CN103832114B - A kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element - Google Patents
A kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element Download PDFInfo
- Publication number
- CN103832114B CN103832114B CN201210491242.6A CN201210491242A CN103832114B CN 103832114 B CN103832114 B CN 103832114B CN 201210491242 A CN201210491242 A CN 201210491242A CN 103832114 B CN103832114 B CN 103832114B
- Authority
- CN
- China
- Prior art keywords
- optical anti
- counterfeit element
- cylindrical mirror
- element according
- base material
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/324—Reliefs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0977—Reflective elements
- G02B27/0983—Reflective elements being curved
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1842—Gratings for image generation
Landscapes
- Credit Cards Or The Like (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The shortcomings of present invention is difficult to control for the high capital equipment and surface topography that technological process in the prior art is complicated, needs are special can overcome the optical anti-counterfeit element of drawbacks described above there is provided a kind of.The present invention provides a kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element, the optical anti-counterfeit element includes base material, face mirror is at least partially covered with the upper surface of the base material, the section of the face mirror is the arbitrary surface structure or its combination that can be modulated to incident light, covered with coating on the surface of the face mirror, the coating cooperates to obtain desired optical effect with the face mirror.
Description
Technical field
The present invention relates to optical anti-counterfeiting field, more particularly to a kind of optical anti-counterfeit element and use the optical anti-counterfeit element
Product.
Background technology
The public that light change coating technology is widely used in the contour false proof marketable securities of banknote is false proof, and it is in different viewing angles
Degree is lower can be presented different colors, be easy to description, it is easy to which the public recognizes, and can not utilize camera, scanner, printer etc.
Electronic equipment is imitated or replicated, so with very high anti-counterfeit capability.
But, there is the time of many decades because light becomes products application, simple light becomes coating technology can not be very
The demand of anti-counterfeit field is met well.Light becomes coating and is combined and is provided newly with peer to peer technology with hollow out, holography, light change
Anti-counterfeiting characteristic.For example, being proposed in patent US5766738, US6114018 and US7729026 by selecting appropriate light to become plating
Thickness degree realizes that light becomes matching characteristic with color.SICPA companies of Switzerland become plating by crushing five layers of light with symmetrical structure
Rotating fields form optically variable pigments（OVP）, and then obtain photochromatic printing ink（OVI）, it can be combined with printing technology, and in the world
It is widely applied in a variety of banknotes.As OVI further development, one layer of magnetosphere is increased just in existing smooth structure changes
Form light metamagnetism ink（OVMI）That is SPARK technologies, the technology enables OVMI particles along magnetic strength by induced by magnetic field
Line direction oriented alignment, so as to form specific picture and text structure., can when particle arrangement has the change of specific rule in OVMI
Produce the optical signatures such as dynamic, scaling（See patent US7517578B2）.But the oriented alignment for being due to light metamagnetism particle need to
To rely on magnetic field, therefore be restricted by magnetic field shape, it is impossible to shape is carried out it is arbitrarily devised, and need specific orientation equipment with
Technique.In order to overcome this shortcoming, WO2011066990A2 and WO2011066991A2 disclose one kind and utilize the micro- anti-mirror in surface
The method of structural simulation curved surface, by accurately controlling the inclination angle and azimuth of each micro- anti-mirror, deposits light change on micro- anti-mirror
Coating structure, can realize OVMI effect, its advantage lies in being able to the angle information of any each pixel of control, realize to figure
As the accurate control of information and details, but this method plate-making difficulty is big, it is necessary to the technique and equipment of special high cost, and
Surface topography is difficult to control.Therefore it is difficult to obtain high-quality master.
The content of the invention
The present invention is difficult for the high capital equipment and surface topography that technological process in the prior art is complicated, needs are special
The shortcomings of control, can overcome the optical anti-counterfeit element and the product using the optical anti-counterfeit element of drawbacks described above there is provided a kind of.
The present invention provides a kind of optical anti-counterfeit element, and the optical anti-counterfeit element is included on base material, the upper surface of the base material
Face mirror is at least partially covered with, the section of the face mirror is the arbitrary surface structure or its group that can be modulated to incident light
Close, covered with coating on the surface of the face mirror, the coating cooperates to obtain desired optical effect with the face mirror.
