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. 9,841,158

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. 9,611,994

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. 9,500,335

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. 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. 9,500,332

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. 9,527,432

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. 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. 10,139,066

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. 10,139,068

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. 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. 9,618,174

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. 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. 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. 9,563,010

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. 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. 9,816,678

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. 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. 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. 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. 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. 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.

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. 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. 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. 9,664,847

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. 10,101,001

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. 10,047,924

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. 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. 9,927,082

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. 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. 9,915,405

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. 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. 9,777,901

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. 9,744,900

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. 10,119,670

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. 10,131,268

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. 10,101,000

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. 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. 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. 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. 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. 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. 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. 9,981,593

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. 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. 10,281,717

MEASURING THE VIBRATION AMPLITUDE OF A SCANNER MIRROR

ZKW Group GmbH, Wieselbu...

1. A method for measuring the oscillation amplitude of a scanner mirror (13) in a projection system (10) of a motor vehicle headlight, in which a laser beam (22) generated by a laser source (21) is directed onto the scanner mirror (13) and reflected by the latter and the laser beam (22?) thus reflected becomes incident on a detector device (23), the method comprising:using a detector device (23) that has a plurality of photodetector elements (Q1, Q2, Q3, Q4) arranged adjacent to one another about its center, wherein due to oscillation movement of the scanner mirror (13) the laser beam (22?) describes a curve (P) running about a center point via the detector elements, wherein, with respect to at least one specific detector region (RX, RY), each detector region is realized by one of the photodetector elements or a group of immediately adjacent photodetector elements of the plurality of photodetector elements and corresponding either to the negative or the positive range of a coordinate, and the center point of the curve (P) is offset by an offset value (xoffset, yoffset) from the center of the detector device (23) along the coordinate associated with the specific detector region (RX, RY);
determining the time period (tON,X, tON,Y) in which the curve passes through the specific detector region (RX, RY); and
determining a value of the oscillation amplitude (xp, yp) using the ratio of the determined time period (tON,X, tON,Y) to the total duration (T) of an oscillation period and the offset value (xoffset, yoffset).

US Pat. No. 10,274,154

LASER UNIT HAVING A COLLIMATOR ADJUSTING DEVICE

ZKW Group GmbH, Wieselbu...

1. A laser unit (11) for a vehicle headlight comprising:a laser light source (12),
a support housing (27) in which the laser light source is supported, and
adjustable collimating optics (13) for laser light emitted by the laser light source, the adjustable collimating optics comprising at least one optical component (14) that is arranged at a distance, in a longitudinal direction (x), from the laser light source,
wherein an adjusting device (20) is associated with the adjustable collimating optics (13), said adjusting device having a carrier (24) adjustable relative to the laser light source (12) in the longitudinal direction (x), the at least one optical component (14) within the carrier (24) being pivotable about at least one spatial axis (y, z) running transverse to the longitudinal direction,
wherein the carrier (24) is adjustable in the longitudinal direction in the support housing (27) and the laser light source (12) is fixed in position in the support housing (27).

US Pat. No. 10,309,605

ILLUMINATION APPARATUS FOR A MOTOR VEHICLE

ZKW Group GmbH, Wieselbu...

1. An illumination apparatus (100) for a motor vehicle, the illumination apparatus comprising:at least one laser light source (10);
a wavelength conversion element (20) configured to receive excitation light from the at least one laser light source (10); and
a reflector (30) having at least one reflector body (30?), wherein the at least one reflector body (30?) comprises a reflecting surface (31), wherein the reflecting surface (31) is configured to reflect visible light emitted by the wavelength conversion element (20), and wherein the reflecting surface (31) is provided on a reflector surface (30a) of the at least one reflector body (30?),
wherein the reflector surface (30a) has at least one region (30a?, 30a?) that is free of the reflecting surface (31), and wherein the at least one region (30a?, 30a?) that is free of the reflecting surface (31) is configured to absorb at least some of the excitation light incident in the at least one region (30a?, 30a?),
wherein the at least one region (30a?, 30a?) is non-temperature resistant above a limit temperature, and
wherein above the certain limit temperature the at least one absorbing region is destroyed and the excitation light travels into a rear portion of the illumination apparatus.

US Pat. No. 10,274,151

LIGHT GUIDING ELEMENT FOR AN ILLUMINATION UNIT

ZKW Group GmbH, Wieselbu...

1. A lighting unit, in particular a motor vehicle headlight, comprising:at least one light-guiding element (1) for the lighting unit; and
at least one light-coupling-in element formed as a light rod (4),
wherein:
the light-guiding element (1) comprises a light-guiding body (5) having at least one light entry face (2) and at least one light exit face (3),
the at least one light entry face (2) comprises a plurality of entry sub-faces (2a) offset from one another at least in the light propagation direction (?x),
the entry sub-faces (2a) are oriented substantially normal to the light propagation direction (?x), wherein adjacent entry sub-faces (2a) border one another,
the entry sub-faces (2a) bordering one another are offset from one another by means of wall faces (6) oriented parallel to the light propagation direction (?x), and
the light rod (4) is arranged in front of the light entry sub-face (2).

US Pat. No. 10,378,719

LIGHTING DEVICE HAVING LIGHT-GUIDING SHIELD

ZKW Group GmbH, Wieselbu...

1. A lighting device (1) for a motor vehicle headlight, the lighting device comprising:a light module (2) with at least one light emission source (10);
a primary lens (100) and a secondary lens (300), wherein said primary lens (100) comprises at least one light-conducting ancillary lens (102) which is designed to direct a light beam (50) captured by the at least one light emission source (10) through at least one light-emitting surface (103) of the at least one light-conducting ancillary lens and on to the secondary lens (300) arranged downstream along an optical longitudinal axis (150), and wherein the secondary lens (300) is designed to image a light distribution, which forms on the at least one light-emitting surface (103) of the at least one light-conducting ancillary lens, in an area in front of the lighting device (1); and
at least one light-guiding shield (200) for shading a light color fringe (250) arranged between the primary lens (100) and the secondary lens (300), wherein the at least one light-guiding shield (200, 201, 202) is configured to form an optically active first aperture edge (221) for a lower light color fringe (252) and an optically active second aperture edge (222) for an upper light color fringe (251), and the optically active first and second aperture edges (220, 221, 222) form a continuous, smoothly continuing aperture edge that is arranged in such a manner in the light beam (50) that blue defining light beams (51) of the light color fringe (250, 251, 252) are configured to be selectively shaded.

US Pat. No. 10,383,185

MOTOR VEHICLE ILLUMINATION DEVICE

ZKW Group GmbH, Wieselbu...

1. A motor vehicle lighting device, comprising:at least one branch (1) of semiconductor light sources comprising two or more light source units (LED1 to LED4) connected in series; and
a MOSFET switch (2-1 to 2-4) bridging one of the two or more light source units, the at least one branch being fed by an output voltage (UA) of a DC/DC converter (3) with respect to ground, an activation circuit (4-1 to 4-4) assigned to the MOSFET switch for activating the MOSFET switch,wherein:the MOSFET switch (2-1 to 2-4) is a p-channel MOSFET,
a rectifier circuit (5) is assigned to the DC/DC converter (3), an input of the rectifier circuit being connected to a pole of a storage inductor (L2) of the DC/DC converter, at which negative voltage pulses occur with respect to ground, and
the rectifier circuit (5) is configured to rectify the negative voltage pulses and to provide a resulting negative DC voltage (Us) of the activation circuit (4-1 to 4-4) for switching the MOSFET switch.

US Pat. No. 10,247,379

VEHICLE HEADLAMP

ZKW Group GmbH, Wieselbu...

1. A vehicle headlight comprising:a light module (1) with a light source support (3);
at least one light source (17); and
a reflector part (5) associated with the at least one light source (17),
wherein the reflector part (5) comprises reference elements (24) on the reflector part (5) configured to be brought into an operative connection with corresponding reference elements (25) on the light source support (3), and
wherein the light source support (3) is configured to be pushed into a guide part (2) with guide rails (6) for the reflector part (5), and the reflector part (5) has a catch (22) associated with the light source support (3) to displace the reflector part (5) together with the light source support (3) along the guide rails (6), which are designed to bring the reference elements (24) on the reflector part (5) into an operative connection with the corresponding reference elements (25) on the light source support (3) when the light source support (3) is pushed in.

US Pat. No. 10,344,931

METHOD AND HEADLIGHT FOR GENERATING A LIGHT DISTRIBUTION ON A ROADWAY

ZKW Group GmbH, Wieselbu...

1. A method for generating a light distribution on a roadway (13) with a motor vehicle headlight, in which at least one laser beam (2) of which an intensity is configured to be modulated is directed with at least one actuated beam deflection element (7) onto a light conversion element (8) in a manner scanning in at least one coordinate direction so as to generate at the light conversion element a light image (11) which has light distributions and which is projected with a projection optics (12) onto the roadway, the method comprising:changing, in order to correct an illumination falloff, the intensity of the at least one laser beam (2) according to a specified function for increasing the intensity in a direction of edges of the light image (11) generated on the light conversion element (8).

US Pat. No. 10,344,932

METHOD FOR GENERATING A LIGHT DISTRIBUTION ON A ROAD USING A MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A method for producing a light distribution on a road (8) using a motor vehicle headlight, the method comprising:directing at least one laser beam (2) that is configured to be modulated in intensity in at least one coordinate direction in a scanning manner to a light conversion means (5) using at least one controlled beam deflection means (3) in order to generate an illuminated image (6) on same, said illuminated image being projected as a light image (6?) onto the road using projection optics (7), and
splitting the illuminated image generated from the laser beam (2) using the beam deflection means (3) into sub-images by deflecting the laser beam (2?) by an image convolution means (4),
wherein the sub-images are projected in a mirror-imaged manner in relation to a division line onto the light conversion means (5) to be combined and form the illuminated image (6) in its entirety,
wherein:
the laser beam (2) is deflected by the beam deflection means (3) in two directions which are essentially orthogonal to one another,
the laser beam (2) is optically/electrically blocked out in an area of a splitting/folding center (4z),
the image convolution means (4) is adjusted in at least one coordinate direction by an actuator (12) in order to shift the illuminated image (6) or the light image (6?), or
a distance of the sub-images from one another is determined by changing a distance of the image convolution means (4) from the light conversion means (5).

US Pat. No. 10,288,242

LASER LIGHTING DEVICE FOR VEHICLE HEADLAMPS HAVING A PLURALITY OF LASER LIGHT SOURCES, A CORESPONDING PLURALITY OF LIGHT GUIDES EACH HAVING A DIFFERENT SIZED CROSS SECTION, OPTICAL SCANNER AND A LIGHT CONVERSION MEANS

ZKW Group GmbH, Wieselbu...

1. A laser lighting device for vehicles comprising:two or more laser light sources (11 to 18), wherein each laser light source is configured to generate a primary laser light beam (11p to 18p); and
a light guide (91 to 94) associated with each laser light source, wherein each primary laser light beam is coupled into a first end (91e to 94e) of the light guide and decoupled from a second end (91z to 94z) of the light guide as a secondary laser light beam (11s to 14s), and each secondary laser light beam is directed onto a light conversion means (60) so as to generate a predefined luminous image thereon, which via a projection system (PS) associated with the light conversion means is projected as a light image onto the roadway,wherein:each primary laser light beam has a first intensity profile (71p, 72p);
each secondary laser light beam has a second intensity profile (73a, 73b) different from the first intensity profile; and
each secondary laser light beam is directed via a microscanner (51, 52) onto the light conversion means;
the second ends (91z to 94z) are disposed abutting one another in a row; and
the light guides have a differently sized cross-section.

US Pat. No. 10,638,637

COMPONENT COOLING DEVICE

ZKW GROUP GMBH, Wieselbu...

1. A component cooling device (101, 201, 301, 401, 501) comprising:a circuit board (102, 202, 302, 402, 502), the circuit board (102, 202, 302, 402, 502) having an upper side (103, 203, 303, 403, 503) and a lower side (104, 204, 304, 404, 504) facing away from the upper side (103, 203, 303, 403, 503); and
at least one electronic component (6, 106, 206, 306, 406, 506) and at least one hollow circuit board opening (107, 207, 307a, 307b, 407, 507) for a gaseous cooling medium for cooling the at least one electronic component,
wherein on the lower side (104, 204, 304, 404, 504) of the circuit board (102, 202, 302, 402, 502) is provided a guide (10, 110, 210, 310, 410, 510) which forms a flow channel (109, 209, 309, 409, 509) for a convection flow of the gaseous cooling medium,
wherein the guide has at least one inlet (13, 113, 213, 313, 413, 513) and at least one outlet which is formed by the at least one hollow circuit board opening (107, 207, 307a, 307b, 407, 507), and
wherein the at least one inlet (13, 113, 213, 313, 413, 513) has a cross-section which is decreasing to a smaller cross-section of the at least one outlet.

