公开(公告)号：US20190072252A1

公开(公告)日：2019-03-07

申请号：US15767161

申请日：2016-10-24

Applicant: ZKW Group GmbH

Inventor： Andreas MOSER ,  Bernhard MANDL ,  Christian JACKL

IPC: F21S41/275 ,  F21S41/143 ,  F21S43/14 ,  F21S41/68

Abstract: The invention relates to a microprojection light module (1) for a motor vehicle headlight, comprising at least one light source (2) and at least one projection device (3), which images the light exiting the at least one light source (2) into a region in front of the motor vehicle in the form of at least one light distribution, wherein the projection device (3) comprises an entrance lens system (30) including one, two or more micro entrance lenses (31), which are preferably arranged in an array, and an exit lens system (40) including one, two or more micro exit lenses (41), which are preferably arranged in an array, wherein each micro entrance lens (31) is associated with exactly one micro exit lens (41), wherein the micro entrance lenses (31) are designed in such a way and/or the micro entrance lenses (31) and the micro exit lenses (41) are arranged with respect to one another in such a way that substantially all the light exiting the micro entrance lens (31) enters exactly only the associated micro exit lens (41), and wherein the light preshaped by the micro entrance lenses (31) is imaged by the micro exit lenses (41) into a region in front of the motor vehicle as at least one light distribution (LV1to LV5; GLV), wherein a first diaphragm device (50) is arranged between the entrance lens system (30) and the exit lens system (40), wherein at least one second diaphragm device (60, 70) is arranged between the entrance lens system (30) and the exit lens system (40).

公开(公告)号：US20230358385A1

公开(公告)日：2023-11-09

申请号：US18026323

申请日：2021-07-22

Applicant: ZKW Group GmbH

Inventor： Bernhard MANDL ,  Andreas HÖLZL

IPC: F21S41/40 ,  F21S41/147 ,  F21S41/265

CPC classification number: F21S41/40 ,  F21S41/147 ,  F21S41/265

Abstract: Illumination device (10) for a motor vehicle headlight, which comprises the following:



a first light module (100) for producing light distribution,
a bulb shield (300) having a bulb shield (300), which comprises an optically relevant shield edge (310) for producing a cut-off line,
a projection lens (400) with an optical axis (A), which is designed to image the light that can be produced by the first light module (100) in front of the illumination device (10), wherein the projection lens (400) is designed as a Fresnel lens, which Fresnel lens has a base body (410) and several annular steps (420) arranged on the base body (410), wherein each step (420) has a main surface (420a) to project the light beams of the at least one light module (100) in front of the illumination device (10) and a sloping surface (420b) extending from the base body (410) to the main surface (420a), wherein the main surface of each step is curved and has a focal point, which focal point is arranged horizontally and/or vertically displaced from the optical axis of the Fresnel lens, and wherein adjacent steps have different focal points from one another.

公开(公告)号：US20210162910A1

公开(公告)日：2021-06-03

申请号：US16755798

申请日：2018-09-13

Applicant: ZKW Group GmbH

Inventor： Josef HECHENBERGER ,  Bernhard MANDL ,  Jürgen ZORN ,  Riepl KEVIN

IPC: B60Q1/00 ,  F21V8/00 ,  F21S41/24 ,  F21S41/32 ,  B60Q1/04

Abstract: The invention relates to a lighting device for a motor vehicle headlamp, comprising a primary optical element (100) which is arranged in the main beam direction of a first light fixture (50) and which has a light coupling-in surface (110) for coupling in light into the primary optical element (100), a light coupling-out surface (120) as well as a lateral surface which extends between the light coupling-in surface (110) and the light coupling-out surface (120) and on which the light coupled in can be relayed by total reflection in the direction of the light coupling-out surface (120) of the primary optical element (100), a secondary optical element (200) which is arranged after the light coupling-out surface (120) of the primary optical element (100) and which has a light coupling-in surface (210) and a light coupling-out surface (220), and an arranged reflector (400, 410, 420), the secondary optical element (200, 250, 500) being designed as part of a quadric, the secondary optical element (200, 250, 500) being configured to guide the light beams on the reflector (400, 410, 420) by means of refraction or let the light beams pass without a change of direction during coupling, which light beams are emitted by the first light fixture (50) and reach the light coupling-out surface (220, 270, 520) of the secondary optical element (200, 250, 500).

