Resumen de: US2025303774A1
A flat document of value has a surface area having a longitudinal direction and a transverse direction and which is provided with a luminescence feature in the surface area. The luminescence feature includes a first luminescence marker in a first subarea and a second luminescence marker in a second, different subarea. The first and second luminescence markers are able to be excited to luminesce at the same wavelength and luminesce, after excitation, essentially in the same emission band in the infrared spectral range. The first and second luminescence markers have spectrally similar infrared emission spectra, namely infrared emission spectra that have a spectral difference between 0.5% and 15%. The first and second subarea are arranged so as to overlap one another in the surface area in projection onto the longitudinal direction and/or in projection onto the transverse direction.
Resumen de: US2025303775A1
The present invention relates to the field of methods for producing eye-catching overt security features exhibiting colorshifting properties as anti-counterfeit means on security documents or security articles as well as decorative purposes. In particular, the overt security feature exhibits comprises a) a substrate (×10), a color constant layer (×20) comprising magnetically oriented platelet-shaped magnetic or magnetizable pigment particles and an optically variable layer (×30) comprising a cholesteric liquid crystal polymer (CLCP) reflecting light in the visible spectrum range, wherein the platelet-shaped magnetic or magnetizable pigment particles of the color constant layer (×20) have substantially a same elevation angle α.
Resumen de: WO2025202167A1
A data carrier (1) for a secure article comprises a carrier body (2), and at least one security element (3) being provided on the carrier body (2). The security element (3) comprises at least one image (4) and at least one surface structure (5). The image (4) comprises at least one primary image (6) and at least one secondary image (7) being encoded in the primary image (6). The surface structure (5) comprises at least primary surface structure elements (8) and secondary surface structure elements (9). The image (4) is at least partially printed onto the primary surface structure elements (8). At least the secondary surface structure elements (9) are configured to decode the secondary image (7) when the data carrier (1) is viewed under different viewing angles (α) and/or illuminated under different illumination angles (β), whereby the secondary image (7) becomes observable.
Resumen de: US2025310431A1
The disclosure provides a screen protector that not only protects screens but also includes at least one image having levels of visibility according to different lighting conditions. Visibility of the image can also be based on a privacy filter. The privacy filter can be part of the screen protector. In one example, a privacy screen protector for a screen is disclosed that includes: (1) a substrate having an image, and (2) a privacy filter having a viewing angle that prevents viewing of content displayed on the screen that is not within the viewing angle and simultaneously allows viewing of the image at viewing angles that is not at or within the designated viewing angle, wherein viewing of the content is further based on activation of the screen.
Resumen de: MX2025010266A
Optically variable security device comprising: a substrate (10); an array of focussing elements (20, 21) disposed in or on the substrate; and an image array (30) disposed in or on the substrate and overlapping with the array of focussing elements, wherein the image array comprises at least first (11) and second (12) sets of image elements, the first set of image elements and the second set of image elements being interleaved with each other, wherein the image array comprises a first ink and a second ink different from the first ink, one or both of the first and second inks comprising a luminescent material.
Resumen de: MX2025010657A
Micro-optic devices including micro-optic devices which include an optical spacer (110) having a first side and a second side, an icon layer (120) comprising a plurality of image icons of a first color disposed on the first side of the optical spacer, and a focusing layer (105) comprising a plurality of refractive focusing elements (107) disposed on the second side of the optical spacer. The plurality of refractive focusing elements project a synthetically magnified image of the plurality of image icons, and image icons of the first color project a component of the synthetically magnified image that is of the first color. Additionally, the refractive focusing elements are doped with a machine readable taggant which emits a characteristic signal at a first frequency in the ultraviolet spectrum.
Resumen de: MX2025010803A
A micro-optic security device (105) includes a planar array of microlenses (305), which are configured to focus light along a plurality of focal paths (610) associated with a viewing angle. The micro-optic security device further includes an icon layer stack (905) disposed along the plurality of focal paths. The icon layer stack includes a first icon layer (620) with volumes of cured material of a first color (613b) and volumes of substantially transparent material at locations outside of focal paths of the first range of viewing angles. The icon layer stack also includes a second icon layer (640) with volumes of substantially transparent cured material at locations along focal paths of the first range of viewing angles, and volumes of cured material of a second color (637a) at locations along focal paths of a second range of viewing angles.
