Patent ID: 9397261
Filing Date: 2016-07-19
CPC Classification: H01L

Claim Text:
1. A light emitting device comprising: a transmissive substrate; a first pattern portion disposed on a top surface of the transmissive substrate and including a plurality of protrusions that protrude from the top surface; a second pattern portion disposed on the top surface of the transmissive substrate and including a plurality of concaves each of which has a width smaller than a width of each of the plurality of protrusions; a phosphor layer on the transmissive substrate; a light emitting structure disposed under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein the phosphor layer is on the top surface of the transmissive substrate, the phosphor layer directly contacts a lateral side of the second conductive semiconductor layer, the phosphor layer directly contacts a lateral side of the active layer, and the phosphor layer directly contacts a lateral side of the first conductive semiconductor layer; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer, wherein a width of the reflective electrode layer is less than a width of the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; an insulating support member disposed around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent; an insulating layer between the insulating support member and the reflective electrode layer; and a transmissive resin layer between the transmissive substrate and the phosphor layer, the transmissive resin layer includes a resin material having a refractive index lower than the transmissive substrate, the transmissive resin layer contacting the protrusions and disposed in the concaves, wherein the first connection electrode and the second connection electrode are overlapped with the first conductive semiconductor layer in a vertical direction, wherein a thickness of the insulating support member is greater than a thickness of the insulating layer in the vertical direction, wherein the insulating support member contacts a lateral surface of the first electrode, a lateral surface of the second electrode, a lateral surface of the first connection electrode and a lateral surface of the second connection electrode, wherein a bottom surface of the insulating support member is aligned on a same horizontal plane with a bottom surface of the first connection electrode and a bottom surface of the second connection electrode, wherein the first connection electrode has a first height, the second connection electrode has a second height, and the first height is greater than the second height, wherein a width of the first electrode is equal to a width of the first connection electrode, and a width of the second electrode is equal to a width of the second connection electrode, wherein the lateral surface of the second electrode contacts both the insulating support member and the insulating layer, and wherein the insulating support member includes a first support member around a perimeter of the first connection electrode and a second support member around the perimeter of the second connection electrode, wherein the first support member is spaced apart from the second support member by a division slot filled with an insulating material.