The present invention also provides a kind of product using above-mentioned optical anti-counterfeit element.
Due to passing through face mirror and the phase interworking for the coating being covered on the mirror surface of face according to the optical anti-counterfeit element of the present invention
Close to obtain desired optical effect, so according to the optical anti-counterfeit element of the present invention and the product using the optical anti-counterfeit element
Not only preparation technology flow is simple, do not need special high capital equipment, but also being capable of easily control surface pattern.
Brief description of the drawings
Fig. 1 is the profile of the optical anti-counterfeit element according to the present invention；
Fig. 2 (a), 2 (b), 2 (c) are with the optical anti-counterfeit element for translating rolling effect using cylindrical lens structure formation
Top view figure, stereochemical structure signal and interception partial cross section；
Fig. 3 (a), 3 (b), 3 (c) are with the optical anti-counterfeit element for translating rolling effect using the formation of spherical mirror structure
Top view figure, stereochemical structure signal and interception partial cross section；
Fig. 4 (a), 4 (b), 4 (c) are with the optical anti-counterfeit element for translating rolling effect using zigzag structure formation
Top view figure, stereochemical structure signal and interception partial cross section；
Fig. 5 gives the schematic diagram into 2D/3D effects using cylindrical anamorph；
Fig. 6 (a), 6 (b), 6 (c) for the optical anti-counterfeit element with plastic relief sense image effect top view figure, vertical
Body structural representation and the partial cross section of interception；And
Fig. 7 is the top view figure of the optical anti-counterfeit element with diffusing reflection feature.
Embodiment
Below in conjunction with the accompanying drawings come be described in detail according to the present invention optical anti-counterfeit element and use the optical anti-counterfeit element
Product, so as to more fully understand the present invention thought.It should be appreciated that the accompanying drawing and detailed description are simply preferred to the present invention
The description of embodiment, not limits the scope of the present invention in any way.
As shown in figure 1, including base material 2 according to the optical anti-counterfeit element 1 of the present invention, the upper surface 21 of the base material 2 is up to
Partially covered with face mirror 3, the section of the face mirror 3 is the arbitrary surface structure or its group that can be modulated to incident light
Close, covered with coating 4 on the surface of the face mirror 3, the coating 4 cooperates to obtain desired optics with the face mirror 3
Effect.
Wherein, arrangement mode of the shown face mirror 3 on the upper surface 21 of base material 2 can be arbitrary, i.e., the present invention is not right
The arrangement mode of face mirror 3 is limited, as long as it can realize the optical effect of any desired.For example, the face mirror 3
Azimuth is variable, and azimuthal direction of rotation can be the difference on the upper surface 21 of 0-360 °, i.e. base material 2
The azimuth of face mirror 3 can be identical or different.In addition, azimuthal anglec of rotation can have one
The fixed stochastic variable for being distributed or being evenly distributed, this can produce a kind of irregular effect, reduce the orienting reflex of light, reduction
Diffraction probability.Hereinafter can the specific arrangement mode of faying face mirror 3 be explained.
In addition, type of the present invention also not to the face mirror 3 in the optical anti-counterfeit element 1 according to the present invention is limited, only
Desired optical effect can be realized by wanting it to be combined with coating 4.For example, the face mirror 3 can be cylindrical mirror（Including post
Convex mirror, post concave mirror）, spherical mirror（Including ball convex mirror, spherical-concave-surface mirror）, Fresnel face mirror or combinations thereof, certainly
It can be other kinds of face mirror.Moreover, the section of the face mirror 3 can be can be modulated on demand to incident light any
Curved-surface structure or its combination, for example, it may be any one structure in the curved-surface structure such as sine, ellipse, hyperbola, parabola
Or the splicing or combination of a variety of curved-surface structures.
