Hella Gmbh & Co Kgaa

Benjamin Willeke

Carsten Wilks

Martin Mügge

Bernd Fischer

Carsten Hohmann

Philip Stroop

Marc Kaup

Gerhard Kloos

Christian Schmidt

Mathias Drueppel

Markus Giehl

Julien Hansen

Jan-Henning Willrodt

Carmen Bungenstock

Daniela Karthaus

David Duhme

Claas Tebruegge

Kai Ehlert

Karsten Eichhorn

Lukas Poertner

Rimma Zhytnytska

Thomas Rettweiler

Christian Smarslik

Diana Mundt

Alfons Puls

Mathias Drüppel

Guenther Fischer

Susanne Köhler

William Castellon Rivera

Marcel Bursy

Mathias Niedling

Matthias Ogonda

The invention relates to a headlamp for vehicles with a light source for emitting a light beam and with an optical unit containing a projection lens which deflects a first part of the light beam for generation of a light distribution with a light/dark boundary. A second part of the light beam emitted by the light source is guided in an area above the light/dark boundary of the light distribution for detection of high-mounted traffic signs. The projection lens is configured as a Fresnel lens which comprises arch-shaped first usable edges in an upper half space and in a lower half space for deflection of the first part of the light beam, and which comprises a number of arch-shaped second usable edges exclusively in the upper half space for passage of the second part of the light beam therethrough.

Headlamp for vehicles

A headlamp includes adjacent light sources. A collimator contains adjacent collimating lenses, each with an entry and an exit surface. A secondary optical element has at least one transparent substrate with an entry and an exit surface. Two sections are adjacent to one another on the substrate. An array of cylindrical lenses is placed in a first section, and there is no array of cylindrical lenses in a second section. The light emitted from one light source to pass successively through the entry and exit surfaces of one of the collimating lenses and then through one of the sections of the secondary optical element. An array of refractive structures is placed in the second section, each of which contains a prism on the entry and exit surfaces. The refractive structures cause the light exiting the collimator to pass successively through both prisms of one of the refractive structures.

Headlamp for a motor vehicle

A Fresnel projection lens for a headlight of a motor vehicle having a light entry surface, wherein the light entry surface has a smooth or substantially smooth surface, and with a light exit surface. The light exit surface has a plurality of adjacent, in particular annular, flanks, wherein one flank each comprises a bottom, an effective facet, and an interfering facet arranged at a first pitch angle to the effective facet. The effective facet and the interfering facet form a cut edge opposite the bottom. A pass-through area is provided on at least one of the flanks, wherein the pass-through area is angled to the effective facet.

Fresnel projection lens with integrated function for satisfying overhead sign values

A lamp for vehicles is provided with a number of light modules that are offset or tilted in relation to one another, such that light distributions of the light modules can be overlapped to obtain a homogenous overall light distribution.

Lamp for vehicles

A display device for a motor vehicle is provided. The display device includes at least one display with a display surface for displaying content via a plurality of pixels. The display device comprises a light-guiding lens with at least one entry surface and an exit surface. During operation of the display device the light emitted from the display surface enters the light-guiding lens through the at least one entry surface and is emitted by an exit surface, such that the content is shown on the exit surface. In one embodiment, the exit surface features a different shape. In another embodiment, the exit surface is a different size than the at least one display surface. In another embodiment, the display device comprises several displays with display surfaces at distances to each other, and the light-guiding lens features merely one exit surface or several exit surfaces directly adjoining each other.

Display device for a motor vehicle

A lighting device for a vehicle, in particular a headlight, including a light source, from which light emerges in operation of the lighting device, a collimation optical system having an incident face and an emergent face, which the light emerging from the light source passes through, a projection optical system having a first array of lenses and a second array of lenses, wherein the light emerging from the collimation optical system first passes through the first array of lenses and after that through the second array of lenses, as well as a diaphragm, which the light passes through, wherein the diaphragm is arranged in front of the first array of lenses, so that in operation of the lighting device the light does not strike the first array of lenses until after passing through the diaphragm.

Headlight for a vehicle including a lighting device having a collimation optical system with diaphragm and projection optical system

A lighting device is provided for a motor vehicle. The lighting device comprises at least one imaging component with at least one active surface, on which imaging elements for the generation of pixels of a light distribution are arranged matrix-like. The lighting device further comprises a light-guiding optics having at least one entry surface and one exit surface. During operation of the lighting device, the light emanating from the at least one active surface enters the light-guiding optics through the at least one entry surface and exits the light-guiding optics through the exit surface. The exit surface has a different shape and/or a different size than the at least one active surface, and/or a plurality of active surfaces and only one exit surface or a plurality of adjacent exit surfaces are provided.

