Zkw Group Gmbh

Bernhard Mandl

Andreas Moser

Friedrich Bauer

Christian Jackl

Peter Schadenhofer

Andreas Hölzl

Josef Hechenberger

Sunjung Park

Jürgen Zorn

Josef Gürtl

Alexander Hacker

Peter Hartmann

Alexander Thomas Schager

Matthias Kemetmüller

Johann Steinkellner

Siegmar Hackl

Riepl Kevin

Tobias Karas

Martin Sporn

Taeyang Park

Kyriakos Kosmas

Peter Martin Schoderböck

Anke Müller

Matthias KEMETMÜLLER

Kevin Riepl

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.

Illumination device for motor vehicle headlight

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

Lighting device for a motor vehicle headlamp

Illumination device for a motor vehicle headlight

A projection module () for a motor vehicle headlamp, comprising a first light source () and a second light source (), a beam stop (), which is horizontally arranged, and which comprises an optically relevant stop edge () for creating an asymmetric light-dark boundary, wherein the first light source () is arranged on a top side of the beam stop () and, in combination with the stop edge (), contributes to the creation of a low beam distribution, and wherein the second light source () is arranged on a bottom side of the beam stop () and contributes to the creation of a high beam distribution, and a projection lens (), wherein the projection module () comprises an auxiliary stop (), which is vertically arranged below the beam stop (), and which has a vertically extending first optically relevant stop edge (), which is configured to partially shade light from the second light source (), so that a partial high beam distribution can be created, and wherein the auxiliary stop () has a fastening section (), wherein, in the vertical extension in the direction of the beam stop (), the first stop edge () has an end (), which end () has a distance from the beam stop (), and wherein the auxiliary stop () has a second optically relevant stop edge (), which, starting at the end () of the first stop edge (), extends all the way to the fastening section (), wherein, in a projection onto the beam stop (), the second stop edge () defines a gap, which gap, in combination with the second light source (), is configured to create a segment () in the partial high beam distribution.

Projection module for a motor vehicle headlamp

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

Motor vehicle light module

The invention relates to a lighting device () which comprises an imaging unit () which is configured to generate an intermediate light image in an imaging plane (ZBE, ZBE'), wherein each imaging unit () is composed of a light source () and a collimator optics (), wherein the collimator optics () are designed in such a way that the light emitted by the light source () in the imaging plane (ZBE, ZBE&#x2032;) is imaged as an intermediate light image, and wherein the lighting device () comprises a projection lens () which has a focal plane (BE), and the imaging unit () and the projection device () are arranged with respect to one another in such a way that the imaging plane (ZBE, ZBE&#x2032;) lies substantially in the focal plane (BE) of the at least one projection device (). According to the invention, the imaging unit () is designed as a convergence imaging unit () being characterized in that the body (A) of the collimator optics () is designed such that the light, which is coupled into the body (A) via the light coupling region (A) form a collimator body light bundle (KLB, KLB&#x2032;) converging into a common virtual intermediate light image plane (VBE, VBE&#x2032;), wherein the virtual intermediate light image plane (VBE, VBE&#x2032;) lies in front of the imaging plane (ZBE, ZBE&#x2032;) of the convergence imaging unit () in the direction of light propagation, and wherein a light exit surface (C) of the body (A) is designed in such a way that when the collimator body light bundle (KLB, KLB&#x2032;) exits from the body (A), the light beams are deflected at the light exit surface (C) and are formed into an exit light bundle (ALB, ALB&#x2032;) such that the light beams of the exit light bundle (ALB, ALB&#x2032;) form the intermediate light image in the imaging plane (ZBE, ZBE&#x2032;), which intermediate light image lying in the imaging plane is imaged by the projection device () into a region in front of the lighting device (), e.g. into a traffic area in front of the motor vehicle in the case of a lighting device installed in a motor vehicle, as a light distribution or part of a light distribution.

Lighting device for a motor vehicle headlight

The invention relates to a lamp unit () for a motor-vehicle lighting device, comprising: a dipped-beam module (), a main-beam module (), an imaging optical element () connected downstream of the dipped-beam module () and the main-beam module (), having an optical axis () and a focal surface () orientated normal to the optical axis (), and a diaphragm (), which has a diaphragm edge () and extends essentially up to the focal surface () of the imaging optical element () for generating the horizontal cut-off line in a light image generated by the lamp unit (), wherein the diaphragm () has an opaque diaphragm region () and has a transparent diaphragm region () with a geometric structure () made from a transparent material at the diaphragm edge () in the region of the focal surface (), the geometric structure () has at least one prism body () with a triangular cross-sectional area, which is elongated and the longitudinal extent runs substantially transversely to the optical axis (), the at least one prism body () has a first, a second and a third prism surface, the second prism surface () encloses an internal angle &#x3b1;1&#x2265;&#x3b8; with the first prism surface (), and the third prism surface () encloses an internal angle &#x3b1;2&#x2265;&#x3b8; with the first prism surface (), wherein &#x3b8; is the critical angle of total internal reflection of the transparent material, the internal angles &#x3b1;1 and &#x3b1;2 are the same or different, and with the proviso that the internal angle &#x3b1;1 or the internal angle &#x3b1;2 is not 45&#xb0;.

