Patent ID: 9117986
Filing Date: 2015-08-25
Classification: H01L

Abstract:
1. A light emitting device comprising: a conductive support member; a first conductive layer on the conductive support member; a second conductive layer on the first conductive layer; an insulation layer between the first conductive layer and the second conductive layer; a light emitting structure that includes a second semiconductor layer on the second conductive layer, a first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, the first semiconductor layer having a first surface and a second surface, wherein the first conductive layer includes at least one conductive via that passes through the second conductive layer, the second semiconductor layer and the active layer, and a first surface of the at least one conductive via is provided into the first semiconductor layer, wherein the insulation layer substantially surrounds a side wall of the conductive via, wherein the size of the first surface of the conductive via is smaller than the size of a bottom surface of the conductive via, wherein the height of the conductive via is higher than or equal to the height of the insulation layer, wherein the first surface of the first semiconductor layer includes a first surface area, a second surface area and a recess provided between the first surface area and the second surface area, the recess having a bottom surface, wherein the recess is vertically aligned with the second surface of the first semiconductor layer, and the first surface of the at least one conductive via is vertically aligned with the first surface area of the first semiconductor layer, and wherein the first surface area of the first semiconductor layer has a surface roughness; and a reflective layer formed between the side wall of the conductive via and the insulation layer, wherein the reflective layer is formed on the inclined surface, and the reflective layer is directly on the insulation layer.