Abstract: A circuit for driving a vehicle lamp includes a current path coupled between a power line and ground, and a monitoring unit coupled to the power line. The current path includes a dummy load. The monitoring unit can monitor a testing signal applied to the power line. The testing signal can test whether the vehicle lamp operates properly. The monitoring unit can conduct the current path to enable a current to flow through the dummy load to ground to decrease a total resistance of the circuit if the testing signal is detected.

Abstract: A headlamp LED lighting apparatus, which lights an LED block 2 having a plurality of LEDs connected in series, samples the output voltage of the headlamp LED lighting apparatus, calculates the average voltage during every prescribed interval, and has a storage unit for storing the average voltage during every prescribed interval calculated. A control circuit 8 compares the voltage variation in the average voltage during every prescribed interval read out of the storage unit with a prescribed threshold, and decides an LED failure of the LED block 2 from a result of the comparison.

Abstract: An auxiliary lighting energy interruption system for use with snow plows and like front-mounted vehicle accessories is disclosed which facilitates the interconnection of such systems to the lighting system of a vehicle upon which the vehicle accessory is mounted to provide power to and to control the auxiliary lights with the lighting system of the vehicle. The system provides first and second harness portions for respective installation on the vehicle and the vehicle accessory, with the first harness portion having a first configuration when it is not connected to the second harness portion and a second configuration when it is connected to the second harness portion. The first configuration allow the headlights on the vehicle to operate, while the second configuration allows only the headlights on the vehicle accessory to operate, with changes between the first and second configurations being accomplished without the need for a switch or a relay.

Abstract: A vehicle headlamp is provided. The vehicle headlamp includes a light source which is configured to form an additional light distribution pattern which is formed above a cut-off line of a low-beam mode light distribution pattern; a vehicle detection device which is configured to detect a presence of a front running vehicle; a road position detection device which is configured to detect an existing area of a road ahead; and a control unit. The control unit acquires information from the vehicle detection device and the road position detection device and, when the existing area includes a non-detectable area which is outside of a detectable area of the vehicle detection device, controls the light source to reduce an illuminance of the additional light distribution pattern.

Abstract: Right and left lighting devices 3-1 and 3-2 each include an abnormal event informing signal output circuit for outputting an abnormal event informing signal in response to an informing output of the control circuits 6-1 and 6-2. Each abnormal event informing signal output circuit has a circuit configuration that enables the abnormal event informing signal to be supplied to onboard equipment via a signal path common to the two devices.

Abstract: A power converter that receives a plurality of direct current (DC) powers, which are received in different modes and have a common ground and substantially the same potential, and operates a plurality of loads, wherein the power converter operates the respective loads according to input states of the plurality of DC powers and supplies the plurality of loads with power via at least a common switch element or a common coil.

Abstract: A method and headlight adapted to supply power to a dual-mode automobile headlight light source able to provide either main beam mode lighting or dipped beam mode lighting, wherein the light source is supplied with electrical power at a first voltage when it is in main beam mode and at a second voltage when it is in dipped beam mode, the second voltage being lower than the first voltage.

Abstract: An organic light emitting diode display includes a first scan switching element controlled in response to a first scan signal from a first scan line and connected between a first data line and a first node, a first storage capacitor connected between the first node and an AC voltage supply line, a first driving switching element controlled in response to a signal applied to the first node and connected between a second node and the AC voltage supply line, a light emitting element connected between a high-level voltage supply line and the second node, a first sensing switching element controlled in response to a first gate signal from a first gate line and connected between the first data line and the second node, a second scan switching element controlled in response to a second scan signal from a second scan line and connected between a second data line and a third node, a second storage capacitor connected between the third node and the AC voltage supply line, and a second driving switching element controll

Abstract: An illumination system includes an LED lamp, a timer, a controlling circuit, a driving circuit and a power source electrically connected together. The timer produces different signals to the controlling circuit at different periods, thereby driving the LED lamp to lighten with different brightness. A light or movement sensor is further electrically connected to the LED lamp to work together with the timer. The sensor cooperating with the timer, detects light or movement of an object to drive the LED lamp to lighten for a while with a corresponding brightness.

Abstract: An electric power generation control device for a motor vehicle is provided which ensures a satisfactory regenerative effect without entailing flickering of or reduction in life of headlights even if the headlights are turned on at all times. The electric power generation control device lowers the power generation voltage of an alternator when the electricity storage amount of a battery is at or above a predetermined level. While lighting of a headlight bulb is detected, lowering of the power generation voltage is restrained if the state of sunlight is equivalent to nighttime, and the power generation voltage is allowed to be lowered if the sunlight state is equivalent to daytime.