Illustrate the optical anti-counterfeit element according to the present invention by taking cylindrical mirror as an example below, but it is to be understood that by appropriate
Ground adjusts the parameters such as cycle, dutycycle, the height of other kinds of face mirror, also results in and is imitated with cylindrical mirror identical optics
Really, moreover, the curved surface of cylindrical mirror can not be strict sphere, but any one above-mentioned curved-surface structure.In addition, the post
The surface of face mirror has radian, and incident light can not only be reflected, and its surface radian can also be entered to incident ray
Row scattering, reduces light intensity to a certain extent, it is to avoid generation shines the shortcoming of eye by force, so as to be more easily observable.But, the post
The preferred salt free ligands effect of face mirror.
In the optical anti-counterfeit element according to the present invention, it is preferable that the cylindrical mirror is in the upper table parallel to the base material 2
Eigenperiod on one direction in face 21 is 2 μm -200 μm, preferably 5 μm -100 μm, and when on one direction
When characteristic size satisfaction is required, the characteristic size on another direction vertical with one direction is unrestricted.And work as post
When eigenperiod of the face mirror on a direction of the upper surface 21 parallel to the base material 2 is less than 2 μm, can exist and significantly spread out
Phenomenon is penetrated, so that iris is presented, this can disturb the color and observing effect of coating 4.Direction and human eye line when cylindrical mirror
Direction it is parallel when, the light launched by cylindrical mirror of the overwhelming majority are entered in human eye, are able to observe that bright coating
Color；When the line of cylindrical mirror and human eye has certain angle, only it is partly into the light reflected by cylindrical mirror
Human eye, therefore light luminance declines；For coating color not with the change of viewing angle for the in the case of of changing, eye-observation
The purity of the coating color arrived declines；For light becomes coating, observed coating color is with the change of viewing angle
Not only color purity decline but also color is also changed；When cylindrical mirror is vertical with the line of human eye, most light are all
It cannot be introduced into human eye, so colouring information can not be observed.Appropriate adjustment is carried out by the arrangement mode to cylindrical mirror,
So that the upper table of the base material 2 of the optical anti-counterfeit element 1 according to the present invention can be made under different angles of inclination or the anglec of rotation
Cylindrical mirror in face 21 at diverse location has identical relative angle or specific forms of motion relative to human eye line, so that
When tilting or rotating the optical anti-counterfeit element 1 according to the present invention, the cylindrical mirror position for keeping equal angular with human eye constantly becomes
Change, by being combined with the structure of coating 4, result in the optical signatures such as dynamic light change, pattern change, the change of 3 D stereo light,
This will be described in detail with reference to accompanying drawing below.
Preferably, height of the cylindrical mirror on the direction of the upper surface 21 perpendicular to the base material 2 be less than 25 μm, and
And preferably smaller than 15 μm.
In addition, when preparing the optical anti-counterfeit element 1 according to the present invention, cylindrical mirror can pass through gradation exposure, laser straight
The micro-nano processing methods such as quarter, electron beam exposure, heat backflow are obtained, and pass through the micro-nano technology sides such as ultraviolet casting, molding, nano impression
Formula carries out batch duplicating.
The structure to the coating 4 in the optical anti-counterfeit element 1 according to the present invention is described below.The coating 4 can be
Interference-type multi-layer film structure, interference-type multi-layer film structure formation Fabry-Perot cavity filter, it has choosing to incident white light
Select effect so that emergent ray only includes some wave bands, so as to form specific color；When incident angle changes, phase therewith
To light path change, interference wave band also changes, so as to cause the color for being presented to observer also to change therewith so that
Form optically variable effect.Wherein, the interference-type multi-layer film structure can include at least one in following items：By being covered in
State the sequentially overlapping reflecting layer on the surface of face mirror 3, the light that low refractive index dielectric layer and absorbed layer are constituted becomes coating structure；By
The coating that sequentially overlapping reflecting layer, high refractive index medium layer and the absorbed layer being covered on the surface of the face mirror 3 are constituted；With
And sequentially overlapping high refractive index medium layer, low refractive index dielectric layer and high refraction by being covered on the surface of the face mirror 3
The medium laminated Rotating fields that rate dielectric layer is constituted.Wherein, the material in reflecting layer can be high reflectance material, such as gold, silver,
Copper, aluminium etc.；The material requirements of absorbed layer is its refractive index and the close material of absorptivity, for example, can be semi-metallic
（Such as silicon, germanium）Or metal material or its alloy（Such as chromium, copper, nickel, nichrome）；High refractive index medium layer
Refractive index is higher than 1.7, such as can be zinc sulphide, titanium dioxide；The refractive index of low refractive index dielectric layer is less than or equal to
1.7, such as can be magnesium fluoride, silica, ice crystal.
