US Pat. No. 9,841,158

LIGHT MODULE WITH TWO OR MORE REFLECTORS FOR A MOTOR VEHICLE

ZKW GROUP GMBH, Wieselbu...

1. A light module for a motor vehicle headlamp, the light module comprising:
two or more LED light sources, which are each positioned in defined positions relative to one another; and
two or more reflectors, which are each associated with a single LED light source of the two or more LED light sources,
wherein the two or more reflectors are movably connected by at least one film hinge;
wherein the two or more LED light sources are mounted on a circuit board, and
wherein each of the two or more reflectors is positionable and referenceable independently of the other reflector(s) on the
circuit board with respect to the LED light source associated therewith to an extent provided by a flexibility of the at least
one film hinge.

US Pat. No. 9,500,332

LIGHTING MODULE FOR A MOTOR VEHICLE

ZKW GROUP GMBH, Wieselbu...

1. A motor vehicle headlight with at least one light module, wherein the at least one light module comprises:
a heat sink;
a carrier plate for at least one light source secured on the heat sink; and
at least one light source arranged on the carrier plate;
wherein the carrier plate has at least one reference position for referencing a reflector or other light-shaping member to
the carrier plate in a specific position,

wherein the reflector or other light-shaping member has a securing base, by means of which securing base the reflector or
other light-shaping member can be referenced to the at least one reference position of the carrier plate,

wherein the securing base is assigned at least one return element, by means of which the securing base can be secured at least
temporarily in the reference position thereof in relation to the carrier plate,

wherein the at least one return element in the reference position of the securing base is biased between the securing base
and a stop region of the heat sink in such a way that the securing base is held in the reference position thereof in relation
to the carrier plate.

US Pat. No. 9,992,920

METHOD FOR ACCURATE POPULATION OF A CIRCUIT CARRIER

ZKW GROUP GMBH, Wieselbu...

1. 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), by which position errors of the light-emitting surfaces (3a, 3b, 3c) on the electronic component are detected and compensated for by calculating a correction variable (k), the method comprising:a) optically detecting current positions of the at least two light-emitting surfaces (3a, 3b, 3c) of the electronic component (1) with respect to a reference point;
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), wherein the target variable (Ssoll) is represented by predefined values regarding the location and orientation of the light-emitting surfaces (3a, 3b, 3c) with respect to the reference point;
d) populating the circuit carrier (2) with the at least one electronic component (1) according to the at least one correction variable (k).

US Pat. No. 9,528,680

LIGHT MODULE FOR A VEHICLE HEADLAMP

ZKW GROUP GMBH, Wieselbu...

1. A light module for a vehicle headlight, the light module comprising: a heat sink and a plurality of lighting units secured
on the heat sink, each of the lighting units comprising at least one light source, a light source carrier and a reflector
unit secured to the light source carrier, and the light source carrier (4) is formed by a circuit board (4),
wherein the light source carrier of the at least one lighting unit rests rotatably on a horizontal supporting surface (3) of the heat sink (2).

US Pat. No. 9,611,994

VEHICLE HEADLIGHT WITH LASER LIGHT SOURCE

ZKW GROUP GMBH, Wieselbu...

1. A vehicle headlight (1) comprising:
at least one laser light source (2), at least one luminous element (3) configured to 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,

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),

wherein the at least one imaging optical element is embodied as a reflector (4), wherein the luminous element (3) is disposed in a focal point of the reflector (4), and wherein at least one light guiding element (9) is disposed between the laser light source (2) and the luminous element (3), wherein the at least one light guiding element (9) is substantially funnel-shaped and compensates for deviations in the light from the laser light source (2), and

wherein at least one design screen element (10) encloses the laser light source (2) for vision protection, wherein the design screen element (10) comprises at least one design screen opening (17), wherein the at least one design screen opening (17) is in the form of a nozzle, and wherein the at least one design screen opening (17) is oriented in the direction of a cover panel (8) of the vehicle headlight (1).

US Pat. No. 9,563,010

METHOD FOR GENERATING A RUNNING LIGHT EFFECT ON AN OPTICAL WAVE GUIDE STRUCTURE AND OPTICAL WAVE GUIDE STRUCTURE

ZKW GROUP GMBH, Wieselbu...

1. A method for generating a chasing effect on an optical wave guide structure, the method comprising:
providing an optical wave guide structure that comprises
at least one optical wave guide configured to guide input light and to emit light based on irregularities embodied on the
optical wave guide, and

at least two light input positions, each of which is associated with a light source, the light source of each of the at least
two light input positions collectively being the light sources; and

changing the brightness levels of the light sources independently from each other according to predefined dimming curves as
a function of time, wherein changing the brightness levels comprises:

reducing the brightness of a first light source starting from a maximum value according to a first falling dimming ramp; and
reducing the brightness of a second light source starting from a maximum value according to a second falling dimming ramp,
wherein the reduction in the brightness of the second light source begins with a time delay in relation to the starting time
of the reduction of the first light source.

US Pat. No. 9,527,432

SAFETY DEVICE FOR HEADLIGHTS WITH LASER LIGHT SOURCES AND METHOD FOR SHUTTING DOWN LASER LIGHT SOURCES IN CASE OF SAFETY-CRITICAL CONDITIONS

ZKW GROUP GMBH, Wieselbu...

1. A safety device for headlights with laser light sources configured to shutdown the laser light sources in safety-critical
conditions, comprising:
a headlight unit (1) which comprises at least one laser light source (2), a light converter (3), and an optics (4);

a monitoring arrangement (14) configured to output control signals (sta, sts, stv) in the presence of the safety-critical conditions;

a headlight controller (10) configured to shutdown the at least one laser light source (2), or keep it shutdown, when the control signals (sta, sts, stv) are supplied; and

at least one auxiliary headlight (8) and a switch (9) controlled by the headlight controller (10), wherein the switch switches on the auxiliary headlight (8) when the at least one laser light source (2) is switched off,

wherein:
a signal (sv) of a speed sensor (Sv) is supplied to the headlight controller, which is designed to switch off the at least one laser light source (2) and to switch on the auxiliary headlight (8) when a predefinable vehicle speed (v0) is undershot,

a control signal (sta) is from an acceleration sensor to the headlight controller, which is designed to actuate an off switch (7) of the at least one laser light source (2) when a maximum acceleration is exceeded, or

at least one control signal is supplied from a passive safety system comprising an airbag control device (12) to the headlight controller (10), which is designed to actuate the off switch (7) of the at least one laser light source (2) when the at least one control signal (sta) is supplied.

US Pat. No. 9,625,113

VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A vehicle headlight comprising:
at least one laser light source (2);

a lighting surface (6) having a light-conversion phosphor;

a micromirror (1) that can be pivoted about at least one axis;

an optics unit (7); and

at least one photosensor (9),

wherein a laser beam (3) from the at least one laser light source (2) will be deflected onto the lighting surface (6) via the micromirror (1) pivoting in a scanning manner to generate on the lighting surface (6) a light image which can be projected onto a roadway via the optics unit (7), and

wherein the at least one photosensor (9) is positioned with respect to the lighting surface (6) to detect a secondary laser beam (8) emitted from the lighting surface in predetermined deflection positions of the micromirror (1), which deflection positions correspond to a deflection angle (?) and is designed to emit a signal (s), which signal (s)
serves as a synchronisation signal for a laser modulation.

