申请人:Sumitomo Chemical Company, Ltd.
公开号:EP3922627A1
公开(公告)日:2021-12-15
To provide a compound with which the luminance life of a light emitting device is excellent.
A compound represented by the formula (1):
[wherein,
n represents an integer of 2 or more and 20 or less.
R1 and R2 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group or a halogen atom.
Ar1 represents a mono-cyclic or condensed-cyclic arylene group, a mono-cyclic or condensed-cyclic divalent heterocyclic group or a group represented by - N(RX1)-. RX1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a monovalent heterocyclic group.
At least two of Ar1 represent prescribed groups.].
提供一种化合物,使用该化合物,发光器件的亮度寿命非常长。
一种由式(1)表示的化合物:
其中
n 代表 2 或 2 以上 20 或 20 以下的整数。
R1 和 R2 各自独立地代表氢原子、烷基、环烷基、烷氧基、环烷氧基或卤素原子。
Ar1 代表单环或缩合环芳基、单环或缩合环二价杂环基团或由 - N(RX1)- 所代表的基团。RX1 代表氢原子、烷基、环烷基、芳基或单价杂环基团。
Ar1 中至少有两个代表规定基团。]