CN103236222B - Based on integration imaging principle there is the anti-tamper security film of dynamic three-dimensional effect - Google Patents
Based on integration imaging principle there is the anti-tamper security film of dynamic three-dimensional effect Download PDFInfo
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Abstract
The invention discloses and a kind ofly based on integration imaging principle there is the anti-tamper security film of dynamic three-dimensional effect, comprise micro-lens arrays layer and cell picture array layer, described cell picture array layer comprises multiple cell picture storing target scene different visual angles image information, and described micro-lens arrays layer comprises and to arrange with described cell picture one_to_one corresponding and for the lenticule to described cell picture imaging.The present invention is based on integration imaging principle and there is the anti-tamper security film of dynamic three-dimensional effect, by arranging micro-lens arrays layer and cell picture array layer, and the cell picture storing target scene different visual angles image information is set at cell picture array layer, by lenticule to after the imaging of cell picture one_to_one corresponding, can restore target object dimensional scene, realize 3 D stereo display, make it have unique security feature, and cell picture array has the advantage being difficult to copy, effectively anti-counterfeiting performance can be strengthened.
Description
Technical field
The invention belongs to safety anti-fake technical field, be specifically related to a kind ofly based on integration imaging principle there is the anti-tamper security film of dynamic three-dimensional effect.
Background technology
In recent years, in China market, fake and inferior commodities are spread unchecked, very harmful.According to statistics, from 1985 to 1994, there is fake wine poisoning more than 20 in the whole nation altogether, poisoning people more than 5400, and wherein people more than 200 is dead; Calendar year 2001, domestic counterfeit goods total value was at 1600 to 2,000 hundred million yuan, caused revenue loss between 275 to 345 hundred million yuan; Between 2000 to 2004 5 years, false Renminbi 42.42 hundred million yuan is taken in the whole nation altogether.The fake and inferior commodities discovered and seized mainly contain: food, various check wine, beverage, cigarette, medicine, health products, cosmetics, articles for washing, clothes, footwear, film, medicine equipment, steel, cement, industrial chemicals, chemical fertilizer, agricultural chemicals, seed, auto parts and components, televisor etc.; From social public security field, also has a large amount of banknote forged, stamp, various securities, resident identification card, residence booklet, diploma, official seal etc.
As can be seen here, more than the kind that fake and inferior commodities relate to, distribution range is wide, and the serious of the consequence caused is make us startling really.Therefore, research prevents product to be forged, and utilizes scientific and technical means to protect high-quality and famous-brand product, stops fake and inferior commodities and just seem particularly important to the harm that these commodity cause.Especially, the various securities such as banknote, stamp of forgery are the most serious to the harm of society.Be example by Renminbi, if the banknote forged floods market, will cause many economic problems, this not only jeopardizes national economy, more can affect people's livelihood.At present, China adopts the 5th cover Renminbi.In order to stop the forgery of banknote, the 5th cover Renminbi combines multiple anti-counterfeiting technology, mainly contains:
1) paper false proof.The paper that Renminbi adopts is different from plain paper, also uncommon, in paper technology, and the characteristics such as the material mixture ratio added is secret, and this paper has tough and tensile, durable, water-fastness;
2) watermark anti-counterfeiting.Renminbi has two places and uses watermark anti-counterfeiting technology, a place is image watermark, and a place is numerical value watermark.Two place's watermark recovery levels are riches, stereoscopic sensation are strong, all adopt fixing watermark printing, are not easily copied.
3) ink is false proof.Renminbi employs multiple inks anti-counterfeiting technology, and comprise photochromatic printing ink numeral, fluorescent ink numeral and magnetic ink digital, photochromatic printing ink numeral can make numeral present the conversion of different colours, naked eyes and identifiable design; Fluorescent ink and magnetic ink are used for the special identification of cash inspecting machine.
4) intaglio printing is false proof.The use of intaglio printing anti-counterfeiting technology makes Renminbi levels are rich, is convenient to doigte, svelteness.The making of the braille on Renminbi, Chairman Mao's head portrait etc. all have employed this anti-counterfeiting technology.
