Patent ID: 8766295

Claim:
A light emitting device comprising: a first light emitting structure which includes a first semiconductor pattern of a first conductivity type, a second semiconductor pattern of a second conductive type, and a first active pattern, wherein the first light emitting structure is turned on or turned off according to a bias applied to the first semiconductor pattern and the second semiconductor pattern; a first electrode having an inclined sidewall and a bottom, wherein an upper surface of the first electrode allows light generated from the first active pattern to escape from the first light emitting structure; an insulating pattern formed between the first electrode and the first light emitting structure, wherein the insulating pattern includes an oxide film, a nitride film, an oxynitride film, Al 2 O 3 , or AlN; an intermediate material layer formed between the first electrode and a substrate, wherein the intermediate material layer includes Au, Ag, Pt, Ni, Cu, Sn, Al, Pb, Cr or Ti; and a barrier layer which is formed between the first electrode and the intermediate material layer, and includes at least one of a single layer, a laminate, and a combination thereof including Pt, Ni, Cu, Al, Cr, Ti or W, wherein at least one of the first semiconductor pattern, the second semiconductor pattern, and the first active pattern includes InxAlyGa(1-x-y)N, 0≦x≦1, 0≦y≦1, and the first electrode connected to the first semiconductor pattern of the first conductive type has a bowl shape and an inclined sidewall.