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Title:
PROJECTOR AND PROJECTION SYSTEM
Document Type and Number:
Japanese Patent JP2013120264
Kind Code:
A
Abstract:

To provide projectors and a projection system which allow a projection image to be excellently and stereoscopically viewed.

A projector 2A comprises: a polarization switching device 22 in which a retardation value is switched between a first retardation value and a second retardation value for changing polarization states of light beams modulated by optical modulators 24A and 24B; and a controlling device 23. The controlling device 23 comprises: a display controlling section 234 for causing the optical modulators 24A and 24B to form one image of an image for a left eye and an image for a right eye in a first period out of first and second periods alternately switched therebetween and further causing the optical modulators 24A and 24B to form the other image in a second period; and a polarization controlling section 235 for switching the retardation value of the polarization switching device 22 to one retardation value of the first retardation value and the second retardation value in the first period and further switching the retardation value thereof to the other retardation value in the second period.


Inventors:
ENDO TAKASHI
Application Number:
JP2011267783A
Publication Date:
June 17, 2013
Filing Date:
December 07, 2011
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
G03B21/14; G02B19/00; G02B27/22; G02C7/12; G02F1/13; G02F1/1335; G03B21/00; H04N13/04
Attorney, Agent or Firm:
Intellectual Property Office