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Multi-way invisible fluorescent ink anti-fake label with different patterns

A fluorescent ink and anti-counterfeiting label technology, which is applied in the field of invisible fluorescent ink anti-counterfeiting labels, can solve the problems of difficult imitation and high imitation difficulty, and achieve the effect of high concealment and easy identification

Inactive Publication Date: 2013-02-20
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] (3) Difficulty in imitation
For the imitation of invisible fluorescent ink anti-counterfeiting labels with multi-directional and different patterns, not only the invisible fluorescent ink used in each layer needs to be imitated, but also the energy band characteristics of photonic crystals should be known, so that the energy band characteristics are suitable for the invisible fluorescent light in each layer The spectral characteristics also need to design the direction of the incident light and the direction of the outgoing light, which is very difficult to imitate

Method used

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  • Multi-way invisible fluorescent ink anti-fake label with different patterns
  • Multi-way invisible fluorescent ink anti-fake label with different patterns
  • Multi-way invisible fluorescent ink anti-fake label with different patterns

Examples

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Embodiment 1

[0045] In this example, the structure of an invisible fluorescent ink anti-counterfeiting label with multi-directional and different patterns is as follows: figure 1 shown. Comprising lining layer 11, fluorescent ink layer one 12, fluorescent ink layer two 13, prism glass layer 14, photonic crystal layer one 15 and photonic crystal layer two 16 successively from bottom to top, in this example, photonic crystal layer one 15 and The second photonic crystal layer 16 is respectively coated on the same direction and parallel surface of the prism glass layer 14 by means of physical vapor deposition, and is distributed periodically.

[0046] Such as figure 2 As shown, the photonic crystal layer 15 is made of MgF 2 and ZrO 2 composition, where MgF 2 The thickness is 40 nm, ZrO 2 The thickness of the two materials is 30 nanometers, and the two materials are distributed according to the quasi-periodic Fibonacci sequence (referred to as the FB sequence), and the structure is as fol...

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Abstract

The invention discloses a multi-way invisible fluorescent ink anti-fake label with different patterns, and belongs to the field of anti-fake technology. The anti-fake label comprises a lining layer, a fluorescent ink layer I, a fluorescent ink layer II and a prism glass layer from bottom to top in sequence, wherein a photonic crystal layer I and a photonic crystal II are arranged on the prism glass layer. The anti-fake label has the characteristics of high elusive capability, imitation difficulty, multi-way display of different patterns and the like; and when the multi-way invisible fluorescent ink anti-fake label is used for commodity anti-fake, the elusive capability and the imitation difficulty of the invisible ink anti-fake label are enhanced, and the applicability of the anti-fake label is improved.

Description

technical field [0001] The invention belongs to the technical field of anti-counterfeiting, and in particular relates to an anti-counterfeiting label with multi-directional and different patterns of invisible fluorescent ink. Background technique [0002] In the process of commodity circulation, counterfeit and forged commodities have seriously affected the normal order of production and sales of enterprises. Existing anti-counterfeiting technologies, including laser anti-counterfeiting labels, digital anti-counterfeiting inquiries, electronic labels, and anti-counterfeiting packages, all have the characteristics of easy imitation and poor concealment. [0003] With the rapid development of science and technology, physical anti-counterfeiting technologies such as laser anti-counterfeiting and barcodes are very easy to be copied, and ordinary consumers generally cannot recognize the authenticity of signs such as laser anti-counterfeiting. On the other hand, high-quality prod...

Claims

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Application Information

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IPC IPC(8): G09F3/02G02B1/02
Inventor 杨立峰王亚非左笑尘高椿明周鹰
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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