EP3350507B1 - Beleuchtungsvorrichtung für kraftfahrzeuge - Google Patents

Beleuchtungsvorrichtung für kraftfahrzeuge Download PDF

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Publication number
EP3350507B1
EP3350507B1 EP16769933.9A EP16769933A EP3350507B1 EP 3350507 B1 EP3350507 B1 EP 3350507B1 EP 16769933 A EP16769933 A EP 16769933A EP 3350507 B1 EP3350507 B1 EP 3350507B1
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EP
European Patent Office
Prior art keywords
sub
light
lighting
light beam
vehicle
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EP16769933.9A
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English (en)
French (fr)
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EP3350507A1 (de
Inventor
Vanesa Sanchez
Xavier Morel
Marine Courcier
Laurent Evrard
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Valeo Vision SAS
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Valeo Vision SAS
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • F21W2102/14—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
    • F21W2102/145—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users wherein the light is emitted between two parallel vertical cutoff lines, e.g. selectively emitted rectangular-shaped high beam

Definitions

  • the present invention relates in particular to a lighting device.
  • a preferred application concerns the automotive industry, for vehicle equipment, in particular for the production of devices capable of emitting light beams, also called lighting functions, generally meeting regulations.
  • the invention can enable the production of a highly resolved light beam.
  • the dipped beam must ensure both the quality of the lighting and the absence, or reduction, of the disturbance caused by the luminous flux produced for surrounding vehicles.
  • low beam headlights are essentially defined with this in mind, with, in particular, the use of sometimes complex cuts at the top of the beam, so as to precisely limit or avoid lighting above the horizon line, and to best design a light projection zone to be avoided because it is likely to disturb the driver of a passing vehicle.
  • the invention falls within this framework and seeks to improve the definition of the beams, in particular the main beam.
  • It relates in particular to a lighting system for a motor vehicle, comprising a device for projecting a highly resolved beam.
  • the present invention relates to a lighting device according to claim 1.
  • the first beam serves as a supporting road beam supplemented by a pixelated and digital imaging system which advantageously happens to be a matrix of micro-mirrors.
  • the passing beam this then rests at least partly on the second sub-device, that is to say the pixelated and digital imaging system which happens to be advantageously at least one matrix of micro-mirrors.
  • the present invention also relates to a vehicle equipped with at least one lighting device according to the present invention.
  • This method thus makes it possible to adapt the lighting of the motor vehicle according to an external parameter which may be the crossing of a vehicle, the following of a vehicle, or simply driving on a road.
  • the control electronics thus make it possible to fully use all the degrees of freedom authorized by the present invention.
  • the second sub-device comprises at least a second array of micro-mirrors.
  • This second micro-mirror array is configured to form a second sub-beam light in the form of pixelated rays and forming at least partly said second light beam.
  • this second micro-mirror matrix makes it possible on the one hand to reinforce the illumination of a zone for example, by at least partially covering the light sub-beam emitted by the micro-mirror matrix by the second sub-beam. light bleam.
  • this second light sub-beam to illuminate a particular area of the visual field facing the vehicle, for example an obstacle, an information panel or any other external element which may require lighting. be illuminated independently of road lighting.
  • the second light sub-beam partly covers the light sub-beam so as to locally reinforce the second light beam to illuminate a determined area more precisely and more intensely.
  • This covering when it is not complete, makes it possible, among other things, to have an illuminated area following a brightness gradient. This situation can provide increased visual comfort, but also make it possible to attract the motorist's attention to a specific area of the scene facing the vehicle.
  • the first light sub-beam and the second light sub-beam have a coverage rate of between 5 and 100%. This coverage rate makes it possible to increase the illumination of the same area if necessary.
  • the first light sub-beam and the second light sub-beam have a lateral angular offset of between 0° and 5°, advantageously between 0 and 3°. This offset allows mobility of each of the two light sub-beams relatively to one another. relative to the other and to increase the extent of the area covered by the second light beam.
