An aromatic amine derivative of the following general formula (1) is useful to form an auxiliary carrier transporting layer in an electroluminescent device.
R1 is a monovalent hydrocarbon group or organooxy group, and A and B have the following general formula (2) or (3).
以下通式(1)的芳香胺衍
生物可用于在电致发光器件中形成辅助载流子传输层。
R1 是一价烃基或有机氧基,A 和 B 具有以下通式(2)或(3)。