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Resumen de: US2024391271A1
A method for producing a data carrier includes a luminescent security element having at least two subregions, which at least do not completely overlap one another.
Resumen de: US2024393513A1
The invention refers to a color holographic foil for protection of goods and documents from forgery and falsification. It includes successively placed foil base (1), release layer (2), embossing layer (3), reflective layer (4) and adhesive layer (5). The embossing layer comprises smooth areas (6) and micro-relief areas (7). The thickness of the optical reflective layer (4) is inversely proportional to the depth of the depressions in the micro-relief areas. At least two of the micro-relief areas are dyed areas (10) with embossing layer colored with a dye in different saturations of a single color tone. The saturation is directly proportional to the depth of the depressions. At least one dyed area is a multi-bonded area (11), having at least one micro-relief boundary (12) and at least one smooth boundary (13). The topography of the micro-relief in said multi-bonded areas is different from the topography of the neighbouring dyed areas.
Resumen de: CO2023017147A1
Método para registrar una matriz de subpíxeles dispuestos dentro de un documento de seguridad, estando cada uno de los subpíxeles asociados con un color y una posición de destino, el documento comprende además marcas de registro dispuestas alrededor o dentro de la matriz de subpíxeles (SP), el método comprende: a - obtener la posición dentro del documento de las marcas de registro (MR), b - determinar una posición intermedia (PI) ubicada entre por lo menos dos posiciones de marcas de matrícula obtenidas y adyacentes, c - determinar la posición (SPI) del subpíxel asociado con un color de interés más cercano a la posición intermedia, d - determinar un conjunto de parámetros de curvas de interpolación que pasan por las posiciones de las marcas de registro y por la posición de dicho subpíxel asociado al color de interés (SPI), e - registrar la matriz.
Resumen de: GB2630437A
A method of manufacturing a lottery ticket 300 comprises: printing a variable indica 305 on a first area of a substrate, the variable indica having a component colour printing error 302,303; and printing a background 301 on a second area of the substrate, the background having the same colour component printing error. The background has an additional component colour not present in the variable indicia. A lottery ticket formed by the method includes a scratch off coating covering the variable indicia. The printing method ensures that any printing defects present in the variable indicia also occur in the background on the lottery ticket. By ensuring that random printing defects in the variable indicia also appear in the same lottery ticket background, detection of the printing defects becomes more readily apparent.
Resumen de: WO2024235461A1
The present disclosure provides an identification card (1), including a base sheet (2) and on top of said base sheet an information layer containing at least one feature made of a first material, which is transparent for white light and which under irradiation with electromagnetic radiation which is not in the visible spectrum is opaque and/or colored and/or emits colored light. The feature is at least laterally embedded in a layer made of a second material, which is transparent for white light and which, is or is not under irradiation with electromagnetic radiation which is not in the visible spectrum opaque and/or colored and/or does or does not emit colored light.
Resumen de: US2024386447A1
The present invention relates to a label (1, 1′, 1″, 1′″) for verifying authenticity of items, the label (1, 1′, 1″, 1′″) being configured to be attached to items and comprising a plurality of focusing micro-optical elements (3) and a micropartide layer (5) comprising a plurality of luminescent and/or scattering microparticles (7), wherein the plurality of focusing micro-optical elements (3) and the microparticle layer (5) are arranged so that at least a part of light emitted and/or scattered from the plurality of luminescent and/or scattering microparticles (7) reaches the plurality of focusing micro-optical elements (3).
Resumen de: WO2024235464A1
Identification card (1), including a base sheet (2) and on top of said base sheet an information layer (8) containing at least one feature made of a first material, which is transparent for white light and which is or is not under irradiation with electromagnetic radiation which is not in the visible spectrum (eg UV-light or IR-light) opaque and/or colored and/or emits colored light. The feature is directly or via an intermediation of one or more layers inkjet printed on a surface of the base sheet (2) such that it protrudes therefrom. The protrusion height is 2 µm to 13 µm. The base sheet can have a laser engraved image.
Resumen de: DE102023112927A1
Die Erfindung betrifft eine Druckplattenkombination (100) aus einer belichteten ersten Druckplatte (102) und mindestens einer belichteten zweiten Druckplatte (104), wobei die Belichtung der Druckplatten (102, 104) einem einzigen gemeinsamen Druckraster (200) zugrunde liegt, der aus in Rasterzellen unterteilten Rasterelementen (106) besteht, deren Mittelpunkte über die Rasterzellen (106) gleichverteilt sind, so dass der Abstand der Mittelpunkte benachbarter Rasterelemente (106) konstant ist, wobei sich einzelne Rasterelemente (106) des Druckrasters (200) auf der ersten Druckplatte (102) befinden, die auf der mindestens einen zweiten Druckplatte (104) nicht vorhanden sind, und wobei sich einzelne Rasterelemente (106) auf der mindestens einen zweiten Druckplatte (104) befinden, die auf der ersten Druckplatte (102) nicht vorhanden sind. Die Erfindung betrifft außerdem ein Verfahren zum Herstellen einer solchen Druckplattenkombination (100), einen Sicherheitsdruck (300) mit einer solchen Druckplattenkombination (100), ein Ausweis-, Wert- oder Sicherheitsdokument mit einem solchen Sicherheitsdruck (300) und ein Verfahren zum Anfertigen eines solchen Sicherheitsdrucks (300). Die Erfindung betrifft zudem ein Verfahren zur Verifikation des Sicherheitsdrucks (300).
Resumen de: WO2023135029A1
The invention relates to an optically variable security element for protecting information carriers (1), comprising at least two luminescent dyes (F) which cover, at least in some regions, one and/or two sides of a planar substrate. The at least two luminescent dyes (F) comprise a fluorescent dye and a phosphorescent dye, wherein preferably the at least two luminescent dyes (F), preferably the fluorescent dye and the phosphorescent dye, are superimposed on one another, at least in some regions, in order to produce a mixed colour by luminescence. The invention further relates to a method for authenticating an information carrier (1) protected by means of an optically variable security element (10).
Resumen de: EP4464515A1
A method, apparatus and system for rendering a security mark, can involve providing two variable layers of data text for a security mark including a first variable layer and a second variable layer, and applying the security mark to a recording medium using the two variable layers to create a third variable layer of the security mark. The second variable layer can be applied out of phase or orthogonally from the first variable layer at the same frequency, which can form the third variable layer with data text that is decodable. The third variable layer with the data text can be decodable with a decoding screen. In addition, the first, second, and third variable layers can share the same area. The security mark may comprise a correlation mark.
Resumen de: WO2024038086A1
A method for generating at least one security feature on a banknote or a tax stamp, comprising: i) providing a substrate sheet in form of a sheet of paper or of a polymer foil or a composite, ii) printing onto at least one of the two surfaces of the substrate sheet at least one printing ink layer, extending over at least part of the substrate sheet, and wherein the printing ink comprises: a) at least one pigment and/or b) one dye, which changes its luminescence and/or its infrared absorption intensity upon exposition to laser radiation so that the integral of the emission curve obtained after excitation of the at least such pigment /dye after step iv) is at least 10% lower than the the corresponding one before step iv) iii) curing the printing ink layers, iv) exposing the printed substrate before, during and/or after the curing step iii) to laser radiation so as to create at least one security feature on the at least one banknote of the printed substrate sheet.
Resumen de: EP4464517A1
Disclosed is a method for producing an anti-counterfeiting label, the method comprising a laser printing method comprising: providing a donor material (102), the donor material (102) comprising a precursor (106) on a first side of the donor material (102), wherein the precursor (106) is a carbon-based chemical compound; providing an acceptor material (112), wherein an acceptor side of the acceptor material (112) is arranged adjacent to the first side of the donor material (102); annealing the precursor (106) by a laser (108), wherein the laser (108) is controlled with laser parameters adjusted to convert the precursor (106) to solid-state fluorescent carbon nanodots; and removing the donor material (102) to receive the solid-state fluorescent carbon nanodot-based anti-counterfeiting label on the acceptor side of the acceptor material (112).
Resumen de: WO2024231418A1
The present invention relates to compositions, comprising silver nanoplatelets, wherein the silver nanoplatelets are capped by a compound of formula (XX), wherein R41 is a C4-C25alkyl group, which may be interrupted by one, or more oxygen atoms, and n is a number 1 to 10, especially 1 to 4, very especially 1, or 2, a process for its production, printing inks containing the compositions and their use in security products. The capping with the compound of formula (XX) renders the surface on the nanoparticles more hydrophobic, while maintaining colloidal stability of their dispersions in organic solvents and/or monomer compositions. This combination of properties allows for production of stable UV curable coating/printing compositions, suitable for manufacture of dichroic security elements for protection of value documents. The surface modification, described in the present invention is suitable for silver nanoplatelets of different sizes and, correspondingly, colors, and is especially useful for manufacture of solvent-free coating, or printing compositions.
