An organic light-emitting device including: a first electrode; a second electrode; and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, wherein the emission layer includes a polycyclic compound represented by Formula 1 and a host, and wherein an amount of the polycyclic compound is less than an amount of the host in the emission layer, wherein Formula 1 is as provided herein.
一种有机发光器件,包括:第一电极;第二电极;以及位于第一电极和第二电极之间的有机层,其中有机层包括发射层,发射层包括由公式1表示的
多环化合物和主体,其中
多环化合物的量小于发射层中主体的量,公式1如下所示。