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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/209986
Kind Code:
A1
Abstract:
The present invention realizes simple three-dimensional display by providing a region in which diffused lights from adjacent projection devices overlap one another in the reachable range of the diffused lights. The present invention comprises: a retroreflective diffusion screen 12 that is provided with a retroreflective material 13 and a transmissive diffusion layer 14; and three or more projection devices 20 that project images on the retroreflective diffusion screen 12. The images projected from the adjacent projection devices 20 are projected so as to be mutually diffused in the state of overlapping one another. The images reflected on the retroreflective diffusion screen are observed from positions behind the projection devices 20.

Inventors:
TAKADA HIDEAKI (JP)
Application Number:
PCT/JP2022/012419
Publication Date:
October 06, 2022
Filing Date:
March 17, 2022
Export Citation:
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Assignee:
UNIV NAGASAKI (JP)
International Classes:
G02B30/35; G03B21/00; G03B21/60; H04N13/351; H04N13/363
Foreign References:
JP2016024311A2016-02-08
Attorney, Agent or Firm:
ARAFUNE, Hiroshi et al. (JP)
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