Resumen de: EP4624185A1
A data carrier (1) for a secure article comprises a carrier body (2), and at least one security element (3) being provided on the carrier body (2). The security element (3) comprises at least one image (4) and at least one surface structure (5). The image (4) comprises at least one primary image (6) and at least one secondary image (7) being encoded in the primary image (6). The surface structure (5) comprises at least primary surface structure elements (8) and secondary surface structure elements (9). The image (4) is at least partially printed onto the primary surface structure elements (8). At least the secondary surface structure elements (9) are configured to decode the secondary image (7) when the data carrier (1) is viewed under different viewing angles (α) and/or illuminated under different illumination angles (β), whereby the secondary image (7) becomes observable.
Resumen de: WO2024155729A1
The present invention provides a method of producing a security mark by printing with a security ink, and an optical detection method to authenticate the security mark. The security ink contains an organic fluorescent molecule in an aggregated state with a highly red-shifted and broadened fluorescence spectrum compared to the monomeric state of the same material, and capable of tuning of the wavelength and intensity of fluorescence as a function of concentration.
Resumen de: WO2024110904A1
A process for manufacture of a flexographic printing plate pursuant to a plurality of process steps, including at least an imaging step, a curing step, a washing or other non-cured-polymer-removal step, each step performed by a processing machine having at least one variable operating parameter. The process includes providing a smart plate tracking (SPT) code on each flexographic printing plate, storing in computer memory instructions readable by a computer processor information corresponding to the at least one variable operating parameter for each of the processing machines in association with the SPT code, and in response to receiving the SPT code as an input from a user or machine interface corresponding to one of the processing machines, the computer processor returning instructions corresponding to one of the processing machines.
Resumen de: US2025296316A1
Techniques for manufacturing a light field print using a printing press. The techniques include: identifying at least one characteristic of the printing press at least in part by printing at least one calibration pattern; obtaining content to be rendered using the light field print, the content comprising multiple scene views; generating, based at least in part on the content and the at least one characteristic of the printing press, a front target pattern and a back target pattern; and using the printing press to: print the front target pattern on a first side of a substrate; and print the back target pattern on a second side of the substrate.
Resumen de: US2025296380A1
According to examples, an article may include a base layer that extends along a first dimension and a second dimension, in which the second dimension is orthogonal to the first dimension. The article may also include reflective ribbons provided on an upper surface of the base layer, in which the reflective ribbons positioned along a common plane extending in the second dimension have dihedral angles that change as a function of distance across the common plane.
Resumen de: WO2025199506A1
A security document includes a printable substrate (105, 301, 401, 501, 601, 701) having a hybrid security feature (320, 400, 510, 600, 700). The hybrid security feature includes a first sub-region (305, 605, 705) comprising a first area of optically variable ink, and a second sub-region (310, 405a-c, 610, 710) comprising a second area of a first fluorescent ink. The first fluorescent ink of the second sub-region glows only under ultraviolet light. The hybrid security feature presents an optically variable effect characterized by, when viewed in natural light, the optically variable ink of the first sub-region presents an optically variable effect, and the first fluorescent ink of the second sub-region does not glow, and when viewed in ultraviolet light, the optically variable ink of the first sub-region appears as one or more solid colors, and the first fluorescent ink of the second sub-region glows.