US Pat. No. 10,378,718

OPTICAL STRUCTURE FOR A LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. An optical structure (100) for a lighting device (1) of a motor vehicle headlight, wherein light radiated from the lighting device (1) forms a predefined light distribution (LV1), the optical structure comprising:at least one optics element (5, 6); and
a plurality of optical structural elements (110) which are distributed over at least one defined area (111) of the at least one optics element and which are configured to provide a light-scattering effect,
wherein the at least one defined area (111) is divided into a virtual, hexagonal grid structure (200) and the plurality of optical structural elements are arranged at grid points (201), or between the grid points (201), of the virtual, hexagonal grid structure (200),
wherein the predefined light distribution (LV1) comprises a segmented light distribution formed from individual light distributions (LS1), wherein the individual light distributions (LS1) are arranged inn rows and m columns, wherein n>1, m?1 or n?1, m>1,
wherein the optical structure (100) of the lighting device (1) is associated with the lighting device (1) or is part of the lighting device (1) such that substantially all light from the lighting device (1) passes through the optical structure (100), and the unmodified light distribution produced by the lighting device (1) is modified by the optical structure (100) into a predefinable, modified light distribution (LV2),
wherein the predefinable, modified light distribution (LV2) is formed by convolution of the unmodified light distribution with a scattering function (PSF),
wherein adjacent optical structural elements (110) of the plurality of optical structural elements (i) are arranged in contact with one another, or (ii) are isolated from one another and do not contact one another,
wherein the optical structural elements (110) are configured to provide that at least some of the light of the lighting device (1) is deflected into boundary regions, in each of which two individual light distributions are arranged adjacently to one another, and
wherein the plurality of optical structural elements is arranged on at least one boundary surface of the at least one optics element, and the at least one optics element is a diffusing plate or covering plate (6) of the lighting device (1).

US Pat. No. 10,391,927

VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A vehicle headlight (1, 11) comprising:at least one light source (2, 12);
at least one projection optical system (4, 14);
at least one control device (5);
at least one output unit (6); and
at least one optoelectronic component (7, 17) having a controllable arrangement of several individually adjustable optoelectronic elements (8) in the form of a two-dimensional matrix, wherein an image resolution is defined by the product of the number of rows and columns of the matrix,
wherein the vehicle headlight (1, 11) is configured to emit light from the at the least one light source (2, 12) in the direction of the at least one optoelectronic component (7, 17) and to modulate the light by the at least one optoelectronic component (7, 17), and to radiate it at least partially in the direction of the at least one projection optical system (4, 14) and form a light image in front of a vehicle,
wherein the at least one control device (5) is connected to the at least one output unit (6), and the at least one output unit (6) is connected to the at least one optoelectronic component (7, 17) for actuating the optoelectronic element (8), and
wherein:
on a side of the at least one control device (5), at least one light model (20) is stored in the form of a plurality of nodes (9),
the at least one control device (5) is designed to form, from the at least one light model (20), image data (21) in the form of a two-dimensional matrix-like situational light distribution with a situational image resolution which is defined by the product of the number of rows and columns of the situational light distribution, wherein the situational image resolution is substantially higher than the plurality of nodes (9) of the light model, and the image data (21) is formed by interpolation from the nodes (9), and
the image data (21) is transmitted from the at least one control device (5) to the at least one optoelectronic component (7, 17) by the at least one output unit (6).

US Pat. No. 10,371,335

LIGHTING MODULE FOR A VEHICLE HEADLAMP

ZKW Group GmbH, Wieselbu...

1. A motor vehicle headlamp (2) comprising:a laser light source (7); and
a lighting module (1) which comprises:
at least one lighting element (3), which is configured to be excited by the laser light source (7) to emit visible light when illuminated by laser light of the laser light source, and
at least one light-transmissive carrier element (4), wherein the at least one light-transmissive carrier element (4) has at least one light-entry face (4a) and at least one light-exit face (4b) lying opposite the at least one light-entry face (4a), wherein the at least one lighting element (3) is arranged at the at least one light-entry face (4a) of the at least one light-transmissive carrier element (4) in order to radiate light into the at least one light-entry face (4a),
wherein:
a) the at least one light-exit face (4b) of the at least one light-transmissive carrier element (4) is delimited by a light-opaque mask (5) surrounding the at least one light-exit face (4b), or
b) the at least one light-exit face (4b) reaches up to the side faces (6a to 6d) of the at least one light-transmissive carrier element (4), wherein at least one side face (6b) of the side faces has two side portions (6b?, 6b?) adjoining one another, said two side portions being inclined relative to one another for forming a light/dark boundary.

US Pat. No. 10,386,696

ILLUMINATION APPARATUS FOR A MOTOR VEHICLE

ZKW GROUP GMBH, Wieselbu...

1. An illumination apparatus (100) for a motor vehicle, comprising:at least one laser light source (10) configured to produce excitation light;
at least one wavelength conversion element (20), which is designed to receive the excitation light from the at least one laser light source (10) in the form of an excitation-light light bundle;
at least one optical imaging element (30a, 30b, 30c; 31; 32), which is configured to image light, which is emitted in the visible wavelength range by the at least one wavelength conversion element (20), in the form of at least one light distribution or one partial light distribution (LVa, LVb, LVc, LVd, LVe); and
at least one beam-deflecting device in the beam path between the at least one laser light source (10) and the at least one wavelength conversion element (20),
wherein the at least one beam-deflecting device is designed as an acousto-optic modulator (40), which comprises a solid medium (40a), which is optically transparent at least to the excitation light of the at least one laser light source (10) and through which the excitation-light light bundle is configured to be passed,
wherein sound waves having a frequency, or a plurality of different frequencies, are configured to be produced in the solid medium (40a) of the acousto-optic modulator (40) such that the excitation-light light bundle is deflected to different regions (20a, 20b, 20c; 20a, 20b, 20c, 20d, 20e) of a conversion element (20) and/or to different conversion elements in accordance with the frequency of the applied sound waves, and
wherein an optical deflecting device (50) is arranged between the at least one conversion element (20) and the at least one acousto-optic modulator (40), which deflecting device is configured to deflect the excitation light, exiting from the at least one acousto-optic modulator (40) or the acousto-optic modulator arranged closest to the conversion element (20), parallel to a basic diffraction direction or normal to an application plane of the conversion element (20) on which the excitation light is incident.

US Pat. No. 10,429,024

RETAINING DEVICE FOR AN ELECTRONIC COMPONENT

ZKW Group GmbH, Wieselbu...

1. A vehicle headlamp comprising:a holding device (1) for an electronic component (2), the electronic component (2) comprising an optical interface area (21) on a front side and a thermal interface area (22) and electrical contacts (23) on a rear side facing away from the front side,wherein the holding device comprises:a base body (3) having a mounting position for the electronic component, and an opening (31) located in the region of the mounting position, through which opening access to the optical interface area (21) of the electronic component (2) is possible, wherein the electronic component (2) bears by way of the front side thereof against the base body (3),
a circuit board (4), to which the electronic component (2) can be connected by means of the electrical contacts thereof and which has an opening (41), though which access to the thermal interface area (22) of the electronic component (2) is possible,
a heat sink (5), which is arranged on the thermal interface area (22) of the electronic component (2) and is fastened on the base body, and
at least one resilient spacer (6), which is arranged between the circuit board (4) and the base body (3).

US Pat. No. 10,408,407

MOTOR VEHICLE HEADLIGHT FOR EMITTING A LONG-RANGE LIGHT DISTRIBUTION

ZKW GROUP GMBH, Wieselbu...

1. A lighting device for a motor vehicle headlight for emitting light to form a light pattern in an area in front of the lighting device, the lighting device comprising:a supporting frame (TR);
a main support (HT);
an additional support (ZT); and
a light module, which comprises:
two or more primary light sources (PLQ1, PLQ2) configured to produce light to form a main light pattern (HLV); and
at least one secondary light source (SLQ1) configured to produce light to form an additional light pattern (ZLV), the additional light pattern overlapping the main light pattern to form an entire light pattern,
wherein the two or more primary light sources (PLQ1, PLQ2) are associated with at least one primary reflector (PR1, PR2) and are set up to bundle the light emitted the from the primary light sources (PLQ1, PLQ2),
wherein an optical imaging system (AS) is associated with the at least one secondary light source (SLQ1) and is set up to project the light emitted from the at least one secondary light source (SLQ1) in the form of the additional light pattern (ZLV) into an area in front of the light module,
wherein the main light pattern (HLV) is in the form of a short-range light pattern and the additional light pattern (ZLV) is in the form of a long-range light pattern and the entire light pattern (LFL) is in the form of a long-range light pattern,
wherein the at least one primary reflector (PR1, PR2) is set up to direct the light emitted the from the primary light sources (PLQ1, PLQ2) in the form of the main light pattern (HLV) into an area in front of the light module, and the optical imaging system (AS) has at least one hyperboloid reflector (SR1), the hyperboloid reflector having a collimator lens (KL1) in front of it, the at least one secondary light source (SLQ1) being arranged at a real focal point (BP1) of the hyperboloid reflector (SR1), and the focal point (KLB) of the collimator lens (KL1) coinciding with the virtual focal point (BP2) of the hyperboloid reflector (SR1),
wherein the supporting frame (TR) is set up to receive the main support (HT) and the additional support (ZT), wherein the main support (HT) is set up to receive the primary light sources (PLQ1, PLQ2) and the at least one primary reflector (PR1, PR2), and wherein the additional support (ZT) is set up to receive the at least one secondary light source (SLQ1) and the optical imaging system (AS), and
wherein the secondary light source (SLQ1) is in the form of light conversion means of a laser light unit, and the laser light unit is arranged in a laser light unit housing (HM), this laser light unit housing (HM) being elongated and being arranged in and guidable through a receiving opening (AO) in the supporting frame (TR), this receiving opening being configured to receive the laser light unit housing.

US Pat. No. 10,488,007

COMPONENT HOUSING OF A VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A vehicle headlight (300) comprising:at least one light source (302);
at least one projection optical system (304); and
an electronic component (1) with an active optical surface (11) on a front face, an active thermal surface (12), and electric contacts (13) on a rear face, facing away from the front face, wherein the light source (302) is designed to generate a light beam which is directed towards the active optical surface (302) and is reflected there in the direction of the at least one projection optical system (304) and forms a light pattern in front of the vehicle,
wherein a component housing (110, 210), which is made of a housing shell (120, 220) and a housing cover (150, 250), a first printed circuit board (130, 230) and at least one first spacer (160, 260) are also contained, and the component housing (110, 210) at least partly receives the electronic component (1), wherein:
the housing shell (120, 220) comprises an assembly position for the electronic component (1) and a component opening (121, 221) which is located in the region of the assembly position, in which the electronic component (1) is arranged, and by means of which the active optical surface (11) of the electronic component (1) can be accessed,
the electronic component (1) can be connected to the first printed circuit board (130, 230) via the electric contacts of the electronic component,
the housing shell (120, 220) can be closed by the housing cover (150, 250),
the at least one first spacer (160, 260) is arranged between a paired support point (161, 262) and the housing cover (150, 250), wherein the support point (161, 262) lies on the first printed circuit board (130, 230) or on a heat sink (240), which is arranged on the first printed circuit board (130, 230) and on the active thermal surface (12) of the electronic component (1),
wherein at least one connection element (170, 270) is provided for producing a connection between the housing cover (150, 250) and the housing shell (120, 220), said connection element being introducible preferably along an axis which runs transversely to the first printed circuit board (130, 230).

US Pat. No. 10,569,711

MONITORING APPARATUS FOR MONITORING THE OPERATING STATE OF A LASER VEHICLE HEADLAMP

ZKW Group GmbH, Wieselbu...

1. A monitoring apparatus for monitoring an operating state of an automotive laser headlight (4), wherein the automotive laser headlight (4) comprises at least one laser light source (5) and a light conversion element (6) that is configured to be illuminated by the at least one laser light source (5) and excited to emit visible light, the monitoring apparatus comprising:at least one photosensitive device (3); and
one comparison device (1),
wherein the at least one photosensitive device (3) comprises at least one LED (D1), which is configured to convert light received by the at least one laser light source (5) into an electric signal (UD), which is sent to the comparison device (1),
wherein the comparison device (1) is configured to compare the electric signal (UD) with a preselectable value and to output a fault signal (U0) as a function of a result of the comparison,
wherein the at least one photosensitive device (3) has at least two LEDs, one of the at least two LEDs being equipped to measure laser light and another one of the at least two LEDs being equipped to measure a remaining light converted by the light conversion element (6), and
wherein the at least two LEDs are connected antiparallel to one another.

US Pat. No. 10,443,803

LIGHTING DEVICE WITH LIGHTGUIDE ASSEMBLY WHICH CAN BE LOCKED THEREIN

ZKW Group GmbH, Wieselbu...

1. A lighting device (20) for a motor vehicle, wherein the lighting device is configured to be mounted in a support frame (22), the lighting device comprising:at least one light source; and
at least one light guide assembly (10) assigned to the at least one light source for guiding light which is emitted by the at least one light source and coupled into the at least one light guide assembly,
wherein the at least one light guide assembly (10) is configured to be mounted in the support frame (22) of the lighting device (20) and comprises
a head portion (12) having at least one decoupling element (18) for coupling out at least some of the light coupled into the at least one light guide assembly, and
a feed line portion (11) comprising a coupling-in region (15) configured to couple in light originating from the at least one light source and which is configured to direct light coupled in to the coupling-in region through at least one curved portion in the feed line portion to the head portion (12),
wherein the coupling-in region (15) has a first securing arrangement (13) comprising at least one locking element (131, 132) protruding transversely to a longitudinal axis (c) of the coupling-in region (15), and wherein the coupling-in region (15) is insertable into a first securing location (23) of the support frame (22) and is lockable therein by the first securing arrangement,
wherein the head portion (12) has a second securing arrangement (14) for securing the head portion (12) to a second securing location (24) of the support frame (22), and
wherein the light guide assembly (10) is pivotable in the first securing location (23, 26, 27) about the longitudinal axis (c) in a state in which the coupling-in region (15, 15?) is inserted in the first securing location (23, 26, 27), but the head portion (12) is not fixed at the second securing location (24), where a pivoting motion swings the least one curved portion about the longitudinal axis (c).

