Title:
OPTICAL DISPLAY BODY AND OPTICAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/159611
Kind Code:
A1
Abstract:
The present invention provides an optical display body used for an optical display device for a vehicle, the optical display body being characterized by having a transmission-type Fourier transform hologram region in which a Fourier-transformed image obtained through Fourier transform of an original image is recorded, wherein the transmission-type Fourier transform hologram region is a region in which light incident from a light source is transmitted and transformed into an optical image, and the ratio of the number of pixels in the optical image to the total number of pixels in the original image is equal to or less than 1200/100 million.
Inventors:
SUZUKI SHINICHIRO (JP)
SAKUMA KAZUKI (JP)
SAKUMA KAZUKI (JP)
Application Number:
PCT/JP2018/007257
Publication Date:
September 07, 2018
Filing Date:
February 27, 2018
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G03H1/22; B60Q1/50; G02B5/32; G09F19/12; G09F19/22
Domestic Patent References:
| WO2016208594A1 | 2016-12-29 |
Foreign References:
| JP2016088397A | 2016-05-23 |
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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