CN109903672A - A kind of lenticule anti false film - Google Patents
A kind of lenticule anti false film Download PDFInfo
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- CN109903672A CN109903672A CN201910293990.5A CN201910293990A CN109903672A CN 109903672 A CN109903672 A CN 109903672A CN 201910293990 A CN201910293990 A CN 201910293990A CN 109903672 A CN109903672 A CN 109903672A
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- 239000012528 membrane Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 229920002799 BoPET Polymers 0.000 claims 1
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- 238000013461 design Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 64
- 238000005516 engineering process Methods 0.000 description 16
- 238000003384 imaging method Methods 0.000 description 7
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- 239000002356 single layer Substances 0.000 description 2
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Abstract
The present invention relates to a kind of lenticule anti false films, from top to bottom, are followed successively by lens jacket, substrate layer and graph text information layer, the lens jacket, substrate layer and graph text information layer are bonded together by mantle technique；The upper surface of the lens jacket is evenly arranged with several lenticules, and the lenticule is in periodicity arrangement；The substrate layer is photic zone；The graph text information layer is bilayer or multilayer structure, and each layer includes graph text information region, background area and ink layer, the relatively described background area in graph text information region be it is concave, the ink layer is covered on the negative area where the graph text information region.Lenticule anti false film coloring of the invention precisely, is not easy to fade, and the dynamic graphic anti-counterfeiting effect of floating or sinking is showed under the action of microlens array, and design simply, manufacturing cost is low, can wide popularization and application.
Description
Technical field
The present invention relates to anti-fake material technical field, especially a kind of lenticule anti false film.
Background technique
Beijing Printing Institute Huang Jiaojun master points out in its Master's thesis: with the fast development of economic science technology,
Market competition becomes to grow in intensity, so that counterfeit and shoddy goods are bred again and again.Card ticket, various hot item trade marks, mark
And packaging etc. is counterfeited one after another, what consumer had often spent that big price but buys is counterfeit or inferior quality goods, in face of the extensive throwing of consumer
It tells and fake producer is to the counterfeit of itself brand, this is not only the loss to manufacturer, and the loss of country；It is of today to fake
Person's means are even more increasingly advanced, this is also a stern challenge for manufacturer and anti-fake industry.Commodity counterfeit prevention tool
There is the characteristics of As viocerises one foot, virtues rise toil, any anti-counterfeiting technology is all the increase with application time, and anti-counterfeit capability is gradually
Weaken.Market constant demand has the anti-counterfeiting technology of novel feature, and dynamic, bore hole stereoscopic display anti-counterfeiting technology are that have novelty anti-
One of the technology of pseudo- function.
Wherein, it is anti-fake to use lenticule in the safety line of 100 dollar bills of new edition of its new issue for the U.S. in 2010
Technology convert anti-fake mark information " 100 " and " free clock " can mutually using micro lens technology, have dynamic effect, greatly
Antifalse effect is improved greatly.
With the popularization and development of lenticule production technology, occur miscellaneous lenticule anti false film in the market, imitates
Fruit is different；Anti-counterfeiting technology also requires higher and higher, and market has no longer met original monochromatic anti-counterfeiting mark, no longer meets simple
2 anti-fake mark information simply mutually convert, the anti-counterfeiting technology to become increasingly complex is in studied；New patented technology
Also it is come out by continuous disclosure, if Chinese invention patent Authorization Notice No. is CN103236222B based on integration imaging principle
And the anti-tamper security film with dynamic three-dimensional effect, which show more complicated three-dimensional cell picture array layer, settings
The micro-nano structure of three-dimensional stratification, but the cell picture array layer of the three-dimensional, including micro-nano structure do not provided specifically
Manufacturing method, practical be also difficult to realize in production practice.Meanwhile point out cell picture be solid color image or
More color images can be used the technologies such as printing and plated film and manufacture when cell picture is solid color image, but real at present
In the production of border, printing or coating technique production can make image layer there are certain thickness, protrude from substrate, and micrographics is general
Dimension width size will at 10 μm or so, print difficulty be it is very big, printing color is easy to fall off, removes；And work as unit
It when image is more color images, can be manufactured by the nanostructure of single layer or multilayer, color-change ink production can also be used,
But in actual production, nanoscale image making technology is not yet mature, and color shifting ink only changes with angle, not
Can directly bring it is a variety of, especially particular color require image.
For the diversified demand in market, base of the applicant in original lenticule monochrome anti false film (as shown in Figure 1)
Sustained improvement on plinth, to meet higher market demands.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of lenticule anti false film, graph text information can be made in lenticule
Dynamic three-dimensional display effect is presented under the amplification of array, and the ink layer on graph text information is not easily to fall off or removes,
Effectively improve anti false film can identification.
