Title:
PROJECTION VIDEO DISPLAY DEVICE AND PHASE DIFFERENCE PLATE
Document Type and Number:
WIPO Patent Application WO/2013/187080
Kind Code:
A1
Abstract:
Provided is a projection video display device with which it is possible to alleviate crosstalk arising between a left-eye viewpoint image and a right-eye viewpoint image. A projection video display device comprises a liquid-crystal element which switches a polarized light of light which is emitted from a DMD between a first polarized light and a second polarized light, and a phase difference plate which is disposed on a projection face side with respect to the liquid-crystal element. The phase difference plate further comprises either a fast axis or a slow axis which differs for each of a plurality of areas.
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Inventors:
OTANI SOSUKE (JP)
MASHITANI KEN (JP)
ABE TAKAAKI (JP)
MAEDA MAKOTO (JP)
SATO YOSHITAKA (JP)
MASHITANI KEN (JP)
ABE TAKAAKI (JP)
MAEDA MAKOTO (JP)
SATO YOSHITAKA (JP)
Application Number:
PCT/JP2013/003775
Publication Date:
December 19, 2013
Filing Date:
June 17, 2013
Export Citation:
Assignee:
COLORLINK JAPAN LTD (JP)
International Classes:
G02B30/25; G03B21/00; G03B21/14; G03B35/00; H04N13/363
Foreign References:
| JP2011257645A | 2011-12-22 | |||
| JPH07270780A | 1995-10-20 | |||
| JP2011048071A | 2011-03-10 | |||
| JP2011048070A | 2011-03-10 |
Attorney, Agent or Firm:
RYUKA IP LAW FIRM (JP)
Ryuka international patent business corporation (JP)
Ryuka international patent business corporation (JP)
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