Patent ID: 8482018

Claim:
A light emitting device comprising: a light emitting semiconductor layer comprising a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; a first electrode layer on the light emitting semiconductor layer; a second electrode layer supporting the light emitting semiconductor layer while surrounding the light emitting semiconductor layer; a first passivation layer between a side of the light emitting semiconductor layer and the second electrode layer; a second passivation layer between the second electrode layer and the first passivation layer; and a light extraction structure on the first conductive semiconductor layer, wherein the light extraction structure has a plurality of holes or column shapes, wherein the first passivation layer comprises an inorganic layer, wherein the second passivation layer comprises an organic layer, wherein the holes or column shapes are formed on an entire area of the upper surface of the first conductive semiconductor layer, and wherein the first electrode layer directly contacts the holes or column shapes of the light extraction structure.