Microlens array is to generate 3D visual effect using the principle of parallax of human eye.Microlens array as shown in Figure 2
Image-forming principle schematic diagram, when right eye sees the right side C, left eye sees the left side C, and human eye can generate a kind of collimation error with to see at this time
It is the C to float；Similarly, when right eye sees that B Ji, left eye see that B exists, human eye can think the B it is seen that sinking；When seeing A then
Feel in the horizontal plane.Focusing angle is adjusted so as to cause human eye itself here it is there are distances between two due to people, then is passed through
Brain fusion generates stereoscopic vision, i.e. parallax.The key effect of microlens array, which is to reflect, divides picture, i.e., microlens array can incite somebody to action
The right and left eyes image light that position is staggered in plane separates, and makes viewer in the case where not wearing ancillary equipment, left eye sees a left side
Eye figure, right eye sees right eye figure, to realize stereo display effect.
A kind of lenticule anti false film of the invention is followed successively by lens jacket, substrate layer and graph text information layer, institute from top to bottom
Lens jacket, substrate layer and graph text information layer is stated to bond together by mantle technique；The upper surface of the lens jacket is uniformly arranged
There are several lenticules, the lenticule is in periodicity arrangement；The substrate layer is photic zone；The graph text information layer is double
Layer or multilayered structure, and each layer includes graph text information region, background area and ink layer, the graph text information region is opposite
The background area be it is concave, the ink layer is covered on the negative area where the graph text information region.
The mantle technique is this field routine techniques, is detailed in and " comments the first epoch " " mantle in December, 2013 periodical
(Soft- mode) is compared with hard mold (hard-mode) coating technique " text.
Further, the lenticule is hemispherical, a height of 5-50um of ball, and arrangement mode is arranged by regular shaped, arrangement
Spacing R1 is 10-100um；
The regular shaped is one of quadrangle, hexagon, annular.
Further, the material of the lens jacket is acrylic compounds UV-cured resin, refractive index 1.40-
Viscosity at 1.70,25 DEG C is no more than 1000cps.
Further, the substrate layer is made of transparent membrane, and the transparent membrane is PP film, PEN film, PET
One of film, the transparent membrane with a thickness of 24-100um.
Further, the material of the graph text information layer is UV resin, and the UV resin includes acrylic compounds UV light
Change resin, viscosity requires to select according to the size of lenticule and final thickness.
Further, each layer of ink layer of the graph text information layer is identical color.
Further, each layer of ink layer of the graph text information layer is different color, and the contrast of color is big.
Further, the lenticule on the graph text information and lens jacket on the graph text information layer is regular in one-to-one correspondence etc.
Arrangement.
Further, each layer of graph text information of the graph text information layer synchronizes be arranged in lenticule focus where it is perpendicular
On straight line.
Further, each layer of the graph text information dislocation of the graph text information layer is erected where being arranged in lenticule focus
Around straight line, and the arrangement spacing of each layer of graph text information and the arrangement spacing of lenticule are all the same.
Further, each layer of the graph text information dislocation of the graph text information layer is erected where being arranged in lenticule focus
Around straight line, and 0.25 ‰ -1 ‰ are differed with the arrangement spacing of lenticule between the arrangement of each layer of graph text information.
A kind of lenticule anti false film of the present invention, compares with the prior art and has the advantage that
(1) using transparent membrane as substrate layer, translucency is good, under the refraction of microlens array, can observe clear
The graph text information of clear amplification；
(2) graph text information layer is bilayer or multilayer structure, and each layer includes graph text information region, background area and oil
Layer of ink, the relatively described background area in graph text information region be it is concave, both accurately coloured in graph text information convenient for ink
Region shows the dynamic graphic anti-counterfeiting effect of floating or sinking to highlight graph text information under the action of microlens array
Fruit, and will not make the prominent substrate layer of ink layer and lead to falling off or removing for ink；
(3) graph text information layer is made of UV resin, because the cementability of UV resin and substrate is good, does not need in addition using
Adhesive saves cost, and prevents influence of the adhesive to antifalse effect, while reducing the thickness of lenticule anti false film
Degree；
(4) design is simple, and antifalse effect is good, is easy observation, manufacturing cost is low, can wide popularization and application.
Detailed description of the invention
Fig. 1 is the monochromatic anti-fake membrane structure diagram of existing single layer lenticule；
Fig. 2 is microlens array imaging schematic illustration；
Fig. 3 is the structural schematic diagram one of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram two of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram three of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram four of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
At present in lenticule anti false film field, graph text information layer is only capable of carving by transferring on graph text information layer recording sheet
Information groove is lost, then groove is wiped repeatedly with pigment, is filled, makes groove that there is corresponding color to embody picture and text letter
Breath, unless using color shifting ink, otherwise graph text information is only capable of embodying 1 color in later observations.
