Patents by Inventor Thomas Faecke

Thomas Faecke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11193646
    Abstract: A lighting device for vehicles, in particular a signal light, with a light source for emitting a light beam and an optical unit associated with the light source for producing a predetermined light function, the optical unit having a holographic element and a lens arranged in the main emission direction in front of the holographic element, the holographic element comprising such a diffraction structure that the light beam emitted from the light source onto the holographic element is varied according to a predetermined illumination pattern such that the holographic light beam lights an illumination surface of the lens to generate the light function.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 7, 2021
    Assignees: Hella KGaA Hueck & Co., Covestro Deutschland AG
    Inventors: Martin Muegge, Carsten Hohmann, Rainer Hagen, Guenther Walze, Thomas Faecke
  • Publication number: 20210292505
    Abstract: The invention relates to a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a layer construction, to a method for producing a hologram using such a layer construction, to a sealed holographic medium and to the use of such a layer construction for producing a hologram.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 23, 2021
    Inventors: Serguei KOSTROMINE, Benjamin HERZBERG, Thomas RÖLLE, Dennis HÖNEL, Thomas FÄCKE, Heinz-Guenter AUWEILER
  • Patent number: 11000976
    Abstract: The invention relates to a process for producing an optical casting comprising at least one volume-holographic optical element by means of at least one casting operation, the process comprising the following steps: providing a casting mould comprising a first mould section having a flat, spherical, aspherical or free-form first surface and a second mould section having a flat, spherical, aspherical or free-form second surface, the first mould section being connectable to the second mould section to form the casting mould, providing at least one holographic optical element, positioning and aligning the at least one holographic optical element with respect to the first mould section or/and with respect to the second mould section, combining the first and second mould sections to form the casting mould, introducing casting material in one or more casting steps, the casting material having a maximum viscosity at 25° C.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: May 11, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Fäcke, Robert Maleika, Enrico Orselli, Frank-Stefan Stern
  • Patent number: 10915066
    Abstract: The invention relates to an apparatus (200, 300, 400, 600) for producing volume reflection holograms with substrate-guided reconstruction beams, comprising: at least one transparent, planar carrier element (210, 310, 410, 610) comprising a first flat side (210.1) and a further flat side (210.2), at least one master element (206, 306, 406, 606) arrangeable at the first flat side (210.1) of the carrier element (210, 310, 410, 610) and at least one optical input coupling element (102, 202, 302, 402, 602) configured to optically couple a light beam (214, 216), wherein provision is made of at least one coupling portion (104, 204, 304, 404, 604) configured to mechanically establish an optical contact between the input coupling element (102, 202, 302, 402) and at least one holographic recording medium (208, 308, 408) providable on the further flat side (210.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: February 9, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Christian Rewitz, Rainer Hagen, Thomas Fäcke, Günther Walze, Friedrich-Karl Bruder
  • Publication number: 20200387110
    Abstract: The invention relates to a process for producing a layer construction with adhesive-free bonding, to a layer structure comprising an exposed photopolymer layer B and a substrate layer C of (co)polycarbonate, to a sealed optical medium comprising the layer structure, and to an optical display and a security document comprising the sealed optical medium.
    Type: Application
    Filed: December 3, 2018
    Publication date: December 10, 2020
    Applicant: Covestro Deutschland AG
    Inventors: Thomas FÄCKE, Therese KLOBUTOWSKI, Enrico ORSELLI
  • Publication number: 20200241471
    Abstract: The invention relates to a sealed holographic medium comprising a layer construction containing a photopolymer layer and a sealing layer, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction for sealing and to the use thereof.
