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Patent Searching and Data


Title:
IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/075180
Kind Code:
A1
Abstract:
Provided is an image display device that has a small overall device volume and can be miniaturized. The image display device has: an image display element; a light-guide plate to which light irradiated by the image display element is incident and which totally internally reflects and guides light that fulfills total internal reflection conditions; and a retroreflection element that is provided on the surface of the light-guide plate and retroreflects light guided through the interior of the light-guide plate.

Inventors:
YANAI YUJIRO (JP)
YAMADA NAOYOSHI (JP)
Application Number:
PCT/JP2020/034114
Publication Date:
April 22, 2021
Filing Date:
September 09, 2020
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/124; G02B5/18; G02B5/30; G02B27/42; G02B30/00; G02B30/25; G09F9/00; H04N13/302; H04N13/346
Domestic Patent References:
WO2019097895A12019-05-23
WO2019039600A12019-02-28
Foreign References:
JP2010534867A2010-11-11
US20180120559A12018-05-03
JP2017142361A2017-08-17
EP2317367A12011-05-04
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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