5) character anti-counterfeiting.Renminbi there is a few place use micro, stealthy character anti-counterfeiting technology, though this anti-counterfeiting technology naked eyes can be differentiated, also need to utilize instrument just can see more clearly.
6) other are false proof.Except above-mentioned several anti-counterfeiting technology, Renminbi also uses some other anti-counterfeiting technology, as front-back to print technology, double-colored number anti-counterfeiting technology, security anti-counterfeiting technology, anti-reprography etc.
In the past few years in the time, the 5th generation Renminbi anti-counterfeiting technology successfully broken the bad attempt that lawless person forges false Renminbi, stopped walking crosswise of counterfeit money, protected the economic interests of domestic consumer.In recent years, along with developing rapidly of domestic and international anti-counterfeiting technology, the anti-counterfeiting technology of many producers has reached certain level all.The anti-counterfeiting technology of the 5th generation Renminbi employing more and more can not meet false proof requirement.Occur that high imitative counterfeit money is of common occurrence at present on the market.2009, Guangdong, being numbered " HD90 " has appearred in the ground such as Changsha, the height that " HB90 " starts imitates 100 yuan of counterfeit money, its fineness of forging has reached the degree of mixing the spurious with the genuine, not only consumers in general have been difficult to the true and false of this banknote of identification, even part cash inspecting machine is all beyond recognition out counterfeit money, causes the whole nation and cause a sensation.In Dec, 2012, in January, 2013 there is being numbered the height that " WF66 " start and has imitated counterfeit money in Xiamen City, causes the fear of people at present significantly, has confused market order, have impact on national economy.Therefore, propose and study to can be applicable to Renminbi, the anti-counterfeiting technology of new generation of the securities such as stamp is extremely urgent.
Common popular anti-counterfeiting technology mainly contains printing, watermark, laser hologram and color shifting ink etc., and printing and watermark are easily copied by Digital photographic, scanning, duplicating etc. and copied.In recent years, people investigated the color shifting ink of number of different types, and as warm modification, light modification and fluorescent type etc., color shifting ink must combine with other technology and could realize antiforge function.Laser holography room according to holographic imaging principle and colorful flash of light, dynamically and stereoeffect cause the common concern of people; once be acknowledged as most advanced; most economical technology; but along with holography is in the widespread use in the fields such as ticket, trade mark, packaging; many producers have all possessed the ability of producing holographic product, thus Laser Holographic Counterfeit-proof Technique is absorbed in crisis.
Therefore, people meet in the urgent need to finding the popular anti-counterfeiting technology of a new generation that technology is high, cost is low, be easy to identify.As forth generation laser in combination holographic technique---by tens two dimensional images that even hundreds of is different by the tens even hologram of hundreds of time exposure record by each side of objective and record first over time, namely this hologram can not only record the three dimensions characteristic with online object, can also recording and reconstruction three-dimensional body over time, but, realizing this anti-counterfeiting technology needs special instrument and equipment and more exquisite technological process to realize, and significantly increases the difficulty in making.
1994, the people such as M.C.Hutley put forward a kind of More's amplifying technique that can be applicable to anti-counterfeiting mark.More's amplifying technique relates to a kind of phenomenon, will occur this phenomenon when the microlens array with roughly the same periods dimension observes the array be made up of identical micrographics, namely occurs with the amplification of micrographics or rotated versions.More's amplifying technique ultimate principle in M.C.Hutley, R.Hunt, R.F.Stevens, andP.Savander, PureAppl.Opt.3 (1994), described by having in pp.133-142.Then, the people such as Drinkwater takes the lead in the safety device that proposes hemispherical microlenses array to combine with micro-pattern matrix in US Patent No. 5712731A.2010, the people such as the Shen Su of Su great Wei lattice company of China improved this kind of false-proof film manufacture craft, improve false-proof film three-dimensional imaging quality.
