In a method for controlling a headlamp system for a vehicle, the headlamp system having two headlamps, set apart from each other, road users are detected in front of the vehicle in the driving direction, and a first total light pattern is able to be produced, in which the illumination range on a first side of a center axis is greater than on the other, second side of this center axis, and a second total light pattern is able to be produced, in which the total light pattern is controllable such that it has an illumination range in the direction of at least one detected road user that is less than the distance to the detected road user, and which has an illumination range in another direction that is greater than the distance to the detected road user During the switch from the first total light pattern to the second total light pattern, the illumination range of at least one headlamp on the first side of the center axis is first reduced to at least such an extent that it is less than the distance to the detected road user, the second total light pattern being produced subsequently

Method for controlling a headlamp system for a vehicle, and headlamp system

A headlight controller, an optical unit (20L, 20R) and a vehicle headlight can include a headlight controller and an optical unit (20L, 20R). The headlight controller can include a system controller (11) and a camera (10) photographing vehicles located in a forward direction thereof, and the system controller (11) can be configured to output a control signal to provide various favorable light distribution patterns by using image data output from the camera (10) in accordance with traffic conditions. The optical unit (20L, 20R) can be configured to emit beam lights each having a light-emitting angle using lights emitted from first and second white LEDs (LED1-LED7) via a projector lens (41) so that the beam lights can be used as a high and low beam without movable parts. Thus, the disclosed subject matter can include providing vehicle headlights that can form various favorable light distribution patterns by utilizing the characteristics of the controller and the optical unit (20L, 20R) in accordance with the traffic conditions.

Headlight controller, optical unit and vehicle headlight

The present invention relates to a method for controlling a headlight arrangement for a vehicle (10), in which traffic participants (11, 12) are detected in front of the vehicle (10) in the direction of travel and the light distribution produced by the headlight arrangement is regulated in such a manner that it has a light width in the direction of at least one detected traffic participant (12), which is smaller than the distance to the detected traffic participant (12), and has in another direction a light width which is greater than the distance to the detected traffic participant (12). The method according to the invention is characterized in that the light width in the other direction is regulated as a function of the horizontal angle (Φ) between the direction of travel of the vehicle (10) and the connecting line from the vehicle (10) to the detected traffic participant (12) or an additional detected traffic participant (11).

Method for controlling a headlight arrangement for a vehicle and such a headlight arrangement

A vehicular headlamp device includes a pair of lamps (LHi, RHi), a light illumination region (PLHi) of one of which is divided into a plurality of zones (VZ) in one direction, and a light illumination region (PRHi) of the other of which is divided into a plurality of zones (HZ) in a direction crossing the one direction, and a control unit (ECU) configured to control the illumination light quantity of each of the zones. The vehicular headlamp device is configured to obtain a required light distribution pattern (PHi) by superposing the light illumination regions (PLHi, PRHi) of the pair of lamps (LHi, RHi).

Vehicular Headlamp Device

A light distribution control system (100) includes automotive headlamps (210) capable of controlling the range of illumination in a front area of a vehicle, a camera (306) for taking the images of the front area of the vehicle, and a vehicle control unit (302) that detects a forward vehicle based on the images picked up by the camera (306), and controls the illumination range of the automotive headlamps (210) in a manner such that the illumination is applied around the forward vehicle while the illumination of the automotive headlamps (210) toward the detected forward vehicle is suppressed. The vehicle control unit (302) controls the automotive headlamps (210) in a manner such that the size of a space between the forward vehicle and the illumination range varies according to the position of the forward vehicle in the horizontal direction.

Light distribution control system for automotive headlamp

Es wird ein System zum Erzeugen eines Lichtbundels im Vorfeld eines Kraftfahrzeuges beschrieben, dass folgende Komponenten umfasst: - einen Scheinwerfer, der mindestens ein LED-Array aus mehreren, separat elektrisch ansteuerbaren Leuchtdioden (LEDs) umfasst, - eine Objektdetektionseinrichtung zum Detektieren von Objekten im Umfeld des Kraftfahrzeugs, - eine Positionsbestimmungseinrichtung zur Bestimmung der Position eines erkannten Objekts relativ zum Kraftfahrzeug. Dabei ist das von dem LED-Array in Verbindung mit einem optischen Abbildungssystem erzeugte Lichtbundel durch zumindest eine horizontale Beleuchtungsstarke- Verteilung charakterisierbar, bei dem die Beitrage von mindestens zwei LEDs zur Beleuchtungsstarke-Verteilung zumindest teilweise horizontalwinkelmasig uberlappen, wobei die Beleuchtungsstarke jeweils fur a) verschiedene Positionen vor dem Kraftfahrzeug und b) verschiedene horizontale Winkel relativ zu einer Referenzrichtung definierbar ist. Fur ein detektiertes Objekt wird dann jeweils in Abhangigkeit von der Position des Objekts zum Kraftfahrzeug und in Abhangigkeit einer angenommenen oder ermittelten Objektbreite ein blendungskritischer Horizontalwinkelbereich ermittelt sowie die einzelnen LEDs unter Berucksichtigung der horizontalwinkelmasigen Uberlappung ihrer Beitrage zur Beleuchtungsstarke-Verteilung derart angesteuert, dass im blendungskritischen Horizontalwinkelbereich und bezogen auf die Position des detektierten Objekts ein Beleuchtungsstarkegrenzwert nicht uberschritten wird.

System zum erzeugen eines lichtbündels im vorfeld eines kraftfahrzeuges

A system for producing a light beam in the front area of a vehicle includes a headlamp with an LED array, a device for detecting objects in the area, a device for determining the position of a detected object relative to the vehicle. The light beam produced by the array has a horizontal illuminance distribution wherein the horizontal angles of the contributions of at least two LEDs to the illuminance distribution overlap at least partially, each illuminance being selectively varied for different positions in front of the vehicle and different horizontal angles relative to a reference direction. Depending on the detected object's position to the vehicle and an object width, a glare-critical horizontal angle range is determined, and the individual LEDs arc controlled, under consideration of how much the horizontal angle ranges of their contributions to the illuminance distribution overlap, such that an illuminance limit value is not exceeded.

System for generating a light beam in the area in front of a motor vehicle

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System zum erzeugen eines lichtbündels im vorfeld eines kraftfahrzeuges

System for generating a light beam in the area in front of a motor vehicle