Title:
AERIAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/190493
Kind Code:
A1
Abstract:
An aerial display device (1) according to an embodiment of the present invention includes planar light-emitting bodies (3, 4), a retroreflective sheet (5), and a half mirror (6). The planar light-emitting bodies (3, 4) include a light-emitting part (4b). The retroreflective sheet (5) is disposed on the exit-surface side of the planar light-emitting bodies (3, 4) and has, at a position corresponding to the light-emitting part (4b), multiple through-holes (5a) representing a figure to be displayed in the air. The half mirror (6) is disposed on the exit-surface side of the retroreflective sheet (5).
Inventors:
YAMADA TAKU (JP)
OHARA TOMOKO (JP)
HAMADA SHOHEI (JP)
YAMAMOTO HIROTSUGU (JP)
OHARA TOMOKO (JP)
HAMADA SHOHEI (JP)
YAMAMOTO HIROTSUGU (JP)
Application Number:
PCT/JP2021/045703
Publication Date:
September 15, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
G02B30/56; G02B5/124; G02B30/60; G09F13/18; H04N13/302
Domestic Patent References:
| WO2019039600A1 | 2019-02-28 | |||
| WO2018043673A1 | 2018-03-08 |
Foreign References:
| JP2018081138A | 2018-05-24 | |||
| JP2012163701A | 2012-08-30 | |||
| JP2016534413A | 2016-11-04 | |||
| US20150153577A1 | 2015-06-04 | |||
| JP2018513401A | 2018-05-24 | |||
| JPH08272326A | 1996-10-18 |
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
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