Patents Assigned to OVD Kinegram AG
  • Patent number: 11345178
    Abstract: A security element with one or more first microstructures, wherein the first microstructures are provided in each case in one or more tracks which are curved at least in sections or in one or more sections of a track which are curved at least in sections, and/or in each case run along one or more tracks which are curved at least in sections or along one or more sections of a track which are curved at least in sections, and a method, wherein at least one file containing image points of one or more image elements is provided, which includes the locational arrangement of the image points, and one or more tracks which are curved at least in sections or one or more sections of one or more tracks which are curved at least in sections are determined from the locational arrangement of the image points, and in the one or more tracks or sections of tracks in each case one or more first microstructures are provided which, when illuminated, provide a first item of optically variable information.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: May 31, 2022
    Assignee: OVD KINEGRAM AG
    Inventors: Harald Walter, Corrado Fraschina, Sebastian Mader
  • Patent number: 11155112
    Abstract: A method and a security element with a front side and a rear side lying opposite the front side, wherein the security element has two or more security features, wherein a first security feature of the two or more security features has one or more first layers and a second security feature of the two or more security features has one or more second layers, wherein the first security feature and the second security feature are in particular arranged in register with each other, wherein the first security feature generates at least one first optically variable effect and the second security feature generates at least one second optically variable effect, wherein the at least one first optically variable effect has a first color and the at least one second optically variable effect has a second color, wherein the first color and the second color differ from each other, as well as a method for producing a security element.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: October 26, 2021
    Assignees: LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AG
    Inventors: Ludwig Brehm, Anja Cathomen, Christian Schulz, René Staub, Harald Walter
  • Patent number: 11124011
    Abstract: A method for producing a security element, wherein a base film is provided, which has a first carrier film and a single- or multilayered decorative ply, wherein a first adhesive layer is applied to a second carrier film and a second adhesive layer is applied to the surface of the first carrier film facing away from the decorative ply or wherein the second adhesive layer is applied to the surface of the first carrier film facing away from the decorative ply and the first adhesive layer is applied to the second adhesive layer, and wherein the second carrier film is applied to the first carrier film such that the first adhesive layer and the second adhesive layer are arranged between the first carrier film and the second carrier film.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: September 21, 2021
    Assignee: OVD KINEGRAM AG
    Inventors: Anja Cathomen, Marjorie Annabelle Neel
  • Patent number: 11077700
    Abstract: A multilayer body includes a transparent first layer. In the transparent first layer, a multiplicity of microlenses arranged in accordance with a microlens grid are impressed in a first region. Furthermore, the multilayer body includes a second layer, which is arranged below the first layer and in a fixed position with respect to the first layer and has a multiplicity of microimages arranged in accordance with a microimage grid and in each case in an at least regional overlap with one of the microlenses of the microlens grid for the purpose of generating a first optically variable information item. The grid pitches of the microimage grid and of the microlens grid in each case in at least one spatial direction are less than 300 ?m.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: August 3, 2021
    Assignee: OVD KINEGRAM AG
    Inventors: Andreas Schilling, Wayne Robert Tompkin, Achim Hansen
  • Patent number: 11077697
    Abstract: A security document with a first security element, which includes a first item of visually recognizable and in particular machine-readable information, and a second security element, which includes a second item of in particular machine-readable information which can be used to verify the first item of information. A method for the authentication thereof is also described.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: August 3, 2021
    Assignee: OVD KINEGRAM AG
    Inventors: John Anthony Peters, Achim Hansen, Rene Schadler
  • Patent number: 11068681
    Abstract: A method for verifying a security document by means of a reading device wherein first transmission and/or reflection properties of a first region of the security document are detected in a first spectral range by the reading device and a first data set specifying these properties is generated therefrom, wherein the first region at least in some regions overlaps an optical security element arranged on the security document or embedded in the security document and wherein second transmission and/or reflection properties of the first region of the security document are detected in a second spectral range by the reading device and a second data set specifying these properties is generated therefrom, wherein the first spectral range differs from the second spectral range, and wherein, the authenticity of the security document and/or of the security element is checked on the basis of at least the first data set and the second data set.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 20, 2021
    Assignees: Kurz Digital Solutions GmbH & Co. KG, OVD Kinegram AG
    Inventors: Uwe Frieser, Michael Grau, René Staub, Michael Hoffmann
  • Patent number: 10896365
    Abstract: A multilayer body with a functional layer which includes an antenna element as well as with an optical security element which includes at least one electrically conductive partial region which is galvanically connected to the antenna element. A security document with such a multilayer body, as well as a method for the authentication thereof.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: January 19, 2021