Light unit for a motor vehicle headlamp

Disclosed is a projection apparatus () for a lighting module () of a motor vehicle headlamp, the projection apparatus () being formed by a plurality of micro-optical systems () that are arranged like a matrix; each micro-optical system () includes a micro-input optical element (), a micro-output optical element () associated with the micro-input optical element (), and a micro-diaphragm (), all micro-input optical elements () forming an input optical unit (), all micro-output optical elements () forming an output optical unit (), and the micro-diaphragms () forming a diaphragm device (); the diaphragm device () is disposed in a plane extending substantially perpendicularly to the main direction of emission (Z) of the projection apparatus (), while the input optical unit (), the output optical unit () and the diaphragm device () are disposed in planes extending substantially parallel to one another; all of the micro-optical systems () are subdivided into at least two micro-optical system groups (G, G, G), and the micro-diaphragms () of the micro-optical systems () of each micro-optical system group (G, G, G) can be projected in focus by means of light having at least one optical wavelength (&#x3bb;G, &#x3bb;G, &#x3bb;G) lying within a predefined optical wavelength range, the predefined optical wavelength ranges being different in different micro-optical system groups (G, G, G).

Projection apparatus consisting of a plurality of micro-optical systems, and lighting module for a motor vehicle headlamp

Disclosed is a projection apparatus () for a lighting module () of a motor vehicle headlamp, the projection apparatus () being formed by a plurality of micro-optical systems () that are arranged like a matrix; each micro-optical system () includes a micro-input optical element (), a micro-output optical element () associated with the micro-input optical element (), and a micro-diaphragm (), all micro-input optical elements () forming an input optical unit (), all micro-output optical elements () forming an output optical unit (), and all micro-diaphragms () forming a diaphragm device (); the diaphragm device () is disposed in a plane extending substantially perpendicularly to the main direction of emission (Z) of the projection apparatus (), while the input optical unit (), the output optical unit () and the diaphragm device () are disposed in planes extending substantially parallel to one another; the micro-diaphragm () of each micro-optical system () has an optically effective edge (), all of the micro-optical systems () are subdivided into at least two micro-optical system groups (G, G, G), and the optically effective edges () in the micro-optical systems () from different micro-optical system groups (G, G, G) are positioned differently relative to the associated micro-output optical elements () within the intermediate image plane.

Projection apparatus, lighting module and motor vehicle headlamp consisting of micro-optical systems

The invention relates to a light module for a motor vehicle headlamp, comprising: at least one light source () and at least one projection device (), the projection device () having an entry optical unit () and an exit optical unit (), the entry optical unit () being designed to form an intermediate image from light emitted by the at least one light source () in an intermediate image plane, which lies between the entry optical unit () and the exit optical unit () and is substantially perpendicular to an optical axis of the projection device (), and the exit optical unit () 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 () being provided, which at least one additional light source () is designed to emit light between the entry optical unit () and the exit optical unit (); the exit optical unit () being designed to image the light emitted by the at least one additional light source () 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 () and the at least one additional light source () 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 () nor the light emitted by the at least one additional light source () changes the intermediate image.

Light module for a motor vehicle headlamp

The invention relates to a lighting device for a motor vehicle headlamp, comprising a primary optical element () which is arranged in the main beam direction of a first light fixture () and which has a light coupling-in surface () for coupling in light into the primary optical element (), a light coupling-out surface () as well as a lateral surface which extends between the light coupling-in surface () and the light coupling-out surface () and on which the light coupled in can be relayed by total reflection in the direction of the light coupling-out surface () of the primary optical element (), a secondary optical element () which is arranged after the light coupling-out surface () of the primary optical element () and which has a light coupling-in surface () and a light coupling-out surface (), and an arranged reflector (), the secondary optical element () being designed as part of a quadric, the secondary optical element () being configured to guide the light beams on the reflector () 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 () and reach the light coupling-out surface () of the secondary optical element ().

The invention relates to a projection device () for a motor vehicle headlight, wherein the projection device () is designed to project light of at least one light source () associated with the projection device () 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.

Projection device for a motor vehicle headlight

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

Micro-projection light module for a motor vehicle headlight, for achieving aplanatic light distribution

A micro-projection light module () for a vehicle headlight, comprising at least one light source () and at least one projection arrangement () which images the light emitted from the at least one light source () into an area in front of the motor vehicle in the form of at least one light distribution, wherein the projection arrangement () comprises an entry optics () having one, two, or more micro entry optics () preferably arranged in an array, and an exit optics () having one, two, or more micro exit optics () preferably arranged in an array, wherein each micro entry optics () is paired with precisely one micro exit optics (), wherein the micro entry optics () are designed in such a way and/or the micro entry optics () and the micro exit optics () are arranged relative to one another in such a way that substantially all the light emitted from a micro entry optics () enters precisely only into the paired micro exit optics (), and wherein the light pre-shaped by the micro entry optics () is imaged by the micro exit optics () into an area in front of the motor vehicle in the form of at least one light distribution (LV-LV; GLV), wherein the at least one light source () is paired with an ancillary optics arrangement (), the at least one light source () irradiates the light emitted therefrom into said at least one ancillary optics arrangement (), said ancillary optics arrangement () being designed in such a way that the light emitted therefrom is directed substantially in parallel, and the entry optics () having at least one planar boundary surface ('), wherein the at least one planar boundary surface (&#x2032;) faces the ancillary optics arrangement ().

Growing community of inventors

Ober-Grafendorf, Austria

Bernhard Mandl