Illuminating light source device using semiconductor laser eleme

Details Illuminating light source device using semiconductor laser eleme Illuminating light source device using semiconductor laser eleme

1995-01-03

1996-07-09

Bovernick, Rodney B.

Coherent light generators

Particular active media

Semiconductor

372 75, 257 98, 359326, 362259, 250504R, H01S 318, H05B 3300

Patent

active

055352308

ABSTRACT:
There is disclosed an illuminating light source device suitable for illumination at a vibrating place or a portion where an electric lamp is hardly exchangeable for new one, as well as for general luminairs. The illuminating light source device comprises a semiconductor laser element for outputting a laser beam of a particular wavelength in the range from infrared rays to ultraviolet rays, a lens for diffusing the laser beam from the semiconductor laser element and a fluophor for converting the diffused laser beam from the diffusion lens into visible light. Otherwise, the illuminating light source device comprises a group of semiconductor laser elements for respectively outputting laser beams of three primary colors consisting of red, green and blue, a lens for diffusing the laser beam from each of the semiconductor laser elements, and lenses for superposing the diffused laser beams from the diffusion lenses. Therefore, the illuminating light source device has small power consumption, is excellent in durability and can generate sufficient radiant power output in extreme safety so as to obtain the optimum illumination light such as white light.

REFERENCES:
patent: 3529200 (1970-09-01), Potter et al.
patent: 3593055 (1971-07-01), Geusic et al.
patent: 5012809 (1991-05-01), Shulze
patent: 5208462 (1993-05-01), O'Connor et al.
patent: 5245623 (1993-09-01), McFarlane

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