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Title:
LIGHT SOURCE APPARATUS, PROJECTOR, AND METHOD FOR LIGHTING IMAGE MODULATION ELEMENT
Document Type and Number:
WIPO Patent Application WO/2014/102907
Kind Code:
A1
Abstract:
This light source apparatus is provided with: a fluorescent body; an excitation light source that outputs excitation light for exciting the fluorescent body; a first uniformizing optical element that outputs light by making illuminance distribution of the excitation light more uniform; a second uniformizing optical element that outputs light by making illuminance distribution of fluorescence outputted from the fluorescent body more uniform; a first optical system that guides the excitation light to the first uniformizing optical element; a second optical system that guides light outputted from the first uniformizing optical element to the fluorescent body; and a third optical system that guides, to the second uniformizing optical element, the fluorescent outputted from the fluorescent body.

Inventors:
SAITOU HIROYUKI (JP)
Application Number:
PCT/JP2012/083504
Publication Date:
July 03, 2014
Filing Date:
December 25, 2012
Export Citation:
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Assignee:
NEC DISPLAY SOLUTIONS LTD (JP)
SAITOU HIROYUKI (JP)
International Classes:
F21S2/00; F21V5/00
Domestic Patent References:
WO2012053245A12012-04-26
Foreign References:
JP2012123948A2012-06-28
Attorney, Agent or Firm:
MIYAZAKI, Teruo et al. (JP)
Akio Miyazaki (JP)
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