Patents Assigned to ZKW GROUP GMBH
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Patent number: 10131268Abstract: A laser unit (2) for a vehicle headlight with a laser diode (11) and, associated with the laser diode (11), adjustable optics with optical elements comprising at least one collimator, wherein at least one optical element selected from the group consisting of a collimator (13, 22) and a deflection mirror (20) is mounted so that it can pivot about at least one spatial axis.Type: GrantFiled: January 20, 2015Date of Patent: November 20, 2018Assignee: ZKW Group GmbHInventor: Matthias Mayer
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Patent number: 10119670Abstract: A headlight for vehicles, said headlight comprising at least one light source (1) together with a focusing optical unit (6), a micromirror array (7), and an imaging optical unit (9), wherein a central computing unit (4) comprising a light source control (3) and an array control (12) is associated with the light source and with the micromirror array, and the central computing unit is configured to switch the position of the micromirrors between an OFF state and an ON state periodically with a predefined control frequency and a predefined duty cycle by means of the array control, and the formed light ray (2) from the at least one light source is directed at the micromirror array, and the light beam structured and reflected thereby is projected onto the road (11) as a light pattern (10) via the imaging optical unit (9), wherein the computing unit (4) is configured to suppress the focused light ray (2) directed at the micromirror array (7) at predefinable times and synchronously with the control frequency of theType: GrantFiled: June 6, 2016Date of Patent: November 6, 2018Assignee: ZKW GROUP GMBHInventors: Markus Reinprecht, Michael Riesenhuber
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Patent number: 10101001Abstract: A headlight for vehicles, having a plurality of light sources (5,13) and an optics (11) assigned to the light sources, in which a first lighting unit (1) having at least one light source (13) for generating a first, dynamically variable light effect and a second, laser lighting unit (4) having at least one laser light source (5), at least one beam defection unit (7) and at least one light conversion unit (8) are provided, and the optics (11) is configured to combine the two light effects generated by the first lighting unit and at the light conversion unit of the second laser lighting unit to form an overall light distribution on a carriageway.Type: GrantFiled: May 26, 2014Date of Patent: October 16, 2018Assignee: ZKW Group GmbHInventor: Markus Reinprecht
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Patent number: 10101000Abstract: A lighting unit for a headlight, in particular a motor vehicle headlight, having at least two light sources (1a, 1b), at least one reflector (2a, 2b), which delimits two light chambers (3a, 3b), a bezel (4), and a projection lens (5) having an optical axis (A), wherein a light chamber (3a) is arranged on an upper side and a light chamber (3b) is arranged on an underside of the bezel (4), wherein at least one light source (1a, 1b) is arranged within each of the light chambers (3a, 3b) and the bezel (4) extends substantially as far as a focal plane (E) of the projection lens (5) in order to produce a sharp light/dark boundary in a light exposure produced by the lighting unit, wherein the bezel (4) has at least one light window (7a, 7b), wherein at least one light path (8a, 8b, 8c, 8d) extends outwardly from a light chamber (3a, 3b), through the at least one light window (7a, 7b) and through the projection lens (5).Type: GrantFiled: April 7, 2014Date of Patent: October 16, 2018Assignee: ZKW Group GmbHInventors: Dietmar Kieslinger, Johann Altmann
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Patent number: 10071672Abstract: 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: GrantFiled: August 11, 2015Date of Patent: September 11, 2018Assignee: ZKW Group GmbHInventors: Julian Baker, Martin Biesenberger, Stefan Miedler
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Patent number: 10047924Abstract: A motor vehicle light system (2) comprising at least two light sources (12a through 12d), at least two optical waveguides (11a through 11d), at least one downstream transparent emission element (10), and at least one controller (5) for time-offset actuation of the at least two light sources (12a through 12d), the at least two light sources (12a through 12d) being set up to couple light into one optical waveguide each (11a through 11d), the optical waveguides (11a through 11d) each having at least one light out-coupling section (14a through 14c) that is set up to couple light into a light coupling section (19) of the emission element (10), wherein the light coupling section (19) of the emission element (10) is step-shaped.Type: GrantFiled: October 29, 2015Date of Patent: August 14, 2018Assignee: ZKW GROUP GMBHInventors: Anton Faffelberger, Laura Danner