But, because each the micro-image in micro-pattern matrix that this kind of technology adopts is all identical, therefore micro-image only have recorded target scene pattern in a direction and light intensity, the image demonstrated by this safety film will be presented in same plane, be highlighted in before safety film or in depression and safety film, and with observation visual angle variation, become the saltus step of image generation continuous translation.Because micro-image is identical, although and the image demonstrated can highlight in the outer or depression film of film, be still distributed in same plane, this causes this kind of safety film to there is the hidden danger be replicated undoubtedly, and causes certain difficulty to identifying.
Summary of the invention
In view of this, the object of the present invention is to provide and a kind ofly have the anti-tamper security film of dynamic three-dimensional effect based on integration imaging principle, this anti-tamper security film can restore target object dimensional scene, realizes 3 D stereo display, has the advantage being difficult to copy.
For achieving the above object, the invention provides following technical scheme:
A kind of have an anti-tamper security film of dynamic three-dimensional effect based on integration imaging principle, comprise micro-lens arrays layer and cell picture array layer, described cell picture array layer comprises multiple cell picture storing target scene different visual angles image information, and described micro-lens arrays layer comprises and to arrange with described cell picture one_to_one corresponding and for the lenticule to described cell picture imaging.
Further, transparent dielectric layer is provided with between described cell picture array layer and described micro-lens arrays layer.
Further, be provided with the transparent medium with light transmission features in described transparent dielectric layer, described transparent medium is transparent gas or transparent solid or transparency liquid.
Further, extra play is equipped with between described micro-lens arrays layer and described transparent dielectric layer and between described cell picture array layer and described transparent dielectric layer.
Further, described micro-lens arrays layer and the opposing outside surface of described cell picture array layer be provided with have protect, the rete of anti-reflection or filter action or micro-nano structure protective seam; And/or
Described cell picture array layer and the opposing outside surface of described micro-lens arrays layer be provided with have protect, the rete of anti-reflection or filter action or micro-nano structure protective seam.
Further, described cell picture is solid color image or many color images.
Further, described cell picture array layer is the plane microstructure image array layer or micro-relief structure pattern matrix layer that adopt printing technology or micro-nano technology technology to prepare.
Further, the cell picture array in described cell picture array layer adopts following methods to generate:
1) utilize optical imagery equipment to the imaging of target scene capture;
2) utilize 3-D view process software to carry out post-processed to the image that optical imagery equipment is taken, add or cut down image information, and generation unit pattern matrix.
Further, described lenticule is random arrangement or regular array on described microlens array layer plane, and described lenticule random arrangement or regular array on the direction perpendicular to described micro-lens arrays layer.
Further, also comprise imaging amplifier, described imaging amplifier is arranged on the top of micro-lens arrays layer.
Beneficial effect of the present invention is:
The present invention is based on integration imaging principle and there is the anti-tamper security film of dynamic three-dimensional effect, by arranging micro-lens arrays layer and cell picture array layer, and the cell picture storing target scene different visual angles image information is set at cell picture array layer, by lenticule to after the imaging of cell picture one_to_one corresponding, can restore target object dimensional scene, realize 3 D stereo display, make it have unique security feature, and cell picture array has the advantage being difficult to copy, effectively anti-counterfeiting performance can be strengthened.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is the structural representation that the present invention is based on integration imaging principle and have anti-tamper security film first embodiment of dynamic three-dimensional effect;
Fig. 2 is the structural representation that the present invention is based on integration imaging principle and have anti-tamper security film second embodiment of dynamic three-dimensional effect;
Fig. 3 a and Fig. 3 b is at the structural representation of the present embodiment based on integration imaging principle and after the anti-tamper security film with dynamic three-dimensional effect being arranged to picture amplifier;