    Type: Application
    Filed: May 8, 2018
    Publication date: July 30, 2020
    Inventors: Serguei KOSTROMINE, Thomas RÖLLE, Thomas FÄCKE, Enrico ORSELLI
  • Patent number: 10670789
    Abstract: A method for recording a plurality of scatter volume holograms in a photopolymeric recording medium, the method including at least the following steps providing a first laser light source, providing a photopolymeric recording medium including a substrate and a photoactive layer, wherein the photopolymeric recording medium has an index modulation ?n of at least 0.04 and a thickness d of the photoactive layer of at least 25 ?m, and irradiating the photopolymeric recording medium with the first laser light beam generated by the first laser light source with a minimum irradiation energy dosage of 3*Di, Di being the inhibition dosage of the photoactive layer.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 2, 2020
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Fäcke, Friedrich-Karl Bruder, Günther Walze, Andrey Putilin
  • Publication number: 20200166889
    Abstract: The invention relates to a scaled holographic medium comprising a layer construction B?-C1?-C2?, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 28, 2020
    Applicant: Covestro Deutschland AG
    Inventors: Serguei KOSTROMINE, Thomas RÖLLE, Thomas FÄCKE, Karl VETTERLE
  • Publication number: 20200166888
    Abstract: The invention relates to a holographic medium containing a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a holographic medium, to a method for producing a hologram using such a holographic medium, to a sealed holographic medium and to the use of such a holographic medium for producing a hologram.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 28, 2020
    Inventors: Serguei KOSTROMINE, Benjamin HERZBERG, Thomas RÖLLE, Dennis HÖNEL, Thomas FÄCKE, Heinz-Günter AUWEILER
  • Publication number: 20200140707
    Abstract: The present invention relates to a method for producing an object in an additive manufacturing process from a precursor and comprises the following steps: I) depositing a layer of a radically cross-linkable construction material, which corresponds to a first selected cross-section of the precursor, on a carrier; II) depositing a layer of a radically cross-linkable construction material, which corresponds to a further selected cross-section of the precursor, on a previously applied layer of the radically cross-linked construction material; III) repeating step II) until the precursor is formed. The radically cross-linkable construction material comprises a thermoplastic radically cross-linkable polyurethane with a urethane group content of ?5% by weight and a photoinitiator. The radically cross-linkable construction material is also heated to a processing temperature that is greater than the melting point of the radically cross-linkable polyurethane. After step III) the precursor having a temperature of 20° C.
    Type: Application
    Filed: June 29, 2018
    Publication date: May 7, 2020
    Inventors: Dirk Achten, Thomas Buesgen, Christoph Tomczyk, Michael Ludewig, Thomas Faecke, Roland Wagner, Florian Stempfle
  • Patent number: 10606212
    Abstract: The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: March 31, 2020
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Marc-Stephan Weiser, Dennis Hönel, Christian Diedrich
  • Publication number: 20200055235
    Abstract: The invention relates to a method for producing a three-dimensional object by means of a powder-based additive production method from at least one first powdery material, wherein the at least one first powdery material comprises at least one first compound having a first reactive group a). The first reactive group a) is selected from the group consisting of an isocyanate group, a blocked isocyanate group, or a mixture thereof. The invention further relates to a component produced using the method according to the invention, and to powdery material that is suited for the method according to the invention.
    Type: Application
    Filed: May 9, 2018
    Publication date: February 20, 2020
    Inventors: Dirk Achten, Thomas Buesgen, Thomas Faecke, Bettina Mettmann, Joerg Buechner, Hans-Josef Laas, Ting Liu
  • Patent number: 10514657
    Abstract: The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: December 24, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Marc-Stephan Weiser, Dennis Hönel, Christian Diedrich
  • Patent number: 10477197
    Abstract: An autostereoscopic 3D display device is disclosed. The device includes a first light source and a second light source configured to alternately generate light and a light guide panel arranged to guide the light from the first light source in a first direction as a first light beam and the light from the second light source in a second direction as a second light beam. In the device, a stack of a plurality of holographic optical elements is configured to converge the first light beam and the second light beam from the light guide panel. The stack of the plurality of holographic optical elements may include at least one first holographic optical element and at least one second holographic optical element.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: November 12, 2019
    Inventors: Friedrich-Karl Bruder, Rainer Hagen, Thomas Fäcke, Günther Walze, Eun Soo Kim, Yong Seok Hwang
  • Patent number: 10444420
    Abstract: The invention relates to an indirect lighting arrangement (2, 2.1, 2.2, 2.3, 2.4, 2.5) comprising at least one cylindrical waveguide (4). At least one end (12.1, 12.2) of the cylindrical waveguide (4) is designed to couple light from a first light source (1) into the cylindrical waveguide (4), and the lateral surface (10) of the cylindrical wave guide (4) has a coupling section (6) which is designed to optically couple the cylindrical waveguide (4) to an arrangeable plate-shaped waveguide (16). At least the coupling section (6) has at least one holographic optical element (8) which is designed to emit light from the cylindrical waveguide (4) into the arrangeable plate-shaped waveguide (16).
