EP0435029B2 - Support d'information avec élément de sécurité à cristaux liquides - Google Patents

Support d'information avec élément de sécurité à cristaux liquides Download PDF

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Publication number
EP0435029B2
EP0435029B2 EP90123341A EP90123341A EP0435029B2 EP 0435029 B2 EP0435029 B2 EP 0435029B2 EP 90123341 A EP90123341 A EP 90123341A EP 90123341 A EP90123341 A EP 90123341A EP 0435029 B2 EP0435029 B2 EP 0435029B2
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EP
European Patent Office
Prior art keywords
liquid crystal
data carrier
security element
carrier
crystal material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP90123341A
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German (de)
English (en)
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EP0435029B1 (fr
EP0435029A2 (fr
EP0435029A3 (en
Inventor
Christoph Heckenkamp
Gerhard Schwenk
Jürgen Moll
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GAO Gesellschaft fuer Automation und Organisation mbH
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GAO Gesellschaft fuer Automation und Organisation mbH
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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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/355—Security threads
    • B42D2033/26—

Definitions

  • the invention relates to data carriers, such as securities or identity cards with a optically variable security element that serves as an authenticity feature and different color impressions at different viewing angles mediates, and which contains a liquid crystalline material containing a liquid crystal polymer is, which in oriented form at room temperature as a solid is present and in which the liquid crystalline state in a polymer matrix is frozen.
  • the invention also relates to a method for producing the data carrier.
  • optically variable elements as security elements propagated. Such elements have in common that depending on lighting and viewing conditions different color or brightness renditions exhibit.
  • optically variable elements include diffraction gratings, Holograms, interference coatings, metameric colors and polarizing coatings.
  • a card is already from WO-A-82/02445 known that contains optically recognizable markings, these markings in turn with a liquid crystal element are covered.
  • the normal state is the liquid crystalline layer opaque so that the mark underneath is not can be seen.
  • By inserting the card in the liquid crystal is an electric field But put the layer in a transparent state, so that the marking for test purposes becomes recognizable.
  • Holograms and gratings are based on diffraction effects.
  • Interference coatings exist usually from several superimposed ones Layers, the layer thicknesses in size the wavelength of light.
  • Metameric printing inks usually exist from mixtures of pigments with different Remission gangs. This composition causes a change in the type of lighting the metameric colors their visual color impression change.
  • Dichroic dyes have the property white light depending on the polarization direction in different Absorb wavelength ranges. The result is a polarization-dependent color impression.
  • liquid crystal polymers are more appropriately oriented Manufacture a plastic-like one at room temperature Solid body with a pronounced Color interplay.
  • Such a suitable manufacturing process consists, for example, of doctoring of the still liquid material on a base and the subsequent curing by UV radiation.
  • liquid crystal polymers in particular liquid crystal silicone polymers and cholesteric organopolysiloxanes.
  • suitable Liquid crystal polymers, their chemical structure and their manufacture are published in the Patent applications EP-OS 0 136 501, EP-OS 0 060 335 and EP-PS 0 066 137. On the disclosure content of these publications expressly referred.
  • Liquid crystals behave despite a structural one Anisotropy usually like a liquid, which is why it is necessary to use these materials enclosed in capsules or cavities. From this results in a complicated manufacturing technique.
  • the complex encapsulation of the FK materials it is because of the risk of injury to the cavities or capsules not possible the suggested Security elements in the conventional Way under pressure and heat application (classic laminating technology) in foils or identity papers embed.
  • the suggested Security elements in the conventional Way under pressure and heat application (classic laminating technology) in foils or identity papers embed.
  • Liquid crystals can, however, also be used accordingly Processing in solid form and depending on the processing method have high level alignment of their molecules, whereby the optically variable properties in full Stand out in scope and in full brilliance. at exceeds the LC systems according to the invention the color purity of the reflected light is rare a range of 100 nm, the color change effects with the change in the viewing angle are very pronounced, the reflected and transmitted Light has a pronounced circular polarization on.
  • the fully trained optically variable Properties make such FK polymers in particularly suitable for use as Security element on data carriers, securities and ID cards. The color changing games are themselves easy to observe for laypeople.
  • the wavelength selective Make reflectivity and the polarization effects the material highly suitable for one automated testing.
  • the object of the invention is to further modify the known security feature. This task is carried out by the independent Features mentioned claims solved.
  • the invention makes itself known take advantage of the fact that due to the IR transmission of the LC polymers Machine features can be arranged under the FK polymers.
  • the solid state properties of the FK polymers significantly ease it out of them To manufacture security elements. For the first time it does not apply enclosing the liquid crystals in one Hollow body, secondly there is no risk of Bursting and leakage of the liquid crystals during subsequent processing steps and during the life of the disk.
  • the Design manufacturing processes and the application very easy.
  • the plastic-like properties of the Liquid crystal polymers enable easy Processing to semi-finished or finished product.
  • the starting material is generally as granules and can be used with those from plastic production known methods and machines shaped and processed. Thereby it becomes in the field of security technology possible, entirely on the basis of LC polymers different types of security elements manufacture and various use cases cover.
  • So carrier webs can be made from a tearproof Plastic coated with a layer of FK polymer become.
  • the resulting web of material can subsequently become narrow webs or threads to be cut in as security threads Paper or other substances can be embedded can.
  • multi-layer Foil sheets are made that have an embedded Contain a layer of an FK polymer.
  • Such sheets can be used as adhesive or transfer tapes be designed to stick on or stamping transfer elements on paper or plastic surfaces.
  • FK polymers can also be used as Produce self-supporting foils. These slides can for example as film layers for multilayer ID cards are used.
  • FIGS. 9a and b relate to FIGS. 9a and b, not the invention.
  • FK polymers are a special variant of Liquid crystals, in which the liquid crystalline Is "frozen" in a polymer matrix, which makes the optical properties special stand out significantly. So absorb liquid crystal polymers usually no light, their coloring arises from multiple interference of light at the individual crystal levels. The color impression in reflected and transmitted light is accordingly different. Contains the reflected color spectrum only a narrow frequency range around a central one Wavelength and thereby shows a high Color saturation. The transmitted spectrum is complementary to reflect and shows a slump in the range around the central wavelength.
  • the lattice constants of inventive oriented FK polymers can range from 300 nm to 1,000 nm set or at Synthesis can be defined so that the reflected Central wavelength with vertical incidence in the near Infrared or in the visible. With flatter the observation angle that shifts Central wavelength of the reflection band in the direction shorter wavelengths. For example the wavelength reflected in supervision in comparison for reflection at 60 ° larger by approx. 20%.
  • Fig. 1 shows the spectral reflection R one FC layer with vertically incident lighting in curve 1 and with one direction of illumination of 60 ° in curve 2.
  • the color impression can accordingly for special FK polymers from green to violet, from yellow to blue, from light red to green or with an IR reflection band of black change to red.
  • the lattice constant and therefore the basic color of the liquid crystal polymer depends on the exact chemical structure of the liquid crystal and can by the synthesis conditions defined in the range between 300 and 1,000 nm can be set.
  • Fig. 2 shows an application of an LC polymer for a window security thread.
  • a security thread 13 during papermaking is embedded in such a way that he was in the windows 14 on the surface of the paper lies and is therefore visually recognizable.
  • the width of such fluctuates Security threads between 0.5 and a few Millimeters.
  • FIG. 3 shows a first variant in cross section for a security thread 13a; it consists of one Plastic carrier 20, preferably for this a polyester film with a typical thickness of 20 - 100 microns used.
  • the carrier 20 is on one side with a thickness of several micrometers Layer 21 coated from an FK polymer.
  • Layer 21 coated from an FK polymer.
  • the film 20 is preferred colored black.
  • the thread is during the papermaking so oriented that the liquid crystal layer is present on the visible outer surface.
  • Fig. 4 shows in cross section as a further variant a security thread 13b with a symmetrical Layer structure.
  • Symmetrical security threads have the advantage that during the embedding in the paper does not depend on the orientation must pay attention to the thread.
  • the thread 13b is made of two carrier films 20, both one-sided coated from a layer 21 of LC polymers are.
  • the carrier films 20 are with a laminating agent 22 connected so that a symmetrical layer structure with external FK layers are created.
  • To the richness of color you can choose to increase the carrier webs 20 and / or the laminating agent 22 with Color transparent or pigment colors. A In terms of manufacturing technology, it is only the Coloring agent 22, preferably opaque black is used for this.
  • Fig. 5 shows a further variant of a symmetrical constructed security thread 13c in Cross-section.
  • the carrier films 20 on the outer sides of the thread 13c and thus protect the internal FK layers 21 from damage.
