Title:
FLOATING IMAGE INFORMATION DISPLAY SYSTEM AND OPTICAL SYSTEM USED THEREFOR
Document Type and Number:
Japanese Patent JP2023117741
Kind Code:
A
Abstract:
To allow for appropriately displaying images to the outside of a space so as to contribute to sustainable development goals of "3. good health and well-being for all," "9. building a foundation for industry and technological innovation," and "11. creating sustainable cities."SOLUTION: A floating image information display system is provided, comprising a display panel for displaying images, a light source device for the display device, a retroreflective member configured to reflect image light from the display panel to cause a floating image of a real image in the air using the reflected light, and an image light control sheet for converting an optical path of the image light. The image light control sheet is located between the retroreflective member and the display panel.SELECTED DRAWING: Figure 36
Inventors:
HIRATA KOJI
FUJITA KOJI
SUGIYAMA TOSHINORI
FUJITA KOJI
SUGIYAMA TOSHINORI
Application Number:
JP2022020465A
Publication Date:
August 24, 2023
Filing Date:
February 14, 2022
Export Citation:
Assignee:
MAXELL LTD
International Classes:
G02B30/56; G03B35/00; G09F9/00
Attorney, Agent or Firm:
Patent Attorney Tsutsui International Patent Office
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