Fig. 4 a-4c is the location diagram between the image of imaging and anti-tamper security film;
Fig. 4 d is the periodicity dynamic imaging effect schematic diagram observed along some directions;
Fig. 5 a-5c is respectively lenticular three kinds of regular array mode schematic diagram;
Fig. 6 a and Fig. 6 b is respectively lenticular random arrangement mode schematic diagram;
Fig. 7 a is that lenticule is at a kind of regular array mode schematic diagram perpendicular to micro-lens arrays layer direction;
Fig. 7 b is that lenticule is at the irregular arrangement mode schematic diagram of one perpendicular to micro-lens arrays layer direction;
Fig. 8 a is the cell picture array layer structural representation of one dimension or two dimension;
Fig. 8 b is three-dimensional cell picture array layer structural representation;
Fig. 9 a adopts the present embodiment anti-tamper security film to carry out the false proof use exemplary plot of secure topical;
Fig. 9 b is the use exemplary plot adopting the present embodiment anti-tamper security film to carry out entire package safety anti-fake;
Figure 10 is a kind of dynamic security film schematic diagram with self-checking function adopting the present embodiment anti-tamper security film.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
first embodiment
As shown in Figure 1, for the present invention is based on integration imaging principle and there is the structural representation of anti-tamper security film first embodiment of dynamic three-dimensional effect.The present embodiment is based on integration imaging principle and have the anti-tamper security film of dynamic three-dimensional effect, comprise micro-lens arrays layer 2 and cell picture array layer 3, cell picture array layer 3 comprises multiple cell picture 4 storing target scene different visual angles image information, and micro-lens arrays layer 2 comprises and to arrange with cell picture 4 one_to_one corresponding and for the lenticule to described cell picture imaging.And be provided with transparent dielectric layer 1 between the cell picture array layer 3 of the present embodiment and micro-lens arrays layer 2.The cell picture array layer of the present embodiment is provided with micro-nano structure 5, micro-nano structure can be two-dimension plane structure, also can be the micro relief profile with certain depth, the micro-nano structure 5 of the present embodiment adopts micro relief profile, the general degree of depth is more shallow, can prepare by large format, and there is the advantage being difficult to copy.
The present embodiment is based on integration imaging principle and have the anti-tamper security film of dynamic three-dimensional effect, by arranging micro-lens arrays layer 2 and cell picture array layer 3, and the cell picture 4 storing target scene different visual angles image information is set at cell picture array layer 3, by lenticule to after the imaging of cell picture one_to_one corresponding, can restore target object dimensional scene, realize 3 D stereo display, make it have unique security feature, and cell picture array has the advantage being difficult to copy, effectively anti-counterfeiting performance can be strengthened.
Further, be provided with the transparent medium with light transmission features in transparent dielectric layer 1, transparent medium is transparent gas, as air, nitrogen or oxygen; Or be transparent solid, as quartz, glass, PMMA, PC or PET; Or be transparency liquid, as water or organic solvent; Or the transparent liquid crystal for adopting liquid crystal material to make.The transparent medium of the present embodiment directly adopts transparent PC material to make and obtains, and transparent PC material can be soft material, the anti-tamper security film of the present embodiment can be bent arbitrarily along with anti-counterfeit package, still have good three-dimensional imaging effect.By arranging transparent dielectric layer 1, conveniently can regulate the distance between micro-lens arrays layer 2 and cell picture array layer 3, the distance between cell picture array layer 3 and micro-lens arrays layer 2 is made to be more than or equal to or to be less than the focal length of microlens array, and according to image-forming principle, imaging can be carried out above anti-tamper security film, on below or anti-tamper security film, as depicted in figure 4 a-4 c, if carry out Continuous Observation on some directions, the anti-tamper security film of the present embodiment can periodically dynamic imaging, as shown in figure 4d.
Further, cell picture 4 is solid color image or many color images, when cell picture 4 is solid color image, the technology such as printing and plated film can be adopted to manufacture; When cell picture 4 is many color images, the nanostructured by individual layer or multilayer is manufactured, and color-change ink also can be adopted to make.The cell picture of the present embodiment is many color images, and can comprise more target scene image information, imaging effect is better.
