EP2771194A1 - Élément de sécurité - Google Patents

Élément de sécurité

Info

Publication number
EP2771194A1
EP2771194A1 EP12791114.7A EP12791114A EP2771194A1 EP 2771194 A1 EP2771194 A1 EP 2771194A1 EP 12791114 A EP12791114 A EP 12791114A EP 2771194 A1 EP2771194 A1 EP 2771194A1
Authority
EP
European Patent Office
Prior art keywords
security element
layer
light
security
luminescent layer
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
Application number
EP12791114.7A
Other languages
German (de)
English (en)
Other versions
EP2771194B1 (fr
Inventor
Wayne Robert Tompkin
Harald Walter
Olga Kulikovska
Jörg Fischer
André LEOPOLD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OVD Kinegram AG
Bundesdruckerei GmbH
Original Assignee
OVD Kinegram AG
Bundesdruckerei GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by OVD Kinegram AG, Bundesdruckerei GmbH filed Critical OVD Kinegram AG
Publication of EP2771194A1 publication Critical patent/EP2771194A1/fr
Application granted granted Critical
Publication of EP2771194B1 publication Critical patent/EP2771194B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • 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
    • 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
    • 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
    • B42D25/342—Moiré effects
    • 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
    • B42D25/346—Perforations
    • 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
    • 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
    • B42D25/45—Associating two or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/382—Special inks absorbing or reflecting infrared light
    • 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
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a security element and one with such
  • DE 10 2008 033 716 B3 describes a value or security document with a document body, in which a Lichtleit Geneva is formed, which is designed for a light pipe via total reflection in their boundary layers.
  • the light pipe is in this case made possible in a plane which is substantially parallel to an upper side of the document body.
  • the invention is based on the object to provide a flexibleesteeiement, which shows optical effects that are easily recognizable for everyone and at the same time amazing or surprising and therefore easy to memorize.
  • the object is achieved by a safety element, wherein the safety element has a visible side and a rear side opposite thereto, the safety element having at least one luminescent layer, which can emit or provide light, and at least one mask layer, which projects from the visible side when the safety element is viewed the at least one luminescent layer is arranged comprises, wherein the
  • At least one mask layer at least one opaque region
  • the at least two transparent openings has a substantially higher degree of transmittance than the at least one opaque area with respect to light emitted by the at least one luminescent layer, preferably at least 20%, more preferably at least 50% % higher transmittance.
  • Security document in particular a banknote, a security or a paper document, with at least one such security element, wherein the security element can be viewed from its visible side.
  • the object is also achieved by a method for producing a
  • a security element comprising the steps of: providing a flexible multilayer film body having at least one luminescent layer which can emit or provide light, and at least one mask layer which is arranged in front of the at least one luminescent layer when the security element is viewed from the visible side; and forming at least two transparent openings in the at least one mask layer such that the at least one mask layer has at least one opaque area and at least two transparent openings, the at least two transparent openings having a significantly higher transmittance than the at least one opaque area with respect to the one at least one
  • Luminous emitted or provided light has, preferably a higher by at least 20%, more preferably at least 50% higher transmittance.
  • the object is further achieved by a transfer film having at least one security element according to one of claims 1 to 35, wherein the at least one security element is arranged on a carrier film of the transfer film and can be detached therefrom.
  • Luminescent layer or light providing luminescent layer e.g.
  • the light relevant to the desired effect preferably passes through the security element substantially in a direction perpendicular to the top of the security element. It is not
  • the mask layer allows light, which is provided or emitted by the luminescent layer, to pass significantly better through its transparent openings than through its opaque areas. It is advantageous if the at least one opaque region blocks or at least substantially attenuates light provided or emitted by the at least one luminous layer, preferably has a transmittance of at most 20%, more preferably at most 10% and even more preferably at most 5%, and the at least two transparent openings of the at least one
  • Luminous layer substantially let provided or emitted light preferably have a transmittance of at least 50%.
  • the opaque areas of the masking layer are completely opaque to light, i. with a transmittance of at most 5%, while the transparent openings allow light to pass through almost unattenuated, i. with a transmittance of at least 70%.
  • the openings are window openings in the mask layer, i. when
  • the security element is preferably a
  • Counterfeit security of a security document in particular a banknote, a security, a check, a tax stamp, a
  • Postage stamp a visa, a motor vehicle document, a ticket or a paper document, or identification documents (ID documents), in particular a passport or an ID card, an identity card, a driving license, a bank card, a credit card, a
  • Access control card a health insurance card or a commercial product to increase the security against counterfeiting and / or for the authentication and / or traceability (track and trace) of the commercial product or any smart cards and self-adhesive labels.
  • the at least one luminescent layer which can emit light
  • a self-luminous luminescent layer here represents a luminescent layer, which emits light and, in particular, acts as an energy converter, which converts a primary energy into light energy.
  • an electric current, heat, a chemical decomposition process or electromagnetic radiation can be used as the primary energy serve, which differs from the wavelength of the emitted light (for example, UV light, infrared light or micro-atmospheric radiation).
  • the luminescent layer which can provide light
  • the luminescent layer to be a layer which transmits light incident on the rear side
  • the light source is not part of the security element and is provided, for example, by a light source of a body on which the security element is laminated, or constitutes an external light source onto which the security element is placed or against which the security element in transmitted light is looked at.
  • Luminescent layer has for this purpose preferably one or more transparent
  • the luminescent layer has such a transparent layer, which is directly in contact with the rear side of the security element or below which a continuous recess is provided in the security element.
  • the luminescent layer can, for example, a layer of a
  • the luminescent layer has one or more light-emitting elements.
  • the luminous elements are formed by regions of the luminous layer which are formed according to the shape of the luminous elements and / or regions of the luminous layer which are provided with light waveguides and which are preferably surrounded by opaque regions of the luminous layer. It is possible that the at least one illuminated shaft has a self-piercing display element, which in particular has electrical energy in
  • the luminescent layer consists of one or more luminous elements, which are each formed as self-luminous display elements.
  • OLED Light Emitting Electrochemical Cell, QLED Quantum Dot Light Emitting Device.
  • the self-luminous display elements can be based on
  • electroluminescent include thick-film or powder electroluminescence, thin-film electroluminescence and single-crystal electrofluorescence.
  • the display elements as
  • Electroluminescent film (EL film).
  • one electrode of the display element serves as the at least one mask layer or an opaque intermediate layer arranged between the at least one luminous layer and the at least one mask layer, which has at least one arrangement of light-permeable openings.
  • a periodicity in the light source can be generated.
  • it is a metal electrode, in particular a metallic reflection layer of an OVD.
  • a metallic reflection layer consists of aluminum, silver, gold or copper.
  • a periodicity or a raster, in particular a moiré raster or a raster in the form of a revolving pattern can be realized in a completely luminous OLED in various ways.
  • One possibility is to incorporate an insulator layer into the OLED, whereby areas of the OLED coated with this insulator layer do not shine and released areas light up.
  • one of the transport layers, in particular the Elektronenreferred. Hole transport layer to be modified, in particular by irradiation or exposure to a chemical, so that locally the transport properties are destroyed. This also causes the treated areas to stop glowing.
  • the at least one luminescent layer has a luminescent display element, which can be excited by another light source to shine.
  • luminescent elements fluorescent and / or phosphorescent materials can be present which absorb incident light and re-emit it in the same or in another wavelength range, with immediate temporal and / or temporal offset.
  • the luminescent layer is excited by electrical energy from an energy source to shine.
  • the luminescent layer has such a display element, which converts electrical energy into Uchtenergie.
  • Luminescent layer are in particular piezoelectric and photovoltaic
  • Power sources batteries, capacitors, supercapacitors, etc.
  • the energy may also be supplied via a suitable antenna, e.g. an RFID antenna, to be taken from an electric field.
  • a suitable antenna e.g. an RFID antenna
  • these energy sources are integrated into the security element or the security document or connected to it via a power line.
  • Energy source may also be located outside the security element document, e.g. in an external reader.
  • an electrical energy source a galvanic, capacitive or inductive transmission of electrical energy is available for selection.
  • the security document may be placed in a corresponding local electrical or magnetic or electromagnetic field to enable capacitive and / or inductive, particularly wireless, energy transfer.
  • Security feature which provides protection against counterfeiting, e.g. of banknotes or I D cards or commercial products.
  • the at least one opaque region of the at least one mask layer when viewing the
  • OLED Optically Variable Device.
  • Common OVDs are holograms,
  • the at least two transparent openings may be formed as a metal-free region of the OVD or as an unprinted area in the printing layer.
  • the print layer may be part of the print image of a
  • the printing layer can be applied by intaglio printing.
  • the advantage of this technique is that the transparent ones
  • Openings of the mask layer due to the very high resolution of several thousand DPI (dots per inch DPI) can be made very small.
  • the distance between two transparent openings can be very small.
  • printing and security documents commonly used printing methods can be used.
  • the indirect high pressure ⁇ so-called Letterset offers a high resolution and lower cost of the printing form over the Intaglio printing process. It is particularly advantageous as a mask layer of such a self
  • Luminous layer-providing optical security feature provides, e.g. a security printed image with translucent recesses or an OVD whose metallic reflection layer serves as an opaque region of the mask and which additionally has transparent regions, can pass through the light of the luminescent layer of theerieeiement.
