EP3383663B1 - Security element and data carrier provided with the same - Google Patents

Security element and data carrier provided with the same Download PDF

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Publication number
EP3383663B1
EP3383663B1 EP16805288.4A EP16805288A EP3383663B1 EP 3383663 B1 EP3383663 B1 EP 3383663B1 EP 16805288 A EP16805288 A EP 16805288A EP 3383663 B1 EP3383663 B1 EP 3383663B1
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EP
European Patent Office
Prior art keywords
color
security element
transparent
layer
semi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16805288.4A
Other languages
German (de)
French (fr)
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EP3383663A1 (en
Inventor
Björn Teufel
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.)
Giesecke and Devrient Currency Technology GmbH
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Giesecke and Devrient Currency Technology GmbH
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Publication of EP3383663A1 publication Critical patent/EP3383663A1/en
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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
    • B42D25/351—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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42—Ribbons or strips

Definitions

  • the invention relates to a security element.
  • security elements with multilayer thin-film elements are known which, when viewed in incident light, ie in reflection, appear in a first color and, when viewed in transmitted light, ie in transmission, appear in a second color.
  • the WO 2011/082761 A1 which discloses a security element according to the preamble of claim 1 and the preamble of claim 5, describes a thin-film element having a multilayer structure, which appears gold-colored when viewed in reflected light and blue when viewed in transmitted light.
  • the multilayer structure is based on two semitransparent mirror layers and a dielectric spacer layer arranged between the two mirror layers.
  • the present invention seeks to provide an improved security element of the type mentioned above with high anti-counterfeiting security and attractive visual appearance for this purpose.
  • a preferred object is to be seen in that with respect to the colors in reflected-light and transmitted-light viewing, a wider color spectrum is available than hitherto.
  • the thickness of the ink layer is preferably 1 to 2 micrometers.
  • the metal pigments are in particular those from WO 2005/051675 A2 known metal pigments.
  • Such metal pigments are based on a metal, preferably selected from the group consisting of aluminum, stainless steel, nichrome, gold, silver, platinum and copper; the metal is particularly preferably aluminum, the average particle diameter preferably being in a range of 8 to 15 ⁇ m, more preferably in a range of 9 to 10 ⁇ m, measured with a Coulter LS130 laser diffraction granulometer;
  • a printing ink makes it possible to provide a "silver" mirror layer, wherein in the case of admixing, for example, a yellow color, a golden mirror layer is obtainable.
  • the thickness of the ink layer is preferably 1 to 2 micrometers.
  • the value document mentioned in the present description can be a banknote, in particular a paper banknote, a polymer banknote or a film composite banknote, a share, a bond, a certificate, a coupon, a check, a high-quality admission ticket, but also an identity card such as a credit card, a bank card, a cash card, an authorization card, an identity card, or a pass personalization page.
  • a banknote in particular a paper banknote, a polymer banknote or a film composite banknote, a share, a bond, a certificate, a coupon, a check, a high-quality admission ticket, but also an identity card such as a credit card, a bank card, a cash card, an authorization card, an identity card, or a pass personalization page.
  • a reflection in incident light is, in the sense of this invention, an illumination of the security element from one side and a viewing of the security element from the same side.
  • a reflection in reflected light is thus present, for example, when the front of the security element is illuminated and also viewed.
  • a reflection in the transmitted light is in the sense of this invention an illumination of a security element from one side and a view of the security element from another side, in particular the opposite side.
  • a reflection in transmitted light is thus, for example, when the back of the security element illuminated and the front of the security element is considered. The light thus shines through the security element.
  • the security element according to the invention can e.g. as a patch or label, as an (endless) strip or as an (endless) thread.
  • the transparent carrier substrate of the security element may in particular be a plastic film, e.g. a polyethylene terephthalate (PET) film or the like.
  • PET polyethylene terephthalate
  • the data carrier substrate of the data carrier to be equipped with the security element according to the invention is in particular a paper substrate or a paper-like substrate, a polymer substrate, a paper / film / paper composite substrate or a film / paper / film composite substrate.
  • a security document provided with a window portion may be used in the case of a paper substrate, a paper / foil / paper composite substrate, or a film / paper / foil composite substrate, e.g. be produced by means of a continuous recess within the paper layer (s).
  • the paper layer may be coated by means of a suitable liquid, e.g. be made transparent by means of aqueous sulfuric acid solution in a certain range.
  • a window area may e.g. be created by means of congruent recesses in the applied on the front and back of the polymer substrate opaque print layers.
  • the above colors i. the first color and the second color may in particular be complementary colors (for example, the first color is yellow and the second color is blue).
  • the metal pigments which can be used in layers a) and d) of the above layer structure are in particular those from WO 2005/051675 A2 known metal pigments.
  • Such metal pigments are based on a metal, preferably selected from the group consisting of aluminum, stainless steel, nichrome, gold, silver, platinum and copper; the metal is particularly preferably aluminum, the average particle diameter preferably being in a range of 8 to 15 ⁇ m, more preferably in a range of 9 to 10 ⁇ m, measured with a Coulter LS130 laser diffraction granulometer; such an ink, for example, allows the provision of a "silver" mirror layer.
  • the transparent carrier substrate may be on the front and / or the back, e.g. between the layers a) and b) and / or between the layers b) and c), be provided with an embossing lacquer layer which in particular has a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.
  • the above colors i. the first color and the second color may in particular be complementary colors (for example, the first color is yellow and the second color is blue).
  • the two semitransparent metallic layers B) and E) are formed independently of one another from a metal, the metal being in each case selected from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or more of above elements can be selected.
  • the layer thickness of the semitransparent metallic layer is preferably in a range of 5 nm to 15 nm. It is particularly preferred that each of the layers B) and E) is an Al layer in each case.
  • the transparent carrier substrate may be on the front and / or the back, e.g. between the layers B) and C) and / or between the layers C) and D), be provided with an embossing lacquer layer which in particular has a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.
  • the two semitransparent metallic layers A) and D) are independently formed of a metal, the metal being each selected from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or more of above elements can be selected.
  • the layer thickness of the semitransparent metallic layer is preferably in a range of 5 nm to 15 nm. It is particularly preferred that each of the layers A) and D) is each a Cu layer.
  • the transparent carrier substrate may be on the front and / or the back, e.g. between the layers A) and B) and / or between the layers B) and C), be provided with an embossing lacquer layer which has in particular a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.
  • the two semitransparent metallic layers A) and D) are formed independently of one another from a metal, the metal in each case being selected from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or more of the aforementioned elements.
  • the layer thickness of the semitransparent metallic layer is preferably in a range of 5 nm to 15 nm. It is particularly preferred that each of the layers A) and D) is an Al layer in each case.
  • the transparent carrier substrate may be on the front and / or the back, e.g. between the layers A) and B) and / or between the layers B) and C), be provided with an embossing lacquer layer which has in particular a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.
  • the security element may have on the surface of the layer 6 an adhesive layer (not shown in Figure 1), e.g. a heat seal coating, to bond the security element to the paper layer 1 of the value document.
  • an adhesive layer e.g. a heat seal coating
  • the block arrow 7 shows the viewing of the front of the security element.
  • the observer perceives the security element in golden color.
  • the block arrow 8 shows the viewing of the back of the security element. The observer perceives the security element in golden color when viewing the rear side of the security element in reflected light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.
  • the observer perceives a hologram and / or a micromirror arrangement in reflected light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in a reddish color.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in green color.
  • the observer perceives the security element in metallic-copper color both when viewing the front side in incident light and when viewing the rear side in incident light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color green.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color red.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.
  • the viewer perceives a hologram and / or a micromirror arrangement above it.
  • the security element appears when viewed in transmitted light, both from the front, as well as from the back, in the form of a line-shaped, green motif.
  • the observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.

Landscapes

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

Description

Die Erfindung betrifft ein Sicherheitselement.The invention relates to a security element.

Datenträger, wie etwa Wert- oder Ausweisdokumente, oder andere Wertgegenstände, wie etwa Markenartikel, werden zur Absicherung oft mit Sicherheitselementen versehen, die eine Überprüfung der Echtheit der Datenträger gestatten und die zugleich als Schutz vor unerlaubter Reproduktion dienen. In diesem Zusammenhang sind (Durchsichts-)Sicherheitselemente mit mehrschichtigen Dünnschichtelementen bekannt, die bei Betrachtung im Auflicht, d.h. in Reflexion, in einer ersten Farbe erscheinen und bei Betrachtung im Durchlicht, d.h. in Transmission, in einer zweiten Farbe erscheinen. Die WO 2011/082761 A1 , die ein Sicherheitselement nach dem Oberbegriff des Anspruchs 1 und dem Oberbegriff des Anspruchs 5 offenbart, beschreibt ein Dünnschichtelement mit Mehrschichtstruktur, das bei der Betrachtung im Auflicht goldfarben und bei der Betrachtung im Durchlicht blau erscheint. Die Mehrschichtstruktur beruht auf zwei semitransparenten Spiegelschichten und einer zwischen den zwei Spiegelschichten angeordneten dielektrischen Abstandsschicht.Data carriers, such as valuables or identity documents, or other valuables, such as branded articles, are often provided with security elements for the purpose of security, which permit verification of the authenticity of the data carriers and at the same time serve as protection against unauthorized reproduction. In this context, (see-through) security elements with multilayer thin-film elements are known which, when viewed in incident light, ie in reflection, appear in a first color and, when viewed in transmitted light, ie in transmission, appear in a second color. The WO 2011/082761 A1 , which discloses a security element according to the preamble of claim 1 and the preamble of claim 5, describes a thin-film element having a multilayer structure, which appears gold-colored when viewed in reflected light and blue when viewed in transmitted light. The multilayer structure is based on two semitransparent mirror layers and a dielectric spacer layer arranged between the two mirror layers.

Ausgehend davon liegt der Erfindung die Aufgabe zugrunde, ein verbessertes Sicherheitselement der eingangs genannten Art mit hoher Fälschungssicherheit und attraktivem visuellen Erscheinungsbild hierfür anzugeben. Eine bevorzugte Aufgabe ist darin zu sehen, dass bezüglich der Farben in Auflicht- und Durchlicht-Betrachtung ein breiteres Farbspektrum als bislang zur Verfügung steht.Based on this, the present invention seeks to provide an improved security element of the type mentioned above with high anti-counterfeiting security and attractive visual appearance for this purpose. A preferred object is to be seen in that with respect to the colors in reflected-light and transmitted-light viewing, a wider color spectrum is available than hitherto.

Diese Aufgabe wird durch die in den unabhängigen Ansprüchen definierten Merkmalskombinationen gelöst. Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved by the feature combinations defined in the independent claims. Further developments of the invention are the subject of the dependent claims.

Zusammenfassung der ErfindungSummary of the invention

(Erster Aspekt der Erfindung) Semitransparentes Sicherheitselement gemäß dem unabhängigen Anspruch 1. Die Dicke der Farbschicht beträgt vorzugsweise 1 bis 2 Mikrometer.(First aspect of the invention) Semitransparent safety element according to independent claim 1. The thickness of the ink layer is preferably 1 to 2 micrometers.

Die Metallpigmente sind insbesondere die aus der WO 2005/051675 A2 bekannten Metallpigmente. Solche Metallpigmente beruhen auf einem Metall, das vorzugsweise von der Gruppe bestehend aus Aluminium, Edelstahl, Nichrome, Gold, Silber, Platin und Kupfer gewählt ist; das Metall ist insbesondere bevorzugt Aluminium, wobei der mittlere Teilchendurchmesser bevorzugt in einem Bereich von 8 bis 15 µm, weiter bevorzugt in einem Bereich von 9 bis 10 µm liegt, gemessen mit einem Coulter LS130 Laserdiffraktionsgranulometer; eine solche Druckfarbe ermöglicht z.B. die Bereitstellung einer "silbernen" Spiegelschicht, wobei im Falle des Beimischens z.B. einer gelben Farbe eine goldene Spiegelschicht erhältlich ist.The metal pigments are in particular those from WO 2005/051675 A2 known metal pigments. Such metal pigments are based on a metal, preferably selected from the group consisting of aluminum, stainless steel, nichrome, gold, silver, platinum and copper; the metal is particularly preferably aluminum, the average particle diameter preferably being in a range of 8 to 15 μm, more preferably in a range of 9 to 10 μm, measured with a Coulter LS130 laser diffraction granulometer; For example, such a printing ink makes it possible to provide a "silver" mirror layer, wherein in the case of admixing, for example, a yellow color, a golden mirror layer is obtainable.

(Zweiter Aspekt der Erfindung) Semitransparentes Sicherheitselement gemäß dem unabhängigen Anspruch 5. Die Dicke der Farbschicht beträgt vorzugsweise 1 bis 2 Mikrometer.(Second aspect of the invention) Semi-transparent security element according to independent claim 5. The thickness of the ink layer is preferably 1 to 2 micrometers.

(Dritter Aspekt der Erfindung) Datenträger gemäß dem unabhängigen Anspruch 11.(Third aspect of the invention) Data carrier according to independent claim 11.

Ausführliche Beschreibung der ErfindungDetailed description of the invention

Bei dem in der vorliegenden Beschreibung genannten Wertdokument kann es sich um eine Banknote, insbesondere eine Papierbanknote, eine Polymerbanknote oder eine Folienverbundbanknote, um eine Aktie, eine Anleihe, eine Urkunde, einen Gutschein, einen Scheck, eine hochwertige Eintrittskarte, aber auch um eine Ausweiskarte, wie etwa eine Kreditkarte, eine Banckarte, eine Barzahlungskarte, eine Berechtigungskarte, einen Personalausweis oder eine Passpersonalisierungsseite handeln.The value document mentioned in the present description can be a banknote, in particular a paper banknote, a polymer banknote or a film composite banknote, a share, a bond, a certificate, a coupon, a check, a high-quality admission ticket, but also an identity card such as a credit card, a bank card, a cash card, an authorization card, an identity card, or a pass personalization page.

Eine Betrachtung im Auflicht ist im Sinne dieser Erfindung eine Beleuchtung des Sicherheitselements von einer Seite und eine Betrachtung des Sicherheitselements von derselben Seite. Eine Betrachtung im Auflicht liegt somit beispielsweise dann vor, wenn die Vorderseite des Sicherheitselements beleuchtet und auch betrachtet wird.A reflection in incident light is, in the sense of this invention, an illumination of the security element from one side and a viewing of the security element from the same side. A reflection in reflected light is thus present, for example, when the front of the security element is illuminated and also viewed.

Eine Betrachtung im Durchlicht ist im Sinne dieser Erfindung eine Beleuchtung eines Sicherheitselements von einer Seite und eine Betrachtung des Sicherheitselements von einer anderen Seite, insbesondere der gegenüberliegenden Seite. Eine Betrachtung im Durchlicht liegt somit beispielsweise dann vor, wenn die Rückseite des Sicherheitselements beleuchtet und die Vorderseite des Sicherheitselements betrachtet wird. Das Licht scheint somit durch das Sicherheitselement hindurch.A reflection in the transmitted light is in the sense of this invention an illumination of a security element from one side and a view of the security element from another side, in particular the opposite side. A reflection in transmitted light is thus, for example, when the back of the security element illuminated and the front of the security element is considered. The light thus shines through the security element.

Das erfindungsgemäße Sicherheitselement kann z.B. als Patch bzw. Etikett, als (Endlos-)Streifen oder als (Endlos-)Faden vorliegen.The security element according to the invention can e.g. as a patch or label, as an (endless) strip or as an (endless) thread.

Das transparente Trägersubstrat des Sicherheitselements kann insbesondere eine Kunststoff-Folie, z.B. eine Polyethylenterephthalat(PET)-Folie oder dergleichen sein.The transparent carrier substrate of the security element may in particular be a plastic film, e.g. a polyethylene terephthalate (PET) film or the like.

Das mit dem erfindungsgemäßen Sicherheitselement auszustattende Datenträgersubstrat des Datenträgers ist insbesondere ein Papiersubstrat oder ein Papier-ähnliches Substrat, ein Polymersubstrat, ein Papier/Folie/Papier-Verbundsubstrat oder ein Folie/Papier/Folie-Verbundsubstrat. Ein mit einem Fensterbereich versehenes Wertdokument oder Sicherheitspapier kann im Falle eines Papier-Substrats, eines Papier/Folie/Papier-Verbundsubstrats oder eines Folie/Papier/Folie-Verbundsubstrats z.B. mittels einer durchgehenden Aussparung innerhalb der Papierschicht(en) erzeugt werden. Alternativ kann die Papierschicht mittels einer geeigneten Flüssigkeit, z.B. mittels wässriger Schwefelsäurelösung, in einem bestimmten Bereich transparent gemacht werden. Im Falle eines auf einem transparenten Polymersubstrat basierenden Wertdokuments kann ein Fensterbereich z.B. mittels deckungsgleicher Aussparungen in den auf der Vorder- und Rückseite des Polymersubstrats aufgebrachten opaken Druckschichten erzeugt werden.The data carrier substrate of the data carrier to be equipped with the security element according to the invention is in particular a paper substrate or a paper-like substrate, a polymer substrate, a paper / film / paper composite substrate or a film / paper / film composite substrate. A security document provided with a window portion may be used in the case of a paper substrate, a paper / foil / paper composite substrate, or a film / paper / foil composite substrate, e.g. be produced by means of a continuous recess within the paper layer (s). Alternatively, the paper layer may be coated by means of a suitable liquid, e.g. be made transparent by means of aqueous sulfuric acid solution in a certain range. In the case of a value document based on a transparent polymer substrate, a window area may e.g. be created by means of congruent recesses in the applied on the front and back of the polymer substrate opaque print layers.

Das erfindungsgemäße semitransparentes Sicherheitselement, das bei der Betrachtung im Auflicht und im Durchlicht unterschiedliche Farben aufweist, kann gemäß einer ersten Variante den folgenden Schichtaufbau aufweisen:

  1. a) drucktechnisch mittels eingefärbter Metallpigmente erhältliche, in einer ersten Farbe gefärbte metallische Schicht (Schicht "V-a", wobei der Buchstabe "V" die Vorderseite des Trägersubstrats bezeichnet);
  2. b) transparentes Trägersubstrat;
  3. c) eine in einer zweiten Farbe erscheinende Farbschicht (Schicht "R-a", wobei der Buchstabe "R" die Rückseite des Trägersubstrats bezeichnet);
  4. d) eine drucktechnisch mittels eingefärbter Metallpigmente erhältliche, in einer ersten Farbe eingefärbte metallische Schicht (Schicht "R-b").
The semitransparent security element according to the invention, which has different colors when viewed in incident light and in transmitted light, can have the following layer structure according to a first variant:
  1. a) printing technology by means of colored metal pigments available, colored in a first color metallic layer (layer "Va", wherein the letter "V" denotes the front side of the carrier substrate);
  2. b) transparent carrier substrate;
  3. c) a color layer appearing in a second color (layer "Ra", the letter "R" designating the backside of the carrier substrate);
  4. d) a printing technology by means of colored metal pigments available, colored in a first color metallic layer (layer "Rb").

Die oben genannten Farben, d.h. die erste Farbe und die zweite Farbe, können insbesondere Komplementärfarben sein (z.B. ist die erste Farbe Gelb und die zweite Farbe Blau).The above colors, i. the first color and the second color may in particular be complementary colors (for example, the first color is yellow and the second color is blue).

Die in den Schichten a) und d) des obigen Schichtaufbaus einsetzbaren Metallpigmente sind insbesondere die aus der WO 2005/051675 A2 bekannten Metallpigmente. Solche Metallpigmente beruhen auf einem Metall, das vorzugsweise von der Gruppe bestehend aus Aluminium, Edelstahl, Nichrome, Gold, Silber, Platin und Kupfer gewählt ist; das Metall ist insbesondere bevorzugt Aluminium, wobei der mittlere Teilchendurchmesser bevorzugt in einem Bereich von 8 bis 15 µm, weiter bevorzugt in einem Bereich von 9 bis 10 µm liegt, gemessen mit einem Coulter LS130 Laserdiffraktionsgranulometer; eine solche Druckfarbe ermöglicht z.B. die Bereitstellung einer "silbernen" Spiegelschicht.The metal pigments which can be used in layers a) and d) of the above layer structure are in particular those from WO 2005/051675 A2 known metal pigments. Such metal pigments are based on a metal, preferably selected from the group consisting of aluminum, stainless steel, nichrome, gold, silver, platinum and copper; the metal is particularly preferably aluminum, the average particle diameter preferably being in a range of 8 to 15 μm, more preferably in a range of 9 to 10 μm, measured with a Coulter LS130 laser diffraction granulometer; such an ink, for example, allows the provision of a "silver" mirror layer.

Das transparente Trägersubstrat kann auf der Vorder- und/oder der Rückseite, z.B. zwischen den Schichten a) und b) und/oder zwischen den Schichten b) und c), mit einer Prägelackschicht versehen sein, die insbesondere eine diffraktive Struktur bildende Reliefstruktur und/oder eine Mikrospiegelanordnung bildende Reliefstruktur aufweist.The transparent carrier substrate may be on the front and / or the back, e.g. between the layers a) and b) and / or between the layers b) and c), be provided with an embossing lacquer layer which in particular has a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.

Das erfindungsgemäße semitransparentes Sicherheitselement, das bei der Betrachtung im Auflicht und im Durchlicht unterschiedliche Farben aufweist, kann gemäß einer zweiten Variante den folgenden Schichtaufbau aufweisen:

  1. A) eine in einer ersten Farbe erscheinende Farbschicht (Schicht "V-B");
  2. B) eine semitransparente metallische Schicht (Schicht"V-A");
  3. C) transparentes Trägersubstrat;
  4. D) eine in einer zweiten Farbe erscheinende Farbschicht (Schicht "R-A");
  5. E) eine semitransparente metallische Schicht (Schicht "R-B"); und
  6. F) eine in einer ersten Farbe erscheinende Farbschicht (Schicht "R-C").
The semitransparent security element according to the invention, which has different colors when viewed in incident light and in transmitted light, can have the following layer structure according to a second variant:
  1. A) a color layer appearing in a first color (layer "VB");
  2. B) a semi-transparent metallic layer (layer "VA");
  3. C) transparent carrier substrate;
  4. D) a color layer appearing in a second color (layer "RA");
  5. E) a semi-transparent metallic layer (layer "RB"); and
  6. F) a color layer appearing in a first color (layer "RC").

Die oben genannten Farben, d.h. die erste Farbe und die zweite Farbe, können insbesondere Komplementärfarben sein (z.B. ist die erste Farbe Gelb und die zweite Farbe Blau).The above colors, i. the first color and the second color may in particular be complementary colors (for example, the first color is yellow and the second color is blue).

Es wird bevorzugt, dass die beiden semitransparenten metallischen Schichten B) und E) unabhängig voneinander aus einem Metall gebildet sind, wobei das Metall jeweils von der Gruppe bestehend aus Al, Ag, Ni, Cr, Cu, Au und einer Legierung eines oder mehrerer der vorstehend genannten Elemente gewählt werden kann. Die Schichtdicke der semitransparenten metallischen Schicht liegt bevorzugt in einem Bereich von 5 nm bis 15 nm. Es wird insbesondere bevorzugt, dass jede der Schichten B) und E) jeweils eine Al-Schicht ist.It is preferred that the two semitransparent metallic layers B) and E) are formed independently of one another from a metal, the metal being in each case selected from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or more of above elements can be selected. The layer thickness of the semitransparent metallic layer is preferably in a range of 5 nm to 15 nm. It is particularly preferred that each of the layers B) and E) is an Al layer in each case.

Das transparente Trägersubstrat kann auf der Vorder- und/oder der Rückseite, z.B. zwischen den Schichten B) und C) und/oder zwischen den Schichten C) und D), mit einer Prägelackschicht versehen sein, die insbesondere eine diffraktive Struktur bildende Reliefstruktur und/oder eine Mikrospiegelanordnung bildende Reliefstruktur aufweist.The transparent carrier substrate may be on the front and / or the back, e.g. between the layers B) and C) and / or between the layers C) and D), be provided with an embossing lacquer layer which in particular has a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.

Das erfindungsgemäße semitransparentes Sicherheitselement, das bei der Betrachtung im Auflicht und im Durchlicht unterschiedliche Farben aufweist, kann gemäß einer dritten Variante den folgenden Schichtaufbau aufweisen:

  1. A) eine semitransparente metallische Schicht (Schicht"V-A");
  2. B) transparentes Trägersubstrat;
  3. C) eine in einer ersten Farbe erscheinende Farbschicht (Schicht "R-A"); und
  4. D) eine semitransparente metallische Schicht (Schicht "R-B").
The semitransparent security element according to the invention, which has different colors when viewed in incident light and in transmitted light, can have the following layer structure according to a third variant:
  1. A) a semi-transparent metallic layer (layer "VA");
  2. B) transparent carrier substrate;
  3. C) a color layer appearing in a first color (layer "RA"); and
  4. D) a semi-transparent metallic layer (layer "RB").

Es wird bevorzugt, dass die beiden semitransparenten metallischen Schichten A) und D) unabhängig voneinander aus einem Metall gebildet sind, wobei das Metall jeweils von der Gruppe bestehend aus Al, Ag, Ni, Cr, Cu, Au und einer Legierung eines oder mehrerer der vorstehend genannten Elemente gewählt werden kann. Die Schichtdicke der semitransparenten metallischen Schicht liegt bevorzugt in einem Bereich von 5 nm bis 15 nm. Es wird insbesondere bevorzugt, dass jede der Schichten A) und D) jeweils eine Cu-Schicht ist.It is preferred that the two semitransparent metallic layers A) and D) are independently formed of a metal, the metal being each selected from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or more of above elements can be selected. The layer thickness of the semitransparent metallic layer is preferably in a range of 5 nm to 15 nm. It is particularly preferred that each of the layers A) and D) is each a Cu layer.

Das transparente Trägersubstrat kann auf der Vorder- und/oder der Rückseite, z.B. zwischen den Schichten A) und B) und/oder zwischen den Schichten B) und C), mit einer Prägelackschicht versehen sein, die insbesondere eine diffraktive Struktur bildende Reliefstruktur und/oder eine Mikrospiegelanordnung bildende Reliefstruktur aufweist.The transparent carrier substrate may be on the front and / or the back, e.g. between the layers A) and B) and / or between the layers B) and C), be provided with an embossing lacquer layer which has in particular a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.

Das erfindungsgemäße semitransparentes Sicherheitselement, das bei der Betrachtung im Auflicht und im Durchlicht unterschiedliche Farben aufweist, kann gemäß einer vierten Variante den folgenden Schichtaufbau aufweisen:

  1. A) eine semitransparente metallische Schicht (Schicht"V-A");
  2. B) transparentes Trägersubstrat;
  3. C) eine drucktechnisch erhältliche dielektrische Schicht, die insbesondere auf Nitrocellulose basiert (Schicht "R-A"); und
  4. D) eine semitransparente metallische Schicht (Schicht "R-B").
The semitransparent security element according to the invention, which exhibits different colors when viewed in reflected light and in transmitted light, can have the following layer structure according to a fourth variant:
  1. A) a semi-transparent metallic layer (layer "VA");
  2. B) transparent carrier substrate;
  3. C) a printable dielectric layer which is based in particular on nitrocellulose (layer "RA"); and
  4. D) a semi-transparent metallic layer (layer "RB").

Es wird bevorzugt, dass die beiden semitransparenten metallischen Schichten A) und D) unabhängig voneinander aus einem Metall gebildet sind, wobei das Metall jeweils von der Gruppe bestehend aus Al, Ag, Ni, Cr, Cu, Au und einer Legierung eines oder mehrerer der vorstehend genannten Elemente gewählt werden kann. Die Schichtdicke der semitransparenten metallischen Schicht liegt bevorzugt in einem Bereich von 5 nm bis 15 nm. Es wird insbesondere bevorzugt, dass jede der Schichten A) und D) jeweils eine Al-Schicht ist.It is preferred that the two semitransparent metallic layers A) and D) are formed independently of one another from a metal, the metal in each case being selected from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or more of the aforementioned elements. The layer thickness of the semitransparent metallic layer is preferably in a range of 5 nm to 15 nm. It is particularly preferred that each of the layers A) and D) is an Al layer in each case.

Das transparente Trägersubstrat kann auf der Vorder- und/oder der Rückseite, z.B. zwischen den Schichten A) und B) und/oder zwischen den Schichten B) und C), mit einer Prägelackschicht versehen sein, die insbesondere eine diffraktive Struktur bildende Reliefstruktur und/oder eine Mikrospiegelanordnung bildende Reliefstruktur aufweist.The transparent carrier substrate may be on the front and / or the back, e.g. between the layers A) and B) and / or between the layers B) and C), be provided with an embossing lacquer layer which has in particular a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement.

Weitere Ausführungsbeispiele sowie Vorteile der Erfindung werden nachfolgend anhand der Figuren erläutert, bei deren Darstellung auf eine maßstabs- und proportionsgetreue Wiedergabe verzichtet wurde, um die Anschaulichkeit zu erhöhen.Further exemplary embodiments and advantages of the invention are explained below with reference to the figures, in the representation of which a representation true to scale and proportion has been dispensed with in order to increase the clarity.

Es zeigen:

Figur 1
ein erfindungsgemäßes Sicherheitselement;
Figur 2
ein weiteres erfindungsgemäßes Sicherheitselement;
Figur 3
noch ein weiteres erfindungsgemäßes Sicherheitselement.
Show it:
FIG. 1
a security element according to the invention;
FIG. 2
another inventive security element;
FIG. 3
Yet another inventive security element.

Ausführungsbeispiel 1:Embodiment 1

Fig. 1 zeigt ein Wertdokument, nämlich eine Banknote, mit einem Fensterbereich und einem im Fensterbereich auf das Wertdokumentsubstrat aufgebrachten erfindungsgemäßen Sicherheitselement. Der Fensterbereich des Wertdokuments wird durch eine z.B. mittels Stanzen erzeugten Aussparung 2 in der Papierschicht 1 gebildet. Das Sicherheitselement weist die folgenden Schichten auf:

  1. a) eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht 3;
  2. b) ein transparentes Trägersubstrat 4;
  3. c) einen blauen Farblack 5;
  4. d) eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht 6.
Fig. 1 shows a value document, namely a banknote, with a window area and a security element according to the invention applied to the value document substrate in the window area. The window area of the Value document is formed by a recess 2, for example, produced by punching in the paper layer 1. The security element has the following layers:
  1. a) a printing technology by means of yellow-colored metal pigments available, colored in yellow color metallic layer 3;
  2. b) a transparent carrier substrate 4;
  3. c) a blue color coat 5;
  4. d) a printing technology by means of yellow-colored metal pigments available, colored in yellow color metallic layer. 6

Das Sicherheitselement kann an der Oberfläche der Schicht 6 eine (in der Figur 1 nicht gezeigte) Klebschicht, z.B. eine Heißsiegelbeschichtung, aufweisen, um das Sicherheitselement mit der Papierschicht 1 des Wertdokuments zu verkleben.The security element may have on the surface of the layer 6 an adhesive layer (not shown in Figure 1), e.g. a heat seal coating, to bond the security element to the paper layer 1 of the value document.

Der Blockpfeil 7 zeigt die Betrachtung der Vorderseite des Sicherheitselements. Der Betrachter nimmt das Sicherheitselement bei Betrachtung der Vorderseite des Sicherheitselements im Auflicht in goldener Farbe wahr.The block arrow 7 shows the viewing of the front of the security element. When viewing the front of the security element in reflected light, the observer perceives the security element in golden color.

Der Blockpfeil 8 zeigt die Betrachtung der Rückseite des Sicherheitselements. Der Betrachter nimmt das Sicherheitselement bei Betrachtung der Rückseite des Sicherheitselements im Auflicht in goldener Farbe wahr.The block arrow 8 shows the viewing of the back of the security element. The observer perceives the security element in golden color when viewing the rear side of the security element in reflected light.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in der Farbe Blau.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.

Ausführungsbeispiel 2:Embodiment 2:

Figur 2 zeigt ein erfindungsgemäßes Sicherheitselement gemäß einem weiteren Ausführungsbeispiel. Das Sicherheitselement weist die folgenden Schichten auf:

  1. a) eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht 9;
  2. b) eine Prägelackschicht 10, z.B. einen UV-Lack, die insbesondere eine diffraktive Struktur bildende Reliefstruktur und/oder eine Mikrospiegelanordnung bildende Reliefstruktur enthält;
  3. c) ein transparentes Trägersubstrat 11;
  4. d) einen blauen Farblack 12;
  5. e) eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht 13.
FIG. 2 shows a security element according to the invention according to a further embodiment. The security element has the following layers:
  1. a) a printing technology by means of yellow-colored metal pigments available, colored in yellow color metallic layer 9;
  2. b) an embossing lacquer layer 10, for example a UV lacquer, which contains in particular a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement;
  3. c) a transparent carrier substrate 11;
  4. d) a blue color coat 12;
  5. e) a metallic ink layer 13, which is available by printing by means of yellow-colored metal pigments and colored in yellow color.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in der Farbe Blau.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr. Darüber nimmt der Betrachter bei Betrachtung der metallischen Schicht 9 im Auflicht ein Hologramm und/oder eine Mikrospiegelanordnung wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light. When viewing the metallic layer 9, the observer perceives a hologram and / or a micromirror arrangement in reflected light.

Ausführungsbeispiel 3:Embodiment 3

Figur 3 zeigt ein erfindungsgemäßes Sicherheitselement gemäß einem weiteren Ausführungsbeispiel. Das Sicherheitselement weist die folgenden Schichten auf:

  1. A) einen gelben Farblack 14;
  2. B) eine semitransparente Al-Schicht 15;
  3. C) ein transparentes Trägersubstrat 16;
  4. D) einen blauen Farblack 17;
  5. E) eine semitransparente Al-Schicht 18; und
  6. F) einen gelben Farblack 19.
FIG. 3 shows a security element according to the invention according to a further embodiment. The security element has the following layers:
  1. A) a yellow color coat 14;
  2. B) a semi-transparent Al layer 15;
  3. C) a transparent carrier substrate 16;
  4. D) a blue color coat 17;
  5. E) a semi-transparent Al layer 18; and
  6. F) a yellow color coat 19.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in der Farbe Blau.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.

Ausführungsbeispiel 4:Embodiment 4

Ein weiteres erfindungsgemäßes Sicherheitselement weist die folgenden Schichten auf:

  1. A) einen gelben Farblack;
  2. B) eine semitransparente Al-Schicht;
  3. C) ein transparentes Trägersubstrat;
  4. D) einen roten Farblack;
  5. E) eine semitransparente Al-Schicht; und
  6. F) einen gelben Farblack.
Another security element according to the invention has the following layers:
  1. A) a yellow color coat;
  2. B) a semi-transparent Al layer;
  3. C) a transparent carrier substrate;
  4. D) a red color coat;
  5. E) a semi-transparent Al layer; and
  6. F) a yellow paint.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in rötlicher Farbe.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in a reddish color.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.

Ausführungsbeispiel 5:Embodiment 5:

Ein weiteres erfindungsgemäßes Sicherheitselement weist die folgenden Schichten auf:

  • ein transparentes Trägersubstrat;
  • eine Cu-Schicht;
  • einen Farblack in der Farbe Grün;
  • eine Cu-Schicht.
Another security element according to the invention has the following layers:
  • a transparent carrier substrate;
  • a Cu layer;
  • a color varnish in the color green;
  • a Cu layer.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in grüner Farbe.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in green color.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in metallisch-kupferner Farbe wahr.The observer perceives the security element in metallic-copper color both when viewing the front side in incident light and when viewing the rear side in incident light.

Ausführungsbeispiel 6:Embodiment 6:

Ein weiteres erfindungsgemäßes Sicherheitselement weist die folgenden Schichten auf:

  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht;
  • ein transparentes Trägersubstrat;
  • einen grünen Farblack;
  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht.
Another security element according to the invention has the following layers:
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer;
  • a transparent carrier substrate;
  • a green color coat;
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in der Farbe Grün.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color green.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.

Ausführungsbeispiel 7:Embodiment 7:

Ein weiteres erfindungsgemäßes Sicherheitselement weist die folgenden Schichten auf:

  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht;
  • ein transparentes Trägersubstrat;
  • einen roten Farblack;
  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht.
Another security element according to the invention has the following layers:
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer;
  • a transparent carrier substrate;
  • a red color coat;
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in der Farbe Rot.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color red.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.

Ausführungsbeispiel 8:Embodiment 8:

Ein weiteres erfindungsgemäßes Sicherheitselement weist die folgenden Schichten auf:

  • ein transparentes Trägersubstrat;
  • eine Prägelackschicht, z.B. einen UV-Lack, die insbesondere eine diffraktive Struktur bildende Reliefstruktur und/oder eine Mikrospiegelanordnung bildende Reliefstruktur enthält;
  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht;
  • einen blauen Farblack;
  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht.
Another security element according to the invention has the following layers:
  • a transparent carrier substrate;
  • an embossing lacquer layer, for example a UV lacquer, which contains in particular a relief structure forming a diffractive structure and / or a relief structure forming a micromirror arrangement;
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer;
  • a blue color coat;
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in der Farbe Blau.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the color blue.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr. Darüber nimmt der Betrachter bei Betrachtung der metallischen Schicht im Auflicht ein Hologramm und/oder eine Mikrospiegelanordnung wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light. When viewing the metallic layer in reflected light, the viewer perceives a hologram and / or a micromirror arrangement above it.

Ausführungsbeispiel 9:Embodiment 9:

Ein weiteres erfindungsgemäßes Sicherheitselement weist die folgenden Schichten auf:

  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht;
  • ein transparentes Trägersubstrat;
  • einen grünen Farblack, der in Form eines linienförmigen Musters aufgedruckt ist;
  • eine drucktechnisch mittels gelb eingefärbter Metallpigmente erhältliche, in gelber Farbe gefärbte metallische Schicht.
Another security element according to the invention has the following layers:
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer;
  • a transparent carrier substrate;
  • a green color coat printed in the form of a line-shaped pattern;
  • a printable by yellow colored metal pigments available, colored in yellow color metallic layer.

Das Sicherheitselement erscheint bei der Betrachtung im Durchlicht, sowohl von der Vorderseite, als auch von der Rückseite her, in Form eines linienförmigen, grünen Motivs.The security element appears when viewed in transmitted light, both from the front, as well as from the back, in the form of a line-shaped, green motif.

Der Betrachter nimmt das Sicherheitselement sowohl bei Betrachtung der Vorderseite im Auflicht, als auch bei Betrachtung der Rückseite im Auflicht, in goldener Farbe wahr.The observer perceives the security element in golden color both when viewing the front side in reflected light and when viewing the rear side in reflected light.

Claims (13)

  1. A semi-transparent security element for safeguarding value documents (1), which upon viewing in incident light and in transmitted light has different colors, comprising a transparent carrier substrate (4), characterized in that the security element has two metallic layers (3, 6) dyed in a first color, obtainable by printing technology by means of dyed metal pigments, having an ink layer (5) arranged therebetween appearing in a second color.
  2. The semi-transparent security element according to claim 1, comprising a transparent carrier substrate having a front side and a back side, wherein the front side has a metallic layer "V-a" dyed in a first color, obtainable by printing technology by means of dyed metal pigments, and the back side has, in the order, an ink layer "R-a" appearing in a second color and a metallic layer "R-b" dyed in a first color, obtainable by printing technology by means of dyed metal pigments.
  3. The semi-transparent security element according to claim 2, wherein the transparent carrier substrate on the front side and/or the back side is furnished with an emboss-lacquer layer which has in particular a relief structure forming a diffractive structure and/or a relief structure forming a micromirror arrangement.
  4. The semi-transparent security element according to claim 2 or 3, wherein a metallic layer "V-a" dyed in a first color obtainable by printing technology by means of dyed metal pigments, as well as the metallic layer "R-b" dyed in a first color, obtainable by printing technology by means of dyed metal pigments obtainable, respectively are metallic layers dyed in yellow and the ink layer "R-a" appearing in a second color is a blue ink layer.
  5. The semi-transparent security element for safeguarding value documents (1), which upon viewing in incident light and in transmitted light has different colors, comprising a transparent carrier substrate (4), having two semi-transparent metallic layers (3, 6) having an ink layer arranged therebetween characterized in that the layer arranged therebetween is an ink layer appearing in a first color.
  6. The semi-transparent security element according to claim 5, comprising a transparent carrier substrate having a front side and a back side, wherein the front side has, in the order, a semi-transparent metallic layer "V-A" and an ink layer "V-B" appearing in a first color and the back side has, in the order, an ink layer "R-A" appearing in a second color, a semi-transparent metallic layer "R-B" and an ink layer "R-C" appearing in a first color.
  7. The semi-transparent security element according to claim 6, wherein the transparent carrier substrate on the front side and/or the back side is furnished with an emboss-lacquer layer which has in particular a relief structure forming a diffractive structure and/or a relief structure forming a micromirror arrangement.
  8. The semi-transparent security element according to claim 6 or 7, wherein the semi-transparent metallic layer "V-A" and the semi-transparent metallic layer "R-B" are formed independently of each other of a metal and the metal respectively is chosen from the group consisting of Al, Ag, Ni, Cr, Cu, Au and an alloy of one or several the hereinabove mentioned elements.
  9. The semi-transparent security element according to any of claims 6 to 8, wherein an ink layer "V-B" appearing in a first color and the ink layer "R-C" appearing in a first color respectively is a yellow ink layer and the ink layer "R-A" appearing in a second color is a blue ink layer.
  10. The security element according to any of claims from 1 to 9, wherein the security element is an (endless) strip, an (endless) thread or a patch or label.
  11. A data carrier having a security element according to any of claims 1 to 10.
  12. The data carrier according to claim 11, wherein the data carrier is a value document, such as a bank note, in particular a paper bank note, polymer bank note or foil composite bank note, or identification card.
  13. The data carrier according to claim 11 or 12, wherein the security element is arranged above a window region formed in the data-carrier substrate.
EP16805288.4A 2015-12-01 2016-11-29 Security element and data carrier provided with the same Active EP3383663B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015015731.0A DE102015015731A1 (en) 2015-12-01 2015-12-01 Security element and the same equipped disk
PCT/EP2016/002014 WO2017092864A1 (en) 2015-12-01 2016-11-29 Security element and data carrier provided with the same

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EP3383663A1 EP3383663A1 (en) 2018-10-10
EP3383663B1 true EP3383663B1 (en) 2019-10-23

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EP16805288.4A Active EP3383663B1 (en) 2015-12-01 2016-11-29 Security element and data carrier provided with the same

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US (1) US10625533B2 (en)
EP (1) EP3383663B1 (en)
CN (1) CN108349291B (en)
AU (1) AU2016364123B2 (en)
CA (1) CA3004778C (en)
DE (1) DE102015015731A1 (en)
RU (1) RU2693921C1 (en)
WO (1) WO2017092864A1 (en)

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Publication number Priority date Publication date Assignee Title
CN112389111A (en) * 2019-08-19 2021-02-23 中钞特种防伪科技有限公司 Optical anti-counterfeiting element and optical anti-counterfeiting product

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DE10137831A1 (en) * 2001-08-02 2003-02-13 Merck Patent Gmbh Multilayer interference pigments
DE10226116A1 (en) * 2001-12-21 2003-07-03 Giesecke & Devrient Gmbh Security element and process for its manufacture
GB0326576D0 (en) 2003-11-14 2003-12-17 Printetch Ltd Printing composition
DE102007005884B4 (en) * 2007-02-07 2022-02-03 Leonhard Kurz Stiftung & Co. Kg security document
DE102007057658A1 (en) * 2007-02-07 2009-06-04 Leonhard Kurz Stiftung & Co. Kg Security document in the form of a multilayer film body for viewing in incident light and in transmitted light, comprises a carrier film and a partial metallic reflective layer in a first region that is transparent or semi-transparent
DE102007061828A1 (en) * 2007-12-20 2009-06-25 Giesecke & Devrient Gmbh Security element and method for its production
DE102009008853A1 (en) * 2009-02-13 2010-08-19 Giesecke & Devrient Gmbh Through security element
DE102009058243A1 (en) * 2009-12-14 2011-06-16 Giesecke & Devrient Gmbh Thin-film element with multilayer structure
GB201003136D0 (en) * 2010-02-24 2010-04-14 Rue De Int Ltd Optically variable security device comprising a coloured cast cured hologram
DE102010054760A1 (en) * 2010-12-16 2012-02-16 Giesecke & Devrient Gmbh Security element, method of making same and disk
EP2974879B1 (en) * 2013-03-12 2018-09-05 Toppan Printing Co., Ltd. Display body

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Publication number Publication date
WO2017092864A1 (en) 2017-06-08
DE102015015731A1 (en) 2017-06-01
EP3383663A1 (en) 2018-10-10
CA3004778A1 (en) 2017-06-08
RU2693921C1 (en) 2019-07-05
US20180354292A1 (en) 2018-12-13
US10625533B2 (en) 2020-04-21
CA3004778C (en) 2021-01-12
CN108349291A (en) 2018-07-31
CN108349291B (en) 2020-05-19
AU2016364123A1 (en) 2018-06-21
AU2016364123B2 (en) 2021-11-04

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