Fig. 3-6 show a kind of lenticule anti false film of the invention, is disposed with lens jacket 1, substrate layer from top to bottom
2, graph text information layer 3, the lens jacket 1, substrate layer 2 and graph text information layer 3 are bonded using mantle technique.
The mantle technique is this field routine techniques, is detailed in and " comments the first epoch " " mantle in December, 2013 periodical
(Soft- mode) is compared with hard mold (hard-mode) coating technique " text.
The upper surface of the lens jacket 1 is evenly distributed with several lenticules, and the lenticule is hemispherical, and ball height is generally
5-50 um depends primarily on the diameter of used lenticule；The lenticule is in periodicity arrangement, and arrangement spacing R1 is
10-1 00um；The lenticule can amplify processing to picture and text.
Further, the periodicity arrangement of the lenticule is by the various regular shapes such as quadrangle, hexagon, annular
Shape arrangement.
In order to carry out complete lattice transfer to lenticule, the material selection of the lens jacket 1 is preferable to substrate adhesive force
Acrylic compounds UV-cured resin, refractive index 1.40-1.70, viscosity at 25 DEG C are no more than 1000cps, such as Nanjing
The UV resin of the model BH120 of new material Science and Technology Ltd. production is thought in wrestle or Shanghai flies the triumphant limited public affairs of photoelectric material share
Take charge of the UV resin of the model KY90HC3-51 of production.
The substrate layer 2 is transparent membrane material, can be the transparent membranes such as PP, PEN, PET, the thickness of the transparent membrane
Degree is 24-100um, is mainly determined according to the thickness of focal plane imaging, is applied according to market, focal plane imaging thickness is generally
15-100um。
The graph text information layer 3 is to use made of UV resin, is bilayer or multilayer structure, and each layer includes picture and text
Information area, background area and ink layer, the relatively described background area in graph text information region are concave, the ink layer
The negative area being covered on where the graph text information region, to prevent the prominent substrate of ink layer that ink is caused to fall off or shell
From.
Institute is further, and the UV resin of the graph text information layer 3 can be ultraviolet using acrylic compounds identical with lens jacket 1
Light-cured resin, can also use different UV resins, and the selection of UV resin is mainly according to the size of product lenticule and final
Depending on thickness requirement, lenticule is smaller, and required UV resin viscosity is lower, and wellability is better, for example, lenticule diameter in 40 um
It is below, BH120 (100cps/25 DEG C) UV resin of new material Science and Technology Ltd. is thought using Nanjing wrestle；When lenticule
Diameter is greater than 40um, using 1551S (1200cps/25 DEG C) UV resin of TaiWan, China De Yuan group.
When making graph text information layer 3, UV resin is injected after micro- picture and text template to the lower surface for being bonded in the substrate layer 2,
It is formed by UV illumination curing, sloughs micro- picture and text template, then pass through such as flexo, silk screen, intaglio plate, the printers such as relief printing plate using ink
Skill accurately wipes graph text information region, is coloured, and so that graph text information region is had ink and is highlighted, after ink solidification
Next layer of bonding can be carried out, and so on, so as not to it is fuzzy.
Further, the graph text information region of 3 each layers of the graph text information layer can using same color ink into
Row coloring, the ink that different colours can also be used are coloured.It should be noted that the graph text information region when each layer uses
When the ink of different colours is coloured, the color of answering comparative selection degree big is in order to avoid interfere with each other, as first layer uses warm colour
Ink, the second layer use cool colour color ink.
