Patents Assigned to Docter Optics SE
  • Patent number: 11959608
    Abstract: The disclosure relates to a vehicle headlight (20), for example a motor vehicle headlight, wherein the vehicle headlight comprises a light source assembly (11) and a primary optics (200A), for example a press-molded primary optics, for example a one-piece primary optics (200A), wherein the primary optics (200A) comprises at least one light tunnel (208) and a wedge-shaped light conducting part (209) having at least one light exit surface (209A), for example optically effective light exit surface (209A), wherein the light tunnel (208) comprises at least one light entrance surface (201), for example an optically effective light entrance surface (201), into which light generated by means of the light source assembly (11) can be irradiated, wherein the light tunnel (208) transitions into the light conducting part (209) at a bend (207), and wherein the vehicle headlight comprises a secondary optics (200B) with an optically effective light exit surface (202) for imaging a light exit surface (209A) of the primary opt
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: April 16, 2024
    Assignee: DOCTER OPTICS SE
    Inventors: Mohsen Mozaffari-Afshar, Sven Fröhlich, Siemen Kühl
  • Patent number: 11932566
    Abstract: The disclosure relates to a method for manufacturing an optical element, where a blank of glass is heated and/or provided and, after heating and/or after being provided between a first mold (UF) and at least one second mold (OF), is press molded, for example on both sides, to form the optical element and is then sprayed with a surface treatment agent.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: March 19, 2024
    Assignee: DOCTER OPTICS SE
    Inventors: Annegret Diatta, Sven Fröhlich, Markus Winkler
  • Patent number: 11884570
    Abstract: The disclosure concerns to a process for manufacturing an optical element from glass, wherein a blank of glass is tempered, for example in such a way that the blank is cooler in its interior than on its exterior, wherein the tempered blank between a first mold and a second mold, which are moved towards one another to form a closed cavity, is press-molded, for example on both sides, to form the optical element, wherein the first mold and/or the second mold comprises an escape cavity slide which is compressed by the formation of a closed cavity by means of the first mold and the second mold as a function of the volume of the blank, so that, during press-molding, an additional edge which is dependent on the volume of the blank is formed with the optical element.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 30, 2024
    Assignee: DOCTER OPTICS SE
    Inventors: Alexander Kuppe, Annegret Diatta
  • Publication number: 20240011616
    Abstract: The disclosure relates, inter alia, to a vehicle headlight (10), for example for a motor vehicle (1), wherein the vehicle headlight (10) comprises an illumination matrix (534) with a plurality of independently controllable illumination pixels for generating a (for example time-variant) illumination pattern, wherein the vehicle headlight (10) comprises an objective for imaging the illumination pattern, and wherein the objective comprises at least one objective lens.
    Type: Application
    Filed: June 29, 2023
    Publication date: January 11, 2024
    Applicant: Docter Optics SE
    Inventors: Markus WINKLER, Jens FISCHER, Hagen SCHWEITZER
  • Publication number: 20230416133
    Abstract: The disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided between a first mold (UF) and at least one second mold (OF), is press molded, for example on both sides, to form the optical element (202) and is then exposed to a treatment atmosphere.
    Type: Application
    Filed: June 22, 2023
    Publication date: December 28, 2023
    Applicant: Docter Optics SE
    Inventors: Christoph DITTMANN, Annegret DIATTA, Alexander KUPPE, Ralf POLLE, Toni SCHNOOR
  • Patent number: 11847853
    Abstract: The present disclosure relates to a device for contactless optical imaging of features of a hand, wherein the device comprises an illumination arrangement for illuminating a measuring site with light of substantially a first wavelength and with light of at least substantially a second wavelength. The device further comprising a camera comprising a detector and objective configured for imaging the measuring site on the detector. Within the measuring site a region of depth of field of the objective with respect to the first wavelength overlaps with a region of depth of field of the objective with respect to the second wavelength.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: December 19, 2023
    Assignee: DOCTER OPTICS SE
    Inventors: Mohsen Mozaffari, Siemen Kuhl
  • Publication number: 20230398722
    Abstract: The disclosure relates to a method for producing an optical element having at least one optically effective surface. The optically effective surface comprises a contour and a surface structure superimposed on the contour. Transparent liquid plastic is injection-molded by means of a (smooth) injection mold of an injection molding machine (500) in dependence on a group of injection molding parameters to form an injection molded component (21) having the contour of the optically effective surface but without the surface structure superimposed on the contour, wherein at least one parameter of the group of injection molding parameters is set and/or corrected in dependence on properties of the injection molded component (21), and wherein the optical element is produced using the group of injection molding parameters.
    Type: Application
    Filed: October 27, 2021
    Publication date: December 14, 2023
    Applicant: Docter Optics SE
    Inventors: Florian PILZ, Sven FRÖHLICH
  • Patent number: 11826935
    Abstract: The invention relates to a method for producing a lens element (2), in particular for illumination purposes, in particular for producing a headlight lens (2) for a vehicle headlight, in particular for a motor vehicle headlight (1).
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: November 28, 2023
    Assignee: DOCTER OPTICS SE
    Inventors: Horst Wodak, Hans-Jürgen Brandt
  • Publication number: 20230348309
    Abstract: The disclosure relates to a method for producing an optical element, for example an (optical) lens, for example a headlight lens, for example a vehicle headlight lens, from inorganic glass, wherein a blank of the inorganic glass is heated in a first heating step, for example in such a way that the blank is cooler on the inside than on its outer region, wherein, after heating, the blank is press-molded, for example on both sides, in a first pressing step between an upper mold and a lower mold to form an intermediate molded part, wherein the intermediate molded part is removed from the lower mold after the first pressing step, wherein a surface or the surface of the intermediate molded part formed by the lower mold and/or the surface of the intermediate molded part facing the lower mold is heated in a second heating step after the first pressing step, wherein the intermediate molded part is press-molded, for example on both sides, to the optical element or the (optical) lens, in a second pressing step after the
    Type: Application
    Filed: October 19, 2021
    Publication date: November 2, 2023
    Applicant: Docter Optics SE
    Inventors: Alexander KUPPE, Annegret DIATTA
  • Publication number: 20230302986
    Abstract: The invention relates, inter alia, to a vehicle headlight having a lens arrangement, wherein the lens arrangement includes a first lens (input lens), a second lens (first middle lens), at least a third lens (second middle lens), and a front lens, wherein the second lens (first middle lens) is arranged in the light path between the first lens (input lens) and the front lens, and wherein the at least third lens (second middle lens) is arranged in the light path between the second lens (first middle lens) and the front lens.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 28, 2023
    Applicant: Docter Optics SE
    Inventors: Hagen SCHWEITZER, Sebastian ERBES, Markus WINKLER
  • Patent number: 11708289
    Abstract: The present disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided between a first mold (UF) and at least one second mold (OF), is press molded to form the optical element (202), in particular on both sides, and is then sprayed with a surface treatment agent.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: July 25, 2023
    Assignee: DOCTER OPTICS SE
    Inventors: Christoph Dittmann, Alexander Kuppe, Annegret Diatta, Ralf Polle, Toni Schnoor, Sven Fröhlich
  • Patent number: 11643352
    Abstract: A method for manufacturing an optical element out of glass comprises placing a blank made of glass on an annular contact face of a supporting body having a hollow cross section. The blank is heated on the supporting body in a cavity of a protective cap that is arranged in a furnace cavity, such that a temperature gradient is established in the blank in such a way that the blank is cooler inside than on an outside region. The blank is press molded to form the optical element.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: May 9, 2023
    Assignee: DOCTER OPTICS SE
    Inventors: Alexander Kuppe, Peter Mühle
  • Publication number: 20230139819
    Abstract: The disclosure relates to a vehicle headlight (20), for example a motor vehicle headlight, wherein the vehicle headlight comprises a light source assembly (11) and a primary optics (200A), for example a press-molded primary optics, for example a one-piece primary optics (200A), wherein the primary optics (200A) comprises at least one light tunnel (208) and a wedge-shaped light conducting part (209) having at least one light exit surface (209A), for example optically effective light exit surface (209A), wherein the light tunnel (208) comprises at least one light entrance surface (201), for example an optically effective light entrance surface (201), into which light generated by means of the light source assembly (11) can be irradiated, wherein the light tunnel (208) transitions into the light conducting part (209) at a bend (207), and wherein the vehicle headlight comprises a secondary optics (200B) with an optically effective light exit surface (202) for imaging a light exit surface (209A) of the primary opt
    Type: Application
    Filed: March 12, 2021
    Publication date: May 4, 2023
    Applicant: Docter Optics SE
    Inventors: Mohsen MOZAFFARI-AFSHAR, Sven FRÖHLICH, Siemen KÜHL
  • Patent number: 11624972
    Abstract: The present disclosure relates to a projection display, wherein the projection display comprises a support on which a projector lens array with a plurality of projector lenses is arranged, wherein on a side of the support facing away from the projector lens array, an object structure array with a plurality of object structures is arranged, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form a full image.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: April 11, 2023
    Assignee: DOCTER OPTICS SE
    Inventors: Sven Fröhlich, Sven B. Kiriczi
  • Publication number: 20230052042
    Abstract: The invention concerns a method for producing an optical lens element, in particular for illumination purposes, in particular for producing a headlight lens for a vehicle headlight, in particular for a motor vehicle headlight (10), wherein a pre-lens element (42, 43) is injection molded using at least one mold by heating liquefied transparent plastic, wherein the pre-lens element (42, 43) being cooled in such a way that the plastic solidifies, and at least one optically effective surface of the pre-lens element (42, 43) then being heated in such a way that the plastic on the optically effective surface can be shaped, in particular up to a depth of not more than 1000 micrometers, wherein the pre-lens element (42, 43) is pressed with the optically effective surface in a final contour mold to form the lens element.
    Type: Application
    Filed: February 11, 2021
    Publication date: February 16, 2023
    Applicants: Docter Optics SE, HELLA GmbH & Co. KGaA
    Inventors: Florian PILZ, Sven FRÖHLICH, Sebastian KLEINEHEISMANN, Ludwig KNORR
  • Publication number: 20230026408
    Abstract: The disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided is press molded, for example on both sides, between a first mold (UF) and at least one second mold (OF), to form the optical element (202) and is then sprayed with a surface treatment agent.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 26, 2023
    Applicant: Docter Optics SE
    Inventors: Christoph DITTMANN, Alexander KUPPE, Annegret DIATTA, Ralf POLLE
  • Publication number: 20230029379
    Abstract: The disclosure relates to a method for producing an optical element (42, 43) having at least one optically effective surface, wherein, by means of a first injection mold of an injection-molding machine (500, 500?) liquid transparent plastic (54, P4014, P4017) is injection-molded to form a preform and/or a pre-molded part (20) having at least one preform (22, 23), the preform or the pre-molded part (20) subsequently being cooled outside the first injection mold and/or outside the injection-molding machine (500, 500?), and the preform (22, 23) to form the optical element subsequently being injection-molded and/or over-molded in a second injection mold by applying at least one layer of plastic, which forms the optically effective surface (42, 43).
    Type: Application
    Filed: January 13, 2021
    Publication date: January 26, 2023
    Applicant: Docter Optics SE
    Inventors: Florian PILZ, Sven FRÖHLICH
  • Patent number: 11549655
    Abstract: The present disclosure relates to a headlamp lens for a vehicle headlamp, wherein the headlamp lens comprises a precision-molded body made of a transparent material, wherein the body comprises at least one light tunnel and a light-conducting part with at least one optically active light exit surface. The light tunnel comprises at least one light entry surface and merges with a bend in the light-conducting part to depict the sharp bend as a light/dark boundary by means of light coupled or radiated into the light entry surface. The surface of the light tunnel is at least partially convexly curved in the region of the bend.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: January 10, 2023
    Assignee: DOCTER OPTICS SE
    Inventors: Manuel Tessmer, Mohsen Mozaffari-Afshar, Siemen Kühl, Wolfram Wintzer
  • Publication number: 20220363023
    Abstract: The present disclosure relates to a method for producing an optical element, for example a lens, for example a headlight lens, for example for vehicle headlights or motor vehicle headlights, wherein an optical component part having an (optically effective) convex surface made of a first transparent optical material is provided and/or produced; a mold having a concave cavity and optical material is provided and/or produced; liquid transparent second optical material is placed into the concave cavity of the mold; and the optical component part having the convexly curved surface is pressed into the concave cavity of the mold such that an optically effective coating is formed on the convexly curved surface.
    Type: Application
    Filed: October 6, 2020
    Publication date: November 17, 2022
    Applicant: Docter Optics SE
    Inventors: Sven FRÖHLICH, Fiete BAUER
  • Publication number: 20220298050
    Abstract: The present disclosure provides an improved production method for optical elements. In this case, it is desirable to achieve high contour accuracy and/or surface quality for optical elements or lenses or headlight lens. In addition, it is desirable to reduce the costs of a production process for objective lenses and/or headlights, microprojectors or vehicle headlights.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 22, 2022
    Applicant: Docter Optics SE
    Inventors: Alexander KUPPE, Ralf POLLE, Thomas WALTHER, Peter MÜHLE, Christoph DITTMANN, Stephan JIRAK, Hagen GOLDAMMER, Annegret DIATTA, Sven FRÖHLICH