US Pat. No. 10,408,403

HEADLAMP FOR VEHICLES HAVING AT LEAST ONE LASER LIGHT SOURCE

ZKW GROUP GMBH, Wieselbu...

1. A headlamp for vehicles, comprising:at least one laser light source (1) configured to produce a laser beam;
a beam deflection means (7);
at least one light conversion means (8), which comprise a phosphor for converting light, and which has a projection system (10);
at least one electro-optical modulator (4) which is arranged in the beam path of the at least one laser light source (1); and
a polarisation element (3, 5, 17) which is arranged at least after the at least one electro-optical modulator (4) in the beam path
wherein the beam deflecting means is configured to direct the laser beam of the at least one laser light source (1) towards the at least one light conversion means (8) in a scanning manner and the projection system (10) is configured to project a light image (9) generated at the light conversion means onto a roadway (11), and
wherein the at least one electro-optical modulator (4) is controlled by a control unit (12) and lies before the light conversion means (8) in the beam path and affects the polarisation of the light.

US Pat. No. 10,589,662

ADJUSTING SYSTEM FOR A VEHICLE LIGHTING APPARATUS, AND METHOD FOR OPERATING SUCH AN ADJUSTING SYSTEM

ZKW GROUP GMBH, Wieselbu...

1. An adjusting system for a lighting apparatus for vehicles, which lighting apparatus (1) is configured to emit light for forming at least one light distribution (3) described by a parameter set (2) into an area in front of the lighting apparatus (1), wherein the adjusting system is configured to modify the at least one light distribution (3) described by the parameter set (2), and wherein the adjusting system comprises:a light control unit (4), in which the parameter set (2) describing the light distribution (3) is stored, the light control unit (4) being assigned to the lighting apparatus (1) and configured to control the lighting apparatus (1) in such a way that the lighting apparatus (1) emits light for forming the at least one light distribution (3) in accordance with the parameter set (2) into an area in front of the lighting apparatus (1); and
an operator control unit (5) formed separately from the lighting apparatus (1) and from the light control unit (4), the operator control unit (5) being assigned to the light control unit (4) and configured to accept user inputs (6) and to transmit the user inputs (6) to the light control unit (4),
wherein the light control unit (4) is configured
to modify the parameter set (2) in accordance with the user inputs (6) to produce a further parameter set (8) describing at least one further user-defined light distribution (7), and
to adjust the lighting apparatus (1) in such a way that the lighting apparatus (1) emits light for forming the at least one further light distribution (7) in accordance with the further parameter set (8) into an area in front of the lighting apparatus (1),
wherein the operator control unit (5) is configured
to call up the parameter set (2) from the light control unit (4),
to modify the parameter set (2) in accordance with the user inputs (6) to form the further parameter set (8), and
to transmit the modified parameter set (8) to the light control unit (4), and
wherein the operator control unit (5) has a first part (5a) and a second part (5b), wherein the first part (5a) is formed as a portable terminal, and the second part (5b) is formed as a vehicle on-board computer.

US Pat. No. 10,627,065

MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A motor vehicle lighting device (1) comprising:multiple light sources (2a through 2g);
an optical device (3) comprising multiple light-conducting optical bodies (3a through 3g) associated with the multiple light sources (2a through 2g) and into which light of the multiple light sources (2a through 2g) is irradiated; and
an optical imaging system (6) associated with the optical device (3), wherein the optical imaging system is configured to image light exiting from the optical device (3) in front of the motor vehicle lighting device (1), wherein the optical device (3) is configured to concentrate the light of the multiple light sources (2a through 2g) and to direct it as at least two spatially separated light beams, comprising a first light beam and a second light beam, to the optical imaging system (6), wherein the optical imaging system (6) is configured to project each of the at least two spatially separated light beams in front of the motor vehicle lighting device (1) as a light distribution, and wherein the first light beam is a main light distribution and the second light beam is a sign light partial light distribution,
wherein the optical device (3) has at least one shield (5) downstream of it that is arranged perpendicular to an optical axis (4) of the optical imaging system (6), wherein the at least one shield (5) has at least one first opening (9) and at least one second opening (10),
wherein the at least one first opening (9) is configured to form the first light beam forming the main light distribution, and wherein the at least one second opening (10) is configured to form the second light beam forming the sign light partial light distribution, and
wherein each light-conducting optical body of the multiple light-conducting optical bodies is associated with exactly one light source of the multiple light sources, and wherein each light-conducting optical body is configured so that only the light of the associated light source is coupled into the optical body.

US Pat. No. 10,480,739

HEADLAMP FOR VEHICLES HAVING AT LEAST ONE LASER LIGHT MODULE

ZKW GROUP GMBH, Wieselbu...

1. A headlight (1) for vehicles comprising:at least one laser light module (3l, 3m, 3r) that includes a laser light source (11), and a phosphorus element (13) situated downstream therefrom in the beam path;
at least one optical attachment (16); and
at least one deflection prism (20, 22, 23) integrated into the at least one optical attachment (16),
wherein the at least one laser light module (3l, 3m, 3r) is situated in a housing (2) of the headlight (1), which has projection optics (4) configured for projecting the light distribution, generated in the focal plane of the projection optics of the at least one laser light module, into a roadway space, and
wherein the at least one deflection prism (20; 22, 23) is configured to be situated in the area of laser radiation (15; 15-1, 15-2) that passes through when the phosphorus element (13) is defective or missing, and to deflect this laser radiation that occurs in the event of a malfunction and keep it away from the projection optics (4) and thus, away from the roadway space, and
wherein the optical attachment (16) is configured as a total internal reflection (TIR) optics system, and the at least one deflection prism (20; 22, 23) is formed by a recess on a front side of the optical attachment (16).

US Pat. No. 10,612,741

MICRO-PROJECTION LIGHT MODULE FOR A MOTOR VEHICLE HEADLIGHT, FOR ACHIEVING APLANATIC LIGHT DISTRIBUTION

ZKW Group GmbH, Wieselbu...

1. A microprojection light module (1) for a headlight of a motor vehicle, comprising:a light source (2); and
a projection device (3) configured to image light exiting the light source (2) into a region in front of the motor vehicle as a light distribution, the projection device (3) comprising:
an entrance lens system (30) including micro entrance lenses (31), which are arranged in an array; and
an exit lens system (40) including micro exit lenses (41), which are arranged in an array,
wherein each micro entrance lens (31) of the micro entrance lenses is associated with exactly one micro exit lens (41) of the micro exit lenses,
wherein substantially all light exiting each micro entrance lens (31) enters only the exactly one micro exit lens (41) associated therewith,
wherein light preshaped by the micro entrance lenses (31) is imaged by the micro exit lenses (41) into the region in front of the motor vehicle as the light distribution (LV1 to LV5; GLV),
wherein a first diaphragm device (50) is arranged between the entrance lens system (30) and the exit lens system (40), and
wherein a second diaphragm device (60, 70) is arranged between the entrance lens system (30) and the exit lens system (40), the second diaphragm device (60, 70, 80) comprising a diaphragm (61 to 65, 71 to 75, 81 to 89) having an optically effective diaphragm edge (61? to 65?, 71? to 75?, 81? to 89?) for a pair of associated micro entrance and micro exit lenses (31, 41).

US Pat. No. 10,518,695

LIGHTING DEVICE FOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device for a vehicle headlight, the light device comprising:a first light module (105);
a second light module (106); and
a third light module (107),
wherein:
the first light module (105) is configured to generate a first overall light distribution (A) when installed in a vehicle in a region in front of the vehicle,
the second light module (106) is configured to generate a first partial light distribution (F) when installed in the vehicle in the region in front of the vehicle,
the third light module (107) is configured to generate a second partial light distribution (Z) when installed in the vehicle in the region in front of the vehicle,
when the first and second light modules (105,106) are illuminated at the same time, the first overall light distribution (A) at least partially overlaps the first partial light distribution (F) such that a second overall light distribution (AF) is formed,
the first overall light distribution is a low beam light distribution (A),
the first partial light distribution is a partial high beam light distribution (F),
the second overall light distribution is a high beam light distribution (AF), and
the second partial light distribution (Z) lies entirely below an hh line (hh) or is bounded by at least one horizontal section of a light/dark boundary (10) of the low beam light distribution (A) at a top thereof and at least partially overlaps the high beam light distribution (AF), and the partial high beam light distribution (F) is formed from one or more segments (30) and has a lower boundary (25), which lies at least partially in the low beam light distribution (A), and when the second and third light modules are illuminated at the same time, the partial high beam light distribution (F) is at least partially overlapped by the second partial light distribution (Z), wherein when the first, second, and third light modules (105, 106, 107) are illuminated at the same time, a third overall light distribution (AF?) is formed.

US Pat. No. 10,451,237

LIGHTING DEVICE OF A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (1) of a motor vehicle headlight, the lighting device (1) comprising:a first light source arrangement (2), comprising at least one laser device (2a) and at least one lighting surface (2b) comprising a light conversion element;
a light-shaping device (3) arranged after the first light source arrangement (2);
a first reflector (4, 4?) having a first focal point (f1) and a second reflector (5, 5?) having a second focal point (f2), wherein the two reflectors (4, 4?, 5, 5?) form an optics system;
a second light source arrangement (6), which is arranged outside on the second reflector (5, 5?) with respect to the reflecting surface of the second reflector (5, 5?), wherein a recess is provided for this purpose on the second reflector (5, 5?) so that the light irradiated from the second light source arrangement (6) is cast out in substantially the same direction as the light beams reflected by the second reflector (5, 5?) and
a termination plate (8) position in an exit opening of the second reflector (5, 5?) for use of a common projection of the first and second light source arrangement (2, 6),
wherein the device is configured such that light emitted from the light source arrangement (2) is directed by means of the light-shaping device (3) onto the first reflector (4, 4?) arranged opposite the first light source arrangement (2) in the irradiation direction, wherein the first reflector (4, 4?) deflects the light beams in the first focal point (f1) in a bundled manner onto the second reflector (5, 5?), which is designed and arranged relative to the first reflector (4, 4?) in such a way that the first focal point (f1) of the first reflector (4, 4?) is substantially coincident with the second focal point (f2) of the second reflector (5, 5?), and the light beams reflected by the second reflector (5, 5?) are cast out in a desired exit direction by the termination plate (8) in the form of a defined light distribution, wherein the second light source arrangement (6) casts out an additional light output, having an irradiation characteristic different from the first light source arrangement (2), in the desired exit direction through the recess in the second reflector (5, 5?) and the termination plate (8).

US Pat. No. 10,655,819

LAMP FOR VEHICLE AND METHOD FOR CONTROLLING THE SAME

ZKW Group GmbH, Wieselbu...

1. A vehicle lamp comprising:a light source unit comprising one or more light sources and that is configured to generate light;
a reflector configured to reflect at least part of the light that is generated by the light source unit; and
a lens configured to transmit therethrough a first portion of the light that is generated by the light source unit and that is reflected by the reflector to the lens,
wherein the reflector comprises:
a reflective part that is configured to reflect, to the lens, the first portion of the light that is generated by the light source unit; and
a non-reflective part that is configured not to reflect, to the lens, the light that is generated by the light source unit,
wherein the reflective part and the non-reflective part of the reflector are configured to selectively reflect the light that is generated by the light source unit towards the lens to output a light distribution pattern from the vehicle lamp,
wherein the light source unit comprises a first light source part and a second light source part that are oriented to output light in different directions towards the reflector, and
wherein the reflector comprises:
a first surface configured to reflect first light generated by the first light source part of the light source unit; and
a second surface configured to reflect second light generated by the second light source part of the light source unit.

US Pat. No. 10,611,293

LAMP FOR VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:a lamp module configured to project a light having a beam pattern onto a road surface;
at least one processor; and
a non-transitory computer-readable medium coupled to the at least one processor having stored thereon instructions which, when executed by the at least one processor, causes the at least one processor to perform operations comprising:
obtaining vehicle driving information associated with driving of the vehicle;
determining, based on vehicle driving information, a light adjustment region; and
based on the determination of the light adjustment region, performing a gradual control of light projected to the light adjustment region, the gradual control of light projected to the light adjustment region being configured to progressively change a brightness of light in the light adjustment region,
wherein determining the light adjustment region comprises:
determining, based on the vehicle driving information, a need for adjustment of brightness of a region of the beam pattern, and
based on the determination of the need for adjustment of brightness of the region of the beam pattern, including the region in need for adjustment of brightness in the light adjustment region,
wherein determining the need for adjustment in brightness of the region of the beam pattern comprises:
determining that the region of the beam pattern causes glare to a driver of another vehicle or a pedestrian,
based on the determination that the region of the beam pattern causes glare to the drive of the another vehicle or the pedestrian, determining the region of the beam pattern to be a first region,
determining that an illuminance of the region of the beam pattern is greater than or equal to a second preset value, and
based on the determination that the illuminance of the region of the beam pattern is greater than or equal to the second preset value, determining the region of the beam pattern to be a second region, and
wherein the performing the gradual control of light projected to the light adjustment region comprises:
reducing a brightness of light projected to the first region or the second region.

US Pat. No. 10,550,320

CONVERTER FOR LIGHTING DEVICES

ZKW GROUP GMBH, Wieselbu...

