Patent ID: 9627584
Date: 2017-04-18
CPC Classifications: H01L

Claim:
1. A light emitting device comprising: a light emitting structure having an active layer between first and second semiconductor layers; a channel layer under a peripheral region of the light emitting structure; a single current spreading layer under the light emitting structure and having graphene and a plurality of wavelength conversion structures, wherein the single current spreading layer having the graphene and the wavelength conversion structures directly contacts a lower surface of the second semiconductor layer and a bottom surface of the channel layer, wherein the wavelength conversion structures within the single current spreading layer have a core-shell structure; an electrode layer that directly contacts the single current spreading layer having the graphene and the wavelength conversion structures, the electrode layer having a topmost surface and a lowermost surface; an adhesive layer that directly contacts the electrode layer; and an electrode on the light emitting structure, wherein the adhesive layer has a top surface at an area that is vertically aligned with the electrode, and the top surface of the adhesive layer is closer to the lower surface of the second semiconductor layer than the lowermost surface of the electrode layer.