Abstract: A variable lighting system (“VLS”) for optimizing object visibility at night by setting a base level of lighting, adding a variable light to that base level of lighting, and a synchronizing the timing and sequence of the base level of lighting and the variable lighting. The VLS varies the illumination by intensity, color, direction, or a combination thereof and optionally includes a detector for detecting motion, noise, and other occurrences. The VLS can be implemented as a fixed lighting source, a movable lighting source, or a vehicle mounted lighting source. The VLS improves visibility at night for viewers or motorists thereby reducing accidents and damage costs, saves energy, and improves the environment and enhances quality of life by reducing light pollution and light trespass.

Abstract: A method for controlling headlights on a vehicle includes detecting for a wiper switch state for a wiper switch on a vehicle, detecting wiper operations, incrementing a counter value by x until the counter value reaches a headlight ON threshold, counting toward a time threshold, decrementing the counter value by x until the counter value reaches a headlight OFF threshold value, and changing a state of the headlights based on the counter value reaching one of the headlight ON threshold and the headlight OFF threshold. Incrementing the counter value by x can occur in response to each detected wiper operation. Counting toward the time threshold can occur in response to detecting a wiper switch OFF state. Decrementing the counter value by x can occur in response to each instance of the time threshold elapsing with no change from the wiper switch OFF state. A plurality of intermediate counter values can be found between the headlight ON threshold and the headlight OFF threshold. A control system is also disclosed.

Abstract: A headlamp for a vehicle includes: a housing having a front opening; a lens cover arranged to cover the front opening of the housing; a lamp chamber defined by the housing and the lens cover; a light source provided in the lamp chamber; a lighting control circuit that controls lighting of the light source; and a heat dissipating member arranged in the lamp chamber. Further, the lighting control circuit is formed on a substrate. The heat dissipating member has a pillar portion and a plurality of heat dissipating fins. The pillar portion has the light source mounted thereto. The heat dissipating fins are provided on an outer periphery of the pillar portion so as to be spaced from one another. The pillar portion also has a recess formed therein. The substrate is received in the recess of the pillar portion.

Abstract: A regulating circuit for automobile light for outputting an elevated voltage to power an operation of a driving integrated circuit, comprises a first diode having its anode interconnected to an input of the power supply (forward biased) and interconnected to the first diode in serial (reverse biased) and then interconnected to a driving integrated circuit. The first diode is used to detect a maximum voltage input, and the second diode is used to restore its energy to the capacitor so as to keep the voltage output maintained in an elevated level. As a result, the regulating circuit can be used with all kinds of driving integrated circuit incorporated in the automobile headlight.

Abstract: A trailer light converter that is configured to operate lights of a towed vehicle from signals supplied from lighting circuits of a towing vehicle includes at least one input that is adapted to be connected with the lighting circuits of a towing vehicle and at least one output that is adapted to be connected with the lights of a towed vehicle. At least one switch is provided that is responsive to a signal applied to the at least one input to supply electrical power to the at least one output to illuminate at least one light of the towed vehicle. The at least one switch includes a switching transistor and an overload protector. The at least one switch is responsive to the signal applied to the at least one input to change to a low impedance state to supply power to the at least one output. The overload protector is responsive to an overload condition on the at least one output to turn the at least one switch to a high impedance state to remove power from the least one output.

Abstract: An LED vehicle lighting apparatus including a fail-safe function can supply a plurality of LEDs connected in series with a requisite voltage that is larger than a supply voltage of a battery. The vehicle lighting apparatus can include a DC-DC convertor and a subsidiary feed circuit. The DC-DC convertor can be configured to supply the LEDs with a substantially constant current by a controller. At least one output of the subsidiary feed circuit is connected to an LED in the LEDs, and a switching element can also be connected between the LED and ground. When the controller has a breakdown or trouble, LEDs between the LED and ground can be directly lighted by the battery in accordance with a signal provided by the controller. Thus, the disclosed subject matter can provide various LED lighting apparatuses including a user friendly fail-safe function.

Abstract: A headlamp controller includes: a headlamp unit configured to illuminate a front area of a vehicle with a light distribution pattern; an image capturing camera configured to capture an image of the front area; and a light distribution controller including: a road shape detecting unit configured to detect a road shape based on the captured image; a reference optical flow generating unit configured to generate a reference optical flow for a target object belonging to one of attributes based on the road shape; a bright point optical flow measuring unit configured to measure an optical flow of a bright point defined as a target in the captured image; and an attribute determining unit configured to compare the reference optical flow with the optical flow of the bright point and determine which one of the attributes the optical flow of the bright point belongs.

Abstract: A control system for vehicle headlights includes a navigation device and a control unit which controls the illumination characteristics of the headlights depending on geographic location information received by the navigation device. The illumination characteristics are adapted in compliance with predefined illumination settings if the acquired geographic location information shows that the vehicle headlights are being operated on public roads. The illumination characteristics are adapted with further consideration of illumination settings specified by the driver if the location information shows that the vehicle headlights are being operated on non-public roads.

Abstract: A lighting controller of a lighting device for a vehicle includes M (M is an integer of one or more) switching regulators for supplying driving currents to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; a temperature detector; and a control circuit. The first to Nth current driving portions include first to Nth current detecting portions connected to the semiconductor light sources and serving to detect the driving currents respectively; and first to Nth switching portions connected to the semiconductor light sources respectively. The first to Nth current driving portions operates the switching portions corresponding to magnitudes of the driving currents detected by the current detecting portions respectively. The temperature detector detects a temperature and sends a temperature detecting signal when the detected temperature is equal to or higher than a pre-specified temperature.

Abstract: A high-pressure discharge lamp comprising a translucent lamp bulb (1), which extends along a longitudinal axis of the lamp and is attached to a plastic base (2; 302), which is essentially surrounded by a metal shielded enclosure (4; 104), a metal reference ring (8; 208; 308), which is attached to an inner base part (6; 106; 306) of the plastic base (2; 302), and can is adapted to be brought into contact with a lamp module or vehicle headlight, wherein the reference ring (8; 208; 308) has at least one contact section (16; 216; 316), which is in electroconductive contact with the shielded enclosure

Abstract: The invention relates to a method for detecting the visibility outside of a motor vehicle by means of at least two light sensors, in the case of which the intensity of the light reflection of the driving light emitted in the direction of travel is detected by means of a first light sensor, which is oriented in the direction of travel. The first light sensor thereby transmits at least a first evaluation signal to a control unit for further processing at least as a function of the recorded intensity of the light reflection. The ambient light is detected by means of a second light sensor and a second evaluation signal is transmitted to the control unit as a function of the intensity of the ambient light. The control unit correlates the evaluation signals of both light sensors and the light intensity threshold value is determined on the basis thereof.

Abstract: A lighting control apparatus for a vehicle is provided which works to diagnose a malfunction of a light source which includes a plurality of lighting devices such as LEDs and emits light outside the vehicle. The lighting control apparatus determines a state of the vehicle. When the light source is determined to be malfunctioning, the lighting control apparatus operates the light source in one of predetermined warning lighting modes which is selected based on the state of the vehicle. This attracts a vehicle user's attention to the malfunctioning light source.

Abstract: A light source driving circuit for powering multiple light sources in a vehicle includes multiple current limiters and a balance controller. The current limiters are coupled to the light sources for adjusting currents of the light sources respectively. The balance controller coupled to the current limiters can control the current limiters such that a current flowing through each of the light sources is substantially the same as a first target current. Moreover, the balance controller can control the current limiters in response to a brake of the vehicle such that a current flowing through each of the light sources is substantially the same as a second target current.

Abstract: The invention relates to a halogen bulb comprising two filaments that are located (21, 22) in a lamp body (10), a first filament (21) being designed for operation at a higher electrical output than the second filament (22). To fulfil a daylight driving function, the second filament (22) is designed to produce an electrical output that is lower by a factor of 2.5 to 4 than the electrical output of the first filament (21) when operating with a standard operating voltage and is designed in such a way that it can be operated with an operating voltage that is lower than the standard operating voltage in order to produce a dimmed position light function.

Abstract: A system and method relates to electronic adaptive front-lighting of a vehicle, including at least one fixed solid state light source. The fixed solid state light source is configured to illuminate a front peripheral region of a vehicle. In addition, the fixed solid state light source is integrated with a daytime running light module of the vehicle.

Abstract: A light source apparatus includes: a lamp replacement door configured to open and close a lamp replacement window; an igniter replacement door configured to open and close an igniter replacement window which is opened at a position different from the position of the lamp replacement window; a door opening detection switch configured to detect the opening and closing of the lamp replacement door; a circuit breaker device configured, when the opening state of the lamp replacement door is detected by the door opening detection switch, to interrupt power supply to an electric circuit; and a door opening regulation mechanism configured to lock the closing state of the igniter replacement door, and configured to permit the opening of the igniter replacement door.

Abstract: Various approaches for activating a traffic control preemption system. A light bar includes a support structure and a plurality of LED modules individually mounted on the support structure. Each LED module includes a plurality of LED groups, and in at least one of the plurality of LED modules, at least one LED group in the module is an infrared (IR) LED group, and at least one LED group in the module is a visible light LED group. A controller is coupled to each module. The controller is configured to trigger an IR light pulse pattern at a first level of IR radiant power from the at least one IR LED group. The pulse pattern and first level of IR radiant power activate preemption in a traffic control preemption system.

Abstract: The device according to the invention comprises a light source and electronic supply and control. The light source electronic supply and control comprises at least one circuit comprising at least one stack of chips formed from at least two power components (IGBTb1, IGBTh1). According to one embodiment, the light source comprises a discharge lamp and the circuit with stacking is a DC/AC converter supplying the discharge lamp. Preferably, the discharge lamp is of xenon type and the circuit with stacking is included in an electronic ballast of the device. In another embodiment, the circuit with stacking is included in an electronic module associated with the discharge lamp and forming therewith a compact assembly.

Abstract: A unit circuit includes an electro-optical element, a first capacitive element, a second capacitive element, a third capacitive element, a drive transistor, a first switching element, an initialization unit, and a compensation unit. The electro-optical element emits an amount of light in accordance with a magnitude of a drive current. The first capacitive element includes a first electrode and a second electrode, the first electrode is electrically connected to a first node, and the second electrode is capable of receiving a fixed potential. The second capacitive element includes a third electrode and a fourth electrode, the third electrode is electrically connected to a second node, and the fourth electrode is capable of receiving a fixed potential. The third capacitive element includes a fifth electrode and a sixth electrode, the fifth electrode is electrically connected to the first node, and the sixth electrode is electrically connected to the second node.

Abstract: A vehicular vision system includes at least one imaging sensor for sensing images of objects in a forward field of view of the imaging sensor. The imaging system includes a control responsive to an output of the imaging sensor. The control modulates at least one headlamp of the vehicle in response to the output of the imaging sensor. The control may process an output of the imaging sensor to identify a headlamp or taillight of another vehicle in the forward field of view of the at least one imaging sensor and to determine a distance between the controlled vehicle and the identified headlamp or taillight of another vehicle. The control may modulate the at least one headlamp of the vehicle in response to the image processing.

Abstract: A pair of magnetically coupled inductors forms a current-compensated choke arrangement for reducing electromagnetic disturbances and for weakening the effects of glitch pulses during the ignition of a high-pressure discharge lamp. To further reduce these disturbances and glitch pulses, a resistor having a resistance value that is based on the impedance of the inductors within a given frequency range is arranged in series between a voltage source and the ignition device of the high-pressure discharge lamp. A filter capacitor across the input side of the current-compensated choke also further reduces these disturbances and glitch pulses.

Abstract: An electroluminescent device includes a substrate; a light-emitting region including a plurality of sub-pixels including switching elements, portions of an organic planarization layer for covering irregularities caused by the switching elements, reflective layers arranged on the organic planarization layer, protective layers extending over the respective reflective layers, light-transmissive first electrode layers which lie on the respective protective layers and which are electrically connected to the switching elements, portions of an organic light-emitting layer lying over the first electrode layers, and portions of a second electrode layer lying on the organic light-emitting layer; and a non-light-emitting region located outside the light-emitting region. The light-emitting region and the non-light-emitting region are arranged on the substrate.

Abstract: Lighting apparatus 100 lights a light source 2 of a headlamp, and includes: a connection terminal 113 to which a abnormality notification apparatus 200 is connected; a notification signal output unit for outputting a notification signal relating to a condition of the light source 2 and/or a condition of the light source lighting apparatus 100 to the abnormality notification apparatus 200 via the connection terminal 113; and a communication signal output unit for outputting a communication signal having a different signal form to the notification signal to an external communication apparatus 300, from the connection terminal 113. Therefore the notification of an abnormality relating to the light source 2 and/or the light source lighting apparatus 100 and the communication with an external communication apparatus 300 can be performed using a single connection terminal 113.

Abstract: A method for real time control of lighting system includes the steps of: providing a computer, a SCM (2), a digital-to-analog converter (3), and at least one power amplifier (41, 42, 43) connected to the digital-to-analog converter, each of the at least one power amplifiers connects with a lamp; receiving light control data inputted by a user; transmitting the light control data to the SCM; processing the light control data received by the SCM, and generating digital signals by the SCM; transmitting the digital signals to the digital-to-analog converter; converting the digital signals into an analog signals by the digital-to-analog converter, and transmitting the analog signals to the at least one power amplifier; and amplifying the analog signals and controlling the corresponding lamp connected to the at least one power amplifier. A system for real time control of the lighting system is also provided.

Abstract: A lighting device includes: a power converting unit; a voltage measuring unit for measuring an output voltage from the power converting unit or a value equivalent to the output voltage; a current measuring unit for measuring an output current from the power converting unit or a value equivalent to the output current; and a control unit for controlling the power converting unit. When one of the output voltage and the output current of the power converting unit is changed by a specific magnitude per unit hour, the control unit determines that a change in a load status has occurred and controls the power converting unit by switching constant current control in which a measurement value of the current measuring unit is kept at a specific current designated value to constant voltage control in which a measurement value of the voltage measuring unit is kept at a specific voltage designated value.

Abstract: A vehicle exterior lamp includes an optical structure defining a plurality of geometric indicia, and a plurality of light emitting diodes (LEDs) for emitting light. Light emitted by the LEDs is directed towards the optical structure, to interact with the optical structure, and exit the exterior lamp.

Abstract: In a light chamber formed in a housing case and a lens cover placed at a front part of the housing case in a headlamp assembly, a projection lens, a shade and a light source are arranged in line from the front side of the light chamber along an optical axis of the light source. A radiating member has radiating fins of a plate shape vertically placed in the light chamber, and radiates heat energy generated by the light source to surrounding air. A slit composed of a vertical slit part and an inclined-slit part is formed in each of the radiating fins. The formation of the slit generates a change of heat capacity and a temperature difference at upper and bottom parts of each of the radiating fins. The incline-slit part is extended from the top of the vertical slit part to the upper part of the radiating fin.

Abstract: A vehicle controller may be configured to detect a headlight condition wherein a headlight is off and an ambient light level is less than a predetermined threshold, and to reduce electrical power supplied to an electrically powered vehicle interior accessory device in response to detecting the headlight condition to inform a driver that the headlight is off.

Abstract: In a driving method of a road-adaptive vehicle headlight, after a vehicle is started, the headlight of the vehicle is first adjusted to a basic illumination angle. Then, a vehicle driving environment signal, a vehicle speed signal and vehicle body position signals are obtained. Thereafter, according to the aforesaid different vehicle signals, a power source is controlled to change the illumination angle of the headlight and/or LED light sources provided on a base plate of the headlight are differently controlled to turn on or off. Thus, the vehicle headlight can quickly and flexibly produce different headlight beam patterns and wide headlight beam illumination area to ensure good road visibility and increased safety in driving.

Abstract: A road-adaptive vehicle headlight system includes at least one headlight device, which includes a curved base plate divided into an inner-side module, an outer-side module, and a middle module located between the inner-side and outer-side modules, and the middle module is further divided from top to bottom into an upper-side module, a basic module, and a lower-side module; a plurality of LED light sources differently distributed in the above modules; a power source assembly being connected to and driving the base plate to turn in different directions; and a controller electrically connected to the LED light sources and the power source assembly. With these arrangements, the headlight device of a car can quickly produce different light beam patterns, increase the road visibility and the illumination areas of the headlight devices, and accordingly, ensure high safety in driving.

Abstract: A headlamp system for a vehicle comprises: at least one headlamp which is switchable between at least a high beam mode and a low beam mode, in which the headlamp emits a high beam and a low beam respectively, and wherein said high beam is of higher intensity than said low beam; a biased actuator which is movable by a driver of the vehicle between a temporary-on position and an off position, and which is biased from said temporary-on position to said off position; and a headlamp which is arranged to emit a safety flash when said biased actuator is moved to said temporary-on position; wherein the overall duration of the safety flash is automatically limited to a value which is less than 2 seconds.

Abstract: A vehicle head light includes a lighting casing; a lamp unit disposed in the lighting casing; a support member that supports the lamp unit so as to be rotatable at least in two directions; and an actuator that rotates the lamp unit with respect to the support member. The lighting casing includes a lamp housing opened on one side and a cover that closes the opening of the lamp housing. The lamp unit includes a light source and a reflector that reflects light emitted from the light source. The actuator is disposed under the lamp unit. A lower end of the lamp unit is coupled to the actuator. The actuator includes a support portion attached to the support member; and a main unit being supported by the support portion so as to be movable in a front-rear direction. The support portion includes a shaft holding portion on a lower surface thereof. The main unit includes a bearing portion on an upper surface thereof. A driving mechanism is provided in the main unit.

