Patent ID: 6661030
Filing Date: 2003-12-09
Classification: F21Y,H01L

Abstract:
A semiconductor light emitting device comprising:a packaging member; a semiconductor light emitting element mounted on the packaging member, the semiconductor light emitting element including a first semiconductor layer of a first conduction type, a light emitting layer located on the first semiconductor layer for emitting primary light having a first wavelength, and a second semiconductor layer of a second conduction type, the light emitting layer containing a material selected from the group consisting of gallium nitride, zinc selenide, silicon carbide and boron nitride; and a layer of fluorescent material absorbing the primary light emitted from the light emitting layer and to emit secondary light having a second wavelength different from the first wavelength, the layer of fluorescent material including an adhesive material which binds the fluorescent material, wherein the layer of fluorescent material includes a material selected from the group consisting of inorganic polymer, rubber material, farinaceous material and protein, which binds the fluorescent material.