合物;以及包括本发明有机电致发光器件的电子设备。