An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a condensed cyclic compound represented by Formula 1. An organic light-emitting device including the organometallic compound according to the embodiments of the present disclosure may have high efficiency:
M(L
1
)(L
2
).   Formula 1
                            一种有机发光器件包括:第一电极;朝向第一电极的第二电极;以及位于第一电极和第二电极之间的有机层,该有机层包括一个发射层,其中有机层包括由式1表示的缩合环化合物。根据本公开的实施例,包括有机
金属化合物的有机发光器件可能具有高效率:M(L1)(
L2)。