Patent ID: 6465961
Filing Date: 2002-10-15
Classification: F21K,F21V,F21Y,H01L

Abstract:
A semiconductor light source for emitting light to illuminate a space used by humans, the semiconductor light source comprising:an enclosure, said enclosure being fabricated from a material substantially transparent to white light, an interior volume within said enclosure, a heat sink located in said interior volume, said heat sink being capable of drawing heat from one or more semiconductors devices, said heat sink having a plurality of panels on it suitable for mounting semiconductor devices thereon, said panels on said heat sink being oriented to facilitate emission of light from the semiconductor light source in desired directions around the semiconductor light source, at least one semiconductor chip capable of emitting light mounted on one of said panels, said semiconductor chip being capable of emitting monochromatic light, said semiconductor chip being selected from the group consisting of light emitting diodes, light emitting diode arrays, laser chips, LED modules, laser modules, and VCSEL chips, and a coating for converting monochromatic light emitted by said chip to white light.