| abstract |
An organic light-emitting device comprising: 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 comprising a light-emitting layer, wherein the organic layer includes the first compound represented by Formula 1 and the second compound represented by Formula 501. The organic light-emitting device including the first compound and the second compound may have low driving voltage, high efficiency, and high brightness. |