A light emitting device includes: a substrate; a first electrode disposed on the substrate; a first insulating layer disposed on the substrate to be spaced apart from the first electrode, the first insulating layer having a first height; a second electrode disposed on the first insulating layer; and a bar type LED disposed on the substrate, wherein the bar type LED has a first end and a second end in the length direction thereof, one of the first end and the second end is connected to the first electrode, and the other of the first end and the second end is connected to the second electrode.