EP3600903A2 - Sicherheitselement und verfahren zur herstellung eines sicherheitselements - Google Patents
Sicherheitselement und verfahren zur herstellung eines sicherheitselementsInfo
- Publication number
- EP3600903A2 EP3600903A2 EP18712904.4A EP18712904A EP3600903A2 EP 3600903 A2 EP3600903 A2 EP 3600903A2 EP 18712904 A EP18712904 A EP 18712904A EP 3600903 A2 EP3600903 A2 EP 3600903A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- security element
- microstructures
- microstructure
- webs
- tracks
- 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.)
- Granted
Links
Classifications
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- 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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/23—Identity cards
-
- 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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/24—Passports
-
- 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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- 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
- B42D25/328—Diffraction gratings; Holograms
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- 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
- B42D25/337—Guilloche patterns
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- 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
- B42D25/373—Metallic materials
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- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/41—Marking using electromagnetic radiation
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- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/425—Marking by deformation, e.g. embossing
-
- 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
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
-
- 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
- B42D25/40—Manufacture
- B42D25/48—Controlling the manufacturing process
- B42D25/485—Controlling the manufacturing process by electronic processing means
Definitions
- the invention relates to a security element and a method for producing a security element.
- Security elements serve, in particular, to bring about a security effect and the authenticity of an object
- Security elements are also used in particular to a
- a security element according to claim 1 and a method according to claim 63 is characterized in that one or more first microstructures are provided or manufactured, wherein the first microstructures are each provided in one or more at least partially curved tracks or in one or more at least partially curved sections of a track, and / or each along one or more at least partially curved paths or along one or more at least partially curved sections of a web.
- a method for producing such a security element is characterized in that at least one file containing pixels of one or more picture elements is provided, which comprises the location of the pixels, that of the location of the pixels one or more at least
- Picture elements can be achieved.
- the effects can be further preferably achromatic or monochromatic.
- Transition transformation or the transition have multiple intermediates.
- a flip effect is preferably understood as a change of a motif to another motif. The change takes place in particular without intermediate stages.
- a security element generates information that can be captured by the human viewer. This information can be optically variable. Optical variability is understood as meaning a dependence of the visual appearance of the information on a viewing and / or illumination angle.
- a security element, in particular an optical security element can in this case preferably be made of the transfer layer of a transfer film, of a laminating film or of a
- Foil element or the security element can be introduced directly into the surface of an object.
- the security element in particular an optical security element, can in this case preferably be applied to the surface of the security element
- Security document be applied or at least partially in the
- the first microstructures preferably generate, under irradiation with light, one or more visual effects that can be detected by a human observer or by machine.
- the wavelengths detectable to the human eye are in the range between 380 nm (violet) and 780 nm (deep red) of the electromagnetic spectrum, the relative sensitivity of the eye below 430 nm and above 690 nm being less than 1% of the maximum value at 555 nm , Consequently, in the spectral ranges 380 nm to 430 nm and 690 nm to 780 nm only very strong light sources such as bright LEDs or lasers
- the first microstructures preferably together provide a first optically variable information.
- This first optically variable information preferably comprises one or more 3D effects and / or motion effects. These effects are
- achromatic or mono-chromatic In the case of achromatic effects no or almost no diffractive color effects occur and the
- Image elements a substantially monochrome appearance and especially not occurring in "usual" diffraction structures rainbow effects.
- the first optically variable information has one or more
- Pixels on. These pixels are preferably composed of several pixels
- the pixels are preferably provided by first microstructures which are provided in different tracks or run along different tracks.
- the pixels of the picture elements are each provided by one or more of the first microstructures, which due to their arrangement in one or more tracks or sections of one or more tracks, the incident light to provide the pixels under predetermined viewing and / or
- each pixel of the one or more picture elements is thus provided by one of the associated first microstructures and each of the
- associated first microstructures is provided on a respectively associated path of the one or more tracks or runs along a respective associated path.
- each of the pixels is one of these
- the microstructures associated with the respective web are furthermore preferably configured such that the pixels are tilted and / or bent and / or upon rotation of the security element move along the associated path, when illuminated with at least one light source, preferably with a point light source. When lighting appears with a single light source, preferably with a single light source.
- Point light source prefers only one pixel per track.
- the one or more first microstructures are preferably provided such that the pixels of one or more picture elements preferably move at a constant distance relative to one another.
- the pixels move or move in particular with each other or with each other in a relatively coupled manner, wherein the pixel preferably does not change.
- the one or more first microstructures prefferably be provided such that the spacing of the pixels relative to one another preferably changes.
- Pixels represents the picture element only in a narrow viewing angle range. If the security element, however, outside this tight
- the pixels are preferably seen in a random appearing arrangement, which in particular not the
- Image element but preferably as a point cloud.
- Bending is preferably understood to mean the deformation of the security element in a certain way by exerting a force, "bending" a security element therefore means, in particular, applying force to the security element
- Security element understood, wherein the shape of the security element is changed by the force or is changeable. A curved one
- Security element thus has in comparison to the unbent security element on a modified geometry, in particular curvature on.
- the speed of movement of the pixels along the respective path at a constant angular velocity during the tilting and / or bending and / or rotation of the security element can in this case be the same or different to each other and / or the pixels can be different
- Movement speed course of the pixels on the respective tracks interesting optical variable effects can be generated as the first optical variable information.
- the spatial arrangement and the spatial progression of the pixels can be determined by the appropriate selection of the respective microstructures provided on the tracks and / or sections of the tracks:
- one or more motion effects in particular optical motion effects
- one or more of the picture elements may each extend along the at least one path, in particular by one or more rotations and / or bends and / or tiltings of a security element having the at least one track via one or more arbitrary axes through a
- Movement effects preferably each be an achromatic and / or monochromatic and / or depending on a lighting and / or viewing angle motion effect. Furthermore, in particular when tilting and / or bending and / or when rotating the security element, a sequence of picture elements which have a movement effect can be provided by the first microstructures
- the first microstructures provide a sequence of picture elements which have a 3D movement effect, a 3D morphing effect and / or a 3D flip effect produce.
- the sequence of picture elements is here preferably generated by the movement of the pixels along the tracks during tilting and / or during bending and / or during rotation of the security element, as already explained above.
- the pixels generated by the first microstructures may have different shapes. These pixels preferably have one
- the dimensions of the individual pixels are preferably chosen so that the pixels can be perceived by the unarmed human eye.
- the lateral dimensions of the pixels are in this case preferably in the range between 200 ⁇ and 500 ⁇ , more preferably between 200 ⁇ and 300 ⁇ .
- the lateral dimensions of the pixels are below the resolution of the human eye, whereby a particular high resolution of the pixels can be achieved.
- the lateral dimensions of the pixels are in this case preferably between 20 ⁇ and 200 ⁇ , more preferably between 75 ⁇ and 200 ⁇ .
- the size of the pixels perceived by the unaided human eye may differ from the actual size of the pixels. For example, a bright luminous pixel can be perceived larger. As a result, in particular pixels are perceivable whose actual size below the
- At least one of the lateral dimensions of the pixels is preferably determined by the width of the respective webs, in which the first microstructure
- Structure parameter of the associated first microstructure determined.
- Two or more of the pixels may each be objected to each other so as not to be resolved with the unaided human eye can.
- the spacing of the pixels is preferably selected between 5 ⁇ and 300 ⁇ , more preferably between 10 ⁇ and 200 ⁇ .
- Spacing of the pixels here preferably means the spacing of the outer edges of the pixels from one another. This spacing is preferably determined by the corresponding spacing of the associated tracks which generate the respective pixel.
- the pixels are spaced apart from one another such that the individual pixels can be resolved with the human eye.
- the spacing of the pixels is preferably more than 300 ⁇ , more preferably more than 500 ⁇ .
- One or more of the picture elements may each advantageously be, for example, a motif, a graphically designed outline, a figurative representation, an image, a visually recognizable image, a symbol, a logo, a portrait, a pattern, a
- the individual pixels of the pixel also different directions of movement with respect to the webs and / or
- Security element is tilted and / or bent and / or rotated.
- a motion effect of a picture element may depend on a rotation about an arbitrarily oriented axis.
- a transformation in particular a morphing, preferably a flip
- a transformation can provide at least one sequence of picture elements which can be detected by a viewer as a movement, transformation and / or morphing effect.
- One or more webs and / or first microstructures may preferably be arranged relative to one another such that a transformation, in particular morphing,
- the flip can be provided as a sequence from one picture element to one or more further picture elements.
- Motion, and transformation and / or Morphing effect provide detectable sequence of pixels. This also applies to 3D motion, SD transformation and / or 3D morphing effects.
- the transformation in particular the morphing, preferably the flip, can comprise at least one viewer-detectable, achromatic or monochromatic movement, transformation and / or morphing effect and / or motion, which depends on at least one illumination and / or viewing angle. Transformation and / or Morphing effect, along the tracks and / or first microstructures provide.
- the security element has the number 4 and the number 2, tilting and / or bending and / or rotation of the
- Security elements change the number 4 to the number 2 and / or vice versa.
