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
Ar1 and Ar2 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或双环或
三环杂环中选择的杂原子; Ar1和Ar2各自独立地表示烷基或芳基取代或未取代的
芳香烃,或烷基或芳基取代或未取代的杂环
芳香烃。