Resumen de: DE102024108177A1
Die Erfindung betrifft eine für Laserstrahlen resistente Maskierungsplatte, eine Anordnung und ein Verfahren zum Erzeugen mindestens eines taktil erfassbaren Rasterelements (102) eines Rasters (104) an oder in einem Substrat (100). Das Verfahren umfasst die Schritte des Bereitstellens des Substrats (100) aus einem Substratmaterial sowie des lokalen Aufschäumens des Substratmaterials (100) mit einem Laserstrahl (106) einer Laserquelle (108), wodurch das mindestens eine Rasterelement (102) des Rasters (104) erzeugt wird, wobei a) auf das Substrat (100) eine gegenüber dem Laserstrahl (106) resistente Maskierungsplatte (110) aufgebracht wird, bevor das mindestens eine Rasterelement (102) erzeugt wird, welche mindestens ein an das Rasterelement (102) angepasstes Durchgangsloch (112) aufweist, wobei das lokale Aufschäumen des Substratmaterials durch das mindestens eine Durchgangsloch (112) der Maskierungsplatte (110) hindurch erfolgt; oder wobei b) auf das Substrat (100) ein der Strahlführung des Laserstrahls (106) dienendes Führungsrohr aufgesetzt wird, wobei durch das lokale Aufschäumen des Substratmaterials durch das Führungsrohr hindurch das Rasterelement (102) erzeugt wird.
Resumen de: EP4620697A1
Die Erfindung betrifft eine für Laserstrahlen resistente Maskierungsplatte, eine Anordnung und ein Verfahren zum Erzeugen mindestens eines taktil erfassbaren Rasterelements (102) eines Rasters (104) an oder in einem Substrat (100). Das Verfahren umfasst die Schritte des Bereitstellens des Substrats (100) aus einem Substratmaterial sowie des lokalen Aufschäumens des Substratmaterials (100) mit einem Laserstrahl (106) einer Laserquelle (108), wodurch das mindestens eine Rasterelement (102) des Rasters (104) erzeugt wird, wobei a) auf das Substrat (100) eine gegenüber dem Laserstrahl (106) resistente Maskierungsplatte (110) aufgebracht wird, bevor das mindestens eine Rasterelement (102) erzeugt wird, welche mindestens ein an das Rasterelement (102) angepasstes Durchgangsloch (112) aufweist, wobei das lokale Aufschäumen des Substratmaterials durch das mindestens eine Durchgangsloch (112) der Maskierungsplatte (110) hindurch erfolgt; oder wobei b) auf das Substrat (100) ein der Strahlführung des Laserstrahls (106) dienendes Führungsrohr aufgesetzt wird, wobei durch das lokale Aufschäumen des Substratmaterials durch das Führungsrohr hindurch das Rasterelement (102) erzeugt wird.
Resumen de: WO2024104684A1
The present invention relates in particular to a magnetizing device (B) intended to be placed in an exposure and transfer cylinder for orienting particles sensitive to magnetic fields, comprising a main magnet assembly (10) in the form of a plate, a plurality (20) of secondary magnets (20i) forming a two-dimensional array, said secondary magnets (20i) being small relative to the main magnet assembly (10), the poles of the magnets of said plurality (20) of secondary magnets (20i) being oriented in a direction extending in a plane generally parallel to the midplane (P) of the main assembly (10); in said plurality of secondary magnets (20i): each magnet being separated from the neighbouring magnet by a space; said array of secondary magnets (20i) extending along a curved surface; the magnets of the device (B) being shaped so that the magnetic field lines generated by these magnets act at a distance greater than the distance (D) by which they are embedded.
Resumen de: US2025291529A1
An image forming device includes a memory; and at least one processor in communication with the memory. The at least one processor of the image forming device is configured to perform: receiving job information for executing a function of the image forming device from a terminal, the job information including user information; based on the user information included in the received job information, logging a user into the image forming device; executing a job based on the received job information; and based on execution of the job, logging out the user from the image forming device.
Resumen de: US2025289261A1
An optical security element may be printed on a substrate. The optical security element may include a plurality of bifunctional pigment flakes provided in a binder. A bifunctional pigment flake in the plurality of bifunctional pigment flakes may comprise a first surface having a diffraction grating relief with a first modulation, and a second surface having a second modulation that is smaller than the first modulation. The plurality of bifunctional pigment flakes are arranged such that, in a presence of incident light, diffraction colors are exhibited by a first subset of the plurality of bifunctional pigment flakes that are in a first region of the optical security element, and an interference color is exhibited by a second subset of the plurality of bifunctional pigment flakes that are in a second region of the optical security element.
