The present invention provides a carbazole derivative of formula (I) for an organic electroluminescent device:
wherein Y represents a heteroatom selected from N, O, P, S, or a bicyclic or tricyclic heterocyclic ring; and
Ar
1
and Ar
2
each independently represent an alkyl or aryl substituted or unsubstituted aromatic hydrocarbon, or an alkyl or aryl substituted or unsubstituted heterocyclic aromatic hydrocarbon.
本发明提供了一种公式(I)的
咔唑衍
生物,用于有机电致发光器件:其中Y代表从N、O、P、S中选择的杂原子,或者是一个双环或
三环杂环;Ar1和Ar2分别独立地代表一个烷基或芳基取代或未取代的
芳香烃,或者是一个烷基或芳基取代或未取代的杂环
芳香烃。