PROJECTION IMAGE DISPLAY DEVICE AND LIGHT SOURCE DEVICE

WIPO Patent Application WO/2011/118536

A1

Disclosed is a light source device which maintains illumination colour balance and light intensity without requiring widespread system changes from a light source lamp, and a projection image display device using same. A light source device (10) comprises: an exciting laser light source which is a solid state light source (50); a fluorescent body (60) which is excited by ultraviolet light contained in laser light output by the exciting laser light source and emits light in the visible range; a reflector (56) to reflect light emitted by the fluorescent body (60) and output same in a specified direction; and a fluorescent body mount (62) which positions the fluorescent body (60) at the focal position of the reflector (56). The fluorescent body mount (62) is provided with a reflecting mirror (61) in order to effectively guide light emitted by the fluorescent body (60) to the reflective surface of the reflector (56).

MAEDA Makoto (5-5,Keihan-Hondori 2-chome,Moriguchi-sh, Osaka 77, 〒5708677, JP)
前田　誠 (〒77 大阪府守口市京阪本通２丁目５番５号　三洋電機株式会社内 Osaka, 〒5708677, JP)
MATSUMOTO Shinya (5-5,Keihan-Hondori 2-chome,Moriguchi-sh, Osaka 77, 〒5708677, JP)

JP2011/056613

September 29, 2011

March 18, 2011

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SANYO Electric Co.,Ltd. (5-5Keihan-Hondori 2-chome, Moriguchi-shi Osaka, 77, 〒5708677, JP)
三洋電機株式会社 (〒77 大阪府守口市京阪本通２丁目５番５号 Osaka, 〒5708677, JP)
MAEDA Makoto (5-5,Keihan-Hondori 2-chome,Moriguchi-sh, Osaka 77, 〒5708677, JP)
前田　誠 (〒77 大阪府守口市京阪本通２丁目５番５号　三洋電機株式会社内 Osaka, 〒5708677, JP)

G03B21/14; F21S2/00; G03B21/00; H04N9/31; F21Y101/02

KADOYA Hiroshi (5-5,Keihan-Hondori 2-chome,Moriguchi-sh, Osaka 77, 〒5708677, JP)

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