A light emitting device including a second metal layer, a second conduction type semiconductor layer on the second metal layer, an active layer on the second conduction type semiconductor layer, a first conduction type semiconductor layer on the active layer, a first metal layer on the first conduction type semiconductor layer, an insulating layer being disposed on a peripheral portion of an upper surface of the second metal layer and being disposed under a lower surface of the second conduction type semiconductor layer, and a passivation layer on lateral surfaces of the insulating layer, the second conduction type semiconductor layer, the active layer and the first conduction type semiconductor layer, the passivation layer being on an upper surface of the second metal layer, wherein a lateral surface of the insulating layer is adjacent to a lateral surface of the second metal layer.