Zkw Group Gmbh

Zizala Lichtsysteme Gmbh

Friedrich Bauer

Andreas Moser

Bernhard Mandl

Johann Altmann

Erich Kaufmann

Markus Reinprecht

Bettina Reisinger

Christian Jackl

Dietmar Kieslinger

Peter Schadenhofer

Josef Pürstinger

Udo Maier

Matthias Kemetmüller

Thomas Schlinger

Martin Biesenberger

Erik Pirringer

Gerald Boehm

Gerald Böhm

Peter Mejta

Peter Illmayr

Marcel Rauch

Gerhard Honauer

Matthias KEMETMÜLLER

Balan Petru

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 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 light guiding element () for a laser vehicle headlight (), wherein the laser vehicle headlight () comprises at least one laser light source () and at least one luminous element () which can be irradiated by the laser light source () and can thus be excited to emit visible light, and the light guiding element () can substantially be arranged between the laser light source () and the luminous element (), wherein the light guiding element () has a light entrance surface () and a light exit surface (), wherein the entrance cross-sectional area of the light entrance surface () is greater than the exit cross-sectional area of the light exit surface (), and the light radiated in through the light entrance surface () can be concentrated in the direction of the light exit surface () via the inner surface () connecting the light entrance surface () and the light exit surface (). The invention additionally relates to a vehicle headlight () comprising at least one light guiding element () of this type.

Light guiding element for a laser 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 arrangement (), which images the light exiting from 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 arrangement () comprises: an entry optics (), which consists of an array of micro entry optics (); an exit optics (), which consists of an array of micro exit optics (), wherein each micro entry optics () is paired with exactly one micro exit optics (), wherein the micro entry optics () are formed 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 the light exiting 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 a region in front of the motor vehicle as at least one light distribution (LV-LV; GLV).

Microprojection lighting module for a motor vehicle headlight

The invention relates to a method for producing a lighting unit of a vehicle headlight, comprising the following steps: provision of a printed circuit board () comprising a plurality of groups (A, B, C) of contact pads () for contacting LEDs (), population of contact pads () in the groups (A, B, C) with LEDs (), wherein the contact pads () to be populated are selected according to a desired light function of the respective group (A, B, C), and provision of securing means (A&#x2033;, B&#x2033;, C&#x2033;) for reflectors (A', B&#x2032;, C&#x2032;) on the printed circuit board (), wherein each securing means (A&#x2033;, B&#x2033;, C&#x2033;) is specifically designed for a reflector (A&#x2032;, B&#x2032;, C&#x2032;) that is adapted to the light function of the respective group (A, B, C).

Method for producing a headlight assembly

The invention relates to an optical element () for a laser vehicle headlight (), wherein the laser vehicle headlight () comprises at least one laser light source () and at least one luminous element () which can be irradiated by the laser light source () and can thus be excited to emit visible light, wherein the optical element () has at least one receptacle for the luminous element () and at least one reflection layer () which reflects light in the direction of the laser light source () is assigned to the optical element () at least on a side of the luminous element () which faces away from the laser light source () in the mounted state. The invention additionally relates to a light source module () comprising at least one optical element () of this type, and a vehicle headlight () comprising at least one optical element () of this type or comprising at least one light source module () as mentioned initially.

Optical element for a laser vehicle headlight

The invention relates to a light module () for a motor vehicle or for a motor vehicle headlamp, wherein the light module () has at least two or more light sources (), which are positioned in defined positions relative to one another, and wherein the light module () also has two or more reflectors (), wherein at least one reflector () is associated with each light source (), wherein at least one of the reflectors () is movably connected to at least one adjacent reflector ().

Light module with two or more reflectors for a motor vehicle

A motor vehicle headlight with at least one modulable laser light source, whose laser beam is directed onto a means of light conversion through a means of beam deflection controlled by a beam deflection control, and with a projection system to project the light image produced by the means of light conversion onto the road, wherein a first group of at least two laser light sources is provided to produce a first group of at least two essentially horizontal light bands lying on top of one another on the means of light conversion and a second group of at least two laser light sources is provided to produce a second group of at least two essentially horizontal light bands lying on top of one another on the means of light conversion, wherein the light bands of the first group and the light bands of the second group overlap one another.

Headlight for a motor vehicle and method for distributing light

The invention relates to a lamp unit () for a headlight, in particular a motor vehicle headlight, the lamp unit () comprising multiple light sources (), a light guide unit (), and a downstream projector lens (), the light guide unit () having multiple light guides (), each light guide () having one light decoupling surface () and one light coupling surface (), and each light source () coupling light exactly into a light guide () assigned to it through a light coupling surface (). The invention provides that 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 () coupling light essentially exclusively into the light conducting rod coupling areas () of the light conducting rods () assigned to the respective light source (), 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 ().

Headlight assembly comprising light-conducting rods for a headlight

The invention relates to a light guiding element () for a laser vehicle headlight (), wherein the laser vehicle headlight () comprises at least one laser light source () and at least one luminous element () which can be irradiated by the laser light source () and can thus be excited to emit visible light. The light guiding element () has a first side (), which is designed at least partly as a light entrance surface (), and a second side () arranged opposite the first side (), said second side being designed at least partly as a light exit surface () and being assigned at least one receptacle () for at least one luminous element (), wherein the light entrance surface () is assigned at least one first reflection region () which is oriented in the direction of the interior of the light guiding element () and reflects light from the light entrance surface () in the direction of the receptacle () for the luminous element (), and wherein the light exit surface () is assigned at least one second reflection region () which is oriented in the direction of the interior of the light guiding element () and reflects light from the luminous element () in the direction of the light exit surface (). The invention furthermore relates to a vehicle headlight () comprising at least one light guiding element of this type.

The invention relates to a light source module () for a vehicle headlight (), wherein the light source module () has at least one laser light source () and at least one luminous element () which can be excited by illumination with laser light to emit visible light and which can be irradiated by the laser light source (), wherein the laser light source () and the luminous element () are arranged spaced apart from one another on a carrier element () and light source module () has means () which are arranged on the carrier element () in order to be detachably mounted in the vehicle headlight. The invention also relates to a vehicle headlight () with at least one such light source module ().

Vehicle headlight with laser light source

An LED projection module () includes two or more LED light sources which each consist of one or more light-emitting diodes that couple light via a light coupling-in point associated therewith into an optical waveguide. Light exits from the optical waveguides via a light decoupling point. The exiting light is projected by a projection lens to form at least one light distribution. The optical waveguides for the individual LED light sources are arranged laterally side by side in a horizontal plane and border one another directly such that light can pass over between adjacent optical waveguides. The individual light outlet surfaces are arranged side by side and form a total-light light outlet surface. One or more indentations are provided in the total-light light outlet surface, between the individual light outlet surfaces, and in each case extend at least over part of the vertical extension of the total-light light outlet surface.

LED projection module

The invention relates to a light module () 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, and wherein the light module () comprises at least two reflectors (), and wherein each reflector () is associated with at least one LED light source (). At least one of the reflectors () is of the LD front-field reflector type, and at least one further reflector () is of the asymmetric reflector type. 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, and all reflectors () can be arranged in exactly one defined position with respect to the LED light sources () associated therewith. Reflectors () of the asymmetric reflector type and reflectors () of the LD front-field reflector type are configured in such a way that, with arrangement of at least one reflector () of the asymmetric reflector type in the defined position thereof and 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 (HD) of the at least one reflector () of the asymmetric reflector type and/or by the horizontal LD line (HD) of the least one reflector () of the LD front-field reflector type.

Growing community of inventors

Bergland, Austria

Friedrich Bauer