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Title:
VIRTUAL IMAGE DISPLAY DEVICE, MOVABLE BODY, VIRTUAL IMAGE DISPLAY DEVICE DRIVING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2024/070204
Kind Code:
A1
Abstract:
This virtual image display device is provided with a backlight, a display panel, an optical system, and a backlight control part. The backlight has a plurality of light emitting parts, and a light emitting surface which enables emission of light from the plurality of light emitting parts. The display panel has a display surface which displays an image by the light emitted through the light emitting surface. The optical system enlarges an image on the display surface and an image on the light emitting surface at different magnifications and forms the images as a virtual image in the visual field of a user. The backlight control part switches, in accordance with the image displayed on the display panel, the plurality of light emitting parts to either a light-emitting state or a non-light-emitting state, to perform local dimming control. The size of the light emitting surface is smaller than the size of the display surface.

Inventors:
TANAKA YOSHIKI (JP)
MORISHITA KATSUHIKO (JP)
OZAWA RYOSUKE (JP)
EBISU YOICHI (JP)
OGURA KENJI (JP)
SHIMADA TAKASHI (JP)
MOCHIZUKI YU (JP)
Application Number:
PCT/JP2023/028198
Publication Date:
April 04, 2024
Filing Date:
August 01, 2023
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
G02B27/01; B60K35/00; G02F1/13357; G09F9/00
Domestic Patent References:
WO2020012546A12020-01-16
Foreign References:
JP2019061128A2019-04-18
JP2020112667A2020-07-27
JP2013025247A2013-02-04
JP2021076622A2021-05-20
JP2017107057A2017-06-15
Attorney, Agent or Firm:
SAIKYO, Keiichiro (JP)
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