Patent ID: 8546819

Claim:
A method of fabricating a light emitting device having a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer and an active layer interposed therebetween formed on a substrate, the method comprising: forming the first conductivity-type semiconductor layer on the substrate, wherein the first conductivity-type semiconductor layer comprises a first portion and a second portion; forming an aluminum layer on the first portion of the first conductivity-type semiconductor layer; forming an anodic aluminum oxide (AAO) layer having a large number of holes formed therein by performing an anodizing treatment of the aluminum layer; etching and patterning the first portion of the first conductivity-type semiconductor layer using the aluminum layer with the large number of the holes as a shadow mask so that the first portion of the first conductivity-type semiconductor layer is etched, wherein the etched first portion comprises a plurality of scattering centers comprising an air layer, and the first portion is alternately arranged between each scattering center of the plurality of scattering centers; removing the aluminum layer from the first portion of the first conductivity-type semiconductor layer; forming the second portion of the first conductivity-type semiconductor layer on the first portion of the first conductivity-type semiconductor layer; and forming the active layer and the second conductivity-type semiconductor layer on the first portion of the first conductivity-type semiconductor layer and the plurality of scattering centers.