The organic EL device of the present invention has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description. The hole transport layer includes an arylamine compound represented by the following general formula (1):
in the formula,
Ar1 to Ar4 each represent a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group, and the luminous layer includes an N-aromatic substituted nitrogen-containing heterocyclic compound.
本发明的有机电致发光器件依次具有阳极、空穴传输层、发光层、电子传输层和阴极。空穴传输层包括由以下通式(1)表示的芳基胺化合物:
式中
Ar1至Ar4分别代表一价
芳烃基团或一价芳香杂环基团,发光层包括N-芳香取代的含氮
杂环化合物。