The pattern of coating 4 is identical preferably with the surface topography of face mirror 3, so that technological process is simple.
It is further preferred that pierced pattern can also be formed with coating 4, wherein the pierced pattern can be macrograph
Case, micro- word, fine lines etc., so as to realize more preferable antifalse effect.
When preparing the optical anti-counterfeit element 1 according to the present invention, coating 4 can pass through thermal evaporation, electron beam evaporation, magnetic control
Physically or chemically the method such as vapour deposition is obtained for sputtering etc., and produces the effect of homotype covering（That is the table of its pattern and face mirror 3
Face pattern homotype）, so as to keep cylindrical mirror pattern.
Preferably, in the optical anti-counterfeit element according to the present invention, there can also be light on the upper surface 21 of the base material 2
Grid structure（For example, holographic grating structure, sub-wavelength grate structure etc.）, sub-wavelength micro relief profile or combinations thereof, work as plating
When layer 4 is combined with said structure, the features such as holographic optical becomes, rotation light becomes, polarised light becomes can be formed, are prevented so as to add optics
Pseudo- effect.For example, when optical grating construction is holographic grating, the cycle of the holographic grating is variable and positioned at 500nm-5 μm
In the range of；When the optical grating construction is sub-wavelength micro relief profile, the cycle of the sub-wavelength micro relief profile is variable
And in the range of the 50nm to 500nm, be preferably placed in the range of 200nm-400nm.In addition, the micro- embossment of sub-wavelength
The groove profile and groove depth of structure may each be variable, for example, the groove profile can be sinusoidal, rectangle, zigzag at least
One, the groove depth can be located in the range of 10nm to 500nm and be preferably placed in the range of 50nm-200nm.
When preparing the optical anti-counterfeit element 1 according to the present invention, above-mentioned optical grating construction, sub-wavelength micro relief profile etc. can
With by the way that double laser beams interference exposure, laser scribing expose, electron beam the mode such as directly is carved and obtained, by it is ultraviolet pour into a mould, be molded,
The micro-nano technology such as nano impression mode carries out batch duplicating.
In addition, optical anti-counterfeit element 1 according to the present invention can also be included positioned at the upper surface 21 of the base material 2
Functional layer on the upper, surface of the face mirror 3 and/or on the surface of the coating 4（It is not shown）, such as embossed layer, the function
There is layer diffraction light change feature, interference light to become feature, micro-nano structure feature, print characteristics, partially metallised feature and be used for
One or more features in machine-readable magnetic, light, electricity, radiation characteristics.
Preferably, fluorescent material can be added in the material for forming face mirror 3, so that according to the optical anti-counterfeiting of the present invention
Element 1 carries fluorescent characteristics.Preferably, fluorescent material can also add in the base material 2 of optical anti-counterfeit element 1, base material 2 it is upper
At surface 21, at the lower surface 22 of base material 2 and/or at the surface of face mirror 3.Preferably, fluorescent material can for example pass through printing
Mode forms phosphor pattern.
Preferably, the base material 2 in the optical anti-counterfeit element 1 of the present invention can be the colourless of at least local transparent or have
Color dielectric layer, and base material 2 can be one layer of single transparent dielectric film, such as PET film, PVC film, naturally it is also possible to be
Surface carries functional coating（Such as embossed layer）Transparent dielectric film, can also be the multilayer film by being composited.It is described
Functional coating can have and above-mentioned functions layer identical feature.
