Patent ID: 6654399
Filing Date: 2003-11-25
Classification: G01S,H01L

Abstract:
A semiconductor light projecting apparatus comprising:a plurality of light emitting devices connected in series, each of which is a current-driven type two terminal device; and a plurality of optical devices that correspond to said plurality of light-emitting devices, said plurality of optical devices guiding light emitted from said plurality of light emitting devices to a predetermined light projection area, wherein a power supply path is provided for a power source, said power supply path supplying power to said plurality of light emitting devices; wherein said plurality of light emitting devices includes: a plurality of semiconductor chips; a metallic base; a plurality of metallic pedestals for loading said plurality of semiconductor chips, said plurality of metallic pedestals provided in said metallic base so as to correspond to said plurality of semiconductor light emitting devices; and at least two terminals provided so as to correspond to both terminals when said plurality of semiconductor chips are in series connected to each other, and wherein said plurality of semiconductor chips are in series connected to each other by bonding wires in a state where said plurality of semiconductor chips are loaded on said plurality of metallic pedestals and fixed thereto.