Title:
AERIAL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2022139535
Kind Code:
A
Abstract:
To provide an aerial display device that is suitable for displaying a fixed light emission pattern in the air, the device being capable of changing brightness or a color of the light emission pattern.SOLUTION: An aerial display device according to an embodiment includes a retroreflection sheet, a plurality of planer light emission bodies, and a half mirror. The retroreflection sheet has a plurality of through-holes where a drawing to be aerially displayed is shown. The plurality of planer light emission bodies is arranged on a back surface side of the retroreflection sheet according to the light emission pattern of the through-holes of the retroreflection sheet. The half mirror is arranged on the exit surface side of the retroreflection sheet.SELECTED DRAWING: Figure 2
Inventors:
HAMADA SHOHEI
YAMADA ATSUSHI
OHARA TOMOKO
YAMADA ATSUSHI
OHARA TOMOKO
Application Number:
JP2021039968A
Publication Date:
September 26, 2022
Filing Date:
March 12, 2021
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
G02B30/60; G09F13/18; H04N13/122; H04N13/302
Attorney, Agent or Firm:
Toranomon Intellectual Property Office