LIGHT SOURCE DEVICE AND PROJECTOR

Title:

LIGHT SOURCE DEVICE AND PROJECTOR

Document Type and Number:

WIPO Patent Application WO/2012/004959

Kind Code:

A1

Abstract:

Disclosed is a light source device (10) which comprises: an excitation light generating unit (20) that comprises a solid light source array (22) having solid light sources, each of which generates excitation light; an excitation light generating unit (30) that comprises a solid light source array (32) having solid light sources, each of which generates excitation light; an excitation light synthesizing unit (50) that synthesizes the excitation light from the excitation light generating unit (20) and excitation light from the excitation light generating unit (30); a focusing optical system (60) that focuses the excitation light to a predetermined focusing point; and a fluorescence generating unit (70) that has a fluorescent layer which generates fluorescence from at least a part of the excitation light focused by means of the focusing optical system (60).

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Inventors:

AKIYAMA KOICHI (JP)

Application Number:

PCT/JP2011/003782

Publication Date:

January 12, 2012

Filing Date:

July 01, 2011

Export Citation:

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Assignee:

SEIKO EPSON CORP (JP)
AKIYAMA KOICHI (JP)

International Classes:

G03B21/14; F21V3/04; F21V5/00; F21V5/04; G02B3/00; G02F1/13; F21Y101/02

Foreign References:

JP2011158502A	2011-08-18
JP2009259583A	2009-11-05
JP2010085740A	2010-04-15

Other References: