Abstract: An illumination device having a light-emitting diode field and an adjustable current source for each LED. The current source delivers a pulse width modulated current having a pulse height. An open-loop/closed-loop controller is provided for the open-loop/closed-loop control of the brightness of the LEDs. A setpoint value for the pulse height can be produced for the current source. A brightness value can be specified for each LED in accordance with the setpoint value, encoded in a video signal, and provided at a video signal output. The light-emitting diode field has a decoder, which is connected to the video signal input and via which the brightness value can be decoded from the video signal and converted into a duty cycle with which the pulse height can be produced.

Abstract: A circuit arrangement for a light having: an input for connection to a supply network; an adjustable voltage source, an input of the voltage source; a matrix of LEDs connected to the output of the voltage source; and a control unit to which the control connection of the voltage source is connected. The circuit arrangement has series circuits including at least one LED and one adjustable current source. The series circuits are connected in parallel, thus forming the matrix. The voltage source adjusts its output voltage to the setpoint voltage value provided by the control connection by the control unit. The control unit has an input for reading in: status information about the temperature in the matrix; measurement values for temperatures of the LEDs; measurement values for the voltages across the current sources; measurement values for the voltage across the matrix; and measurement values for the voltages at the LEDs.

Abstract: A lighting arrangement with a control unit and two LED lighting modules, each comprising an LED matrix. Control information, including an image signal for generating a light image, can be generated with the control unit for each lighting module, and the light image can be generated with the LED matrix of each lighting module, which the control unit has generated for this lighting module. The control unit is connected to the lighting modules for the transmission of the image signals. The first lighting module has a processing unit and a first interface via which the information for the lighting modules can be extracted from the signal generated by the control unit. The processing unit provides the information intended for the second lighting module at the first interface of the first lighting module, and wherein the second lighting module is connected to the first interface of the first lighting module.

Abstract: A headlamp for vehicles is provided with a light source unit a matric of light sources. An optics unit is positioned in front of the light source unit in the main beam direction which focuses the light sources into light spots in a predefined light distribution. The light source unit is positioned at a predefined distance to the light entry surface on the optics unit along an optical axis. An optics element that moves transverse to the optical axis of the light source unit and/or optics unit is placed between the light source unit and a light emission surface of the optics unit. The light spots are in a first position when the adjustable optics element is in a first setting, and the same light spots are offset from the first position along a displacement path when the adjustable optics element is in a second setting.

Abstract: A lighting device for a motor vehicle includes an imaging component that has an active surface on which light-emitting diodes or laser diodes are arranged in a matrix to generate pixels in a light distribution in a targeted manner, and a projection lens with which the light emitted from the active surface is projected outward from the motor vehicle when the lighting device is in operation. The lighting device varies the focal length of the projection lens in a continuous manner.

Abstract: A lighting device for a motor vehicle, in particular a high-definition headlamp, includes an imaging component that has an active surface on which light-emitting diodes or laser diodes are arranged in a matrix to generate pixels in a light distribution in a targeted manner, and a projection lens with which the light emitted from the active surface is projected outward from the motor vehicle when the lighting device is in operation. The lighting device is designed to switch the projection lens from a first setting to a second and from the second setting to the first. The projection lens has a first focal length in the first setting, and a second focal length in the second setting, which is greater than the first focal length.

Abstract: A headlamp for vehicles is provided that has an LED light source containing numerous light pixels. The headlamp also includes an optics unit in front of the light source in the main beam direction (H) with which the light pixels are mapped onto a predefined light distribution (LV1, LV2, LV2?, LV2?). The headlamp also includes a sensor unit for determining at least one vehicle state variable, an adjustment unit for adjusting a part of the headlamp, and a control unit for controlling the light pixels and the adjustment unit. The LED adjustment unit moves the light source in a linear direction transverse to an optical axis (A) of the optics unit, and/or pivoted about the optical axis (A) of the optics unit, from a starting position to an intermediate position and back, on the basis of a change in the vehicle state variable.

Abstract: A quality testing method is provided for a light source in a headlamp, in which the light source contains a matrix of light pixels that can be controlled individually. The light pixels are activated individually according to a test procedure, such that the light source emits light corresponding to a test pattern. The test pattern is recorded by an optical recorder, and the test pattern is compared with a reference pattern with regard to brightness and/or color value.

Abstract: A method for operating a lighting apparatus of a vehicle. A temperature of the light source is recorded while the first light distribution is generated, a temperature change of the light source which is expected to emerge during the transition from the first to the second light distribution is calculated. Should the calculation predict that the transition from the first to the second light distribution would rise to an excessive temperature leading to a temperature above a threshold value in at least one critical region, then the power of at least one of the semiconductor elements is reduced during the control of the semiconductor elements implemented for generating the second light distribution, such that the temperature in the at least one critical region of the light source is not expected to exceed the specified threshold value as a result of the transition from the first to the second light distribution.