Multiple parameters, such as cycle, height, dutycycle, surface shape are had according to the cylindrical mirror or similar structures of the present invention
Looks, azimuth etc., when it is combined with coating 4, also need to consider each thickness degree, Refractive Index of Material, lighting source, the table of coating 4
The parameters such as face micro-nano structure.Therefore design according to the present invention optical anti-counterfeit element 1 when, need to using Fresnel reflection law,
Maxwell equation group and boundary condition, the modulating action to incident light is determined with reference to the structure of coating 4 jointly.But due to
Micro-structural, coating structure, the complex characteristics of materials optical parameter and boundary condition, therefore, need to be from basic theories, according to asking
The concrete condition of topic and optical signature algorithm for design, program calculation are realized, it is final to determine each side design parameter, such as post
The parameters such as cycle, height, dutycycle, the azimuth of face mirror, according to the number of plies and each thickness degree, metal material of the coating of the present invention
Material, dielectric material, substrate material etc..
It is particularly suitable for being fabricated to opened window safety line according to the optical anti-counterfeit element 1 of the present invention.The thickness of the safety line is not
More than 50 μm.Cheque paper with the opened window safety line is used for the anti-of all kinds of high safety products such as banknote, passport, marketable securities
It is pseudo-.
Label, mark, width bar, transparent window, overlay film etc. also are used as according to the optical anti-counterfeit element 1 of the present invention, can be with
Sticked to by various bonding mechanisms on various articles, high safety product and high added value such as being transferred to banknote, credit card
On product.
In addition, including according to the present invention optical anti-counterfeit element 1 product can include but is not limited to banknote, credit card,
All kinds of high safety products such as passport, marketable securities and high value added product, and each wrapping paper, packing box etc..
With reference to Fig. 2（a）It is described in detail to Fig. 7 according to optical anti-counterfeit element 1 of the invention, but Fig. 2（a）To figure
The arrangement mode of face mirror shown in 7 is only example, and the present invention is not limited thereto.
Fig. 2 (a), 2 (b), 2 (c) respectively illustrate the row from the top top view surface cylindrical mirror of optical anti-counterfeit element 1
Row, the stereochemical structure signal of optical anti-counterfeit element 1 and the partial section view of interception, wherein different zones define different directions row
The cylindrical lens structure of row, the width of the cylindrical mirror is 30 μm, the cycle is 32 μm, is highly 8 μm.The coating 4 is Cr/
SiO2The color changeable coating that/Al is constituted, wherein Al is close to the surface of cylindrical mirror, thereon sequentially overlapping SiO2And Cr, coating
The thickness of each layer is respectively 5nm/430nm/60nm in 4, the color characteristic of the coating 4 be the change with viewing angle and from fuchsin
Color is converted to green.The thickness of the base material 2 is 19 μm.Realized by using the structure of such optical anti-counterfeit element 1
Effect is：During the top view optical anti-counterfeit element 1, with the change of viewing angle, whole region can be produced with color and bright
The effect that the pattern translation secretly changed is rolled.Similar to the Rollingbar effects realized using OVMI technologies.
Fig. 3 (a), 3 (b), 3 (c) are respectively to use spherical mirror as face mirror 3 to obtain the effect of pattern translation rolling
Top view figure, optical anti-counterfeit element 1 stereochemical structure signal and interception partial cross section.
Fig. 4 (a), 4 (b), 4 (c) are respectively to use zigzag structure conduct to obtain the effect of pattern translation rolling
The stereochemical structure signal of the top view figure, optical anti-counterfeit element 1 of face mirror 3 and the partial cross section of interception.
Fig. 5 schematically illustrates the signal that 2D/3D effects are formed using the cylindrical mirror 3 of certain parameter and spread pattern
Figure.Be shaped as four image-region such as Fig. 5 (a) of " KINE ", (b), (c), shown in (d), their differences in horizontal position are
D, has been respectively filled with the different cylindrical lens structure in azimuth（Parameter of the parameter with Fig. 2 central column face mirrors）, azimuthal change
It is gradual change.The mode that region in Fig. 5 (a), (b), (c), (d) is carried out such as Fig. 5 (e), (f), (g), (h) is split
Afterwards, synthesized in the way of Fig. 5 (i), so that it is determined that the most end form of the cylindrical lens structure arrangement of optical anti-counterfeit element 1
Formula.The optical anti-counterfeit element 1 formed according to the method will be during top view changes visual angle with color and light and shade change
2D/3D features change and with depth of field sense and certain dynamic effect.
