Patents Assigned to Docter Optics SE
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Patent number: 11959608Abstract: 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 optType: GrantFiled: March 12, 2021Date of Patent: April 16, 2024Assignee: DOCTER OPTICS SEInventors: Mohsen Mozaffari-Afshar, Sven Fröhlich, Siemen Kühl
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Patent number: 11932566Abstract: 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: GrantFiled: March 3, 2022Date of Patent: March 19, 2024Assignee: DOCTER OPTICS SEInventors: Annegret Diatta, Sven Fröhlich, Markus Winkler
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Patent number: 11884570Abstract: 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: GrantFiled: January 28, 2022Date of Patent: January 30, 2024Assignee: DOCTER OPTICS SEInventors: Alexander Kuppe, Annegret Diatta
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Publication number: 20240011616Abstract: 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: ApplicationFiled: June 29, 2023Publication date: January 11, 2024Applicant: Docter Optics SEInventors: Markus WINKLER, Jens FISCHER, Hagen SCHWEITZER
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Publication number: 20230416133Abstract: 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: ApplicationFiled: June 22, 2023Publication date: December 28, 2023Applicant: Docter Optics SEInventors: Christoph DITTMANN, Annegret DIATTA, Alexander KUPPE, Ralf POLLE, Toni SCHNOOR
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Patent number: 11847853Abstract: 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: GrantFiled: October 7, 2022Date of Patent: December 19, 2023Assignee: DOCTER OPTICS SEInventors: Mohsen Mozaffari, Siemen Kuhl
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Publication number: 20230398722Abstract: 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: ApplicationFiled: October 27, 2021Publication date: December 14, 2023Applicant: Docter Optics SEInventors: Florian PILZ, Sven FRÖHLICH
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Patent number: 11826935Abstract: 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: GrantFiled: March 18, 2019Date of Patent: November 28, 2023Assignee: DOCTER OPTICS SEInventors: Horst Wodak, Hans-Jürgen Brandt
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Publication number: 20230348309Abstract: 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 theType: ApplicationFiled: October 19, 2021Publication date: November 2, 2023Applicant: Docter Optics SEInventors: Alexander KUPPE, Annegret DIATTA
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Publication number: 20230302986Abstract: 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: ApplicationFiled: March 21, 2023Publication date: September 28, 2023Applicant: Docter Optics SEInventors: Hagen SCHWEITZER, Sebastian ERBES, Markus WINKLER
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Patent number: 11708289Abstract: 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: GrantFiled: November 22, 2021Date of Patent: July 25, 2023Assignee: DOCTER OPTICS SEInventors: Christoph Dittmann, Alexander Kuppe, Annegret Diatta, Ralf Polle, Toni Schnoor, Sven Fröhlich
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Patent number: 11643352Abstract: 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: GrantFiled: May 4, 2020Date of Patent: May 9, 2023Assignee: DOCTER OPTICS SEInventors: Alexander Kuppe, Peter Mühle
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Publication number: 20230139819Abstract: 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 optType: ApplicationFiled: March 12, 2021Publication date: May 4, 2023Applicant: Docter Optics SEInventors: Mohsen MOZAFFARI-AFSHAR, Sven FRÖHLICH, Siemen KÜHL
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Patent number: 11624972Abstract: 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: GrantFiled: April 27, 2018Date of Patent: April 11, 2023Assignee: DOCTER OPTICS SEInventors: Sven Fröhlich, Sven B. Kiriczi
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Publication number: 20230052042Abstract: 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: ApplicationFiled: February 11, 2021Publication date: February 16, 2023Applicants: Docter Optics SE, HELLA GmbH & Co. KGaAInventors: Florian PILZ, Sven FRÖHLICH, Sebastian KLEINEHEISMANN, Ludwig KNORR
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Publication number: 20230026408Abstract: 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: ApplicationFiled: November 27, 2020Publication date: January 26, 2023Applicant: Docter Optics SEInventors: Christoph DITTMANN, Alexander KUPPE, Annegret DIATTA, Ralf POLLE
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Publication number: 20230029379Abstract: 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: ApplicationFiled: January 13, 2021Publication date: January 26, 2023Applicant: Docter Optics SEInventors: Florian PILZ, Sven FRÖHLICH
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Patent number: 11549655Abstract: 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: GrantFiled: February 15, 2022Date of Patent: January 10, 2023Assignee: DOCTER OPTICS SEInventors: Manuel Tessmer, Mohsen Mozaffari-Afshar, Siemen Kühl, Wolfram Wintzer
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Publication number: 20220363023Abstract: 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: ApplicationFiled: October 6, 2020Publication date: November 17, 2022Applicant: Docter Optics SEInventors: Sven FRÖHLICH, Fiete BAUER
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Publication number: 20220298050Abstract: 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: ApplicationFiled: June 5, 2020Publication date: September 22, 2022Applicant: Docter Optics SEInventors: Alexander KUPPE, Ralf POLLE, Thomas WALTHER, Peter MÜHLE, Christoph DITTMANN, Stephan JIRAK, Hagen GOLDAMMER, Annegret DIATTA, Sven FRÖHLICH