  • the lamination mediator colored with a dye. Because the outside Backing layers 20 must remain transparent, they either fail or become weak colored.
  • FIG. 6a and 6b show a further variant of a security thread 13d in cross section (Fig. 6a) and in supervision (Fig. 6b).
  • the thread 13d has analogous to FIG. 5, a symmetrical layer structure from two carrier films 20, two FK layers 21 and an adhesive layer 22.
  • a Manufacturing process became the thread of two coated film pairs 30, 31 assembled.
  • Print image 34 provided in black color and although on the surface of a FK polymer layer in a conventional printing process
  • Alphanumeric characters applied in micro script In addition, a transparent lamination agent 22 used. Appear in transmitted light now in the window areas of the paper the characters black in front of the optically variable Color background of the polymer layer. In incident light however, only the micro characters show one Color change.
  • the security thread 6a and 6b are the characters 34 in green microprint on one of the FK layers applied while the lamination agent 22nd is colored black.
  • the FK material chosen so that it is under a certain Viewing angle, for example under a vertical one Incidence on the black background appears in green.
  • the total area then appears at this angle green.
  • the viewing angle changes the color of the FK polymer layer changes, while in the font the green hue remains dominant. The result is a security thread whose writing only when the Thread becomes visible.
  • the security thread consists of a carrier film 20 and a layer 21 made of LC polymers.
  • the polymer layer was made in a conventional Printing process with a pattern of different colored, diagonal stripes 40 printed.
  • pattern 40 red 41, yellow 42, green 43, blue 44 selected Patterns repeated any number of times over the thread length.
  • the FK polymer can with appropriate color matching of the FK polymer with the colored stripes with the one shown Arrangement when the thread is tilted Illusion of a moving along the thread colored stripe.
  • Analogous 5 this embodiment variant can also be used to a security thread with a symmetrical Expand layer structure.
  • the variants shown in Figs. 3-7 can depending on the desired appearance can be varied in many ways.
  • the optically variable Effects of the FK polymers can be Coloring any layers with "classic" Combine colors, being both dyes transparent dyes as well as pigment dyes can be used.
  • the dyes themselves can be in any layer (also in the FK layer, then only in low concentrations) of the security thread and / or as a printed image on any other Layer of thread to be applied.
  • the variants of Security threads can be based on a produce a single semi-finished product.
  • a film web 20 from a Backing material such as polyester plastic with a Layer 21 of FK polymers coated.
  • the thickness of the film web is preferably in the range of less than a tenth of a millimeter, for the FK coating there is usually a film thickness of about 10 microns is sufficient.
  • the typical web widths of the semi-finished product in the range of one meter.
  • the thread width depends on the desired application between an area from 0.5 - 5.0 mm.
  • the threads thus obtained are particularly suitable for embedding in paper, can also between the plastic layers an ID card can be embedded.
  • Another class of security elements form the transfer elements, they are often up Credit cards, ID cards, banknotes, securities and the like applied to them from counterfeiting and especially before duplication protect by copying.
  • Security elements on the base are also suitable of FK polymers due to their optically variable Characteristics.
  • the transfer elements are after the transfer process of carrier tapes on the surface of the objects to be protected transfer.
  • the 8a and 8b show an identification card 50 with a symbolically indicated data record 49 and with a transfer security element 51 in supervision and as a sectional view.
  • the security element 51 contains a layer of an FK polymer, which is why it is typical of these materials Has color change interactions.
  • Fig. 8b shows a section through the ID card along the line l / l in Fig 8a.
  • the height of the element is strong exaggerated, usually it is only a few 10 microns.
  • Lie on the substrate 53 successively an adhesive layer 54, a protective lacquer layer 55, an FK layer 56 and to the outside final protective lacquer layer 57.
  • This security element this in a very simple Embodiment is shown, can be varied Ways vary.
  • Fig. 8 crest shape 61 shown is therefore representative for a strip, a seal, a company logo, an alphanumeric character, a number, Guilloche pattern, etc.
  • shape of the Outline 61 receives the optically variable element an individual expression.
  • FIG. 9a and 9b show in supervision and as Sectional view of an application variant according to the invention, in the map data with an FK element at the same time inconspicuous camouflaged and protected from falsification.
  • FK polymers with visually visible color change interactions are mostly transparent and in the infrared can thus be effortlessly in the infrared range legible codes can be combined.
  • the first printing process was done on the surface a card 70 with an IR absorbent Ink 71 applied a code 72.
  • this IR coding 72 an IR-transparent, in the visible spectral range but opaque opaque color 73 overprinted.
  • an FK security element was created 74 on this area on the Cover color 73 sealed.
  • Fig. 10 shows the structure of a transfer belt 100 in cross section as it is for applying Security elements with an LC layer on one Substrate surface is suitable.
  • a carrier film 101 On a carrier film 101 there are successively a layer of wax 102, a protective lacquer layer 103, a Layer of an FK polymer 104, a color layer 105 and a hot glue layer 106.
  • Die Carrier film preferably consists of a tear-resistant Plastic (polyester) with a thickness in the area less than a tenth of a millimeter.
  • the remaining layers of a transfer belt usually a thickness of a few micrometers up to a few 10 micrometers.
  • the one on the Form layers 103-106 lying in the wax layer the later security element.
  • the transfer belt can be of color effects during colored in different layers during its manufacture or printed.
  • the substrate becomes the transfer belt 100 as shown in FIG. 11, with the hot-melt adhesive layer 106 on the Substrate 111 placed and pressed.
  • the pressing is done with a heated transfer stamp 112 or alternatively with a transfer roller. Under pressure and heat combines the hot glue layer with the substrate. simultaneously melts the separation layer 102 and enables this Peeling off the carrier material 101.
  • FK polymers can also be processed into films. In this form, they are particularly suitable as large or full-surface security elements for multi-layer ID cards.
  • a laminated ID card 120 which consists of a Paper liner 121 and two external thermoplastic Cover foils 122 and 123 exist.
  • the Layers are applied under pressure and heat pressed into a compact ID card.
  • the card information is usually on printed on the ticker, in the example shown an image of the holder 124, card data 125 and a Has company logo 126.
  • To increase the security against counterfeiting was in between building the map the ticking and the top cover foil in the left half of the card is a film made of FK polymer 127 inserted.
  • the color change interactions of the liquid crystal film can be through the transparent cover film watch, with the colored printed company logo 126 additional color effects added.
  • FK connections network under the influence high energy (e.g. UV) radiation and This is the only way to form a chemically stable film.
  • Unexposed, i.e. H. unhardened areas can be removed with solvents.
  • Analogous to the known phototechnical processes of Semiconductor and printing plate manufacturing technology can be used to define a defined area of a FK film exposed through a mask and then the coating in the unexposed areas be chemically removed so that patterns, Letters, numbers etc. arise.
  • Such slides are preferably made of a liquid crystal substance manufactured.
  • the LC substance processed on a roller mill.
  • the alignment necessary for the optical effects the liquid crystal molecules are caused by shear forces, that occur during rolling.
  • the so made Foil material is particularly suitable for production of ID cards, but can also be other authenticity marks, such as a security thread.
  • Liquid crystal polymers are particularly suitable Way their polarization properties and their Wavelength selectivity.
  • the reflected light is initially spectrally on a range around the central wavelength constricted, moreover it becomes unpolarized Light in liquid crystal operators in right and left rotating components disassembled. ever according to the chemical composition of the polymer only one of the two parts is reflected while the complementary part is transmitted.
  • One way of machine testing is the following on a film made of FK polymer depicted on a black, complete absorbent carrier 128.
  • element 130 is placed under a predetermined angle with an unpolarized Light beam 131, for example an incandescent lamp 129 illuminated. After reflection, the light beam hits 132 to the detector system shown in FIG. 14 133 with which the detection of the spectral Filtering and circular polarization performed becomes.
  • the structure of the detector system 133 shows Fig. 14. Passes through detector system 133 the reflected beam 132 is initially a color filter 141, the only light of the expected central wavelength lets happen. Then the light beam hits a lambda / 4 plate 142, which is the circular polarization converted to a linear polarization. Subsequently the light falls on a 1: 1 beam splitter 143, from where the two partial beams 144, 145 on two detectors 146, 147 arranged in front of it Polarization filters 148, 149 arrive.
  • the polarization planes 150, 151 of the two filters are available perpendicular to each other, they are at the same time under both optical axes of the Lambda / 4 plate 45 ° aligned.
  • the detector system can be realized in many ways.
  • 15 shows as a maintenance friendly alternative an arrangement using optical fibers.
  • the basis of the optical arrangement is again Fig. 13.
  • the detector system 133 runs through the light beam 132 first reflected a color filter 161 for checking the central wavelength.
  • Lambda / 4 plate 162 becomes the circular Polarization converted to linear.
  • a coupling optics 153 couples the light beam 132 into Optical fiber system 154, known beam switches split the beam into equivalent sub-beams. At the end of each sub-bundle there is a pair of polarizers and detectors 155/156 and 157/158 for the two different directions of polarization.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Credit Cards Or The Like (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
  • Burglar Alarm Systems (AREA)

Claims (20)

  1. Support de données tel qu'un papier-valeur, ou une carte d'identification avec un élément de sécurité optiquement variable, sui sert de caractéristique d'authenticité et qui fournit, pour différents angles d'observation, des impressions de couleurs différentes et qui contient un matériau à cristaux liquides, constitué par un polymère contenant des cristaux liquides, qui sous forme orientée à température ambiante, est présent sous la forme d'un corps solide et par l'intermédiaire duquel l'état de cristaux liquides est gelé dans une matrice polymère, caractérisé en ce que, sur le support de données, est disposé sous l'élément de sécurité un codage (72) non visible visuellement.
  2. Support de données selon la revendication 1, caractérisé en ce que le matériau est un polymère de silicone réticulé à cristaux liquides.
  3. Support de données selon la revendication 1, caractérisé en ce que le matériau est un organopolysiloxarie réticulé ou un orgario-oxysilane réticulé ou une composition réticulée avec un organopolysiloxane ou un organo-oxysilane.
  4. Support de données selon 1a revendication 1, caractérisé en ce que le polymère à cristaux liquides est présent sous forme de couche ou de film dans l'élément de sécurité ou dans le support de données.
  5. Support de données selon la revendication 4, caractérisé en ce que la couche ou le film est présent, une pluralité de fois dans chaque cas, sur des feuilles de support (20), qui sont reliées par paires l'une à l'autre au moyen d'un agent de stratification (22) de telle façon qu'il en résulte une structure à couches symétriques (13c, 13d).
  6. Support de données selon la revendication 4, caractérisé en ce qu'au moins l'une des surfaces de l'élément de sécurité est imprimée avec des encres (34, 40) transparentes, absorbantes et/ou réfléchissantes ou bien une couche de l'élément de sécurité est colorée avec des encres de ce type.
  7. Support de données selon la revendication 6, caractérisé en ce que l'élément de sécurité est dans une zone (60) imprimée et/ou munie d'inscriptions du support de données.
  8. Support de données selon au moins l'une des revendications 1 à 7, caractérisé en ce que le polymère à cristaux liquides est traité pour être sous forme de feuille (127).
  9. Support de données selon la revendication 8, caractérisé en ce que la feuille (127) est introduite, en tant qu'élément de sécurité dans la structure d'un support de données multicouche (120).
  10. Support de données selon la revendication 9, caractérisé en ce que la feuille constitue une feuille de couverture (122, 123) du support de données.
  11. Procédé de fabrication d'un support de données avec un élément de sécurité optiquement variable qui sert de caractéristique d'authenticité et qui fournit pour différents angles d'observation, des impressions de couleurs différentes selon au moins l'une des revendications précédentes, caractérisé en ce qu'il comprend les étapes consistant:
    à appliquer un codage non visible visuellement sur le support de données;
    à appliquer le matériau polymère à cristaux liquides encore liquide sur une surface de support;
    à orienter le matériau polymère contenant des cristaux liquides par application mécanique de forces de cisaillement;
    à durcir le matériau orienté pour obtenir un corps solide, de sorte que l'état de cristaux liquides soit gelé dans la matrice polymère,
    à appliquer ou insérer le matériau de corps solide à cristaux liquides dans un ou sur la structure à couches de support de données, au-dessus du codage.
  12. Procédé selon la revendication 11, caractérisé en ce qu'on applique le matériau polymère contenant des cristaux liquides encore à l'état liquide sur une feuille de support séparée.
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que l'orientation est obtenue par égalisation à la racle du matériau polymère à cristaux liquides.
  14. Procédé selon la revendication 11, caractérisé en ce que la surface de support est un rouleau d'impression sur lequel la matériau polymère à cristaux liquides est appliqué directement par raclage ou laminage, et à partir duquel le matériau polymère contenant des cristaux liquides est, au moyen d'un procédé d'impression, transféré sur une surface du support de données.
  15. Procédé selon la revendication 11, caractérisé en ce que le durcissement est obtenu par un apport défini d'énergie.
  16. Procédé selon la revendication 15, caractérisé en ce que l'apport d'énergie est produit par irradiation par de la lumière ultra-violette ou infrarouge.
  17. Procédé selon la revendication 15, caractérisé en ce que l'apport d'énergie est produit par un faisceau d'électrons.
  18. Procédé selon la revendication 11, caractérisé en ce le matériau polymère à cristaux liquides constitue sur la surface de support un film autoportant qui est séparé après le durcissement.
  19. Procédé selon la revendication 11, caractérisé en ce que le matériau polymère à cristaux liquides est transféré, sous une forme orientée et durcie, depuis la surface de support sur le support de données ou sur une couche du support de données, dans un procédé de transfert.
  20. Procédé selon au moins l'une des revendications 11 à 19, caractérisé en ce que le durcissement du matériau polymère à cristaux liquides n'est effectué que dans des zones partielles, les zones qui n'ont pas été durcies étant éliminées après l'étape de durcissement.
EP90123341A 1989-12-22 1990-12-05 Support d'information avec élément de sécurité à cristaux liquides Expired - Lifetime EP0435029B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3942663 1989-12-22
DE3942663A DE3942663A1 (de) 1989-12-22 1989-12-22 Datentraeger mit einem fluessigkristall-sicherheitselement

Publications (4)

Publication Number Publication Date
EP0435029A2 EP0435029A2 (fr) 1991-07-03
EP0435029A3 EP0435029A3 (en) 1991-09-18
EP0435029B1 EP0435029B1 (fr) 1995-08-09
EP0435029B2 true EP0435029B2 (fr) 2003-01-02

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EP90123341A Expired - Lifetime EP0435029B2 (fr) 1989-12-22 1990-12-05 Support d'information avec élément de sécurité à cristaux liquides

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JP (1) JP3244278B2 (fr)
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023560A1 (de) 2007-05-21 2008-11-27 Ovd Kinegram Ag Mehrschichtkörper
DE102007034716A1 (de) 2007-07-23 2009-01-29 Giesecke & Devrient Gmbh Sicherheitselement
US7560156B2 (en) 2002-05-22 2009-07-14 Leonhard Kurz Gmbh & Co. Kg Strip shaped safeguarding element
US7812343B2 (en) 2005-04-15 2010-10-12 Polyic Gmbh & Co. Kg Multilayer composite body having an electronic function
US7846838B2 (en) 2005-07-29 2010-12-07 Polyic Gmbh & Co. Kg Method for producing an electronic component
US7940340B2 (en) 2005-07-04 2011-05-10 Polyic Gmbh & Co. Kg Multilayer body with electrically controllable optically active systems of layers
US8315061B2 (en) 2005-09-16 2012-11-20 Polyic Gmbh & Co. Kg Electronic circuit with elongated strip layer and method for the manufacture of the same

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB9025390D0 (en) * 1990-11-22 1991-01-09 De La Rue Thomas & Co Ltd Security device
GB9106128D0 (en) * 1991-03-22 1991-05-08 Amblehurst Ltd Article
GB2268906A (en) * 1992-07-24 1994-01-26 Portals Ltd Counterfeit protection for documents using optical effects of liquid crystal
FR2698390B1 (fr) * 1992-11-20 1994-12-23 Arjo Wiggins Sa Document de sécurité authentifiable par effet piezooptique.
GB2276883A (en) * 1993-04-05 1994-10-12 Central Research Lab Ltd Optical material containing a liquid crystal
GB2283455B (en) * 1993-11-03 1997-01-15 Willett Int Ltd Method for authenticating or confirming the integrity of a document or other ing and articles for use in the method
US5629055A (en) * 1994-02-14 1997-05-13 Pulp And Paper Research Institute Of Canada Solidified liquid crystals of cellulose with optically variable properties
DE4416191A1 (de) * 1994-05-06 1995-11-09 Consortium Elektrochem Ind Interferenzpigmente aus in cholesterischer Anordnung fixierten Molekülen sowie deren Verwendung
DE59509361D1 (de) * 1994-06-24 2001-08-02 Rolic Ag Zug Optisches Bauelement
US5903330A (en) * 1995-10-31 1999-05-11 Rolic Ag Optical component with plural orientation layers on the same substrate wherein the surfaces of the orientation layers have different patterns and direction
KR20000029828A (ko) 1996-08-05 2000-05-25 마츠시타 덴끼 산교 가부시키가이샤 데이터송신장치,데이터수신장치,처리장치,기기관리장치,기기관리시스템,데이터송수신시스템및매체
DE19639229A1 (de) * 1996-09-24 1997-06-05 Wacker Chemie Gmbh Zusammensetzung enthaltend Pigmente mit vom Betrachtungswinkel abhängiger Farbigkeit
AUPO289296A0 (en) * 1996-10-10 1996-10-31 Securency Pty Ltd Self-verifying security documents
DE19645084A1 (de) * 1996-11-01 1998-05-07 Austria Card Gmbh Identifikationskarte mit zusätzlichen Sicherheitsmerkmalen und Verfahren zu deren Herstellung
FR2764314A1 (fr) * 1997-06-09 1998-12-11 Arjo Wiggins Sa Document de securite comportant un moyen d'authentification comprenant une fenetre transparente et un element de securite
DE69832574T2 (de) * 1997-07-29 2006-06-14 Nhk Spring Co Ltd Optisches Identifizierungssystem mit cholesterischen Flüssigkristallen
DE19735628C2 (de) * 1997-08-18 1999-10-14 Johannes Puff Verfahren zur Fälschungssicherung eines nicht personengebundenen Zugangsberechtigungsmittels
DE19737618A1 (de) 1997-08-28 1999-03-04 Consortium Elektrochem Ind Maschinendetektierbare Sicherheitsmarkierung mit erhöhter Fälschungssicherheit, Herstellung der Sicherheitsmarkierung und Sicherheitssystem umfassend diese Sicherheitsmarkierung
DE19737612A1 (de) * 1997-08-28 1999-03-04 Consortium Elektrochem Ind Mit dem Auge nicht erkennbare, maschinendetektierbare Sicherheitsmarkierung, Herstellung der Sicherheitsmarkierung und Sicherheitssystem umfassend diese Sicherheitsmarkierung
DE19743722A1 (de) * 1997-10-02 1999-04-08 Wacker Chemie Gmbh Polysiloxane mit heterocyclischen Funktionen, deren Herstellung und Verwendung
US20020117845A1 (en) 2000-01-03 2002-08-29 Bundesdruckerei Gmbh Security and/or valve document
DE19833746A1 (de) * 1998-07-27 2000-02-03 Joergen Brosow Sicherheitspapier und Verfahren zur Prüfung der Echtheit darauf aufgezeichneter Urkunden
JP4336008B2 (ja) 1998-11-17 2009-09-30 日本発條株式会社 対象物の識別構造及び識別方法
DE19904282C2 (de) * 1999-02-03 2002-05-29 Xetos Ag Informationsträger
DE19907697A1 (de) * 1999-02-23 2000-08-24 Giesecke & Devrient Gmbh Wertdokument
DE19909471A1 (de) * 1999-03-04 2000-09-07 Bayerische Motoren Werke Ag Dekorelement
DE50002540D1 (de) † 1999-04-07 2003-07-17 Trueb Ag Aarau Aufzeichnungsträger und verfahren zu seiner herstellung
CN1235069C (zh) 1999-04-21 2006-01-04 日石三菱株式会社 光学叠层板,偏振衍射元件,补偿元件,装饰元件和防伪元件
CN1608217A (zh) * 1999-05-24 2005-04-20 凸版印刷株式会社 叠层复合体、信息记录媒体和防伪性赋予部件
DE19941295A1 (de) † 1999-08-31 2001-03-01 Giesecke & Devrient Gmbh Sicherheitselement
JP2001091719A (ja) * 1999-09-27 2001-04-06 Nippon Mitsubishi Oil Corp 光学素子およびセキュリティ素子
DE10007916A1 (de) † 2000-02-21 2001-08-23 Giesecke & Devrient Gmbh Mehrschichtige, laminierte Karte mit eingelagertem, Reliefstrukturen aufweisenden Sicherheitselement
DE10008851A1 (de) † 2000-02-25 2001-08-30 Giesecke & Devrient Gmbh Verfahren zur Herstellung laserbeschriftbarer Datenträger und damit hergestellte Datenträger
JP2002040252A (ja) * 2000-07-27 2002-02-06 Shiseido Co Ltd コレステリック液晶層を含む光学シート、それを用いた情報記録体、情報記録方法並びに情報判別方法
GB0025096D0 (en) * 2000-10-13 2000-11-29 Bank Of England Detection of printing and coating media
JP2002127647A (ja) * 2000-10-19 2002-05-08 Nhk Spring Co Ltd 対象物の識別媒体及びその製造方法
JP4565591B2 (ja) * 2000-11-29 2010-10-20 トッパン・フォームズ株式会社 コレステリック液晶性化合物を保持したカード
EP1227347A1 (fr) * 2001-01-29 2002-07-31 Rolic AG Dispositif optique et son procédé de fabrication
CA2445080A1 (fr) * 2001-04-24 2002-10-31 Merck Patent Gesellschaft Mit Beschraenkter Haftung Marquage birefringent
JP2003161835A (ja) 2001-07-02 2003-06-06 Merck Patent Gmbh 光学可変マーキング
EP1281538A3 (fr) 2001-07-02 2004-01-28 MERCK PATENT GmbH Marquage optiquement variable
GB0201767D0 (en) 2002-01-25 2002-03-13 Rue De Int Ltd Improvements in methods of manufacturing substrates
JP2003231380A (ja) 2002-02-12 2003-08-19 Nhk Spring Co Ltd 対象物の識別媒体及び識別方法
JP2003337218A (ja) * 2002-05-21 2003-11-28 Nippon Oil Corp 転写用積層体
US7590239B2 (en) 2002-09-13 2009-09-15 Nhk Spring Co., Ltd. Object identifying medium using multi-layer thin-film
DE10243650A1 (de) 2002-09-19 2004-04-01 Giesecke & Devrient Gmbh Sicherheitselement
JP2004133152A (ja) * 2002-10-10 2004-04-30 Nippon Oil Corp 転写性液晶積層体
US7386125B2 (en) 2002-10-28 2008-06-10 Qdesign Usa, Inc. Techniques of imperceptibly altering the spectrum of a displayed image in a manner that discourages copying
CN101817269B (zh) 2003-07-14 2012-01-18 Jds尤尼费斯公司 光学可变装置
DE10331798B4 (de) * 2003-07-14 2012-06-21 Giesecke & Devrient Gmbh Sicherheitselement, Wertgegenstand, Transfermaterial und Herstellungsverfahren
DE10342674B4 (de) * 2003-09-16 2007-07-19 Leonhard Kurz Gmbh & Co. Kg Verfahren und Foliensystem zur Herstellung eines individualisierten optisch variablen Elements
AT501320B1 (de) * 2003-09-17 2008-10-15 Hueck Folien Gmbh Passives aktivierbares sicherheitsmerkmal
DE10343547A1 (de) 2003-09-19 2005-04-14 Giesecke & Devrient Gmbh Sicherheitselement
JP4257903B2 (ja) 2003-10-28 2009-04-30 日本発條株式会社 識別媒体、識別媒体の識別方法、識別対象物品および識別装置
US20070224341A1 (en) * 2003-11-21 2007-09-27 Matthias Kuntz Method for the Modification of Chiral Liquid-Crystal Films with the Aid of Extractants
US7818782B2 (en) * 2004-04-14 2010-10-19 Dai Nippon Printing Co., Ltd. Authentication medium, authenticable substrate, authentication medium label, authentication medium transfer sheet, authenticable sheet, and authenticable information recording medium
DE102004018702B4 (de) * 2004-04-17 2006-05-24 Leonhard Kurz Gmbh & Co. Kg Folie mit Polymerschicht
DE102004021248A1 (de) 2004-04-30 2005-11-24 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
DE102004021246A1 (de) 2004-04-30 2005-11-24 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
DE102004021247A1 (de) 2004-04-30 2005-11-24 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
DE102004039355A1 (de) 2004-08-12 2006-02-23 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
WO2005108108A2 (fr) 2004-04-30 2005-11-17 Giesecke & Devrient Gmbh Element de securite et son procede de production
EP1744904B2 (fr) 2004-04-30 2019-11-06 Giesecke+Devrient Currency Technology GmbH Materiau en feuille et son procede de fabrication
GB0412979D0 (en) 2004-06-10 2004-07-14 Rue De Int Ltd Improvements in security devices
JP4549119B2 (ja) 2004-07-15 2010-09-22 日本発條株式会社 識別媒体および識別媒体を備えた物品
GB0419157D0 (en) 2004-08-27 2004-09-29 Rue De Int Ltd A method of manufacturing a fibrous substrate incorporating an elongate element
JP4539909B2 (ja) 2004-10-01 2010-09-08 日本発條株式会社 識別媒体およびその識別方法
FR2877609B1 (fr) * 2004-11-08 2007-03-09 Arjowiggins Security Soc Par A Structure de securite et article incorporant une telle structure
CN100550085C (zh) * 2004-12-24 2009-10-14 日本发条株式会社 识别介质、具备识别介质的物品、识别方法和识别装置
DE102005052928A1 (de) 2005-11-03 2007-05-16 Giesecke & Devrient Gmbh Durchsichtssicherheitselement und Verfahren zu seiner Herstellung
JP2009516604A (ja) 2005-11-22 2009-04-23 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング 転写要素を使用する、液晶フィルムの熱転写方法
GB0525888D0 (en) 2005-12-20 2006-02-01 Rue De Int Ltd Improvements in methods of manufacturing security substrates
JP5158921B2 (ja) 2005-12-28 2013-03-06 日本発條株式会社 識別媒体
DE102006015023A1 (de) 2006-03-31 2007-10-04 Giesecke & Devrient Gmbh Sicherheitselement und Verfahren zu seiner Herstellung
GB2438384B (en) * 2006-05-26 2008-10-29 Rue De Int Ltd Improvements in forming security devices
GB2438383B (en) 2006-05-26 2008-10-08 Rue De Int Ltd Improvements in substrates
GB0615919D0 (en) 2006-08-10 2006-09-20 Rue De Int Ltd Photonic crystal security device
GB0615921D0 (en) 2006-08-10 2006-09-20 Rue De Int Ltd Photonic crystal security device
CA2598007A1 (fr) 2006-08-29 2008-02-29 Jds Uniphase Corporation Article imprime avec un revetement a effet special
JP4900790B2 (ja) 2006-09-01 2012-03-21 日本発條株式会社 識別媒体、物品、識別装置および識別媒体の識別方法
GB2442711B (en) 2006-10-10 2011-04-13 Rue De Int Ltd Improvements in security devices
JP4959304B2 (ja) 2006-11-22 2012-06-20 日本発條株式会社 識別媒体、識別方法および識別装置
DE102007022437A1 (de) * 2007-05-10 2008-11-13 Leonhard Kurz Gmbh & Co. Kg Verfahren zur Herstellung einer vernetzen Flüssigkristallschicht sowie Vorrichtung zur Durchführung des Verfahrens
GB0720550D0 (en) 2007-10-19 2007-11-28 Rue De Int Ltd Photonic crystal security device multiple optical effects
GB2457911B (en) 2008-02-27 2010-05-12 Rue De Int Ltd Improved method for producing an optically varible security device
DE102008026216B4 (de) 2008-05-30 2010-07-29 Polyic Gmbh & Co. Kg Elektronische Schaltung
FR2933428B1 (fr) * 2008-07-03 2010-08-27 Arjowiggins Licensing Sas Element de securite a effet optique variable et feuille ou document de securite ou article le comprenant
DE102008061608A1 (de) 2008-12-11 2010-06-17 Giesecke & Devrient Gmbh Sicherheitselement
DE102009016533A1 (de) * 2009-04-06 2010-10-07 Giesecke & Devrient Gmbh Piezochromes Sicherheitselement auf Flüssigkristallbasis
GB0906366D0 (en) 2009-04-14 2009-05-20 Rue De Int Ltd Security device
GB2474903B (en) 2009-10-30 2012-02-01 Rue De Int Ltd Improvements in security devices
GB2476228B (en) 2009-11-19 2012-02-01 Rue De Int Ltd Improvements in security devices
DE102012003601A1 (de) 2012-02-21 2013-08-22 Giesecke & Devrient Gmbh Druckverfahren mit Passer zwischen Druck und Wasserzeichen
CN102759441A (zh) * 2012-07-20 2012-10-31 西北工业大学 多波段偏振成像防伪元件辨识系统
IN2014MU03621A (fr) 2013-11-18 2015-10-09 Jds Uniphase Corp
DE102015004072A1 (de) 2015-03-30 2016-10-06 Giesecke & Devrient Gmbh Mehrfarbiges Sicherheitselement mit Effektfarben
GB2547236B (en) * 2016-02-11 2019-09-11 De La Rue Int Ltd Improvements in security devices
EP3959081A1 (fr) * 2019-04-20 2022-03-02 Arrow Greentech Ltd Film de sécurité robuste à décalage de couleur à valeurs spectrales complexes à large spectre et fil de sécurité fabriqué à partir de celui-ci

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU488652B2 (en) * 1973-09-26 1976-04-01 Commonwealth Scientific And Industrial Research Organisation Improvements in or relating to security tokens
AU547881B2 (en) * 1981-01-08 1985-11-07 Securicard Systems Ltd. Identification of articles
DE3110048A1 (de) * 1981-03-16 1982-09-30 Consortium für elektrochemische Industrie GmbH, 8000 München "fluessigkristalline phasen aufweisende zusammensetzungen auf basis cyclischer organopolysiloxane, ihre herstellung und deren verwendung"
DE3119459A1 (de) * 1981-05-15 1982-12-09 Consortium für elektrochemische Industrie GmbH, 8000 München Fluessig-kristalline eigenschaften aufweisende, vernetzte organopolysiloxane
CH653161A5 (de) * 1981-10-27 1985-12-13 Landis & Gyr Ag Dokument mit einem sicherheitsmerkmal und verfahren zur echtheitspruefung des dokumentes.
JPS5988780A (ja) * 1982-11-08 1984-05-22 アメリカン・バンク・ノ−ト・カムパニ− 光回折記録体及び光回折パタ−ンを作る方法
DE3331515A1 (de) * 1983-09-01 1985-03-21 Merck Patent Gmbh, 6100 Darmstadt Trialkanoyloxysilane