US Pat. No. 9,500,335

LIGHTING DEVICE FOR GENERATING A SEGMENTED LIGHT DISTRIBUTION

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (1) for a motor vehicle, comprising two or more lighting units (2), wherein each lighting unit (2) comprises:
at least one reflector (3) and at least one light source (4) paired with the at least one reflector (3),

wherein light from the at least one light source (4) is emitted into a region in front of the vehicle via the corresponding at least one reflector (3) in the installed state of the lighting device (1), and

wherein sub-light distributions of the two or more lighting units (2) form a light distribution of the lighting device (1),

wherein the sub-light distributions of the individual lighting units (2) are arranged adjacently to one another in the horizontal direction, and wherein the reflectors (3) of the lighting units (2) are designed in such a way that the sub-light distribution of each lighting unit (2) has at least one sharp vertical light-dark boundary,

wherein the reflectors (3) are divided into groups each having at least one reflector, and wherein the reflectors are designed in such a way that the
lighting units (2) with reflectors of a group produce a sub-light exposure of substantially identical form, and the sub-light exposures of
the lighting units (2) with reflectors from different groups differ from one another, and

wherein each light source (4) of a lighting unit is paired with at least one beam shield (5).

US Pat. No. 9,816,678

LIGHT-EMITTING UNIT COMPRISING A LIGHT GUIDE UNIT FOR A PROJECTOR LAMP

ZKW GROUP GMBH, Wieselbu...

1. A light guide unit (3) for a light-emitting unit (1) for a motor vehicle headlamp or other projector lamp, wherein the light-emitting unit (1) comprises a plurality of light sources (2), the light guide unit (3), and a downstream projection lens (4), the light guide unit (3) comprising:
a plurality of light guides (30), wherein each light guide (30) comprises 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);

an accommodating element (5), which has an accommodating opening (5a) which passes completely through the accommodating element (5) in the light exit direction; and

at least one light guide body (6), which is in the form of a component formed separately from the accommodating element (5), in which at least one light guide body (6) at least some of the light guides (30) of the light guide unit (3) are formed, and wherein the at least one light guide body (6) is inserted into the accommodating opening (5a) of the accommodating element (5), wherein the plurality of light sources (2) are positioned outside of the accommodating element (5) on one side of the accommodating opening (5a) such that light from the plurality of light sources (2) is coupled into the light guides (30) of the light guide body (6) and exits the light exit surface (30a) on an opposite side of the accommodating opening (5a).

US Pat. No. 9,664,351

VEHICLE HEADLIGHT WITH LASER LIGHT SOURCE

ZKW GROUP GMBH, Wieselbu...

1. A light source module (1) for a vehicle headlight (2), the light source module (1) comprising:
at least one laser light source (3);

at least one luminous element (4) which is configured to be excited by illumination with laser light to emit visible light and which is configured to be irradiated
by the laser light source (3);

a carrier element (5) on which the laser light source (3) and the luminous element (4) are arranged spaced apart from one another; and

a means, which is arranged on the carrier element (5), for detachable mounting of the light source module (1) into the vehicle headlight (2), wherein the means for detachable mounting comprise reference means (5?, 6?; 5?, 6?) for referencing at least one of the light source module (1) and the laser light source (3) in the vehicle headlight (2), wherein the reference means are formed on at least one of the laser light source (3) and the carrier element (5), which cooperate with corresponding bearing surface receptacles on the vehicle headlight (2),

wherein the luminous element (4) is arranged on the carrier element (5) in such a way that the luminous element is arranged in the mounted state in a focal point of a reflector (6) of the vehicle headlight (2).

US Pat. No. 9,664,847

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (100) for a motor vehicle headlights comprising:
a plurality of light sources (1);

at least one attachment optical unit (2) having a light entrance surface (2a) and a common 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); and

at least one position holder (4) which holds the light entrance surfaces (3a) of the light-guiding bodies (3) of the at least one attachment optical unit (2) in position in relation to the light sources (1), wherein the position holder (4) for each light-guiding body (3) has a receptacle (4a), in which the associated light-guiding body (3) is received and positioned with an accurate fit,

wherein the receptacles (4a) have a cross section tapering toward the rear, wherein this cross section is narrowed to a greater extent than that of the
light-guiding body (3) such that delimiting walls of the receptacles (4a) have a greater convergence than delimiting walls of the light-guiding bodies (3), resulting in the light-guiding bodies (3) contacting the delimiting walls of the receptacles (4a) in a narrow region substantially along a line.

US Pat. No. 9,611,997

LED PROJECTION MODULE

ZKW GROUP GMBH, Wieselbu...

1. An LED projection module (1), comprising:
two or more LED light sources (2, 3, 4), wherein each LED light source (2, 3, 4) consists of one or more light-emitting diodes,

wherein each LED light source (2, 3, 4) couples light via a light coupling-in point (21, 31, 41) associated therewith into an optical waveguide (20, 30, 40), and wherein light exits from the optical waveguides (20, 30, 40) via a light decoupling point (22, 32, 42) of the optical waveguide (20, 30, 40), and wherein the exiting light is projected by means of a projection lens (90) into the outside space so as to form at least one light distribution,

wherein the optical waveguides (20, 30, 40) for the individual LED light sources (2, 3, 4) are arranged laterally side by side in a horizontal plane and border one another directly or form a common total-light optical
waveguide (100), such that light can pass over between adjacent optical waveguides (20, 30, 40), and wherein the individual light outlet surfaces (22, 32, 42) are arranged side by side and form a total-light light outlet surface (110), and wherein one or more indentations (201, 202) are provided in the total-light light outlet surface (110), between the individual light outlet surfaces (22, 32, 42), and in each case extend at least over part of the vertical extension of the total-light light outlet surface (110) and provide total reflection for the light impinging the one or more indentations.

US Pat. No. 10,001,254

ILLUMINATING DEVICE WITH ADJUSTMENT OF THE OPTICAL COMPONENTS

ZKW GROUP GMBH, Wieselbu...

1. An illuminating device (A) for a motor vehicle, the device comprising:at least one area light source (K);
an optical arrangement (E) configured to project light (B2) emitted from the at least one area light source (K) in the form of at least one light distribution (N), wherein the optical arrangement (E), in axial succession with regard to a longitudinal axis, comprises a first optical component (L1) and a second optical component (L2), the positions of which are axially adjustable; and
an adjusting device (C) configured to adjust the first and second optical components (L1, L2), the adjusting device comprising a first adjusting ring (G1), which is configured to be rotated about the longitudinal axis (x) and is connected to an extension piece (J1) via a transmission connection which converts the rotation of the first adjusting ring (G1) in relation to the extension piece (J1) into axial displacement,
wherein a holder (H1) of the first optical component (L1), with the aid of a spring arrangement (I1), is retained axially to the first adjusting ring (G1) and is configured to be adjusted axially in relation to the extension piece (J1), and
wherein the second optical component (L2) is retained in a holder (H2) which is secured axially to the extension piece (J1).

US Pat. No. 9,803,825

LIGHTING DEVICE FOR A VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. 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;

positioning means (3a, 3b, 3c) on the optics body (3) for positioning the at least one LED light source carrier (4);

positioning means (31; 3a) for the subsequent positioning of a heat sink (5) on the optics body (3); and

a fixing element (6), which can be fastened to the optics body (3) in such a way that in a 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),

wherein at least two domes (3a) are arranged on the optics body (3),

wherein the fixing element (6) has a number of resilient clamp portions (6a) corresponding to the number of the at least two domes (3a),

wherein each dome (3a) in a region extending away from the optics body (3) has at least one run-on portion (3a?) for in each case one resilient clamp portion (6a) of the fixing element (6), and wherein the fixing element (6) is configured to be slid onto the optics body (3) or the heat sink (5) in a direction normal to the orientation (Z) of the domes (3a), and the resilient clamp portions (6a) are configured to be pressed and clamped against the at least one run-on portion (3a?) in the direction of the optics body (3).

US Pat. No. 9,777,901

HEADLIGHT FOR A MOTOR VEHICLE AND METHOD FOR DISTRIBUTING LIGHT

ZKW GROUP GMBH, Wieselbu...