Abstract: A headlamp for vehicles is provided with a light source unit a matric of light sources. An optics unit is positioned in front of the light source unit in the main beam direction which focuses the light sources into light spots in a predefined light distribution. The light source unit is positioned at a predefined distance to the light entry surface on the optics unit along an optical axis. An optics element that moves transverse to the optical axis of the light source unit and/or optics unit is placed between the light source unit and a light emission surface of the optics unit. The light spots are in a first position when the adjustable optics element is in a first setting, and the same light spots are offset from the first position along a displacement path when the adjustable optics element is in a second setting.

Abstract: An illumination device for vehicles is provided, and includes a headlamp with an imaging unit for generating a multitude of light pixels that can be actuated individually. The headlamp also includes a lens unit containing a lens arrangement with a number of lenses arranged in a fixed manner to each other. The light pixels of the imaging unit can be mapped to focused light spots at a specified distance. The headlamp also includes an actuator unit for actuating the imaging unit. A first lens unit of a first headlamp is different from a second lens unit of a second headlamp such that the light pixels of the imaging unit of the first headlamp and the second headlamp are mapped to be focused at different distances.

Abstract: A lighting arrangement with a control unit and two LED lighting modules, each comprising an LED matrix. Control information, including an image signal for generating a light image, can be generated with the control unit for each lighting module, and the light image can be generated with the LED matrix of each lighting module, which the control unit has generated for this lighting module. The control unit is connected to the lighting modules for the transmission of the image signals. The first lighting module has a processing unit and a first interface via which the information for the lighting modules can be extracted from the signal generated by the control unit. The processing unit provides the information intended for the second lighting module at the first interface of the first lighting module, and wherein the second lighting module is connected to the first interface of the first lighting module.

Abstract: An illumination arrangement is provided with a control unit, an illumination module including an LED matrix for the generation of light, and a peripheral module connected to the illumination module. The control unit generates data for controlling the illumination module and for controlling the peripheral module. The data for controlling the illumination module and for controlling the peripheral module is transferred to the illumination module. The data for controlling the peripheral module is transferred to the peripheral module. An RGB signal is generated by the control unit for generating a light pattern by the illumination module, and is transferred to the illumination module. The image data of the RGB signal is the data for controlling the illumination module or at least forms a part of the data for controlling the illumination module, and the RGB signal has a range not used for image data.

Abstract: An illumination arrangement includes with a control unit, an illumination module connected to the control unit via a bidirectional first channel that features an LED matrix for generating light, and a peripheral module connected to the illumination module via a second channel. The control unit can be used to generate data for controlling the illumination module and for controlling the peripheral module. The data for controlling the illumination module and data for controlling the peripheral module can be transferred to the illumination module via the first channel. The data for controlling the peripheral module can be transferred from the illumination module to the peripheral module via the second channel. The second channel is a bidirectional channel via which data can be transferred from the peripheral module to the illumination module that, after being received by the illumination module, can be transferred to the control unit via the first channel.

Abstract: 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.

Abstract: An illumination device having a light-emitting diode field and an adjustable current source for each LED. The current source delivers a pulse width modulated current having a pulse height. An open-loop/closed-loop controller is provided for the open-loop/closed-loop control of the brightness of the LEDs. A setpoint value for the pulse height can be produced for the current source. A brightness value can be specified for each LED in accordance with the setpoint value, encoded in a video signal, and provided at a video signal output.

Abstract: 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.

Abstract: An illumination device having a first and second light module each having a light source and an optical unit for generating a first illumination region and a second illumination region, respectively. A control unit controls the first light module and the second light module, so that a larger number of light pixels are imaged in the first illumination region than in the second illumination region with respect to a surface of equal size, wherein the light pixels of the first light module have a greater illumination intensity than the light pixels of the second light module. The control unit acts upon the light sources of the first light module or the second light module such that the light sources of the first and second light module are each operated with a thermal output within a tolerance band and below a maximum thermal output of the at least one light source.

Abstract: A lighting device for a motor vehicle, in particular a headlamp device for a motor vehicle, comprising a first headlamp, which includes a first light module for generating a first light distribution as well as a second light module for generating a second light distribution, the first light distribution of the first headlamp having a higher resolution than the second light distribution of the first headlamp, as well as comprising a second headlamp, which includes a first light module for generating a first light distribution as well as a second light module for generating a second light distribution, the first light distribution of the first headlamp having a higher resolution than the first light distribution of the second headlamp and than the second light distribution of the second headlamp.

Abstract: An illumination device having a first and second light module each having a light source and an optical unit for generating a first illumination region and a second illumination region, respectively. A control unit controls the first light module and the second light module, so that a larger number of light pixels are imaged in the first illumination region than in the second illumination region with respect to a surface of equal size, wherein the light pixels of the first light module have a greater illumination intensity than the light pixels of the second light module. The control unit acts upon the light sources of the first light module or the second light module such that the light sources of the first and second light module are each operated with a thermal output within a tolerance band and below a maximum thermal output of the at least one light source.