Cell picture array in cell picture array layer 3 adopts following methods to generate:
1) utilize optical imagery equipment to the imaging of target scene capture;
2) utilize 3-D view process software to carry out post-processed to the image that optical imagery equipment is taken, add or cut down image information, and generation unit pattern matrix.
After obtaining cell picture array, the plane microstructure image array layer adopting printing technology or micro-nano technology technology to prepare or micro-relief structure pattern matrix layer, the cell picture array of the present embodiment is micro-relief structure pattern matrix layer, be nanostructured in micro-relief structure, there is higher copy-resistant performance.
Second embodiment
As shown in Figure 2, for the present invention is based on integration imaging principle and there is the structural representation of anti-tamper security film second embodiment of dynamic three-dimensional effect.The present embodiment is based on integration imaging principle and have the anti-tamper security film of dynamic three-dimensional effect, comprise micro-lens arrays layer 2 and cell picture array layer 3, cell picture array layer 3 comprises multiple cell picture 4 storing target scene different visual angles image information, and micro-lens arrays layer 2 comprises and to arrange with cell picture 4 one_to_one corresponding and for the lenticule to described cell picture imaging.And be provided with transparent dielectric layer 1 between the cell picture array layer 3 of the present embodiment and micro-lens arrays layer 2; extra play 8 is provided with between micro-lens arrays layer 2 and transparent dielectric layer 1; extra play 9 is equipped with between cell picture array layer 3 and transparent dielectric layer 1; extra play can be metal level or dielectric layer; extra play can be coated with ink, fluorescent material, magnetic material, phosphorus material etc.; extra play also can be arranged and have Selective absorber or antireflecting micro-nano structure, extra play can also be transparency protected Rotating fields.The extra play of the present embodiment is dielectric layer, and extra play is provided with fluorescent material and in extra play, is provided with the micro-nano structure with Selective absorber, by combinationally using above-mentioned element in extra play, can strengthen the imaging effect of anti-tamper security film.
The micro-lens arrays layer 2 of the present embodiment outside surface opposing with cell picture array layer 3 be provided with have protect, the rete of anti-reflection or filter action or micro-nano structure protective seam 6; And/or cell picture array layer 3 outside surface opposing with micro-lens arrays layer 2 be provided with have protect, the rete of anti-reflection or filter action or micro-nano structure protective seam 7.The micro-lens arrays layer 2 of the present embodiment is provided with protective seam, and for the protection of lenticule, cell picture array layer 3 is provided with micro-nano structure protective seam 7.
Further, lenticule is random arrangement or regular array on microlens array layer plane, as illustrated in figs. 5 a-5 c, lenticule can Orthogonally arrangement on microlens array layer plane, hexagonal array also can be adopted to be arranged on microlens array layer plane.As shown in Fig. 6 a-6b, lenticule also can random arrangement or random and periodical be arranged on microlens array layer plane.The arrangement mode of cell picture is identical with lenticular arrangement mode.As illustrated in figs. 7 a and 7b, lenticule random arrangement or regular array on the direction perpendicular to micro-lens arrays layer 2.The lenticule of the present embodiment adopts orthogonal regular array on lens arra layer plane, and the direction perpendicular to micro-lens arrays layer 2 is also adopting regular array.
Cell picture can be one dimension, two dimension or 3-D view, and as shown in Figure 8 a, for adopting cell picture array layer 3 structural representation after one dimension or two-dimensional cell image, Fig. 8 b is the structural representation of the cell picture array layer 3 after adopting three-dimensional element image.The unit layer array layer 3 of the present embodiment adopts 3-D view unit, and imaging effect is better, is difficult to copy.
As shown in Figure 3, the anti-tamper security film of the present embodiment also can be arranged to picture amplifier 10 above micro-lens arrays layer 2, and namely imaging amplifier 10 is positioned at the side of micro-lens arrays layer 2 away from cell picture array layer 3, by being arranged to picture amplifier 10, can three-dimensional imaging be amplified, be convenient to observe.
