Patent ID: 8680552

Claim:
A light emitting device package comprising: a body; an insulating layer on a surface of the body; a first electrode layer on the insulating layer; a second electrode layer disposed on the insulating layer and spaced apart from the first electrode layer; a light emitting diode on the first electrode layer; and a bonding member between the light emitting diode and the first electrode layer and directly connected to the light emitting diode, the bonding member having a width wider than a width of an entire bottom surface of the light emitting diode, wherein the first and the second electrode layers include a thermal diffusion layer and a reflective layer on the thermal diffusion layer, and the thermal diffusion layer has a thickness thicker than a thickness of the reflective layer by at least twenty times, wherein the first electrode layer includes a first region corresponding to the entire bottom surface of the light emitting diode and a second region at an outer portion of the first region, wherein the first and second regions of the first electrode layer include a bonding layer having a surface roughness, wherein the topmost layer of the first region of the first electrode layer is the bonding layer having the surface roughness contacted with the bonding member, wherein the topmost layer of the second region of the first electrode layer is the reflective layer having a different material from the bonding layer, wherein the first and the second electrode layers further include a seed layer disposed between the insulating layer and the thermal diffusion layer, wherein the seed layer physically contacts the insulating layer and the thermal diffusion layer, wherein the thermal diffusion layer has the thickness thicker than a thickness of the seed layer and is formed in only one layer, wherein the insulating layer is contacted between the seed layer and the body, wherein the thickness of the thermal diffusion layer is at least 85% of a thickness of the first electrode layer, wherein the bonding layer, the seed layer and the thermal diffusion layer include different materials from each other, wherein the reflective layer includes a top surface and a bottom surface opposite the top surface of the reflective layer, wherein a plurality of protrusions are protruded from the top surface of the reflective layer and are located at a position lower than a top surface of the light emitting diode, and wherein the bottom surface of the reflective layer corresponding to the plurality of protrusions is a flat surface.