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Display object

A technology for displaying areas and objects, which is applied in the field of display objects, can solve the problems of lack of designability of Fourier transform holograms, and achieve the effect of colorful design and high security

Inactive Publication Date: 2017-08-29
DAI NIPPON PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In this way, there is a problem that Fourier transform holograms lack designability without being irradiated with light from a point light source or a laser light source.

Method used

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Examples

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Embodiment Construction

[0031] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. In addition, in the drawings attached to this specification, in order to facilitate understanding of the illustrations, the scales, the aspect ratios, and the like may be appropriately changed or exaggerated depending on the actual objects.

[0032] figure 1 (a) is a plan view showing a display object according to one embodiment of the present invention. figure 1 (b) is enlarged to show figure 1 A diagram of a part of one display area in the display of (a). figure 1 (c) is enlarged to show figure 1 A diagram of a part of another display area in the display of (a). figure 2 is showing figure 1 The figure of the cross-section cut along the line A-A of the object shown in (a).

[0033] Such as figure 1 (a)~(c) and figure 2 As shown, the display object 10 of the present embodiment has a transparent base material 11 and a plurality of (four in the ...

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Abstract

This display object (10) is provided with a plurality of display areas (12, 13a-13c). The display areas adjacent to each other are different in at least one of average color, average brightness, and average chroma, and a first subject to be displayed (21) is formed by a combination of the plurality of display areas (12, 13a-13c). At least one of the display areas (12, 13a-13c) includes a Fourier transform hologram (20R, 20Y) for transforming light incident from a point light source into a light image of a second subject to be displayed.

Description

technical field [0001] The present invention relates to a display object having various designs according to the presence or absence of point light sources. In addition, the present invention relates to a security medium, a window, and a lighting fixture having the display. Background technique [0002] A hologram is an image obtained by interfering two lights of equal wavelength (object light and reference light) and recording the wavefront of the object light as interference fringes on a photosensitive material. Regarding the pattern of interference fringes to be formed on the hologram, it is possible to use a computer instead of the actual object light and reference light, according to the wavelength of the predetermined reproduction illumination light, the incident direction, and the shape and position of the image to be reproduced, etc. design. The hologram obtained in this way is also called a computer generated hologram (CGH: Computer Generated Hologram). [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03H1/02B42D25/328E06B9/24F21S6/00F21V1/00G03H1/04F21Y115/10
CPCE06B9/24F21S6/00F21V1/00B42D25/328G03H1/0236G03H1/08G03H1/2249G03H1/2286G03H1/30G03H2001/0292G03H2001/261G03H2240/22G03H2240/43G03H2260/14G03H1/0011G03H1/02G03H1/04E06B7/28F21S6/002G03H1/024G03H1/16G03H2001/0055G03H2001/0216G09F9/30G09F19/12G09F23/00G09F23/04
Inventor 佐藤知枝北村满卫藤浩司山内豪老川伸子
Owner DAI NIPPON PRINTING CO LTD
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