1. A converter (25, 35, 45, 55, 65, 75, 85, 95, 115, 125) for a lighting device for a motor vehicle headlight, wherein the converter comprises a converter material (24, 34, 44, 54, 64, 74, 84, 94, 114, 124) for at least partly converting a primary light, which is emitted from a primary light source, into a secondary light, wherein the secondary light has a different wavelength than the primary light, the converter comprising:a flat diamond support structure (20, 30, 40, 50, 60, 70, 80, 90, 110, 120) made of polycrystalline diamond with a plurality of column-shaped diamond crystals (23, 33, 43, 53, 63, 73, 83, 93, 113, 123), which form a column-shaped diamond texture, wherein regions (22, 32, 42, 52, 62, 72, 82, 92, 112, 122) of the diamond support structure comprise the converter material (24, 34, 44, 54, 64, 74, 84, 94, 114, 124), and free spaces remain between said regions, the free spaces allow the primary light to pass through the diamond support structure without being converted.

US Pat. No. 10,598,330

HEADLIGHT FOR VEHICLES

ZKW Group GmbH, Wieselbu...

1. A headlight for vehicles, comprising:at least two light sources (1A, 1B; 1B-1, 1B-2, 1B-3); and
an illumination optics system associated with one of the at least two light sources, the illumination optics system comprising a micromirror array (7) and a projection optics system (9, 9f) comprising a lens, a central processing unit (4) comprising a light source control unit (3) and an array control unit (12) associated with the at least two light sources and the micromirror array,
wherein the illumination optics system is configured to direct shaped rays of light (2A, 2B) of one of the at least two light sources at the micromirror array, and wherein a reflected light beam is projected by the projection optics system as a light image (10) into a traffic space,
wherein rays of light from the at least two light sources are directed at the micromirror array (7) that is common to the at least two light sources, and wherein at least two superimposed regions (9kA, 9kB) of the projection optics system (9, 9f), which have different refractive powers for at least two image regions of the light image are associated with the reflected light beam, and
wherein the rays of light of the at least two light sources (1A, 1B; 1B-1, 1B-2, 1B-3) are directed at the micromirror array (7) at varying angles of incidence.

US Pat. No. 10,436,410

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (1) for a motor vehicle headlight, comprising:at least one illumination module (2) for emitting visible light;
at least one optical component (3) configured to deflect, to shape, or to deflect and shape the visible light emitted from the at least one illumination module (2); and
a holding module (4) which is connected with the at least one illumination module (2) and in which the at least one optical component (3) is supported,
wherein the at least one illumination module (2) comprises at least one laser light source (2a) and a light conversion element (2b), the at least one illumination module being configured to direct light from the at least one laser light source (2a) onto the at least one light conversion element (2b), which converts the light into visible light and emits the visible light into the at least one optical component (3), and
wherein the holding module (4) has at least one first and at least one second guidance elements (4b?, 4h), the at least one first guidance element (4b?) being able to move the at least one optical component (3) with respect to the light conversion element (2b) in a first direction (x), and the at least one second guidance element (4h) being able to move the at least one optical component (3) in a second direction (z), the first and the second directions (x, z) being different from one another.

US Pat. No. 10,632,901

ADDITIONAL HEADLAMP FOR VEHICLES

ZKW GROUP GMBH, Wieselbu...

1. An additional headlight (3, 3?, 3?) for a vehicle, wherein the additional headlight is configured to produce a light pattern in front of the vehicle (1) by emitting light from at least one light module (4) and to project this light pattern in front of the vehicle by downstream imaging optics (8), the additional headlight comprising:a first light module (6) set up to produce a first light pattern (110?, 110?) with at least one first light distribution (111?, 111?) with at least one first essentially vertically oriented line-shaped maximum intensity (112?, 112?);
a second light module (7) set up to produce a second light pattern (120?, 120?) with a second light distribution (121?, 121?) with at least one second, essentially rectangular maximum intensity (122?, 122?), wherein the first and second light patterns (110?, 110?, 120?, 120?) are superimposed, the first maximum intensity (112?, 112?) being located vertically under the second maximum intensity (122?, 122?), wherein the one first light module (6) is configured to produce a first light emission by at least one first light source (9a, 9b), and the second light module (7) is configured to produce a second light emission by at least one second light source (10a, 10b, 10c);
at least one primary optical system (11), having multiple light guide elements (12a, 12b, 13a, 13b, 13c), each light guide element (12a, 12b, 13a, 13b, 13c) having a light entrance (14) surface to couple a light emission, and a light exit surface (15), the first light emission coupling into at least one first light guide element (12a, 12b) of the primary optics (11), and the second light emission coupling into at least one second light guide element (13a, 13b, 13c) of the primary optics (11);
at least one mask (16) that is downstream of the primary optics (11) and that has at least one first mask opening (16a) facing the light exit surface of the first light guide element (12a, 12b), and at least one second mask opening (16b) facing the light exit surface of the second light guide element (13a, 13b, 13c), the primary optics (11) and the mask (16) producing an overall light image from the light emissions; and
imaging optics (8) downstream of the mask (16) projecting the overall light image as a light pattern in the emission direction of the additional headlight (3, 3?, 3?) to produce an overall light pattern.

US Pat. No. 10,605,429

HEAT SINK HAVING VARIABLE THERMAL RESISTANCE

ZKW GROUP GMBH, Wieselbu...

1. A motor vehicle headlight (100), comprising:a headlight housing (102) and a cover plate (103);
at least one light source (104, 105) arranged in said motor vehicle headlight (100), the light of the at least one light source (104, 105) being imagable ahead of the motor vehicle headlight (100) in the form of a defined light distribution; and
a heat sink device (200) being provided for cooling the at least one light source (104, 105),
wherein the heat sink device (200) comprises two heat sink elements (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002) that are separated from one another by an air gap (209) and that are arranged in such a way that a first heat sink element (106, 201, 501, 601, 701, 801, 901, 1001) is mounted inside the motor vehicle headlight (100) and a second heat sink element (107, 202, 502, 602, 702, 802, 902, 1002) is mounted outside the motor vehicle headlight (100), wherein the heat sink device (200) is provided with a contacting device (210), which is designed in such a way that heat exchange takes place between the heat sink elements (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002) via this contacting device (210) when the temperature inside the motor vehicle headlight (100) is higher than the temperature in the area outside the motor vehicle headlight (100) on which the second heat sink element (107, 202, 502, 602, 702, 802, 902, 1002) is mounted, and that no heat exchange between the heat sink elements (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002) is possible when the temperature inside the motor vehicle headlight (100) is lower than the temperature in the area outside the motor vehicle headlight (100) on which the second heat sink element (107, 202, 502, 602, 702, 802, 902, 1002) is mounted, and
wherein the contacting device (210) comprises one contact element (108, 109, 203, 204, 503, 504, 603, 604, 703, 704, 803, 904, 1003, 1004) or a plurality of contact elements (108, 109, 203, 204, 503, 504, 603, 604, 703, 704, 803, 904, 1003, 1004), allowing a heat exchange between the heat sink elements (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002) when the temperature inside the motor vehicle headlight (100) is higher than the temperature in the area outside the motor vehicle headlight (100) on which the second heat sink element (107, 202, 502, 602, 702, 802, 902, 1002) is mounted, wherein the contact element (108, 109, 203, 204, 503, 504, 603, 604, 703, 704, 803, 904, 1003, 1004) or the contact elements (108, 109, 203, 204, 503, 504, 603, 604, 703, 704, 803, 904, 1003, 1004) of the contacting device (210) is or are in simultaneous heat-conducting contact with the first heat sink element (106, 201, 501, 601, 701, 801, 901, 1001) and the second heat sink element (107, 202, 502, 602, 702, 802, 902, 1002), and that no heat exchange between the heat sink elements (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002) is possible when the temperature inside the motor vehicle headlight (100) is lower than the temperature in the area outside the motor vehicle headlight (100) on which the second heat sink element (107, 202, 502, 602, 702, 802, 902, 1002) is mounted, in that the included contact elements (108, 109, 203, 204, 503, 504, 603, 604, 703, 704, 803, 904, 1003, 1004) of the contacting device (210) are only in contact with one heat sink element (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002) in each case or no heat sink element (106, 107, 201, 202, 501, 502, 601, 602, 701, 702, 801, 802, 901, 902, 1001, 1002).

US Pat. No. 10,531,571

METHOD FOR POSITIONING AT LEAST ONE ELECTRONIC COMPONENT ON A CIRCUIT BOARD

ZKW GROUP GMBH, Wieselbu...

1. A method for positioning at least one electronic component (3) on a circuit board (1) intended for installation in a vehicle headlamp, the method comprising:providing the circuit board (1) which comprises at least one position mark;
optically detecting the at least one position mark; and
positioning, based on the at least one position mark, the at least one electronic component (3) on the circuit board (1),
wherein the at least one position mark comprises at least one alignment mark (5, 6, 7, 8, 8?, 8?) on the circuit board (1) which, when the circuit board is installed in the vehicle headlamp, interacts mechanically with a positioning element (9, 15) of the vehicle headlamp that is complementary to the at least one alignment mark (5, 6, 7, 8, 8?, 8?),
wherein the at least one alignment mark (5, 6, 7, 8, 8?, 8?) is detected optically from a first side of the circuit board (1) using a camera (12),
wherein based on position data of the at least one alignment mark (5, 6, 7, 8, 8?, 8?), a data record with a fitting position for the at least one electronic component (3) is created and is made available to a machine for fitting the at least one electronic component (3), and
wherein the circuit board (1) is illuminated from a second side opposite the first side.

US Pat. No. 10,618,456

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, the lamp comprising:a light generation unit comprising an array module on which a plurality of micro Light Emitting Diode (micro-LED) elements is disposed;
at least one processor; and
a computer-readable medium having stored thereon instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising:
controlling the light generation unit to form a first light distribution pattern that, when projected on a vertical plane at a first distance from the light generation unit, comprises a plurality of zones having different luminous intensities,
wherein controlling the light generation unit to form the first light distribution pattern comprises:
controlling at least one first micro-LED element of the light generation unit to generate a first luminous intensity at a first zone of the first light distribution pattern;
controlling at least one second micro-LED element of the light generation unit to generate a second luminous intensity at a second zone of the first light distribution pattern;
forming the first light distribution pattern that, when projected on the vertical plane at the first distance from the light generation unit, has a central point having a highest luminous intensity in the first light distribution pattern;
forming the first light distribution pattern that, when projected on the vertical plane at the first distance from the light generation unit, is vertically symmetric with respect to a vertical centerline of the first light distribution pattern; and
forming the first light distribution pattern that, when projected on the vertical plane at the first distance from the light generation unit, comprises first to fifth zones having different luminous intensities.

US Pat. No. 10,527,248

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device (1a) for a motor vehicle headlight comprising:a first light-guide unit (2) having a retaining bar (2a) and at least two outcoupling bars (2b) spaced apart from one another and protruding from the retaining bar (2a);
a second light-guide unit (3) having a retaining bar (3a) and at least one outcoupling bar (3b) protruding from the retaining bar (3a);
a number of light sources (4) for coupling light into the outcoupling bars (2b, 3b) of the first and second light-guide units (2, 3), wherein at least one of the light sources (4) is associated with each of the outcoupling bars (2b, 3b); and
at least one lens (5) arranged downstream of the first and second light-guide units (2, 3) for generating a light distribution,
wherein each of the outcoupling bars (2b, 3b) has a light-outcoupling surface (2c, 3c) for emitting light into the at least one lens (5), wherein the first and second light-guide units (2, 3) are components separate from one another and arranged such that a respective outcoupling bar (3b) of the second light-guide unit (3) is arranged between neighbouring outcoupling bars (2b) of the first light-guide unit (2), and
wherein an aperture (11) is arranged between the at least one lens (5) and the light-outcoupling surfaces (2c, 3c) of the outcoupling bars (2b, 3b) configured to limit the light coupled from the outcoupling bars (2b, 3b) into the at least one lens (5) such that the light distribution emitted by the lighting device (1a) is limited by a single continuous straight bottom edge (UK), wherein the aperture (11) has an opening through which light is guided from the outcoupling bars into the at least one lens, wherein, when installed, an upper side of the opening is limited by a horizontal edge.

US Pat. No. 10,670,220

METHOD FOR CONTROLLING A LASER ILLUMINATION DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A method for controlling a laser illumination device for a motor vehicle headlight, wherein the laser illumination device comprises two or more modulable laser light sources (11 to 18), wherein a number of laser light sources is designated as N and each laser light source generates a laser beam (11p to 18p), wherein at least one optical attachment (21 to 28) is arranged downstream from each laser light source, wherein at least one microscanner (51, 52) is assigned to each laser light source, wherein each microscanner is configured to guide two or more laser beams to at least one light conversion means (60) so that a luminous image is generated on the at least one light conversion means, and wherein an imaging system (PS) is assigned to the at least one light conversion means to replicate the luminous image as a light image on a road surface, the method comprising the following steps performed by a headlight controller (4):dividing the luminous image into luminous strips, wherein a number of luminous strips is designated as n;
determining a desired luminous flux per luminous strip;
calculating, based on the desired luminous flux, a desired width value per luminous strip; and
adjusting, based on the desired width values, a width of a light strip of the luminous strips in the light image by varying a luminous strip width on the light conversion means.

