To provide an organic EL element capable of providing blue light emission, and to provide a material useful for an organic thin film layer of the organic EL element.
An aromatic amine derivative is represented by formula (1). In the formula (1), R1 to R10 are each independently a hydrogen atom or a substituent; and R2 is represented by formula (2), wherein one of R3 to R10 is represented by formula (2). In the formula (2), L1 to L3 are a single bond, a divalent residue of an aryl group, or the like; Ar1 is a monovalent substituent having formula (3) as a partial structure; and Ar2 is an aryl group, a monovalent group having formula (3) as a partial structure, or the like. In the formula (3), X is an oxygen atom or a sulfur atom; and A and B are a 6-membered ring.
ITO HIROKATSU