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 and including an emission layer, wherein the organic layer includes the compound of Formula 1:




When the compound of Formula 1 is used in an organic light-emitting device, the organic light-emitting device may have high-efficiency characteristics as compared to a case where a compound of the related art is used, resulting particularly in excellent lifespan improvement effects, and accordingly, significantly improved lifespan.