Can by change Fig. 5 (a), (b), (c), (d) image format obtain different effects, for example, by they point
" K ", " I ", " N ", " E " four image-regions are not defined as, then observer's top view will be made to be obtained during changing visual angle
Transition effect between multiple images.For another example they are respectively defined as under the different angles of true stereo object or model
Different images, then can by the way that it is matched with azimuthal relation of cylindrical mirror so that observer overlook see
Examine change visual angle during obtain real third dimension.
Fig. 6 (a), 6 (b), 6 (c) are respectively to carry the image for having plastic relief sense that color and light and shade change to obtain
Top view figure, stereochemical structure signal and the partial cross section of interception of effect and the optical anti-counterfeit element 1 of use cylindrical mirror 3.Its
Black region schematically represents cylindrical mirror in middle Fig. 6 (a), 6 (b), the pattern of selected cylindrical mirror and arrangement mode signal
Provided by Fig. 6 (c) to property.
Fig. 7 is in order to obtain the top view figure that diffusing reflection effect uses cylindrical lens structure 3.In figure in different zones
Cylindrical mirror orientation relatively randomization.The effect that optical anti-counterfeit element 1 according to Fig. 7 is realized is：Top view should
During optical anti-counterfeit element, with the change of viewing angle, whole region can produce with color and light and shade change with granular sensation,
The diffusing reflection feature of flickering.
It should be appreciated that in above example, to obtain corresponding visual effect, the face mirror 3 can be used and is not limited to
The structure that embodiment is specifically designated is stated, can also be using other planes that can be modulated to the coating structure that surface is covered
Type or curved face type surface relief structure and combinations thereof.
The certain preferred embodiments of the present invention are exemplarily only described above.But those skilled in the art can manage
Solution, on the premise of without departing from present inventive concept and spirit, can make various equivalents or modification to the present invention, and such
Obtained technical scheme should also belong to protection scope of the present invention.
Claims (19)
1. a kind of optical anti-counterfeit element, the optical anti-counterfeit element includes covering at least in part on base material, the upper surface of the base material
Cylindrical mirror is stamped, the section of the cylindrical mirror is the arbitrary surface structure or its combination that can be modulated to incident light, described
Covered with coating on the surface of cylindrical mirror, the coating cooperates to obtain desired optical effect with the cylindrical mirror, its
In, the surface of the cylindrical mirror has a radian, the surface radian of the cylindrical mirror incident light can not only be reflected and
Modulation can also be scattered to incident light, eye is shone by force to reduce light intensity to a certain extent and to avoid producing；
Wherein, the upper surface of the base material has optical grating construction, and the optical grating construction is sub-wavelength micro relief profile；
Wherein, the upper surface of the base material, the lower surface of the base material, the surface of the cylindrical mirror and/or the cylindrical mirror sheet
Body carries phosphor pattern feature.
2. optical anti-counterfeit element according to claim 1, wherein, the azimuth of the cylindrical mirror is variable, Er Qiesuo
Azimuthal direction of rotation is stated for 0-360 °.
3. optical anti-counterfeit element according to claim 2, wherein, azimuthal anglec of rotation have certain distribution or
The stochastic variable being evenly distributed.
4. optical anti-counterfeit element according to claim 1, wherein, by the cylindrical mirror replace with spherical mirror or cylindrical mirror and
The combination of spherical mirror.
5. optical anti-counterfeit element according to claim 1, wherein, the cylindrical mirror salt free ligands effect.
6. optical anti-counterfeit element according to claim 1, wherein, the cylindrical mirror is in the upper surface parallel to the base material
A direction on eigenperiod be 2 μm -200 μm, and when on one direction characteristic size meet require when, with
Characteristic size on another vertical direction of one direction is unrestricted.
7. optical anti-counterfeit element according to claim 1, wherein, the cylindrical mirror is in the upper surface parallel to the base material
A direction on eigenperiod be 5 μm -100 μm, and when on one direction characteristic size meet require when, with
Characteristic size on another vertical direction of one direction is unrestricted.
8. optical anti-counterfeit element according to claim 1, wherein, the cylindrical mirror is in the upper surface perpendicular to the base material
Direction on height be less than 25 μm.