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Patent number: 10018319Abstract: In order to determine a zero position of the actuating drive (14) of a luminous range adjustment of a light module (10) in a headlamp for vehicles, light coming from the light source (1) is directed onto an absorber surface (12). The absorber surface (12) has an opening, through which light passes as a delimited light beam (17). By means of the actuating drive (14), the light module (10) is pivoted in terms of its angle position, an intensity of the light beam (17) passing through the opening being detected by means of a light-sensitive sensor (15) which is arranged behind the absorber surface (12).Type: GrantFiled: January 24, 2017Date of Patent: July 10, 2018Assignee: ZKW GROUP GMBHInventors: Peter Mayer, Thomas Mitterlehner
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Patent number: 10018317Abstract: The invention relates to a lighting device (1) for a headlamp, in particular a motor-vehicle headlamp, comprising a plurality of light sources (100), a light-guiding device (10) with a plurality of light-guiding elements (11, 12, 13), and a downstream imaging optical element (200), wherein each light-guiding element (11, 12, 13) has a light infeed face and a light exit face, wherein the light-guiding elements (11, 12, 13) are arranged in at least one row, wherein the light-guiding elements of at least one row are configured as main beam light-guiding elements (11) and form a main beam row, wherein each main beam light-guiding element (11) comprises a lower light-guiding face (24), wherein the lower light-guiding face (24) has, at least in the region in which the light beams (52) are reflected, structures (25) at least in regions.Type: GrantFiled: July 18, 2016Date of Patent: July 10, 2018Assignee: ZKW GROUP GMBHInventors: Lukas Taudt, Josef Plank
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Patent number: 10011214Abstract: A vehicle headlight with a laser light source (1), having at least on laser diode branch (Z) with at least one modulated laser diode (DL), wherein the laser beam (2) of the at least one laser diode can be directed in a scanning manner by means of a light scanner (7) onto a light conversion means (8) in order to generate a luminous image (11) on same, which is projected by means of an imaging system (12) as light image (11?) onto the road (13), as well as with a laser diode controller (3) and a processing unit (4) associated with same, which is supplied with sensor signals (s1 . . . sn) and which delivers a modulation signal (sm) for the laser diode controller, and with a controlled power supply (15) for the laser diode controller. The laser diode branch (Z) is bridged by a controlled parallel circuit (P) which is designed as a current controller with an analog controller (16, T2) of the laser diode controller (3) and the modulation signal (sm) is fed to the analog controller.Type: GrantFiled: December 1, 2017Date of Patent: July 3, 2018Assignee: ZKW GROUP GMBHInventor: Emanuel Weber
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Patent number: 10001254Abstract: In an illuminating device (A), in particular for a motor vehicle, light emitted by an area light source (K) is projected as distributed light by an optical arrangement (E). The optical arrangement (E) comprises at least a first and a second optical component (L1, L2) axially one after the other, as seen along a longitudinal axis (x). In order to adjust the position thereof in the axial direction, an adjusting device (C) is provided for the optical components (L1, L2), said device having a first adjusting ring (G1), which can be rotated about the longitudinal axis (x) and is connected to an extension piece (J1) via a transmission connection, which converts rotation of the first adjusting ring (G1) in relation to the extension piece (J1) into axial displacement.Type: GrantFiled: May 6, 2016Date of Patent: June 19, 2018Assignee: ZKW GROUP GMBHInventor: Matthias Mayer
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Patent number: 9992920Abstract: A method for accurate population of a circuit carrier (2) with at least one electronic component (1) which comprises at least two separately controllable light-emitting surfaces (3a, 3b, 3c), having the following steps: a) optically detecting current positions of the at least two light-emitting surfaces (3a, 3b, 3c) of the electronic component (1); b) calculating at least one current variable (Sist) characterizing the geometric location of the light-emitting surfaces (3a, 3b, 3c) according to the current positions of the at least two light-emitting surfaces (3a, 3b, 3c) of the electronic component (1); c) comparing the at least one current variable (Sist) to at least one target variable (Ssoll) for calculating at least one correction variable (k); d) populating the circuit carrier (2) with the at least one electronic component (1) according to the at least one correction variable (k).Type: GrantFiled: June 2, 2016Date of Patent: June 5, 2018Assignee: ZKW GROUP GMBHInventors: Jürgen Zorn, Dietmar Kieslinger
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Publication number: 20180147978Abstract: The invention relates to a method for controlling a light scanner (7) in a headlight for vehicles, wherein the laser beam of at least one modulated laser light source (1) is directed in a scanning manner, by way of the light scanner, onto a light conversion means (8) so as to generate a light image (11) thereon, which is projected via an imaging system (12) as a light image (11?) onto the roadway, a micromirror (10) of the light scanner is pivoted according to defined characteristic control curves in at least one coordinate direction, the desired light image (11) is divided into a pixel set having n rows and/or m columns, the horizontal and/or vertical characteristic control curves for the micromirror (10) are adapted to at least one selected row and/or column in terms of the required optical power of the pixels, and the adapted horizontal and/or vertical characteristic control curves are used to control the micromirror.Type: ApplicationFiled: March 10, 2016Publication date: May 31, 2018Applicant: ZKW Group GmbHInventors: Bettina REISINGER, Thomas MITTERLEHNER
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Patent number: 9981593Abstract: A process for producing an adaptive light pattern that is produced by at least one vehicle headlight (SW1, SW2) in a vehicle (2) that can be steered by a vehicle driver (3), the at least one vehicle headlight (SW1, SW2) having at least one adaptive means of illumination (BM1, BM2), wherein at least one camera (5) detects the direction (BR) in which the vehicle driver is looking, at least one computing unit (6) evaluates the information obtained in this way and produces, on the basis of this information, control signals and transmits the control signals to the at least one vehicle headlight (SW1, SW2) with the at least one adaptive means of illumination (BM1, BM2), and wherein the at least one adaptive means of illumination (BM1, BM2) is controlled, on the basis of the control signals for targeted illumination of an area (BR1) lying in the direction (BR) in which the vehicle driver (3) is looking.Type: GrantFiled: July 15, 2014Date of Patent: May 29, 2018Assignee: ZKW GROUP GMBHInventor: Peter Mayer
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Patent number: 9958125Abstract: 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, and the light guiding element (1) can substantially be arranged between the laser light source (3) and the luminous element (4), wherein the light guiding element (1) has a light entrance surface (5) and a light exit surface (6), wherein the entrance cross-sectional area of the light entrance surface (5) is greater than the exit cross-sectional area of the light exit surface (6), and the light radiated in through the light entrance surface (5) can be concentrated in the direction of the light exit surface (6) via the inner surface (7) connecting the light entrance surface (5) and the light exit surface (6).Type: GrantFiled: March 4, 2013Date of Patent: May 1, 2018Assignee: ZKW GROUP GMBHInventors: Friedrich Bauer, Andreas Moser, Johann Altmann, Erich Kaufmann
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Patent number: 9951919Abstract: The invention relates to a microprojection light module (1) for a motor vehicle headlight, comprising at least one light source (2) and at least one projection arrangement (3), which images the light exiting from the at least one light source (2) into a region in front of the motor vehicle in the form of at least one light distribution, wherein the projection arrangement (3) comprises: an entry optics (30), which consists of an array of micro entry optics (31); an exit optics (40), which consists of an array of micro exit optics (41), wherein each micro entry optics (31) is paired with exactly one micro exit optics (41), wherein the micro entry optics (31) are formed in such a way and/or the micro entry optics (31) and the micro exit optics (41) are arranged relative to one another in such a way that the light exiting from a micro entry optics (31) enters precisely only into the paired micro exit optics (41), and wherein the light pre-shaped by the micro entry optics (31) is imaged by the micro exit optics (4Type: GrantFiled: October 20, 2014Date of Patent: April 24, 2018Assignee: ZKW GROUP GMBHInventors: Friedrich Bauer, Gerald Boehm
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Patent number: 9933253Abstract: The invention relates to a method for positioning a light-shaping member, for example a reflector (1), relative to at least one light source (2), comprising the following steps: a) fitting the at least one light source (2) on a carrier plate (3); b) measuring the position of the at least one light source (2) on the carrier plate (3); c) fitting one or preferably more reference positions (4) on the carrier plate (3), wherein the position of the at least one reference position (4) is dependent on the position of the at least one light source (2); d) referencing, i.e. aligning, the light-shaping member to/with the reference position(s) (4) on the carrier plate (3); and e) securing the light-shaping member on the carrier plate (3) or in relation to the carrier plate (3).Type: GrantFiled: July 22, 2013Date of Patent: April 3, 2018Assignee: ZKW GROUP GMBHInventor: Daniel Petsch
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Patent number: 9927082Abstract: The invention relates to a method for producing a lighting unit of a vehicle headlight, comprising the following steps: provision of a printed circuit board (1) comprising a plurality of groups (A, B, C) of contact pads (2) for contacting LEDs (3), population of contact pads (2) in the groups (A, B, C) with LEDs (3), wherein the contact pads (2) to be populated are selected according to a desired light function of the respective group (A, B, C), and provision of securing means (A?, B?, C?) for reflectors (A?, B?, C?) on the printed circuit board (1), wherein each securing means (A?, B?, C?) is specifically designed for a reflector (A?, B?, C?) that is adapted to the light function of the respective group (A, B, C).Type: GrantFiled: January 7, 2014Date of Patent: March 27, 2018Assignee: ZKW GROUP GMBHInventors: Friedrich Bauer, Martin Biesenberger
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Patent number: 9915405Abstract: The invention relates to a lighting device (500) for a motor vehicle headlight, wherein the lighting device comprises at least one optical body (1) and at least one mounting device (100) for the at least one optical body (1), wherein the at least one optical body (1) has a number of adjacently arranged ancillary optics (11, 12, 13, 14, 15), wherein each ancillary optics (11-15) is formed from a light-guiding material and each ancillary optics (11-15) has a light-coupling face (11a-15a) and a light-decoupling face (11b-15b), wherein the at least one mounting device (100) has at least one receptacle (111, 112, 113, 114, 115) for each ancillary optics (11-15), and wherein receptacles (111-115) are delimited by delimiting walls (111?, 112?, 113?, 114?, 115?), wherein the delimiting walls (111?, 112?, 113?, 114?, 115?) have boundary edges (111a?, 112a?, 113a?, 114a?, 115a?) on the light exit side, which boundary edges (111a?, 112a?, 113a?, 114a?, 115a?) are imaged, in a light distribution produced by means of theType: GrantFiled: October 27, 2014Date of Patent: March 13, 2018Assignee: ZKW GROUP GMBHInventors: Udo Maier, Lukas Taudt, Oliver Reittegger
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Patent number: 9908457Abstract: A lighting device for motor vehicles comprising an optical waveguide element (14) that has a light entrance surface (16) and a light exit surface (15) and that has an electric light-emitting layer (19) on at least part of at least one surface of the optical waveguide element. The light-emitting layer is advantageously in the form of an OLED layer.Type: GrantFiled: April 30, 2014Date of Patent: March 6, 2018Assignee: ZKW GROUP GMBHInventors: Markus Reinprecht, Stefan Miedler, Gerald Böhm, Adolf Teufl, Thomas Edletzberger
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Patent number: 9879837Abstract: An optical structure for a lighting device of a motor vehicle headlight is disclosed. The optical structure is paired with or is a part of the lighting device such that it modifies a light distribution produced by the lighting device. The optical structure (1) includes two, three or more optical structural elements. Each structural element has a light-scattering effect. A first proportion of the structural elements is formed in such a way that beams generated by the lighting device and impinging on this first proportion of the structural elements pass through the proportion of the structural elements. Each beam is refracted by the relevant structural element to form a first exit beam, to form a second exit beam, and to form at least one further exit beam.Type: GrantFiled: May 2, 2016Date of Patent: January 30, 2018Assignee: ZKW GROUP GMBHInventors: Dietmar Kieslinger, Josef Pürstinger, Markus Danner