1. A process for producing a specified light pattern on a road using a motor vehicle headlight, comprising:
directing at least one modulated laser beam onto a means of light conversion through at least one means of beam deflection,
and

projecting a light image produced on the means of light conversion onto the road,
wherein laser beams of a first group of at least two laser light sources are directed, through the at least one means of beam
deflection, onto the at least one means of light conversion to produce a first group of at least two substantially horizontal
light bands lying on top of one another,

wherein laser beams of a second group of at least two laser light sources are directed, through the at least one means of
beam deflection, onto the at least one means of light conversion to produce a second group of at least two substantially horizontal
light bands lying on top of one another,

wherein the light bands of the first group and the light bands of the second group partially overlap one another at the same
time along a vertical axis.

US Pat. No. 9,746,150

HEADLIGHT ASSEMBLY COMPRISING LIGHT-CONDUCTING RODS FOR A HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lamp unit for a headlight, the lamp unit comprising:
multiple light sources;
a light guide unit; and
a downstream projector lens,
wherein the light guide unit has multiple light guides, each light guide having one light decoupling surface and one light
coupling surface, and each light source coupling light into exactly one light guide assigned to it through one light coupling
surface,

wherein the light sources and the light coupling surfaces of the light guides have light conducting rods arranged between
them, which are joined into at least one light conducting rod bundle, each light source having a plurality of light conducting
rods assigned to it, and each light source coupling light essentially exclusively into the light conducting rod coupling areas
of light conducting rods assigned to the respective light source, and the light of an assigned light source that exits from
the light conducting rod decoupling areas being coupled essentially exclusively into the light coupling surface of the light
guide assigned to the respective light source to reduce crosstalk.

US Pat. No. 9,981,593

DYNAMIC MEANS OF ILLUMINATING A FIELD OF VISION

ZKW GROUP GMBH, Wieselbu...

1. A process for producing an adaptive light pattern that is produced by at least one vehicle headlight (SW1, SW2) in a vehicle (2) that is configured to 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), the process comprising:detecting, with at least one camera (5), a direction (BR) in which the vehicle driver is looking;
using at least one computing unit (6) to evaluate the detected direction and thereby produce control signals; and
transmitting the control signals to the at least one vehicle headlight (SW1, SW2) with the at least one adaptive means of illumination (BM1, BM2) to produce the adaptive light pattern,
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,
wherein the at least one adaptive means of illumination (BM1, BM2) is configured to execute different light functions comprising a low-beam function, a glare-free high-beam function, and an adaptive light pattern function, the light functions being organized in a hierarchy, in which a production of a low-beam pattern comprises the highest priority followed by a production of a high-beam pattern and the targeted illumination of the area lying in the direction (BR) in which the vehicle driver (3) is looking, and
wherein surroundings of the vehicle are detected by the at least one camera (5), and wherein the at least one computing unit (6) evaluated information obtained from the at least one camera (5), recognizes light-reflecting objects comprising road signs located in the vehicle surroundings, and controls an intensity of targeted illumination of one of the light-reflecting objects on the basis of its reflectivity.

US Pat. No. 9,879,837

OPTICAL STRUCTURE FOR SIGNAL LIGHT

ZKW GROUP GMBH, Wieselbu...

1. An optical structure for a lighting device (2) of a motor vehicle headlight, which lighting device (2) is configured to irradiate light in order to form a first unmodified light distribution (3) in a region in front of the lighting device (2), wherein the optical structure (1) of the lighting device (2) is paired with or is part of the lighting device (2) in such a way that at least part of an entire luminous flux of the lighting device (2) radiates through the optical structure (1), wherein the first unmodified light distribution (3) generated by the lighting device (2) is modified by the optical structure (1) to provide a predefinable modified second light distribution (4), the optical structure (1) comprising:
two, three, or more optical structural elements (5, 5?), wherein each structural element (5, 5?) has a light-scattering effect,

wherein a first proportion of the structural elements (5) is formed such that beams (6) generated by the lighting device (2) and impinging on the first proportion of the structural elements (5) pass through the first proportion of the structural elements (5), wherein each beam (6) is refracted by the relevant structural element (5) to form a first exit beam (7), a second exit beam (8), and at least one further exit beam (9a).

US Pat. No. 9,618,174

LED LIGHT-SOURCE MODULE FOR A VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. An LED light-source module (M, M1-M4) for an LED motor vehicle headlight (SW) for producing a dynamic light distribution, comprising:
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 then exits, at least partially, through a light exit surface (L1-L4) of the primary optical element (P1-P4),

wherein the light exit surfaces (L1-L4) of the primary optical elements (P1-P4) of an LED light-source module (M; M1, M2, M3, M4) are disposed next to one another with horizontal separation (A) that forms a void between each of the light exit surfaces
(L1-L4) of the primary optical elements (P1-P4) and

at least one substantially horizontally extending connecting web (VS 1, VS2) made of a light-permeable material connects the primary optical elements (P1-P4) in an upper and/or lower region of the light exit surfaces (L1-L4) thereof, but not within the void between each of the light exiting surfaces (L1-L4), to maintain the horizontal separation (A) and void between the light exit surfaces (L1-L4),

such that light coupled into the primary optical elements (P1-P4) can enter the light-permeable material of the at least one connecting web (VS 1, VS2) and then exit the light-permeable material through a light exit surface (LF1, LF2) of the at least one connecting web (VS 1, VS2).

US Pat. No. 9,671,080

LIGHTING DEVICE FOR A VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device for a motor vehicle headlight, the lighting device comprising:
at least one reflector;
at least one light source assigned to the at least one reflector, wherein light from the at least one light source is radiated
into a region in front of the lighting device by means of the at least one reflector in order to form a light distribution
or a part of a light distribution;

exactly one reflector support, and wherein the at least one light source is arranged on at least one light source support,
and wherein the at least one light source support is movably mounted on the reflector support and can be fixed in a defined
position relative to the reflector support,

wherein two or more reflectors are provided, wherein assigned to each reflector is exactly one light source support, each
of which has at least one light source, and wherein the two or more reflectors are fixedly fastened on the reflector support

wherein all the light source supportscan be moved and fixed relative to the reflector support, wherein the at least one reflector
support for the at least one light source support comprises at least one guide groove/at least one guide peg, at which the
light source support is movably guided and the at least one light source support comprises at least one corresponding guide
peg/at least one corresponding guide groove, wherein the at least one guide groove and the at least one guide peg is interrupted
by a fastening opening for fastening the light source support on the reflector support, wherein the fastening opening in the
at least one light source support is designed as a slot.

US Pat. No. 9,611,998

LIGHT MODULE FOR A VEHICLE HEADLAMP

ZKW GROUP GMBH, Wieselbu...

