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LIGHT-EMITTING DEVICE

  • US 20090058256A1
  • Filed: 06/20/2008
  • Published: 03/05/2009
  • Est. Priority Date: 08/31/2007
  • Status: Active Grant
First Claim
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1. A light-emitting device comprising:

  • a package having, on a surface thereof, a first portion and a second portion surrounding the first portion;

    a semiconductor light-emitting element mounted on the first portion and emitting a light having an emission peak at a near-ultraviolet region;

    a transparent resin layer covering the semiconductor light-emitting element and contacted with the first portion and the second portion, the transparent resin layer having an arch-like outer profile, as seen in a cross section when cut perpendicularly to the surface; and

    a laminated body formed on the transparent resin layer with end faces of the laminated body being contacted with the second portion, the laminated body having an arch-like outer profile, as seen in a cross section when cut perpendicularly to the surface and comprising a red fluorescent layer, a yellow fluorescent layer, a green fluorescent layer and a blue fluorescent layer which are laminated in the mentioned order, the yellow fluorescent layer having a top portion larger in thickness than that of the end face portions thereof.

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