The present invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule and wherein the electron-transporting layer contains a compound having a pyridine ring and a pyridoindole ring in its molecule and represented by the following general formula (1):
本发明涉及一种有机电致发光器件,至少包括一个阳极电极、一个空穴注入层、一个空穴传输层、一个发射层、一个电子传输层和一个阴极电极,其中空穴注入层包含一个芳胺化合物,在其分子中,三个或更多的
三苯胺结构通过一个单键或一个无杂原子的二价基团连接;空穴传输层含有一种芳胺化合物,在其分子中具有两个
三苯胺结构,其中电子传输层含有一种化合物,在其分子中具有一个
吡啶环和一个
吡啶吲哚环,并由以下通式(1)表示: