Patents Assigned to ZKW GROUP GMBH
  • Patent number: 9879835
    Abstract: A lighting unit for a headlight, in particular a motor vehicle headlight, consisting of a plurality of light sources (1), a light guide unit (2) having a plurality of light guides (3), and a downstream projection lens having a focal plane (E), wherein each light guide (3) has a light decoupling face (4), wherein a.) the light decoupling faces (4) of at least two adjacent light guides (3) are offset in relation to one another with respect to the focal plane (E), and/or b.) at least two light guides (3) adjacent to one another in each case contact one another in a contact area (12) along an extension (b and b?), wherein the respective extensions (b and b?), measured with respect to the focal plane (E) of the lens, deviate from one another.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: January 30, 2018
    Assignee: ZKW GROUP GMBH
    Inventors: Lukas Taudt, Gerald Bohm, Josef Plank
  • Patent number: 9845932
    Abstract: The invention relates to an optical element (1) for a laser vehicle headlight (2), wherein the laser vehicle headlight (2) comprises at least one laser light source (3) and at least one luminous element (4) which can be irradiated by the laser light source (3) and can thus be excited to emit visible light, wherein the optical element (1) has at least one receptacle for the luminous element (4) and at least one reflection layer (9) which reflects light in the direction of the laser light source (3) is assigned to the optical element (1) at least on a side of the luminous element (4) which faces away from the laser light source (3) in the mounted state. The invention additionally relates to a light source module (16) comprising at least one optical element (1) of this type, and a vehicle headlight (2) comprising at least one optical element (1) of this type or comprising at least one light source module (16) as mentioned initially.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: December 19, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Friedrich Bauer, Andreas Moser, Johann Altmann, Erich Kaufmann
  • Patent number: 9841158
    Abstract: The invention relates to a light module (1) for a motor vehicle or for a motor vehicle headlamp, wherein the light module (1) has at least two or more light sources (10, 11), which are positioned in defined positions relative to one another, and wherein the light module (1) also has two or more reflectors (20, 21), wherein at least one reflector (20, 21) is associated with each light source (10, 11), wherein at least one of the reflectors (20, 21) is movably connected to at least one adjacent reflector (20, 21).
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: December 12, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Friedrich Bauer, Peter Mejta
  • Publication number: 20170328531
    Abstract: A printed circuit board (1) with multiple electronic components (2, 2?, 2?, 2??, 2??) arranged on it in at least one group (G1, G2, G3), each of the electronic components (2, 2?, 2?, 2??, 2??) having a first and a second electrical component contact surface (3?, 3?) facing the printed circuit board (1), the component contact surfaces (3?, 3?) being connected with corresponding printed circuit board contact surfaces (6, 7, 8) arranged on the printed circuit board (1), successive electronic components (2, 2?, 2?, 2??, 2??) being connected in series to form a string, the string having a wave-shaped course, the electronic components (2, 2?, 2?, 2??, 2??) of the string being arranged on the printed circuit board (1) in the form of a matrix with at least two rows (Z1, Z2, Z3) and at least two columns (S1, . . . , S6), and the string alternately running up and down along columns (S1, . . . , S6) that are arranged next to one another.
    Type: Application
    Filed: September 30, 2015
    Publication date: November 16, 2017
    Applicant: ZKW Group GmbH
    Inventors: Emanuel WEBER, Thomas GRUBER
  • Patent number: 9816678
    Abstract: The invention relates to a light guide unit (3) for a light-emitting unit (1) for a projector lamp, in particular a motor vehicle headlamp, wherein the light-emitting unit (1) comprises a plurality of light sources (2), the light guide unit (3), and a downstream projection lens (4), wherein the light guide unit (3) has a plurality of light guides (30), wherein each light guide (30) has a light exit surface (30a), and wherein each light source (2) couples light precisely into a light guide (30) assigned thereto, and wherein adjacent light guides (30) are separated from one another by separating walls (31, 32).
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: November 14, 2017
    Assignee: ZKW GROUP GMBH
    Inventor: Irmgard Krenn
  • Publication number: 20170321857
    Abstract: Method for producing a light distribution on a road (8) using a motor vehicle headlight, wherein at least one laser beam (2) that can be modulated in intensity is directed in at least one coordinate direction in a scanning manner to a light conversion means (5) using at least one controlled beam deflection means (3) in order to generate an illuminated image (6) on same, said illuminated image being projected as a light image (6?) onto the road using projection optics (7), wherein the image generated from the laser beam (2) using the beam deflection means (3) is split by deflecting the laser beam (2?) by means of an image convolution means (4), and the sub-images are projected in a mirror-imaged manner in relation to a division line onto the light conversion means (5) to be combined and form an entire illuminated image (6).
    Type: Application
    Filed: October 13, 2015
    Publication date: November 9, 2017
    Applicant: ZKW Group GmbH
    Inventors: Bettina REISINGER, Markus REINPRECHT, Thomas MITTERLEHNER
  • Patent number: 9803825
    Abstract: The invention relates to a lighting device (1) for a vehicle headlight, wherein the lighting device comprises: at least one LED light source (2), at least one light-shaping optics body (3), which is paired with the at least one LED light source (2), and at least one LED light source carrier (4), on which the at least one LED light source (2) is fastened. In accordance with the invention, positioning means (3a, 3b, 3c) for positioning the at least one LED light source carrier (4) are provided on the optics body (3), positioning means (30; 3a) for the subsequent positioning of a heat sink (5) on the optics body (3) are also provided, wherein a fixing element (6) is also provided, which can be fastened to the optics body (3) in such a way that in the fastened state the fixing element (6) presses the heat sink (5) against the LED light source carrier (4), such that this is fixed in its position on the optics body (3).
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: October 31, 2017
    Assignee: ZKW GROUP GMBH
    Inventor: Patrick Windgruber
  • Publication number: 20170292669
    Abstract: In a vehicle headlight comprising a light module (1) with a light source support (3), with at least one light source (17) and a reflector part (5) associated with the at least one light source (17), it being possible for reference elements (24) on the reflector part (5) to be brought into an operative connection with corresponding reference elements (25) on the light source support (3), the light source support (3) can be pushed into a guide part (2) with guide rails (6) for the reflector part (5), and the reflector part (5) has a catch (22) associated with the light source support (3) to displace the reflector part (5) together with the light source support (3) along the guide rails (6), which are designed to bring the reference elements (24) on the reflector part (5) into an operative connection with the corresponding reference elements (25) on the light source support (3) when the light source support (3) is pushed in.
    Type: Application
    Filed: September 7, 2015
    Publication date: October 12, 2017
    Applicant: ZKW Group GmbH
    Inventors: Markus GRAFENEDER, Thomas SCHLINGER, Sebastian GODDERIDGE, Jürgen ZORN
  • Publication number: 20170282782
    Abstract: A method and a circuit arrangement for feeding n LED units (LED1 to LED5) of a lighting unit of a motor vehicle by way of a controlled power source (5) from a voltage source (2) having a fluctuating operating voltage (UB), in which the LED units (LED1 to LED5) are interconnected, and in particular k LED units (LED1 to LED5) of a series connection are short-circuited, when the operating voltage (UB) drops, taking a stored weighting with respect to the priority assigned to individual LED units into consideration, wherein current continues to flow simultaneously through (n?k) LED units.