公开(公告)号：US20180320852A1

公开(公告)日：2018-11-08

申请号：US15768317

申请日：2016-10-24

Applicant: ZKW Group GmbH

Inventor： Bernhard MANDL

IPC: F21S41/143 ,  F21S41/265 ,  F21S41/20 ,  F21S41/43 ,  F21S41/275

CPC classification number: F21S41/143 ,  F21S41/24 ,  F21S41/265 ,  F21S41/275 ,  F21S41/285 ,  F21S41/322 ,  F21S41/43 ,  F21S41/635

Abstract: A micro-projection light module (1) for a vehicle headlight, 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 projection arrangement (3) comprises an entry optics (30) having one, two, or more micro entry optics (31) preferably arranged in an array, and an exit optics (40) having one, two, or more micro exit optics (41) preferably 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 designed 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 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 designed in such a way 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).

公开(公告)号：US20240060616A1

公开(公告)日：2024-02-22

申请号：US18234564

申请日：2023-08-16

Applicant: ZKW Group GmbH

Inventor： Taeyang PARK ,  Alexander SCHAGER ,  Bernhard MANDL ,  Kyriakos KOSMAS

IPC: F21S41/43 ,  F21S41/143 ,  F21S41/25

CPC classification number: F21S41/43 ,  F21S41/143 ,  F21S41/25 ,  F21W2102/135

Abstract: Illumination device for a motor vehicle headlight for producing a dipped beam distribution, which has a homogeneous light distribution in the region below the intersection HV up to at least −3° along the vertical line V-V. The illumination device includes: (i) an illuminant for emitting light, (ii) a screen with a screen edge, wherein the screen includes a first and a second screen section, which are connected by a connecting section, and (iii) a projection optics system, which is designed to project the dipped beam distribution towards a main emission direction. The connecting section has a deflection surface, which extends along a plane with a spatial vector, which forms a first angle of 1° to 3°, preferably of 2°, to the first axis, and forms a second angle of 1° to 3°, preferably of 2°, to the main emission direction.

公开(公告)号：US20210108773A1

公开(公告)日：2021-04-15

申请号：US17048004

申请日：2019-05-14

Applicant: ZKW Group GmbH

Inventor： Matthias KEMETMÜLLER ,  Bernhard MANDL ,  Andreas MOSER ,  Friedrich BAUER

IPC: F21S41/25 ,  F21S41/141

Abstract: The invention relates to a light module for a motor vehicle headlamp, comprising: at least one light source (1) and at least one projection device (2), the projection device (2) having an entry optical unit (21) and an exit optical unit (22), the entry optical unit (21) being designed to form an intermediate image from light emitted by the at least one light source (1) in an intermediate image plane, which lies between the entry optical unit (21) and the exit optical unit (22) and is substantially perpendicular to an optical axis of the projection device (2), and the exit optical unit (22) being designed to image the intermediate image into a region in front of the light module in the form of a light distribution of a first predefined type, at least one additional light source (3a, 3b, 3c, 3d) being provided, which at least one additional light source (3a, 3b, 3c, 3d) is designed to emit light between the entry optical unit (21) and the exit optical unit (22); the exit optical unit (22) being designed to image the light emitted by the at least one additional light source (3a, 3b, 3c, 3d) into the region in front of the light module in the form of a light distribution of a second predefined type; the entry optical unit (21) and the at least one additional light source (3a, 3b, 3c, 3d) being designed in such a way and being associated with each other in such a way that neither the at least one additional light source (3a, 3b, 3c, 3d) nor the light emitted by the at least one additional light source (3a, 3b, 3c, 3d) changes the intermediate image.

