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Patent Searching and Data


Title:
LIGHT SOURCE DEVICE AND PROJECTOR USING THE SAME
Document Type and Number:
Japanese Patent JP2016103039
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device that can create a color image without the need of dividing a fluorescent area of a phosphor into a fluorescent area using one light source part and generates fluorescence having a yellow component and a fluorescent area generating fluorescence having a red component.SOLUTION: A light source device of the present invention irradiates an image forming element 13 with at least light having a red component and light having a green component while temporally dividing the light and forms a color image on a screen S with the image forming element 13. The light source device includes: a light source part 1 that generates light having a blue component; a phosphor 5 that includes a fluorescent film 5a generating fluorescence including light having a green component and red component and a fluorescent film 5a' generating fluorescence having a green component; and a color component switching part 10 that transmits, while switching, the light generated by the light source part 1, red component of fluorescence generated by the fluorescent film 5a, fluorescence generated by the fluorescent film 5a, and fluorescence having a green component generated by the fluorescent film 5a'.SELECTED DRAWING: Figure 17

Inventors:
MAEDA IKUO
FUJITA KAZUHIRO
MURAI TOSHIHARU
TAKAHASHI TATSUYA
NISHIMORI TAKEHIRO
Application Number:
JP2016017227A
Publication Date:
June 02, 2016
Filing Date:
February 01, 2016
Export Citation:
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Assignee:
RICOH CO LTD
International Classes:
G03B21/14; F21S2/00; F21V7/22; F21V9/16; F21V9/40; F21V13/00; F21V14/08; G03B21/00; H04N9/31
Domestic Patent References:
JP2011158502A2011-08-18
JP2012203262A2012-10-22
JP2012053162A2012-03-15
JP2011128522A2011-06-30
Attorney, Agent or Firm:
Tamio Nishiwaki