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Patent Searching and Data


Title:
LIGHT SOURCE DEVICE AND PROJECTION VIDEO DISPLAY APPARATUS PROVIDED WITH LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/186258
Kind Code:
A1
Abstract:
A laser light source module (10) is composed of a plurality of unit laser light source modules each of which emits laser light of one color, and when the laser light source module (10) is composed of the unit laser light source modules of two or more colors, the unit laser light source module in which the median of a temperature range where practical luminance can be obtained is high is thermally connected to an evaporator (25) on the further upstream side of the flow of a refrigerant than the unit laser light source module in which the median of the temperature range where the practical luminance can be obtained is low.

Inventors:
ITO DAISUKE (JP)
HIROSE TATSURO (JP)
Application Number:
PCT/JP2014/065147
Publication Date:
December 10, 2015
Filing Date:
June 06, 2014
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F21S2/00; H01S5/024; F21V29/00; G03B21/16; F21Y101/02
Foreign References:
JP2009086269A2009-04-23
JP2012042699A2012-03-01
JP2013190594A2013-09-26
JP2013011841A2013-01-17
JP2003273445A2003-09-26
JP2000040850A2000-02-08
JP2012175086A2012-09-10
US20100118902A12010-05-13
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
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