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Title:
IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/149512
Kind Code:
A1
Abstract:
An image display device according to an embodiment of the present technology is provided with a first screen and a second screen. The first screen has an image surface for forming an object image, and projects the object image obliquely from the image surface. The second screen has an incidence surface which is disposed parallel to the image surface and on which image light of the object image is incident. The second screen diffracts the image light along an emission direction different from a specular direction corresponding to the incidence direction of the image light on the incidence surface, and forms a virtual image parallel to the object image.

Inventors:
SHIMIZU KAZUE (JP)
KASEGAWA RYO (JP)
MITANI SATOSHI (JP)
Application Number:
PCT/JP2021/000469
Publication Date:
July 29, 2021
Filing Date:
January 08, 2021
Export Citation:
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Assignee:
SONY GROUP CORP (JP)
International Classes:
G02B27/01; G02B5/18; G02B5/32; G02B27/42; H04N5/64
Domestic Patent References:
WO2005093493A12005-10-06
Foreign References:
JP2000233665A2000-08-29
JP2006113182A2006-04-27
JP2004102204A2004-04-02
JP2000066136A2000-03-03
US20160274450A12016-09-22
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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