LIGHT-EMITTING DEVICE

A light-emitting device includes a substrate including a sidewall; a light-emitting stack formed on the substrate, including a first semiconductor layer, an active layer and a second semiconductor layer; a semiconductor structure formed on the substrate, being separated from the light-emitting stack by the first semiconductor layer and surrounding the light-emitting stack; and a distributed bragg reflector covering the light-emitting stack and the semiconductor structure, wherein the semiconductor structure includes a side surface directly connected to the sidewall of the substrate, and a top surface directly connected to the side surface of the semiconductor structure, the top surface includes a top surface of the second semiconductor layer, the distributed bragg reflector comprises a first side surface directly connected to the side surface of the semiconductor structure and a second side surface separated from the side surface of the semiconductor structure by a distance to expose the top surface of the se