CN110415602A - A kind of double-colored dynamic anti-fake film and preparation method thereof - Google Patents
A kind of double-colored dynamic anti-fake film and preparation method thereof Download PDFInfo
- Publication number
- CN110415602A CN110415602A CN201910509828.2A CN201910509828A CN110415602A CN 110415602 A CN110415602 A CN 110415602A CN 201910509828 A CN201910509828 A CN 201910509828A CN 110415602 A CN110415602 A CN 110415602A
- Authority
- CN
- China
- Prior art keywords
- layer
- micro
- low power
- picture
- microlens array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
Abstract
The present invention provides a kind of double-colored dynamic anti-fake film and preparation method thereof, belongs to field of anti-counterfeit technology.The present invention is a kind of double-colored dynamic anti-fake film, the micro-lens arrays layer being from top to bottom arranged successively, substrate layer, first micro- picture and text layer, second micro- picture and text layer, gum layer, micro-lens arrays layer includes the first microlens array with different focal lengths that is staggered, second microlens array, first micro- picture and text layer includes the first color base layer, it is embedded in the first very low power of the first color base layer, it is filled in the first colored ink of the first very low power, second color base layer, embedded the second very low power with the second color base layer, it is filled in the second colored ink of the second very low power, first very low power, second very low power Heterogeneous Permutation.As color layer, the More's effect and lens amplification of first micro- picture and text layer, second micro- picture and text layer can visually show the effect of dynamic anti-fake for first micro- picture and text layer, second micro- picture and text layer, and there are two types of the dynamic effects of color.
Description
Technical field
The invention belongs to field of anti-counterfeit technology, and in particular to a kind of double-colored dynamic anti-fake film and preparation method thereof.
Background technique
The safety of national certificate and currency is the stable chief component of national society.Physical security be national certificate with
One of the important means of safety of currency.Dynamic anti-fake membrane technology based on microlens array have manufacture difficulty it is high, dynamic
The significant advantages such as effect is strong, public's identification is eye-catching, have obtained the approval of multiple countries, on multinational banknote and passport
It is applied, such as the U.S., Mexico, South Korea.
The technology only has monochromatic dynamic products at present.
Current existing anti-fake registered trademark includes laser holographic mark, two dimensional code, anti-forgery ink printing etc., these are anti-fake
Means since its physical principle is easily understood, can industrialized production, therefore cost of manufacture it is lower and be conducive to be widely popularized.But with
These technologies it is universal with come into the open, enable its antiforge function be decreased obviously, fraud businessman allowed to have an opportunity to take advantage of, therefore urgent need is sought
A kind of manufacturing technology threshold is higher, anti-counterfeiting technology convenient for public anti-counterfeit recognition.Microlens array anti-counterfeiting technology is new in the world
The top public anti-counterfeiting technology of a generation；Due to the deep high praise by convertible foreign exchange association of the technical matters.
Traditional dynamic anti-fake film is by microlens array, substrate layer, micro- picture and text layer and gum layer；Wherein microlens array is
Single microlens array, micro- picture and text layer are made of very low power structure sheaf and the colored ink being filled in very low power.According to
Upper structure, colored ink are filled in the micro-structure of very low power by blade coating, and usually only 2-10 microns of the structure of very low power, mesh
Preceding that such high-precision printing technology may be implemented without technique, blade coating can only realize uniform whole colouring, and whole colouring is most
Big limitation is exactly can only have a kind of color in region, also just can only see the picture and text effect of solid color, is easy in this way
It is imitated, ineffective security.
Summary of the invention
In view of this, the present invention provides a kind of double-colored dynamic anti-fake film and preparation method thereof, anti false film can be presented simultaneously
Two kinds of colors out, while dynamic visual effect is visually had, different images, anti-fake effect can be presented in different angle observation
Fruit is good, is not easy to be imitated.
