Patent ID: 8089082
Filing Date: 2012-01-03
Classification: H01L

Abstract:
1. A light emitting diode, comprising: a first conductive semiconductor layer; an active layer on the first conductive semiconductor layer; a second conductive semiconductor layer on the active layer; a third conductive semiconductor layer on the second conductive semiconductor layer; a fourth semiconductor layer on the third conductive semiconductor layer, and a fifth semiconductor layer formed on a surface of the fourth semiconductor layer, wherein the fourth semiconductor layer comprises portions partially protruded from the third conductive semiconductor layer and the portions are spaced apart from each other, wherein the fourth semiconductor layer includes a dopant of an opposite polarity from a polarity of the first conductive semiconductor layer, wherein the first conductive semiconductor layer, the third conductive semiconductor layer and the fifth semiconductor layer comprise an n-type semiconductor layer, wherein the second conductive semiconductor layer and the fourth semiconductor layer comprise a p-type semiconductor layer.