  • the second light sub-beam may be useful for the second light sub-beam to completely cover the first light sub-beam. In this situation, the illuminated area receives twice as much light flux, making it even more visible when necessary.
  • the micro-mirror matrix has a first output diopter.
  • the second micro-mirror array has a second output diopter.
  • Each of the output diopters has the function of forming at least part of the second light beam.
  • the first and second diopters have identical optical properties.
  • the first output diopter and the second output diopter form a single output diopter. This then makes it possible to have a second, more compact sub-device.
  • the first sub-device and the second sub-device each comprise an output diopter configured to form a light beam.
  • the use of two separate diopters allows greater modularity and reduces manufacturing constraints.
  • the two sub-devices emit light beams in different ways, it is therefore advantageous to be able to have a separate diopter for each of these two sub-devices in order to be able to adapt each of these diopters to the type of light source and of light beam emitted by each of the sub-devices.
  • the first sub-device and the second sub-device have a common output diopter.
  • the second light beam has a coverage rate of the first light beam of between 25% and 80%, advantageously between 25 and 40%. This coverage rate makes it possible to increase the lighting in the same area if necessary.
  • the first light beam and the second light beam have a lateral angular offset of between 4 and 10° and preferably between 6 and 10°. This shift allows a mobility of each of the two light beams relatively to each other.
  • the second light beam partly covers the first light beam in order to allow an increase in the lighting of a determined area.
  • the micro-mirror matrix is controlled by control electronics so as to modify the light sub-beam according to at least one operating parameter.
  • This control electronics makes it possible to modify the reflection properties of the micro-mirror matrix in order to adapt them to lighting requirements.
  • the second array of micro-mirrors is controlled by control electronics so as to modify the second light sub-beam according to at least one operating parameter.
  • a single control electronics makes it possible to control the two micro-mirror matrices, which then allows a saving of hardware resources and improved compactness.
  • the at least one first strip lighting sub-device is controlled by control electronics so as to modify the first light beam according to at least one operating parameter.
  • control electronics Preferably, it is the same control electronics as that of the micro-mirrors.
  • the control of the first sub-device can correspond to the activation or not of at least part of the light emitting elements so as to modify the first light beam, and to adapt it to external conditions such as weather conditions, or crossing or tracking conditions for example.
  • LEDs light-emitting diodes
  • said at least one operating parameter is at least one parameter taken from: precipitation detection, detection of the brightness of the road environment, detection of following vehicle, detection of crossed vehicle, speed of the vehicle, direction of movement of the vehicle, curvature and/or slope of the road, detection of signs, detection of people or animals on the side of the road, vehicle attitude.
  • This operation parameter is a parameter related to traffic conditions and road scene.
  • said at least one operating parameter is at least partly received by the control electronics via at least one sensor included by the vehicle and configured to measure the at least one operating parameter.
  • the vehicle can include numerous sensors allowing the detection of precipitation for example, but also the measurement of external brightness, the detection of the presence of a vehicle crossing or following, the speed of the vehicle, the direction and the orientation of the wheels. All of this data is collected and analyzed at the level of the control electronics in order to allow modification of the light beams in accordance with the needs in terms of safety but also driving comfort.
  • the present invention comprises at least two operating modes: a crossing mode and a road mode. These two modes summarize the different situations that the vehicle may encounter on the road.
  • the crossing mode corresponds to vehicle following and vehicle crossing situations.
  • road mode it corresponds to driving without interaction with other vehicles.
  • This mode therefore corresponds to optimum lighting of the road in order to facilitate driving.
  • the crossing mode presents a configuration of the second sub-device in which only part of the micro-mirror matrix is active in reflection. This configuration makes it possible to adapt the light sub-beam to the presence of a vehicle, whether following said vehicle or during a crossing.
  • the second light beam in crossing mode has a cut-off in order to achieve at least one anti-glare function.