The present invention is a kind of double-colored dynamic anti-fake film, the micro-lens arrays layer being from top to bottom arranged successively, substrate layer, first
Micro- picture and text layer, second micro- picture and text layer, gum layer, the micro-lens arrays layer includes first to be staggered with different focal lengths
Microlens array, the second microlens array, first micro- picture and text layer include the first color base layer, are embedded in the first color base layer
The first very low power, be filled in the first colored ink of first very low power, it is the second color base layer, embedded with second color
Second very low power of base, the second colored ink for being filled in second very low power, first very low power, the second very low power
Heterogeneous Permutation, so that the first very low power will not block the second very low power when observing from top to bottom, in first microlens array
The color that the color of first colored ink is presented, second colored ink is presented in second microlens array.
Preferably, the distance of first microlens array away from the first very low power is equal to the first lenticule focal length
0.8-1.2 times.
Preferably, the distance of second microlens array away from the second very low power is equal to the second lenticule focal length
0.8-1.2 times.
Preferably, first microlens array, the arrangement period of the first very low power are identical.
Preferably, second microlens array, the arrangement period of the second very low power are identical.
Preferably, the focal length of first microlens array is less than the second microlens array, first lenticule
The focal length of array is 10-125 microns, the focal length of second microlens array is 20-150 microns.
Preferably, the arrangement period of first microlens array is greater than the second microlens array.
It is a kind of based on a kind of previously described preparation method of double-colored dynamic anti-fake film, comprising the following steps:
(1) it is coated with one layer 3-10 microns thick UV coating on the side of substrate layer, is then bonded with microlens array mother matrix, exposes
It is separated after solidification, forms microlens array on substrate layer；
(2) in the other side of substrate layer, then it is bonded by coating UV coating with the mother matrix of first micro- picture and text layer, and UV exposure is multiple
It is removed after conjunction, forms the first micro- picture and text layer for having the first very low power；
(3) the first colored ink is filled into the first very low power by scratching, the solidification of the first colored ink；
(4) then it is bonded by the coating UV coating on first micro- picture and text layer with the mother matrix of second micro- picture and text layer, UV exposure is compound
After remove, formed have the second very low power second micro- picture and text layer；
(5) the second colored ink is filled into the second very low power by scratching, the solidification of the second colored ink；
(6) it is coated with gum layer on second micro- picture and text layer, double-colored dynamic anti-fake film is made.
Preferably, the substrate layer is the PET of two-sided precoating.
Micro-lens arrays layer can generate orientation, refraction, diffraction or scattering, first micro- picture and text to incident light in the present invention
Layer, second micro- picture and text layer are as color layer, the More's effect and lens amplification of first micro- picture and text layer, second micro- picture and text layer,
The effect of dynamic anti-fake can be visually showed, there are two types of colors for first micro- picture and text layer, second micro- picture and text layer band, and there are two types of face
The dynamic effect of color, can be by adjusting the first very low power of first micro- picture and text layer, the second very low power of second micro- picture and text layer
Arrangement mode changes the pattern of image, makes it have anti-fake mark.Anti false film can show two kinds of colors simultaneously, while
Dynamic visual effect is visually had, different images can be presented in different angle observation, and antifalse effect is good, is not easy counterfeit.
And the preparation method of the preparation method of the double-colored dynamic anti-fake film in the present invention is simple, it is anti-fake by adjusting the pattern adjustment of mother matrix
Pattern in film, antifalse effect are good.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the double-colored dynamic anti-fake film provided in the specific embodiment of the invention；
Fig. 2 is a kind of another structural schematic diagram of the double-colored dynamic anti-fake film provided in the specific embodiment of the invention.
Wherein: 1- micro-lens arrays layer；The first microlens array of 11-；The second microlens array of 12-；2- substrate layer；3-
One micro- picture and text layer；31- the first color base layer；The first very low power of 32-；The first colored ink of 33-；The micro- picture and text layer of 4- second；41- second
Color base layer；The second very low power of 42-；The second colored ink of 43-；5- gum layer.
Specific embodiment
The present invention is described in detail With reference to embodiment.
Fig. 1, Fig. 2 are please referred to, Fig. 1 is a kind of structure of the double-colored dynamic anti-fake film provided in the specific embodiment of the invention
Schematic diagram；Fig. 2 is a kind of 1 side of slave micro-lens arrays layer of the double-colored dynamic anti-fake film provided in the specific embodiment of the invention
The structural schematic diagram (can be understood as overlooking renderings) of observation.
