Patent ID: 9084372
Filing Date: 2015-07-14
Classification: F21K,F21V,H01L,H05K

Abstract:
1. A wiring substrate comprising: a heat sink; an insulating layer on the heat sink; first and second wiring patterns on the insulating layer to be separated from each other at a certain interval; a first reflective layer comprising a first opening on the insulating layer so as to cover the first and second wiring patterns, wherein a portion of the first and second wiring patterns is exposed from the first opening, and wherein the portion of the first and second wiring patterns, which is exposed from the first opening, is defined as a mounting region on which a light emitting element is to be mounted; and a second reflective layer on the insulating layer, wherein the second reflective layer is interposed between the first and second wiring patterns, wherein a thickness of the second reflective layer is smaller than that of the first reflective layer.