1. A light module for a motor vehicle or for a motor vehicle headlight, wherein the light module is configured to generate
a dimmed light distribution (LV) which has at least one horizontal LD line (HD) and an LD line (HD?) ascending diagonally
with respect thereto, the light module comprising:
at least two reflectors, wherein each reflector is associated with at least one LED light source, wherein at least one of
the reflectors is an LD front-field reflector type which is designed to project light of the at least one LED light source
associated therewith as a front-field light distribution (LV2) with an LD line (HD2) running substantially horizontally in the light pattern, and wherein at least one other reflector is an asymmetric reflector
type which is designed to project light of the at least one LED light source associated therewith as an asymmetric light distribution
(LV1), wherein the asymmetric light distribution (LV1) has an LD line (HD1) running substantially horizontally and an LD line (HD1?) ascending diagonally,

wherein the at least one LED light source associated with the least one reflector of the asymmetric reflector type and the
at least one LED light source associated with the at least one reflector of the LD front-field reflector type are arranged
in a manner fixed relative to one another, the reflectors being arranged in exactly one defined position with respect to the
LED light sources associated therewith,

wherein the reflectors of the asymmetric reflector type and the reflectors of the LD front-field reflector type are configured
in such a way that, with arrangement of the at least one reflector of the asymmetric reflector type in the defined position
thereof and with arrangement of the at least one reflector of the LD front-field reflector type in the defined position thereof,
the horizontal LD line of the overall light distribution (LV) is formed by the horizontal LD line (HD1) of the at least one reflector of the asymmetric reflector type and/or by the horizontal LD line (HD2) of the least one reflector of the LD front-field reflector type, wherein each system consisting of the reflector of a certain
type and the associated at least one LED light source is subject to a tolerance, such that horizontal LD lines in the light
patterns (LV1, LV2, LV3) generated by the reflectors of the same type and the associated at least one LED light source lie within a vertical tolerance
field (TF1, TF2, TF3),

wherein the tolerance field (TF1, TF2, TF3) of each reflector type in each case has an upper tolerance field boundary (TF1?, TF2?, TF3?) and a lower tolerance field boundary (TF1?, TF2?, TF3?), the at least one reflector of the LD front-field reflector type and the at least one reflector of the asymmetric reflector
type are configured in such a way that, in the defined positions thereof with respect to the associated LED light sources,
the tolerance fields (TF1, TF2) of the reflectors of the LD front-field reflector type and of the asymmetric reflector type overlap one another in the vertical
direction in such a way that the tolerance field lower boundary (TF1?) of the at least one asymmetric reflector lies below the tolerance field upper boundary (TF2?) of the at least one reflector of the LD front-field reflector type, and the tolerance field upper boundary (TF1?) of the at least one reflector of the asymmetric reflector type lies above the tolerance field upper boundary (TF2?) of the at least one reflector of the LD front-field reflector type, and the frequency distribution of the position of the
horizontal LD lines (HD1, HD2, HD3) within the tolerance fields (TF1, TF2, TF3) of the reflectors follow a distribution curve (K1, K2, K3), for example a Gaussian distribution curve, wherein the distribution curves (K1, K2, K3) each have a distribution maximum (K1m, K2m, K3m), and

wherein:
the distribution maximum (K1m) of the tolerance field (TF1) of the at least one reflector of the asymmetric reflector type lies above the tolerance field upper boundary (TF2?) of the tolerance field (TF2) of the at least one reflector of the LD front-field reflector type,

and/or
the distribution maximum (K2m) of the tolerance field (TF2) of the at least one reflector of the LD front-field reflector type lies below the tolerance field lower boundary (TF1?) of the tolerance field (TF1) of the at least one reflector of the asymmetric reflector type.

US Pat. No. 10,011,214

VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A vehicle headlight comprising:a laser light source (1) having at least one laser diode branch (Z) with at least one modulated laser diode (DL);
a light scanner (7);
a light conversion means (8), wherein the laser beam (2) of the at least one laser diode can be directed in a scanning manner by means of the light scanner onto the light conversion means (8) in order to generate a luminous image (11) thereon;
an imaging system (12) by means of which the luminous image is configured to be projected as light image (11?) onto a road (13);
a laser diode controller (3);
a processing unit (4) associated with the laser diode controller, the processing unit being configured to receive sensor signals (s1 . . . sn) and to deliver a modulation signal (sm) to the laser diode controller; and
a controlled power supply (15) for the laser diode controller,
wherein control of the laser light source is configured to be changed due to feedback of sensors (S1 . . . Sn), and
wherein the at least one 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 wherein the modulation signal (sm) is configured to be fed to the analog controller.

US Pat. No. 9,927,082

METHOD FOR PRODUCING A HEADLIGHT ASSEMBLY

ZKW GROUP GMBH, Wieselbu...

1. A method for producing a lighting unit of a vehicle headlight, the method comprising:providing a printed circuit board comprising groups of contact pads, each group comprising a plurality of contact pads for contacting LEDs,
populating one or more of the contact pads in each of the groups of contact pads with LEDs to produce a different desired light function for each of the groups of contact pads, and
providing, following the populating of the one or more contact pads in each of the groups of contact pads with LEDs and based on a position of the LEDs in each of the groups of contact pads, securing means for reflectors on the printed circuit board, wherein each securing means is specifically designed for a reflector that corresponds to the desired light function of the respective group of contact pads.

US Pat. No. 10,071,672

METHOD AND CIRCUIT ARRANGEMENT FOR FEEDING A SERIES CIRCUIT OF N LED UNITS

ZKW Group GmbH, Wieselbu...

1. A method for feeding n LED units (LED1 to LED5) of at least one lighting unit of a motor vehicle for illuminating a roadway by way of a controlled power source (5) from a voltage source (2) having a fluctuating operating voltage (UB), in which individual LED units of the n LED units are configured to be connected in series and/or in parallel and/or bypassed, depending on the level of the operating voltage, the method comprising:determining, based on drops in the operating voltage (UB) and a stored weighting with respect to a priority assigned to the individual LED units, the interconnection of the n LED units (LED1 to LED5),
wherein when the individual LED units illuminate individual areas of the roadway, the area located closest to a horizontal-vertical point is given the highest priority/weighting, and/or
wherein the weighting occurs based on supplied signals related to a driving situation or other signals of an on-board computer.

US Pat. No. 9,845,932

OPTICAL ELEMENT FOR A LASER VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. 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 is configured to be irradiated by the laser light source (3) and thus excited to emit visible light, the optical element (1) comprising:
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),

wherein the at least one reflection layer (9) 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 a mounted state,

wherein (i) the optical element (1) is formed as a solid body made of a substantially transparent, light guiding material, and the reflection layer (9) is arranged on a first side (5) of the optical element (1) facing away from the laser light source (3) in the mounted state, or (ii) the optical element (1) is formed as a hollow body made of a substantially transparent, light guiding material and is formed on a side of a rear
wall (22) facing away from the laser light source (3) in the mounted state, the reflection layer (9) being arranged either on an inner side of the rear wall (22) facing the luminous element (4) or on an outer side of the rear wall (22) facing away from the luminous element (4), and

wherein the first side (5) facing away from the laser light source (3) is formed as a free-form face having at least one focal point, and the receptacle for receiving the at least one luminous
element is arranged in a focal point of the reflection layer (9).

US Pat. No. 9,744,900

LIGHTING DEVICE FOR A MOTOR VEHICLE

ZKW GROUP GMBH, Wieselbu...

1. An illuminating device (1) for a motor vehicle, comprising:
two or more light modules (2) that are independently operable to generate a common light distribution;

a common supporting body (3), wherein the two or more light modules (2) are fastened directly to the common supporting body (3), wherein at least one of the two or more light modules (2) is pivotally mounted on the common supporting body (3) about at least one axis (H, V) with respect to the common supporting body (3);

an articulation (4) for mounting the at least one light module (2) of the two or more light modules on the common supporting body (3) in an articulated manner so as to be pivotable about the at least one axis (V, H);

at least one prestressing device (5) that places a prestress on and holds the at least one light module (2) of the two or more light modules on the common supporting body (3) pivotally about the articulation (4);

at least one adjusting device (6, 7) which acts on the at least one light module (2) of the two or more light modules, wherein an adjustment of the at least one adjusting device (6, 7) displaces the at least one light module (2) of the two or more light modules at a point of action of the at least one adjusting device (6, 7) substantially against a direction of the prestress or in a direction of the presstress when the at least one adjusting device
is released and therefore the at least one light module (2) of the two or more light modules is pivoted about a connection line (V, H) running through the articulation (4) and arranged normal to the connection line between the articulation (4) and the at least one adjusting device (6, 7);

wherein each of the two or more light modules (2) has a heat sink (24);

wherein the articulation (4) consists of a ball (4a) and an indentation or ball socket (4b) in which the ball (4a) is rotatably mounted, wherein the ball (4a) is attached to the heat sink (24), wherein the indentation or ball socket (4b) is disposed on the common supporting body (3);

wherein the at least one prestressing device holds together the common supporting body (3) and the heat sink (24), wherein the at least one prestressing device (5) consists of a screw (50) and a spring (52), wherein the screw (5) is mounted rotatably on the at least one light module (2) of the two or more light modules;

wherein the screw (50) has a mating thread that engages with a thread directly in the heat sink (24) or in an inner thread of a nut (2b) that is arranged fixedly in the heat sink (24);

wherein the screw (50) is passed through a bore (3a) in the common supporting body (3), wherein either:

the screw (50) is passed through a bushing (51) that is arranged in the bore (3a) in the common supporting body (3), or

the screw (50) is formed as a stepped screw,

and therefore the screw (50) is supported on the heat sink (24); and

wherein the spring (52) is fixed between the common supporting body (3) and a screw head (50a) of the screw (50) and is tensioned as the screw (50) is tightened, and therefore the ball (4a) is pressed into the indentation or socket (4b).

US Pat. No. 10,143,055

ILLUMINATING DEVICE FOR VEHICLES

ZKW Group GmbH, Wieselbu...

1. An illuminating device for vehicles comprising:at least one LED branch (Z; Z1, Z2) with at least one LED (DL1. . . .DLn; DL11. . . DL1n, DL21. . . DL2n), and with a controlled LED power supply (1, 5);
a driver (3) which provides dimming signals (SDA, SDD; SDA1, SDA2; SDD1, SDD2) for the LEDs;and
an electronic switch (Ts; TS1, Ts; TS1, TS2) associated with the at least one LED branch (Z; Z1, Z2), the electronic switch being supplied with a PWM dimming signal (SDD; SDD1, SDD2),
wherein the at least one LED branch is bridged for the purpose of branching off a partial current (IN, IN1, IN2) from a controlled auxiliary circuit (N; N1, N2) having a current controller with an analog controller (2, TN; 21, TN1, 22, TN2) which is supplied with an analog dimming signal (SDA; SDA1, SDA2).

US Pat. No. 9,951,919

MICROPROJECTION LIGHTING MODULE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A motor vehicle headlight formed as a lighting device or comprising at least one lighting device, the lighting device or the at least one lighting device comprising:a number of microprojection light modules (1) each comprising
at least one light source (2), and
at least one projection arrangement (3), which images 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 at least one projection arrangement (3) comprises
an entry optics (30) comprising a plurality of micro entry optics (31), and
an exit optics (40) comprising a plurality 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 substantially all light exiting from the micro entry optics (31) enters only into the micro exit optics (41) paired therewith, wherein light pre-shaped by the micro entry optics (31) is imaged by the micro exit optics (41) into the region in front of the motor vehicle as the at least one light distribution (LV1-LV5; GLV), and wherein at least one screen device (50) is arranged between the entry optics (30) and the exit optics (40).

US Pat. No. 9,908,457

LIGHTING SYSTEM FOR MOTOR VEHICLES

ZKW GROUP GMBH, Wieselbu...

1. A lighting device for a headlight module (12) of a motor vehicle, comprising:
a light exit opening (13) for the headlight module (12);

an optical waveguide element (14) in the form of a hollow cylinder surrounding at least a portion of a perimeter of the light exit opening (13) for the headlight module (12), wherein the optical waveguide element (14) includes a light entrance surface (16) on a rear-facing end and a light exit surface (15) on a forward-facing end;

an electric light-emitting layer (19) disposed on at least part of at least one inner or outer surface of the optical waveguide element (14); and

an optical waveguide (17) having a geometry that corresponds to the optical waveguide element (14), wherein the optical waveguide (17) includes at least one input point (5) for light from at least one light source (6),

wherein the optical waveguide (17) is bar-shaped and has, along at least part of its length, an arrangement of irregular structures (7) and a light exit surface (8) opposite the arrangement of irregular structures (7), the light entrance surface (16) of the optical waveguide element (14) being connected to the light exit surface (8) of the optical waveguide (17).

US Pat. No. 9,879,835

LIGHTING UNIT FOR A HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A vehicle headlight having a lighting unit comprising:
a plurality of light sources;
a light guide unit having a plurality of light guides, wherein each of said light guides has a light coupling face disposed
directly opposite a light decoupling face, wherein the light guide unit is one-piece, wherein each of said light guides is
assigned a separate light source from the plurality of light sources, which comprise LEDs, to provide a homogeneous light
distribution and areas of concentrated irradiation; and

a downstream projection lens having a focal plane,
wherein each of said light guides extends from the light coupling face to the light decoupling face substantially along an
axis of the downstream projection lens,

wherein the light decoupling faces of at least two adjacent light guides of the plurality of light guides are offset in relation
to one another with respect to the focal plane,

wherein the light decoupling faces are part of a first decoupling plane and at least one second light decoupling plane, wherein
individual light decoupling faces are adjacent to one another, wherein the first decoupling plane and the second light decoupling
plane are offset in relation to one another with respect to the focal plane,

wherein the light guides are arranged in at least two rows arranged one above the other, and
wherein the light decoupling faces of an uppermost row of the light guides are offset in relation to a primary irradiation
direction by a fixed distance with respect to the focal plane.

US Pat. No. 10,101,000

LAMP UNIT COMPRISING A SHIELD HAVING AT LEAST ONE LIGHT WINDOW

ZKW Group GmbH, Wieselbu...

1. A lighting unit for a motor vehicle headlight or other headlight, the lighting unit comprising: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 first light chamber (3a) of the two light chambers (3a, 3b) is arranged on an upper side of the bezel (4) and a second light chamber (3b) of the two light chambers (3a, 3b) is arranged on an underside of the bezel (4), wherein at least one light source (1a, 1b) of the at least two light sources (1a, 1b) is arranged within each of the two light chambers (3a, 3b), wherein 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 first light path (8a, 8b, 8c, 8d) extends outwardly from one of the two light chambers (3a, 3b), through the at least one light window (7a, 7b), and through the projection lens (5),
wherein the bezel (4) has at least two bezel portions (4a, 4b, 4c) delimiting the at least one light window (7a, 7b), wherein at least one bezel portion (4a, 4b, 4c) of the at least two bezel portions (4a, 4b, 4c) is disposed at an angle relative to a longitudinal axis and has a reflective surface configured to deflect at least one second light path (8a, 8b, 8c, 8d) in a direction of the optical axis (A) of the projection lens (5), wherein the at least one light window (7a, 7b) comprises two light windows (7a, 7b), wherein each of the two light windows (7a, 7b) is assigned a light path (8a, 8b, 8c, 8d), which extend outwardly through the two light windows (7a, 7b) and through the projection lens (5),
wherein the bezel (4) has a first, a second, and a third bezel portion (4a, 4b, 4c), wherein the second bezel portion (4b) is formed in a lamella-like manner and a first light window (7a) for a first light path (8a) is formed between the first and the second bezel portion (4a, 4b), and a second light window (7b) for a second light path (8b) is formed between the second and the third bezel portion (4b, 4c), wherein the two light chambers (3a, 3b) are arranged on the upper side and underside of the first bezel portion (4a).