- the security element comprises only one lane. If the web is illuminated with a light source, an image point is preferably detectable for an observer, which upon rotation and / or bending and / or tilting of the security element about arbitrary axes, at least one
- Moving effect in particular at least one of a lighting and / or viewing angle dependent motion effect, along the path provides.
- the security element preferably comprises a plurality of webs comprising a plurality of first microstructures. As already stated above, this can be achieved that for an observer one in particular the number the number of pixels corresponding to the tracks can be detected, which provide one or more picture elements.
- the security element is designed to be illuminated with a plurality of light sources.
- a second-line security feature is preferably understood to mean a security feature that can only be identified and / or detected using an aid.
- a web is understood in particular to be a sheet-like region having a width, preferably a constant width, which follows an at least partially curved curve, preferably an elliptical,
- circular, spiral and / or circular arc-shaped curve follows, wherein the curve in particular open or closed, in particular a portion of a closed curve, may be.
- the web and / or one or more contours of the web follow a curve curved on one side, so that preferably the sign of the curvature is the same everywhere, then that in particular the curvature of at least one curve does not change the sign.
- a curvature is understood in particular to be a local deviation of a curve from a straight line.
- the curvature of a curve is to be understood as meaning, in particular, a change in direction per continuous length and / or path of a sufficiently short curve segment or curve profile.
- the curvature of a straight line is zero everywhere.
- a circle with a radius r has the same curvature everywhere, namely 1 / r.
- the curvature changes from curve point to curve point, in particular, the curvature changes from curve point to curve point continuously, so that the curves in particular have no kinks and / or discontinuities.
- the curvature of a curve in a point P thus indicates how much the curve in the immediate vicinity of the point P deviates from a straight line.
- the amount of curvature is referred to as the radius of curvature and this corresponds to the reciprocal of the amount of a local radius vector.
- the radius of curvature is the radius of the circle that represents the best approximation in a local vicinity of the contact and / or tangent point P of a curve.
- the curvature of two or more webs, in particular circular orbits and / or elliptical orbits, may be the same.
- two or more webs more preferably circular paths or circular paths and / or elliptical paths, comprising in each case one or more first microstructures, have different curvature profiles, wherein in particular a pronounced 3D effect, more preferably a 3D effect in combination with a strong achromatic movement effect can be provided, wherein the two or more webs, preferably circular paths or circular tracks and / or elliptical tracks, each comprising one or more first microstructures in particular to each other
- the width of one or more of the tracks is advantageously between 3 ⁇ and 300 ⁇ , preferably between 10 ⁇ and 100 ⁇ .
- the width of one or more webs may change depending on a course direction of the respective web.
- the width preferably changes in each case at least in sections continuously and / or discontinuously along the course direction of the respective web.
- the width of the respective web is preferably determined by the distance between the longitudinal edges of the respective web.
- At least 50%, preferably 70%, particularly preferably 90% of all webs of a plurality of webs can each form at least one fifth, preferably at least one quarter, particularly preferably one third, more preferably half of a closed web.
- At least 50%, preferably 70%, particularly preferably 90% of all webs of a plurality of webs can each form at least one quarter circle, preferably at least one third circle, particularly preferably a semicircle.
- the curvature of one or more of the webs is in each case between 0.02 mm “1 and 2 mm “ 1 , preferably between 0.1 mm “1 and 1 mm “ 1 , or the radius between 0.5 mm and 50 mm, in particular between 1 mm and 10 mm.
- the curvature courses are preferably two or more webs, in particular all webs, more preferably all circular and / or elliptical webs, always the same. Further, it is also possible that one or more of the webs, in particular all webs, more preferably all circular and / or
- the curvature of one or more of the webs does not change the sign over the entire course of the respective webs.
- the radius and / or the curvature and / or the radius of curvature of one or more of the webs may change depending on a course direction of the respective web. Preferably, this change is at least partially continuous or discontinuous along the
- the width of one or more of the webs is smaller than the radius or the radii of the respective webs and / or in each case smaller than the curvature radii of the respective web.
- an associated first microstructure is provided in each of the tracks or in each of the sections of a track.
- the entire surface area of the respective track or of the respective section is preferably occupied by the assigned first microstructure.
- the associated first microstructure is preferably not provided outside the area of the respective track or the respective section of a track.
- the associated first microstructure extends along the associated path or the associated portion of a path. This means that at least one structural parameter of the assigned first microstructure depends on a parameter of the web, in particular the local
- the changed tangential orientation and / or width of the web and in particular the longitudinal extent of the structural elements of the first microstructure has a constant angle to the tangential orientation of the associated web.
- at least one orientation, longitudinal extension and / or preferred direction of the first microstructure and / or the structural elements of the first microstructure are thus each followed by the associated path or the contour of the associated path.
- the orientation, longitudinal extension and / or preferred direction of the microstructure is preferably oriented at each point of the web parallel to the course direction of the web and / or the contour of the web and / or encloses with these a predetermined offset angle.
- the underlying first microstructure is thus preferably aligned with the respective local tangential orientation of the respective web.
- the local tangential orientation of one or more structural parameters of one or more of the first microstructures may have the same angle to a local radius of curvature vector as the respective trajectory, where "locally" refers to the same location, in particular the same point on the particular trajectory where the The detailed approach to selecting different microstructures to be used as the first microstructure will be discussed later in the corresponding specification of this microstructure.
- the security element may further preferably one or more second ones
- the second optical information may be optically variable.
- the one or more second microstructures are preferably each provided in a surface area which does not overlap with the webs.
- the area regions in which the one or more second microstructures are provided are preferably in the form of a pattern, in particular as
- the second microstructures can be provided in an area region that consists of two or more subregions spaced apart from one another, which are each shaped like a strip, in particular with a width smaller than 300 ⁇ m.
- One or more of the subregions may each overlap an associated interruption region of the one or more webs at least in regions.
- Microstructure elements of the respective one or more second microstructures each as one or more relief structures, in particular as one or more surface reliefs, preferably as one or more oval or round lenses, more preferably as one or more free-form surfaces with one or more
- Lens effects in particular preferably be formed as one or more free and / or circular shaped Fresnel lenses.
- One or more of the second microstructures preferably
- the respective second microstructures preferably have a multiplicity of second facet surfaces whose course and / or inclination angle profile is determined in such a way that the relief image is provided by reflection and / or diffraction of the incident light.
- HRI High Refractive Index
- One or more of the first and / or second microstructures can each be converted by holographic exposure into a volume hologram or shaped as relief structures. More preferably, one or more of the first and / or second
- Microstructures each have a plurality of first and second, respectively
- microstructure elements which are each characterized in particular by the parameters spacing of the microstructure elements, relief depth, relief shape, orientation of the longitudinal direction of the microstructure elements.
- Microstructures may be formed as a grid, in particular as a sinusoidal or rectangular or triangular grid.
- a sinusoidal grating advantageously produces in particular two equally intense diffraction patterns, preferably in the -1. and +1. Diffraction order, but in particular but also higher diffraction orders can occur.
- Particularly preferred may be one or more of the first and / or second
- Microstructures as one or more sawtooth microstructures
- a blaze grating advantageously diffracts incident light mainly into a first diffraction order, preferably into a +1. or -1. Diffraction order.
- a point light source is thus only a diffraction image with high intensity, preferably with higher intensity than in the other
- Diffraction order visible. Higher intensity means that the intensity in a diffraction order, for example the -1. Diffraction order, in particular by at least the factor 2, preferably the factor 3 greater than in another diffraction order, for example, the +1. Diffraction order, is.
- one or more of the first microstructures, in particular the blazed gratings may be superimposed with in each case at least one finer structure, for example a sub-wavelength grating, wherein the
- Achromatic diffraction of the first microstructures preferably becomes monochromatic.
- Microstructure elements are advantageously between 0.2 ⁇ and 50 ⁇ , preferably between 0.3 ⁇ and 20 ⁇ , more preferably between 2 ⁇ and 10 ⁇ .
- microstructures is typically between 50 nm and 15 ⁇ , advantageously between 50 nm and 5000 nm, preferably between 100 nm and 3000 nm.
- the first or second microstructures diffract and / or scatter the incident light in a narrower angular range, in particular in an angle range between + 10 ° and -10 °, in order to deflect the directly reflected light, ie. H. the light of the zero order of diffraction, around.
- Microstructure elements are preferably each sinusoidal, triangular,
- first and second microstructure elements may each have a linear shape and be shaped in particular in the form of grid lines, which preferably have a triangular cross-section.
- one or more of the line-shaped microstructure elements each have a length between 50 .mu.m and 100 mm, preferably between 0.5 mm and 50 mm, and in particular between 2 mm and 20 mm and / or the length of one or more of linear
- Microstructure elements in particular the grid lines, by at least the factor 5 and preferably the factor 10 greater than the grating period and / or the
- the average spacing of one or more of the first microstructure elements of the one or more anisotropically scattering structures is in each case between 0.5 ⁇ m and 10 ⁇ m, particularly preferably between 0.8 ⁇ m and 5 ⁇ m.