    Type: Application
    Filed: August 11, 2015
    Publication date: October 5, 2017
    Applicant: ZKW Group GmbH
    Inventors: Julian BAKER, Martin BIESENBERGER, Stefan MIEDLER
  • Patent number: 9777901
    Abstract: A motor vehicle headlight with at least one modulable laser light source, whose laser beam is directed onto a means of light conversion through a means of beam deflection controlled by a beam deflection control, and with a projection system to project the light image produced by the means of light conversion onto the road, wherein a first group of at least two laser light sources is provided to produce a first group of at least two essentially horizontal light bands lying on top of one another on the means of light conversion and a second group of at least two laser light sources is provided to produce a second group of at least two essentially horizontal light bands lying on top of one another on the means of light conversion, wherein the light bands of the first group and the light bands of the second group overlap one another.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: October 3, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Markus Reinprecht, Friedrich Bauer, Bettina Reisinger
  • Patent number: 9746150
    Abstract: The invention relates to a lamp unit (1) for a headlight, in particular a motor vehicle headlight, the lamp unit (1) comprising multiple light sources (2), a light guide unit (3), and a downstream projector lens (4), the light guide unit (3) having multiple light guides (30), each light guide (30) having one light decoupling surface (30a) and one light coupling surface (30b), and each light source (2) coupling light exactly into a light guide (30) assigned to it through a light coupling surface (30b).
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: August 29, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Friedrich Bauer, Erik Pirringer, Udo Maier
  • Patent number: 9744900
    Abstract: The invention relates to an illuminating device (1) for a motor vehicle, comprising two or more light modules (2), which light modules (2) are provided to generate a common light distribution, and a common supporting body (3), on which the at least two light modules (2) are fastened, wherein at least one of the light modules (2) is mounted on the supporting body (3) so as to be pivotable about at least one axis (H, V) with respect to the supporting body (3), and wherein the at least one pivotable light module (2) is mounted on the supporting body (3) in an articulated manner by means of an articulation (4) so as to be pivotable about the at least one axis (V, H), wherein at least one prestressing device (5) is also provided, by means of which the at least one adjustable light module (2) is held in a prestressed manner on the supporting body (3) pivotably about the articulation (4).
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: August 29, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Georg Ruprecht, Irmgard Krenn, Clemens Hauer
  • Patent number: 9677733
    Abstract: The invention relates to a light guiding element (1) for a laser vehicle headlight (2), wherein the laser vehicle headlight (2) comprises at least one laser light source (3) and at least one luminous element (4) which can be irradiated by the laser light source (3) and can thus be excited to emit visible light.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: June 13, 2017
    Assignee: ZKW GROUP GMBH
    Inventor: Friedrich Bauer
  • Patent number: 9671080
    Abstract: The invention relates to a lighting device (1) for a motor vehicle headlight, wherein the lighting device (1) has at least one reflector (10, 11, 12, 13), and assigned to the at least one reflector (10, 11, 12, 13) is at least one light source (20, 21, 22, 23), and light from the at least one light source (20, 21, 22, 23) is radiated into a region in front of the lighting device (1) by means of the reflector (10, 11, 12, 13) in order to form a light distribution or a part of a light distribution. The lighting device (1) has at least one, preferably exactly one reflector support (30), and the at least one reflector (10, 11, 12, 13) is fixedly attached to the at least one reflector support (30), and the at least one light source (20, 21, 22, 23) is arranged on at least one light source support (40, 41, 42, 43), and the at least one light source support (40, 41, 42, 43) is movably mounted on the reflector support (30) and can be fixed in a defined position relative to the reflector support (30).
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: June 6, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Christian Seyrlehner, Christoph Zeller
  • Patent number: 9664351
    Abstract: The invention relates to a light source module (1) for a vehicle headlight (2), wherein the light source module (1) has at least one laser light source (3) and at least one luminous element (4) which can be excited by illumination with laser light to emit visible light and which can be irradiated by the laser light source (3), wherein the laser light source (3) and the luminous element (4) are arranged spaced apart from one another on a carrier element (5) and light source module (1) has means (5?, 6?; 5?, 6?) which are arranged on the carrier element (5) in order to be detachably mounted in the vehicle headlight. The invention also relates to a vehicle headlight (2) with at least one such light source module (1).
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: May 30, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Friedrich Bauer, Andreas Moser, Johann Altmann, Erich Kaufmann, Christian Jackl
  • Patent number: 9664847
    Abstract: The invention relates to a lighting device (100) for a motor vehicle headlight, comprising a number of light sources (1), at least one attachment optical unit (2), having a light entrance surface (2a) and a light exit surface (2b), wherein the at least one attachment optical unit (2) comprises a plurality of light-guiding bodies (3), and wherein each light-guiding body (3) has a light entrance surface (3a), into which in each case at least one light source (1) feeds light, and wherein the light-guiding bodies (3) lead into the common light exit surface (2b). According to the invention, at least one, preferably exactly one, position holder (4) is provided, by means of which the light entrance surfaces (3a) of the light-guiding bodies (3) of the at least one attachment optical unit (2) are held in position in relation to the light sources (1).
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: May 30, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Irmgard Krenn, Josef Plank
  • Patent number: 9625113
    Abstract: A vehicle headlight having at least one laser light source (2), of which the laser beam (3) is deflected onto a lighting surface (6) having a light-conversion phosphor via a micromirror (1) that can be pivoted about at least one axis in order to generate a light image on said lighting surface in a scanning manner, which light image can be projected onto a roadway via an optics unit (7). In this headlight at least one photosensor (9) is positioned with respect to the lighting surface (6) having the light-conversion phosphor such that the photosensor detects a secondary laser beam (8) emitted from the lighting surface in predetermined deflection positions of the micromirror (1) and is designed to emit a signal (s).
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: April 18, 2017
    Assignee: ZKW GROUP GMBH
    Inventor: Thomas Mitterlehner
  • Patent number: 9618174
    Abstract: The invention relates to an LED light-source module (M, M1-M4) for an LED motor vehicle headlight (SW), in particular for an LED motor vehicle headlight (SW) for producing a dynamic light distribution, wherein the LED light-source module (M) comprises two or more LED light sources (LEQ), wherein one LED light source (LEQ) in each case comprises at least one light-emitting diode (LED1, LED2), and wherein the light-emitting diodes (LED1, LED2) of each LED light source (LEQ) couple light into an associated primary optical element (P1-P4), wherein the incoupled light exits, at least partially, through a light exit surface (L1-L4) of the primary optical element (P1-P4), and wherein the light exit surfaces (L1-L4) of the primary optical elements (P1-P4) of an LED light-source module (M) are connected to one another by means of a light-permeable material such that light coupled into the primary optical elements (P1-P4) can enter the light-permeable material and can then exit this material through a light exit surfac
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: April 11, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Johannes Jungwirth, Andreas Moser, Günther Krenn
  • Patent number: 9611997
    Abstract: An LED projection module (1) includes two or more LED light sources which each consist of one or more light-emitting diodes that couple light via a light coupling-in point associated therewith into an optical waveguide. Light exits from the optical waveguides via a light decoupling point. The exiting light is projected by a projection lens to form at least one light distribution. The optical waveguides for the individual LED light sources are arranged laterally side by side in a horizontal plane and border one another directly such that light can pass over between adjacent optical waveguides. The individual light outlet surfaces are arranged side by side and form a total-light light outlet surface. One or more indentations are provided in the total-light light outlet surface, between the individual light outlet surfaces, and in each case extend at least over part of the vertical extension of the total-light light outlet surface.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: April 4, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Friedrich Bauer, Andreas Moser
  • Patent number: 9611994
    Abstract: The invention relates to a vehicle headlight (1) comprising at least one laser light source (2), at least one luminous element (3) that may be stimulated to emit visible light which can be irradiated by means of the laser light source (2), and at least one imaging optical element, for example a reflector (4) and/or a lens, wherein the laser light source (2) is disposed in front of the luminous element (3) as viewed in the main beam direction (100) of the vehicle headlight (1) such that the light from the laser light source (2) radiates in the opposite direction to the main beam direction (100) of the vehicle headlight (1).
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: April 4, 2017
    Assignee: ZKW GROUP GMBH
    Inventors: Friedrich Bauer, Andreas Moser, Johann Altmann, Erich Kaufmann