  • This function can for example be used when crossing with another vehicle.
  • part of the micro-mirror matrix is in a passive position in reflection so as to produce a light sub-beam presenting a cutoff.
  • the road mode presents a configuration of the second sub-device in which the entire array of micro-mirrors is active in reflection.
  • the second light beam can be used to increase the visibility provided by the first light beam.
  • all of the micro-mirrors reflect the incident light beam so as to form a highly resolved light sub-beam.
  • the crossing mode presents a configuration of the first strip lighting sub-device configured not to emit the first light beam. This makes it possible to avoid dazzling a vehicle in a crossing situation; when a crossing is detected, the control electronics deactivate the emission of the first light beam.
  • the configuration of the first strip lighting sub-device in crossing mode has at least one anti-glare function.
  • the configuration of the second sub-device in crossing mode presents at least one function among anti-glare (ADB for Adaptive Driving Beam, or matrix beam) and a set of adaptive lighting functions (AFS function), such as lighting concentrated around the optical axis for high traffic speeds (MotorWay function), cornering lighting (BL function), or even lighting in rainy weather (AWL function).
  • ADB anti-glare
  • AFS function adaptive lighting functions
  • MHotorWay function lighting concentrated around the optical axis for high traffic speeds
  • BL function cornering lighting
  • ANL function even lighting in rainy weather
  • a third light beam is emitted by a third sub-device, this third light beam is configured for downward illumination relative to the horizon so as to illuminate the roadway for example.
  • the present invention can use light sources of the light-emitting diode type, also commonly called LEDs.
  • these LEDs can be equipped with at least one chip capable of emitting light of advantageously adjustable intensity according to the lighting and/or signaling function to be performed.
  • the term light source here means a set of at least one elementary source such as an LED capable of producing a flow leading to generating at the output of the device of the invention at least one output light beam filling at least least one desired function.
  • LED sources are particularly advantageous for strip lighting.
  • Other types of sources are also possible in the invention, such as one or more laser sources, in particular for micro-mirror devices.
  • verticality In the characteristics set out below, the terms relating to verticality, horizontality and transversality, or their equivalents, are understood in relation to the position in which the lighting system is intended to be mounted in a vehicle .
  • the terms “vertical” and “horizontal” are used in this description to designate directions, following an orientation perpendicular to the plane of the horizon for the term “vertical”, and following an orientation parallel to the plane of the horizon for the term “horizontal”. They must be considered in the operating conditions of the device in a vehicle.
  • the use of these words does not mean that slight variations around the vertical and horizontal directions are excluded from the invention. For example, an inclination relative to these directions of the order of + or - 10° is considered here as a minor variation around the two preferred directions.
  • bottom or lower part generally means a part of an element of the invention located, along a vertical plane, below the optical axis.
  • top or upper part means a part of an element of the invention located, along a vertical plane, above the optical axis.
  • parallel or the concept of coincident axes or lines is understood here in particular with the manufacturing or assembly tolerances, substantially parallel directions or substantially coincident axes falling within this framework.
  • pixelated and digital imaging system have the definition of a system emitting a light beam, said light beam being formed of a plurality of light sub-beams, each sub-light beam can be controlled independently of the other sub-light beams.
  • These systems can be for example micro-mirror matrices, in particular rotatable, or even liquid crystal devices.
  • Each independently controllable sub-beam forms a pixelated ray.
  • Another technology for forming pixelated rays is provided with a laser source whose ray is reflected by a scanning device onto a surface arranged at the focus of projection optics and composed of a plurality of elements of phosphor material, usually referred to as phosphorus. These phosphor elements re-emit white light which is projected by a lens to form a beam of lighting on the road in front of the vehicle.
  • the segments of phosphor material are arranged between the laser source and the projection lens, at the focus of this lens.
  • cover rate or its equivalents are defined as the quantity of illuminated surface common to two light beams. This rate is equal to 100% in the case where the smallest surface illuminated by one of the light beams is completely included in the surface illuminated by the other light beam.
  • the term passing beam is understood to mean a beam used when there are crossed and/or followed vehicles and/or other elements (individuals, obstacles, etc.) on the roadway or nearby.
  • This beam has an average downward direction. It can possibly be characterized by a absence of light above a plane inclined 1% downwards on the side of traffic in the other direction, and another plane inclined 15 degrees compared to the previous one on the side of traffic in the same direction meaning, these two plans defining a cutoff in compliance with European regulations. This upper downward cutoff aims to avoid dazzling other users present in the road scene extending in front of the vehicle or on the sides of the road.
  • the low beam here called the second light beam, formerly coming from a simple headlight, has undergone developments, the low beam function being able to be coupled with other lighting characteristics.
  • AFS Advanced Frontlighting System
  • BL Back Light
  • DBL Dynamic Bending Light
  • FBL Fielded Bending
  • These corner lighting functions are used when driving on curves, and they are carried out by means of headlamps which emit a light beam whose horizontal orientation varies when the vehicle moves on a curved path, so as to illuminate correctly the sections of road which are intended to be approached by the vehicle and which are not in the axis of the vehicle, but in the direction it is about to take, resulting from the angle imposed on the steering wheels of the vehicle by its driver.
  • Another function is called Town Light in English, for city lighting. This function widens a low beam type beam while slightly reducing its range.
  • the so-called “Motorway Light” function for motorway lighting performs the motorway function.
  • This function ensures an increase in the range of a low beam by concentrating the luminous flux of the low beam at the optical axis of the headlamp device in question.
  • Another variation of low beam is the so-called AWL (Adverse Weather Light) function for bad weather lights. This function ensures a modification of a low beam beam so that the driver of a vehicle traveling in the opposite direction is not dazzled by the reflection of the light from the spotlights on the wet road.
  • the attitude of the vehicle may undergo more or less significant variations, due for example to its state of load, its acceleration or deceleration, which cause a variation in inclination. of the upper cut-off of the beam, resulting either in dazzling other drivers if the cut-off is raised, or in insufficiently illuminating the road if the cut-off is lowered. It is then known to use a range corrector, manually or automatically controlled, to correct the orientation of the low beam headlights.
  • the attitude correction will be carried out by the second sub-device comprising a matrix of micro-mirrors.
  • the basic high beam is preferably emitted by a strip lighting device.
  • This light beam has the function of illuminating the scene in front of the vehicle over a large area but also over a significant distance, typically around 200 meters.
  • This light beam due to its lighting function, is mainly located above the horizon line. It may have a slightly ascending optical axis of illumination, for example.
  • This type of light beam is preferably emitted by a strip lighting device advantageously composed of at least one matrix of light emitting elements such as LEDs for example.
  • the light strips thus generated by the matrix can be turned off or turned on independently of each other. Strip lighting offers the possibility of superimposing two contiguous strips, for example.
  • the light sub-beams each composing at least one vertical band are preferably parallel to each other, but may however have an overlapping zone with each other.
  • this type of lighting although powerful and long-range, does not have high resolution and good precision due to its very design.
  • One of the objectives of the present invention is to partially overcome this defect.
  • the device may also be used to form other lighting functions via or apart from the devices described in detail below.
  • FIG. 1 schematically represents a view of three types of lighting zones generated from the vehicle 400.
  • the first zone illustrated by the first light beam 110 corresponds to an area extending mainly above the horizon line 10.
  • the second light beam 210 corresponds to an illuminated area located partly below the horizon line 10.
  • the third light beam 310 corresponds to an illuminated area located mainly below the horizon line and having the function of illuminating the road.
  • the area illuminated by the first light beam 110 is generated by strip lighting.
  • This strip lighting is preferably movable laterally so as to be able to move along the horizon line 10.
  • This control is advantageously adapted to the movement of the vehicle for example in order to ensure the various functions described above, and in particular the DBL function. This case is not limiting.
  • the first light beam 110 is composed of vertical light sub-beams juxtaposed with a possible overlap and forming lighting bands.
  • the second light beam 210 comprising, according to the invention, two light sub-beams 211 and 212. These two light sub-beams are emitted by several pixelated and digital imaging systems.
  • a system is according to the invention a matrix of micro-mirrors.
  • Each micro-mirror preferably has two operating positions. A so-called active position corresponds to an orientation of the micro-mirrors allowing the reflection towards an output diopter of an incident light beam.
  • a so-called passive position corresponds to an orientation of the micro-mirrors allowing the reflection towards an absorbing surface of an incident light beam, that is to say towards a direction different from that of the output diopter.
  • the two light sub-beams 211, 212 overlap one another in order to increase the brightness of a specific area.
  • This situation is represented on the figure 2 .
  • the two light sub-beams 211 and 212 partially cover the first light beam 110, but they also partially overlap each other.
  • This configuration of covering or overlapping of the illuminated areas generates zones of variable and progressive intensities, which then makes it possible to generate lighting of the scene comprising a symmetrical brightness gradient ranging from the left to right.
  • a first zone corresponds to the illumination of the first light beam 110 alone
  • a second zone presents a more intense illumination corresponding to the superposition of the first light beam 110 and a first sub-light beam 211
  • a third zone forms a zone of maximum intensity comprising the superposition of the first light beam 110 and the two light sub-beams 110, 211 and 212.
  • This zone of maximum intensity can cover a space around the optical axis of the device.
  • another zone of intensity identical to the second zone is produced by covering the light beam 110 and the second light sub-beam 212.
  • This gradient ends with an illumination zone identical to the first zone, illuminated only by the first beam 110.
  • This gradient of illumination makes it possible to increase the visual comfort of the motorist, but also the safety of driving, because it is then possible to accentuate the attention of the motorist on a particular point of the scene facing the vehicle.
  • This situation is made possible by the use of two micro-mirror matrices which make it possible to achieve this gradient. This is a non-limiting example of the numerous degrees of freedom included by the present invention.
  • control of the micro-mirror matrices is carried out by control electronics.
  • This control includes both the control of the orientations of the micro-mirrors of each matrix of micro-mirrors, but also the coverage rate of the sub-light beams. Controlling the micro-mirrors therefore makes it possible to modify the pixelation of the light sub-beams. It is then possible to form a light sub-beam presenting a cut, for example. This may be an elbow at the level of horizon line 10, during a crossing function.
  • the last light beam 310 provides illumination of the road, and more precisely of the roadway. It is preferably descending and/or illuminates below the horizon line 10. In the figure 2 , it is this last light beam which presents the cut at the level of the horizon line 10, close to the point of intersection 30 between the horizon line and the vertical axis 20.
  • This intersection point 30 preferably corresponding , but not limited to, the optical axis of the lighting device. According to another embodiment, this intersection point corresponds to the optical axis of the motorist.
  • the last light beam 310 is preferably emitted by one or more projectors whose light source(s) are advantageously LEDs.
  • FIG. 3 illustrates a non-limiting example of a pixelated and digital imaging system 200 called in English terms “Digital Micromirror Device” (DMD), that is to say a micro-mirror device, also called a micro-matrix. mirrors 203.
  • DMD Digital Micromirror Device
  • This system includes a light source 201, which can be for example LEDs or laser diodes, or any kind of light sources.
  • This light source 201 emits a light beam advantageously in the direction of a reflector 202.
  • This reflector 202 is preferably configured to concentrate the incident light flux on a surface comprising the micro-mirror matrix 203.
  • the reflector 202 is configured so that all of the micro-mirrors are illuminated by the light beam reflected by the reflector 202.
  • the reflector 202 can have, along at least one section plane, a pseudo-elliptical or pseudo profile. parabolic.
