Patent ID: 7589352
Filing Date: 2009-09-15
Classification: H01L

Abstract:
1. A light emitting device configured: so that a device chip, having a light emitting layer portion and a main light extraction surface formed on a first main surface thereof, is adhered on the second main surface side thereof to a metal stage while placing an electro-conductive adhesive layer in between, and is covered on the metal stage together with the electro-conductive adhesive layer, using a molding component which is composed of a polymer molding material having transparency to emission flux from the light emitting layer portion; and so that the device chip has a section reducing portion formed in at least a portion in the thickness-wise direction thereof, wherein the sectional area normal to the thickness-wise direction continuously or step-wisely decreases from the first main surface side towards the second main surface side, a portion of the molding component comprises a first molding layer covering at least the section reducing portion and a second molding layer covering the exterior of the first molding layer, wherein the first molding layer is composed of a polymer molding material softer than that composing the second molding layer, wherein: the device chip comprises a main compound semiconductor layer having a light emitting layer portion and a main light extraction surface formed on the first main surface side thereof; and a base semiconductor layer disposed on the second main surface side of the main compound semiconductor layer, the second main surface of the base semiconductor layer being adhered to the metal stage while placing an electro-conductive adhesive layer in between; and the base semiconductor layer has a cut-off portion formed therein, so that at least a portion thereof right under the main light extraction surface is aimed to be cut off, so that a residual portion produced as a result of cutting off contains at least a portion thereof right under a main light extraction electrode, and so that at least the bottom surface of the cut-off portion configures the section reducing portion.