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A printing structure for thermally changing two-dimensional codes

A technology of two-dimensional code and printing layer, which is applied in the field of printing structure of thermally variable two-dimensional code, which can solve the problems of the anti-counterfeiting effect of heat-sensitive color-changing ink, etc., and achieve the effect of low production cost, simple detection operation and simple production steps

Active Publication Date: 2016-08-31
HUBEI GOLDEN THREE GORPRINTING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is precisely because of its wide use and the promotion and popularization of preparation technology that the anti-counterfeiting effect of heat-sensitive color-changing inks has declined.

Method used

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  • A printing structure for thermally changing two-dimensional codes
  • A printing structure for thermally changing two-dimensional codes
  • A printing structure for thermally changing two-dimensional codes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Such as Figure 1~3 Among them, a printing structure for thermally changing two-dimensional codes, including a printing layer 1, and the printing layer 1 is provided with at least one of a dark information area 4 and / or a light information area 5 containing a two-dimensional code Color changing ink layer 2.

[0023] With this structure, the usual printing layer 1 is a relatively single color, such as dark or light, and the color-changing ink layer 2 is a reversible temperature-changing color ink that is transparent at normal temperature and then becomes light or dark after heating. The lower color-changing ink layer 2 is almost invisible, and after heating, it shows a dark information area 4 or a light information area 5, and the printing layer 1 can be displayed as a light information area 5 or a dark information area 4 accordingly. device read.

[0024] Or the optimization scheme is as follows:

[0025] 1. In this example, design the number "12345" as the coding in...

Embodiment 2

[0035] On the basis of Example 1, optional schemes such as figure 1 Among them, a dark information area 4 and a light information area 5 are printed on the printing layer 1, and the color-changing ink layer 2 is a reversible temperature-change decolorizing ink, covering the dark information area 4 of the printing layer 1 or light information area 5. In this example, a reversible temperature-changing color-eliminating ink is used, that is, a certain color is displayed at room temperature, and the color disappears and becomes colorless after heating, and immediately returns to the original color after cooling. When the color is dark, such as blue, it will be as image 3 The white light-colored information area 5 is set aside, and then the light-colored information area 5 is heated at room temperature to blue, and then the color disappears and becomes colorless and transparent. The color-changing ink layer 2 is overprinted to cover the light-colored information area 5 At normal...

Embodiment 3

[0037] In both embodiments 1 and 2, there are relatively large requirements for the pattern of the original printing layer 1, and it is usually required that the color transition of the pattern is not large, and it must be one of dark or light colors, so the restriction on the pattern is relatively large.

[0038] On the spirit of embodiment 1 and 2, another optional scheme is as figure 2Among them, the printing layer 1 does not contain a two-dimensional code, and the printing layer 1 is provided with a color-changing ink layer 2 and a second color-changing ink layer 3 that are overprinted with each other. The color-changing ink layer 2 and the second color-changing ink layer 3 respectively represent two In the dark information area 4 and the light information area 5 of the two-dimensional code, the color-changing ink layer 2 and the second color-changing ink layer 3 are reversible temperature-changing color-developing inks. That is, it is colorless at room temperature, chang...

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Abstract

A thermally variable two-dimensional code printing structure includes a printing layer, and the printing layer is provided with at least one color-changing ink layer containing a dark information area and / or a light information area of ​​the two-dimensional code. The printing layer does not contain a two-dimensional code, and a printing layer and a color-changing ink layer respectively containing a dark information area and a light information area are overprinted on the printing layer; Print layer and color shifting ink layer for dark information areas. A dark information area and a light information area are printed on the printing layer, and the color-changing ink layer is a reversible temperature-changing achromatic ink covering the dark information area or the light information area of ​​the printing layer. The invention solves the problem of utilizing the two-dimensional code to carry out commodity identity authentication and anti-counterfeiting without affecting the effect of packaging and decoration. It has the characteristics of low production cost, convenient and quick verification, high recognition rate and no influence on the appearance. It can be used by consumers, manufacturers, etc. for product authenticity identification and commodity identification.

Description

technical field [0001] The invention relates to an information anti-counterfeiting structure in the technical field of commodity packaging and printing, in particular to a printing structure for displaying a two-dimensional code through thermal change. Background technique [0002] In recent years, with the rapid development of technologies such as computers, people have begun to use remote servers to identify the authenticity of commodities. For example, one of the more common anti-counterfeiting technologies promoted on the market now is the two-dimensional barcode / two-dimensional graphic code anti-counterfeiting technology. This technology can express information in both horizontal and vertical directions at the same time, so it can express a large amount of information in a small area. At the same time, this coding technology can also identify each commodity. However, because its essence is still a digital code composed of "0" and "1", in terms of color performance, it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F3/02G06K19/06
Inventor 唐嘉宋春曹邦黄佐华
Owner HUBEI GOLDEN THREE GORPRINTING IND
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