F21S41/663

Light device capable of generating a source with fine pixels
11162657 · 2021-11-02 · ·

A light module, notably of a vehicle, including a semiconductor light source including a plurality of light-emitting units of submillimetric dimensions distributed in different selectively activatable light zones, at least one optic, capable of receiving the light rays emitted by the selectively activatable light zones and of deflecting them out of the light module, the shaping optic being arranged in such a way as to form an image of the light source including a plurality of pixels, the light source and the optic being arranged in such a way that these pixels exhibit an angular aperture of at most 0.4° in at least one given direction.

Light device capable of generating a source with fine pixels
11162657 · 2021-11-02 · ·

A light module, notably of a vehicle, including a semiconductor light source including a plurality of light-emitting units of submillimetric dimensions distributed in different selectively activatable light zones, at least one optic, capable of receiving the light rays emitted by the selectively activatable light zones and of deflecting them out of the light module, the shaping optic being arranged in such a way as to form an image of the light source including a plurality of pixels, the light source and the optic being arranged in such a way that these pixels exhibit an angular aperture of at most 0.4° in at least one given direction.

Illumination Device for a Motor Vehicle Headlight

Illumination device (10) for a motor vehicle headlight, which comprises the following: a first light module (100) for producing light distribution, a bulb shield (300) having a bulb shield (300), which comprises an optically relevant shield edge (310) for producing a cut-off line, a projection lens (400) with an optical axis (A), which is designed to image the light that can be produced by the first light module (100) in front of the illumination device (10), wherein the projection lens (400) is designed as a Fresnel lens, which Fresnel lens has a base body (410) and several annular steps (420) arranged on the base body (410), wherein each step (420) has a main surface (420a) to project the light beams of the at least one light module (100) in front of the illumination device (10) and a sloping surface (420b) extending from the base body (410) to the main surface (420a), wherein the sloping surface (420a) forms a slope angle (W2) to the optical axis (A), and wherein the main surface (420a) and the sloping surface (420b) form a step edge (430) in a common surface section line, wherein the slope angle (W2) varies continuously along the circumference of a step edge (430).

HEADLIGHT SYSTEM FOR VEHICLES

A headlamp system is provided for vehicles with an imaging unit and with an optical unit. The optical unit generates a light distribution that features a plurality of light patches. The light patches are each generated by mapping of at least one light pixel of the imaging unit. An actuator unit includes a corrective mechanism, by which, in event of presence of a defective light pixel that cannot be mapped by the optical unit on a light patch, at least one corrective light pixel is actuated, by means of which a light patch adjacent to the defective light patch not illuminated by the defective light pixel features a changed intensity progression in comparison to non-defective state. At least one flight patch adjacent to the defective light patch features an increased corrective intensity progression in comparison to the non-defective state.

HEADLIGHT SYSTEM FOR VEHICLES

A headlamp system is provided for vehicles with an imaging unit and with an optical unit. The optical unit generates a light distribution that features a plurality of light patches. The light patches are each generated by mapping of at least one light pixel of the imaging unit. An actuator unit includes a corrective mechanism, by which, in event of presence of a defective light pixel that cannot be mapped by the optical unit on a light patch, at least one corrective light pixel is actuated, by means of which a light patch adjacent to the defective light patch not illuminated by the defective light pixel features a changed intensity progression in comparison to non-defective state. At least one flight patch adjacent to the defective light patch features an increased corrective intensity progression in comparison to the non-defective state.

VEHICLE LIGHT FIXTURE SYSTEM, LIGHT DISTRIBUTION CONTROL DEVICE, AND LIGHT DISTRIBUTION CONTROL METHOD

A vehicle light fixture system includes: a low-beam unit adapted to form a low-beam light distribution pattern having a cutoff line and to independently adjust illuminance in a plurality of subareas in the low-beam light distribution pattern arranged below and along the cutoff line; and a light distribution control device that controls the low-beam unit to form a first reduced illuminance portion in, of the plurality of subareas, the subarea having a position in a vehicle width direction overlapping a position of a vehicle in front in the vehicle width direction.

VEHICLE LIGHT FIXTURE SYSTEM, LIGHT DISTRIBUTION CONTROL DEVICE, AND LIGHT DISTRIBUTION CONTROL METHOD

A vehicle light fixture system includes: a low-beam unit adapted to form a low-beam light distribution pattern having a cutoff line and to independently adjust illuminance in a plurality of subareas in the low-beam light distribution pattern arranged below and along the cutoff line; and a light distribution control device that controls the low-beam unit to form a first reduced illuminance portion in, of the plurality of subareas, the subarea having a position in a vehicle width direction overlapping a position of a vehicle in front in the vehicle width direction.

LIGHTING DEVICE FOR A MOTOR VEHICLE, MOTOR VEHICLE AND METHOD FOR OPERATING A LIGHTING DEVICE

The present disclosure relates to a lighting device for a motor vehicle having at least one exterior light and a control device. The exterior light has an illuminated area having at least two independently controllable segments, each comprising at least one light source, wherein the control device is designed to operate the exterior light in at least two operating modes, with each of which a geometric manifestation of the exterior light, defined by the light sources operated in the operating mode, is associated such that the total luminous intensity of the exterior light is within a range limited by a minimum value and a maximum value.

Method and Device for Performing a Welcoming Illumination

The present invention relates to a method and a device for performing a welcoming illumination in a motor vehicle. Therefore, the problem addressed by the present invention is that of providing a method and a device that allow a welcoming illumination which seems human. According to the invention, a method for performing a welcoming illumination by means of the headlights of a motor vehicle is proposed, each headlight having a pivotable illumination module, the shape of which illumination modules imitates human eyes at least when the illumination modules are illuminated, the method comprising the following steps: —defining an authorization zone having a predefinable radius around the motor vehicle; —registering whether at least one authorized user is within the authorization zone; —starting a first illumination sequence of the welcoming illumination, in which first illumination sequence the illumination modules pivot, with respect to a vehicle coordinate system, from an idle position directed downward to a horizontally oriented driving position; —determining the position of the authorized user within the authorization zone with respect to the vehicle coordinate system; —starting a second illumination sequence of the welcoming illumination, in which second illumination sequence the illumination modules first pivot toward the registered authorized user and subsequently pivot back to the driving position oriented horizontally and forward.

Method and Device for Performing a Welcoming Illumination

The present invention relates to a method and a device for performing a welcoming illumination in a motor vehicle. Therefore, the problem addressed by the present invention is that of providing a method and a device that allow a welcoming illumination which seems human. According to the invention, a method for performing a welcoming illumination by means of the headlights of a motor vehicle is proposed, each headlight having a pivotable illumination module, the shape of which illumination modules imitates human eyes at least when the illumination modules are illuminated, the method comprising the following steps: —defining an authorization zone having a predefinable radius around the motor vehicle; —registering whether at least one authorized user is within the authorization zone; —starting a first illumination sequence of the welcoming illumination, in which first illumination sequence the illumination modules pivot, with respect to a vehicle coordinate system, from an idle position directed downward to a horizontally oriented driving position; —determining the position of the authorized user within the authorization zone with respect to the vehicle coordinate system; —starting a second illumination sequence of the welcoming illumination, in which second illumination sequence the illumination modules first pivot toward the registered authorized user and subsequently pivot back to the driving position oriented horizontally and forward.