There is provided an organic light-emitting device having an optical output with a high a high efficiency and a high luminance, and having good durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which the layer contains a naphthalene compound represented by the general formula (1):
wherein Ar
1
's each represent a substituted or unsubstituted fused ring aromatic hydrocarbon group having four or more rings.
提供了一种具有高效率和高亮度的光学输出以及良好耐久性的有机发光器件。该有机发光器件包括阳极、阴极和夹在阳极和阴极之间的含有有机化合物的层,其中该层包含由通式(1)表示的
萘类化合物:其中Ar1分别表示具有四个或更多环的取代或未取代的融合环
芳烃基。