US Pat. No. 10,641,453

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:at least one light emitting unit;
a sensor that is disposed around the at least one light emitting unit, and that is configured to generate data regarding an object located outside the vehicle;
a housing configured to accommodate the at least one light emitting unit and the sensor, the housing defining an opening through which light that is emitted from the light emitting unit is projected to an outside of the vehicle; and
a cover lens configured to cover the opening of the housing,
wherein the cover lens comprises:
a first lens structure having a first refractive index; and
a second lens structure configured to contact at least one surface of the first lens structure, and having a second refractive index that is different from the first refractive index of the first lens structure, and
wherein the first lens structure comprises:
a first transparent member having a first thickness;
a second transparent member that is adjacent to the first transparent member along a lateral direction of the lamp and that has a second thickness greater than the first thickness of the first transparent member, and formed to have a step with respect to the first transparent member; and
a stepped portion formed by a difference between the first thickness of the first transparent member and the second thickness of the second transparent member.

US Pat. No. 10,619,816

VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A vehicle headlamp (501, 601, 701) for a vehicle, comprising:at least one light source unit (502, 602, 702);
at least one controllable reflector (590, 690, 790);
at least one optically transparent cover (504, 604, 704);
at least one optical absorber device (505, 605, 705);
at least one optical shielding element (506, 606, 706, 806); and
at least one projection optics (507, 607, 707, 807),
wherein the at least one light source unit (502, 602, 702) is designed to emit light and to illuminate in a first direction of propagation (510, 610, 710), in the optical path of which the at least one controllable reflector (590, 690, 790) is arranged, and the at least one controllable reflector (590, 690, 790) at least partially reflects the light in a second direction of propagation (520, 620, 720), in the optical path of which the at least one projection optics (507, 607, 707, 807) is arranged and is oriented in a direction in front of the vehicle, in order to form a light pattern in front of the vehicle,
wherein the at least one controllable reflector (590, 690, 790) comprises an arrangement of multiple controllable individual mirrors (591, 691, 791, 592, 692, 792), the reflective surfaces of which in a non-tilted state are arranged level in a first plane (550, 650, 750),
wherein the light emitted from the at least one light source unit (502, 602, 702) is incident on the at least one controllable reflector (590, 690, 790) in the first direction of propagation (510, 610, 710) and in a first controlled state of said reflector is reflected thereby in the direction of the second direction of propagation (520, 620, 720) and/or is reflected in a second controlled state of the at least one controllable reflector (590, 690, 790) in a third direction of propagation (532, 632, 732),
wherein the at least one optically transparent cover (504, 604, 704) is arranged in a second plane (551, 651, 751) between the at least one light source unit (502, 602, 702) and the at least one controllable reflector (590, 690, 790) in such a way that light passes through the at least one optically transparent cover (510, 610, 710) in the first direction of propagation (520, 620, 720) and in the second direction of propagation (504, 604, 704),
wherein the light emitted by the at least one light source unit (502, 602, 702) is incident on the at least one optically transparent cover (504, 604, 704) in the first direction of propagation (510, 610, 710) and is reflected thereby partially in a fourth direction of propagation (540, 640, 740) and in the fourth direction of propagation (540, 640, 740) is blocked by the at least one optical shielding element (506, 606, 706, 806); and
wherein the at least one shielding element (506, 606, 706) is arranged at least partially in the optical path of the second direction of propagation (520, 620, 720) and after the at least one projection optics (507, 607, 707, 807).

US Pat. No. 10,605,428

LIGHTING UNIT FOR A MOTOR VEHICLE HEADLIGHT FOR GENERATING AT LEAST TWO LIGHT DISTRIBUTIONS

ZKW GROUP GMBH, Wieselbu...

1. A lighting unit for a motor vehicle headlight for generating at least two light distributions, wherein the lighting unit comprises:at least one first light source (1) for generating a first light distribution,
at least one second light source (2) for generating a second light distribution,
a reflector (3),
an exit lens (4), in particular in the form of a projection lens, and
collimators (5, 6; 5, 6a, 6b, 6c) into which the light sources (1, 2) can feed light, wherein
light of the at least one first light source (1) is oriented by the at least one collimator (5) associated with the at least one first light source (1) to form a first light beam (S1), and
light of the at least one second light source (2) is oriented by the at least one collimator (6; 6a, 6b, 6c) associated with the at least one second light source (2) to form a second light beam (S1),
wherein the reflector (3) deflects, in the direction of the exit lens (4), the light rays of the light beams (S1, S2) exiting the collimators (5, 6; 5, 6a, 6b, 6c), and wherein the exit lens (4) images the light rays reflected by the reflector (3) in the form of the first and the second light distribution,
wherein the reflector (3), exit lens (4) and collimators (5, 6; 5, 6a, 6b, 6c) are formed from a translucent body (100), and wherein the light rays (S1, S2) propagating in the translucent body (101) are totally reflected at a reflector delimiting surface of the reflector (3?) and preferably at the collimator delimiting surfaces (5?, 6?; 5?, 6a?, 6b?, 6c?) of the collimators (5, 6; 5, 6a, 6b, 6c),
wherein the reflector (3) has a first reflector surface region (30) which receives light exclusively from the at least one first light source (1),
wherein the reflector (3) has a second reflector surface region (31) which receives light exclusively from the at least one second light source (2),
wherein the exit lens (4) has a first exit lens region (40) which receives light exclusively from the first reflector surface region (30),
wherein the exit lens (4) has a second exit lens region (41) which receives light exclusively from the second reflector surface region (31), and
wherein light irradiated via the first exit lens region (40) is imaged as a first light distribution and light irradiated via the second exit lens region (4) is imaged as a second light distribution.

US Pat. No. 10,598,337

LAMP FOR VEHICLES AND VEHICLE HAVING THE SAME

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, the lamp comprising:a light generation unit comprising an array provided with a plurality of micro-light emitting diode (micro-LED) chips arranged therein; and
a lens configured to redirect light beams generated by the light generation unit,
wherein the light generation unit is configured to output a plurality of beams having a divergence angle defined in a vertical direction,
wherein the lens is arranged to have a largest vertical cross-section thereof inscribed in the divergence angle of the beams that are output from the light generation unit,
wherein the plurality of micro-LED chips comprise:
a first group of micro-LED chips arranged at an uppermost portion of the array and configured to output first beams to an uppermost portion of a range of the beams, and
a second group of micro-LED chips arranged at a lowermost portion of the array and configured to output second beams to a lowermost portion of the range of the beams, and
wherein the divergence angle is defined between an uppermost part of the first beams output from the first group of micro-LED chips and a lowermost part of the second beams output from the second group of micro-LED chips.

US Pat. No. 10,591,126

MICRO-PROJECTION LIGHT MODULE FOR A VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A micro-projection light module (1) for a vehicle headlight of a motor vehicle, comprising:at least one light source (2) and
at least one projection arrangement (3) which images the light emitted from the at least one light source (2) into an area 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) having one, two, or more micro entry optics (31) arranged in an array, and
an exit optics (40) having one, two, or more micro exit optics (41) arranged in an array, wherein each micro entry optics (31) is paired with precisely one micro exit optics (41),
wherein the micro entry optics (31) are configured, and/or the micro entry optics (31) and the micro exit optics (41) are together configured, such that substantially all the light emitted 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 (41) into an area in front of the motor vehicle in the form of at least one light distribution (LV1-LV5; GLV),
wherein the at least one light source (2) is paired with an ancillary optics arrangement (4), the at least one light source (2) irradiates the light emitted therefrom into said at least one ancillary optics arrangement (4), said ancillary optics arrangement (4) being configured such that the light emitted therefrom is directed substantially in parallel, and the entry optics (30) having at least one planar boundary surface (31?), wherein the at least one planar boundary surface (31?) faces the ancillary optics arrangement (4), and
wherein at least one first screen device (50) and at least one second screen device (60, 70) are arranged between the entry optics (30) and the exit optics (40), the at least one first screen device (50) comprising a screen having at least one optically effective screen edge (51?, 52?, 53?, 54?, 55?).

US Pat. No. 10,641,455

MOTOR VEHICLE LIGHTING UNIT WITH HEAT SINK

ZKW GROUP GMBH, Wieselbu...

1. A lighting unit (1) for a motor vehicle, the lighting unit comprising:a light module (2); and
a mirror module (3), wherein the mirror module (3) is adapted to reflect light emission produced by the light module (2) in an emission direction of the lighting unit (1),
wherein:
the light module (2) comprises at least one light source (4) connected in a thermally conductive manner to a first heat sink (5),
the mirror module (3) comprises a mirror unit (6) connected in a thermally conductive manner to a second heat sink (7),
the lighting unit further comprises a cooling system (8) which comprises at least one inlet (9), at least one outlet (10), at least one line (11), at least one flow unit (12), a cooling medium, a first cooling sink and a second cooling sink, wherein the at least one inlet (9) and the at least one outlet (10) are connected by the at least one line (11) and the at least one flow unit (12) is inserted into the line (11) and configured to produce a flow of the cooling medium in the line (11) and thereby suck in the cooling medium through the at least one inlet (9) and expel the cooling medium through the at least one outlet (10), and
the first cooling sink is formed by the first heat sink (5) of the light module (2) and the second cooling sink is formed by the second heat sink (7) of the mirror module (3), wherein the first cooling sink is arranged downstream of the second cooling sink, and
the second heat sink (7) is arranged upstream of the at least one inlet (9) in such a manner that the second heat sink (7) is cooled by the sucked in cooling medium.

US Pat. No. 10,584,842

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:a lamp module configured to emit light;
at least one processor;
an interface unit connected with the at least one processor and configured to receive information; and
a computer-readable medium having stored thereon instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising:
receiving, through the interface unit, driving situation information of the vehicle; and
controlling, based on the driving situation information, a resolution of light that is output from the lamp module,
wherein controlling the resolution of light comprises controlling the lamp module to change a size of a smallest differentially illuminable area that is illuminated on a surface at a first distance from the lamp.

US Pat. No. 10,731,815

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:a cover lens;
a housing that is coupled to the cover lens and that defines a lamp space with the cover lens;
a light output unit comprising a plurality of light generation groups that are arranged inside of the lamp space in a first direction, each of the plurality of light generation groups comprising an array module that is flexible and that comprises a plurality of micro Light Emitting Diodes (LEDs); and
a light guide that has a three-dimensional (3D) shape and that is configured to guide light from the light output unit in a light output direction,
wherein the light guide comprises:
a first surface that defines a portion of the 3D shape of the light guide, that faces the light output unit, and that extends in the first direction in which the plurality of light generation groups are arranged in the lamp space,
a second surface that defines a portion of the 3D shape of the light guide and that defines an acute angle with respect to the first surface,
an optical pattern unit that is located at the second surface and that defines a plurality of optical patterns at portions of the light guide, respectively, and
an optical path changing unit that is located on the first surface and that is configured to change optical paths of light generated by the plurality of light generation groups to the plurality of optical patterns, respectively, and
wherein at least one of the plurality of light generation groups is oriented to a direction that is different from one or more directions in which other of the plurality of light generation groups are oriented.

US Pat. No. 10,703,254

LIGHTING DEVICE FOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...

1. A lighting device for a vehicle headlight, the lighting device comprising:a first light module (105);
a second light module (106); and
a third light module (107),wherein:the first light module (105) is configured to generate a first overall light distribution (A) when installed in a vehicle in a region in front of the vehicle,
the second light module (106) is configured to generate a first partial light distribution (F) when installed in the vehicle in the region in front of the vehicle, and
the third light module (107) is configured to generate a second partial light distribution (Z) when installed in the vehicle in the region in front of the vehicle, and
when the first and second light modules (105,106) are illuminated at the same time, the first overall light distribution (A) at least partially overlaps the first partial light distribution (F) such that a second overall light distribution (AF) is formed,
the first overall light distribution is a low beam light distribution (A),
the first partial light distribution is a partial high beam light distribution (F),
the second overall light distribution is a high beam light distribution (AF), and
the second partial light distribution (Z) lies entirely below an hh line (hh) or is bounded by at least one horizontal section of a light/dark boundary (10) of the low beam light distribution (A) at a top thereof and at least partially overlaps the high beam light distribution (AF), and the partial high beam light distribution (F) has a lower boundary (25), which lies at least partially in the low beam light distribution (A), and when the second and third light modules are illuminated at the same time, the partial high beam light distribution (F) is at least partially overlapped by the second partial light distribution (Z), wherein when the first, second, and third light modules (105,106,107) are illuminated at the same time, a third overall light distribution (AF?) is formed.

US Pat. No. 10,788,182

VEHICLE LAMP USING SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR CONTROLLING THE SAME

ZKW Group GmbH, Wieselbu...

1. A vehicle lamp, comprising:a plurality of light emitting modules that are vertically stacked with each other in a thickness direction, each of the light emitting modules comprising a substrate and a plurality of semiconductor light emitting devices located on the substrate; and
partition walls located between the semiconductor light emitting devices, the partition walls passing through each of the light emitting modules in the thickness direction,
wherein the semiconductor light emitting devices provided in different light emitting modules among the light emitting modules are configured to emit light having different wavelengths, and
wherein each of the partition walls includes a first partition wall part that passes through the light emitting modules and a second partition wall part located between the light emitting modules.

