Provided are an aromatic amine compound represented by the following Formula (1) and an organic electroluminescent element which has at least one organic thin film layer containing the above aromatic amine derivative in the form of a single component. The organic electroluminescent element described above has a high luminescent efficiency even at a low voltage and a long life. It can emit blue light even at high temperatures. In Formula (1), Ar1 and Ar2 each represent naphthyl and the like; Ar3 to Ar6 each represent phenyl, naphthyl, phenanthryl and the like; Ar7 to Ar10 each represent 1,4-phenylene and the like; L represents a single bond and the like; provided that the conditions of (1) and/or (2) are satisfied:
(1) at least one of Ar3 to Ar6 is a condensed aryl group having 10 to 50 nuclear carbon atoms and
(2) at least one of Ar1 and Ar2 is a condensed aryl group having 12 to 50 nuclear carbon atoms.
提供了以下式(1)所表示的芳香胺化合物和具有至少一个含有上述芳香胺衍
生物的有机薄膜层的有机电致发光元件,该层以单一组分形式存在。上述有机电致发光元件在低电压下具有高发光效率和长寿命。即使在高温下也能发出蓝光。在式(1)中,Ar1和Ar2分别表示
萘基等;Ar3至Ar6分别表示苯基、
萘基、
菲基等;Ar7至Ar10分别表示1,4-苯基等;L表示单键等;满足以下条件:(1)至少Ar3至Ar6中的一个是具有10至50个核碳原子的缩合芳基基团;(2)至少Ar1和Ar2中的一个是具有12至50个核碳原子的缩合芳基基团。