Hella Gmbh & Co Kgaa

Hella Kgaa Hueck and Company

Hella Kgaa

Carsten Wilks

Boris Kubitza

Udo Venker

Christian Huester

Martin Pluempe

Christian Hüster

Christian Schmidt

Tobias Irmscher

Jacek Roslak

Martin Plümpe

Benjamin Willeke

Marc Kaup

Florian Herold

Thomas Rettweiler

Ingo Moellers

Markus Giehl

Julien Hansen

Christian Smarslik

Philip Stroop

Wolfgang Pohlmann

Michael Kleinkes

Andreas Krauβ

Ralf Edelmeier

Henrik Hesse

Bernd-Ulrich Hagemeier

Susanne Koehler

Jürgen Schmidt

Sarah Knoop

Norbert Brede

Marcel Bursy

Juergen Locher

Stefan Krause

Michael Naber

Sergej Schwarz

Georg Florissen

Martin PLÜMPE

A headlamp for vehicles comprising a light module containing an image generator unit and an optical unit and comprising an actuation device containing an actuation signal for actuating the image generator unit depending on an operating parameter of the vehicle so that a driving course light distribution is imaged on a roadway. The driving course light distribution has a curved guide line with a radius of curvature during cornering of the vehicle. The image generator unit has a plurality of individually actuatable light-emitting elements and an actuation signal is generated so that the light-emitting elements provided for generating the driving course light distribution are deactivated or partially deactivated if the radius of the curved guide line o be imaged during cornering of the vehicle is smaller than a prespecified threshold value radius of curvatures.

Headlamp for vehicles and actuation method

A computer-implemented method for controlling two light modules, comprising the following steps: supplying a first light module with a first electric power and a second light module with a second electric power; determining a first temperature of the first light module and a second temperature of the second light module; and adjusting the first and second electric power as a function of the first and second temperature.

Computer-implemented method for controlling two light modules

A headlamp assembly for illuminating surroundings of a vehicle, including at least one headlamp, a temperature sensor, and a control device. The at least one headlamp comprising a multiplicity of light sources, the multiplicity of light sources (being divided into a first group and at least one second group. The temperature sensor being configured to detect a temperature in the at least one headlamp. The light sources of the multiplicity of light sources being thermally coupled. The control device being configured to ascertain a current temperature ascertained by the temperature sensor in the at least one headlamp and, in the case that the current temperature in the at least one headlamp exceeds a predefined temperature threshold value, to select the first group or the at least one second group for a power reduction, depending on an operating situation of the vehicle and to reduce the power of the selected group.

Headlight assembly and illumination method for illuminating an environment of a vehicle

A process is provided for controlling a headlamp of a motor vehicle. The headlamp includes a first light source module and a second light source module. The light source modules each feature several light sources that emit light. The light emitted by the light sources of the light source module represents a first light distribution, and the light emitted by the light sources of the second light source module represents a second light distribution. The first light distribution and the second light distribution partially overlap. The first light distribution and the second light distribution together form an overall light distribution. A subarea of the overall light distribution is formed only by the first light distribution, and the subarea is a vertical edge area of the overall light distribution.

Process for controlling a headlamp of a motor vehicle

A method for controlling a headlamp of a motor vehicle, the headlamp comprising a plurality of light sources. A projection symbol to be projected by the headlamp and a position and a size of the projection symbol are determined. A respective first luminous intensity for the light sources for the projection of the projection symbol at the position with the size and a first indicator, which contains an indication of how greatly the individual first luminous intensities differ from one another are determined. The position and/or the size of the projection symbol is changed. A respective second luminous intensity for the light sources for the projection of the projection symbol at the changed position and/or with the changed size and a second indicator, which contains an indication of how greatly the individual second luminous intensities differ from one another are determined. The projection symbol subsequently projected.

Method for controlling a headlamp of a motor vehicle

An illuminating device for a motor vehicle, in particular, a high-resolution headlamp for a motor vehicle, comprising an LED light source having a plurality of LED elements, whose light outlet surfaces are used for the targeted generation of pixels of a light distribution generated in the outer region of the motor vehicle during the operation of the illuminating device, the light outlet surfaces being arranged in a matrix-like manner in a first direction and in a second direction perpendicular to the first direction, the first direction corresponding to the horizontal direction in the light distribution generated in the outer region of the motor vehicle, and the second direction corresponding to the vertical direction in the light distribution generated in the outer region of the motor vehicle, and the light outlet surfaces at least of a plurality of LED elements each being larger in the first direction than in the second direction.

High-resolution headlight for a motor vehicle having matrix of LED light sources generating a pixelated light distribution

A control/regulating system is provided for controlling/regulating an LED field with n LEDs, where n&#x3e;2, with outputs at which control/regulating signals for controlling/regulating controllable switching elements can be tapped. Activation/deactivation times of impulses can be defined by the control/regulating system through the control signals/regulating signals. One and/or several controllable switching elements can be actuated during the determined impulses for closing or opening. A number of k groups can be specified. Each LED is allocated to one of the k groups such that each of the k groups mcontains LEDs, where 1&#x2264;j&#x2264;k and &#x3a3;m=n apply, a reference time &#x3b1;=&#x3b1;. . . &#x3b1;can be determined for each group and the activation and deactivation time of the impulse for each LED of every group can be determined as a factor of the reference time &#x3b1;=&#x3b1;. . . &#x3b1;, where 1&#x2264;p&#x2264;mapplies.

Control and/or regulating system, circuit arrangement and procedure for reducing the maximum current in an LED (light-emitting diode) field

An illuminating device for vehicles, including a first light unit, which contains a first light source having a number of first light pixels for generating a first partial light distribution including a second light unit, which contains a second light source having a number of second light pixels for generating a second partial light distribution. The second light pixels are arranged in a boundary region of the second light source and are controllable as a group in such a way that a number of the second light pixels controlled as a group in the boundary region of the second light source per unit of surface area increases from a first end of the boundary region in the direction of a second end of the boundary region.

Illuminating device and homogenisation method for vehicles having two pixelated light sources with two partial light distribution patterns

A method for controlling two lighting modules of a headlight, including the following steps: definition of a non-dazzling region, wherein the non-dazzling region is at least within the second region; reduction of the brightness of the light emitted by the two lighting modules toward the non-dazzling region; determination as to whether an adjacent region exists that directly adjoins the non-dazzling region horizontally and that is a horizontal edge region of the first region; and reduction of the brightness of the light emitted by the first lighting module toward the adjacent region if the adjacent region has been determined.

Method for controlling two lighting modules of a headlight

A method and device for controlling at least one light module of a lamp unit of a vehicle, comprising a light controller and a surroundings detection device, the front surroundings of the vehicle being illuminated with the aid of the light controller and the light module, depending on an object classified as relevant. The lamp unit has a luminance detection device for detecting the luminances of the detected object classified as relevant in the front surroundings of the vehicle and object surroundings of the front surroundings around this object, and the front surroundings of the vehicle are illuminated, depending on the luminance contrast between the object and the object surroundings.

Method for controlling at least one light module of a light unit of a vehicle, light unit, computer programme product, and computer-readable medium

A procedure is provided for actuating at least one main headlamp of a vehicle. The vehicle includes a detection device, and a light control for the automatic actuation of the main headlamp. The main headlamp illuminates an outer area of the area ahead of the vehicle in a first light intensity, and a core area of the area ahead of the vehicle at least partially enclosed by the outer area with a higher second light intensity. The core area is adjusted by the light control in terms of dimension and/or position. In order to improve the visual perceptibility to a vehicle driver of the area ahead of the vehicle, the core area is adjusted in relation to the outer area, and the outer area is adjusted by the light control in such a way depending on the input signal of the light control in terms of dimension and/or position that the vehicle's road and peripheral surroundings) bordering the road in the area ahead of the vehicle are illuminated by the outer area.

Method for actuating at least one main headlamp of a lighting unit of a vehicle, lighting unit, computer program product and machine-readable medium

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.

Headlamp for vehicles

A method is provided for calculating illumination setting values for light sources of a headlamp from a light distribution that is to be set. First, the light distribution that is to be set is read in. Then, the illuminance target values for pixels of an illumination area are calculated from the light distribution that is to be set, which are to be achieved by setting the light sources of the headlamp in order to set the read-in light distribution. Finally, the illuminance setting values for the light sources are calculated from the target values. Further, at least one illuminance setting value to which this light source is set is calculated iteratively for each light source of the headlamp.

Method and device for calculating illuminance setting values for light sources of a headlamp from a light distribution that is to be set

A procedure is provided for actuating at least one light module of the light unit of a vehicle with a plurality of light sources and a light control system automatically actuating the light module. At least two first light distribution arrangements are generated and first data sets corresponding to the first light distribution arrangements are stored in a memory of the light control system. In order to implement a plurality of light distribution arrangements with less effort, at least one second light distribution arrangement is allocated to at least one pairing of two of the at least two first light distribution arrangements, and actuation of the light module for generating this at least one second light distribution arrangement is performed depending on the first datasets of the assigned pairing from the first light distribution arrangements.

Procedure for actuating at least one light module of a light unit, light unit, computer program product and machine-readable medium

A procedure is provided for actuating at least one light module of a light unit of a vehicle, with at least one status recognition device for identifying a vehicle status and/or at least one surroundings recognition device for identifying a vehicle's surroundings, and with a light control system. The light module is automatically actuated by the status recognition device and/or the surroundings recognition device by means of the light control system depending on at least one input signal of the light control system. In order to improve a light distribution adapted to the respective driving situation, the light unit features a light distribution recognition device for identifying a light distribution of a light beam emitted by the light module into the surroundings of the vehicle and that the light module be automatically actuated by means of the light control system depending on at least one input signal of the light control system from the light distribution recognition device. Furthermore, the invention relates to a light unit for a vehicle, a computer program product and a machine-readable medium.

Growing community of inventors

Lippstadt, Germany

Carsten Wilks