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7560156B2 (en) 2002-05-22 2009-07-14 Leonhard Kurz Gmbh & Co. Kg Strip shaped safeguarding element
US7812343B2 (en) 2005-04-15 2010-10-12 Polyic Gmbh & Co. Kg Multilayer composite body having an electronic function
US7940340B2 (en) 2005-07-04 2011-05-10 Polyic Gmbh & Co. Kg Multilayer body with electrically controllable optically active systems of layers
US7846838B2 (en) 2005-07-29 2010-12-07 Polyic Gmbh & Co. Kg Method for producing an electronic component
US8315061B2 (en) 2005-09-16 2012-11-20 Polyic Gmbh & Co. Kg Electronic circuit with elongated strip layer and method for the manufacture of the same
DE102007023560A1 (de) 2007-05-21 2008-11-27 Ovd Kinegram Ag Mehrschichtkörper
DE102007023560B4 (de) * 2007-05-21 2009-02-05 Ovd Kinegram Ag Mehrschichtkörper
DE102007034716A1 (de) 2007-07-23 2009-01-29 Giesecke & Devrient Gmbh Sicherheitselement

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EP0435029B1 (fr) 1995-08-09
CA2032587C (fr) 1996-07-09
EP0435029A2 (fr) 1991-07-03
ES2075871T3 (es) 1995-10-16
JPH04144796A (ja) 1992-05-19
DE3942663A1 (de) 1991-06-27
DE59009504D1 (de) 1995-09-14
ES2075871T5 (es) 2003-07-16
EP0435029A3 (en) 1991-09-18
ATE126135T1 (de) 1995-08-15
CA2032587A1 (fr) 1991-06-23
JP3244278B2 (ja) 2002-01-07

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