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Title:
PROJECTOR
Document Type and Number:
Japanese Patent JP2013025247
Kind Code:
A
Abstract:

To provide a projector using local dimming technique in which luminance unevenness between divided regions recognizable by an observer is low, and higher image quality display is possible.

A projector 1 includes: a light source unit 2 including a first light source and a second light source; a scatterer for scattering light from the light source unit 2; an optical modulator; a condensation optical system that projects a first light flux from the first light source to a first region of the scatterer and projects a second light flux of the second light source to a second region of the scatterer; and an imaging optical system 5 that projects the first scattered light from the first region of the scatterer to a first divided region of the optical modulator and projects the second scattered light from the second region of the scatterer to a second divided region of the optical modulator.


Inventors:
MIYAMAE AKIRA
EGAWA AKIRA
Application Number:
JP2011162094A
Publication Date:
February 04, 2013
Filing Date:
July 25, 2011
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
G03B21/14; G02B5/02; G02B19/00; G02F1/13; G02F1/13357; G03B21/00
Domestic Patent References:
JP2010204604A2010-09-16
JP2008152019A2008-07-03
JP2007033577A2007-02-08
JP2008268465A2008-11-06
JP2005234006A2005-09-02
JP2007033578A2007-02-08
JP2007286110A2007-11-01
Attorney, Agent or Firm:
Masatake Shiga
Kazunori Onami