CN105046309A - Photochromic intelligent mark and manufacturing method therefor - Google Patents
Photochromic intelligent mark and manufacturing method therefor Download PDFInfo
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- CN105046309A CN105046309A CN201510530890.1A CN201510530890A CN105046309A CN 105046309 A CN105046309 A CN 105046309A CN 201510530890 A CN201510530890 A CN 201510530890A CN 105046309 A CN105046309 A CN 105046309A
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Abstract
A photochromic intelligent mark comprises a thin film layer, a release layer, a protective layer, a metal semi-reflection layer, a spacer layer, a metal full-reflection layer and an adhesive layer, wherein a photochromic region is formed by the metal semi-reflection layer, the spacer layer and the metal full-reflection layer; meanwhile, a two-dimensional code is endorsed on the protective layer, the metal semi-reflection layer or the metal full-reflection layer in a laser endorsing manner; and the photochromic region and the two-dimensional code are combined together, so that the aims of identifying the authenticity and checking on the Internet are achieved; the two-dimensional code has a large information capacity and a small occupied area; the intelligent mark containing the photochromic region and the two-dimensional code can be hotly stamped on a package of a product through a hot stamping process.
Description
Technical field
The present invention relates to Techniques of Optical Security field, particularly relate to a kind of structure and method for making of phototropic intelligent label.
Background technology
Quick Response Code is the important means of mobile interchange web portal, in the smart mobile phone epoch, has function of surfing the Net, facilitates real-time query and checking to trace to the source, and Quick Response Code becomes mobile-phone payment, online examination and the important way of tracing to the source.
Usually, the label containing Quick Response Code has three kinds of production methods: one is by traditional printing mode, is suitable for copying in enormous quantities of same Quick Response Code; Two is by digital spray printing mode, is suitable for making the different Quick Response Code of coded message; Three is laser marking modes, directly ablation Quick Response Code in printing or packaging.The manufacturing technology of above-mentioned three kinds of Quick Response Codes is more universal, and Quick Response Code mainly plays the effect of inquiry and entrance, can not play antifalse effect.
The existing marking structure that anti-counterfeiting technology and bar code are combined, Chinese patent literature, 201220171570.3, disclose a kind of character anti-counterfeiting, bar code combination marking structure, character anti-counterfeiting and bar code combine by it, comprise character anti-counterfeiting characteristic area and bar-code identification district, the corresponding relation of character anti-counterfeiting feature and bar code is stored in Comodity anti-fake system, bar code printing is in the printed layers of blocking film, and character anti-counterfeiting feature is formed in false proof layer, the Random-Rotation simultaneously by word combines as counterfeit protection measures.But false proof in this kind of mode is realized by apparent word, and character anti-counterfeiting characteristic area and bar-code identification district lay respectively at diverse location, and area occupied is large, and can not be stealthy, safe not.Chinese patent literature, 201220414273.7, disclose a kind of label with security code layer, false proof code layer covers digital watermarking layer, security code layer adopts physical security technology ink spraying coating process to form pattern, the security code layer that word combines, after Quick Response Code is copied illegally operation, digital watermarking shows, prevent security code layer counterfeiting, but in this kind of mode, though security code layer label has good uniqueness, confidentiality, non-reproduction, but be not easy to human eye rapid identification, and false proof code layer is formed by ink spraying, 2 D code information amount is low with the ratio of area occupied, and truth identification cannot be reached and the object of online examination.Photochromic material is a kind of important way false proof for banknote, Chinese patent literature CN201410062088.X, a kind of variable color blocking film and manufacture method thereof are proposed, comprise basement membrane, release layer, semi-transparent semi-reflecting metal level, information medium layer, the type that is all-trans metal level and hot melt adhesive layer, multiple color change interval can be formed on blocking film, color-change graphic and word, also the color effects under different polarization can be realized, along with the change of viewing angle, the color of blocking film also changes, owing to relating to the process technology of nano-precision, so, photochromic material has high false proof effectiveness.