US Pat. No. 9,958,125

LIGHT GUIDING ELEMENT FOR A LASER VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A laser vehicle headlight comprising 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 is configured to be irradiated by the laser light source (3) and thus excited to emit visible light, and the luminous element (4) is arranged in the light guiding element (1),wherein the light guiding element (1) has a light entrance surface (5) and a light exit surface (6), wherein an entrance cross-sectional area of the light entrance surface (5) is greater than an exit cross-sectional area of the light exit surface (6), and light radiated in through the light entrance surface (5) is concentrated in the direction of the light exit surface (6) via an inner surface (7) connecting the light entrance surface (5) and the light exit surface (6),
wherein the light exit surface (6) is covered at least in part by a light-impermeable delimitation element (15), which is attached to the light guiding element (1) at the light exit surface (6) after the luminous element (4) relative to a laser light radiation direction of the laser light source (3),
wherein the laser light source (3) is arranged in front of the luminous element (4) relative to a main radiation direction (200) of the laser vehicle headlight (2), such that the laser light radiation direction of the laser light source (3) is emitted to the luminous element (4) against the main radiation direction (200) of the laser vehicle headlight (2).

US Pat. No. 10,119,670

HEADLIGHT FOR VEHICLES

ZKW GROUP GMBH, Wieselbu...

1. A headlight for vehicles, comprising:at least one light source (1);
a focusing optical unit (6);
a micromirror array (7) which comprises micromirrors;
an imaging optical unit (9); and
a central computing unit (4) comprising a light source control (3) and an array control (12) which are operably associated with the at least one light source and with the micromirror array, wherein the central computing unit is configured to switch a position of the micromirrors between an OFF state and an ON state periodically with a predefined control frequency and a predefined duty cycle by the array control,
wherein the at least one light source is configured to form a light ray (2) which is directed at the micromirror array, such that a light beam structured and reflected thereby is projected onto a road (11) as a light pattern (10) via the imaging optical unit (9), and
wherein the computing unit (4) is configured:
to suppress the light ray (2) directed at the micromirror array (7) at predefinable times and synchronously with the predefined control frequency of the micromirror array by the light source control (3) and the array control (12),
in order to generate a masked region of the light pattern in a masking scenario in a region of the micromirror array, to shift the micromirrors in their periodic switching phase by 180° from the OFF state to the ON state, and
to suppress the focused light ray (2) directed at the micromirror array (7) at those times at which the micromirrors have been shifted to the ON state and synchronously with the predefined control frequency of the micromirror array.

US Pat. No. 10,018,319

METHOD FOR DETERMINING THE ZERO POSITION OF A MIRROR DEVICE OF A VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A headlamp for vehicles, comprising:at least one light module (10) having at least one light source (1) and at least one mirror device (6);
an actuating drive (14) associated with the at least one light module (10), the actuating drive being configured to pivot the light module (10) in order to set an angle position predefined for operation;
an absorber surface (12) having an opening, wherein light coming from the at least one light source (1) and impinging on the absorber surface (12) is absorbed at the latter, with the exception of light which passes through the opening (16) as a delimited light beam (17); and
a light-sensitive sensor (15) which is located behind the opening (16) in the line of sight from the mirror device (6) and which is configured to detect the light beam (17) passing through the opening for identifying a zero position of the angle position of the at least one light module (10).

US Pat. No. 9,933,253

METHOD FOR POSITIONING A LIGHT-SHAPING BODY

ZKW GROUP GMBH, Wieselbu...

1. A method for positioning a reflector or other light-shaping member relative to at least one light source, the method comprising:a) fitting the at least one light source on a carrier plate;
b) measuring the position of the at least one light source on the carrier plate;
c) fitting at least one reference position on the carrier plate, wherein the position of the at least one reference position is dependent on the position of the at least one light source and the at least one reference position comprises a slot, a hole, a reference edge, or a combination thereof;
d) aligning the reflector or other light-shaping member with the at least one reference position on the carrier plate; and
e) securing the reflector or other light-shaping member on the carrier plate or in relation to the carrier plate,
wherein the reflector or other light-shaping member is secured in relation to the carrier plate by at least one securing element that secures the reflector or other light-shaping member to a heat sink to which the carrier plate is secured, and
wherein in steps b) and c):
the geometric centre of the at least one light source is measured and the at least one reference position is fitted on the carrier plate in relation to the geometric centre, or
the definitive lightest region or the lightest point of the at least one light source is measured and the at least one reference position is fitted on the carrier plate in relation to the definitive lightest region or the lightest point.

US Pat. No. 10,101,001

HEADLIGHTS FOR MOTOR VEHICLES

ZKW Group GmbH, Wieselbu...

1. A headlight for vehicles comprising:at least one optics (3, 9; 11);
a first lighting unit (1) comprising a plurality of individual light sources (13), which are arranged in at least two rows and a plurality of columns;
a second laser lighting unit (4) comprising at least one laser light source (5);
at least one beam deflection unit (7); and
at least one light conversion unit (8),
wherein the at least one optics (3, 9; 11) is configured to combine two light effects generated by the first lighting unit and the at least one light conversion unit of the second laser lighting unit to form an overall light distribution on a carriageway,
wherein the at least one beam deflection unit (7) is formed as micromirrors pivotable about at least one axis, and
wherein the plurality of individual light sources (13) are configured to be controlled to generate a dynamically variable light distribution on the carriageway.

US Pat. No. 10,018,317

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLAMP

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (1) for 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 of the light-guiding elements (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 and 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, wherein the structures (25) are formed in the region of the lower light-guiding face (24) which borders the light exit face (23) and in which the light is reflected, and
wherein the structures are rib-like, wherein the ribs (25) are oriented transversely to an optical axis (16) of the lighting device and have a width of 0.2 to 0.4 mm and a height of 0.015 to 0.03 mm.

US Pat. No. 9,915,405

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (500) for a motor vehicle headlight, the lighting device comprising:
at least one optical body (1);

at least one mounting device (100) for the at least one optical body (1); and

a projection lens (501) arranged downstream of the at least one optical body (1) in the light exit direction,

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?) are formed from a light-impermeable material and have boundary edges (111a?, 112a?, 113a?, 114a?, 115a?) on the light exit side,

wherein the light exit-side boundary edges (111a?, 112a?, 113a?, 114a?, 115a?) of the delimiting walls (111?, 112?, 113?, 114?, 115?) lie in a common plane (E1) and a focal point (F1) of the projection lens (501) lies in this common plane (E1), such that the boundary edges (111a?, 112a?, 113a?, 114a?, 115a?) are imaged, in a light distribution produced by means of the at least one optical body (1), as light-dark edges between the partial light distributions produced by the individual ancillary optics (11-15), and

wherein the ancillary optics (11-15) are arranged and/or configured in such a way that the light-decoupling faces (11b-15b) of the ancillary optics (11-15) protrude in the light exit direction beyond the boundary edges (111a?, 112a?, 113a?, 114a?, 115a?) of the delimiting walls (111?, 112?, 113?, 114?, 115?).

US Pat. No. 10,139,068

LIGHT SOURCE ARRANGEMENT IN A PIXEL-LIGHT LIGHT MODULE

ZKW Group GmbH, Wieselbu...

1. A lighting device (20, 30) for a motor-vehicle headlight, comprising:a plurality of light sources (200, 300), which are arranged adjacent to each other in rows (201, 202, 203, 301, 302, 303) and which form a lighting field (209, 309)
a light-guiding device (204, 304) having a plurality of light-guiding elements (201a, 202a, 203a, 301a, 302a, 303a), wherein each light-guiding element (201a, 202a, 203a, 301a, 302a, 303a) is associated with one of the light sources (200, 300), wherein each light-guiding element (201a, 202a, 203a, 301a, 302a, 303a) has a light incoupling surface (201b, 202b, 203b, 301b, 302b, 303b) for coupling in light emitted by the particular light source and a light outlet surface, wherein the light-guiding elements (201a, 202a, 203a, 301a, 302a, 303a) are arranged in at least two linear rows (211, 212, 213, 311, 312, 313) arranged one over the other, and wherein the light-guiding elements (203a, 303a) of the lowest row (213, 313) are designed as high-beam light-guiding elements (201a, 301a) and form a high-beam row (213, 313),
wherein the vertical distance between the light sources (200, 300) of the high-beam row (213, 313) and the light sources (200, 300) of the row (212, 312) arranged adjacent in the upward direction is smaller in at least one lateral edge region (208, 308) of the lighting field (209, 309) than in a central region (207, 307) of the lighting field (209, 309).