A kind of double-colored dynamic anti-fake film, the micro-lens arrays layer 1 being from top to bottom arranged successively, substrate layer 2, first micro- picture and text
Layer 3, second micro- picture and text layer 4, gum layer 5, the micro-lens arrays layer 1 include be staggered it is first with different focal lengths micro-
Lens array 11, the second microlens array 12, first micro- picture and text layer 3 include the first color base layer 31, are embedded in described first
First very low power 32 of color base layer 31, the first colored ink 33 for being filled in first very low power 32, the second color base layer 41,
Embedded and the second color base layer 41 the second very low power 42, the second colored ink 43 for being filled in second very low power 42,
First very low power 32,42 Heterogeneous Permutation of the second very low power, so that the first very low power 32 will not block when observing from top to bottom
The color, described second micro- of first colored ink 33 is presented in first microlens array 11 for second very low power 42
The color of second colored ink 43 is presented in lens array 12.
First microlens array 11, the second microlens array 12 are located in same level.
First colored ink 33, the second colored ink 43 be different colours ink, such as the first colored ink 33 be blue,
Second colored ink 43 is black, and specific color can be selected as needed.
Wherein, distance of first microlens array 11 away from the first very low power 32 is equal to the 0.8- of the first lenticule focal length
1.2 again；Distance of second microlens array 12 away from the second very low power 42 is equal to the 0.8-1.2 of the second lenticule focal length
Times.First microlens array 11, the arrangement period of the first very low power 32 are identical.Second microlens array 12,
The arrangement period of second very low power 42 is identical, includes multiple first microlens arrays 11, the second lenticule in micro-lens arrays layer 1
Array 12, the first microlens array 11, the direction in length and breadth of the second microlens array 12 and the first very low power 32, the second very low power 42
Direction in length and breadth it is identical, the first microlens array 11, lenticule in the second microlens array 12 focal length can pass through change
The diameter of its corresponding lenticule, radian adjustment.First very low power 32, the second very low power 42 are located at different structure sheafs, and institute is right
The form for being projected as intersecting in the horizontal plane answered, is blocked, the position of the first very low power 32 and the so that this does not occur for the two
One lenticule is corresponding, and the position of the second very low power 42 is corresponding with the second lenticule, can make the first microlens array in this way
The color of first colored ink 33 is presented in 11, second colored ink 43 is presented in second microlens array 12
Color.
The distance of first the first very low power of lenticule distance 32 less than second the second very low power of lenticule distance 42 distance,
So the focal length of the first microlens array 11, less than the second microlens array 12, the focal length of the first microlens array 11 can be
10-125 microns, the focal length of second microlens array 12 be 20-150 microns.The arrangement of first microlens array 11
Period is greater than the second microlens array 12.Here the meaning of arrangement period is with distance between distance measurements lenticule in an array
Minimum value.
Carrier of the substrate layer 2 as this patent anti false film, plays a supporting role, meanwhile, distance interval effect is provided, is promoted
It is located at picture and text near the focal length of lens, therefore different 2 thickness of substrate layer is selected according to different focal lengths.For realize compared with
Good adhesive force contains precoated shet in the two sides of substrate layer 2, precoated shet improve substrate and lenticule active force and substrate with
The active force of picture and text layer.
Gum layer 5 plays the role of bonding, for anti false film to be bonded in adherend.
It is a kind of based on a kind of previously described preparation method of double-colored dynamic anti-fake film, comprising the following steps:
(1) on the side of the PET base material layer 2 of two-sided precoating be coated with one layer 3-10 micron thickness UV coating, then with lenticule battle array
Column mother matrix is bonded, and is separated after exposure curing, is formed microlens array on substrate layer 2；
(2) in the other side of substrate layer 2, then it is bonded by coating UV coating with the mother matrix of first micro- picture and text layer 3, UV exposure
Removing after compound, forms the first micro- picture and text layer 3 for having the first very low power 32；
(3) the first colored ink 33 is filled into the first very low power 32 by blade coating, the solidification of the first colored ink 33；
(4) then it is bonded by the coating UV coating on first micro- picture and text layer 3 with the mother matrix of second micro- picture and text layer 4, UV exposure is multiple
It is removed after conjunction, forms the second micro- picture and text layer 4 for having the second very low power 42；
(5) the second colored ink 43 is filled into the second very low power 42 by blade coating, the solidification of the second colored ink 43；
(6) it is coated with gum layer 5 on second micro- picture and text layer 4, double-colored dynamic anti-fake film is made.