The present embodiment is based on integration imaging principle and have the anti-tamper security film of dynamic three-dimensional effect, by arranging micro-lens arrays layer 2 and cell picture array layer 3, and the cell picture storing target scene different visual angles image information is set at cell picture array layer 3, by lenticule to after the imaging of cell picture one_to_one corresponding, can restore target object dimensional scene, realize 3 D stereo display, make it have unique security feature, and cell picture array has the advantage being difficult to copy, effectively anti-counterfeiting performance can be strengthened.
The anti-tamper security film of the present embodiment can be applicable to banknote, securities, certificate, card, label and packaging etc. as anti-counterfeiting mark, the mode that secure topical can be adopted false proof is carried out false proof, as illustrated in fig. 9, the mode of entire package safety anti-fake can also be adopted, as shown in figure 9b.
In application process, the anti-tamper security film of the present embodiment can be made as a kind of anti-tamper security film with self-checking function as shown in Figure 10, now micro-lens arrays layer 2 and cell picture array layer 3 can be separated from each other, when needs True-false distinguish, micro-lens arrays layer 2 and cell picture array layer 3 are aligned, just can see dynamic 3 D stereoeffect, simple and convenient.
Other embodiments of the present embodiment are identical with the first embodiment, tire out no longer one by one and state.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (6)
1. one kind has an anti-tamper security film of dynamic three-dimensional effect based on integration imaging principle, it is characterized in that: comprise micro-lens arrays layer and cell picture array layer, described cell picture array layer comprises multiple cell picture storing target scene different visual angles image information, and described micro-lens arrays layer comprises and to arrange with described cell picture one_to_one corresponding and for the lenticule to described cell picture imaging; Cell picture array layer is provided with micro-nano structure, and described micro-nano structure is two-dimension plane structure or micro relief profile, is nanostructured in micro-relief structure;
Transparent dielectric layer is provided with between described cell picture array layer and described micro-lens arrays layer;
Be provided with the transparent medium with light transmission features in described transparent dielectric layer, described transparent medium is transparent gas or transparent solid or transparency liquid;
Extra play is equipped with between described micro-lens arrays layer and described transparent dielectric layer and between described cell picture array layer and described transparent dielectric layer;
Described micro-lens arrays layer and the opposing outside surface of described cell picture array layer be provided with have protect, the rete of anti-reflection or filter action or micro-nano structure protective seam;
Described cell picture array layer and the opposing outside surface of described micro-lens arrays layer be provided with have protect, the rete of anti-reflection or filter action or micro-nano structure protective seam.
2. based on integration imaging principle there is the anti-tamper security film of dynamic three-dimensional effect according to claim 1, it is characterized in that: described cell picture is solid color image or many color images.
3. based on integration imaging principle, there is the anti-tamper security film of dynamic three-dimensional effect according to claim 2, it is characterized in that: described cell picture array layer is the plane microstructure image array layer that adopts printing technology to prepare or the micro-relief structure pattern matrix layer for adopting micro-nano technology technology to prepare.
4. based on integration imaging principle, there is the anti-tamper security film of dynamic three-dimensional effect according to claim 3, to it is characterized in that: the cell picture array in described cell picture array layer adopts following methods to generate:
1) utilize optical imagery equipment to the imaging of target scene capture;
2) utilize 3-D view process software to carry out post-processed to the image that optical imagery equipment is taken, add or cut down image information, and generation unit pattern matrix.
5. based on integration imaging principle there is the anti-tamper security film of dynamic three-dimensional effect according to claim 1, it is characterized in that: described lenticule is random arrangement or regular array on described microlens array layer plane, and described lenticule random arrangement or regular array on the direction perpendicular to described micro-lens arrays layer.
6. have an anti-tamper security film of dynamic three-dimensional effect based on integration imaging principle according to claim 1, it is characterized in that: also comprise imaging amplifier, described imaging amplifier is arranged on the top of micro-lens arrays layer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109476173A (en) * | 2016-07-15 | 2019-03-15 | 德拉鲁国际有限公司 | The method for manufacturing safety device |
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