US Pat. No. 10,173,578

SECURING DEVICE FOR AN OPTICAL BODY FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device in the form of a light module for a motor vehicle headlight or in the form of a motor vehicle headlight, the lighting device comprising:at least one optical body (1), which has a number of adjacently arranged ancillary optical systems (11, 12, 13, 14, 15), wherein each ancillary optical system (11-15) is formed from a light-guiding material and each ancillary optical system (11-15) has a light coupling-in face (11a-15a) and a light decoupling face (11b-15b), wherein the ancillary optical systems (11-15) are mechanically interconnected in the region of the light decoupling faces (11b-15b) by at least one connecting web (21, 22) extending transversely to the ancillary optical systems (11-15); and
a mounting device (100) for the at least one optical body (1) which comprises
a main body (101), which is configured to be connected to a support (200) for one or more light sources (2) for feeding light into the at least one optical body (1), wherein the main body (101) has (i) at least one receptacle (111, 112, 113, 114, 115) for the ancillary optical systems (11-15), and (ii) at least one stop region (121, 122), with which the at least one optical body (1) is configured to be brought into abutment via a rear face (21?, 22?) of the at least one connecting web (21, 22) when the ancillary optical systems (11-15) are inserted into the at least one receptacle (111, 112, 113, 114, 115), wherein the at least one connecting web (21, 22) is optically ineffective, at least in some regions,
a retaining body (102), which, once the at least one optical body (1) has been introduced into the main body (101), is configured to be applied to the main body (101) in the direction of introduction of the at least one optical body (1), and
a fastening device (101a, 102a) by means of which the retaining body (102) is configured to be fixed to the main body (101),
wherein:
the retaining body (102) has at least one opening (102?), such that light exits unhindered from the light decoupling faces (11b-15b) of the ancillary optical systems (11-15),
the retaining body (102) has first clamping elements (102b) which, when the retaining body (102) is fastened to the main body (101), come to rest against the at least one connecting web (21, 22) on a front face thereof (21?, 22?),
one or more of the ancillary optical systems (11-15) comprise webs (11b?, 12b?, 13b?, 14b?, 15b?), which extend the light decoupling faces (11b-15b) of the ancillary optical systems (11-15), wherein each web (11b?, 12b?, 13b?, 14b?, 15b?) is arranged in a region of the light decoupling face (11b, 12b, 13b, 14b, 15b) opposite and spaced apart from the at least one connecting web (21, 22) such that the light decoupling face (11b, 12b, 13b, 14b, 15b) is disposed between the webs (11b?, 12b?, 13b?, 14b?, 15b?) and the at least one connecting web (21, 22),
the retaining body (102) has second clamping elements (102c) which, when the retaining body (102) is fastened to the main body (101), come to rest against the webs (11b?, 12b?, 13b?, 14b?, 15b?) on alternating sides of the at least one optical body (1) but do not contact the at least one connecting web (21, 22), and
the first and second clamping elements (102b, 102c) press the at least one optical body (1) against the at least one stop region (121, 122) of the main body (101).

US Pat. No. 10,139,066

PRINTED CIRCUIT BOARD HAVING A PLURALITY OF ELECTRONIC COMPONENTS ARRANGED ON THE PRINTED CIRCUIT BOARD IN AT LEAST ONE GROUP

ZKW Group GmbH, Wieselbu...

1. A printed circuit board (1), comprising:a plurality of electronic components (2, 2?, 2?, 2??, 2??) arranged on the printed circuit board in at least one group (G1, G2, G3), each of the plurality of 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 first and second electrical 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 of the plurality of electronic components (2, 2?, 2?, 2??, 2??) being connected in series to form a string, the string having a wave-shaped course, the plurality of electronic components (2, 2?, 2?, 2??, 2??) of the string being arranged on the printed circuit board (1) in 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, successive electronic components of the plurality of electronic components (2, 2?, 2?, 2??, 2??) within a column forming a series-connected vertical component pair by a common vertical printed circuit board contact surface (7) associated with the series-connected vertical component pair, and
the plurality of electronic components (2, 2??) of every even-numbered column (S2, S4) of the top row (Z1) forming a horizontal component pair with an electronic component (2) of the plurality of electronic components of a following column (S3, S5) of the top row (Z1), and the plurality of electronic components (2?) of every odd-numbered column (S1, S3, S5) of the bottom row (Z2, Z3) forming a horizontal component pair with an electronic component (2??) of the plurality of electronic components of the bottom row (Z2, Z3) of a following column (S2, S4, S6), or
the plurality of electronic components (2) of every odd-numbered column (S1, S3, S5) of the top row (Z1) forming a horizontal component pair with an electronic component (2) of the plurality of electronic components of a following column (S2, S4, S6) of the top row, and the plurality of electronic components (2) of every even-numbered column (S2, S4) of the bottom row (Z2, Z3) forming a horizontal component pair with an electronic component (2) of the plurality of electronic components of the bottom row (Z2, Z3) of a following column (S3, S5),
every horizontal component pair being connected by a common horizontal printed circuit board contact surface (8) associated with the horizontal component pair,
wherein every common printed circuit board contact surface (6, 7, 8) is associated with a conductor track (5), the common printed circuit board contact surfaces (6, 7, 8) being wider than the conductor track (5) and at least 1 mm wide, and the common printed circuit board contact surfaces (6, 7, 8) having an area of at least 2 mm2.

US Pat. No. 10,047,924

LIGHT SYSTEM FOR A MOTOR VEHICLE

ZKW GROUP GMBH, Wieselbu...

1. A motor vehicle headlight with a 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), each of the at least two light sources (12a through 12d) being set up to couple light into a corresponding one of the at least two optical waveguides (11a through 11d), the at least two 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 at least one downstream transparent emission element (10),
wherein the light coupling section (19) of the at least one downstream transparent emission element (10) is step-shaped, the at least one downstream transparent emission element (10) being formed as a single piece.

US Pat. No. 10,131,268

LASER UNIT FOR A VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A laser unit for a vehicle headlight, the laser unit comprising:a laser diode; and
adjustable optics associated with the laser diode, wherein the adjustable optics comprise optical elements comprising at least one collimator, and wherein at least one of the optical elements selected from a collimator (13, 22) and a deflection mirror (20) is mounted in a retaining element (14) so that it can pivot about at least one spatial axis,
wherein the retaining element (14) has a receptacle part (16) for the collimator (13, 22) or deflection mirror (20) and at least one lever (15, 15?), the at least one lever being configured to act on the receptacle part (16) to pivot the retaining element (14) about a respective spatial axis,
wherein an elastically deformable spring element (17) is arranged between the at least one lever (15, 15?) and a mounting element (3) for the retaining element (14), and the at least one lever (15, 15?) is configured to be pressed against the mounting element (3) by an adjustment screw (12).

US Pat. No. 10,139,070

LIGHT MODULE FOR A VEHICLE HEADLAMP

ZKW GROUP GMBH, Wieselbu...

1. A light module for a motor vehicle headlight or other headlight, wherein the light module comprises:one or more light sources, which is/are arranged on a light source carrier;
at least one auxiliary optical unit which is configured to be fastened on the light source carrier by an auxiliary optical unit carrier such that the one or more light sources, the light source carrier, the at least one auxiliary optical unit, and the auxiliary optical unit carrier form a light source assembly;
a secondary optical unit, which is arranged behind the at least one auxiliary optical unit, in the light exit direction, and is held by a secondary optical unit carrier;
an assembly carrier to which the light source assembly is configured to be fastened;
at least one clamping screw with which the light source assembly is configured to be detachably clamped between the secondary optical unit carrier and the assembly carrier, wherein, in a detached state of the at least one clamping screw, in which the at least one clamping screw is detached only so far that the secondary optical unit carrier and the assembly carrier are still connected to one another, the light source assembly is displaceable substantially parallel to the assembly carrier, and wherein the at least one clamping screw directly connects the assembly carrier and the secondary optical unit carrier to one another such that the at least one clamping screw does not extend through the light source assembly; and
at least one locking screw with which the light source assembly is configured to be fixed relative to the assembly carrier, wherein the at least one locking screw fasten the light source assembly on the assembly carrier and the secondary optical unit carrier, and wherein the at least one locking screw extends through a back side of the assembly carrier, through an assigned locking-screw opening in the assembly carrier, and through an assembly opening of the light source assembly, and is configured to be screwed into a corresponding locking-screw thread in the secondary optical unit carrier.

US Pat. No. 10,139,072

LIGHTING UNIT FOR A VEHICLE HEADLAMP

ZKW Group GmbH, Wieselbu...

1. A lighting unit (1) for a headlight (100) for a motor vehicle, wherein the lighting unit comprises:a first light source group (10) comprising at least one light source (11, 12, 13, 14),
a second light source group (20) comprising at least one light source (21),
wherein the first light source group (10) is configured to generate a first light function,
wherein the second light source group (20) is configured to generate a second light function, which is different from the first light function,
wherein each light source (11, 12, 13, 14) of the first light source group (10) couples light into a first type of optics element (111, 112, 113, 114) associated with the respective light source (11, 12, 13, 14),
wherein each light source (21) of the second light source group (20) couples light into a second type of optics element (121) associated with the respective light source (21),
wherein the first type of optics element (111, 112, 113, 114) produces a different optical illumination than the second type of optics element (121),
wherein a secondary optics comprising a diffusing optics (50) is arranged downstream of the first and second types of optics elements (111, 112, 113, 114, 121), through which secondary optics (50) the light exiting from the first and second types of optics elements (111, 112, 113, 114, 121) passes and is irradiated into a region in front of the lighting unit (1),
wherein the first and second light source groups (10, 20) are separately controllable,
wherein the first light source group (10) is configured to generate a flashing light function, and the second light source group (20) is configured to generate a daytime running light function, a position light function, or a combined daytime running light-position light function,
wherein at least one of the first type of optics element (111, 112, 113, 114) of the first light source group (10), in terms of a horizontal and/or vertical irradiation behaviour in a region of a casing of the at least one of the first type of optics element, is formed to produce a wide and crisscross optical illumination in a vertical direction or a horizontal direction,
wherein at least one of the second type of optics element (121) of the second light source group (20), in terms of a horizontal irradiation behaviour in a region of a casing of the at least one of the second type of optics element, is formed to produce a crisscross optical illumination in the horizontal direction,
wherein the first and second types of optics elements (111, 112, 113, 114, 121) associated with the light sources (11, 12, 13, 14, 21) are formed in a common optical component (200),
wherein adjacent optics elements of the first and second types of optics elements (111, 112, 113, 114, 121) transition into one another in transition regions (201, 202) to provide a light mixing area for the adjacent optics elements, and
wherein light from the optics elements of the first and second types of optics elements (111, 112, 113, 114, 121) enters adjacent optics elements of the first and second types of optics elements (111, 112, 113, 114, 121) through the transition regions and exits from a light exit area of the adjacent optics elements.

US Pat. No. 10,132,462

OPTICAL STRUCTURE HAVING A MICROSTRUCTURE WITH A QUADRATIC DIFFUSION FUNCTION

ZKW GROUP GMBH, Wieselbu...

1. An optical structure (100) for a motor vehicle headlight lighting device (1) that is configured to emit light forming a specified light pattern (LP1), wherein the optical structure (100) of the lighting device (1) is associated with the lighting device (1), or is part of it in such a way, that the optical structure (100) is transilluminated by essentially the entire luminous flux of the lighting device (1), and wherein:the optical structure (100) consists of a number of optical structural elements (110) that have a light-scattering effect and that are designed in such a way that the unmodified light pattern (LP1) produced by the lighting device (1) is modified by the optical structure (100) into a specifiable modified light pattern (LP2),
the optical structural elements (110) have a quadrilateral base area (202), meaning that the area (202) between the vertices (201) of a quadrilateral grid (200) is completely covered by the base area of exactly one optical structural element (110),
the base area of each optical structural element (110) is formed by a rectangle or a square, and
the structural elements (110) have, in their vertex areas, vertex area elevations (110b), each of which is formed by a lateral face of a pyramidal elevation (111b), and have, in their centers, a central elevation (110a).

US Pat. No. 10,206,319

SUPPORT TABLE FOR INSPECTING AND/OR ORIENTING AN ELECTRONIC COMPONENT

ZKW Group GMBH, Wieselbu...

1. A support table (1) for inspecting and/or orienting electronic components (B) prior to assembly of a printed circuit board with the electronic components, wherein the electronic components are initially held at a nozzle end (7) by negative pressure and are thereafter set down on the support table following release of the negative pressure and the exiting of air by the nozzle end, the support table (1) comprising:a transparent support plate (2);
an auxiliary plate (3) disposed on the transparent support plate, wherein the auxiliary plate comprises at least one recess (4) defining a delimiting edging (5, 6p, 6z, 12) configured to surround the electronic components and prevent a displacement of the electronic components (B) deposited on the transparent support plate by the release of the negative pressure and the exiting of air by the nozzle end;
a lower optical inspection device (6u) arranged below the support table; and
an upper optical inspection device (6o) arranged above the support table.

US Pat. No. 10,208,912

HEADLIGHT FOR A VEHICLE

ZKW Group GmbH, Wieselbu...

1. A headlamp (1) for a vehicle, comprising:at least one light source (2);
a primary optical system (3) for generating a lighting image; and
an optical imaging system (4) configured to project the lighting image onto a roadway as a light image,
wherein the primary optical system (3) has a plurality of light guiding elements (5) and a support layer (6), wherein the light guiding elements (5) are arranged on a rear face (6r) of the support layer (6), and the lighting image can be generated on a front face (6v) of the support layer (6),
wherein the light guiding elements (5) are arranged adjacently to one another or in an overlapping manner in a row in an axis direction (y) and form at least one line (7), wherein each light guiding element (5) has a light inlet surface (5e) for coupling in light from at least one light source (2) and a light outlet surface (5a) for coupling out light, and
wherein the totality of the light guiding elements (5) of the at least one line (7) have a common border (8) which is constantly curved on at least one face oriented substantially along the axis direction (y) and together with the support layer (6) forms a section curve with a curved curve course (9, 10).

US Pat. No. 10,207,630

METHOD FOR CONTROLLING A LIGHT SCANNER IN A HEADLAMP FOR VEHICLES

ZKW GROUP GMBH, Wieselbu...

1. A method for controlling a light scanner (7) in a headlight for vehicles, the method comprising:directing a laser beam of at least one modulated laser light source (1) 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 a roadway; and
pivoting a micromirror (10) of the light scanner according to defined characteristic control curves in at least one coordinate direction,wherein:the desired light image (11) is divided into a pixel set having n rows and/or m columns;
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.