A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency:
wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description.
式 (1) 所代表的化合物提供了一种具有低驱动电压和出色发射效率的有机电致发光器件:
其中 R1 至 R8、R11 至 R18、R21 至 R28、R31 至 R38、X、Y、L1、
L2、L3 和 Ar 如说明中所定义。