  • a security printed image with translucent recesses or an OVD whose metallic reflection layer serves as an opaque region of the mask and which additionally has transparent regions, can pass through the light of the luminescent layer of theerieeiement.
  • Masking layer serving optical device results synergistically in a multiple optical effect: on the one hand, the opticalbieeiement acts as such - regardless of whether the luminous layer emits or provides light; On the other hand, the security element already shows the above
  • Luminescent layer covering mask layer can be caused.
  • the optical effect of the optical security element is in particular almost undisturbed visible when the area ratio of the transparent openings the mask layer is low.
  • the area fraction is less than 30% and preferably less than 10%.
  • Such a small proportion of area is additionally advantageous for the image quality of the optical effects that result from the interaction with the self-luminous or backlit luminous layer.
  • a metal mask layer e.g., Al
  • additional optical security features such as diffractive structures
  • the suitable structures are so-called subwelienium length gratings with periods below 450 nm, preferably below 400 nm, and depths greater than 100 nm, preferably greater than 200 nm.
  • Such structures for adjusting the transparency of a metal layer are described in WO 2006/024478 A2.
  • these suitable structures may have random structures with average structure size below 450 nm, preferably below 400 nm, and depths greater than 10 nm, preferably greater than 200 nm ; be.
  • the advantage of this variant is that no demetallization is necessary, the disadvantage is that the transmission in the range of
  • the transparent openings is less than in demetallelleen openings.
  • the mask layer and in particular the transparent openings of the mask layer are spaced apart from the luminescent layer by a distance h from one another when viewed perpendicularly to one from the visible side or back of the security element spanned plane. Due to the fact that the mask layer and the luminescent layer do not adjoin one another directly, the region of the tilting of the safety element changes
  • Luminescent layer which is visible through the transparent openings of the mask holder. This makes it possible to achieve interesting optically variable effects, as explained below.
  • the distance h is preferably between 2 pm and 500 pm, more preferably between 10 pm and 100 pm and even more preferably between 25 pm and 100 pm.
  • light which transmits the security element through the mask layer is different
  • the at least one luminescent layer has a luminous element which illuminates the whole surface or which provides light over the entire surface. Furthermore, however, it is advantageous for the luminescent layer to have one or more first zones in which the luminescent layer can emit or provide light and which are preferably each enclosed by a second zone or separated from one another by a second zone in which the luminescent layer emits no light or can provide.
  • one or more light-emitting or light-providing first zones are formed in front of a non-light-emitting or light-providing background, which is formed by a second zone.
  • the luminescent layer preferably has two or more second zones.
  • the luminous layer preferably has one or more separate luminous elements or transparent openings.
  • the transparent openings act in backlighting of the luminescent layer as even luminous lighting elements.
  • the two or more separate light-emitting elements each have a radiation area in which the respective light-emitting element can emit or provide light and which respectively forms one of the first zones.
  • the one or more separate luminous elements are preferably in each case a self-luminous display element or an iuminescent display element or backlit openings.
  • the luminescent layer has a
  • the mask layer which is not provided in the region of the first zone or the first zones and is provided in the region of the second zone or the second zones.
  • the mask layer prevents light from the luminescent layer in the region of the second zone or the second zones from being emitted or provided, in the sense that they block or at least substantially block the light emitted or provided by the luminescent layer in the second zone or the second zones weakens.
  • the mask layer preferably has a transmittance of at most 20%, more preferably at most 10% and even more preferably at most 5% in the region of the second zone, and preferably consists of a metallic layer, preferably an opaque metallic layer.
  • the luminescent layer preferably has a full-surface luminous element or one or more luminous elements, in particular luminescent display elements or luminescent elements
  • the luminescent layer it is also possible for the luminescent layer to be a layer which transmits light incident on the back to the mask layer and thus provides the incident light from the back in the area of the first zones and blocks off in the area of the second zones.
  • the luminescent layer has one or more, preferably two or more second zones in which the luminescent layer can not emit or provide light and are preferably each enclosed by a first zone or separated from one another.
  • the luminescent layer thus provides one or more second zones, in which the
  • Luminous layer can not emit or provide light, and which are surrounded by a background, in which the luminous layer can emit or provide light, for example, two or more non-luminous second zones, which are surrounded by a luminous background.
  • one or more of the first zones preferably all of the first zones at least a lateral dimension of less than 300 ⁇ , more preferably less than 100 mm and even more preferably less than 50 ⁇ on.
  • lateral dimension is understood to mean a dimension in the plane defined by the visible side or rear side of the shingling element, i. for example, the width or length of the
  • Luminescent layer two or more first zones, in which the luminescent layer can emit or provide light and which are arranged according to a first grid.
  • the luminescent layer it is also possible for the luminescent layer to have two or more second zones, in which the luminescent layer can not emit or provide light, and the two or more second zones are arranged according to the first raster.
  • the two or more first zones or two or more second zones are here preferably each separated or enclosed by a first zone or second zone.
  • the two or more transparent openings of the second grid may each be in the form of a microimage or an inverted microimage, in particular in the form of a motif, a symbol, one or more numbers, one or more letters and / or one Mskrotextes be formed.
  • Concrete examples are denominations of banknotes and exhibition year of passports or ID cards, in which case the two or more first zones or the two or more second zones are preferably formed in the form of a sequence of stripes or pixels when viewed perpendicular to one of the Visible side or the back of the security element spanned plane.
  • the luminescent layer it is possible for the luminescent layer to have two or more
  • Luminous elements whose Abstraih College each have a strip-shaped, rectangular or kegeisammlungförmige shape, and which form a corresponding sequence of one or more first zones, which has for example the shape of a one-dimensional line grid or a two-dimensional dot or pixel grid.
  • the two or more first zones or the two or more second zones are each formed in the form of a microimage when viewed perpendicular to a plane defined by the visible side or rear side of the security element, in particular in the form of a motif. a symbol, one or more numbers, one or more
  • the raster widths of the first grid and the second raster respectively for adjacent first zones and transparent openings or second zones and transparent openings not to choose the same and to choose so that these rulings differ by less than 10% from each other, preferably not more than 2% of each other
  • first raster and the second raster rotated against each other between 0.5 ° and 25 ° degrees, but leave the screen rulings of the first raster and the second raster the same or choose them as above cited
  • the first grid and / or the second grid can be formed by a one-dimensional or two-dimensional grid, the grid spacing of the first grid and the second grid preferably being less than 300 ⁇ m, in particular less than 80 ⁇ m and more preferably less than in at least one spatial direction 50 pm is chosen.
  • the two or more first zones or the two or more second zones of the first grid and the transparent openings of the second grid are preferably arranged relative to one another in such a way that they overlap at least in regions when viewed perpendicularly to a plane defined by the visible side or rear side of the security element Level.
  • the optical effects generated by the individual openings or first zones are mixed for the viewer, as a result of which interesting optically variable effects can be generated.
  • the first raster to be a periodic raster having a first period p as the raster width and / or the second raster to be a periodic raster having a second period P2 as the raster width.
  • the at least one luminescent layer it is thus possible for the at least one luminescent layer to have two or more separate luminous elements which are arranged in a first periodic raster having a first period, and the at least one mask layer has two or more transparent openings, which in a second periodic raster having a second period are arranged, wherein the first and second periods are not the same, but similar.
  • This embodiment of the invention is based on a Moire Magnifier effect, which is also known under the name "shape moire" and "band moire". The size of the resulting moiré image depends on how different the periods of the two screens are.
  • Preferred image sizes are between 5 mm and 1, 5 cm of the smallest dimension, for which the grid periods in particular not more than 10% differ from each other, preferably not more than 2% differ from each other.
  • the opaque regions of the mask layer may be formed as metallic regions, eg, a metal layer of a metallized film, or as a print layer. Consequently, the transparent openings may be formed as demetallized areas of a metal layer, for example a metallized film, or as unprinted, thinner printed or printed with a transparent ink areas of a print layer.
  • the transparent openings preferably form so-called "microimages", ie preferably images which can not be resolved by the naked eye, which are magnified by the optical interaction with the luminous elements
  • the mask layer can also be inverted, ie the "microimages” are in this case opaque and the background of the "microimages” transparent.
  • images encompasses all possible information, such as alphanumeric characters, letters, logos, symbols, outlines, pictorial representations, coats of arms, patterns, halftones, etc.
  • the portion of the Display which is covered by the mask layer, can nevertheless be used to display information through the display.
  • the optional intermediate layer is present, it must also have a high transmission, for example greater than 50% and preferably greater than 70%, for this case.
  • the luminescent layer is inactive, i. If the luminescent layer is active, ie emits light, or provides light, the "microimages" are clearly visible as magnified images, if no light is emitted or no light is provided, the "microimages" are not or at least not clearly visible , These magnified images change, move or tilt vertically as the security element is tilted to the left or right, or up or down, or viewed from different perspectives. In contrast to known moiré magnification arrangements, there is a difference insofar as they are always visible, whereas in the present development of the invention the "microimages" are only clearly visible as enlarged images, if the
  • Luminescent layer is active or provides light. By "switching" the luminescent layer between on and off or backlit and not backlit, a further optical effect can thus be generated.
  • the first raster and the second raster are a periodic raster and the microimages are identical microimages.
  • advantageous morphing and morphing effects generated during tilting or turning can be achieved by the following configurations:
  • the raster width of the first and / or second rasters and / or the rotation of the first and second rasters be mutually exclusive and / or the shaping of the microimages continuously according to a parameter variation function in at least one spatial direction vary.
  • Parameter variation function can be used in combination to generate, for example, transformation effects and complex motion effects.
  • the grid width of the first and / or second grid and / or the rotation of the first and the second grid against each other, and / or the orientation of the first grid and / or the second grid and / or the shape of the In this way, the generation of complex, optically variable effects can be further improved and thus the optical appearance and the security against forgery of the security element can be further improved.
  • the transparent openings of the second grid and / or the two or more first zones and / or the two or more second zones of the first grid are each varied in their surface area to generate a halftone image.
  • the transparent openings of the second grid or the two or more first zones or the two or more second zones of the first grid each have a strip-shaped shape and the width of the strip-shaped opening or strip-shaped first or second zones locally Generation of a halftone image are varied.
  • Luminous layer no light is provided or emitted
  • corresponding halftone image is visible for example in reflected light and in one State in which the luminescent layer provides or emits light, the one described above, by the interaction of the mask layer and the
  • Leuchtschichi generated security feature is visible. It is also possible that a first such halftone image when viewed from the
  • a second, different halftone image when viewed from the back (in reflected light) is visible, and viewed from the visible side in a state in which the luminous layer provides light or emits light that by the interaction of the luminescent layer and the mask layer described security feature is visible.
  • the first halftone image is provided by the variation of the transparent apertures of the second screen as described above and the second halftone image by the corresponding variation of the first zones or the second zones of the first screen.
  • such a multicolor image can be further locally varied by the above-described variation of the transparent openings of the second raster, even in its color brightness.
  • the at least one mask layer prefferably has at least two arrangements of transparent openings, wherein light emitted by the at least one luminous layer causes the security element to pass through the at least two arrangements at respectively different exit angles.
  • An array of transparent openings comprises one or more openings.
  • At least two arrangements of transparent openings thus comprise at least two different openings, which differ from one another in terms of their arrangement, ie position, in the mask layer and optionally additionally by their shape.
  • a viewer takes while tilting the Security element thus different optical information, eg
  • Deviating viewing angle his eye light through openings of a second arrangement he sees a second optical information.
  • Different views at different viewing angles i. a characteristic "picture change" is a very simple, fast and at the same time effective way of verifying the authenticity of a security document
  • a simple example is an image change between the denomination number of a banknote, for example, "50” and a state emblem e.g. the "Swiss Cross".
  • the light leaving the security element through the at least two arrays of respectively distinct exit angles forms an image sequence consisting of two or more images, each of these images being at a different exit angle.
  • an image sequence e.g. shows a galloping horse
  • film-like very memorable optical information can be transmitted.
  • the at least one luminescent layer has two or more patterned separate Luminaire elements and the
  • luminous element in each case assigned at least one opening through which light emitted by the luminous element leaves the security element in each case at an associated exit angle.
  • Image changes are two openings of the mask layer arranged symmetrically in a layer spacing h over an associated luminous element of the luminescent layer
  • the at least one luminescent layer and the at least one mask layer are arranged parallel to one another. In this case, it is easier to maintain mutual register accuracy than if the at least one luminescent layer and the at least one mask layer extend at an acute angle to one another.
  • Luminous layer and the at least one mask layer at least one opaque intermediate layer is arranged, which has at least one arrangement of translucent openings.
  • Cross talk in connection with the security element is understood as the phenomenon that light from a second luminous element passes through transparent openings of the mask layer to the viewer, which are assigned to a first light emitting element, ie an unwanted transmission of light through a transparent opening of the mask layer Problem occurs especially when the distance between the
  • Luminous layer and the mask layer is relatively large. If now an intermediate layer is inserted between the luminescent layer and the mask layer, then the translucent openings of the intermediate layer act as a kind of second luminescent layer, but now with a reduced distance to the mask layer. As a result of the reduced distance, the problem of "cross talk" can be reduced or avoided.
  • the intermediate layer is closely matched to the ashen layer, e.g. in a common manufacturing process, and in the form of a
  • Layer composite / laminate used together for the production of the security element.
  • the arrangement of the translucent openings of the intermediate layer can be adapted to the Leuchtschichi or be independent of it.
  • Such an intermediate layer can, for example, register exactly to the
  • Mask layer are made by both layers by printing on the front and back of a film. It is also conceivable, in a manufacturing process, to arrange the masking layer and intermediate layer or luminous layer with respect to one another in winking fashion and / or positionally accurate by means of an image recognition which produces the optical effect in the case of backlighting or
  • a register-accurate or register-accurate arrangement of two layers relative to one another here means a coordinated arrangement of the two layers relative to one another, in particular in the form of a positionally accurate arrangement of the two layers relative to each other.
  • such an arrangement of two layers to each other is achieved in that when applying a layer, the exact position of the other layer is detected, for example, detected by register marks, and the position of this other layer, in particular their position in one of the front. or back of the security element or security document
  • spanned level in the application of the layer is taken into account.
  • openings of the layer are arranged with exact position relative to one another, in particular when viewed in Cover a plane perpendicular to the front or back of the security element or security document plane.
  • light-scattering or luminescent elements may be arranged in the light-permeable openings of the intermediate layer which scatter light incident from the luminous layer in the direction of the mask layer or emit it again under luminescence.
  • the light-scattering elements may be e.g. Made of matt, transparent materials that diffuse diffuse light diffusely.
  • luminescent elements fluorescent and / or phosphorescent materials can be present which absorb incident light and re-emit it in the same or in another wavelength range, with immediate temporal and / or temporal offset. Such luminescent elements can not only be seen from a view from the visible side
  • Luminescent layer to be excited it is also conceivable that
  • luminescent elements from the visible side, i. to excite through the mask layer.
  • the at least one luminescent layer prefferably has two or more separate luminous elements, wherein these luminous elements and the at least one transparent opening of the mask layer, viewed perpendicular to the plane of the foil body, have a rectangular shape.
  • this rectangular shape is a rectangle with length m and width n, wherein the
  • Ratio m / n is greater than or equal to 2. Furthermore, it is advantageous if the outline of the lighting elements is identical to that of the openings; then, when the security element is tilted about the longitudinal axis of the lighting elements or openings, the light from the lighting element completely fills the associated opening in the mask layer, without any unlighted portions remaining.
  • the transparent opening of the mask layer viewed perpendicular to the plane of the film body, may have a square or circular shape with the edge length or diameter m.
  • the outline of the lighting elements is identical to that of the openings. It is possible for the at least one luminescent layer to have two or more separate luminous elements, wherein the gap between adjacent luminous elements is considerably larger than the width of the luminous elements.
  • a distance between adjacent lighting elements is about 5 times larger, preferably about 10 times larger than the width of the lighting elements. In this case, an unambiguous assignment of openings of the mask layer to a single luminous element of the luminous layer is possible.
  • the at least one luminescent layer is two or more
  • a matrix of individual light-emitting elements which can be controlled as pixel-like individual picture elements, preferably analogous to pixels in image sensors and
  • the mask layer is not only aligned in the register with the pixels of the display, but that additionally the openings in the mask layer are aligned with the correct color pixels.
  • the security element is preferably a
  • Counterfeit security of a security document in particular a banknote, a security, a check, a tax stamp, a
  • Postage stamp a visa, a motor vehicle document, a ticket or a paper document, or identification documents (ID documents), in particular a passport or an ID card, an identity card, a driver's license, a bank card, a credit card, one
  • Access control card a health insurance card or a commercial product to increase the security against counterfeiting and / or for the authentication and / or traceability (track and trace) of the commercial product or any chip cards and self-adhesive labels.
  • Security document a thickness of at most 2000 ⁇ and preferably of at most 1000 ⁇ and even more preferably of a maximum of 500 ⁇ on. In this case, there is a particularly practicable total thickness of the security document and the security element arranged thereon.
  • the security document has a thickness in the range from 20 to 200 ⁇ m and further from 50 to 200 ⁇ m, in this case preferably in the range from 50 to 140 ⁇ m and further from 85 to 40 ⁇ m, in particular from approximately 100 pm.
  • the at least one security element can be formed in strip form or in the form of a label on the security document or can be arranged as a strip or as a label within a layer region, in particular transparent, layer laminate.
  • the security document is printed after application of the at least one security element with at least one opaque ink and / or at least one opaque Farbiack in one Embodiment only areas of the security element are covered with it.
  • the stiffness of the combination of security documentation and security element in the region of a piezoelectric energy source is to be adjusted so that the impressed force and the stress caused thereby on other areas of the energy source, in particular distributed over the entire region of the energy source, to bend the layer to produce a sufficiently high voltage for switching the luminescent layer of piezoelectric material.
  • the stiffness can generally before or after application of the security element on the submittedokumeni by a targeted
  • the at least one security element can on the
  • Security document arranged or embedded in this. On a surface of the security document that becomes at least one
  • Security element preferably by embossing using a
  • the at least one security element can already be introduced into the paper during paper division.
  • the security element can also be generated only during the integration into the banknote. For example, this can be done by hot embossing of a KINEGRAM® patch with a demetailization in the arrangement of the transparent openings of the mask layer, wherein on the other side of the banknote a precisely matching intaglio print is applied. In the region of the security element, this pressure has transparent openings which, when interacting with the transparent openings of the opposite mask layer, produce the desired optical effect in terms of the through-view. For ID documents, this can be Security elements are laminated into a laminate of the security document or applied to the surface of the security document.
  • the security element as such already forms a security document, which is, for example, a security document
  • Banknote a security, a paper document, an identification card, in particular a passport or an ID or bank card.
  • the security element can also be constructed from different sub-elements, which are laminated together during the production process.
  • Mask layer of a flexible, multi-layer film body is formed, which as a laminating or transfer layer of a transfer on the
  • Luminous layer of the security element is applied.
  • transparent intermediate layers may also be present between the luminescent layer and the multilayered foil body.
  • the masking layer and the luminescent layer are embedded between different layers of the security element.
  • 1 is a plan view of a security document with a security element arranged on one side of the security document;
  • Fig. 2 is a section of the security document of Fig. 1;
  • 3a shows a section of a security element
  • Fig. 3b is a plan view of the security element of Fig. 3a;
  • Fig. 5 optical effects of the security element of Fig. 3;
  • FIG. 7 shows a plan view of the security element of FIG. 6, as well as optical effects which can be achieved with this security element; 8 shows a section of a security element for realizing a picture sequence; Fig. 9 optical effects of the security element of Fig. 8;
  • 1 1 is a plan view of an embodiment of a luminescent layer and a matched mask layer
  • Fig. 12 is a side view of various arrangements of the luminescent layer and mask layer for explaining "cross-taik";
  • Fig. 13 is a plan view of various arrangements of the luminescent layer and the mask layer for explaining the angular orientation
  • Fig. 14 is a side view of various arrangements of the luminescent layer and the mask layer for explaining the pitch;
  • Fig. 15 side and top view of an arrangement of luminescent layer
  • Fig. 16 shows two calculated fields of a cube
  • Fig. 18 shows a further arrangement of luminescent layer and mask layer for
  • 19a shows a luminescent layer and mask layer for realizing a
  • FIG. 19b shows an arrangement for realizing a moire enlargement
  • Fig. 21a is a schematic plan view of a security document
  • Fig. 21b is a schematic sectional view of a detail of
  • Fig. 21c is a schematic enlarged plan view of a mask layer
  • Fig. 21d is a schematic enlarged plan view of a mask layer
  • Fig. 21 e is a schematic sectional view of a security document with a security element
  • FIGS. 21f and 21g are photographs of the security element according to FIG. 21e
  • Fig. 22 an intermediate layer
  • FIG. 23 shows a further intermediate layer
  • FIG. FIG. 24 shows a section of a security element with a LEEC
  • Fig. 25 is a section of a kneweiements with a fluorescent
  • OLED is illuminated
  • Fig. 26 is a section of a security element with a fluorescent
  • FIG. 27b is a sectional view of a detail of a security document with a security element
  • Figs. 27c and 27d are photographs of the optical effect of the security element of Fig. 27b;
  • FIG. 29 shows a section of the security element which corresponds to that in FIG. 29
  • Fig. 30 is a sectional view of a transfer sheet
  • Fig. 31 is a diagram of the viewing distance.
  • Fig. 1 shows a security document 100, on the view side of a
  • the safety element 1 comprises a
  • the luminescent layer has a rectangular outline in the direction perpendicular to the xy plane, with the longer sides running in the y direction.
  • Fig. 2 shows a section through the security element 1 along the line II-II indicated in Fig. 1.
  • the security element 1 is formed by a flexible multi-layer Foüeneffort attached with its underside 12 on one side of the security document 100, for example, glued by means of a Kiebesch Anlagen, and with its visible side 11 to a viewer 3 of Security element 1 points.
  • the film body 1 comprises the luminescent layer 2, which can generate and emit light 20, and the mask layer 4, which completely covers the luminescent layer 2.
  • Mask layer 4 are spaced apart here at a distance h.
  • the mask layer 4 comprises opaque areas 5 and transparent openings 1, 42.
  • the vertically looking from above on the security element 1 observer 3 can not perceive light that is emitted from the luminescent layer 2, since this in the vertical direction of view, in Fig. 2 with indicated by a dashed-dotted line, is blocked by the middle opaque region 5 of the mask layer.
  • the distance h in this case is the distance between the underside of the mask layer 4 and the upper side of the luminescent layer 2, in particular the first zones of the luminescent layer, in which this light radiates or provides.
  • This embodiment of the invention thus provides the visual effect of the so-called "image flip".
  • each light-emitting element 21 is associated with an opening of each of the two arrangements 41 and 42, respectively.
  • the light-emitting elements 21 are, for example, elongate LEDs whose longitudinal axis runs perpendicular to the plane of the drawing.
  • Openings 41, 42 are likewise catch-elongated openings with a rectangular outline whose longitudinal axis is parallel to that of the
  • Luminous elements 21 extends.
  • FIG. 3 b A plan view of the visible side of the security element 1 of FIG. 3 a is shown in FIG. 3 b, wherein the light elements 21 which are not visible through the mask layer 4 are indicated by dashed lines.
  • An illumination element 21 is assigned an opening of the arrangement 41, 42 so that a viewer 3 perceives no light perpendicular to the plane of the security element when viewing the security element 1, but light passes through the first arrangement 41 of the openings from a first angle reaches the eye of the beholder. In one in the opposite direction pivoted
  • the first array 41 of apertures may be configured such that the light pattern indicates the viewer 3 capital letter A, while light passing through the apertures of the second array 42 may be directed to the viewer Viewer 3 arrives, the viewer 3 displays the capital letter B.
  • the transparent openings may comprise demetaflated areas in a metallized security element with conventional optically variable effects in reflection, e.g. Hologram, Kinegram® etc, be.
  • the transparent openings may alternatively contain suitable structures which have a much higher transmission even without demetalization than structures designed for reflection. These suitable structures must increase the transmission of the metal masking layer by at least 20%, preferably at least 90%, and more preferably by at least 200%, compared to the areas around the transparent openings, examples for the suitable structures are so-called subweiien length gratings with periods below 450nm, preferably below 400nm, and depths greater than 100nm, preferably greater than 200nm.
  • Figure 4 shows an exemplary schematic side view of a masks schient 4, which in the openings 41 as
  • the pitch of the transparent openings 41 is p. Between the openings 41, the mask layer 4 has Reiief Modellen
  • the relieving structure 412 has sinusoidal gratings, mirror surfaces and / or biaze gratings whose spatial frequency is preferably between 100 and 2000 lines / mm.
  • Fig. 5a shows a top view of the security element 1 of Fig. 3 when the luminescent layer 2 is inactive, i. does not send out or provide light.
  • the information present in the form of the openings of the mask layer 4 in the security element is not visible, so to speak "hidden.”
  • a metallic reflection layer of the reflection hologram 30 serves as a mask layer 4 of the security element 1.
  • Figs. 5b to 5d show optical effects of the security element when the luminescent layer 2 is active, i. Send out or provide light.
  • Fig. 5b shows the optical effect of the security element 1 when viewed perpendicularly the plane of the security element 1. In this case, i. E. at vertical
  • FIGS. 5 c and 5 d show the optical effect of the security element 1 when viewing the plane of the security element 1 obliquely. In these cases, the information which is present in the form of the openings 41, 42 of the mask layer 4 in the security element 1 is visible. Additionally is suitable
  • Fig. 5c shows the optical effect of the security element 1 when viewed from the left: the letter “A” is visible
  • Fig. 5d shows the optical effect of the security element 1 when viewed from the right: the letter "B" visible, noticeable.
  • the viewing angle changes different information appears, in this example either A or B, since light beams having different exit angles are respectively transmitted through the mask layer 4. Even in heavily darkened rooms this is
  • the colors in which the information appears are determined by the luminescent layer 2, but may be changed by colored, fluorescent, phosphorescent and other layers that can cause a change in a light color and lie between the luminescent layer 2 and the viewer.
  • FIG. 6 shows a section through a further security element 1.
  • the section substantially corresponds to the section shown in FIG. 3, but in FIG. 6 the openings 41, 42 have different lengths, as shown in FIG.
  • the first arrangement 41 of openings comprises a total of three openings, which are arranged on the left side of the luminous elements 21.
  • the second arrangement 42 of openings comprises in this section a total of five short openings, which are each arranged on the right side of the lighting elements 21. If a viewer looks at the safety element in a first angular position A, as shown in FIG. 6, the light passing through the long openings 41 from the luminous element 21 to the observer will appear to him a square as shown in FIG.
  • the security element 1 appears to him dark, or merely perceives a security feature that is placed on the opaque areas of the mask layer 4.
  • the illustrated images ie the square and the solid stripe, represent only two arbitrary examples.
  • Other possibilities for pictures are eg texts, logos or pictures, whose
  • FIG. 8 shows a section through a security element 1 for the realization of a picture sequence.
  • a sequence of images is generated in a completely analogous manner to a change of image: instead of a change between two images A and B, a series of images A, B, C, D and E are realized which are successively perceivable when the security element is tilted from left to right, and, as shown in Figure 8, to the longitudinal axis of the lighting elements. 2
  • FIG. 8 shows a luminescent layer 2 with separate luminous elements 21, over which a mask layer 4 is arranged at a vertical distance h, which has five arrangements 41 to 45 of openings.
  • the openings are each structured so that either opaque or transparent formed that the totality of the openings of an array 41 to 45 generates the desired Leuchtbiid. If the openings, as shown in Fig. 8, are structured in the form of capital letters A to E, sees a viewer 3 when tilting the security element 1 from left to right, the light 20 each
  • Security element 1 in the opposite direction appear successively images E to A, i. in the reverse order.
  • the number of images that can be displayed in such an image sequence and the complexity of each individual image are determined by the resolution of the image
  • FIG. 9 shows a security document 100 on which a luminescent layer 2 is partially covered by a reflection hologram 30, wherein a metallic reflection layer of the reflection hologram 30 simultaneously serves as a mask layer 4 for the security element 1.
  • a metallic reflection layer of the reflection hologram 30 simultaneously serves as a mask layer 4 for the security element 1.
  • FIG. 10 shows a light-emitting luminescent layer in the form of a pixel matrix consisting of individual pixels 21, which emit red, green or blue light in each case.
  • the matrix consists of rows in the x-direction and columns in the y-direction.
  • Each pixel 21 has a dimension of 0.045 mm in the x direction and 0.194 mm in the y direction in this example.
  • the pixels are in one
  • the individual pixels 21 are designed as LEDs, for example as an OLED.
  • Registration of the pixel matrix to the mask layer may also be
  • the display may display a sequence of combinations of luminous pixels, with the aim that one of the combinations is as close to optimum as possible
  • Pixel matrix is a matrix arrangement of 128 x 128 pixels (RGB) with
  • a luminescent layer is a whole-area OLED.
  • OLEDs can, for example, illuminate over the whole area to 10 mm ⁇ 10 mm. Common shades of OLEDs are currently green, red or white.
  • FIG. 11 shows an exemplary embodiment of a luminescent layer 2 (FIG. 11a) and a mask layer 4 (FIG. 11b) with which colored images can be generated.
  • FIG. 11a shows a top view of a matrix consisting of pixels 2, which are divided into rows in the x-direction and columns in the y-direction.
  • the distances and dimensions correspond to those of the matrix shown in FIG.
  • the individual pixels are controlled in such a way that in a row only pixels of a single Color light emit light, ie in the top line only the red pixels 21 R light up in the underlying line only green pixels 21 G light up, in the underlying line only blue pixels 21 B light up and in the bottom line, at the beginning of a new cycle, again only red pixels 21 R light up.
  • the mask layer shown in FIG. 11b has a different arrangement of openings for each of the colors R, G and B, ie for the red pixels 21R the arrangements 41 and 42, for the green pixels 21G the arrangements 43 and 44 and for the blue ones Pixels are the arrays 45 and 46.
  • Fig. 12a illustrates a problem called "cross-tatk” in that light emitted or provided by two adjacent light emitting elements 21a and 21b passes through the same openings 41 and 42 to a viewer 3.
  • cross-tatk a problem called "cross-tatk” in that light emitted or provided by two adjacent light emitting elements 21a and 21b passes through the same openings 41 and 42 to a viewer 3.
  • Angular position B receives the viewer 2 light from the adjacent
  • Luminous element 21 b which passes through the opening 42 to the viewer 3, which is also associated with the first light-emitting element 21 a.
  • the fact that light of the second lighting element 21b by the first lighting element A solution to this problem is illustrated in Figure 12b, the solution being that the distance between the light elements is increased, which can be realized, for example, by only every second or every third row of luminous elements 21 has been activated
  • the luminous element 21b has been deactivated, so that no cross-talk can occur between the two adjacent luminous elements 21a and 21b cross-talk between the two
  • Luminous elements 21a and 21c may occur because light from the luminous element 21c may pass through the opening 42 associated with the first luminous element 21a, but in this case the cross-talk occurs only with a significantly greater change in the viewing angle, i. with a change of the viewing angle from the position A to the position B. Such a large change in the viewing angle does not occur unintentionally, so that here the risk of unwanted cross-talks is not given.
  • FIG. 13 illustrates an angular alignment problem.
  • FIG. 13a shows a plan view of a luminescent layer consisting of a grid of separate luminescent elements 21, which are arranged uniformly in rows and columns. The dimensions and dimensions of each
  • Luminous elements 21 correspond to those of Figure 10.
  • Figure 13b shows a
  • the luminescent layer 2 thus consists of light-imitating lines 21 with a pitch of 210 ⁇ and the mask layer consists of linear window openings, also with a pitch of 210 ⁇ .
  • Security element is formed in which the mask layer 4 over the
  • Luminous layer 2 is arranged. If the luminescent layer 2 and the mask layer 4 are aligned correctly with each other, ie, so that a maximum Transmission results, the openings 41 of the mask layer 4 are completely parallel to the extending in the y direction columns of the luminescent layer 2. Further, the lateral position, ie the positioning of the mask layer 4 upwards and downwards as to the left and to the right, in the drawing plane aligned with the center columns 21 of the luminescent layer 2, as shown in Figure 13c. If the angular orientation of the mask layer 4 differs only slightly from the correct position with respect to the luminescent layer 2, only a small amount of light passes through the mask layer, as shown in FIG. 13d. In the production of a
  • the angular orientation of the mask layer 4 with respect to the luminescent layer 2 is better than 0.5 °, in particular better than 0.1 °.
  • Fig. 14 illustrates a problem with angular separation of images
  • Fig. 14a shows a section of a security element 1 comprising a luminescent layer 2 with individual luminescent elements 21 arranged one another at a lateral distance p and one above it
  • Mask layer having a first 41 and a second 42 array of
  • Openings so that light of a luminous element 21 at two predetermined angular positions A and B through the openings 41, 42 through to the eye a viewer 3 can get.
  • the angle ⁇ which indicates the exit angle of the light from a light element 21 through an opening 41, 42 assigned to it, is next to the lateral distance s, which is the luminous element 21
  • associated openings 41, 2 also determined by the vertical distance h between the mask layer and the luminescent layer 2.
  • the angle ⁇ ⁇ arctan (60 pm / 200 ⁇ ) 16.7 °.
  • the two images A and B thus results in a total Winkefabstand of about 34 °, which represents a practicable angular distance.
  • the cover layer of the luminescent layer 2 is significantly thicker, i. if the vertical distance h takes much larger values, the situation changes.
  • FIG. 14b shows such an arrangement in which the vertical distance h is considerably greater than the embodiment example shown in FIG. 14a.
  • the ratio s / h ie the quotient of the lateral distance s and the vertical distance h in the range of 1/5 to 10.
  • the ratio s / h in the range of 1/3 to 4.
  • this problem be substantially improved when the mask layer 4 is simultaneously an electrode of the luminescent layer 2, a configuration which will be explained in more detail below.
  • the distance between the luminescent layer 2 and the mask layer 4 is significantly smaller than in the exemplary embodiment shown in FIG. 14b.
  • Fig. 15 shows in the upper part a section of a mask layer 4 which is viewed by a viewer with a left eye 31 and a right eye 3r.
  • a luminous layer 2 In the direction behind the mask layer is a luminous layer 2 with separate light-emitting elements 21 R, 21 B are arranged, each emitting or providing either red light R or blue light B. These light-emitting elements 21 R, 2 B may be formed, for example, as LED pixels.
  • the solid lines 31 indicate the limits of the field of vision of the eyes 31, 3r. For the observer 3, two cylindrical objects 01, 02 seem to float in the viewing direction in front of the mask layer 4. The first object 01 is red, closer to the
  • the observer 31, 3r has the impression of a 3D Bi! Des.
  • This stereoscopic image is effected by an embodiment of the mask layer 4, in which to the left eye 31 of the observer other information than to his right eye 3r.
  • the dashed or solid lines 20 indicate the course of light beams of red or blue light, which passes from the light-emitting elements 21 R, 21 B through the mask layer 4 to the eyes 31, 3r of the observer.
  • Fig. 15 shows in the lower part of a plan view of the mask layer 4, wherein for ease of illustration, each associated with an eye 31, 3r arrangement of openings 41 !, 42! or 41 r, 42r is shown in a separate partial image.
  • the top plan view Bl of the mask layer 4 shows the position of the openings 411, 42I which allow light intended for the naked eye 31 to pass to the left eye 31.
  • the lower plan view Br of the mask layer 4 shows the position of the
  • Openings 41 r, 42 r soft for the right eye 3 r specific light to the right eye 3 I therethrough.
  • the two narrower openings 411, 41 r allow red light R to reach the viewer from red luminous elements, the two wider openings 421, 42r blue light B from luminous elements illuminating blue.
  • the position of the openings 411, 421 and 41 r, 42r on the mask layer 4 in the lower part of Fig. 15 is given by the
  • Mask layer 4 in the upper part of Fig. 15 are transmitted vertically in the lower part of Fig. 15. These transmission lines - solid or dashed - are given without reference numerals. In the mask layer 4 so the openings 411, 421, 41 r, 42r with
  • Mask layer 4 arranged luminescent layer 2 is tuned so that the left eye 31, the part marked as Bl and the right eye 3r appears as Br marked Operabiid.
  • a common way to combine the two images as shown in Figure 16 uses anaglyph images: the two of the red and green, respectively
  • Luminous elements 21 R, 21 G generated fields are presented superimposed, the left image colored red R and the right green G is colored, as shown in Figure 17
  • the left glass colored red and the right glass is dyed green.
  • the mask layer 4 is obtained in this way
  • Fig. 19a illustrates the structure of a security element for realizing a moire magnification effect, which is also known by the technical terms "shape moire" or "band moire".
  • a moiré magnification arrangement is realized with the following structure:
  • a revealing layer formed by a luminescent layer 2 with line-shaped first zones 211, in which the luminescent layer 2 can emit or provide light is formed below a base layer through a mask layer 4 with periodically arranged and identical openings 41 of a particular shape.
  • the first zones 211 are here separated from each other by one or more second zones 2 2, in which the luminescent layer does not emit light or
  • the first zones 211 are preferably each formed by one or more luminous elements.
  • FIG. 19a shows a corresponding representation in which the first zones 211 are each formed by an island-shaped luminous element 21 whose emission region has a linear shape and which in each case has one of the first zones 211 forms.
  • FIG. 19a shows the luminescent layer 2 serving as emitter layer and the mask layer 4 arranged above it, wherein the openings 41 of the mask layer 4 each show the letter combination OK.
  • the term "over” is to be understood in accordance with conventional convention in the viewing direction
  • the mask layer 4 is located in the viewing direction, ie in front of the luminous layer 2.
  • the resulting visual impression is isolated:
  • the form OK appears enlarged to a viewer and, depending on the viewing direction, there is an apparent movement of the shape OK in the vertical direction (indicated by the arrows).
  • Fig. 19b shows the geometrical arrangement of that shown in Fig. 19a
  • Luminous layer 2 and mask layer 4 in a security element 1 are separated by a vertical distance h, the period p e of the grid, according to which the first zones 211 and
  • the grid according to which the apertures ("images") 41 of the mask well 4 are arranged has a period p, of 0.22 mm
  • Security element 1 then perceives enlarged images of the openings 41, which are tilted down in comparison to the original openings 41, with a size p m of about 5 mm:
  • Fig. 19b shows the openings 41 in black color around the geometric
  • the openings 41 are transparent and surrounded by opaque areas.
  • the areas executed in black in FIG. 19b are opaque and the surrounding areas are transparent and form the openings 41.
  • the luminous elements 21 of the luminous layer 2 are not active or provide no light, a viewer 3 does not perceive the images 41. Only when the luminescent layer 2 is activated and emits or provides light does the viewer 3 see the word "OK.” This image is formed by the light rays leaving the luminescent elements 21 in the angular direction to the eye of the observer 3 and through the microimages 41. If the
  • Security element 1 is tilted from left to right, about an axis along the longitudinal axis of the lighting elements 21, are light rays with
  • Fig. 20 shows schematically optical effects of a moire magnification, which are already explained in connection with Figs. 19a and 19b
  • Fig. 20a shows a view of a
  • Security document 100 e.g. a! D card on which the
  • the luminescent layer is inactive, i. no light is emitted or provided. In this case, the
  • Security element 1 present, not visible, quasi "hidden"
  • Information is preferably in the form of microimages, which when illuminated by the luminescent layer can be enlarged due to the Moire Magnifier effect.
  • Figs. 20b to 20d show optical effects of the security element 1 when the luminescent layer is active, i. Send out or provide light. In these cases, the information in the form of the openings of the mask layer in the
  • Security element present, visible.
  • Fig. 20c shows the optical effect of the security element when viewed perpendicularly the plane of the security element 1 from above.
  • Fig. 20c shows the optical effect of the security element 1 when viewed from the left
  • Fig. 20d shows the optical effect of the security element 1 when viewed from the right: as the viewing angle changes, the information appears to be moving each light rays with different exit angles are transmitted through the mask layer.
  • the security element it is also possible for the security element to have an inverse construction with respect to the structure explained with reference to FIGS. 19 a and 19b.
  • the mask layer 4 it is possible for the mask layer 4 to form the revealing layer and to have, for example, a sequence of hirn-shaped openings in the mask layer 4, and the luminescent layer 2 forms the base layer.
  • the luminescent layer 2 it is thus possible, for example, for the luminescent layer 2 to have a large number of first zones in which the luminescent layer can emit or prepare light and which are each shaped in the form of a microimage.
  • these first zones it is possible for these first zones to be formed in accordance with the openings 41 of the mask layer 4 according to FIG. 19a and surrounded by a second zone of the luminescent layer, in which the luminescent layer does not emit light or can not emit or provide light.
  • the openings in the mask layer the linear shape of the
  • Figs. 21a and 21b show a security document 00 having a
  • the mask layer 4 has a multiplicity of openings 41, which, as shown in FIG. 21 a, have a linear or strip-shaped shape and are arranged in accordance with a periodic grid.
  • a luminescent layer 2 is provided, which has a plurality of first zones, in which the luminescent layer 2 can emit or provide light and which are each formed in the form of a microimage.
  • the first zones are also preferably arranged according to a periodic grid, for example, arranged according to a periodic one-dimensional grid.
  • the periods of the grids preferably correspond to the relationships explained above with reference to FIGS. 19a and 19b.
  • the mask layer 4 is preferably formed by a printing layer which is printed, for example, by intaglio printing, offset printing, gravure printing or screen printing.
  • the security document 100 is formed, for example, by a banknote or a (D document, then this banknote is preferably so
  • Mask layer 4 is overprinted. On the back of this transparent
  • the luminescent layer 2 is applied, for example applied in the form of a laminating film or the transfer layer of a transfer film.
  • the light-emitting elements are preferably arranged between two layers, of which the front is transparent. Above the light-emitting elements, a print which forms the mask layer is then preferably applied, preferably applied to the upper surface of the card body.
  • the security document 100 is preferably one
  • soft carrier substrate as a transparent plastic film, for example, a BOPP film has a layer thickness between 70 and 150 pm.
  • This carrier substrate then preferably forms the substrate 7 of the security element 1.
  • This carrier substrate is then printed on both sides to provide the corresponding design of the banknote.
  • Printing a window 101 is recessed, soft, for example, has the strip-shaped shape shown in Fig. 21a and extends over the entire width of the bill.
  • the mask layer 4 is then applied, as shown in Fig. 21a, preferably by printing.
  • a film element for example a laminating film or a transfer layer of a transfer film, which provides the luminescent layer 2 in a region 102 of the security document 100 and, for example, provides another security element in a further region 103, for example a Kinegram® ready.
  • the printing of the mask layer 4 takes place before application of the luminescent layer 2 in order to minimize damage to the luminescent layer 2 as a result of the printing process
  • Fig. 21e shows another example of a security element 1, which is introduced into a window of a security document, in particular a banknote.
  • Both the mask layer 4 and the luminescent layer 2 are as
  • Folieneiement for example, a laminating film or a transfer layer of a transfer film, applied.
  • Fig. 21 e shows this with reference to a schematic
  • a banknote with transparent core ie transparent Substrate 7, which optionally, as shown in Fig. 21e may be provided with a printing layer 104, which may be formed for example by an RGB Intaglio-pressure. Visible light from an external light source, such as a white luminous ceiling lamp, illuminates the security element 1 of the
  • the light strikes the luminescent layer 2 - e.g. the protective layer of a Kinegram patch - and passes the light on to the intermediate layer 6 with the transparent openings in the form of moire information.
  • the luminescent layer 2 - e.g. the protective layer of a Kinegram patch - and passes the light on to the intermediate layer 6 with the transparent openings in the form of moire information.
  • Interlayer in this example is a metallized patch with demetallized areas that form the transparent openings.
  • the light partially penetrates the intermediate layer 6, the transparent core of the substrate ⁇ here a polymer bank note) and the mask layer 4 through the transparent openings, thereby producing the desired effect, e.g. Moire enlargements and / or movements.
  • FIGS. 21f and 21g Photos of the optical effect exhibiting incident or reflected light viewing of the security element 1 are shown in FIGS. 21f and 21g.
  • FIG. 21f shows a photograph of the optical effect provided by the security element 1 in the reflected-light view. It is the optically variable
  • Fig. 21g shows the optical effect of the security element 1 when viewed against a healed background.
  • an optically variable effect in the form of a moire magnification of stars is visible, which provides a second optical security feature 120.
  • Mask layer 4 only in a pattern-shaped area, here in the area of a portrait, provide and / or the width of the openings 41 of
  • Mask layer 4 arranged areas of the mask layer for generating a halftone image to vary, as is exemplified in Fig. 21c.
  • the mask layer is formed in the form of a line grid, wherein the period and shape of the lines is selected, for example, such that it interacts with the microimages formed in the luminous layer to generate the effects described above and the width or line thickness determines the gray value of the image.
  • FIG. 21d it is also possible to design the mask layer 4 as multicolor printing.
  • Fig. 21d shows a corresponding one
  • Mask layer 4 between the openings 41 here have a linear shape, wherein the coloring of the mask layer 4 along these lines in the color or hue varies, so as to generate the multi-color image shown in Fig. 21 d.
  • a portion of these line-shaped or strip-shaped opaque areas are formed between the openings 41 in a first color or hue 43 and a second portion in a different second color or hue 44.
  • the luminescent layer 2 can, as already described above with regard to FIGS. 19a to 20d, have a multiplicity of separate luminescent elements, the
  • the luminescent layer 2 has a mask layer which is not provided in the region of the first zones and is provided in the region of the second zone or the second zones.
  • the luminescent layer 2 has a metallic layer which is demetallized in the region of the first zones, ie is not provided there, and is provided in the region of the second zones, and thus causes the luminescent layer provided by the luminescent layer radiated light is provided or emitted only in the first zones, but is not provided or transmitted in the second zones.
  • this mask layer the Reflection layer for a security feature provided in the luminescent layer in reflection, for example a diffractive surface line, forms and thus an additional, eg diffractive, security feature is provided by the luminescent layer.
  • a multiplicity of first zones it is possible here for a multiplicity of first zones to be shaped in the form of the microimages and arranged according to a grid, i.
  • the microimages appear bright against a dark background, but furthermore it is also possible for the luminescent layer to have a multiplicity of second zones, each of which is shaped in the form of a microimage and arranged according to the grid , In this case, the photomicrographs appear dark in front of a bright background when light is illuminated by the light.
  • the luminescent layer 2 is designed such that it provides the light incident on the back of the security document in the region of the first zones, so that with the backlighting of the backlight explained above with reference to FIGS. 21a to 21d, for example Effect is generated and in reflected light observation, the optical information generated by the additional patterning of the mask layer, for example, the optical information generated according to FIG. 21 a to FIG. 21g and / or the optical information provided by the diffractive relief structure of the luminous layer 2 becomes visible.
  • second zones of the luminescent layer are arranged according to a periodic, one-dimensional grid. It is also possible that the openings 41 of the mask layer 4 and the first and second zones 211 and 212 of the
  • Luminous layer 2 according to a two-dimensional grid, or according to a geometrically transformed grid, for example, wavy or arranged radially symmetrically extending raster.
  • these rasters are not periodic raster and so, for example, varies the raster width of one or both of these rasters in at least one spatial direction and / or the alignment between these rasters is varied.
  • interesting optically variable effects can be generated.
  • FIG. 22 shows a section of a security element comprising a luminescent layer 2, a mask layer 4 with 2 arrangements 41, 42 of openings and one arranged between the luminescent layer 2 and the mask layer 4
  • the luminescent layer 2 is a full-surface non-pixellated transparent OVD or a full-area OLED, so that the intermediate layer 6 limits the light 20 emitted by the luminescent layer 2 to specific positions 61 that are matched to the mask layer 4.
  • the openings 61 of the intermediate layer 6 form, as it were, a linear arrangement of emitters tuned to the mask layer 4, which in turn emit light 20 by forwarding the light 20 obtained from the luminous layer 2 in the direction of the mask layer 4.
  • Luminous layer 2 the exit angle to the viewing positions A and B can be adjusted. Furthermore, the strength of the possible "cross talk” is determined.
  • Fig. 23 shows schematically an intermediate layer 6 between a
  • Mask layer 4 and a present as Pixeiraster 21 luminescent layer 2 is arranged.
  • the intermediate layer is useful for solving the problem of angular resolution and cross-talk with pixellated ones
  • the vertical distance h between the intermediate layer 6 and the mask layer 4 can be much smaller than the vertical distance H between the intermediate layer 6 and the luminous layer 2. This is particularly useful when the luminous layer 2 is covered by a thick layer is, for example H - 0.7 mm, so that a large vertical distance between the Luminescent layer 2 and the mask layer 4 is present.
  • the transparent openings 61 of the intermediate layer 6 have a matt material, that the light coming from the luminescent layer 2 in the
  • Fig. 24 shows a section through a security element 1, which is a
  • Mask layer 4 has an arrangement 41 of transparent openings and is realized by a print layer or meta layer.
  • the mask layer 4 is applied to a substrate 7 which is e.g. consists of a plastic film.
  • the substrate 7 consists of a 23 ⁇ thick PET Foiie.
  • the opposite side of the substrate 7 is the
  • Luminous layer 2 arranged, e.g. trained as LEEC.
  • the luminescent layer 2 has two electrode layers 22, 23, wherein the electrode layer 22 lying toward the mask layer 4 has openings 61 and thus simultaneously acts as an intermediate layer 6.
  • the electrode layer 22 is formed as a patterned aluminum or gold electrode.
  • Electrode layer 22, 23 preferably has a layer thickness in the range of 1 nm to 500 nm. In this case, the electrode layers 22, 23 may be opaque or at least locally transparent. To form the
  • Electrode layers take place in particular when metallic or non-metallic inorganic electrode layers are formed, preferably by vapor deposition or sputtering or, in particular, during the formation of polymeric electrode layers by conventional printing methods such as screen printing, high-pressure printing, Gravure or untagging. But even the use of a transfer film for the use of electrode layers by embossing is possible.
  • the electrodes are formed of metal
  • their layer thickness is chosen so that no or very little light through the electrodes
  • the large advantage of this mecanicsbeispiets is that the distance h between the intermediate layer 6 and the mask layer 4 can be made very small.
  • an electrical insulator material 24 which electrically separates the two electrode layers 22, 23, eg by patterned pressure.
  • unnecessary heating of the film is avoided due to light generation, if the light anyway, the seibst sacrificende luminescent layer 2 can not leave.
  • the lateral distance d between the edges of a hole in the upper electrode 22 and the edge of the closest insulating material 24 is in the range of 1 pm to 100 ⁇ , preferably between 5 ⁇ and 20 ⁇ .
  • a security element which, in addition to a luminescent layer 2 and a mask layer 4, has an intermediate layer 6.
  • the substrate 7 is arranged, which is a substrate which absorbs, for example, blue light, for example a colored Polyethyienfolie (PET film) with a thickness of 23 ⁇ .
  • the luminescent layer 2 has two electrodes 22, 23, which are formed as ITO or semitransparent Al or Ag electrodes.
  • the lower electrode 23 can also consist of an opaque AI or Ag atode.
  • the luminescent layer 2 emits in this example!
  • Figure 26 shows an embodiment of a security element 1 comprising from top to bottom a masking layer 4, a UV absorbing substrate, e.g. a PET film of a thickness of 23 pm, a printed fluorescent
  • Luminous layer 2 and a UV-transmissive protective layer 9 has.
  • the preparedejement 1 is irradiated from the side of the protective layer 9 ago by a UV lamp.
  • the UV light can pass through the protective layer 9 and reach the printed fluorescent luminous elements 21 of the luminous layer 2.
  • the UV light is converted into green fluorescent light, which pass through the UV absorbing substrate 7 and to the openings 41 of
  • FIG. 27a shows an example of a security element in which mask layer 4 and luminescent layer 2 coincide in a single layer.
  • a UV lamp 8 illuminates the security element and passes through a UV transparent layer, e.g. a 2 pm thick protective layer 9 to the combined light and mask layer 2,4.
  • This combined luminescent and mask layer 2,4 has through holes which are filled with a fluorescent material.
  • the UV light of the UV lamp excites this material to fluoresce, so that the fluorescent light is emitted from the holes in the respective angular direction of the hole.
  • This fluorescent light can penetrate the light-transmissive substrate 7 unhindered and thus reach an observer.
  • FIG. 27 b shows a further example of a security element 1 which, as the luminescent layer 2, is a luminescent, in particular fluorescent, or Phosphorescent layer, used.
  • the luminescent layer 2 is a luminescent, in particular fluorescent, or Phosphorescent layer, used.
  • both the mask layer 4 and the luminescent layer 2 can be used as the luminescent layer 2 .
  • Foil element for example, a laminating film or a Transferiage a transfer film, be applied or an optional print layer 104 may be applied to the substrate 7.
  • Fig. 27b shows this with reference to a schematic side view of a banknote with a transparent core, i. transparent
  • Substrate 7 Light, for example UV light, of an external light source 25, eg a UV LED with wavelength 365 nm ( illuminates the security element 1 from the visible side.)
  • the UV light partially penetrates the mask weft 4, the transparent core of the substrate 7 (FIG. here a polymer bank note) as well as an intermediate layer 6 and then stimulates the luminous layer 2.
  • the luminous layer 2 then emits light in the visible spectral range, eg green light
  • An optional mirror layer 105 behind the luminescent layer 2 further increases the intensity of the light emitted in the direction of the visible side.
  • FIGS. 27c and 27d show photos of the security element 1
  • FIG. 27c shows a photograph of the
  • Safety elements 1 in incident light view It is visible in reflection a Kinegram® patch showing an optically variable effect, which provides a first optical security feature 1 0.
  • Fig. 27c shows a photograph of the optical effect provided by the security element 1 when viewed under illumination with UV light from the facet. It is now here an optically variable effect of a moire magnification of stars visible, which provides a second optical security feature 120.
  • ID identification
  • FIG. 28 shows a first film 4 and a second film 22, which are arranged one above the other at a distance h on the card core 10. Below these two films, a luminescent layer 2 is arranged, which is thus located between the films and the card core.
  • one of the foils is the upper electrode 22, although this foil is also at a different position over the
  • Luminescent layer 2 can be arranged.
  • the top sheet 4 preferably provides another security element, e.g. in the form of a reflection hologram or a kinegram.
  • This film 4 may either be on the upper surface of the card itself or in one of the upper layers of the card with a sufficient vertical distance to the lower film 22.
  • One of the two films 4 and 22 is patterned or partially demetallised.
  • the security document in the form of the PCI card is produced and completed until the last step of the personalization. The card 100 is thus ready for the
  • Personalization step which is carried out by means of a high-power laser 13.
  • a high-power laser 13 Experiments have shown that the energy needed to personalize such a PCI card 100 is greater than the energy needed to demetallize a metallized kinegram or metallized film.
  • the card 100 is held on a tilting device in a personalization station, so that the card can be tilted very precisely to various positions A to E.
  • the card 100 is kept flat and the laser 13 is tilted.
  • the usual text information and person portraits on an ID card are personalized with the laser 13 while the card is kept flat.
  • a local blackening in a laser-sensitive film can be generated by the laser beam.
  • the laser 13 scans the card 100 and uses high energy to ablate material in the top layer 4 in order to initialize the information
  • the card 100 has between 2 and 7 tilt angles, for which The laser 13 carries out a different pattern for each position A to E.
  • the great advantage of this method is that the upper mask layer 4 and the lower intermediate layer 6 are written in the same number, so that a perfect register accuracy is achieved between the two
  • the laser is positioned relatively far away from the card, so that the eyes of the observer reflect the desired viewing direction personalized card 100 having one with the arrangements 41 of openings in the mask layer 4 and the arrangement 61 of openings in the intermediate layer 6, which is simultaneously the upper electrode layer 22 of the luminescent layer 2.
  • Fig. 30 shows a transfer sheet 200. It has been proven that when
  • Film body formed security element 1 is provided in the form of a transfer film 200, so that an application of the security element 1 can be done on a security document 100 by means of embossing.
  • a transfer film 200 has at least one film body 1 to be transferred, wherein the at least one film body 1 is arranged on a carrier film 201 of the transfer film 200 and can be detached therefrom.
  • the transfer film 200 has the following structure from top to bottom: a carrier film 201, an outer protective layer 9, which is preferably designed as a transparent protective lacquer layer and whose upper side forms the visible side 1 1 of the security element 1, a mask layer 4, eg in the form of an OVD, a substrate 7, for example 0.2 mm thick, a luminescent layer 2, a lower protective layer 9, and an adhesive layer 14, the underside of which is the underside 11 of the
  • Security element 1 forms.
  • the transfer sheet 200 is oriented relative to a security document 100 to be marked so that the adhesive layer 14 faces the security document 100 and the carrier sheet 201 of FIG
  • the film body 1 can by means of
  • Adhesive layer 14 in particular in the form of a cold or hot melt adhesive, are fixed to the security document 100.
  • a release layer may be arranged between the carrier film 201 and the film body 1, which facilitates removal of the film body 1 after embossing from the carrier film 201 of the transfer film 20.
  • this detachment function can also be taken over by another layer, e.g. as in the present Beispiet of the upper protective layer. 9
  • Fig. 31 shows a scheme for viewing distance z.
  • a viewer whose eye pair 31, 3r has an eye relief e, viewed vertically from above a security element 1, which has a mask layer 4 with two arrangements 41, 42 of transparent openings and one in the viewing direction at a distance h behind the mask layer 4 arranged luminescent layer 2, formed from individual luminous elements 21 in the form of pixels.
  • Luminaire 21 is associated with an opening of each arrangement 41, 42 of openings, whereby the observer perceives different images ("image flip") depending on the light exposure through one of the two openings 41 and 42.
  • the eyes 3i, 3r are located in one Viewing distance z from the mask layer 4.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)

Abstract

L'invention concerne un élément de sécurité (1). L'élément de sécurité (1) comporte un recto et un verso opposé à celui-ci. L'élément de sécurité comprend au moins une couche luminescente (2) pouvant émettre de la lumière (20) et au moins une couche de masque (4) disposée devant la ou les couches luminescentes (2) lorsque l'élément de sécurité (1) est observé depuis le recto. La ou les couches de masque (4) comportent au moins une zone opaque (5) et au moins deux ouvertures transparentes (41, 42). Les deux ouvertures transparentes (41, 42) ou plus possèdent un degré de transmission sensiblement plus élevé que celui de la ou des zones opaques (5) par rapport à la lumière (20) émise par la ou les couches luminescentes (2), de préférence un degré de transmission supérieur d'au moins 20 %, de préférence encore un degré de transmission supérieur d'au moins 50 %.
EP12791114.7A 2011-10-27 2012-10-26 Élément de sécurité Active EP2771194B1 (fr)

Applications Claiming Priority (2)

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DE102011117044.1A DE102011117044B4 (de) 2011-10-27 2011-10-27 Sicherheitselement
PCT/EP2012/071315 WO2013060877A1 (fr) 2011-10-27 2012-10-26 Élément de sécurité

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EP2771194A1 true EP2771194A1 (fr) 2014-09-03
EP2771194B1 EP2771194B1 (fr) 2015-09-30

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EP (2) EP2771194B1 (fr)
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CN (1) CN104066550B (fr)
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DE (1) DE102011117044B4 (fr)
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DE102004042136B4 (de) 2004-08-30 2006-11-09 Ovd Kinegram Ag Metallisiertes Sicherheitselement
JP4819822B2 (ja) * 2004-11-23 2011-11-24 オレル フュスリィ ズィヒャーハイツドルック アクチエンゲゼルシャフト 光源と光処理装置とを備えたセキュリティドキュメント
DE102004059798A1 (de) * 2004-12-10 2006-06-29 Ovd Kinegram Ag Optisch variables Element mit elektrisch aktiver Schicht
EP2365375B1 (fr) * 2005-05-18 2017-07-19 Visual Physics, LLC Présentation d'images et système de sécurité micro-optique
DE102005039320A1 (de) * 2005-08-19 2007-02-22 Giesecke & Devrient Gmbh Kartenförmiger Datenträger
FR2893424B1 (fr) 2005-11-16 2008-01-25 Arjowiggins Soc Par Actions Si Structure optique, notamment pour un document de securite et/ou de valeur.
DE102006005000B4 (de) 2006-02-01 2016-05-04 Ovd Kinegram Ag Mehrschichtkörper mit Mikrolinsen-Anordnung
DE102007029203A1 (de) 2007-06-25 2009-01-08 Giesecke & Devrient Gmbh Sicherheitselement
JP5131789B2 (ja) * 2008-05-01 2013-01-30 独立行政法人 国立印刷局 画像形成体、真偽判別具及び真偽判別方法
DE102008033716C5 (de) * 2008-07-14 2014-04-17 Bundesdruckerei Gmbh Wert- oder Sicherheitsdokument mit einer Lichtleitstruktur und lokalen Lichtaustrittsstellen an einer Oberseite sowie Verfahren zu dessen Herstellung
DE102008052067A1 (de) 2008-10-17 2010-04-22 Ovd Kinegram Ag Volumenhologramm mit Expansionsmittelschicht bzw. Kontraktionsmittelschicht
FR2948216B1 (fr) * 2009-07-17 2011-11-25 Arjowiggins Security Element de securite a effet de parallaxe
FR2948218B1 (fr) * 2009-07-17 2011-11-11 Arjowiggins Security Element de securite a effet de parallaxe

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AU2012328328A1 (en) 2014-05-08
DE102011117044B4 (de) 2019-05-29
CN104066550B (zh) 2017-04-12
WO2013060874A1 (fr) 2013-05-02
AU2012328331A1 (en) 2014-05-15
DE102011117044A1 (de) 2013-05-02
US20140300095A1 (en) 2014-10-09
US9796204B2 (en) 2017-10-24
US20140312607A1 (en) 2014-10-23
KR102038013B1 (ko) 2019-10-29
AU2012328331B2 (en) 2016-04-21
CA2852654A1 (fr) 2013-05-02
EP2771150A1 (fr) 2014-09-03
CN104066550A (zh) 2014-09-24
EP2771194B1 (fr) 2015-09-30
WO2013060877A1 (fr) 2013-05-02
CA2852590A1 (fr) 2013-05-02
KR20140097216A (ko) 2014-08-06
US9834030B2 (en) 2017-12-05
CA2852590C (fr) 2019-08-27
CA2852654C (fr) 2019-06-11
ES2607129T3 (es) 2017-03-29
EP2771150B1 (fr) 2016-09-14
AU2012328328B2 (en) 2017-03-16

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