Title:
AERIAL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2022139533
Kind Code:
A
Abstract:
To provide an aerial display device that can perform an appropriate aerial display.SOLUTION: An aerial display device according to an embodiment includes a retroreflection sheet, a transparent display device, and a half mirror. The transmission display device is arranged on a retroreflection surface side of the retroreflection sheet. The half mirror is arranged on a light exit surface side of the transparent display device. The transparent display device has a light guide plate with a light emitting unit for an aerially displayed drawing. The light emitting unit is formed of a recessed optical element of which cross-sectional shape is a V-shape, a polygon, or a top-flat arc shape.SELECTED DRAWING: Figure 2
Inventors:
OHARA TOMOKO
YAMADA ATSUSHI
HAMADA SHOHEI
YAMAMOTO HIROTSUGU
YAMADA ATSUSHI
HAMADA SHOHEI
YAMAMOTO HIROTSUGU
Application Number:
JP2021039964A
Publication Date:
September 26, 2022
Filing Date:
March 12, 2021
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
G02B30/60; G09F13/18; H04N13/302
Attorney, Agent or Firm:
Toranomon Intellectual Property Office