- the mean distance of a structure is defined as the mean value of the distances between adjacent local maxima and / or local minima of a structure, in particular of a respective matt structure.
- each case at least three, preferably at least five, grating periods of one or more of the first microstructures and / or in each case at least three, preferably at least five, average distances of one or more of the first microstructures in the respective one or more webs to be arranged.
- first and / or second microstructure elements of the first and second microstructures each have at least one first or second facet surface, which preferably forms one or more predominantly refractive microstructures, for example micromirrors.
- the first and second facet surfaces each have a smallest area dimension between 10 ⁇ 2 and 5000 ⁇ 2 , in particular between 25 ⁇ 2 and 900 ⁇ 2 , on.
- the first and second facet surfaces each have a smallest area dimension between 10 ⁇ 2 and 5000 ⁇ 2 , in particular between 25 ⁇ 2 and 900 ⁇ 2 , on.
- Facet surfaces preferably each have an angle of inclination to the surface normal of the security element between 1 ° and 45 °, in particular between 1 ° and 20 °, on.
- the first and second facet surfaces preferably have a planar surface or a convex or concave curved surface.
- One or more of the second microstructure elements of first and second facet surfaces preferably provide at least one, preferably
- the angle of inclination of the first and second facet surfaces is preferably in each case between 1 ° and 45 °, in particular between 1 ° and 20 °.
- the period and / or the inclination of one or more of the first and second facet surfaces in each case varies continuously along one or more lateral dimensions.
- one or more structural parameters of one or more of the microstructure elements of the first microstructure may each vary continuously and / or continuously along the respective one or more webs, wherein one or more of the structural parameters may preferably be selected from: spacing of the first microstructure elements, relief depth, Orientation of the longitudinal direction of the first microstructure elements, preferred direction, average distance of the first microstructure elements, inclination angle of the first facets.
- the orientation may preferably be one or more first
- one or more of the webs may correspond to the local orientation of one or more first microstructure elements of the respective first microstructure or the local preferred direction of one or more first facets of the respective first microstructure respectively to the local curvature of the respective web a plurality of the longitudinal edges of the respective one or more webs and / or may be determined by the one or more centroid lines of the respective one or more webs.
- the local orientation of one or more first microstructure elements of the respective first microstructure or the local preferred direction of one or more first facets of the respective first microstructure each differ from the local curvature of the respective path not more than 0 ° to 30 °, wherein the local
- Curvature can be determined in particular by one or more longitudinal edges of the respective web or by one or more centroid lines of the respective web.
- Orbits the local orientation of one or more first microstructure elements of the respective first microstructure or the local preferred direction of one or more of the first facets of the respective one of the first microstructures in each case from the local one Distinguish curvature of the respective path by a predetermined deviation angle to a maximum of ⁇ 30 °, wherein the local curvature in particular by one or more longitudinal edges of the respective web or by one or more
- Centroid lines of the respective web can be determined.
- one or more of the webs may have the local orientation of one or more first microstructure elements of the respective first microstructure or the local preferred direction of one or more facets of the respective first microstructure in each case an angle between -45 ° and the local curvature of the respective web + 45 °, preferably an angle between -30 ° and + 30 °, more preferably an angle between -15 ° and + 15 °, wherein the local curvature in particular by one or more longitudinal edges of the respective web or by one or more centroid lines the respective track can be determined.
- one or more of the webs can extend the longitudinal extension of one or more first microstructure elements of the respective first microstructure and / or the preferred direction parallel or perpendicular to the respective web, relative to the plane defined perpendicular to the surface normal of the security element, in particular in each case parallel or perpendicular to one or more longitudinal edges of the respective track or one or more centroid lines of the respective track.
- the abovementioned subarea of one or more of the webs preferably comprises at least 50% of the respective web, particularly preferably at least 70% of the respective web, particularly preferably at least 85% of the respective web.
- at least one radiation source in particular a light source, preferably a punctiform light source
- only one point and / or one location of the respective path scatters light and / or diffracts and / or reflects, so that a picture element provided thereby, in particular at least a pixel, at least one tilting and / or bending and / or rotation of the web-containing security element to the left and / or right and / or forward and / or back, in particular to any axis, at least provides a movement effect.
- one or more of the webs and / or one or more of the first microstructures may intersect into one or more intersection regions, where one or more of the webs may intersect once or twice or more and / or one or more of the webs may intersect in pairs can cut in different frequencies.
- a number of three closed and / or open webs B1, B2, and B3 may intersect such that the webs B1 and B2 intersect twice, intersect the webs B1 and B3 four times, and intersect the webs B2 and B3 only once.
- the tracks can also cut a track itself.
- the tracks do not intersect themselves.
- first microstructure or the first microstructures of one of the webs intersecting in the respective cutting region are provided in one or more of the intersecting regions.
- the first microstructure or the first microstructures of the other intersecting webs are then not provided in this cutting region.
- first microstructures of two or more, in particular of all, webs intersecting in the cutting region may be provided in one or more of the intersecting regions.
- first microstructure or the first microstructures of the cutting paths are provided in a one- or two-dimensional grid, wherein the grid width is in particular between 10 ⁇ and 300 ⁇ .
- This screening of different first microstructures is referred to below as a mosaic surface.
- Movement effects in particular in optical motion effects, the respective path, in particular with respect to a security element whose tracks no mosaic surfaces, avoided or at least visually less conspicuous.
- each web and / or first microstructure extending through a cut region may be assigned an equal proportion of the area of the cut region, so that each web is provided with the same portion, in particular area portion, in the cut region.
- each of the two tracks and / or the first two will be cut
- Microstructures in the cutting area assigned to a surface in particular an area ratio of 50% of the area of the cutting area.
- any of three, generally n, intersecting webs and / or first microstructures may be one
- One or more surface regions are provided in one or more of the intersection regions, which are provided with one of the first microstructures of the webs intersecting in the respective intersection region.
- the one or more surface regions are in this case preferably less than 150 ⁇ m, more preferably less than 50 ⁇ m, remote from the respective cutting region. This distance is determined by the distance between the nearest outer edges of the cutting region and / or in the cutting region of the intersecting webs and the nearest outer edge of the respective surface region.
- Such a configuration can effectively increase the existing area for the first microstructures of the intersecting webs in the cutting area without adversely affecting the visual appearance.
- interruptions in the sequences of movement, Morphing and / or flip effects can be avoided or at least visually less conspicuous, which are provided by the intersecting in the respective cutting area tracks.
- At least one of the tracks and / or at least one of the first microstructures may have at least one interruption.
- the first microstructure or the first microstructures of the respective webs are not provided or not continued here. Due to the interruptions, it is possible to superimpose effects provided by the first microstructures with further optical effects of the
- Resolution of the human eye and preferably have in this direction a lateral extent between 0.5 ⁇ and 200 ⁇ , more preferably between 1 ⁇ and 100 ⁇ .
- at least one interruption of at least one web and / or at least one first microstructure may be present in at least one intersection region of two or more webs and / or two or more first microstructures.
- At least one interruption of at least one path and / or at least one first microstructure be present outside a section region of two or more tracks and / or two or more first microstructures.
- the breaks are preferably random and / or pseudorandom distributed.
- one or more of the interrupts may each be randomly and / or pseudo-randomly distributed in parallel and / or perpendicular to one or more tangent vectors of the respective lane.
- At least one web and / or at least one first microstructure may have at least one offset.
- An offset is present when two parts and / or subregions and / or sections of at least one track and / or a first microstructure are offset from each other, in particular to each other
- Shift can be arbitrarily large.
- Offset each be smaller than the width of the respective web.
- At least one web and / or a first microstructure may have at least one offset, the at least one offset in particular randomly and / or pseudo-randomly distributed over the arc length, preferably a portion of the arc length, the at least one web and / or a first microstructure can be. More preferably, the offsets, in particular the size of the
- one or more of the offsets may be random and / or pseudorandom parallel and / or perpendicular to one or more
- Tangential vectors of the respective track be distributed.
- Such an offset can be achieved by at least one cut, in particular at least one straight cut, by at least one web and / or a first
- Microstructure and the subsequent displacement of at least one such cut web and / or first microstructure relative to the web and / or first microstructure are provided.
- the angle of the at least one section in particular the at least one intersection angle, can be aligned arbitrarily, in particular arbitrarily to an orientation and / or to a longitudinal extent of the at least one cut web and / or first microstructure, so that the at least one by at least one Cut cut web and / or first microstructure and the at least one web and / or first microstructure not flush into each other.
- adjacent parts of a section of at least one cut web and / or a first microstructure may be arranged displaced relative to one another.
- an offset may provide a reduction in unwanted chromatic diffraction, such that in particular an improved achromatic appearance and thus an improved sequence of picture elements
- Displacement and / or the displacement less than a width of a web and / or a first microstructure amount.
- an offset in particular the size of the offset and / or the shift, the width of a web
- the offset in particular the size of the displacement and / or the displacement, not more than five times the width of a web and / or a first microstructure, which in particular jumps in the effects of motion, morphing and / or flip Effects, preferably one or more pixels, the first microstructures can be avoided.
- an offset in particular the size of the offset and / or the shift, is on average between 1% and 50%, preferably between 2% and 20%, of the width of one or more webs and / or first microstructures.
- a file comprising one or more location arrangements of pixels of one or more picture elements is provided.
- a further step from the
- one or more first microstructures are provided in the one or more webs or sections of webs which provide a first optically variable information upon exposure, in particular one or more 3D effects and / or motion effects in
- the webs with the microstructures can be created for example by means of electron beam lithography or laser lithography in a master substrate.
- Master substrates can then be copied into a metal substrate, in particular nickel, in a galvanic process.
- a metal substrate in particular nickel
- duplication of the metal substrate is preferably obtained corresponding replication tools that the
- a sequence of the picture elements may be defined in the file in order to be able to determine the desired path of the picture elements by moving the picture elements along the tracks during tilting and / or bending and / or turning of
- a sequence of pixels may be defined in the file such that an unrecognizable image, such as a random or pseudorandom array of dots and / or a cloud-like distribution of dots, is tilted and / or flexed and / or bent
- the first and / or second microstructures are preferably by means of a
- These layers are preferably resist layers which have a layer thickness, preferably in the range between 1 ⁇ and 10 ⁇ . It is also possible that these are Layers around a carrier film of the security element, in particular a PET film is.
- One or more further layers which lie above the replication layer from the visible side of the carrier film, may be color layers, in particular opaque, translucent or transparent color layers. These color layers are preferably applied or shaped in a pattern. Alternatively, the replication layer may also be a translucent or transparent color layer.
- One or more further layers can also be arranged on the carrier film of the security element, wherein in particular one or more of the further layers are selected from: release layer, protective layer, adhesive layer,
- Non-stick layer, barrier layer, adhesive layer is further preferably coated with one or more reflection layers, which cover the one or more first and / or second microstructures at least in regions.
- These reflective layers are preferably metallic ones
- Reflection layers for example of aluminum (Al), copper (Cu) or silver (Ag) and / or high-index layers, so-called HRI layers, such as TiO 2 or ZnS.
- the one or more layers of the security element in which the one or more first and / or second relief structures are molded, may be coated or printed with one or more color layers, in particular translucent or transparent color layers. These color layers are preferably applied or shaped in a pattern. They point
- the one or more layers in which the first and / or second microstructures are molded, each with one or more colors and / or depending on the viewing angle changing layers are coated or printed, for example, with cholesteric liquid crystal layers and / or layers contained
- Color change pigments are coated.
- the color change generating layers may consist of an interference layer system.
- this interference layer system may be a three-layer system consisting of a semi-transparent absorber layer, a dielectric spacer layer and a semi-transparent or opaque mirror layer.
- the abovementioned coatings can be combined with one another in any desired form; for example, on one or more of the first and / or second relief structures, one or both sides can be followed by a plurality of the above-mentioned coatings, and these in particular also be patterned in each case. This makes it possible to achieve interesting optical effects, in particular color effects, which the
- Fig. 15 schematic Darste ung the optical effect of a
- FIG. 16 a schematic representation of a security element with several webs.
- Fig. 16b schematic Darste ung a security element with multiple tracks
- Fig. 16c schematic Darste ung a security element with multiple tracks
- FIG. 16d schematic representation of a security element with a plurality of webs.
- FIG. 17 a schematic representation of a security element with a plurality of webs.
- Fig. 17b schematic Darste ung a security element with multiple tracks
- Fig. 17c schematic Darste ung a security element with multiple tracks
- Fig. 17d schematic Darste ung a security element with multiple tracks
- Fig. 17e schematic Darste ung a security element with multiple tracks
- FIGS. 1 a to 1 e illustrate by way of example the structure of a security document 5 with a security element 1.
- FIGS. 1 a to 1 d show the security element 1 in plan view and FIG. 1 e in FIG.
- the security document 5 preferably consists of an ID document, for example a passport, a passport card, a visa or an access card. However, this may also be another security document 5, for example, a banknote, a security or a credit card or bank card act.
- the security document 5 has a document body 51 and one or more security elements, of which the security element 1 is shown in FIGS. 1 a to 1 e.
- the security elements can in this case on the document body 51 of the
- Security document 5 may be applied, or embedded in the document body 51 of the security document 5, in particular be fully or partially embedded.
- the document body 51 of the security document is preferably multi-layered and in particular comprises a carrier substrate, which is formed by a paper substrate and / or plastic substrate.
- Document body 51 still one or more protective layers, one or more decorative layers and / or one or more security features include. Furthermore, the document body 51 may have further layers, for example one or more release layers, adhesive layers, release layers,
- Document body 51 in this case also an electronic circuit, in particular an RFID chip, in which information is stored.
- the document body 51 may have a window area, wherein the
- Window area may be formed as an opening of the document body 51 and / or as a transparent region of the document body 51.
- the security element 1 can be arranged overlapping with the window area and can thus be visible from both sides of the security document 5.
- the security element 1 is used in particular by the transfer layer of a transfer film, by a laminating film and / or by a film element, especially in the form of a security patch or in the form of a security strip or in the form of a security thread.
- Security element 1 can here cover a surface of the security document 5 over its entire area and / or only partially cover it, for example in FIG.
- Strip or patch shape may be formed, as with respect to the
- the security element 1 preferably has a protective layer 54, a decorative layer 52 and an adhesive or adhesion-promoting layer 53.
- Transfer film formed which comprises a protective layer 54, a decorative layer 52 and an adhesive layer 53 and is applied to the front of the document body 51 as shown in Fig. 1 e.
- the decorative layers 52 of the security element 1 forms one or more
- Security features which are preferably visually visible to the human observer.
- the decorative layers 52 have one or more of the following layers:
- the decorative layer 52 has one or more layers which each have one or more first and / or second microstructures.
- the one or more first and second microstructures can in this case in the respective layer by holographic exposure in a
- Volume hologram be transferred. But they can also be formed as a relief structure which is molded into a surface of the respective layer. These layers are thus preferably a layer of a photopolymer in which regions with different refractive indices for
- Generating a volume hologram are provided, or to a lacquer layer or plastic film into which the surface relief of the microstructure is molded by a replication method.
- the microstructures are preferably diffractive structures, such as rectangular diffraction gratings, sinusoidal diffraction gratings or zero-order diffraction structures.
- the microstructures may also be isotropic and / or anisotropic matt structures, triangular blazed gratings and / or structures that act essentially in reflection, such as microlenses,
- Micro prisms or micromirrors act.
- the one or more first microstructures are preferably provided in one or more at least partially curved tracks, of which a plurality of tracks 2 a to 2 e are shown in FIGS. 1 a to 1 d. Furthermore, it is also possible for one or more of the first microstructures to be arranged in one or more sections of a web which are curved at least in sections, for example sections of the webs shown in FIGS. 1 a to 1 d
- Microstructures each extend along one or more at least partially curved paths or along one or more at least
- the decorative layer 52 preferably has one or more metallic layers, which are preferably not in the entire area, but only partially in the
- the metallic layers may be opaque, translucent or transmissive.
- the metallic layers are preferably formed by different metals, which have a significantly different reflection and / or transmission spectrum.
- the metal layers are formed of aluminum, copper, chromium, gold, silver or an alloy of these metals.
- the one or more metal layers are here preferably structured in pattern form, preferably in the form of alphanumeric characters and / or as graphics and / or as complex representations of objects.
- the decorative layer 52 may further comprise one or more color layers, preferably transparent or translucent color layers. These color layers are preferably color layers which are applied by means of a printing process and which comprise one or more dyes and / or pigments which are incorporated in a binder matrix.
- the decorative layer 52 further preferably has one or more interference layers which reflect or break the incident light in a wavelength-selective manner.
- These layers may be formed, for example, by thin-film elements which generate a viewing-angle-dependent color-shifting effect, based on an arrangement of layers having an optical thickness in the range of one-half or one-quarter wavelength of the incident light.
- These layers typically include a dielectric
- Spacer layer in particular arranged between a semi-transparent absorber layer and a semi-transparent or opaque mirror or
- Reflective layer or may preferably comprise of a layer
- Thin film layer pigments may be formed.
- the decorative layer 52 may further preferably one or more
- FIG. 1 a shows a section of the security element 1 comprising the mutually offset curved tracks 2 a, 2 b , 2 c, 2 d , 2 e , wherein the tracks have the radii R a , R b , R c , R d , R e .
- the centers 4a, 4b, 4c, 4d, 4e of the tracks are in the geometric centers of the tracks 2a, 2b, 2c, 2d, 2e and are respectively with the radii R a , Rt > , R c , R d , R e of all points on the circular tracks 2a, 2b, 2c, 2d, 2e spaced so that the curvature of the webs 2a, 2b, 2c, 2d, 2e, respectively, is 1 / R a , 1 / Rt > , 1 / R C , 1 / Rd, 1 / R e .
- the plane in which the tracks lie, or have a spatial extent, is spanned by a two-dimensional coordinate system, which is described by the basis vectors x and y, wherein the vectors x and y are preferably perpendicular to each other, as shown in Fig. 1 a.
- a two-dimensional coordinate system which is described by the basis vectors x and y, wherein the vectors x and y are preferably perpendicular to each other, as shown in Fig. 1 a.
- Dimensions and / or coordinate systems are selected on at least one curved path.
- the webs 2a to 2e may be further preferably continuous and / or differentiable and / or integrable curves, the webs 2a to 2e not necessarily one-dimensional curves, but preferably also two-dimensional curves, such as a portion of a
- the webs 2 a to 2 e can also be formed as closed webs and / or from at least one subregion of a closed web.
- at least 50%, preferably 70%, particularly preferably 90% of all webs may in particular each form at least one fifth, preferably at least one quarter, more preferably at least one third, most preferably at least half of a closed web.
- at least 50%, preferably 70%, particularly preferably 90% of all In particular, in each case at least one quarter circle, preferably at least a third circle, more preferably form a semicircle.
- the webs 2a, 2b, 2c, 2d, 2e in the figure 1 a to 1 d are in the embodiment shown there as a two-dimensional circular curved curves
- the curvature of a web is between 0.02 mm “1 and 2 mm “ 1 , preferably between 0.01 mm “1 and 1 mm “ 1 .
- at least one web, in particular at least one circular web can have the same curvature everywhere.
- the curvature course of all webs 2 a to 2 e, in particular of all circular paths or circular webs may be the same, as shown in FIGS. 1 a to 1 d.
- the curvature course of the webs 2a to 2e may be different from each other.
- the first microstructures provided in the tracks 2a to 2e provide a first optically variable information.
- the exemplary embodiment according to FIGS. 1 a to 1 d is a movement effect.
- the first optically variable information in this case has one or more picture elements, each of which consists of several pixels
- the first microstructures provided in the tracks 2 a to 2 e generate a picture element 3, which is formed in particular by an arrangement of picture elements 3 a, 3 b, 3 c, 3 d, 3 e.
- the security element 1 provides one or more picture elements 3 to an observer, at least one picture element 3
- the pixels 3a, 3b, 3c, 3d, 3e are respectively generated by the first microstructures of the tracks 2a, 2b, 2c, 2d and 2e.
- the pixels 3a, 3b, 3c, 3d, 3e move during tilting and / or bending and / or during rotation of the security element 1 along the respectively associated path, when illuminated with at least one light source, preferably with a point light source.
- the pixels 3a to 3e of the picture element 3 can be a punctiform
- Fig. 1 a to 1 d have in particular circular-shaped shape, as shown in Fig. 1 a to 1 d. However, it is also possible that they have a different shape, for example an elliptical shape.
- the picture element 3 in FIG. 1a is detectable by an observer
- the webs 2a, 2b, 2c, 2d, 2e are irradiated by a light source, wherein the webs are configured such that only one pixel per track is visible to the observer.
- the pixels 3 a, 3 b, 3 c, 3 d, 3 e that are visible in this way provide the picture element 3 by the arrangement on the tracks and the constant distances to one another.
- the picture element 3 can move along the tracks 2a, 2b, 2c, 2d, 2e when viewed by an observer, if the security element 1 comprising the tracks faces the observer and / or the observer
- Radiation source tilted and / or bent and / or rotated and / or tilted.
- the picture element 3 moves depending on the direction of
- Security elements 1 relative to the observer in each one of the two possible per path directions of movement, in particular degrees of freedom of movement, along the tracks.
- the picture element 3 moves as an arrangement of the five pixels 3a to 3e shown in FIG. 1a along the five tracks 2a, 2b, 2c, 2d, 2e that the arrangement of the pixels 3a, 3b shown in FIG , 3c, 3d, 3e to each other in tilting and / or bending and / or rotation of the security element 1 is retained and / or the orientation with respect to the coordinate system shown in Figures 1 a to 1 d, spanned by the vectors x and y, does not change.
- tilting the security element 1 is meant a tilting of the security element 1 about an axis which lies in the plane spanned by the vectors x and y.
- the image element 3 can in particular advantageously orient the pixel 3 relative to an axis along and / or parallel to the vectors x and / or y in FIG Changing the coordinate system shown in Fig. 1d, preferably changing continuously, so that a continuous or discontinuous movement effect for the observer is provided. Further preferably, during a rotation and / or bending and / or tilting of the security element 1, the pixel 3 can orient the pixel 3 parallel to and / or along the vectors x and / or y of the axis shown in FIGS. 1a to 1d Keep coordinate system constant.
- the alignment of the picture element 3 with respect to the coordinate system identified by the vectors x and y is constant over the course of the movement, in particular at each of the positions 30, 31, 32, 33.
- FIGS. 1 a to 1 d show, in an arbitrary sequence, a movement effect of the picture element 3 comprising the five pixels 3a, 3b, 3c, 3d, 3e, the center 30 of the picture element 3 being at the position of the pixel 3c in FIG a to the position 31 in FIG. 1 b, on the position 32 in the Fig. 1 c and finally moved to the position 33 in Fig. 1 d.
- the direction of movement of the pixel 3 may preferably be arbitrarily chosen to provide various motion effects.
- FIG. 2a shows a section of the security element 1 comprising a
- the curved track 2 may in particular be one of the tracks 2a to 2e according to FIGS. 1a to 1e.
- Figure 2a shows a pixel 3a, wherein the pixel 3a is preferably located on the web and can preferably move along the path, so that for a viewer a motion effect, in particular a continuous motion effect is generated.
- FIG. 2 a shows a section A - A 'which runs in particular radially to the center of a closed, preferably circular and / or elliptical path, wherein the section extends in the radial direction through the path.
- Next is a two-dimensional
- the web 2 may preferably have a width B between 2 ⁇ and 300 ⁇ , in particular between 5 ⁇ and 150 ⁇ , more preferably between 10 ⁇ and 100 ⁇ .
- the area of the web depends on the sheet length of the web and the width of the web.
- the width of the web may be constant or vary along the path.
- the width of the web does not change with the course of the web, in particular the course of an azimuth angle ⁇ with respect to the coordinate system with the basis vectors x and y.
- An inner contour 20a corresponds to an inner edge of the web 2 and / or a portion of a web, preferably with an inner radius R ,.
- the outer contour 20b of the web 2 and / or the portion of a sheet corresponds to an outer edge of the web, which preferably has an outer radius R a.
- the inner contour is located on the side of the web which points in the direction of the center M of a circle defined by the radius of curvature vector while the outer contour 20b of the web is located on the side 20a of the web passing from the radius of curvature vector ,
- a vertical S is drawn, which is perpendicular to a tangential vector T, which conforms to the outer edge of the web.
- the direction of the tangential vector T is aligned perpendicular to the radius vector R in the present embodiment.
- the radius of curvature vector in particular a local radius of curvature vector, may refer to any point and / or location within the area defined by a web 2, the magnitude and angle of the radius of curvature vector being dependent on the position on the surface defined by a web 2 / or the azimuth angle ⁇ can be.
- the radius of curvature vector can in particular also on an inner
- the curvature of an inner contour at a specific azimuth angle ⁇ of the web 2 and / or of the subregion of a web is preferably always greater than the curvature of an outer contour at this azimuth angle a.
- the distance between a certain point and / or a certain point at a certain azimuth angle ⁇ on an outer contour and the like point and / or the same point at the determined azimuth angle ⁇ on an inner contour preferably corresponds to the width of the web 2, in particular the width of the web 2 dependent on the position and / or the point at the specific azimuth angle ⁇ .
- the surface of the web 2 and / or a portion of the web can be covered with at least one first microstructure 10.
- the first microstructure 10 can also follow the inner and / or the outer contour of the web 2 and / or of a partial region of the web.
- FIGS. 2 b, 2 c and 2 d each show an exemplary embodiment of at least one first microstructure 10, which may be provided, for example, on the web 2 shown in FIG. 2 a and / or the subregion of a web shown in FIG. 2 a.
- Figures 2b, 2c and 2d show a section of the first
- Microstructures along the section line A-A 'shown in Figure 2a are Microstructures along the section line A-A 'shown in Figure 2a.
- FIG. 2b shows a grid 10a with a sinusoidal profile as an embodiment of the first microstructure 10.
- the grid 10a has a multiplicity of successive structural elements, which are preferably periodically spaced from one another.
- the individual structural elements in this case preferably have a much greater longitudinal than transverse extent. They thus preferably have a linear shape and are in particular formed as grid lines, which have a sinusoidal cross-section. The course of these grid lines defines the orientation of the longitudinal direction of the microstructure elements of the grid 10a.
- the grid lines may be one instead of the sinusoidal one
- FIG. 2c shows an embodiment of the first microstructures 10 as a blazed grating 10d.
- the first microstructure may in particular also be designed as a sawtooth-shaped grid and / or triangular grid.
- the blaze grating 10d likewise preferably consists of a sequence of microstructure elements which each have a triangular cross-section. Preferably, in this case, the inclination of the two flanks of the differs
- Microstructure elements to the plane spanned by the vectors x and y, so that the microstructure elements have an asymmetric profile.
- microstructure elements likewise have a greater, in particular far greater, longitudinal extent than transverse extent, so that the
- Microstructure elements also form linear microstructure elements, here with a triangular cross-section.
- the course of the longitudinal extension of the microstructure elements defines the longitudinal direction of the microstructure elements.
- the first microstructures 10, in particular FIGS. 2b and 2c have a period or grating period ⁇ between 0.2 ⁇ and 50 ⁇ , preferably between 0.3 ⁇ and 20 ⁇ , more preferably between 2 ⁇ and 20 ⁇ , and particularly preferably between 3 ⁇ and 10 ⁇ , on and / or a grating depth between 50 nm and 15000 nm, preferably between 50 nm and 5000 nm, preferably between 100 nm and 3000 nm, on.
- FIG. 2 d shows a first microstructure 10, which is formed as an anisotropically matt-scattering structure and / or anisotropic matt structure 10 e.
- the anisotropic matt structures 10e in this case have a greater scattering power and / or a larger scattering angle for the incident light when viewed along a preferred direction in comparison to a direction transverse and / or perpendicular to the
- the average spacing of the microstructure elements of the matt structure 10e is preferably in a range between 0.5 ⁇ and 10 ⁇ , particularly preferably between 0.8 ⁇ and 5 ⁇ . Particularly preferred are at least three, preferably at least five
- the at least one first microstructure 10 can also consist of an arrangement of a multiplicity of micromirrors, which are inclined relative to the plane spanned by the vectors x and y according to the respective angles of inclination.
- one or more of the first microstructure elements of the first microstructure 10 each have at least one first and second, respectively
- the first microstructure 10 may be formed in a further embodiment as a lens structure, grid 10a, matt structure 10e or blaze grating 10d and a
- the grid 10a preferably has a sinusoidal, rectangular, sawtooth-shaped and / or triangular profile.
- FIG. 3 shows a security element 1 comprising a plurality of curved, non-closed webs 2 and / or subregions of webs, wherein webs and / or subregions intersect in intersecting regions 11 and / or
- FIG. 4 shows a section of a security element 1 comprising three curved tracks 2a, 2b, 2c, the tracks 2b and 2c intersecting in particular in a section region 11. Furthermore, FIG. 4 shows first microstructures 100a, 100b, 100c arranged along the respective webs 2a, 2b, 2c. Preferably, the alignment of the first microstructures 100a, 100b, 100c and / or at least one structural parameter of the first microstructures 100a, 100b, 100c changes, in particular the spacing of the microstructure elements, the relief depth, the orientation of the longitudinal direction of the microstructure elements, the preferred direction, the mean distance the microstructure elements and / or the inclination angle of the micromirrors, continuously and / or steadily along the respective path.
- FIG. 4 shows the continuous change in the orientation of the longitudinal extent or the orientation of the longitudinal direction of the longitudinal direction
- the longitudinal extent of the grating structures 100a, 100b, 100c at each location of the respective webs 2a, 2b, 2c is aligned parallel to the tangential direction of the corresponding location of the respective webs 2a, 2b, 2c.
- the lattice structures point in this section of the
- Security element 1 across the webs a width of preferably seven grating periods.
- Webs 2a, 2b, 2c a contour, in particular the inner contour, preferably the outer contour, the tracks 2a, 2b, 2c follow. More preferably, the
- orientation and / or longitudinal extent of the one or more first microstructures 100a, 100b, 100c can be aligned predominantly perpendicular, in particular perpendicular to the radius of curvature of the radius.
- the orientation, in particular the preferred direction, of the first microstructures 100a, 100b, 100c at most points, preferably at least 50% of the points, particularly preferably at 70% of the points, in particular preferably at 85% of the points, ideally for all points of the tracks 2a, 2b and / or 2c, in particular in one or more elliptical and / or circular tracks, equal to a perpendicular on the tracks 2a, 2b, 2c, in particular perpendicular to one or multiple tangential vectors of the tracks 2a, 2b, 2c.
- the webs 2 a, 2 b and 2 c can intersect in a cutting region 1 1.
- Section 1 1 corresponds geometrically to the surface in which the curved tracks 2b and 2c overlap and / or intersect, wherein in the
- FIG. 5 shows a security element 1 comprising three curved tracks 2a, 2b and 2c with first microstructures 100a, 100b and 100c, wherein the track 2b and the track 2c intersect, in particular in a cutting region 124.
- the web 2b has interruptions 122 and 124.
- Interrupt 122 the first microstructure 100b is not provided and in the cut region 124 there is an interruption of the microstructure 100b. Further, the web 2c interruptions 121 and 123, in which the first
- Microstructures 100c of the web 2c are not provided.
- one of the interruptions 121, 122, 123 and 124 may in each case in each case correspond geometrically to the surface in which the respective webs 2a, 2b and / or 2c have no first microstructures 100a, 100b or 100c.
- Interrupts 121, 122, 123 and / or 124 of the respective lanes 2a, 2b and 2c, respectively, may be random and pseudorandom distributed.
- the interruptions 121 to 124 may be randomly and / or pseudo-randomly distributed in parallel and / or perpendicular to a corresponding tangent vector.
- the embodiment shown in FIG. 5 has a number of
- Interruptions 121, 122, 123 which are located outside of the intersection 124 of the web 2b and the web 2c.
- the interruptions 121, 122 and / or 123 arranged outside the cut regions 124 each make between 0.1% and 30%, preferably between 1% and 10% of the surface and / or the length of the webs 2a, 2b and / or 2c out.
- Such interruptions create a scattering effect in addition to the optical effect of the microstructures, resulting overall in a more achromatic appearance.
- FIG. 6 shows an exemplary embodiment of the security element 1, which has three curved paths 2a, 2b and 2c with first microstructures 100a, 100b
- the web 2c having two offsets 131, 132.
- the offset 131 is parallel to the cut edges 131 a, 131 b and the
- Section 21 a of the web is by the length of the offset 131 with respect to
- Displacement 132 parallel to the cutting edges 132a, 132b and the portion 22a of the web is the length of the viewing direction of FIG. 6
- Offset 132 shifted to the left.
- the displacement directions of the displacements 131, 132 are in particular arranged perpendicular to one another.
- the area of a shifted by the offsets 131, 132 portion 21 a, 22 a is dependent on the width and / or the course of the width over the course of the portions 21 a and 22 a and / or the arc length of
- Subareas 21a and 22a respectively.
- the subregions 21a and 22a in this case have the width and / or the course of the width of the original, uncut web 2c, from which the subregions 21a and 22a have been removed or from which the subregions 21a and 22a have been displaced.
- Microstructures 100a, 100b, 100c can be random and / or pseudo-distributed, in particular arranged, and / or distributed randomly and / or pseudo-randomly parallel and / or perpendicular to a corresponding tangential vector and / or arranged.
- one or more offsets 131, 132 may be less than one or more widths of the webs 2a, 2b, and / or 2c, and / or the first
- Microstructures 100a, 100b and 100c make up.
- the offsets are shifted between 1 ⁇ and 100 ⁇ , in particular between 3 ⁇ and 50 ⁇ . Similar to the interruptions of Figure 5 also generate the
- FIG. 7 shows a security element 1 comprising three curved tracks 2a, 2b, 2c with first microstructures 100a, 100b, 100c, wherein the tracks 2b, 2c a
- Mosaic surface 14 have.
- the mosaic surface 14 is in a variety of
- Sub-mosaic areas 141, 142, 143, 144 which contain first microstructures 100b, 100c of the tracks 2b, 2c, wherein the first microstructure of at least one partial mosaic area differs from the remaining first microstructures in the partial mosaic areas.
- a mosaic-shaped arrangement, in particular a screening, of the first microstructures 100b, 100c is present. This has the effect that the interruption of the two tracks is less apparent to the viewer.
- FIG. 8 shows a security element 1 comprising three curved tracks 2a, 2b, 2c with first microstructures 100a, 100b, 100c, wherein the tracks 2b, 2c have, in a section area 11, a mosaic area 14 which is divided into a multiplicity of sub-mosaic surfaces 141, 142, 143, 144 containing first microstructures 100b, 100c is divided. Furthermore, FIG. 8 shows in the surface regions 15, in particular in the vicinity of the mosaic surface 14, an arrangement of partial mosaic surfaces 141a, 142a, 143a, 144a, these partial mosaic surfaces 141a, 142a, 143a, 144a having first microstructures 100b, 100c.
- At least one first microstructure 100b or 100c of a partial mosaic surface 141, 142, 143, 144, 141a, 142a, 143a, 144a may differ from the first microstructures of the remaining partial mosaic surfaces.
- the surface regions 15 and thus also preferably the partial mosaic surfaces 141a, 142a, 143a, 144a are less than 150 ⁇ m, preferably less than 50 ⁇ m, remote from the mosaic surface 14.
- These sub-mosaic surfaces have the effect that the continuous motion effects of the tracks 2b and 2c appear uninterrupted to the unaided human eye.
- FIG. 9a shows a security element 1 comprising a picture element 3, wherein the picture element 3 is composed of the numbers "4" and "2" and the number "4" is arranged above the number "2" from the viewing direction of FIG.