9. optical anti-counterfeit element according to claim 1, wherein, the cylindrical mirror is in the upper surface perpendicular to the base material
Direction on height be less than 15 μm.
10. optical anti-counterfeit element according to claim 1, wherein, the coating is interference-type multi-layer film structure, the interference
Type multi-layer film structure formation Fabry-Perot cavity filter.
11. optical anti-counterfeit element according to claim 1, wherein, the pattern of the coating and the cylindrical mirror surface
Pattern is identical.
12. optical anti-counterfeit element according to claim 1, wherein, it is formed with pierced pattern in the coating.
13. optical anti-counterfeit element according to claim 1, wherein, the variable period of the sub-wavelength micro relief profile and
In the range of 50nm to 500nm.
14. optical anti-counterfeit element according to claim 1, wherein, the variable period of the sub-wavelength micro relief profile and
In the range of 200nm-400nm.
15. optical anti-counterfeit element according to claim 1, wherein, the groove profile of the sub-wavelength micro relief profile is variable
's.
16. optical anti-counterfeit element according to claim 1, wherein, the groove depth of the sub-wavelength micro relief profile is variable
, and the groove depth is in the range of 10nm to 500nm.
17. optical anti-counterfeit element according to claim 1, wherein, the groove depth of the sub-wavelength micro relief profile is variable
, and the groove depth is in the range of 50nm-200nm.
18. optical anti-counterfeit element according to claim 1, wherein the optical anti-counterfeit element also includes being located at the base material
Upper surface on, the functional layer on the surface of the cylindrical mirror and/or surface of the coating, the functional layer has diffraction light
Become feature, interference light become feature, micro-nano structure feature, print characteristics, partially metallised feature and for machine-readable magnetic, light,
One or more features in electricity, radiation characteristics.
19. a kind of product of optical anti-counterfeit element of use according to any one of claim 1-18 claim.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210491242.6A CN103832114B (en) | 2012-11-27 | 2012-11-27 | A kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element |
| PCT/CN2012/085795 WO2014082319A1 (en) | 2012-11-27 | 2012-12-04 | Optical anti-counterfeiting element and products using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210491242.6A CN103832114B (en) | 2012-11-27 | 2012-11-27 | A kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103832114A CN103832114A (en) | 2014-06-04 |
| CN103832114B true CN103832114B (en) | 2017-10-24 |
Family
ID=50796138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210491242.6A Active CN103832114B (en) | 2012-11-27 | 2012-11-27 | A kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103832114B (en) |
| WO (1) | WO2014082319A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291630B (en) * | 2014-08-01 | 2017-01-25 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and anti-counterfeiting product provided with same |
| CN104309355B (en) * | 2014-10-14 | 2016-10-05 | 中国机动车辆安全鉴定检测中心 | A kind of security protection Rotating fields for the new edition Hongkong and Macro contact pass and method |
| CN104385800B (en) * | 2014-10-16 | 2017-10-24 | 中钞特种防伪科技有限公司 | Optical anti-counterfeit element and optical anti-counterfeiting product |
| EP3951449A1 (en) | 2015-06-02 | 2022-02-09 | Toppan Printing Co., Ltd. | Laminate and manufacturing method for same |
| CN106324726B (en) * | 2015-07-08 | 2020-07-10 | 昇印光电（昆山）股份有限公司 | 3D imaging optical film |
| US11143794B2 (en) | 2015-07-08 | 2021-10-12 | Shine Optoelectronics (Kunshan) Co., Ltd | Optical film |
| CN106891637B (en) * | 2015-12-17 | 2018-12-21 | 中钞特种防伪科技有限公司 | Optical anti-counterfeit element and preparation method thereof |
| CN106915170B (en) * | 2015-12-28 | 2020-02-18 | 苏州苏大维格光电科技股份有限公司 | Metallic hot stamping film and preparation method and use method thereof |
| CN105403947A (en) * | 2015-12-29 | 2016-03-16 | 上海宏盾防伪材料有限公司 | Safety layer structure with holographic image |
| CN110001234B (en) * | 2018-01-05 | 2022-08-30 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and optical anti-counterfeiting product |
| CN111716937B (en) * | 2019-03-19 | 2021-10-26 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and optical anti-counterfeiting product |