Resumen de: WO2025192268A1
A composition for a forgery prevention layer for forming a forgery prevention layer in a semiconductor device includes pattern formation particles formed by an inorganic material having a refractive index n of 3 or more.
Resumen de: WO2025190834A1
The present invention provides a method for printing features on a page (205) of a passport, the method comprising the following steps: - applying a first ink (211) to the page (205) of the passport on a first area (221) in the form of a first feature (111), - allowing the first ink (211) to sink into the page (205) of the passport to a first depth (231), - applying a second ink (212) to the page (205) of the passport on a second area (222) in the form of a second feature (112) at a second depth (232) including a depth of 0 - fixing the first feature (111) in the first area (221) at the first depth (231) and fixing the second feature in the second area (222) at the second depth (231). Further it is provided a device for printing features on a page (205) of a passport.
Resumen de: EP4617078A1
The present invention provides a method for printing features on a page (205) of a passport, the method comprising the following steps:- applying a first ink (211) to the page (205) of the passport on a first area (221) in the form of a first feature (111),- allowing the first ink (211) to sink into the page (205) of the passport to a first depth (231),- applying a second ink (212) to the page (205) of the passport on a second area (222) in the form of a second feature (112) at a second depth (232) including a depth of 0- fixing the first feature (111) in the first area (221) at the first depth (231) and fixing the second feature in the second area (222) at the second depth (231). Further it is provided a device for printing features on a page (205) of a passport.
Resumen de: EP4617079A1
Optical security element printed on a substrate and including bifunctional pigment flakes in a binder. Each flake comprises a first surface having a diffraction grating relief with a first modulation m1, and a second surface having a second modulation m2 that is smaller than the first modulation. A flake 500 can comprise a multilayer optical structure 502 including a first optical stack 704a including an absorber layer 706a1, a transparent layer 708a1, an absorber layer 706a2, a transparent layer 708a2 and a reflector layer 710a; a second optical stack 704b including a reflector layer 710b, a transparent layer 708b1, an absorber layer 706b1, a transparent layer 708b2, an absorber layer 706b2; an intermediate layer 712; and a magnetizable layer 714. By increasing the thickness of the structure 502, the thickness of one or more transparent layers 708 may serve to reduce the modulation m2, as compared to the modulation m1.
Resumen de: US2025281817A1
The present disclosure relates to a method for manufacturing a trading card with improved surface characteristics and a trading card manufactured by the method, and provides a method for manufacturing a trading card and a trading card manufactured by the method in which the trading card has a thick UV varnish coating layer, excellent gloss without generating bubbles and improved adhesion of the coating layer by printing and applying UV varnish again on the upper part of the trading card with the UV varnish coating layer and then curing it again.
Resumen de: WO2024094521A1
The present invention relates to a security optical component (100) that is transferable to a blank of a document to be secured, comprising: - a support film (110) intended to be removed after transfer; - a detachment layer (120) for removing the support film (110) after transfer; - a set of security layers (140) providing a recognizable optical effect; - a protective varnish layer (130), arranged on a first face of the security layers (140); - a first transparent glue layer (150), arranged on a second face of the security layers (140), for fixing the security layers (140) when transferring the security optical component (100) onto the blank. It is essentially characterized in that it further comprises: - a second transparent glue layer (160) intended to fix the set of security layers (140) onto the blank.
Nº publicación: EP4612244A1 10/09/2025
Solicitante:
SICPA HOLDING SA [CH]
Sicpa Holding SA
Resumen de: MX2025005177A
The invention relates to the field of UV curable security ink compositions comprising rylene-based compounds, radically curable monomers, oligomers or mixtures thereof, and radical photoinitiators. The invention further relates to security features obtained by applying or printing the security ink compositions, articles or documents containing said security features and method of preparing the security features comprising the UV curable security ink compositions.