An organic light emitting device includes a substrate, a first electrode disposed on the substrate, a first organic layer pattern disposed on the first electrode, an auxiliary electrode pattern alternately disposed with the first organic layer pattern, and including an upper insulation layer, a lower insulation layer, and an auxiliary electrode disposed therebetween, a light emitting layer disposed on the first organic layer pattern and the auxiliary electrode pattern, a second organic layer disposed on the light emitting layer and a second electrode disposed on the second organic layer.