| CN111823749B (en) * | 2019-04-19 | 2022-02-25 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element, manufacturing method thereof and optical anti-counterfeiting product |
| CN211787902U (en) * | 2020-04-27 | 2020-10-27 | 苏州苏大维格科技集团股份有限公司 | Dynamic pattern light colour changing film |
| CN112859213B (en) * | 2021-02-18 | 2023-10-20 | 嘉兴驭光光电科技有限公司 | Micro-nano optical element and design method thereof |
| CN115230364B (en) * | 2021-04-25 | 2024-03-29 | 中钞特种防伪科技有限公司 | Optical security element, method for designing an optical security element, security product and data carrier |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005011612A1 (en) * | 2004-08-13 | 2006-02-23 | Giesecke & Devrient Gmbh | Data carrier with an optically variable structure |
| CN101269610B (en) * | 2007-03-21 | 2012-06-27 | 中钞特种防伪科技有限公司 | Optical false proof element and product having the false proof element |
| CN101699323B (en) * | 2009-11-02 | 2011-12-28 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element and optical anti-counterfeiting product having same |
| DE102010047250A1 (en) * | 2009-12-04 | 2011-06-09 | Giesecke & Devrient Gmbh | Security element, value document with such a security element and manufacturing method of a security element |
| CN101767511B (en) * | 2010-01-12 | 2012-11-28 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting component and product with anti-counterfeiting component |
| JP5477046B2 (en) * | 2010-02-25 | 2014-04-23 | 凸版印刷株式会社 | Display body and manufacturing method thereof |
| CN102514443B (en) * | 2011-12-09 | 2015-04-29 | 中钞特种防伪科技有限公司 | Optical anti-counterfeiting element |
-
2012
- 2012-11-27 CN CN201210491242.6A patent/CN103832114B/en active Active
- 2012-12-04 WO PCT/CN2012/085795 patent/WO2014082319A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014082319A1 (en) | 2014-06-05 |
| CN103832114A (en) | 2014-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103832114B (en) | A kind of optical anti-counterfeit element and the product using the optical anti-counterfeit element | |
| CN103576216B (en) | A kind of optical anti-counterfeit element and adopt the anti-fake product of this optical anti-counterfeit element | |
| US10007233B2 (en) | Decorative element and security document comprising a decorative element | |
| US11529822B2 (en) | Micro-optic device with integrated focusing element and image element structure | |
| CN101011916B (en) | Patterned optical structures with enhanced security feature | |
| CA2780458C (en) | Security element, value document having such a security element, and manufacturing method for a security element | |
| RU2395400C2 (en) | Protective element and method of its production | |
| JP5788886B2 (en) | Security device | |
| CN105228835B (en) | Safety device and its manufacture method | |
| CN106536212B (en) | The manufacturing method of Security element, valuable document and Security element | |
| CN103625154B (en) | A kind of optical anti-counterfeit element and use the product of this optical anti-counterfeit element | |
| CN104647936B (en) | A kind of optical anti-counterfeit element and the optical anti-counterfeiting product using the optical anti-counterfeit element | |
| US11221448B2 (en) | Animated optical security feature | |
| MX2012010057A (en) | Moire magnification device. | |
| CN102905909A (en) | Security element, value document comprising such a security element, and method for producing such a security element | |
| EP3210069A2 (en) | Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products | |
| US20220221735A1 (en) | Optical switch devices | |
| CN109153280A (en) | Optically variable security element | |
| CN110936750A (en) | Optical anti-counterfeiting element and anti-counterfeiting product | |
| AU2014250641A1 (en) | Security element, value document comprising such a security element and method for producing such a security element | |
| CA3147131A1 (en) | Security devices and methods of manufacture | |
| CN104223620A (en) | Coin medal | |
| US20230264510A1 (en) | Optical switch devices | |
| AU2016228200A1 (en) | Security element, value document comprising such a security element and method for producing such a security element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100070 No. 6 Spark Road, Science City, Beijing, Fengtai District Patentee after: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100070 No. 6 Spark Road, Science City, Beijing, Fengtai District Patentee before: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |