Title:
OPTICAL FILM AND AERIAL IMAGE DISPLAY DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2019109407
Kind Code:
A
Abstract:
To provide an optical film having excellent productivity and an aerial image display device capable of creating a large aerial image by using the optical film, acquiring sufficient brightness, and displaying an aerial image of high image quality.SOLUTION: An optical film is configured such that a roll-shaped λ/4 plate having a slow axis in a direction from 30 to 60 degrees relative to a long direction is bonded on a roll-shaped retroreflective reflection material in a roll-to-roll manner. Then, an aerial image display device including an image display device, a reflective polarization plate (half mirror), and a retroreflective reflection material is constructed by using the optical film.SELECTED DRAWING: Figure 2
Inventors:
SHINAGAWA YUKIO
AMIMORI ICHIRO
ISHIBASHI TADASHI
AMIMORI ICHIRO
ISHIBASHI TADASHI
Application Number:
JP2017243464A
Publication Date:
July 04, 2019
Filing Date:
December 20, 2017
Export Citation:
Assignee:
SN PARTNERSLLC
International Classes:
G02B27/22; G02B5/12; G02B5/30
Attorney, Agent or Firm:
Shinto International Patent Office