Anti-counterfeiting function packaging film with three-dimensional and dynamic display effect

A dynamic display and packaging film technology, applied in packaging, wrapping paper, transportation and packaging, etc., can solve the problems of high cost, harsh observation conditions, and difficult to judge the authenticity of the logo, and achieve the effect of improving attractiveness and strong anti-counterfeiting characteristics

Active Publication Date: 2015-09-23
SHANGHAI TECHSUN ANTI COUNTERFEITING TECH HLDG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Laser holography technology is currently the most widely used 3D display technology, but its observation conditions are relatively harsh, it is difficult for consumers to judge the authenticity of the logo, and the cost is high, the format is small, and it cannot be used for large-format packaging
In addition, the technology spreads seriously, and the product packaging is easy to be imitated and copied, which greatly reduces its anti-counterfeiting performance

Method used

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  • Anti-counterfeiting function packaging film with three-dimensional and dynamic display effect
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  • Anti-counterfeiting function packaging film with three-dimensional and dynamic display effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] preparation figure 1 and figure 2 The anti-counterfeiting functional packaging film with three-dimensional and dynamic display effects.

[0038] Wherein: the microlens array 2 is arranged in a rectangle, and the aperture of the microlens is 25 microns;

[0039] The information layer 3 is formed by arrangement of miniature letters TC, and the arrangement period is the same as that of the microlens array. The seam width of the miniature letters TC is 3 microns, and the magnification effect is as follows: image 3 , the miniature letter TC constitutes the word TC with a macroscopic size of 10cm*10cm, such as Figure 4 shown.

[0040] The diameter D of the microlens, the height h of the microlens, the refractive index n of the lens material and the thickness d of the film body satisfy the following relationship:

[0041] d = D 2 + 4 ...

Embodiment 2-3

[0053] preparation figure 1 and figure 2 The anti-counterfeiting functional packaging film with three-dimensional and dynamic display effects. The structural parameters of the lens are the same as in Example 1. The lens material and information layer material are UV-curable fatty acid-modified epoxy acrylate or a mixture of styrene and epoxy acrylate. The process is the same as in Example 1.

[0054] in:

[0055] The refractive index n of UV-curable fatty acid modified epoxy acrylate is 1.56;

[0056] The refractive index n of the mixture of styrene and epoxy acrylate is 1.55;

[0057] The size of the macroscopic pattern of the information layer after being extracted and enlarged by the microlens array is 15 mm.

Embodiment 4

[0059] preparation figure 1 and figure 2 The anti-counterfeiting functional packaging film with three-dimensional and dynamic display effects.

[0060] Wherein: the microlens array 2 is arranged in a rectangle, and the aperture of the microlens is 25 microns;

[0061] The information layer 3 is formed by arrangement of miniature letters TC, and the arrangement period is the same as that of the microlens array. The seam width of the miniature letters TC is 3 microns, and the magnification effect is as follows: image 3 , the miniature letter TC constitutes the word TC with a macroscopic size of 10cm*10cm, such as Figure 4 shown.

[0062] The diameter D of the microlens, the height h of the microlens, the refractive index n of the lens material and the thickness d of the film body satisfy the following relationship:

[0063] d = D 2 + 4 ...

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Abstract

The invention provides a packaging film with an anti-fake function with three-dimensional dynamic displaying effect. The packaging film is a film body (1) with a front surface and a back surface. A micro lens array (1) distributed periodically is arranged on the front surface of the film body (1), and an information layer (3) with macroscopic patterns is arranged on the back face of the film body (1). The packaging film has the three-dimensional dynamic displaying effect. The micro lens array on the front surface of the film body and the information layer on the back face of the film body are difficulty to copy, so that the packaging film has strong anti-fake characteristics. The packaging film simultaneously improves attraction force of packaged products.

Description

technical field [0001] The invention relates to an anti-counterfeiting packaging material. Background technique [0002] Packaging is the "silent salesman" of the product. In addition to protecting the product, it must also be committed to beautification, publicity, and induce consumers' desire to buy, so as to enhance the competitiveness of the product in the market. At present, most of the packaging is a two-dimensional planar pattern formed by printing or spraying. With the continuous improvement of living standards, the product's requirements for packaging are not only visually simple decorative patterns, but also require anti-counterfeiting functions. [0003] In order to improve the decorative effect and anti-counterfeiting characteristics of packaging, three-dimensional image display technology has been introduced into packaging. Laser holographic technology is currently the most widely used 3D display technology, but its observation conditions are relatively harsh,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D65/38
Inventor 徐良衡庄孝磊高芸游仁顺
Owner SHANGHAI TECHSUN ANTI COUNTERFEITING TECH HLDG
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