Patent ID: 8866174
Filing Date: 2014-10-21
Classification: H01L

Abstract:
1. A light-emitting device comprising: a light-emitting stacked layer having a first conductivity type semiconductor layer; a light-emitting layer formed on the first conductivity type semiconductor layer; and a second conductivity type semiconductor layer formed on the light-emitting layer, wherein the upper surface of the second conductivity type semiconductor layer is a textured surface; a planarization layer formed on a first part of the second conductivity type semiconductor layer; a transparent conductive oxide layer formed on the planarization layer and a second part of the second conductivity type semiconductor layer, including a first portion on the planarization layer and a second portion having a first plurality of cavities on the second conductivity type semiconductor layer; an electrode formed on the first portion of the transparent conductive oxide layer; and a reflective metal layer formed between the transparent conductive oxide layer and the electrode.