Lighting device for a motor vehicle

A method for producing an aperture array for a microlens array, in particular for a microlens array of a vehicle headlamp, comprising at least the following steps: providing a wafer having a microlens array arranged on a first wafer surface, masking a second wafer surface of the wafer by means of a shadow mask, wherein the shadow mask includes a negative of the aperture array, coating the masked wafer surface with an opaque layer, removing the shadow mask and obtaining the aperture array on the second wafer surface.

Method for producing an aperture array for a microlens array

A lighting module for use in a lighting device for a vehicle, having at least one light source unit, a first optical unit and a second optical unit as well as at least one support element, wherein the light source unit comprises at least one light source, and wherein at least the first optical unit and the second optical unit are arranged, in particular in a positionally fixed manner, on the support element, and wherein at least one first reference mark is provided on the first optical unit and at least one second reference mark on the second optical unit. In addition, the invention relates to a lighting device as well as to a method.

Reduced-tolerance lighting device for vehicles

A lighting device having a light source, an optical element associated with the light source and designed as a reflection lens which, in a central region accommodating an optical axis of the optical element, has a lens section which has a first coupling-in surface on a coupling-in side and a first coupling-out surface on a coupling-out side. The light source is tilted and/or is arranged rotated about the optical axis in the plane running perpendicular to the optical axis, with the formation of an obliquely running edge of the light source, and the first coupling-in surface, the second coupling-in surface, the reflection surface, the first coupling-out surface, and/or the second coupling-out surface of the optical element are shaped in such a way that the predetermined light distribution is produced with imaging of the edge of the light source as a cut-off line.

Lighting device for vehicles

A lighting apparatus for vehicles, comprising a light source and comprising an optical unit for generating a specified light distribution, wherein the optical unit has an optical element with a light entry surface for coupling in light emitted by the light source and with a light exit surface, disposed at a distance from the light entry surface, for coupling out the light that has been input coupled at the light entry surface and guided along the principal light guiding direction within the optical element, wherein the optical element is embodied as a layered body with a plurality of layers, wherein at least a number of the layers respectively have sections of materials with different refractive indices.

Lighting apparatus for vehicles

A lighting device for a motor vehicle, in particular a headlamp, comprising at least two, preferably three, light sources, from which light emanates during the operation of the lighting device, the light of each of the light sources differing from that of the other light sources with regard to its wavelength spectrum, comprising modulator, which bring about a modulation of the light emanating from the light sources during the operation of the lighting device, so that information is transmitted by the light, the lighting device having a mixer for mixing the light emanating from the individual light sources, so that white light emerges from the lighting device during the operation of the lighting device.

Illumination device for a motor vehicle

A method for detecting misadjustments of a headlamp of a vehicle and to a device for this purpose. It is provided that the vehicle is provided with a detector with which at least one light signal of another road user is detected, and wherein the vehicle is equipped with a control unit with which light signal information of the detector is captured and by means of which adjustment information for correcting the misadjustment of the headlamp is output as a function of the captured light signal information.

Method for detecting misadjustments of the cut-off line of a headlamp

A headlamp for vehicles comprising at least one light source for generating at least one light beam, a scanning device for one-dimensionally scanning the at least one light beam bidirectionally in a scanning direction, and an array of optical elements arranged side by side in a direction that corresponds to the scanning direction so that the at least one light beam impinges on the optical elements successively. At least some of the optical elements are designed to expand the at least one light beam in a direction perpendicular to the direction, in which the optical elements are arranged side by side.

A lighting apparatus for an automated or partially automated vehicle, having a light module, which contains a light source unit having a number of light sources and an optical unit assigned to the light source unit for generating a light signal, a surroundings sensor unit for detecting road users in surroundings of the vehicle, a control unit for controlling the light module, so that the light module generates the light signal as a function of the road users detected by the surroundings sensor unit and/or a relative position thereof with respect to the vehicle, the light module being positioned in a defined location of the vehicle and being designed in such a way that the light signal may be radiated at different horizontal and/or vertical spatial angles.

Growing community of inventors

Paderborn, Germany

Benjamin Willeke