申请人:Sumitomo Chemical Company Limited
公开号:EP3618577A1
公开(公告)日:2020-03-04
To provide a composition which is useful for production of a light emitting device excellent in luminance life.
A composition comprising a compound represented by the formula (C-1), a metal complex represented by the formula (1) and a metal complex represented by the formula (2):
[Ring R1C to Ring R4C represent an aromatic hydrocarbon ring or the like, and RC represents a carbon atom or the like.]
[M1 represents an iridium atom or the like, n1 and n2 represent an integer, Ring R1A represents a diazole ring, Ring R2 represents an aromatic hydrocarbon ring or the like, E1, E2 and E11A to E13A represent a nitrogen atom or a carbon atom, R11A to R13A represent a hydrogen atom, an alkyl group, an aryl group or the like, and A1-G1-A2 represents an anionic bidentate ligand.]
[M2 represents an iridium atom or the like, n3 and n4 represent an integer, EL represents a carbon atom or the like, Ring L1 represents a 6-membered aromatic hetero ring, Ring L2 represents an aromatic hydrocarbon ring or the like, and A3-G2-A4 represents an anionic bidentate ligand. A least one of Ring L1 and Ring L2 has a group represented by the formula (1-T).]
-R1T (1-T)
[R1T represents an alkyl group, an aryl group or the like.].
提供一种有助于生产亮度寿命极佳的发光器件的组合物。
一种由式(C-1)表示的化合物、式(1)表示的金属络合物和式(2)表示的金属络合物组成的组合物:
[环 R1C 至环 R4C 代表芳香烃环或类似物,RC 代表碳原子或类似物。]
[M1 代表铱原子或类似物,n1 和 n2 代表整数,环 R1A 代表重氮唑环,环 R2 代表芳香烃环或类似物,E1、E2 和 E11A 至 E13A 代表氮原子或碳原子,R11A 至 R13A 代表氢原子、烷基、芳基或类似物,A1-G1-A2 代表阴离子双齿配体。]
[M2 代表铱原子或类似物,n3 和 n4 代表整数,EL 代表碳原子或类似物,环 L1 代表 6 元芳香杂环,环 L2 代表芳香烃环或类似物,A3-G2-A4 代表阴离子双叉配体。环 L1 和环 L2 中至少有一个具有式 (1-T) 所代表的基团。]
-R1T (1-T)
[R1T 代表烷基、芳基或类似基团。]