申请人:Kwansei Gakuin Educational Foundation
公开号:US20190312207A1
公开(公告)日:2019-10-10
Provided is an organic electroluminescent element having optimal light emission characteristics. The above problem is solved by an organic electroluminescent element having a light emitting layer containing a compound of formula (1) or a multimer compound having a plurality of structures of formula (1), and a compound of formula (2A) or (2B)
in formula (1), ring A, ring B, and ring C each represent an aryl ring or the like, X
1
and X
2
each represent >O or >N—R, and the R represents an aryl or the like, and in formula (2A) or (2B), X represents an aryl or the like, and Z represents a single bond, a divalent group, or the like.
提供的是具有最佳光发射特性的有机电致发光元件。上述问题通过具有包含化合物的发光层的有机电致发光元件得到解决,该化合物具有式(1)或具有多个式(1)结构的多聚物化合物,以及式(1)中的化合物(2A)或(2B),其中,环A、环B和环C分别代表芳基环等,X1和X2分别代表> O或> N-R,R代表芳基等,在式(2A)或(2B)中,X代表芳基等,Z代表单键、二价基团等。