公开(公告)号：US20200300435A1

公开(公告)日：2020-09-24

申请号：US16769775

申请日：2018-11-27

Applicant: ZKW GROUP GMBH

Inventor： Bernhard MANDL ,  Andreas MOSER ,  Friedrich BAUER ,  Peter SCHADENHOFER

IPC: F21S41/43 ,  F21S41/143 ,  F21S41/153 ,  F21S41/265

Abstract: The invention relates to a projection device (1) for a motor vehicle headlight, wherein the projection device (1) is designed to project light of at least one light source (2) associated with the projection device (1) into a zone in front of the motor vehicle in at least one light distribution pattern, namely a low-beam light distribution pattern, a total number of the low-beam microlenses comprising at least two groups of low-beam microlenses.

公开(公告)号：US20230313962A1

公开(公告)日：2023-10-05

申请号：US18024570

申请日：2021-07-22

Applicant: ZKW Group GmbH

Inventor： Bernhard MANDL ,  Andreas HÖLZL ,  Johann STEINKELLNER ,  Sunjung PARK

IPC: F21S41/43 ,  F21S41/153 ,  F21S41/265 ,  F21S41/255 ,  F21S41/147

CPC classification number: F21S41/43 ,  F21S41/153 ,  F21S41/265 ,  F21S41/255 ,  F21S41/147 ,  F21W2102/135

Abstract: Illumination device (10) for a motor vehicle headlight, which comprises the following:



a first light module (100) for producing light distribution,
a bulb shield (300) having a bulb shield (300), which comprises an optically relevant shield edge (310) for producing a cut-off line,
a projection lens (400) with an optical axis (A), which is designed to image the light that can be produced by the first light module (100) in front of the illumination device (10), wherein the projection lens (400) is designed as a Fresnel lens, which Fresnel lens has a base body (410) and several annular steps (420) arranged on the base body (410), wherein each step (420) has a main surface (420a) to project the light beams of the at least one light module (100) in front of the illumination device (10) and a sloping surface (420b) extending from the base body (410) to the main surface (420a), wherein the sloping surface (420a) forms a slope angle (W2) to the optical axis (A), and wherein the main surface (420a) and the sloping surface (420b) form a step edge (430) in a common surface section line, wherein the slope angle (W2) varies continuously along the circumference of a step edge (430).

公开(公告)号：US20210388964A1

公开(公告)日：2021-12-16

申请号：US17283304

申请日：2019-09-17

Applicant: ZKW Group GmbH

Inventor： Peter SCHADENHOFER ,  Alexander HACKER ,  Josef GÜRTL ,  Bernhard MANDL ,  Christian JACKL ,  Anke MÜLLER ,  Siegmar HACKL

IPC: F21S43/50 ,  F21S43/20 ,  F21S43/14

Abstract: Motor vehicle light module (1) comprising at least one microprojector (2) and at least one at least partially translucent projection screen element (3), the at least one microprojector (2) being configured to create a light distribution (4), the light distribution being projectable in the form of a predefinable luminous pattern (5) onto the at least one at least partially translucent projection screen element (3), wherein, when the motor vehicle light module (1) is in a switched-on state, the predefinable luminous pattern (5) is visible on a side (30) of the projection screen element (3) facing away from the microprojector (2) and contains optically displayed information.

公开(公告)号：US20200370726A1

公开(公告)日：2020-11-26

申请号：US16769696

申请日：2018-11-27

Applicant: ZKW Group GmbH

Inventor： Bernhard MANDL ,  Andreas MOSER ,  Friedrich BAUER ,  Peter SCHADENHOFER

IPC: F21S41/43 ,  F21S41/265 ,  F21S41/143

Abstract: The invention relates to a projection device (1) for a motor vehicle headlight, wherein the projection device (1) is designed to project light of at least one light source (2) associated with the projection device (1) into a zone in front of the motor vehicle in at least one light distribution pattern, a total number of the low-beam microlenses comprising at least two groups of low-beam microlenses.