Therefore, industry needs a kind of phototropic intelligent label containing Quick Response Code badly, to reach the object of truth identification and online examination.
Summary of the invention
In view of this; the present invention proposes a kind of phototropic intelligent label; comprise thin layer, release layer, protective seam, the anti-layer of metal half, wall and metal to be all-trans layer; on protective seam, the anti-layer of metal half or metal are all-trans layer, write comments on a document Quick Response Code by the laser mode of writing comments on a document, are formed and there is high-level anti-fraud functional intelligent label.Realize online examination by the Quick Response Code scan function of smart mobile phone, judge the true and false by eye recognition picture and text phototropic effect.
A kind of phototropic intelligent label that object according to the present invention proposes; comprise protective seam, the anti-layer of metal half, wall and metal to be successively all-trans layer; at least one surface of described wall or inside are provided with several highly different steps; the anti-layer of described metal half, wall and metal are all-trans a layer mechanics Fabry-Perot-type cavity; the Fabry-Perot-type cavity of the corresponding a kind of color of the height of step described in each, described protective seam, the anti-layer of metal half or metal are all-trans on layer and have write comments on a document Quick Response Code by the laser mode of writing comments on a document.
Preferably, be also included in metal to be all-trans the adhesive-layer of layer opposite side.
Preferably, a surface in described wall two surfaces is provided with several highly different steps, and another surface is plane.
Preferably, described protective seam is formed with graph text information.
Preferably, described graph text information has nanometer grating structural cycle, and its nanometer grating structural cycle scope is less than the periodic regime of visible wavelength.
Preferably, described wall is provided with the micro-nano structure of different orientation.
Preferably, described phototropic intelligent label transfers to the surface of the packing of product or printed article by hot stamping mode.
Preferably, the coded message of described Quick Response Code comprises sequence number, online network address and product information.
Preferably, state on phototropic intelligent label and be also provided with positioning cursor.
The invention allows for a kind of method for making of phototropic intelligent label; step comprises and forms thin layer, release layer, protective seam, the anti-layer of metal half, wall and metal successively and to be all-trans layer, and at least one surface of described wall or internal production go out several highly different steps.
Compared with prior art, the present invention has following technical advantage:
Phototropic thermoprint and Quick Response Code are combined, realize online examination by Quick Response Code scan function, the color changeable effect of blocking film is remarkable, is easy to identify picture and text phototropic effect, to judge the true and false by human eye.And photochromic material belongs to the top anti-counterfeiting technology of print paper money industry, owing to relating to the evaporation of nano-precision, coating and material technology, extremely difficulty is imitated.
On phototropic blocking film, by laser mode of writing comments on a document, Quick Response Code is write comments on a document on the different retes of phototropic blocking film, form the high-precision Quick Response Code of different characteristic, and by mode that laser is write comments on a document, compared with the Quick Response Code of common printed or ink coding, 2 D code information capacity is larger, and area occupied is less, the quantity of information of Quick Response Code is the highest with the ratio of area occupied, and material is saved.
Utilize positioning thermoprint process, be easy to transfer to containing Quick Response Code phototropic thermoprint layer in printed matter or packaging.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the vertical view of phototropic intelligent label of the present invention
Fig. 2 is the front elevation of phototropic intelligent label of the present invention
The Reference numeral related in accompanying drawing and ingredient illustrate: 1. phototropic region; 2. Quick Response Code; 3. positioning cursor; 4. graph text information; 5. thin layer; 6. release layer; 7. protective seam; 8. the anti-layer of metal half; 9. wall; 10. metal is all-trans layer; 11. adhesive-layers.
Embodiment
As described in the background art, the existing marking structure that anti-counterfeiting technology and bar code are combined, false proofly to be realized by word, area occupied is large, or though security code layer label has good uniqueness, confidentiality but be not easy to human eye rapid identification, or truth identification cannot be reached and the object of online examination at all.
Below, will be described in detail concrete technical scheme of the present invention.