The main image-forming principle of the present invention is between micro-lens arrays layer 1 and first micro- picture and text layer 3, second micro- picture and text layer 4
Moire effect and lens amplification, Moire effect refer to when watching the lamination of one group of line or point and another group of line or point attentively
A kind of visual effect, this two groups of points or line are different in relative size, corner or spacing.Moire effect can pass through usually
Screen window is observed when seeing another screen window or background.This effect can be also generated on photo or reprography product.
Micro-lens arrays layer 1 can generate orientation, refraction, diffraction or scattering, first micro- picture and text to incident light in the present invention
3, second micro- picture and text layer 4 of layer is used as color layer, and first micro- picture and text layer 3, More's effect of second micro- picture and text layer 4 and lens amplification are made
With can visually show the effect of dynamic anti-fake, first micro- picture and text layer 3, second micro- picture and text layer 4 have with there are two types of colors
The dynamic effect of two kinds of colors, can by adjusting the first very low power 32 of first micro- picture and text layer 3, second micro- picture and text layer 4
The arrangement mode of two very low powers 42 changes the pattern of image, makes it have anti-fake mark.And the double-colored dynamic in the present invention is anti-
The preparation method of the preparation method of pseudomembrane is simple, and by adjusting the pattern in the pattern adjustment anti false film of mother matrix, antifalse effect is good,
It is not easy counterfeit.
The present invention is not limited to above-mentioned specific embodiment, and the invention may be variously modified and varied.All foundations
Technical spirit of the invention should be included in the present invention to embodiment of above any modification, equivalent replacement, improvement and so on
Protection scope.
Claims (9)
1. a kind of double-colored dynamic anti-fake film, which is characterized in that micro-lens arrays layer, the substrate layer, being from top to bottom arranged successively
One micro- picture and text layer, second micro- picture and text layer, gum layer, the micro-lens arrays layer include to be staggered with different focal lengths
One microlens array, the second microlens array, first micro- picture and text layer include the first color base layer, are embedded in first color base
First very low power of layer, the first colored ink for being filled in first very low power, the second color base layer embed and described second
Second very low power of color base layer, the second colored ink for being filled in second very low power, first very low power, second micro- ditch
Slot Heterogeneous Permutation, so that the first very low power will not block the second very low power, first microlens array when observing from top to bottom
The color of second colored ink is presented in the middle color that first colored ink is presented, second microlens array.
2. a kind of double-colored dynamic anti-fake film according to claim 1, which is characterized in that first microlens array is away from
The distance of one very low power is equal to 0.8-1.2 times of the first lenticule focal length.
3. a kind of double-colored dynamic anti-fake film according to claim 2, which is characterized in that second microlens array is away from
The distance of two very low powers is equal to 0.8-1.2 times of the second lenticule focal length.
4. a kind of double-colored dynamic anti-fake film according to claim 1, which is characterized in that the first lenticule battle array
Column, the arrangement period of the first very low power are identical.
5. a kind of double-colored dynamic anti-fake film according to claim 4, which is characterized in that the second lenticule battle array
Column, the arrangement period of the second very low power are identical.
6. a kind of double-colored dynamic anti-fake film according to claim 1, which is characterized in that the coke of first microlens array
It is 10-125 microns, second microlens array away from the focal length less than the second microlens array, first microlens array
Focal length be 20-150 microns.
7. a kind of double-colored dynamic anti-fake film according to claim 6, which is characterized in that the row of first microlens array
The period is arranged greater than the second microlens array.