- FIG. 9b shows a security element 1 comprising a picture element 3 ', the picture element 3' being composed of a number 4 rotated by 180 degrees and a number 2 rotated by 180 degrees, and the number "2" rotated by 180 degrees from the viewing direction 9b is arranged above the rotated by 180 degrees number "4".
- Image element 3 transformed by a movement effect in the picture element 3 ' are arranged such that the webs and / or first microstructures a
- Transformation in particular a morphing, preferably a flip of the Picture element 3 to the picture element 3 'allows.
- the change detectable by an observer or the transformation of the picture element 3 shown in FIG. 9a into the picture element 3 'shown in FIG. 9b is achieved by a tilting and / or bending and / or twisting of the security element 1 relative to a light source and / or provided to an observer.
- Fig. 10a shows schematically a security element 1 comprising a
- Picture element 3 wherein the picture element 3 is designed as the number "5.”
- Three exemplary picture elements 3a, 3b, 3c of the picture element 3 can be tilted and / or bent and / or rotated on the curved tracks 2a, 2b, 2 c or web portions in both directions of the webs 2 a, 2 b, 2 c move to the positions 30, 31, 32.
- a viewer detects a tilting and / or bending and / or rotation of the security element 1 a continuous movement effect, wherein the picture element 3 in particular continuously between the positions 30, 31, 32 in a certain direction R1 along the tracks 2a, 2b, 2c can move and a change in the
- FIG. 10 b shows an inverted image of the optical effect of a
- Security element 1 under lighting comprising two as the number "5"
- Blaze structures in particular linear blaze grids, are preferably arranged along the circular paths or circular paths shown by sequences of individual pixels, which connect the picture elements 3, 3 '.
- the grating period of the blazed gratings 6 is ⁇ and the grating depth the blaze grating is 2 ⁇ .
- the longitudinal extent of the linear blaze grating is arranged in this embodiment at any point of the tracks perpendicular to the radius vectors at the corresponding points of the tracks.
- the optical effect with a tilting and / or bending and / or rotation of the security element shown in FIG. 10b consists in the movement of the picture elements 3 and 3 'formed as the numbers "5", wherein an observer by the virtual movement of the picture elements below or above the
- Security elements can gain a three-dimensional impression.
- FIGS. 11a, 11b and 11c schematically show a security element 1 comprising four pixels 3a, 3b, 3c, 3d, which together form a pyramid-shaped picture element 3.
- the four punk-shaped elements 3a, 3b, 3c, 3d are each located on one of the curved tracks 2a, 2b, 2c, 2d and form the four
- Corner points of a pyramid of four triangular surfaces wherein the pixels provide a movement effect upon tilting and / or bending and / or rotation of the security element 1, so that the pixels 3a, 3b, 3c, 3d on their respective tracks 2a, 2b, 2c, 2d depending on the tilting direction and / or bending direction and / or direction of rotation before and / or can move back.
- the curved tracks 2a, 2b, 2c, 2d shown in FIGS. 11a, 11b and 11c have mutually different radii of curvature, the track 2a having a smaller curvature than the tracks 2b, 2c, 2d.
- FIGS. 11a, 11b and 11c show the four pixels 3a, 3b, 3c, 3d respectively in different positions 30, 31, 32 in the course of a movement on the corresponding tracks 2a, 2b, 2c, 2d, wherein the pixel 3a due to the smaller curvature of the web 2a with respect to the curvatures of the webs 2b, 2c, 2d between the figures 11a, 11b and 11c covers a greater distance on the web 2a than the pixels 3b, 3c, 3d, so that a detectable for an observer three-dimensional movement effect of the pyramid is provided.
- three-dimensional effect or 3D effect is generated by the formation of the pixel 3 as a two-dimensional projection of a three-dimensional pyramid, wherein the positions of the three pixels 3b, 3c, 3d of the pyramid change only slightly during movement due to the corresponding strong curvatures of the tracks 2b, 2c, 2d, while the pixel 3a at the top of the pyramid travels a long distance over the slightly curved track 2a travels.
- the pyramid is deformed from an observer's point of view in such a way that the brain of the observer interprets this deformation of the pyramid as the deformation of a three-dimensional object in three-dimensional space.
- the movement effect of the pixels 3a, 3b, 3c, 3d can be provided by tilting and / or bending and / or rotation of the security element 1 with respect to at least one light source and / or with respect to the viewer.
- Figures 12a and 12b show the inverted optical effect of one in the
- Figure 1 1 a shown security element 1 comprising two of a plurality of arranged on tracks pixels 3a, 3b composite picture elements 3, 3 ', wherein the picture elements in comparison to each other have the same pyramidal shape.
- the pixels 3a of the picture elements 3 are so different from each other
- the pixels 3b of the picture element 3 ' have such a high density that the distances of the individual points from each other can no longer be resolved with a human eye, so that the pyramid-like picture element 3' is light
- FIGS. 13a and 13b show, by way of example, a security element 1, in which second optical information is further generated by one or more second microstructures.
- FIG. 13a shows a security element 1, in which in particular the arrangement of webs 2a, 2b and 2c shown in FIG.
- Microstructure elements 100a, 100b and 100c in addition to a surface area with a second microstructure 20, is provided.
- the first microstructure elements 100a, 100b and / or 100c do not overlap with the second
- Microstructure elements 200 a of the microstructures 20 are Microstructure elements 200 a of the microstructures 20.
- FIG. 13b shows an arrangement of first and second microstructures in which one or more of the webs generating the first optical variable effect, here the webs 2a, 2b, cut the area of the second microstructure 20.
- the surface area of the second microstructure 20 and of the webs 2a, 2b can also be scanned into one another.
- the microstructure 20 and the webs 2 a, 2 b, 2 c are each decomposed into a plurality of strip-shaped subregions in at least one specific direction.
- These strip-shaped subregions are each arranged in such a way relative to one another that a strip-shaped subregion comprises the microstructure 20 or a part of the microstructure 20 on both cut sides, each with a strip-shaped
- Partial area comprising one or more of the tracks 2a, 2b, 2c or parts of the tracks 2a, 2b, 2c adjacent and vice versa, so that the strip-shaped portions comprising the microstructures and the strip-shaped portions comprising the webs spatially in a direction perpendicular to the
- the strip width is in this case preferably less than 300 ⁇ .
- the second microstructures 20 preferably generate optically variable information.
- the second microstructures 20 preferably each comprise a multiplicity of second microstructure elements 200a, 200b, the second ones being the second microstructure elements 200a, 200b
- Microstructure elements 200a, 200b are preferably characterized by the parameters spacing of the second microstructure elements, relief depth, relief shape and orientation of the longitudinal direction of the second microstructure elements.
- the second microstructure elements 200a and / or 200b are in this case preferably in the form of linear structure elements, in particular with a triangular profile, which are arranged as illustrated in FIG. 13b and provide a three-dimensional relief image, in particular a relief image appearing three-dimensionally achromatically, as the second optical effect.
- the second microstructures 20 can also have a multiplicity of second facet surfaces, which upon reflection and / or diffraction of light form a relief image as a function of the course and / or inclination angle profile of the light source
- the second microstructures may each also be formed as a lattice, in particular a sine and / or triangular lattice, an anisotropically scattering structure, a matte structure, a blaze lattice and / or a surface relief hologram.
- the first and / or second microstructures can also be combined with a
- the first and second microstructures can also by means of
- FIGS. 14a to 14e show the structure of a security document with a security element 1.
- FIGS. 14a to 14d show a security element 1 in plan view and
- FIG. 14e shows photographs of a pattern of a security element 1
- Pixels 3f, 3g, 3h, 3i, 3j shown as the pixel in Figure 1 a.
- the centers or centers 4f, 4g, 4h, 4i, 4j of the circular paths or circular paths 2f, 2g, 2h, 2i, 2j are random or pseudo-random
- the arrangement of the centers or centers 4f, 4g, 4h, 4i, 4j also does not show the picture element consisting of the five points or the five pixels 3f, 3g, 3h, 3i, 3j, in particular arranged according to the positions of the five points or of the five pixels 3f, 3g, 3h, 3i, 3j.
- the microstructures in the tracks 2f, 2g, 2h, 2i, 2j are preferably selected and arranged such that at a predetermined illumination and / or viewing angle the desired picture element, in particular comprising the picture elements 3f, 3g, 3h, 3i, 3j, for a viewer appears.
- FIGS. 14b to 14d show diagrammatically the divergence of the five pixels 3f, 3g, 3h, 3i, 3j in this example.
- FIGS. 14e (a) to (d) show photographs of an exemplary design of a
- Security element 1 which is composed of circular paths or circular paths with pseudo-randomly arranged centers or centers of the circular paths or circular paths, wherein two circular paths or circular Lanes of the circular paths or circular paths are each provided with the reference numerals 2i and 2j. In the central viewing position, shown in particular in FIG. 14e (a), this is composed of pixels
- FIG. 15 shows two images of the optical effect of a
- Security element 1 comprises two pixels 3 IV and 3 V as the number "5" and the letter "K" designed pixels under a lighting.
- the two picture elements 3 IV and 3 V are preferably already provided by a single light source.
