An aromatic amine derivative represented by the following formula (1):
wherein at least one of R
1
to R
8
is a group other than a hydrogen atom, Ar
1
to Ar
4
are a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.
一种芳香胺衍
生物,其
化学式表示为(1):其中R1到R8中至少有一个是除氢原子外的基团,Ar1到Ar4是具有6至30个环状碳原子的取代或未取代芳基基团。