Anti-fake method for displaying hidden red, green and yellow graphics and text information on red printing substrate

A technology of red and base materials, which is applied in the printing, printing and printing process of producing special varieties of printed matter, can solve the problems of novelty and weakened anti-counterfeiting ability, weak anti-counterfeiting ability, lack of novelty characteristics of anti-counterfeiting industry, etc., and achieve technological novelty , Strong anti-counterfeiting ability

Inactive Publication Date: 2016-06-08
BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Luminous ink does not require special equipment for identification, but the anti-counterfeiting ability is weak
In addition, the anti-counterfeiting industry is an industry with a height of one foot and a height of one foot. After a new anti-counterfeiting technology is applied for a period of time, counterfeit anti-counterfeiting inks and related products will gradually appear, and the novelty and anti-counterfeiting capabilities will gradually weaken. UV fluorescent inks Or infrared fluorescent ink or dual-band fluorescent ink has been used for more than 10 years at home and abroad, and lacks the novelty features necessary for the anti-counterfeiting industry

Method used

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  • Anti-fake method for displaying hidden red, green and yellow graphics and text information on red printing substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The surface of the substrate itself is the same red color as the functional red pigment. If it is a non-red substrate, use ordinary red ink to print the same red color as the functional red ink on the label substrate, which is called red. background color. The functional red pigment with special functions is prepared into offset printing ink, and the designated anti-counterfeiting graphic information is printed on the red background color. The graphic information is also red after drying, and its color is consistent with the red background color, and it is invisible under sunlight or visible light. The anti-counterfeiting graphic information is the anti-counterfeiting graphic information 2 in the accompanying drawings. Then complete the label production according to the usual process of label production, including printing the rest of the graphic information of the label with ordinary ink, gluing, compounding with the backing paper, die-cutting, packaging and other tech...

Embodiment 2

[0018] The surface of the substrate itself is the same red color as the functional red pigment. If it is a non-red substrate, the polypropylene plastic film substrate is printed with the same red color as the functional red ink by coating with ordinary red ink or full-page printing. Called the red undertone. Under the irradiation of blue light, yellow pigments and red pigments with luminescent center wavelengths of 515nm (bright green) and 625nm (bright red) are respectively prepared into gravure printing inks, and the designated anti-counterfeiting graphics and texts are printed on the red background with these two functional inks respectively. For each part of the information, after the graphic is dried, the color of the information printed with red ink in the anti-counterfeiting graphic information is consistent with the color of the red background, and is invisible under sunlight or white light; the color of the information printed in yellow ink in the anti-counterfeiting g...

Embodiment 3

[0021] The surface of the substrate itself is the same red color as the functional red pigment. If it is a non-red substrate, use ordinary red ink to print the same red color as the functional red ink on the label substrate, which is called red. background color. The functional red pigment with special functions is formulated into inkjet printing ink, and the designated anti-counterfeiting graphic information is printed on the red background color. The anti-counterfeiting graphic information is composed of pictures, text and 26 English letters and 0-9. Variable digital string coding, inkjet printing realizes that a label has a unique string code, and the graphic information is also red after drying, and its color is consistent with the red background color. The anti-counterfeiting graphic is invisible under sunlight or white light, that is, the attached picture The anti-counterfeiting graphic in 2. Then complete the production according to the usual process of anti-counterfei...

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PUM

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Abstract

Anti-fake graphics and text information is printed on a substrate with a red surface through red and yellow functional printing ink. The color of the red functional printing ink is consistent with the red ground color of the substrate under the illumination of sunlight or white light, and the color of the yellow functional printing ink is light yellow. The light with the central wavelengths being 515 nm (bright green), 525 nm (bright green), 530 nm (bright green), 545 nm (bright yellow), 555 nm (bright yellow), 600 nm (orange), 610 nm (orange), 615 nm (orange), 620 nm (red), 620 nm (red), 635 nm (red), 655 nm (red) and 660 nm (red) is emitted under the illumination of blue light of a mobile phone screen or monochromatic light or compound light with the wavelength ranging from 400 nm to 500 nm according to species varieties of red pigment and yellow pigment. The ordinary red pigment is used for the surface of the substrate and does not change obviously under the illumination of blue light with the corresponding wavelength. The anti-fake graphics and text information is completely or partially invisible under the white light, and the anti-fake graphics and text information emits bright green or bright yellow or bright red visible light under the illumination of the blue light of the mobile phone screen or the light with the wavelength ranging from 400 nm to 500 nm.

Description

technical field [0001] The invention relates to an anti-counterfeiting method for displaying and hiding red, green and yellow graphic information on a red printing base material, in particular to an anti-counterfeiting method that can be identified by mobile phones through the synergistic effect of red and yellow functional inks and red printing base material, and belongs to anti-counterfeiting materials and technical fields. Background technique [0002] UV fluorescent ink refers to the ink that under the irradiation of ultraviolet light, usually the wavelength of ultraviolet light is 254nm or 365nm, the cured printing ink layer emits red, green, yellow fluorescent ink, stop the ultraviolet light irradiation, and the fluorescence disappears. Infrared fluorescent ink refers to the ink that the printed ink layer emits green or other visible colors under the irradiation of infrared light, the commonly used infrared light wavelength is 980nm. Luminous ink refers to the ink tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M1/18B41M3/14
Inventor 许文才罗世永张新林张文雨黄校军
Owner BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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