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Patent Searching and Data


Title:
ILLUMINATING DEVICE AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2019/111627
Kind Code:
A1
Abstract:
The illuminating device of the present disclosure is provided with: an excitation light source that emits excitation light; a fluorescent material section having a fluorescence emitting surface that emits fluorescence when the excitation light is inputted; an excitation light intensity distribution generation unit, which is provided between the excitation light source and the fluorescent material section, and which changes the intensity distribution of the excitation light so that excitation light intensity distribution within the fluorescence emitting surface is close to desired excitation light intensity distribution; and an illuminating optical system that generates, on the basis of light generated by means of the fluorescent emission from the fluorescent material section, illuminating light to be applied to an image display element.

Inventors:
KOBAYASHI, Izushi (1-7-1 Konan, Minato-k, Tokyo 75, 〒1080075, JP)
SATO, Yoshihisa (1-7-1 Konan, Minato-k, Tokyo 75, 〒1080075, JP)
Application Number:
JP2018/041519
Publication Date:
June 13, 2019
Filing Date:
November 08, 2018
Export Citation:
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Assignee:
SONY CORPORATION (1-7-1, Konan Minato-k, Tokyo 75, 〒1080075, JP)
International Classes:
G03B21/14; F21S2/00; F21V14/04; F21V23/00; F21V29/502; F21V29/503; G02F1/13; G03B21/00; G03B21/16; G09G3/20; G09G3/34; G09G3/36; H04N5/74; H05B37/02; F21Y115/10; F21Y115/30
Domestic Patent References:
WO2017033369A12017-03-02
Foreign References:
JP2014062951A2014-04-10
JP2011227468A2011-11-10
JP2004226631A2004-08-12
JP2010217566A2010-09-30
JP2007264192A2007-10-11
US20070110386A12007-05-17
JP2006106691A2006-04-20
JP2001100699A2001-04-13
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (3F Sawada Building, 15-9 Shinjuku 1-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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