8. a kind of preparation method based on a kind of double-colored dynamic anti-fake film described in any one of claim 1 to 7, feature
It is, comprising the following steps:
(1) it is coated with one layer 3-10 microns thick UV coating on the side of substrate layer, is then bonded with microlens array mother matrix, exposes
It is separated after solidification, forms microlens array on substrate layer；
(2) in the other side of substrate layer, then it is bonded by coating UV coating with the mother matrix of first micro- picture and text layer, and UV exposure is multiple
It is removed after conjunction, forms the first micro- picture and text layer for having the first very low power；
(3) the first colored ink is filled into the first very low power by scratching, the solidification of the first colored ink；
(4) then it is bonded by the coating UV coating on first micro- picture and text layer with the mother matrix of second micro- picture and text layer, UV exposure is compound
After remove, formed have the second very low power second micro- picture and text layer；
(5) the second colored ink is filled into the second very low power by scratching, the solidification of the second colored ink；
(6) it is coated with gum layer on second micro- picture and text layer, double-colored dynamic anti-fake film is made.
9. a kind of preparation method of double-colored dynamic anti-fake film according to claim 8, which is characterized in that the substrate layer is
The PET of two-sided precoating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509828.2A CN110415602A (en) | 2019-06-13 | 2019-06-13 | A kind of double-colored dynamic anti-fake film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509828.2A CN110415602A (en) | 2019-06-13 | 2019-06-13 | A kind of double-colored dynamic anti-fake film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110415602A true CN110415602A (en) | 2019-11-05 |
Family
ID=68359039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910509828.2A Pending CN110415602A (en) | 2019-06-13 | 2019-06-13 | A kind of double-colored dynamic anti-fake film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110415602A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180617A (en) * | 2020-09-30 | 2021-01-05 | 艾斯芸印刷科技(深圳)有限公司 | Multicolor three-dimensional anti-counterfeiting element and preparation method thereof |
| CN112562489A (en) * | 2020-12-15 | 2021-03-26 | 武汉华工图像技术开发有限公司 | Variable dynamic holographic anti-counterfeiting mark and preparation method thereof |
| WO2021218100A1 (en) * | 2020-04-29 | 2021-11-04 | 苏州苏大维格科技集团股份有限公司 | Micromirror dynamic photochromic film |
| CN114428391A (en) * | 2020-10-29 | 2022-05-03 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and anti-counterfeiting product comprising same |
| 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 |
| WO2022166894A1 (en) * | 2021-02-03 | 2022-08-11 | 中钞特种防伪科技有限公司 | Anti-counterfeiting element |
| WO2023005996A1 (en) * | 2021-07-28 | 2023-02-02 | 中钞特种防伪科技有限公司 | Customizable anti-counterfeiting element and anti-counterfeiting product |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906547A (en) * | 2003-11-21 | 2007-01-31 | 纳米发明公司 | Micro-optic security and image presentation system |
| CN102466884A (en) * | 2010-11-08 | 2012-05-23 | 赵建平 | Micro-optical-structure-based dynamic display technology |
| CN103576216A (en) * | 2012-08-02 | 2014-02-12 | 中钞特种防伪科技有限公司 | Optical anti-fake element and anti-fake product with same |
| CN104200253A (en) * | 2014-09-05 | 2014-12-10 | 苏州苏大维格光电科技股份有限公司 | Dynamic optical enlargement effect based anti-counterfeiting intelligent card and manufacturing method thereof |
| KR20170015840A (en) * | 2016-04-18 | 2017-02-09 | 한국조폐공사 | Multi-view 3d image security element and security goods comprising the same |
| CN107614281A (en) * | 2015-05-21 | 2018-01-19 | Ccl证券私人有限公司 | Combine lenticule Optical devices |
| CN109285439A (en) * | 2018-09-25 | 2019-01-29 | 武汉华工图像技术开发有限公司 | A kind of graphic anti-counterfeiting structure and preparation method thereof based on microlens array |
-
2019
- 2019-06-13 CN CN201910509828.2A patent/CN110415602A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906547A (en) * | 2003-11-21 | 2007-01-31 | 纳米发明公司 | Micro-optic security and image presentation system |
| CN102466884A (en) * | 2010-11-08 | 2012-05-23 | 赵建平 | Micro-optical-structure-based dynamic display technology |