US Pat. No. 10,857,932

LAMP FOR VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:at least one light source;
an outer lens for covering the at least one light source;
a housing coupled to the outer lens to form a space;
an antenna module disposed in the space and comprising at least one horn antenna for transmitting and receiving electromagnetic waves; and
a Printed Circuit Board (PCB) disposed in the space, and electrically connected with the at least one horn antenna,
wherein the PCB is horizontally disposed,
wherein a top surface of the PCB is electrically connected with the at least one horn antenna, and
wherein a bottom surface of the PCB is electrically connected with a Monolithic Microwave Integrated Circuit (MIMIC) that is included in a radar device.

US Pat. No. 10,731,813

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:an array module comprising a plurality of micro Light Emitting Diode (LED) chips,
wherein the array module is configured to generate light in a light emission direction,
wherein the array module comprises a plurality of regions, each region comprising one or more arrays, each array comprising at least a portion of the plurality of micro LED chips,
wherein at least one of the plurality of regions comprises arrays that are stacked on each other in layers,
wherein a number of arrays stacked at a first region among the plurality of regions is different from a number of arrays stacked in a second region among the plurality of regions, the first region being different from the second region, and the first and second regions providing different amounts of light, and
wherein the micro LED chips included in the stacked arrays do not overlap in the light emission direction of the array module.

US Pat. No. 10,998,296

IN-VEHICLE DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING DEVICE

ZKW Group GmbH, Wieselbu...

1. A display device, comprising:a display unit comprising a plurality of semiconductor light emitting devices that are configured to output light to an upper surface of the display unit;
a transparent substrate located on an upper side of the display unit, the transparent substrate comprising a fixing portion that protrudes from a surface of the transparent substrate and that surrounds a side surface of the display unit, wherein the transparent substrate and the fixing portion are made of a same material;
a protective layer that is located at a lower surface of the display unit and that covers the lower surface of the display unit and the fixing portion of the transparent substrate; and
a back cover connected to the protective layer and at least one of the fixing portion or the surface of the transparent substrate,
wherein the protective layer is located between the display unit and the back cover and configured to prevent the display unit from being damaged.

US Pat. No. 10,801,689

METHOD FOR CONTROLLING A MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A method for controlling a motor vehicle headlight, which comprises a laser diode and a light conversion element assigned to the laser diode, wherein light conversion element regions corresponding to different regions of a light image are configured to be illuminated periodically and with a varying intensity with a light beam of the laser diode, wherein an illumination intensity in the light conversion element regions corresponding to the different regions of the light image is configured to be adjusted simultaneously by both a relative illumination duration of the different regions as well as different luminous intensities of the laser diode in the light conversion element regions corresponding to the different regions of the light image, and wherein the relative illumination duration is achieved by pivoting the light beam at varying speeds via the light conversion element regions corresponding to the various areas of the light image, the method comprising: when the light beam is moved with an angular speed below a defined value of the angular speed, deactivating and activating the laser diode to a constant luminous intensity to adjust the relative illumination duration of the regions, and when the light beam is moved with an angular speed above the defined value of the angular speed, setting different luminous intensities of the laser diode to adjust the luminous intensity of the regions, wherein the defined value for the angular speed is between 4000°/sec and 8000°/sec to reduce the problems of electromagnetic shielding.

US Pat. No. 10,773,646

LAMP FOR VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:at least one light source configured to generate light;
a transparent display configured to allow at least a portion of the light to pass through the transparent display; and
a processor configured to control the transparent display to display, on a projection surface using the light, information related to the vehicle or driving conditions for the vehicle,
wherein the processor is configured to display a content on the transparent display such that the light transmitted through an area of the transparent display in which the content is displayed comes in a different color and different brightness over the light transmitted through another area of the display in which the content is not displayed.

US Pat. No. 10,731,814

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:an array module comprising a plurality of micro Light Emitting Diode (LED) chips, the array module having a shape that is concave in a first direction,
wherein the array module comprises:
one or more stepped portions,
a plurality of first regions oriented toward a second direction opposite to the first direction, and
a plurality of second regions oriented toward at least a portion of the array module,
wherein at least a portion of the plurality of micro LED chips is disposed in the plurality of first regions,
wherein the array module further comprises a plurality of subarray modules,
wherein each of the plurality of subarray modules comprises at least one region having a width that increases in a direction from a center of the array module toward a periphery of the array module in a view in which the array module is developed into one plane,
wherein each of the plurality of subarray modules comprises, in the view in which the array module is developed into one plane:
a first side that extends from the center of the array module to the periphery of the array module; and
a second side that contacts the first side at the center of the array module and that extends from the center of the array module to the periphery of the array module, and
wherein the first side and the second side define a predetermined angle about the center of the array module.

US Pat. No. 11,116,071

METHOD FOR PRODUCING A PRINTED CIRCUIT BOARD HAVING THERMAL THROUGH-CONTACTS

ZKW Group GmbH, Wieselbu...


1. A method for producing thermal vias (19) in a printed circuit board, proceeding from a substrate plate (101) with a plurality of boreholes (11, 12, 13, 14) preformed therein, which are formed between a lower surface (A) and an upper surface (B) of the substrate plate (101) and are located at positions where thermal vias are to be produced respectively, the method comprising the following steps:applying a first and a second solder resist mask (21, 31) onto the lower surface (A) and the upper surface (B) respectively, wherein the first solder resist mask (21) has, at the preformed boreholes (11-14), respective regions (23) free from solder resist around the edges (22) of each bore on the lower surface, and wherein the second solder resist mask (31) extends to at least the edges (32) of the boreholes on the upper surface for at least a majority of the preformed boreholes (11-14);
applying solder (16) onto the lower surface (A) and reflow soldering of the solder, wherein the solder penetrates into the bores (11-14) and forms on the lower surface (A) convex menisci (26) protruding beyond the edge (22) of the respective boreholes; and then
clearing regions (35) on the upper surface (B), which regions are predetermined for the contacting of at least one electronic component (18) on the upper surface and respectively comprise at least one of the thermal vias, by removal of the second solder resist mask (31) at least in said regions on the upper surface.

US Pat. No. 11,009,204

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:an array module comprising a plurality of micro Light Emitting Diode (LED) chips, the array module having an emission surface that is concave in a first direction of the array module; and
a lens system configured to change a waveform of light output from the array module, the lens system having a positive optical power that represents a degree of convergence of the waveform through the lens system,
wherein the lens system comprises:
a first lens having a first optical power and including at least one convex surface, and
a second lens having a second optical power and including at least one concave surface.

US Pat. No. 10,890,308

CAR LAMP USING SEMICONDUCTOR LIGHT EMITTING DEVICE

ZKW Group GmbH, Wieselbu...

1. A car lamp, comprising:a half mirror having an upper surface and a lower surface, the half mirror being configured to reflect a part of light incident on the lower surface and discharge another part to an outside;
a reflector that is located below the half mirror and that faces the lower surface of the half mirror;
a transparent substrate that is located between the half mirror and the reflector and that is spaced apart from the half mirror by a predetermined distance;
a plurality of light sources that are located on the transparent substrate, that are located between the half mirror and the reflector, and that are configured to emit light toward the half mirror; and
metal electrodes located on the transparent substrate and configured to reflect light emitted from the light sources toward the half mirror, each of the metal electrodes covering at least a portion of one of the light sources and being configured to apply a voltage to the one of the light sources,
wherein the half mirror and the reflector are spaced apart from each other by a predetermined distance such that the light emitted from each of the light sources is repeatedly reflected by the half mirror and the reflector,
wherein each of the light sources is located on the reflector,
wherein the lamp further comprises an electrode located on the reflector and electrically connected to the light sources, and
wherein the light sources include a reflective film located between two of the light sources.

US Pat. No. 10,876,695

MOTOR VEHICLE HEADLIGHT FOR EMITTING A LONG-RANGE LIGHT PATTERN

ZKW Group GmbH, Wieselbu...

1. A light module for a motor vehicle headlight for emitting light to form a light pattern in an area in front of the light module, the light module comprising:two or more primary light sources (PLQ1, PLQ2) that produce light to form a main light pattern (HLV),
at least one secondary light source (SLQ1) that produces light to form an additional light pattern (ZLV), and
exactly one primary reflector shared by the two or more primary light sources (PLQ1, PLQ2),
wherein:
the additional light pattern overlaps the main light pattern to form an entire light pattern,
the exactly one primary reflector is configured to bundle the light emitted from the primary light sources (PLQ1, PLQ2) and to direct it in the form of the main light pattern (HLV) into an area in front of the light module,
an optical imaging system (AS) is associated with the at least one secondary light source (SLQ1) and is configured to project the light emitted from the at least one secondary light source (SLQ1) in the form of the additional light pattern (ZLV) into an area in front of the light module, and
the main light pattern (HLV) is in the form of a short-range light pattern with a range between 100 meters and 350 meters, and the additional light pattern (ZLV) is in the form of a long-range light pattern with a range between 400 meters and 700 meters, and the entire light pattern (LFL) is in the form of a long-range light pattern.

US Pat. No. 10,775,015

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:a cover lens;
a housing that is coupled to the cover lens and that defines a lamp space with the cover lens;
a light output unit comprising a plurality of light generation groups that are arranged in the lamp space in a first direction; and
a light guide comprising a plurality of optical guides that are located inside of the lamp space and that extend in a second direction that defines an angle with respect to the first direction,
wherein a number of the plurality of optical guides correspond to a number of the plurality of light generation groups,
wherein the plurality of optical guides are stacked in the first direction,
wherein each of the plurality of optical guides comprises one or more optical patterns defined at different locations in the second direction,
wherein the optical patterns comprise a first optical pattern of a first optical guide and a second optical pattern of a second optical guide, the first optical pattern extending in the second direction and the second optical pattern extending from one end of the first optical pattern in the second direction,
wherein each of the plurality of light generation groups generates an amount of light in proportion to its distance from the cover lens, and
wherein, based on a determination that a light generation group is located farther from the cover lens, the light generation group stably outputs a greater amount of light.

US Pat. No. 11,060,684

MOTOR VEHICLE ILLUMINATION DEVICE COMPRISING MICRO-OPTICAL SYSTEMS PROVIDED WITH SUB-DIVIDED INCIDENCE MICRO-OPTICAL ELEMENTS

ZKW GROUP GMBH, Wieselbu...


1. A motor-vehicle illumination device (1) for generating a light distribution, comprising:an optical imaging system (2); and
at least one light source (3) assigned to the optical imaging system,
wherein the optical imaging system (2) comprises a collimator (4), an incidence optical element (5) and an emergence optical element (6), wherein the collimator (4) is arranged between the at least one light source (3) and the incidence optical element (5) and is configured to collimate light beams generated by the at least one light source (3) and to direct the collimated light beams (7) onto the incidence optical element (5) of the optical imaging system (2),
wherein the incidence optical element (5) has a plurality of micro-incidence optical elements (50 to 58) constructed integrally with one another, wherein a first optical axis (50a to 58a) is assigned to each micro-incidence optical element (50 to 58), wherein all first optical axes (50a to 58a) run in the same direction, which direction corresponds to the propagation direction of the collimated light beams (7), wherein the emergence optical element (6) has a plurality of micro-emergence optical elements (60) constructed integrally with one another, wherein a second optical axis (60a) is assigned to each micro-emergence optical element (60), wherein all second optical axes (60a) run in the same direction, wherein each micro-incidence optical element (50 to 58) has a light incidence surface (50b to 58b) facing the collimated light beams and a light emergence surface (50c to 58c) facing the emergence optical element (6), wherein all light emergence surfaces (50c to 58c) form a common surface (8),
wherein at least two differently constructed micro-incidence optical elements (50 to 58) are assigned to each micro-emergence optical element (60) in such a manner that light beams (9a to 9c) incident onto the at least two differently constructed micro-incidence optical elements (50 to 58) and passing through these at least two differently constructed micro-incidence optical elements (50 to 58) are incident exclusively onto the micro-emergence optical element (60) assigned to the at least two differently constructed micro-incidence optical elements (50 to 58) and form different part regions of the light distribution after passage through the micro-emergence optical element (60),
wherein at least one first micro-incidence optical element (54) of the at least two differently constructed micro-incidence optical elements (50 to 58) assigned and/or corresponding to the micro-emergence optical element (60) is constructed in such a manner and corresponds and/or is assigned to the micro-emergence optical element (60) in such a manner that collimated light beams (7) incident onto this at least one first micro-incidence optical element (54) propagate in the direction of an HV region of the light distribution after emergence from the micro-emergence optical element (60), and
wherein at least one second micro-incidence optical element (50 to 53, 55 to 58) of the at least two differently constructed micro-incidence optical elements assigned and/or corresponding to the micro-emergence optical element (60) is constructed in such a manner and corresponds and/or is assigned to the micro-emergence optical element (60) in such a manner that collimated light beams (7) incident onto this at least one second micro-incidence optical element (50 to 53, 55 to 58) propagate in the direction outside of an HV region of the light distribution after emergence from the micro-emergence optical element (60).

US Pat. No. 11,060,685

PROJECTION DEVICE FOR A MOTOR VEHICLE HEADLIGHT AND METHOD FOR PRODUCING A PROJECTION DEVICE

ZKW GROUP GMBH, Wieselbu...


