EP3302996B1 - Élément de sécurité à effet de variation des couleurs - Google Patents

Élément de sécurité à effet de variation des couleurs Download PDF

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Publication number
EP3302996B1
EP3302996B1 EP16720343.9A EP16720343A EP3302996B1 EP 3302996 B1 EP3302996 B1 EP 3302996B1 EP 16720343 A EP16720343 A EP 16720343A EP 3302996 B1 EP3302996 B1 EP 3302996B1
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EP
European Patent Office
Prior art keywords
security element
color
layer
element according
region
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16720343.9A
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German (de)
English (en)
Other versions
EP3302996C0 (fr
EP3302996A1 (fr
Inventor
Marco Mayrhofer
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.)
Hueck Folien GmbH
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Hueck Folien 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.)
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Publication of EP3302996A1 publication Critical patent/EP3302996A1/fr
Application granted granted Critical
Publication of EP3302996C0 publication Critical patent/EP3302996C0/fr
Publication of EP3302996B1 publication Critical patent/EP3302996B1/fr
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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
    • B42D25/355—Security threads
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials

Definitions

  • the invention relates to a security element for value documents and data carriers with at least two different color shift effects, wherein when the viewing angle is changed, not only the color shift effect is recognizable but also an additional optical effect is created, according to the preamble of claim 1.
  • a security element for protecting valuables with an optically variable layer is known, which also conveys different color impressions at different viewing angles.
  • a semi-transparent color layer is arranged in a limited overlap area above the optically variable layer, the color impression of which is adapted to the color impression of the optically variable layer under predetermined viewing conditions.
  • EP 2 420 391 A a security element with an optically variable layer that has different color impressions at different viewing angles is known, wherein a colored metallic layer is arranged in a defined area above or next to the optically variable layer, wherein the color impression of this layer is the color impression of the optically variable layer is adapted under a defined viewing angle.
  • the object of the invention was to provide a security element which has at least two different colour shift effect areas and increased security against counterfeiting.
  • the invention therefore relates to a security element for banknotes, value documents and data carriers comprising a carrier substrate and a coating which has colour shift effects of the type mentioned at the outset, characterized by the features of the characterising part of claim 1.
  • Carrier films preferably flexible plastic films, for example made of PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, PTFE, ETFE (ethylenetetrafluoroethylene), PFA (tetrafluoroethylene-perfluoropropylvinylether-fluorocopolymer), MFA (tetrafluoromethylene-perfluoropropylvinylether-fluorocopolymer), PTFE (polytetrafluoroethylene), PVF (polyvinyl fluoride), PVDF (polyvinylidene fluoride), and EFEP (ethylene-tetrafluoroethylene-hexafluoropropylene-fluoroterpolymer) are suitable.
  • the carrier films preferably have a thickness of 5 - 700 ⁇ m, preferably 5 - 200 ⁇ m,
  • a coating is applied to the carrier substrate, which consists of different color shift effect structures arranged next to one another in certain areas. According to the invention, these different areas are produced by printing color shift effect printing inks. Pigments that are suitable for the production of such printing inks are, for example, in WO00/31571 A , US$5,278,590 , US$5,135,812 disclosed.
  • the color shift effect can also be realized according to the invention by a layer structure containing an electromagnetic wave-reflecting layer, a polymeric or dielectric spacer layer and an absorption layer, for example a metallic layer or a layer formed from metallic clusters.
  • a layer that reflects electromagnetic waves is applied to the carrier substrate.
  • This layer can preferably consist of metals, such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, of semiconductors, such as silicon, and their alloys, for example nickel/chromium, copper/aluminum and the like, or of a printing ink with metal pigments.
  • the thickness of the layer that reflects electromagnetic waves is preferably about 10 - 50 nm, although higher or lower layer thicknesses are also possible.
  • the polymer or dielectric spacer layer that follows this can also be applied over the entire surface or preferably partially. However, several polymer or dielectric spacer layers can also be applied over the entire surface or partially.
  • polymeric spacer layer(s) consist, for example, of conventional or radiation-curing, in particular U-curing, color or varnish systems based on nitrocellulose, epoxy, polyester, rosin, acrylate, alkyd, melamine, PVA, PVC, isocyanate, urethane or PS copolymer systems.
  • Layers made of S1O2, ZnS, MgF2, T'IO2 or Ta20s can be used as dielectric spacer layer(s).
  • the thickness of the spacer layer can be varied over a wide range, for example in a range from 10 nm to 3 ⁇ m in order to produce different coordinated color shift effects.
  • a full-surface or partial absorption layer made of metallic clusters is then applied to this spacer layer.
  • the metallic clusters can consist of, for example, aluminum, gold, palladium, platinum, chromium, silver, copper, nickel, tantalum, tin and the like or their alloys, such as Au/Pd, Cu/Ni or Cr/Ni.
  • a full-surface or partial metallic layer can be applied as an absorption layer, whereby this layer can consist, for example, of metals such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, or their alloys, for example nickel/chromium, copper/aluminium and the like, or a printing ink with metal pigments.
  • metals such as aluminum, gold, chromium, silver, copper, tin, platinum, nickel or tantalum, or their alloys, for example nickel/chromium, copper/aluminium and the like, or a printing ink with metal pigments.
  • the areas with different color shift effects are applied next to each other.
  • the areas can be arranged directly adjacent to each other, overlapping or in register with an unprinted area between the individual areas, whereby the unprinted area preferably takes up less than 50% of the width of a printed area.
  • the shape of the areas can vary; the areas can be designed as geometric shapes, in the form of waves, arrows, bars, stripes, characters, letters, numbers, symbols and the like.
  • the length of the areas is such that all areas can be viewed from the same viewing angle.
  • Lengths of about 0.5 to 25 mm have proven to be suitable, for example for areas in the shape of bars.
  • the areas can be printed in the form of a gradient in a defined area so as to overlap, i.e. the transition between the areas is soft and flowing and not along a sharp border.
  • FIG. 1 an exemplary embodiment of a security element with three different color shift effects 1, 2, and 3 is shown.
  • the target color in this case a blue color
  • the security element is now tilted so that the viewing angle is around 60°, the blue color disappears from the first area and the target color appears in the second area. If the security element is tilted by a further 30°, i.e. so that the viewing angle is 30°, the blue color disappears from the second area and appears in the third area.
  • the safety element creates the impression of a movement effect of the target color (in this case blue) when tilted.
  • the differences between the individual colors are softened by the color transitions and the movement of the target color tone is not abrupt but fluid.
  • the security element has two repeating areas , 2 with different color shift effects on a transparent carrier film.
  • Figure 2a is an embodiment analogous Fig.2 shown, but a further absorption layer 11 is provided below the color shift effect layers 1, 2, 3 to enhance the color shift effect.
  • the absorption layer can be a layer made of an absorbent printing ink, preferably a dark, in particular black, printing ink or else a metallic layer or a layer made of a metal compound, for example of non-stoichiometric aluminum oxide or stoichiometric or non-stoichiometric copper oxide, which was applied, for example, by vapor deposition or sputtering.
  • Fig.3 The embodiment is shown, which as in Fig.1 shown, has three different color shift effects 1 , 2, 3, which in this case were applied in an overlapping manner in some areas.
  • the security element shows color gradient zones or a color gradient with overlapping areas 13.
  • FIG. 5 A further preferred embodiment is shown.
  • the areas 1, 2, 3 which have the different color shift effects are not implemented over the entire width of the security element; in the remaining area of the security element, a print layer 4, 5, 6 is applied, the color of which corresponds to the respective color shift effect area when viewed at an angle of 90°.
  • the target color can be seen moving from one area to another in the area of the different color shift effects. No color change occurs in the area of the printing color. The color of the printing area remains unchanged and is then different to the color tone of the color shift effect area.
  • the color of the color shift effect can initially correspond to the color impression of the printing color under any other viewing angle, with the effect described above then occurring analogously when the viewing angle is changed.
  • Fig.6 an embodiment is shown in which recesses 12 in the form of numbers or symbols are provided in the color shift effect layer areas 1, 2.
  • These recesses can be made by recesses in the color shift effect printing layer or, if the color shift effect layer is realized by a multilayer structure consisting of an electromagnetic wave reflecting layer, a spacer layer 8 and an absorption layer 9 made of a metallic layer or a layer formed from metallic clusters, by recesses in the electromagnetic wave reflecting layer 7 and/or the absorption layer 9 ⁇
  • the recesses can be in the form of geometric shapes, characters, letters, numbers, lines or symbols and can be provided in one or more of the areas with different color shift effects. No recess is provided in the color shift effect layer area 3.
  • FIG 8 An embodiment is shown in which the areas of different color shift effects 1, 2, 3 are designed in a wave shape. In the individual areas, recesses 12 in the form of letters are provided.
  • the carrier substrate has a lacquer layer of an optically active structure, for example a diffraction structure, a hologram, a surface relief or the like, under the layer with the areas of different color shift effects.
  • This lacquer layer can optionally be combined with a reflection layer (not shown), for example a metallic reflective layer, which is not shown in Fig. 10.
  • the security element can also be designed as a transfer material, wherein the security element is then fixed to the object to be secured by means of an adhesive layer and the carrier substrate is then removed if necessary.
  • the carrier substrate may be advantageous to provide with a release layer before applying the security features.
  • the security element according to the invention can also have further security features, which can be present in further layers. These security features can be located below or above the layer which has the color shift effect according to the invention, whereby care must be taken not to disturb the impression of the moving color shift effect.
  • the additional security features can also be printed in unprinted areas or instead of at least one of the Fig.5
  • the pressure ranges 4, 5, 6 shown may be provided.
  • These security features can have certain chemical, physical and also optical or optically active properties.
  • Paramagnetic, diamagnetic and also ferromagnetic substances such as iron, nickel and cobalt or their compounds or salts (e.g. oxides or sulfides) can be used to adjust the magnetic properties of a layer.
  • magnétique pigment paints with pigments based on Fe oxides, iron, nickel, cobalt and their alloys, barium or cobalt ferrites, hard and soft magnetic iron and steel types in aqueous or solvent-based dispersions.
  • solvents that can be used are i-propanol, ethyl acetate, methyl ethyl ketone, methoxypropanol and mixtures thereof.
  • the pigments are incorporated in acrylate polymer dispersions having a molecular weight of 150,000 to 300,000, in nitrocellulose, acrylate-urethane dispersions, acrylate-styrene or PVC-containing dispersions or in solvent-containing dispersions of this type.
  • the magnetic layer can also have a coding. Magnetic materials with the same coercivity and/or remanence as well as different coercivity and/or remanence can be used to form the coding.
  • the electromagnetically reflective metallic layer of the color shift effect setup can itself have magnetic properties. This is achieved, for example, by using a magnetic material such as Fe, Ni, Co.
  • metal pigments such as copper, aluminum, silver, gold, iron, chromium and the like
  • metal alloys such as copper-zinc or copper-aluminum or even amorphous or crystalline ceramic pigments such as ITO and the like
  • doped or non-doped semiconductors such as silicon, germanium or ion conductors such as amorphous or crystalline metal oxides or metal sulfides can be used as additives.
  • polar or partially polar compounds such as surfactants or non-polar compounds such as silicone additives or hygroscopic or non-hygroscopic salts can be used or added to adjust the electrical properties of the layer.
  • optical properties of the layer can be influenced by visible dyes or pigments, heat-sensitive colors or pigments. These can be used individually or in all possible combinations.
  • Optically active features here include diffraction structures, diffraction gratings, kinegrams, holograms, DID ® (0th order microstructures in combination with thin films).
  • optically active features can be created, for example, by known UV embossing processes, such as those used in EP 1 310 381 A described or produced by hot stamping processes.
  • optically active features can optionally be combined with a full-surface or partial reflection layer, for example with a metallic reflective layer or an HRI layer (high refractive index layer).
  • This adhesive coating can be in the form of a hot-seal, cold-seal or self-adhesive coating.
  • the adhesive can also be pigmented, whereby all known pigments or dyes can be used as pigments, for example T'IO2, ZnS, kaolin, ATO, FTO, aluminum, chromium and silicon oxides or, for example, organic pigments such as phthalocyanine blue, i-indolide yellow, dioxazine violet and the like.
  • luminescent dyes or pigments that fluoresce or phosphoresce in the visible, UV or IR range, heat-sensitive colors or pigments can be added. These can be used in all possible combinations.
  • luminescent pigments can also be used. used alone or in combination with other dyes and/or pigments.
  • the security element can also be protected by one or more protective lacquer layers, which can be pigmented or unpigmented, or can be further refined, for example, by laminating or the like. If necessary, the security element can also be provided with an adhesive layer on one or both sides, for example with a cold or hot sealing layer or a self-adhesive coating.
  • the security elements according to the invention are therefore suitable, if appropriate after appropriate packaging, as security features in data carriers, in particular value documents such as identity cards, cards, banknotes or labels, seals and the like, but also as packaging material, for example in the pharmaceutical, electronics and/or food industries, for example in the form of blister films, folding boxes, covers, film packaging and the like.
  • the substrates or security elements are preferably cut into strips or threads or patches, whereby the width of the strips or threads can preferably be 0.05 - 10 mm and the patches preferably have average widths or lengths of 0.3 - 20 mm.
  • the security element is preferably cut into strips, tapes, threads or patches, the width of the threads, strips or tapes preferably being 0.05 - 50 mm and the patches preferably having average widths and lengths of 2 - 30 mm.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)

Claims (11)

  1. Élément de sécurité pour billets de banque, documents de valeur et support de données comprenant un substrat porteur (7) et un revêtement qui présente des effets de changement de couleurs, dans lequel le revêtement comprend des parties qui se répètent (1, 2, 3) avec différents effets de changement de couleurs, dans lequel les parties sont respectivement harmonisées entre elles de sorte, lors d'une variation constante de l'angle d'observation, la couleur initiale d'une première partie est visible d'abord dans une partie distante de cette première partie ou dans une partie se superposant au moins partiellement avec cette première partie et, lors d'un changement supplémentaire de l'angle de vue, est visible dans d'autres parties respectivement adjacentes, distantes ou superposées, caractérisé en ce que les parties à différents effets de changement de couleurs (1, 2, 3) sont constituées d'une couche d'impression constituée de couleurs d'impression à effets de changement de couleurs ou d'un revêtement constitué d'une couche réfléchissant les ondes électromagnétiques, d'une couche d'écartement et d'une couche absorbante.
  2. Élément de sécurité selon la revendication 1, caractérisé en ce que les parties à différents effets de changement de couleurs (1, 2, 3) sont réalisées sous la forme d'ondes, de flèches, de barres, de bandes, de caractères, de lettres, de chiffres, de symboles.
  3. Élément de sécurité selon la revendication 1 ou 2, caractérisé en ce que le revêtement avec différents effets de changement de couleurs (1, 2, 3) n'est pas réalisé sur toute la largeur de l'élément de sécurité.
  4. Élément de sécurité selon la revendication 3, caractérisé en ce que l'élément de sécurité comprend, dans la partie non munie du revêtement avec différents effets de changement de couleurs, une couche d'impression qui correspond, concernant la couleur, respectivement à celle de la partie avec effet de changement de couleur lors d'une observation sous un angle de 90°.
  5. Élément de sécurité selon l'une des revendications 1 à 4, caractérisé en ce que la suite de parties avec différents effets de changement de couleurs est à contre-sens sur la longueur de l'élément de sécurité.
  6. Élément de sécurité selon l'une des revendications 1 à 5, caractérisé en ce que, sous les revêtements avec différents effets de changement de couleurs, est prévue une couche d'absorption afin d'amplifier l'effet de changement de couleur.
  7. Élément de sécurité selon l'une des revendications 1 à 6, caractérisé en ce que, dans une ou plusieurs des parties avec différents effets de changement de couleurs, sont prévus des évidements (9) présentant la forme de formes géométriques, de signes, de lettres, de chiffres, de lignes ou de symboles.
  8. Élément de sécurité selon l'une des revendications 1 à 7, caractérisé en ce qu'il est muni sur un côté ou sur les deux côtés d'une couche de peinture de protection.
  9. Élément de sécurité selon l'une des revendications 1 à 8, caractérisé en ce qu'il est muni sur un côté ou sur les deux côtés d'un revêtement adhésif.
  10. Élément de sécurité selon l'une des revendications 1 à 9, caractérisé en ce qu'il est conçu comme un élément de transfert.
  11. Utilisation de l'élément de sécurité selon l'une des revendications 1 à 10 destiné à être intégré dans et/ou appliqué sur des documents de valeur, des supports de données ou des emballages.
EP16720343.9A 2015-05-29 2016-04-14 Élément de sécurité à effet de variation des couleurs Active EP3302996B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA341/2015A AT517320B1 (de) 2015-05-29 2015-05-29 Sicherheitselement mit Farbkippeffekt
PCT/EP2016/000615 WO2016192828A1 (fr) 2015-05-29 2016-04-14 Élément de sécurité à effet de variation des couleurs

Publications (3)

Publication Number Publication Date
EP3302996A1 EP3302996A1 (fr) 2018-04-11
EP3302996C0 EP3302996C0 (fr) 2024-04-10
EP3302996B1 true EP3302996B1 (fr) 2024-04-10

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EP16720343.9A Active EP3302996B1 (fr) 2015-05-29 2016-04-14 Élément de sécurité à effet de variation des couleurs

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EP (1) EP3302996B1 (fr)
AT (1) AT517320B1 (fr)
WO (1) WO2016192828A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022000101A1 (de) * 2022-01-12 2023-07-13 Giesecke+Devrient Currency Technology Gmbh Optisch variables Sicherheitselement

Citations (4)

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Publication number Priority date Publication date Assignee Title
EP0105099A1 (fr) * 1982-10-04 1984-04-11 LGZ LANDIS & GYR ZUG AG Document comportant un élément de sécurité à diffraction optique
DE102005011612A1 (de) * 2004-08-13 2006-02-23 Giesecke & Devrient Gmbh Datenträger mit einer optisch variablen Struktur
WO2009050448A1 (fr) * 2007-10-19 2009-04-23 De La Rue International Limited Dispositif de sécurité à cristaux photoniques et procédé
DE102010052665A1 (de) * 2010-11-26 2012-05-31 Giesecke & Devrient Gmbh Reflektierendes Sicherheitselement für Sicherheitspapier, Wertdokumente oder dergleichen

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US5135812A (en) 1979-12-28 1992-08-04 Flex Products, Inc. Optically variable thin film flake and collection of the same
US5766738A (en) * 1979-12-28 1998-06-16 Flex Products, Inc. Paired optically variable article with paired optically variable structures and ink, paint and foil incorporating the same and method
US5278590A (en) 1989-04-26 1994-01-11 Flex Products, Inc. Transparent optically variable device
DE10042461C2 (de) 2000-08-29 2002-11-07 November Ag Molekulare Medizin Verfahren zur fälschungssicheren Markierung von Gegenständen und fälschungssichere Markierung
AT502139A1 (de) 2001-11-09 2007-01-15 Hueck Folien Gmbh Bahnförmige materialien mit oberflächenstruktur, verfahren zu deren herstellung und deren verwendung
AT504587A1 (de) 2004-02-16 2008-06-15 Hueck Folien Gmbh Fälschungssicheres sicherheitsmerkmal mit farbkippeffekt
DE102004049118A1 (de) 2004-10-07 2006-04-13 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
CN102171055B (zh) * 2008-10-03 2013-09-18 锡克拜控股有限公司 具有特定反射波长的成对光学可变安全要素
AT510220B1 (de) 2010-07-19 2013-07-15 Hueck Folien Gmbh Sicherheitselement mit einer optisch variablen schicht
DE102011119598A1 (de) * 2011-11-29 2013-05-29 Ovd Kinegram Ag Optisch variables Element
CA2879844A1 (fr) * 2012-08-01 2014-02-06 Sicpa Holding Sa Bandes et fils de securite optiquement variables
BR112015003927A2 (pt) * 2012-08-29 2017-07-04 China Banknote Printing & Minting Corp filete ou listra de segurança, processo para fazer o filete ou listra de segurança, uso do filete ou listra de segurança, documento de segurança e processo para fazer o substrato de segurança.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105099A1 (fr) * 1982-10-04 1984-04-11 LGZ LANDIS & GYR ZUG AG Document comportant un élément de sécurité à diffraction optique
DE102005011612A1 (de) * 2004-08-13 2006-02-23 Giesecke & Devrient Gmbh Datenträger mit einer optisch variablen Struktur
WO2009050448A1 (fr) * 2007-10-19 2009-04-23 De La Rue International Limited Dispositif de sécurité à cristaux photoniques et procédé
DE102010052665A1 (de) * 2010-11-26 2012-05-31 Giesecke & Devrient Gmbh Reflektierendes Sicherheitselement für Sicherheitspapier, Wertdokumente oder dergleichen

Also Published As

Publication number Publication date
WO2016192828A1 (fr) 2016-12-08
EP3302996C0 (fr) 2024-04-10
AT517320A1 (de) 2016-12-15
EP3302996A1 (fr) 2018-04-11
AT517320B1 (de) 2020-04-15

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