Further, the rule such as the graph text information on the graph text information layer 3 and the lenticule on lens jacket 1 is arranged, such as
Shown in Fig. 4, each layer of graph text information, which can synchronize, to be arranged on the vertical line of lenticule focus place, because there is depth imaging
Difference, observer can observe that the graph text information of upper and lower level moves downward upwards respectively, to generate visual difference；It can also be as
Where Fig. 5, dislocation shown in fig. 6 are arranged in lenticule focus around vertical line, the arrangement spacing R1 of graph text information A, B, C,
R2, R3 can be the same (i.e. R1=R2=R3), although R1=R2=R3 is consistent in planar dimension, their imaging is
In longitudinal (i.e. product thickness direction), there is certain micro- spacing on longitudinal direction, so causing the mistake in focal plane imaging rule
Position, R1, R2, R3 can also be finely tuned, for example the graph text information A repetition arrangement spacing R2 of first layer is big by 0.25 ‰-relative to R1
When 1 ‰, such graph text information A are observed through lens jacket 1, floating effect can be shown, correspondingly, the picture and text on the second layer are believed
It ceases B and repeats arrangement spacing R3 to be small by 0.25 ‰ -1 ‰ relative to R1, when such graph text information B is observed through lens jacket 1, can show
Sinking effect is shown, so the arrangement spacing of the graph text information on graph text information layer 3 can need to only guarantee a picture and text with can be different
The rule distribution of the corresponding lenticule of information.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of lenticule anti false film is followed successively by lens jacket, substrate layer and graph text information layer, it is characterised in that: institute from top to bottom
Lens jacket, substrate layer and graph text information layer is stated to bond together by mantle technique；The upper surface of the lens jacket is uniformly arranged
There are several lenticules, the lenticule is in periodicity arrangement；The substrate layer is photic zone；The graph text information layer is double
Layer or multilayered structure, and each layer includes graph text information region, background area and ink layer, the graph text information region is opposite
The background area be it is concave, the ink layer is covered on the negative area where the graph text information region.
2. a kind of lenticule anti false film according to claim 1, it is characterised in that: the lenticule is hemispherical, and ball is high
For 5-50um, arrangement mode is arranged by regular shaped, and arrangement spacing R1 is 10-100um；
The regular shaped is one of quadrangle, hexagon, annular；
The material of the lens jacket is acrylic compounds UV-cured resin, refractive index 1.40-1.70, viscosity at 25 DEG C
No more than 1000cps.
3. a kind of lenticule anti false film according to claim 1, it is characterised in that: the substrate layer uses transparent membrane system
Be one of PP film, PEN film, PET film at, the transparent membrane, the transparent membrane with a thickness of 24-100um.
4. a kind of lenticule anti false film according to claim 1, it is characterised in that: the material of the graph text information layer is UV
Resin, the UV resin include acrylic compounds UV-cured resin.
5. a kind of lenticule anti false film according to claim 4, it is characterised in that: each layer of the graph text information layer
Ink layer is identical color.
6. a kind of lenticule anti false film according to claim 4, it is characterised in that: each layer of the graph text information layer
Ink layer is different color, and the contrast of color is big.
7. a kind of lenticule anti false film according to claim 4, it is characterised in that: each layer of the graph text information layer
Lenticule on graph text information and lens jacket is in one-to-one correspondence arrangement.
8. a kind of lenticule anti false film according to claim 7, it is characterised in that: each layer of the graph text information layer
Graph text information, which synchronizes, to be arranged on the vertical line of lenticule focus place.
9. a kind of lenticule anti false film according to claim 7, it is characterised in that: each layer of the graph text information layer
Where graph text information dislocation is arranged in lenticule focus around vertical line, and the arrangement spacing of each layer of graph text information with it is micro-
The arrangement spacing of lens is all the same.
10. a kind of lenticule anti false film according to claim 7, it is characterised in that: each layer of the graph text information layer
Graph text information dislocation be arranged in lenticule focus where around vertical line, and between the arrangement of each layer of graph text information with it is micro-
The arrangement spacing difference 0.25 ‰ -1 ‰ of lens.
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Cited By (8)
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| CN110389396A (en) * | 2019-08-23 | 2019-10-29 | 江阴通利光电科技有限公司 | The film moulding process and its vacuum lamination exposure device of lenticule anti false film |
| CN110491277A (en) * | 2019-08-06 | 2019-11-22 | 江阴通利光电科技有限公司 | High temperature packaging formula dynamic solid shows anti false film |
| CN111268248A (en) * | 2020-03-27 | 2020-06-12 | 深圳市旺盈彩盒纸品有限公司 | Packaging bottle with three-dimensional display function and manufacturing method thereof |
| WO2020207011A1 (en) * | 2019-04-09 | 2020-10-15 | 苏州苏大维格科技集团股份有限公司 | Multi-layer dynamic anti-counterfeiting thin film |
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| CN114157736A (en) * | 2020-09-08 | 2022-03-08 | 世灵科技株式会社 | Mobile phone rear cover film structure applying micro-lens array on polycarbonate layer |
| CN114708787A (en) * | 2022-03-14 | 2022-07-05 | 武汉华工图像技术开发有限公司 | 3D anti-counterfeiting film, manufacturing method of 3D anti-counterfeiting film and 3D anti-counterfeiting label |
| US20230001734A1 (en) * | 2019-12-18 | 2023-01-05 | Crane & Co., Inc. | Micro-optic security device with phase aligned image layers |
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