1. A projection device (1) for a motor vehicle headlight, wherein the projection device (1) is configured for projecting light of at least one light source (2) associated with the projection device (1) in a region in front of a motor vehicle in the form of at least one light distribution, the projection device (1) comprising:an input lens system (3) having a plurality of microscopic input lens systems (3a) that are arranged in an array and
an output lens system (4) having a plurality of microscopic output lens systems (4a) that are arranged in an array, wherein:
exactly one microscopic output lens system (4a) of the plurality of microscopic output lens systems is associated with each microscopic input lens system (3a) of the plurality of microscopic input lens systems,
the microscopic input lens systems (3a) are configured in such a way and/or the microscopic input lens systems (3a) and the microscopic output lens systems (4a) are arranged relative to one another in such a way that essentially the entire light exiting a microscopic input lens system (3a) only enters the associated microscopic output lens system (4a),
light preformed by the microscopic input lens systems (3a) is projected in a region in front of the motor vehicle in the form of at least one light distribution by the microscopic output lens systems (4a),
at least one transparent carrier (5) is arranged between the input lens system (3) and the output lens system (4), wherein the at least one carrier (5) comprises at least one first screen device (6), wherein the first screen device (6) is arranged in such a way that essentially the entire light entering the input lens system (3) is directed at the first screen device (6), wherein the first screen device (6) has an optically effective surface (6a), and wherein transparent windows (6b), which are bounded by an essentially opaque coating, are formed in the optically effective surface (6a) in order to produce a predefinable light distribution, and
the opaque coating consists of partial layers that are arranged on top of one another in an at least planar manner, namely a reflective, metallic first partial layer (6?) and a second partial layer (6?) that essentially consists of black, light-absorbing paint, wherein the first partial layer (6?) is arranged between the input lens system (3) and the second partial layer (6?).

US Pat. No. 10,995,927

PROJECTION DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A projection device (1) for a motor-vehicle headlamp, wherein the projection device (1) is configured to image light of at least one light source (2) assigned to the projection device (1) in a region in front of a motor vehicle in the form of at least one light distribution comprising a dipped-beam distribution, wherein the projection device (1) comprises:an entrance optical element (3), which has a number of micro-entrance optical elements (3a), which are arranged in an array,
an exit optical element (4), which has a number of micro-exit optical elements (4a), which are arranged in an array,
wherein exactly one micro-exit optical element (4a) of the number of micro-exit optical elements (4a) is assigned to exactly one micro-entrance optical element (3a) of the number of micro-entrance optical elements (3a),
wherein the micro-entrance optical elements (3a) are constructed in such a manner and/or the micro-entrance optical elements (3a) and the micro-exit optical elements (4a) are arranged in such a manner with respect to one another that essentially all light exiting from a micro-entrance optical element (3a) of the number of micro-entrance optical elements (3a) only enters into an assigned micro-exit optical element (4a) of the number of micro-exit optical elements (4a),
wherein the light pre-shaped by the micro-entrance optical elements (3a) is imaged by the micro-exit optical elements (4a) into the region in front of the motor vehicle as the at least one light distribution,
wherein each micro-entrance optical element (3a) of the number of micro-entrance optical elements (3a) is configured to focus light passing through it into at least one micro-entrance-optical-element focal point, wherein the at least one micro-entrance-optical-element focal point lies between the micro-entrance optical element (3a) and the assigned micro-exit optical element (4a), wherein at least one screen device (8a?, 8a?) is arranged between the micro-entrance optical element (3a) and the assigned micro-exit optical element (4a),
wherein a dipped-beam micro-optical element is constructed at least by the micro-entrance optical element (3a), the assigned micro-exit optical element (4a), and the at least one screen device (8a?, 8a?) lying therebetween,
wherein the at least one screen device (8a?, 8a?) is configured to limit a light distribution imaged by the respective micro-exit optical element (4a) in such a manner that the light distribution radiated by the micro-exit optical element (4a) forms a portion of the dipped-beam distribution, wherein the at least one screen device (8a?, 8a?) has at least one optically effective screen edge (K) imaging a course of a cut-off line of the dipped-beam distribution,
wherein a total number of dipped-beam micro-optical elements comprises at least two groups of dipped-beam micro-optical elements,
wherein a first group of dipped-beam micro-optical elements comprises at least one first variant of screen devices (8a?),
wherein a second group of dipped-beam micro-optical elements comprises at least one second variant of screen devices (8a?), wherein a configuration of the at least one second variant of screen devices (8a?) deviates from a configuration of the at least one first variant of screen devices (8a?) at least in that the at least one second variant screen devices (8a?) comprise an at least partially light-permeable window (F) formed inside a light-shading region (D) extending up to the at least one optically effective screen edge (K) to form a light distribution (Lsign) lying above the cut-off line.

US Pat. No. 10,890,305

LAMP FOR VEHICLE AND VEHICLE

ZKW Group GmbH, Wieselbu...

1. A lamp for a vehicle, comprising:an array module comprising a plurality of micro Light Emitting Diode (LED) chips that are arranged in one or more patterns and that are configured to generate light, the array module having a shape that is concave in a first direction,
wherein the array module further comprises a plurality of subarray modules,
wherein each of the plurality of subarray modules comprises at least one region having a width that increases in a direction from a center of the array module toward a periphery of the array module in a state in which the array module is arranged in one plane,
wherein each of the plurality of subarray modules comprises, in the state in which the array module is arranged in one plane:
a first side that extends from the center of the array module to the periphery of the array module, and
a second side that contacts the first side at the center of the array module and that extends from the center of the array module to the periphery of the array module, and
wherein the first side and the second side define a predetermined angle about the center of the array module.

US Pat. No. 10,876,696

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. A lighting device (1) for a motor vehicle headlight, comprising:a plurality of light sources;
a light guide unit (3) that is made of a light-conducting solid body and comprises a plurality of light guides (3b); and
a downstream projection lens (4) including a focal plane (E),
wherein each light guide (3b) comprises a light incoupling surface (3b?) for coupling light of a light source (2) into the light guide (3b), the light guides (3b) converging toward a shared light outcoupling surface (3a) of the light guide unit (3), the light outcoupling surface (3a) being configured to radiate light into the projection lens (4) and being essentially located in the focal plane (E) of the projection lens (4),
wherein the light guide unit (3) comprises at least one translucent deflection element (6), which extends along the light outcoupling surface (3a) in a rib-shaped manner and protrudes beyond the light outcoupling surface (3a) in the direction of the projection lens (4), or is formed as a recess inside the light outcoupling surface (3a) counter to this direction, the deflection element (6) being designed to at least partially deflect light entering the deflection element (6) from the light outcoupling surface (3a) in the direction of the projection lens (4), the deflection element (6) having a triangular cross-section, and
wherein the triangular cross-section is delimited by three legs (S1, S2, S3), a first leg (S1) of the triangle extending parallel to the optical axis (X), and a second leg (S2) extending parallel to the light outcoupling surface (3a).

US Pat. No. 10,864,847

MOTOR VEHICLE HEADLIGHT WITH AN INTELLIGENT MOTORWAY FLASHER

ZKW GROUP GMBH, Wieselbu...

1. A controller (7) for controlling a motor vehicle headlight (10) comprising a lighting device (3, 5) configured to produce a headlamp flasher signaling function, wherein:the controller is configured, upon activation of the headlamp flasher signaling function, to control the lighting device (3, 5) so that the lighting device (3, 5) produces a headlamp flasher light distribution in the form of a high beam light distribution (LHV) for a defined period of time in an area in front of the lighting device (3, 5) or in an area in front of a vehicle (10),
the controller (7) is configured to receive road information from a road detection device (6, 6?), wherein the road information comprises (i) information about whether a roadway (FB) being traveled by the vehicle (10) is a one-way road that can only be traveled in one direction of travel (R) and whether the roadway (FB) has one or more lanes (FS1, FS2, FS3), and/or (ii) information about whether the roadway (FB) being traveled by the vehicle (10) is a one-way road that can only be traveled in one direction of travel (R) and how many lanes (FS1, FS2, FS3) the road (FB) has,
the controller (7) is configured to receive object information from an object detection system (6) that observes a surrounding area in front of the lighting device (3, 5) or the vehicle (10), wherein the object information comprises (i) information about whether a vehicle object is located in front of the vehicle (10) in a lane (FS1) that is the same as the one being traveled by the vehicle (10) and at what distance the vehicle object is located from the vehicle and/or (ii) information about where on the roadway (FB) the vehicle object is located when viewed in a direction of travel (R) from the vehicle (10) and at what distance (d) from the vehicle (10) the vehicle object is located, and
the controller (7), upon activation of the headlamp flasher signaling function, is configured such that when
the vehicle (10) is located on a one-way road (FB) that can only be traveled in one direction (R) with two or more lanes (FS1, FS2, FS3), and
the lane (FS1) of the vehicle (10) has the vehicle object located in front of the vehicle (10),the controller (7) controls the lighting device (3, 5) to produce a modified headlamp flasher light distribution comprising a modified high beam light distribution (LHV?) that illuminates only one or more subareas (LHV?) of an area (LHV) illuminated by the headlamp flasher light distribution to produce for a defined time duration the modified high beam light distribution (LHV?) to illuminate only the vehicle object driving in front and in the same lane (FS1) as the vehicle (10).

US Pat. No. 10,808,901

CAR LAMP USING HALF MIRROR AND SEMICONDUCTOR LIGHT EMITTING DEVICE

ZKW Group GmbH, Wieselbu...

1. A lamp, comprising:a half mirror having an upper surface and a lower surface, and configured to reflect a part of light incident on the lower surface and discharge another part of the light incident on the lower surface therethrough;
a first reflector located below the half mirror in a spaced manner in a vertical direction so as to face the lower surface of the half mirror;
a plurality of light sources configured to emit light to a space between the half mirror and the first reflector; and
a second reflector located between the light sources and configured to reflect at least some of incident light, wherein the second reflector overlaps a portion of the half mirror at one end of the half mirror,
wherein the half mirror and the second reflector are arranged to face each other, such that light emitted from a part of the plurality of light sources is repeatedly reflected between the half mirror and the second reflector,
wherein the first and second reflectors are located to face each other, such that light emitted from the remaining part of the plurality of light sources is repeatedly reflected between the first and second reflectors,
wherein the plurality of light sources comprise a first light source located above the second reflector, and a second light source located below the second reflector, and
wherein a vertical distance between the first light source and the second reflector is different from a vertical distance between the second light source and the second reflector.

US Pat. No. 11,104,279

VEHICLE VISION SYSTEM WITH ADAPTIVE REVERSING LIGHT

Magna Electronics Solutio...


1. A vehicular vision system, the vehicular vision system comprising:a camera disposed at a vehicle, the camera having a field of view at least rearward of the vehicle, the camera operable to capture image data representative of an area rearward of the vehicle;
a light source disposed at the vehicle and operable to emit light when activated;
wherein the light source comprises a plurality of individually controllable light segments, and wherein each individually controllable light segment of the plurality of individually controllable light segments, when individually activated, illuminates a respective region within the field of view of the camera;
a control comprising an image processor and associated circuitry;
wherein image data captured by the camera is provided to the control for processing by the image processor;
wherein the control, via processing by the image processor of image data captured by the camera, detects first and second objects present in the field of view of the camera;
wherein the control, responsive to detection of the first and second objects present in the field of view of the camera, determines a first region within the field of view of the camera at which the detected first object is located and determines a second region within the field of view of the camera at which the detected second object is located;
wherein the control, via processing by the image processor of image data captured by the camera, determines a first illumination level at the detected first object and a second illumination level at the detected second object;
wherein the control, responsive to the determined first illumination level at the detected first object being greater than an upper threshold level, controls a first individually controllable light segment of the light source for that region within the field of view of the camera at which the detected first object is located to reduce intensity of light emitted by the first individually controllable light segment; and
wherein the control, responsive to the determined second illumination level at the detected second object being less than a lower threshold level, controls a second individually controllable light segment of the light source for that region within the field of view of the camera at which the detected second object is located to increase intensity of light emitted by the second individually controllable light segment.

US Pat. No. 10,969,075

ILLUMINATION DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...

1. An illumination device (51, 52, 53) for a motor vehicle headlight, the illumination device comprising:a lighting means (100), which is configured to emit light beams, wherein the light beams can be collimated by at least one lens system (200) installed downstream of the lighting means in the main direction of radiation,
a polarising beam splitter (300) installed downstream of the at least one lens system (200), which splits the light beams collimated by the lens system (200) into a first and a second linearly polarised beam path (310, 320), wherein the polarisation directions of the beam paths (310,320) are rotated through 90° relative to one another,
a first means for polarisation rotation (400), which is configured to rotate the polarisation direction of the second beam path (320) through 90°, such that the second beam path (320) has the polarisation direction of the first beam path (310),
a reflective means (350), which is configured to redirect the first beam path (310) essentially into the direction of the second beam path (320) altered by the first means for polarisation rotation (400),
a single second means for polarisation rotation (600) installed downstream of the first means for polarisation rotation (400) and the reflective means (350), which second means for polarisation rotation comprises at least one segment, which can be transposed between an active and an inactive state by means of electrical signals, wherein the polarisation of light beams can be rotated through 90° in the active state, and experiences no alteration in the inactive state,
a polarisation filter means (610), which is installed downstream of the second means for polarisation rotation (600), which polarisation filter means (610) is configured to transmit or to block the light beams rotated in terms of polarisation by the second means for polarisation rotation (600) in the active or inactive state respectively, and
at least one projection lens (700), which is provided for purposes of generating a light distribution, or a partial light distribution, of a light function ahead of a motor vehicle,
wherein the first means for polarisation rotation (400) is designed as a Fresnel parallelepiped, wherein one end face of the parallelepiped is mirrored.

US Pat. No. 10,887,959

CIRCUIT ARRANGEMENT FOR GENERATING A REFERENCE VOLTAGE FOR THE POWER SUPPLY OF AN LED ARRANGEMENT

ZKW Group GmbH, Wieselbu...