- circular paths or circular paths for the two picture elements 3 IV and 3 V are preferably calculated and then superimposed.
- a calculation software allocates approximately the same number of intersections of the circular paths or circular paths to the two picture elements 3 IV and 3 V. This ensures that both pixels 3 IV and 3 V appear in particular approximately similar bright.
- the microstructures are preferably asymmetric, in particular blaze-like structures, such as blaze grating or micromirrors. These microstructures are now arranged and aligned in the circular paths or circular paths of the two picture elements 3 IV and 3 V such that the two
- Image elements 3 IV and 3 V preferably do not light up at the same position of the circular paths or circular paths. Preferably, they appear exactly opposite one another on the circular paths or circular tracks.
- microstructures are arranged such that the two
- Pixels "5" and "K" on the circular path or circular path preferably exchange.
- the grating period of the blaze grating is 6 ⁇ and the grating depth of the blaze grating 2 ⁇ . If symmetrical gratings, such as sinusoidal gratings, were used instead of blazed gratings, then both image elements would appear in particular simultaneously and thus in particular superimposed on both positions. By checking the place exchange or
- Change of position of the two picture elements when tilted and / or rotated is preferably a simple, indirect proof of the presence blaze-like
- FIG. 15 (a) shows the security element 1 comprising the picture elements 3 IV and 3 V , wherein the picture element 3 IV is configured as the number "5" and is thus detectable by a viewer, and the picture element 3 V as the one Letter “K” is configured and is thus detectable to a viewer.
- FIG. 15 (b) shows the security element 1 comprising the picture elements 3 VI and 3 V "after a tilting of the security element 1 shown in FIG. 15 (a) to the right, wherein the picture element 3 VI is designed as the number" K "and can be detected by a viewer and the picture element 3 V "is configured as the letter” K “and can thus be detected by a viewer.
- the picture element 3 IV (number "5") is replaced at its position when tilting the security element 1 to the right by the picture element 3 VI (letter “K”) and the picture element 3 V
- FIGS. 16a to 16d show the structure of a security document comprising a security element 1.
- the centers or centers 4k in particular of at least 75%, preferably of at least 90%, particularly preferably of all, circular paths or circular paths 2k, 21, 2m, 2n, 2o, 2p are identical, or nearly identical.
- the centers or centers 4k in particular most, preferably of all, circular paths or circular paths 2k, 21, 2m, 2n, 2o, 2p a maximum distance from each other, in particular not more than 10th % of the radius Rk, preferably not more than 5% of the radius Rk, the largest circular path or
- the radius Rk, Rl, Rm, Rn, Ro, or Rp of the respective circular path or circular path 2k, 21, 2m, 2n, 2o, or 2p results in particular from the respective position of the associated
- microstructures in the tracks 2k, 21, 2m, 2n, 2o, 2p are preferably selected and arranged in such a way that, given a desired lighting and viewing situation, the microstructures 3k, 31, 3m, 3n, 3o, 3p of the pixel 3 VI
- Pixel 3 VI is displayed.
- the picture element 3 VI rotates" preferably 2p around the center or the center of 4k of the circular paths or circular orbits 2k, 21, 2m, 2n, 2o, along the tracks 2k , 21, 2m, 2n, 2o, 2p.
- the picture element may represent a bird, which flies in a circle when tilted or rotated. It is also possible to superimpose circular paths or circular paths for a second picture element in such a way that the microstructures are arranged and aligned in particular such that the two picture elements preferably do not light up at the same position.
- the first picture element may represent a dove and the second picture element an eagle. When tilting or turning, the eagle would preferably fly virtually behind the pigeon.
- FIGS. 17a to 17e show the construction of a security document comprising a security element 1.
- the centers or centers 4q are the centers or centers 4q of at least 75%, preferably at least 90%, particularly preferably of all, circular paths or circular paths 2q, 2r, 2s, 2t, 2u or circular path sections or sections of circular paths 2q, 2r, 2s, 2t, 2u identical or nearly identical.
- Center points 4q in particular most, preferably all, circular paths or
- the largest circular path or circular path 2q or the largest circular path section 2q have and / or that the centers or centers 4q, in particular most, preferably all, circular orbits
- Circular paths 2q, 2r, 2s, 2t, 2u or all circular path sections or sections of circular paths 2q, 2r, 2s, 2t, 2u a maximum distance from each other of not more than 3 mm, more preferably not more than 1 mm, more preferably not more than 0.5 mm.
- Path section 2q, 2r, 2s, 2t, and 2u results in particular from the respective position of the associated pixel 2q, 2r, 2s, 2t, and 2u of
- Picture element 3 IX The microstructures in the circular paths or circular tracks 2q, 2r, 2s, 2t or 2u or circular path sections or circular track sections 2q, 2r, 2s, 2t or 2u are preferably selected such and
- the pixel 3 IX preferably changes by vanishing and / or newly appearing and / or continuously existing pixels 3q, 3r, 3s, 3t, 3u such that an animation is to be detected by a viewer.
- the picture element may represent a bird, which flies in a circle when tilted or rotated, seemingly beating its wings.
- Figures 17b to 17e show an animation of dice points 3q, 3r, 3s, 3t, 3u, where the animation of five dice points 3q, 3r, 3s, 3t, 3u to two
- Dice points 3q, 3u “counts down", that is, the number of dice points decreases, in particular in the sequence of Figures 17b to 17e, each by one
- the first picture element may represent the animation of a flying bird and the second picture element may represent a non-changing picture element, eg a denomination sign.
- the combination of an animation and a static picture element is easy to communicate, increasing counterfeit security.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Credit Cards Or The Like (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Holo Graphy (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017106433.8A DE102017106433A1 (de) | 2017-03-24 | 2017-03-24 | Sicherheitselement und Verfahren zur Herstellung eines Sicherheitselements |
| PCT/EP2018/057465 WO2018172528A2 (de) | 2017-03-24 | 2018-03-23 | Sicherheitselement und verfahren zur herstellung eines sicherheitselements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3600903A2 true EP3600903A2 (de) | 2020-02-05 |
| EP3600903B1 EP3600903B1 (de) | 2024-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18712904.4A Active EP3600903B1 (de) | 2017-03-24 | 2018-03-23 | Sicherheitselement |
Country Status (7)
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|---|---|
| US (1) | US11345178B2 (de) |
| EP (1) | EP3600903B1 (de) |
| JP (2) | JP7102436B2 (de) |
| AR (1) | AR111388A1 (de) |
| DE (1) | DE102017106433A1 (de) |
| TW (1) | TWI749196B (de) |
| WO (1) | WO2018172528A2 (de) |
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| GB2576218B (en) * | 2018-08-10 | 2021-09-15 | De La Rue Int Ltd | Security devices and methods of authentication thereof |
| CN111352128B (zh) * | 2018-12-21 | 2023-03-24 | 上海微功智能科技有限公司 | 一种基于融合点云的多传感器融合感知方法与系统 |
| US20220388326A1 (en) * | 2019-09-30 | 2022-12-08 | Zhongchao Special Security Technology Co., Ltd | Optical anti-counterfeiting element and anti-counterfeiting product |
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| GB2545387A (en) | 2015-07-24 | 2017-06-21 | De La Rue Int Ltd | Security device and method of manufacturing thereof |
| WO2017015748A1 (en) | 2015-07-25 | 2017-02-02 | NanoMedia Solutions Inc. | Color image display devices comprising structural color pixels that are selectively activated and/or deactivated by material deposition |
| JP6516362B2 (ja) | 2015-08-05 | 2019-05-22 | 株式会社奥村組 | 運搬車両に対する運搬物の積載システムおよび積載方法 |
| JP6569097B2 (ja) | 2017-02-23 | 2019-09-04 | 独立行政法人 国立印刷局 | 立体表示形成体及びその作製方法 |
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2017
- 2017-03-24 DE DE102017106433.8A patent/DE102017106433A1/de active Pending
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2018
- 2018-03-23 JP JP2019552483A patent/JP7102436B2/ja active Active
- 2018-03-23 AR ARP180100708A patent/AR111388A1/es active IP Right Grant
- 2018-03-23 EP EP18712904.4A patent/EP3600903B1/de active Active
- 2018-03-23 WO PCT/EP2018/057465 patent/WO2018172528A2/de not_active Ceased
- 2018-03-23 US US16/496,775 patent/US11345178B2/en active Active
- 2018-03-23 TW TW107110106A patent/TWI749196B/zh active
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI749196B (zh) | 2021-12-11 |
| JP2020512589A (ja) | 2020-04-23 |
| WO2018172528A2 (de) | 2018-09-27 |
| JP2022141749A (ja) | 2022-09-29 |
| JP7102436B2 (ja) | 2022-07-19 |
| US20210107312A1 (en) | 2021-04-15 |
| US11345178B2 (en) | 2022-05-31 |
| DE102017106433A1 (de) | 2018-09-27 |
| WO2018172528A3 (de) | 2018-11-15 |
| EP3600903B1 (de) | 2024-11-20 |
| AR111388A1 (es) | 2019-07-10 |
| TW201902729A (zh) | 2019-01-16 |
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