| CN103576216A (en) * | 2012-08-02 | 2014-02-12 | 中钞特种防伪科技有限公司 | Optical anti-fake element and anti-fake product with same |
| CN104200253A (en) * | 2014-09-05 | 2014-12-10 | 苏州苏大维格光电科技股份有限公司 | Dynamic optical enlargement effect based anti-counterfeiting intelligent card and manufacturing method thereof |
| CN107614281A (en) * | 2015-05-21 | 2018-01-19 | Ccl证券私人有限公司 | Combine lenticule Optical devices |
| KR20170015840A (en) * | 2016-04-18 | 2017-02-09 | 한국조폐공사 | Multi-view 3d image security element and security goods comprising the same |
| CN109285439A (en) * | 2018-09-25 | 2019-01-29 | 武汉华工图像技术开发有限公司 | A kind of graphic anti-counterfeiting structure and preparation method thereof based on microlens array |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218100A1 (en) * | 2020-04-29 | 2021-11-04 | 苏州苏大维格科技集团股份有限公司 | Micromirror dynamic photochromic film |
| CN112180617A (en) * | 2020-09-30 | 2021-01-05 | 艾斯芸印刷科技(深圳)有限公司 | Multicolor three-dimensional anti-counterfeiting element and preparation method thereof |
| CN114428391A (en) * | 2020-10-29 | 2022-05-03 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and anti-counterfeiting product comprising same |
| WO2022088815A1 (en) * | 2020-10-29 | 2022-05-05 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and anti-counterfeiting product comprising optical anti-counterfeiting element |
| CN114428391B (en) * | 2020-10-29 | 2023-06-02 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and anti-counterfeiting product comprising same |
| CN112562489A (en) * | 2020-12-15 | 2021-03-26 | 武汉华工图像技术开发有限公司 | Variable dynamic holographic anti-counterfeiting mark and preparation method thereof |
| WO2022166894A1 (en) * | 2021-02-03 | 2022-08-11 | 中钞特种防伪科技有限公司 | Anti-counterfeiting element |
| WO2023005996A1 (en) * | 2021-07-28 | 2023-02-02 | 中钞特种防伪科技有限公司 | Customizable anti-counterfeiting element and anti-counterfeiting product |
| 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 |
| CN114708787B (en) * | 2022-03-14 | 2023-10-03 | 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110415602A (en) | A kind of double-colored dynamic anti-fake film and preparation method thereof | |
| RU2666330C2 (en) | Security device and method of manufacture | |
| US8964296B2 (en) | Method for producing a microstructure on a carrier | |
| AU2006246716C1 (en) | Image presentation and micro-optic security system | |
| RU2553417C2 (en) | Method of micro lenses production | |
| BE1020247A5 (en) | OPTICALLY MULTIPLE CHANNEL VARIABLE DEVICE. | |
| US20110122499A1 (en) | Optically variable devices | |
| FR3066142A1 (en) | OPTICAL SAFETY DEVICE AND MANUFACTURING METHOD | |
| EP2494386A1 (en) | Security element comprising a substrate bearing an optical structure and a reference pattern, and associated method | |
| CN102844198A (en) | Moire magnification device | |
| WO2014019238A1 (en) | Colored, dynamic, and amplified safety film | |
| CH713843B1 (en) | Micro-optical device with integrated focusing element and picture element structure. | |
| US20120105928A1 (en) | Security element comprising basic reflective structures | |
| CN102712206A (en) | Security device and method of manufacturing the same | |
| AU2016100401B4 (en) | Micro-optic device with double sided optical effect | |
| CN107614281A (en) | Combine lenticule Optical devices | |
| CN107405943A (en) | Aperiodicity moire safety element and its production method | |
| CN109903672A (en) | A kind of lenticule anti false film | |
| FR3055707A1 (en) | 3D MICRO-MIRRORS DEVICE | |
| FR2966269A1 (en) | Optical safety device for use in safety document, has image elements modulated by regions along brilliance levels of corresponding regions of gray-level input image or color input image to view gray-level input image or color input image | |
| EP2494398A1 (en) | Security element comprising an adhesive and a substrate bearing an optical structure, and associated method | |
| WO2018077245A1 (en) | Stereoscopic anti-counterfeiting microlens sheet | |
| EP3967509B1 (en) | Security device for an identity document and identity document comprising such a security device | |
| CN113195238A (en) | Surface applied low-light anti-fake safety device | |
| US20230185089A1 (en) | Optical device with holographic layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191105 |
|
| RJ01 | Rejection of invention patent application after publication |