Please also refer to Fig. 1 ~ Fig. 2, phototropic intelligent label in the present invention, it can be blocking film, making step comprises formation thin layer 5 successively, release layer 6, protective seam 7, the anti-layer 8 of metal half, wall 9, metal is all-trans layer 10 and adhesive-layer 11, its intermediate interlayer 9 is can the organic media coating of flow, two relative surface is covered by the anti-layer 8 of metal half and the metal layer 10 that is all-trans respectively, at least one surface of wall 9, namely the surface that the layer 10 that is all-trans with the anti-layer of metal half 8 or metal is crossing, or the inside of wall 9 is provided with several highly different steps, the another side of wall 9 is then plane.The anti-layer 8 of metal half, wall 9, metal is all-trans layer 10 mechanics Fabry-Perot-type cavity, by the thickness effect of material nature and wall 9, these Fabry-Perot-type cavities carry out selectivity outgoing to the light of different frequency, and these several highly different step distributes by the color of required image, the thickness of Fabry-Perot-type cavity and the proportional relation of the corresponding relation of optical wavelength, namely thickness is larger, the optical wavelength forming resonance is longer, the distribution of different step meets the color distribution of required image, the image that final formation one is complete, by the anti-layer 8 of metal half of adjustment phototropic intelligent label, metal is all-trans the evaporation thickness of layer 10, the coating thickness of wall 9, and select wall 9 dielectric material of different refractivity, change the photochromic system of blocking film thus, whole phototropic intelligent label forms phototropic region 1.
The kind of the phototropic of intelligent label, can comprise, from facing to the color change of looking side ways and observing phototropic film:
1. powder aubergine becomes golden, and the thickness of wall is formed red wavelength under normal incidence selects reflection;
2. the blue look of green change, the thickness of wall is formed green wavelength under normal incidence selects reflection;
3. gold turns green, and the thickness of wall is formed yellowish green wavelength under normal incidence selects reflection;
In addition, the step of wall 9 is modulated the micro-nano structure of different orientation, play light and become orientation reflex, phototropic region 1 can present bright line dynamic change thus.
Thus, in phototropic intelligent label, the picture and text color in phototropic region 1 can have different color changeable effects, by changing viewing angle, easily identifying the color change in phototropic region, being easy to false proof.
Can according to actual process requirement; be all-trans in layer 10 different aspects at protective seam 7 or the anti-layer 8 of metal half or metal; Quick Response Code 2 is write comments on a document by the laser mode of writing comments on a document; laser is write comments on a document two-dimension code area and must be formed larger contrast or contrast with not writing comments on a document region simultaneously; thus; formation is easy to identify, is easy to the Quick Response Code 2 scanned.Utilize high-precision laser write comments on a document system by Quick Response Code 2 directly ablation be all-trans on layer 10 at protective seam 7 or the anti-layer 8 of metal half or metal, aspect is burnt, form transmission region, the wavelength coverage that laser writes comments on a document system is 1.06 μm, 532nm, 355nm, preferably, adopt green wavelength 532nm wavelength, the minimum spot size that green wavelength is write comments on a document can be little of 10 μm, the Quick Response Code of the large information capacity of high resolving power can be write comments on a document, thus, reduce Quick Response Code size, Quick Response Code range of size 2mm*2mm ~ 20mm*20mm, codified 1000 word on the Quick Response Code of 10mm*10mm, system is write comments on a document by laser, the high Quick Response Code of contrast 2 can be formed on printed matter after thermoprint, write comments on a document by meticulous simultaneously, 2 D code information capacity is large, area occupied is little, therefore the quantity of information of Quick Response Code and the ratio of area occupied very high, compared with the Quick Response Code of common printed or ink coding, precision is higher, certainly, the present invention is not limited thereto, also Quick Response Code can be generated by common printed or ink coding or other modes.In addition, what every piece of intelligent label 1 should be corresponding unique is two-dimensional encoded, and the information of Quick Response Code coding can comprise sequence number, online network address, product information etc., has absolute accuracy and security thus when surfing the Net examination.
Further, protective seam 7 is formed graph text information 4, comprise word, the combination patterns such as figure, reach auxiliary false proof effect, preferably, graph text information 4 has nanometer grating structural cycle, its nanometer grating structural cycle scope is less than the periodic regime of visible wavelength, be preferably 240nm ~ 400nm, and the periodic regime of visible wavelength is 400nm ~ 760nm, thus, at normal illumination light source (sky, sunshine, electric light source etc.) and normal viewing angle scope (face observation or mobile telephone scanning Quick Response Code time etc.) interior time, graph text information 4 is invisible, but when plunder look observation time, namely plunder look light illumination under (<-65 °), during contrary with incident ray angle views, then can see graph text information 4, thus, both auxiliary false proof effect had been reached, make again graph text information 4 energy stealthy, improve visual perception's degree and security.
Further, in order to eliminate the progressively accumulation of thermoprint process to thermoprint trueness error, therefore on phototropic intelligent label, positioning cursor 3 is provided with, for ensureing the stability of thermoprint, positioning cursor 3 is preferably two, lays respectively at the both sides of phototropic intelligent label, pass through positioning thermoprint process, be easy to the phototropic thermoprint layer containing Quick Response Code 2 to transfer in printed matter or the packing of product, do not need thus to change typography flow process, reduce manufacturing cost.Be stored in Comodity anti-fake system by phototropic region 1 and the corresponding relation of Quick Response Code 2, the two combines, and forms a kind of intelligent label structure, to reach the object of truth identification and online examination.
In addition, phototropic intelligent label in the present invention, also thin layer 5, release layer 6 and adhesive-layer 11 can be omitted, phototropic region 1 and Quick Response Code 2 can be transferred to printed matter or pack without hot stamping process, but directly form the phototropic intelligent label with phototropic region 1 and Quick Response Code 2, be located in the packing of product by other forms, so, also can reach the object of truth identification and online examination.
Phototropic intelligent label structure in the present invention; comprise thin layer 5, release layer 6, protective seam 7, the anti-layer 8 of metal half, wall 9, metal are all-trans layer 10 and adhesive-layer 11; the anti-layer 8 of metal half, wall 9, metal are all-trans layer 10 mechanics Fabry-Perot-type cavity; form phototropic region 1; simultaneously be all-trans in layer 10 different aspects at protective seam 7 or the anti-layer 8 of metal half or metal; Quick Response Code 2 is write comments on a document by the laser mode of writing comments on a document; phototropic region 1 is combined with Quick Response Code 2, to reach the object of truth identification and online examination.Write comments on a document by direct for Quick Response Code ablation on each layer by high-precision laser, 2 D code information capacity is larger, and area occupied is less, and the quantity of information of Quick Response Code is high with the ratio of area occupied, saves material simultaneously.In addition, also by hot stamping process, by the intelligent label thermoprint containing color change interval 1 and Quick Response Code 2 in the packaging of product.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a phototropic intelligent label; it is characterized in that: comprise protective seam, the anti-layer of metal half, wall and metal successively and to be all-trans layer; at least one surface of described wall or inside are provided with several highly different steps; the anti-layer of described metal half, wall and metal are all-trans a layer mechanics Fabry-Perot-type cavity; the Fabry-Perot-type cavity of the corresponding a kind of color of the height of step described in each, described protective seam, the anti-layer of metal half or metal are all-trans on layer and have write comments on a document Quick Response Code by the laser mode of writing comments on a document.
2. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: be also included in release layer and thin layer that described protective seam opposite side formed successively, and the adhesive-layer of layer opposite side that be all-trans at metal.
3. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: a surface in described wall two surfaces is provided with several highly different steps, and another surface is plane.
4. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: described protective seam is formed with graph text information.
5. a kind of phototropic intelligent label as claimed in claim 4, is characterized in that: described graph text information has nanometer grating structural cycle, and its nanometer grating structural cycle scope is less than the periodic regime of visible wavelength.
6. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: described wall is provided with the micro-nano structure of different orientation.
7. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: described phototropic intelligent label transfers to the surface of the packing of product or printed article by hot stamping mode.
8. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: the coded message of described Quick Response Code comprises sequence number, online network address and product information.
9. a kind of phototropic intelligent label as claimed in claim 1, is characterized in that: described phototropic intelligent label is also provided with positioning cursor.
10. the method for making of a phototropic intelligent label as claimed in claim 1; it is characterized in that; step comprises and forms thin layer, release layer, protective seam, the anti-layer of metal half, wall and metal successively and to be all-trans layer, and at least one surface of described wall or internal production go out several highly different steps.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652767A (en) * | 2017-01-19 | 2017-05-10 | 福州固钛光电科技有限公司 | Anti-counterfeiting material and preparation method thereof |
| CN109843590A (en) * | 2016-09-07 | 2019-06-04 | 蒂森克虏伯钢铁欧洲股份公司 | The system of composite articles, composite articles manufacturing method and composite articles and detection device composition |
| CN110517038A (en) * | 2018-05-21 | 2019-11-29 | 程梦梦 | A method of improving two-dimension code safe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5304789A (en) * | 1990-10-19 | 1994-04-19 | Gesellschaft Fur Automation Und Organisation Mbh(Gao) | Multilayer card-shaped data carrier and method for producing same |
| CN102214412A (en) * | 2011-05-10 | 2011-10-12 | 云南荷乐宾防伪技术有限公司 | Composite multifunctional anti-counterfeiting mark manufactured by utilizing laser etching |
| CN102418302A (en) * | 2011-10-21 | 2012-04-18 | 苏州大学 | Safety paper with optical invisible watermarks |
| CN103901518A (en) * | 2014-03-13 | 2014-07-02 | 深圳大学反光材料厂 | Anti-fake grating, anti-fake trademark, hot stamping film and composite film |
| CN103921582A (en) * | 2014-02-24 | 2014-07-16 | 苏州大学 | Variable color thermoprinting membrane and making method thereof |
| CN204926143U (en) * | 2015-08-26 | 2015-12-30 | 苏州苏大维格光电科技股份有限公司 | Phototropic intelligent label |
-
2015
- 2015-08-26 CN CN201510530890.1A patent/CN105046309B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5304789A (en) * | 1990-10-19 | 1994-04-19 | Gesellschaft Fur Automation Und Organisation Mbh(Gao) | Multilayer card-shaped data carrier and method for producing same |
| CN102214412A (en) * | 2011-05-10 | 2011-10-12 | 云南荷乐宾防伪技术有限公司 | Composite multifunctional anti-counterfeiting mark manufactured by utilizing laser etching |
| CN102418302A (en) * | 2011-10-21 | 2012-04-18 | 苏州大学 | Safety paper with optical invisible watermarks |
| CN103921582A (en) * | 2014-02-24 | 2014-07-16 | 苏州大学 | Variable color thermoprinting membrane and making method thereof |
| CN103901518A (en) * | 2014-03-13 | 2014-07-02 | 深圳大学反光材料厂 | Anti-fake grating, anti-fake trademark, hot stamping film and composite film |
| CN204926143U (en) * | 2015-08-26 | 2015-12-30 | 苏州苏大维格光电科技股份有限公司 | Phototropic intelligent label |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843590A (en) * | 2016-09-07 | 2019-06-04 | 蒂森克虏伯钢铁欧洲股份公司 | The system of composite articles, composite articles manufacturing method and composite articles and detection device composition |
| CN106652767A (en) * | 2017-01-19 | 2017-05-10 | 福州固钛光电科技有限公司 | Anti-counterfeiting material and preparation method thereof |
| CN110517038A (en) * | 2018-05-21 | 2019-11-29 | 程梦梦 | A method of improving two-dimension code safe |
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| CN105046309B (en) | 2018-09-14 |
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