Patent ID: 9172010
Filing Date: 2015-10-27
Classification: H01L

Abstract:
1. A light-emitting device comprising: a substrate including a mirror surface region on its upper surface, a semiconductor light-emitting element disposed in the mirror surface region, and an encapsulating layer joined onto the upper surface of the substrate, wherein the encapsulating layer comprises a lower layer that is in contact with the upper surface of the substrate, covers an upper surface and a side surface of the semiconductor light-emitting element, and contains phosphor, and an upper layer that is positioned on the lower layer so as to be above and spaced apart from the semiconductor light-emitting element, and has a larger phosphor content per unit area than that of the lower layer, the substrates includes an aluminum substrate having the mirror surface region in an upper surface, an insulating layer disposed on the aluminum substrate so as to expose the mirror surface region, and an electrode electrically connected to the semiconductor light-emitting element, the mirror surface region is a region of the aluminum substrate exposed from the insulating layer and is present up to a pair of opposing edges of the substrate, the electrode is disposed on the insulating layer outside the mirror surface region, and the encapsulating layer is rectangular and is joined onto the mirror surface region such that a pair of opposing edges of the encapsulating layer coincide with the pair of edges of the substrate.