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: October 15, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Rainer Hagen, Günther Walze, Thomas Fäcke, Friedrich-Karl Bruder, Dennis Hönel, Thomas Rölle, Horst Berneth, Marc-Stephan Weiser
  • Patent number: 10329244
    Abstract: The invention relates to novel compounds which are especially suitable for use as writing monomers in holographic media. The invention further provides a photopolymer and a holographic medium comprising the inventive compounds, and an optical display, a security document and a holographic optical element comprising an inventive holographic medium.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: June 25, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Fäcke, Friedrich-Karl Bruder, Thomas Rölle, Dennis Hönel
  • Publication number: 20190171160
    Abstract: The present invention concerns a method for the production of a moulded body containing at least one volume hologram by means of injection moulding, comprising the following method steps: provision of a hologram film composite having two sides comprising at least one photopolymer layer with at least one volume hologram, a shear protective layer and a substrate layer, and optionally, further composite film layers, insertion of the hologram film composite into a metallic injection mould, such that one side of the hologram film composite is at least partially in contact with the injection mould wall, introduction of a molten thermoplastic polymer for the production of the moulded body, wherein at least the outermost layer of the hologram film composite on the side of the hologram film composite coming into contact with the molten polymer contains essentially the same polymer raw materials as the molten thermoplastic polymer, and extrusion coating of the hologram film composite with the molten thermoplastic po
    Type: Application
    Filed: August 10, 2017
    Publication date: June 6, 2019
    Inventors: Rainer HAGEN, Thomas FÄCKE, Enrico ORSELLI, Ute FLEMM, Ulrich GROSSER
  • Patent number: 10254465
    Abstract: The invention relates to an illumination device for illuminating at least one light modulator system of a liquid crystal display, the device comprising at least one waveguide substrate for guiding at least one targeted light beam that can be coupled into the waveguide substrate. The waveguide substrate is at least in optical contact with at least one holographic optical decoupling substrate comprising a plurality of decoupling regions and a decoupling region is at least designed to decouple part of the targeted light beam in the form of a plurality of sub-beams in the direction of the light modulator system. At least one diffuser module is provided, said diffuser module being designed in such a way that at least the outermost sub-beams of two neighboring decoupling regions are at least adjacent to one another before exiting the diffuser module.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: April 9, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Fäcke, Friedrich-Karl Bruder, Rainer Hagen, Günther Walze, Thomas Roelle, Horst Berneth, Dennis Hönel, Marc-Stephan Weiser, Werner Hoheisel
  • Patent number: 10241402
    Abstract: The invention relates to naphthyl urethane acrylates particularly useful as writing monomers in photopolymer formulations for holographic media. The invention further relates to a photopolymer formulation comprising matrix polymers, writing monomers and photoinitiators, wherein the writing monomers comprise a naphthyl urethane acrylate according to the invention, to a holographic medium comprising matrix polymers, writing monomers and photoinitiators, wherein the writing monomers comprise a naphthyl urethane acrylate according to the invention, and also to a display comprising a holographic medium according to the invention.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: March 26, 2019
    Assignee: Covestro Deutschland AG
    Inventors: Thomas Rölle, Horst Berneth, Friedrich-Karl Bruder, Dennis Hönel, Serguei Kostromine, Thomas Fäcke
  • Publication number: 20190011880
    Abstract: The invention relates to an apparatus (200, 300, 400, 600) for producing volume reflection holograms with substrate-guided reconstruction beams, comprising: at least one transparent, planar carrier element (210, 310, 410, 610) comprising a first flat side (210.1) and a further flat side (210.2), at least one master element (206, 306, 406, 606) arrangeable at the first flat side (210.1) of the carrier element (210, 310, 410, 610) and at least one optical input coupling element (102, 202, 302, 402, 602) configured to optically couple a light beam (214, 216), wherein provision is made of at least one coupling portion (104, 204, 304, 404, 604) configured to mechanically establish an optical contact between the input coupling element (102, 202, 302, 402) and at least one holographic recording medium (208, 308, 408) providable on the further flat side (210.
    Type: Application
    Filed: December 19, 2016
    Publication date: January 10, 2019
    Inventors: Christian REWITZ, Rainer HAGEN, Thomas FÄCKE, Günther WALZE, Friedrich-Karl BRUDER