1. A circuit arrangement (1) for generating a reference voltage (Uref) for the power supply (2) of an LED arrangement (LED), wherein the power supply is configured to supply a feed current (IS) to the LED arrangement on the basis of an input voltage (UB), which current is determined by the magnitude of the reference voltage, the circuit arrangement comprising:a first voltage divider (R1/R2) consisting of two ohmic resistors (R1, R2), which is connected to a constant power supply voltage (UV),
a second voltage divider (R3/R4) consisting of two ohmic resistors (R3, R4), which is connected to the input voltage (UB) of the power supply (2), and
a third voltage divider (R5/R6) which consists of an ohmic resistor (R5) and a temperature-dependent resistor (R6) and which is connected to the constant power supply voltage (UV),
wherein:
the temperature-dependent resistor is thermally coupled to the LED arrangement,
a voltage proportional to the voltage at the centre terminal of the second voltage divider (R3/R4) is supplied to the centre terminal of the first voltage divider (R1/R2) via a first diode (D1),
a voltage proportional to the voltage at the centre terminal of the third voltage divider (R5/R6) is further supplied to the centre terminal of the first voltage divider (R1/R2) via a second diode (D2), and
the voltage at the centre terminal of the first voltage divider (R1/R2) is supplied to the power supply (2) as the reference voltage (Uref).

US Pat. No. 10,876,698

HEADLIGHT MODULE FOR VEHICLES

ZKW GROUP GMBH, Wieselbu...

1. A headlight module for motor vehicles, the headlight module comprising:at least one light source;
at least one deflection mirror, a micromirror array activated by a control system, and a lens, wherein light emitted by the at least one light source is reflected via the at least one deflection mirror onto the micromirror array, and wherein a light pattern produced on the micromirror array is directed to the lens and is projected into traffic space via the lens as a lighting pattern; and
a lens/mirror block formed in one piece comprising the lens in a lens area and the at least one deflection mirror in a mirror area,
wherein the mirror area comprises a reflective coating on a first surface of the lens/mirror block facing the at least one light source,
wherein the lens area comprises a diaphragm coating defining a light passage area on a second surface of the lens/mirror block facing the micromirror array, and
wherein the first surface of the lens/mirror block is adjacent to the second surface of the lens/mirror block, and the first surface and the second surface together form a concave surface of the lens/mirror block.

US Pat. No. 11,124,110

CAR LAMP USING SEMICONDUCTOR LIGHT EMITTING DEVICE

ZKW Group GmbH, Wieselbu...


1. A car lamp, comprising:a light source unit provided with a plurality of semiconductor light emitting devices, and having a planar shape, including a light emitting region emitting light and a non-light emitting region formed along an edge of the light emitting region; and
a filter unit located to overlap the light emitting region so as to transmit only light of a predetermined wavelength band therethrough,
wherein the light emitting region of the light source unit is provided with a plurality of regions, and is configured such that at least one of the plurality of regions selectively emits light,
wherein the non-light emitting region which does not emit light is formed along an edge of each of the plurality of regions,
wherein each of the regions is provided with a light shielding unit located at the edge thereof,
wherein the filter unit comprises:a first filter portion overlapping one of the plurality of regions to transmit only light of a predetermined wavelength band therethrough, and
a second filter portion overlapping another region different from the one region to transmit only light of a wavelength band different from the light of the predetermined wavelength band,

wherein the first and second filter portions and the light shielding unit are located on the same plane, and
wherein a width of the light shielding unit becomes wider toward the light source unit.

US Pat. No. 11,104,265

LIGHTING DEVICE FOR A MOTOR VEHICLE HEADLIGHT

ZKW GROUP GMBH, Wieselbu...


1. A lighting device for a motor vehicle headlight comprising:a light-guiding primary optical element (100), which is arranged in main emission direction of a first light fixture (50) and which, on a side facing the first light fixture (50), has a light coupling-in surface (110) for coupling light beams into the primary optical element (100), a light coupling-out surface (120) on a side facing away from the first light fixture (50) as well as a lateral surface extending between the light coupling-in surface (110) and the light coupling-out surface (120), on which the coupled-in light can be relayed through total reflection in direction of the light coupling-out surface (120) of the primary optical element (100),
a secondary optical element (200, 250, 500) arranged in light emission direction after the light coupling-out surface (120) of the primary optical element (100), which comprises a light coupling-in surface (210, 260, 510) on a side facing the light coupling-out surface (120) of the primary optical element (100) and a light coupling-out surface (220, 270, 520) on a side facing away from the primary optical element (100), which light coupling-out surface is shaped convexly, and
a reflector (400, 410, 420) arranged in light emission direction after the light coupling-out surface (220, 270, 520) of the secondary optical element (200, 250, 500) and provided for generating a light distribution or a partial light distribution of a light function,
wherein the secondary optical element (200, 250, 500) is designed as part of a quadric, wherein the secondary optical element (200, 250, 500) is arranged to guide the light beams emitted by the first light fixture (50) and reaching the light coupling-out surface (220, 270, 520) of the secondary optical element (200, 250, 500), onto the reflector (400, 410, 420) during coupling-out by means of refraction or to let them pass without a change in direction, and wherein an ancillary optics (300) is arranged in main emission direction of the first light fixture (50) in front of the light coupling-in surface (110) of the primary optical element (100), the ancillary optics being arranged to parallelise or focus the light beams emitted by the first light fixture (50) onto one point.

US Pat. No. 11,104,266

CENTRAL PIVOT REGION

ZKW GROUP GMBH, Wieselbu...


1. A motor-vehicle headlamp, comprising:a housing (2);
a plurality of supporting frames (11, 21), which are mounted in an adjustable manner in the housing and in which respective optical components (10, 20) are held, namely a first supporting frame (11) and at least one further supporting frame (21); and
an adjusting device (3), configured for common adjustment of the supporting frames (11, 21) by pivoting about at least one axis (a1, a2) respectively, relative to the housing (2), wherein the adjusting device (3) comprises a gear mechanism (32) actuated by an actuating drive (31), which gear mechanism is connected to the supporting frames (11, 21) by means of respective joint couplings,
wherein the gear mechanism (32) has a multiple-shell concentric ball-and-socket joint (30), in which a connecting element (34) of the actuating drive (31) and connecting elements (14, 24) which are each associated with a respective one the supporting frames (11, 21) are concentrically coupled,
wherein the connecting element (14) of the first supporting frame (11) is rigidly connected to the first supporting frame (11), and
wherein, for the or each of the further supporting frame(s) (21), the connecting element (24) associated therewith is connected to the joint coupling (29) of the respective supporting frame directly or by means of a gear mechanism.

US Pat. No. 11,092,303

VEHICLE LAMP AND CONTROL METHOD THEREOF

ZKW Group GmbH, Wieselbu...


1. A vehicle lamp, comprising:at least one head lamp having a plurality of optical modules spaced apart from each other, each optical module comprising a base substrate and a plurality of light emitting diodes disposed on the base substrate; and
at least one processor configured to control the plurality of optical modules to form a light distribution pattern, wherein the light distribution pattern is formed at a distance from the vehicle lamp,
wherein the at least one processor is configured to:control the plurality of light emitting diodes in each of the plurality of optical modules to form a respective part of the light distribution pattern; and
control the plurality of optical modules to form the light distribution pattern by controlling, among an aggregate group of light emitting diodes in the plurality of optical modules, a first group of light emitting diodes to form a first part of the light distribution pattern, and a second group of light emitting diodes to form a second part of the light distribution pattern,

wherein, based on the first and second group of light emitting diodes being switched on, the first and the second parts of the light distribution pattern are (i) separated in the light distribution pattern at the distance from the vehicle lamp and (ii) adjacent to each other, and
wherein the first group of light emitting diodes is implemented on a base substrate of a first optical module among the plurality of optical modules, and the second group of light emitting diodes is implemented on a base substrate of a second optical module among the plurality of optical modules.

US Pat. No. 11,085,606

HEAT SINK AND VEHICLE HEADLIGHT

ZKW Group GmbH, Wieselbu...


1. A heat sink (100, 110, 120, 130, 140, 150) for cooling an electronic component of a vehicle headlamp (10), the heat sink (100, 110, 120, 130, 140, 150) comprising:a cooling structure comprising a base (103, 123, 153, 203, 213, 223) on which at least two ribs (101, 111, 121, 131, 141) are arranged, the base having an outer contour, which, as viewed along an imagined sectional plane, follows a contour curve, which can be described in at least one section by means of a contour function (350, 351, 352, 353),
wherein a fundamental course is formed from a first superposition of a base function (300, 301, 302, 303) and a fundamental function (310, 311, 312, 313), and the contour function (350, 351, 352, 353) is formed from a second superposition of the fundamental course and a superposition function (330, 331, 332, 333),
wherein the first superposition takes place in that the functional course of the base function (300, 301, 302, 303) forms an axis of a curved coordinate system of the fundamental function (310, 311, 312, 313), and the second superposition takes place in that the functional course of the fundamental function (310, 311, 312, 313) forms an axis of a curved coordinate system of the superposition function (330, 331, 332, 333),
wherein the base function (300, 301, 302, 303) has a straight course, the fundamental function (310, 311, 312, 313) has a straight course, and the superposition function (330, 331, 332, 333) has a triangular course,
wherein the contour function (350, 351, 352, 353) also describes two opposite sides of the outer contour of the heat sink (100, 110, 120, 130, 140, 150), which have a spacing (105, 115, 125, 155, 360, 361) with respect to one another, and the superposition function (330, 331, 332, 333) has a periodic course with a superposition period length (340, 341, 342, 343), and
wherein the superposition period length is at most a third as long as the spacing.

US Pat. No. 11,054,104

MOTOR VEHICLE HEADLAMP

ZKW Group GmbH, Wieselbu...


1. A motor vehicle headlamp (101), comprising:a light source (105);
projection optics (102, 202); and
a bracket (106, 206), wherein the light source (105) is connected with the bracket (106, 206) and configured to project light in the direction of a projection axis (104, 204) by means of the projection optics (102, 202),
wherein the projection optics (102, 202) are secured in a frame (103, 203) movably arranged in the bracket (106, 206), and a lever (107, 207) is further provided that is rotatably connected with the bracket (106, 206) by means of axis elements (115, 215) forming a pivot axis (108, 208) that runs transverse or normal to the projection axis (104, 204), and the frame (103, 203) has at least one lug (110, 210) lying between the bracket (106, 206) and lever (107, 207), and the lever (107, 207) is configured to press against the at least one lug (110, 210) during a rotational motion around the pivot axis (108, 208), thereby displacing the frame (103, 203) in the bracket (106, 206) along the projection axis (104, 204).

US Pat. No. 11,046,248

LIGHT MODULE FOR A MOTOR VEHICLE HEADLAMP

ZKW Group GmbH, Wieselbu...


1. A light module for a motor vehicle headlamp, which light module comprises:at least one optoelectronic component (300), which is arranged in the main emission direction of a first illuminant (110), and which has a controllable arrangement of a plurality of micromirrors (310), which micromirrors (310) are arranged in the form of a two-dimensional matrix, with rows and columns, and can be pivoted independently of one another into a first and a second position, wherein micromirrors (310) that are located in the first position, deflect light beams, which are emitted by the first illuminant (110), onto at least one projection optical unit (400), which at least one projection optical unit (400) is designed to produce a light distribution, or part of a light distribution;
at least one control device (200), which is designed to control the first illuminant (110) and the micromirrors (310) of the optoelectronic component (300); and
a sensor means (600) and a second illuminant (120), wherein the control device (200) is designed to control the sensor means (600) and the second illuminant (120),
wherein:
the micromirrors (310) that are located in the first position deflect the light beams, which can be emitted by the second illuminant (120), onto the sensor means (600),
the sensor means (600) is designed to detect the light beams of the second illuminant (120) deflected by the micromirrors (310) onto the sensor means (600), so as to obtain a value, and to transmit this value to the control device (200), which control device (200) compares the value with a predefined threshold value stored in a memory, and
the control device (200) (i) prevents the first illuminant (110) from being switched on when the predefined threshold value is reached, or (ii) switches on the first illuminant (110) when the value falls below the predefined threshold value.

US Pat. No. 10,889,232

VEHICLE CONTROL METHOD THAT COMPARES A LIGHT DISTRIBUTION PATTERN EXTRACTED FROM AN IMAGE CAPTURED BY A CAMERA WITH A REFERENCE LIGHT DISTRIBUTION PATTERN

ZKW Group GmbH, Wieselbu...

1. A method for controlling a vehicle including at least one camera and a lamp, the method comprising:controlling the at least one camera to capture at least one image of an area in front of the vehicle;
extracting, from the at least one image, a light distribution pattern formed by the lamp in the area in front of the vehicle; and
performing at least one control related to the extracted light distribution pattern, based on a comparison result obtained by comparing the extracted light distribution pattern with a reference light distribution pattern,
wherein performing the at least one control related to the extracted light distribution pattern is performed based on a determination that a vertical structure is located in front of the vehicle,
wherein the method further comprises:
determining that a distance between the vertical structure and a first part of the vehicle is a first distance, and
generating a control command for the vehicle to move the vehicle so that the distance between the vertical structure and the first part of the vehicle is a second distance that satisfies a predetermined condition, and
wherein extracting, from the at least one image, the light distribution pattern formed by the lamp is performed after completion of the movement of the vehicle by the control command.