Abstract: A vehicle headlight device includes a lower beam unit for illuminating a lower beam, an upper beam/infrared ray switching unit for switching between illuminating an upper beam and an infrared ray, a low-beam abnormality detecting circuit for detecting an abnormality of the lower beam unit, a power-supply abnormality detecting circuit for detecting an abnormality of a power supply of the vehicle headlight, and a control circuit that inhibits the upper beam/infrared ray switching unit from illuminating the infrared ray when an abnormality is detected by either the low-beam abnormality detecting circuit or the power-supply abnormality detecting circuit.

Abstract: An illumination lighting device is provided with: a power converter circuit having a configuration in which an input terminal to which a power supply can be connected and an output terminal to which a load circuit including at least a lamp can be connected are galvanically insulated, and having a power regulating function required by the lamp; output detection means which is provided at the output terminal of the power converter circuit and has first current detection means and second current detection means; and a control circuit for regulating the output of the power converter circuit based on a result of detection performed by the output detection means, wherein one end of the output of the power converter circuit is connected to one end of the load circuit via the first current detection means, one end of an input of the power converter circuit is connected to the one end of the load circuit via the second current detection means, the output detection means has the result of the detection which is a synth

Abstract: Problem to be Solved: In left and right independent lighting power sources, even when left and right light-emitting units each including one or a plurality of LEDs light up with a time difference, the quality of emission as headlamps is increased by making it difficult to visually identify the time difference. Solution: A DC/DC converter for supplying the electric power supplied by a battery to the light-emitting unit is operated to change the current supplied to the light-emitting unit such that the current is gradually increased to attain a rated current, to thus avoid the case where one of the left and right headlamps enters a lighting state, when the other does not light up yet.

Abstract: A motor vehicle headlight module having at least two lighting units (1) is specified. Here, each lighting unit (1) comprises at least one light-emitting diode chip (2). Different lighting units (1) are provided here for different lighting functions. Furthermore, the motor vehicle headlight module has a common heat sink (6) for the lighting units, to which heat sink the lighting units are thermally connected, and a common current-stabilizing electronic system (8) for supplying voltage to the lighting units.

Abstract: When a current which is conducted from a direct current power supply 8 to a choke coil L1 after a switching transistor 7 is turned on has a predetermined value, an LED lighting device lights up an LED series circuit by conducting a pulse-shaped current which occurs by turning off the switching transistor 7 to the LED series circuit. A cycle period at which the pulse-shaped current is generated is determined according to the average value of the current flowing through the LED series circuit by using an oscillator (VCO) 4. The LED lighting device controls each of the pulse-shaped current value and the average current value arbitrarily.

Abstract: A vehicle exterior lamp is provided with an array of light emitting diodes (LEDs) with rows and columns and each LED positioned at an intersection thereof. An LED is illuminated by selectively applying a signal to the row and column corresponding to the LED position. A vehicle headlamp lighting system is provided with an array of LEDs with rows and columns, and each LED positioned at a row and column intersection. The lighting system has a control module for selectively illuminating the LEDs by applying a signal to the rows and to the columns corresponding to the location of the LEDs to be illuminated. A vehicle headlamp is provided with an optical structure for reflection and refraction of light and LEDs. Light emitted by the LEDs interacts with the optical structure and exits the headlamp in a generally perpendicular direction to the LED emitted light.

Abstract: A head light for a motor vehicle has a light source for generating a beam of light as well as a electronic beam steering module for steering the beam of light and/or a electronic beam shaping module for shaping the beam of light, wherein the head light has a light filter for eliminating at least the substantial portion of red light from the light generated by means of the light source.

Abstract: A main beam switching arrangement for a road vehicle has a lighting device switchable over main beam and dipped headlamps. A sensor device determines at least one ambient parameter, and a control unit with an activatable and deactivatable automatic function automatically switches over the lighting device as a function of the ambient parameter. An operator control unit generates switchover signals by an operator to manually bring about switching over the lighting device with priority. In each case, at least one change of state of the automatic function can be brought about by a first switchover signal for switching on continuous operation of the main beam that is not occurring at the time of signal generation. By way of a second switchover signal, continuous operation of the main beam, which is occurring at the time of signal generation, is switched off.