    Assignee: OVD KINEGRAM AG
    Inventors: Rene Staub, Sascha Mario Epp, Orvy Emanuel Toberer, John Anthony Peters
  • Patent number: 10882351
    Abstract: A method for producing a multilayer body, with the steps of: a) providing a substrate film with a replication layer; b) molding a surface relief appearing to the observer in the form of a three-dimensional free-form surface, which is formed in particular by structures with a lens-like design generating a magnifying, demagnifying or distorting effect, into a surface of the replication layer; c) applying a first metal layer to the surface of the replication layer forming the surface relief; d) wet-chemically applying an at least partially transparent spacer layer to the metal layer; e) applying a second metal layer to the spacer layer.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: January 5, 2021
    Assignees: LEONHARD KURZ Stiftung & Co. KG, OVD KINEGRAM AG
    Inventors: Harald Walter, Ludwig Brehm, Sebastian Mader, Wayne Robert Tompkin, Eser Alper Unal
  • Patent number: 10850552
    Abstract: A method for producing a security element formed as a lenticular flip, including a micro-optical layer, a carrier substrate and an image layer, wherein the image layer includes n images for n=1 to i which are visible from an n-th observation angle allocated to the n-th image, and wherein n is at least 1. The images are imaged on a photoresist with parallel light in contact print or by means of projection. After the photoresist is developed, an image layer which includes the i images is present.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: December 1, 2020
    Assignee: OVD KINEGRAM AG
    Inventors: Andreas Schilling, Rene Staub, Philipp Schuler, Achim Hansen
  • Patent number: 10850551
    Abstract: A method for producing a multi-layer body, in particular a security element, in which a partial first layer or partial first layer system is produced on a substrate, wherein the partial first layer or partial first layer system is present in a first partial area and not in a second partial area. Subsequently, a partial second layer or partial second layer system is produced, wherein the partial second layer or partial second layer system is present in a third partial area and not in a fourth partial area, and wherein the third partial area overlaps with the first and second partial areas. Finally, the partial first layer or partial first layer system is structured as a mask using the partial second layer or partial second layer system.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: December 1, 2020
    Assignees: LEONHARD KURZ Stiftung & Co. KG, OVD KINEGRAM AG
    Inventors: Rene Staub, Ludwig Brehm, Patrick Kramer, Rouven Spiess, Karin Forster
  • Patent number: 10792950
    Abstract: The invention relates to a multilayer body with a carrier film, a partial reflective layer, arranged on the surface of the carrier film, which is at least partially transparent in a first area and opaque in a second area, a partial decorative layer, arranged on a surface of the carrier film and/or the side of the decorative layer facing away from the carrier film, which is present in a third area and not present in a fourth area, wherein the first area overlaps the third area and the second area overlaps the third and the fourth areas. The invention furthermore relates to a method for producing such a multilayer body, a security element with such a multilayer body and a security document with such a security element.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: October 6, 2020
    Assignee: OVD KINEGRAM AG
    Inventor: Andreas Schilling
  • Patent number: 10759212
    Abstract: The invention relates to a security element (1), a security document (2) with at least one security element (1), a transfer foil (3) with at least one security element (1) as well as a method for producing a security element (1), wherein the security element has at least one layer (11) that is electrically alterable in its optical effect.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: September 1, 2020
    Assignees: LEONHARD KURZ Stiftung & Co. KG, OVD Kinegram AG
    Inventors: Wayne Robert Tompkin, Harald Walter, Rainer Stahl, Rouven Spiess, Rene Staub
  • Patent number: 10642221
    Abstract: A method for producing a volume hologram with at least one first area in a first color and at least one second area in a second color includes, providing a volume hologram layer made of a photopolymer; arranging a master with a surface structure on the volume hologram layer; exposing the master using coherent light, wherein light which is incident on at least one first partial area of the surface of the master is diffracted or reflected in the direction of the at least one first area of the volume hologram layer and light which is incident on at least one second partial area of the surface of the master is diffracted or reflected in the direction of the at least one second area of the volume hologram, and wherein the light diffracted or reflected by the first and second partial areas differs in at least one optical property.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: May 5, 2020
    Assignees: OVD KINEGRAM AG, LEONHARD KURZ STIFTUNG & CO. KG
    Inventors: Andreas Schilling, Wayne Robert Tompkin, Norbert Lutz, Achim Hansen
  • Patent number: 10583680
    Abstract: A method for producing security elements, security elements, a security document with at least one security element as well as a transfer film with at least one security element wherein a three-dimensional object is recorded and a surface profile of the three-dimensional object, described by a function F(x,y), is determined, wherein the function F(x,y) describes the distance between the surface profile and a two-dimensional reference surface spanned by co-ordinate axes x and y at the co-ordinate points x and y. A first microstructure is determined in such a way that the structure height of the first microstructure is limited to a predetermined value smaller than the maximum distance between the surface profile and the two-dimensional reference surface, and the first microstructure provides an observer with a first optical perception which corresponds to the surface profile of the three-dimensional object described by the function F(x,y).
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: March 10, 2020
    Assignee: OVD Kinegram AG
    Inventors: Wayne Robert Tompkin, Andreas Schilling, Sebastian Mader
  • Patent number: 10518568
    Abstract: The invention relates to an absorbent medium for improving the overprintability, in particular by inkjet printing, of a security element, in particular an optically variable security element, comprising a binder, at least one pigment and an in particular aqueous solvent. The invention furthermore relates to a transfer film with an absorbent layer made of such an absorbent medium as well as a method for personalizing a security element using such a transfer film.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: December 31, 2019
    Assignees: LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AG
    Inventors: Rene Staub, Christina Streb, Achim Hansen, Sandra Peter, Markus Burkhardt
  • Patent number: 10434813
    Abstract: A method for producing a security document, with a thermographic substrate wherein the thermographic substrate is caused to undergo a color change depending on temperature effect in at least one first region A film element is arranged in such a way that the film element is arranged between the at least one first region of the thermographic substrate and a thermal print head. At least one first item of information is introduced by means of the thermal print head by activation of the color change in the at least one first region of the thermographic substrate, wherein the thermal print head, during the introduction of the at least one first item of information is in contact with the film element in such a way that the temperature effect causing the activation of the color change is transferred from the thermal print head through the film element to the at least one first region of the thermographic substrate.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: October 8, 2019
    Assignees: LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AG, KURZ TYPOFOL GMBH
    Inventors: Achim Hansen, Kilian Schuller, Anja Cathomen, Sascha Falsch, Philipp Schuler
  • Patent number: 10427446
    Abstract: The invention relates to a transfer film (1), in particular hot-stamping film, the use of a transfer film (1), a film, a security document (2), and a method for producing a transfer film (1). Here, it is provided that the transfer film (1) comprises a transfer layer (20) detachably arranged on a carrier layer (10). The transfer layer (20) further has at least one first color layer (30) and the at least one first color layer (30) comprises at least one binder and at least first pigments, the color appearance of which changes depending on the observation angle.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: October 1, 2019
    Assignee: OVD KINEGRAM AG
    Inventors: Rene Staub, Christina Streb, Michael Hoffmann, Reto Gnos
  • Patent number: 10427368
    Abstract: The invention relates to a multi-layer body (10) and a process for the production thereof. The multi-layer body has a first layer (23) with a first surface (231) and a second surface (232) opposite the first surface (231). The first surface (231) of the first layer (23) is defined by a base plane spanned by coordinate axes x and y, wherein a large number of facet faces (50) are molded into the second surface (232) of the first layer (23) in a first area (31). Each of the facet faces (50) is determined by one or more of the parameters F, S, H, P, Ax, Ay and Az, wherein the parameters of the facet faces (50) arranged in the first area (31) are varied pseudorandomly in the first area (31) within a variation range predefined in each case for the first area of surface and wherein a reflective second layer (24) is applied to each of the facet faces.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: October 1, 2019
    Assignee: OVD Kinegram AG
    Inventors: Wayne Robert Tompkin, Harald Walter
  • Patent number: 10315370
    Abstract: Method for producing a plastic molded part (1), wherein, in the method, a mold insert (3) with a diffractive surface relief (32) is provided, the mold insert (3) is inserted into one mold half of an injection mold (5) which, together with at least one further mold half, forms a cavity for producing the plastic molded part (1), wherein the mold insert (3) is inserted into the injection mold (5) such that the diffractive surface relief (32) forms a partial area of the surface of the cavity formed by the mold half (5), and the plastic molded part (1) is molded by injection molding by means of the injection mold (5). The invention furthermore relates to a mold insert as well as an injection mold for such a method, as well as a plastic molded part produced in this way.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: June 11, 2019
    Assignees: LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AG
    Inventors: Harald Burger, Andreas Schilling, Volker Dinkelmeyer, Sebastian Mader
  • Patent number: 10195889
    Abstract: An optically variable element has first and second diffraction gratings which are high-frequency and therefore act reflectively into the zero diffraction order. Either a first color is generated by the first diffraction grating at a particular angle of rotation and a particular angle of illumination and simultaneously a second color, different from the first color, is generated by the second diffraction grating or a visible color is generated essentially only by the first diffraction grating at a first angle of rotation and a visible color is generated essentially only by the second diffraction grating at a second angle of rotation.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: February 5, 2019
    Assignees: Leonhard Kurz Stiftung & Co. KG, OVD Kinegram AG
    Inventors: Ludwig Brehm, Sebastian Mader, Andreas Schilling, Wayne Robert Tompkin, Harald Walter