Resumen de: DE102023111992A1
Die Erfindung betrifft ein Sicherheitselement (20) zur Absicherung von Wertgegenständen (10), mit einer Motivschicht auf Basis eines flüssigkristallinen Materials, das zu Ausbildung eines latenten Motivs ausgelegt und bestimmt ist. Erfindungsgemäß ist dabei vorgesehen, dass das Sicherheitselement (20) eine auf einer Trägerfolie (22) angeordnete erste Prägelackschicht (26), eine partiell vorliegende Motivschicht (30) auf Basis eines nematischen flüssigkristallinen Materials und eine ein- oder mehrschichtige vollflächig vorliegende zweite Prägelackschicht (34) umfasst. Die erste Prägelackschicht (26) ist mit einer Prägung versehen, die zur Ausbildung eines zweiten latenten Motivs zumindest zwei Bereiche (28A, 28B) mit Ausrichtungsstrukturen unterschiedlicher Orientierung aufweist. Die Motivschicht (30) ist in Form eines ersten latenten Motivs bereichsweise direkt auf der ersten Prägelackschicht (26) und überlappend mit den das zweite latente Motiv bildenden Bereichen (28A, 28B) angeordnet. Dabei ist das flüssigkristalline Material durch die motivbildenden Bereiche in Form des zweiten latenten Motivs mit jeweils unterschiedlicher Orientierung homogen ausgerichtet, so dass das von den unterschiedlichen Ausrichtungsstrukturen gebildete Motiv bei Betrachtung durch einen Polarisator erkennbar ist. Die zweite Prägelackschicht (24) ist mit einer Prägung zur Erzeugung einer mikrooptischen Reliefstruktur (38) und einer reflexionserhöhenden Beschichtung (36) versehen.
Resumen de: US2024376374A1
Proposed is a dual-light-emitting material that includes a porous framework composed of a metal ion and an organic ligand, an insert body placed in a cavity of the porous framework, and a nanocrystal containing the metal ion of the porous framework, wherein the organic ligand is configured to emit room-temperature organic phosphorescence (RT-OP) and the nanocrystal is configured to emit fluorescence.
Resumen de: US2024375423A1
A security element for safeguarding of articles of value, has a motif layer based on a liquid-crystalline material intended and destined to form a latent motif. The security element includes a first embossing varnish layer disposed on a carrier film, a partial motif layer based on a nematic liquid-crystalline material, and a single- or multilayer second embossing varnish layer present over the full area. The first embossing varnish layer has been provided with an embossment having at least two regions with alignment structures of different orientation for formation of a second latent motif. The motif layer, in the form of a first latent motif, is disposed in regions directly atop the first embossing varnish layer and in an overlapping arrangement with the regions that form the second latent motif.
Resumen de: US2024375424A1
A secure device for securing an article that includes at least one connection element, at least one data carrier, and at least one security element. The connection element is configured to be connected to the article, and the data carrier is in connection with the connection element and is configured to be connected to the article via the connection element. The connection element is configured to interact with impinging electromagnetic radiation such, that at least one marking element is generated in the connection element upon the impingement of the electromagnetic radiation. The data carrier is configured to interact with impinging electromagnetic radiation such, that at least one further marking element is generated in the data carrier upon the impingement of the electromagnetic radiation. The security element comprises or consists of the marking element of the connection element and of the further marking element of the data carrier.
Resumen de: US2024375425A1
A security feature for a value document, into which positives of a representation are introduced by at least one laser beam, includes at least one laser-sensitive recording layer which is transparent in the visible spectral range, light-diffracting or light-refracting structures that are arranged on a first side of the recording layer, a positive and an image-processed positive. One of the positives or the image-processed positive is introduced into the at least one recording layer by a laser beam from a first direction through the light-diffracting or light-refracting structures and is visible when viewed from the first direction. The other of the positives or the image-processed positive is introduced into the at least one recording layer by a laser beam from a second direction and is visible when viewed from the second direction.
Resumen de: AU2023273118A1
The invention relates to a value document (1), such as a bank note, a cheque, a credit card or other payment card, an identity card or the like, which has a front side and a rear side. The value document (1) features, when looked through, a first transparent image that is visible to the unaided eye and has specific dimensions (L, B) when viewed from above. The value document (1) has a substrate body (2) which, when viewed from above, has the specific dimensions (L, B) and is connected to a first transparent film (18), which has an inner side and an outer side, in such a way that the substrate body (2) bears against the inner side of the first transparent film (18) so that the substrate body (2) faces the rear side and the outer side of the first transparent film (18) faces the front side. The first transparent film (18) also has the specific dimensions (L, B) when viewed from above, and the first transparent image that is visible when looked through is produced by a first metallised and/or printed structure which is located on the inner side of the first transparent film (18). The first metallised and/or printed structure is covered with a translucent colour layer.
Resumen de: EP4461556A2
The invention generally relates to a security sheet or document having one or more enhanced watermarks. In one exemplary embodiment, the inventive security sheet or document is a single-ply paper that is made up of a paper layer including one or more watermarks, and a micro-optic security device (e.g., a patch or thread) that at least partially covers an upper or face portion of the watermark(s). The overlying patch or thread increases the durability of the watermark(s), thereby allowing for the watermark(s) as well as reduced fiber density areas therein to be made larger, and further allowing for the reduced fiber density areas to be made thinner. In a preferred embodiment, the micro-optic security device projects one or more synthetic images that coordinate or link in with the watermark design(s). In a more preferred embodiment, the micro-optic security device offers a machine detectable/readable feature in the form of enhanced IR-brightness, especially when measured in transmission. As will be readily appreciated, the inventive security sheet or document offers greatly improved counterfeit-resistance.
Resumen de: EP4461555A1
Die Erfindung betrifft ein Sicherheitselement (20) zur Absicherung von Wertgegenständen (10), mit einer Motivschicht auf Basis eines flüssigkristallinen Materials, das zu Ausbildung eines latenten Motivs ausgelegt und bestimmt ist. Erfindungsgemäß ist dabei vorgesehen, dass das Sicherheitselement (20) eine auf einer Trägerfolie (22) angeordnete erste Prägelackschicht (26), eine partiell vorliegende Motivschicht (30) auf Basis eines nematischen flüssigkristallinen Materials und eine ein- oder mehrschichtige vollflächig vorliegende zweite Prägelackschicht (34) umfasst. Die erste Prägelackschicht (26) ist mit einer Prägung versehen, die zur Ausbildung eines zweiten latenten Motivs zumindest zwei Bereiche (28A, 28B) mit Ausrichtungsstrukturen unterschiedlicher Orientierung aufweist. Die Motivschicht (30) ist in Form eines ersten latenten Motivs bereichsweise direkt auf der ersten Prägelackschicht (26) und überlappend mit den das zweite latente Motiv bildenden Bereichen (28A, 28B) angeordnet. Dabei ist das flüssigkristalline Material durch die motivbildenden Bereiche in Form des zweiten latenten Motivs mit jeweils unterschiedlicher Orientierung homogen ausgerichtet, so dass das von den unterschiedlichen Ausrichtungsstrukturen gebildete Motiv bei Betrachtung durch einen Polarisator erkennbar ist. Die zweite Prägelackschicht (24) ist mit einer Prägung zur Erzeugung einer mikrooptischen Reliefstruktur (38) und einer reflexionserhöhenden Beschichtung (36) versehen.
Resumen de: US2024370683A1
A method for detecting a component including a concealed pattern includes: detecting infrared electromagnetic radiation reflected or emitted by a component including a first pattern, the component including: a substrate; the first pattern disposed over at least a portion of the substrate; an optional primer layer disposed between at least a portion of the substrate and at least a portion of the first pattern; and a first visibly opaque layer including an infrared transparent pigment, the first visibly opaque layer disposed over at least a portion of the first pattern; and comparing the reflectivity and/or absorbance of infrared electromagnetic radiation by the first pattern at one wavelength to the reflectivity and/or absorbance by the primer layer and/or the substrate at the same wavelength.
Resumen de: US2024367454A1
The invention relates to a security feature for a security and/or value document which comprises a mixture of electrically conductive field displacement elements which are electrically insulated within the security or value document, and a zinc sulfide luminophore in the form of particles, which mixture is applied to a security and/or value document by means of a printing technology. The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0
Resumen de: US2024371226A1
An optical device includes an array of lenses and a plurality of first and second segments disposed under the array of lenses. At a first viewing angle, the array of lenses presents a first image for viewing without presenting the second image for viewing, and at a second viewing angle different from the first viewing angle, the array of lenses presents for viewing the second image without presenting the first image for viewing. In some examples, individual ones of the first and second segments can comprise specular reflecting, transparent, diffusely reflecting, and/or diffusely transmissive features. In some examples, individual ones of the first and second segments can comprise transparent and non-transparent regions. Some examples can incorporate more than one region producing an optical effect.
Nº publicación: EP4458584A1 06/11/2024
Solicitante:
SONY GROUP CORP [JP]
Sony Group Corporation
Resumen de: EP4458584A1
A recording medium whose authenticity can be assessed is provided.The recording medium includes a base material and a recording layer. The recording layer has an irregular surface including random irregularities, and includes an electron-donating coloration compound, an electron-accepting color developer, and a matrix resin.
BOPI
Sede Electrónica
