Patent ID: 8203170

Claim:
A nitride semiconductor light emitting diode (LED) comprising: a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer formed on a portion of the n-type nitride semiconductor layer; a p-type nitride semiconductor layer formed on the active layer; a p-type contact layer formed on the p-type nitride semiconductor layer and doped with p-type impurities as well as n-type impurities, a transparent oxide electrode formed on the p-type contact layer; a p-electrode formed on the transparent oxide electrode; and an n-electrode formed on the n-type nitride semiconductor layer in a portion of a region in which the active layer is not formed, wherein the p-type contact layer has a contacting area being in direct contact with the transparent oxide electrode, wherein a doping concentration of the n-type impurities is lower than that of the p-type impurities in the contacting area of the p-type contact layer attached to the transparent oxide electrode.