  • this diopter 204 can be a converging lens for example.
  • the micro-mirrors each have two operating positions, a so-called active position in which they reflect the incident light beam in the direction of the diopter 204, and a so-called passive position in which they reflect the incident light beam in the direction of a light radiation absorbing element not shown in the Figure 3 .
  • each pixel or pixelated rays composing this beam corresponds to a micro-mirror and it is possible to activate or not these micro-pixels by simply controlling the micro-mirrors. This particularity then makes it possible to draw, if necessary, the shape of the light beam leaving the diopter 204 according to the needs of the invention.
  • FIG 4 illustrates an area illuminated by the light sub-beam 211 emitted by the second sub-device, that is to say via a matrix of micro-mirrors 203.
  • the light sub-beam 211 presents a angular width of at least 10° and preferably at least 20°, and an angular height of at least 5° and preferably at least 9°].
  • This light sub-beam 211 is formed by a plurality of light beams all reflected by the micro-mirrors in the active position of the micro-mirror matrix 203.
  • one or more other sub-beams 212 can be formed.
  • the examples illustrated represent cases where the sub-bundles 211, 212 have the same shape and identical dimensions but this case is not limiting.
  • FIG. 5 illustrates an area illuminated by the first light beam 110 emitted by the first strip lighting sub-device.
  • the light beam 110 has an angular width of at least 30° and preferably at least 40°, and an angular height of at least 5° and preferably at least 9°.
  • This type of strip beam can be generated by a matrix of light emitting elements such as LEDs for example.
  • FIG. 6 illustrates a situation involving the combined projection of the first light beam 110 and the two light sub-beams 211 and 212.
  • the last light beam 310 is not shown.
  • the sub-beam 212 is laterally offset to the right with respect to the light beam 211 so that the The entire light beam 212 is not completely superposed with the first light beam 110.
  • the first light beam 110 is offset laterally to the left. This figure therefore differs from the figure 2 in order to illustrate the possibility of having lateral offsets between the different light beams.
  • the lighting gradient is centered along the optical axis of the motorist, that is to say facing him.
  • the gradient can be centered along the optical axis of a micro-mirror matrix.
  • the present invention offers numerous degrees of freedom regarding the possible combinations of light beams. Indeed, the possibility of having a light beam of strip lighting coupled with a pixelated and digital imaging system of the micro-mirror matrix type makes it possible to have highly resolved lighting and to make the lighting intelligent. lighting of a vehicle so that it adapts to the needs of the user but also to the road and the situations that may be encountered.
  • all of the light beams and sub-beams 110, 211, 212 and 310 are emitted and which illuminate the scene facing the vehicle.
  • lighting is maximum and ensures optimal visibility.
  • the use of two micro-mirror matrices provides efficient adaptive lighting of the scene. Indeed, it is then possible to generate lighting gradients for visual comfort, but also to highlight elements of interest facing the vehicle such as obstacles or indication signs.
  • the pixelation of the light sub-beams 211 and 212 also makes it possible to define shapes if necessary in order to accentuate certain elements of the scene.
  • the subject of the invention is a vehicle equipped with two devices according to the invention, one per projector, respectively mounted on the right side and the left side at the front of the vehicle.
  • the second beam extends at least 4°, preferably 6° on the interior side of the vehicle, that is to say on the opposite side of the vehicle from which the device is mounted, while the first The beam extends at least 6°, preferably 12° on the vehicle interior side.

Claims (15)

  1. Beleuchtungsvorrichtung für ein Kraftfahrzeug, die mindestens eine erste Teilbeleuchtungsvorrichtung, die konfiguriert ist, ein erstes Lichtbündel (110) zu erzeugen, und eine zweite Teilvorrichtung (200) enthält, die konfiguriert ist, ein zweites Lichtbündel (210) zu erzeugen, wobei die zweite Teilvorrichtung eine Matrix von Mikrospiegeln (203) aufweist, die konfiguriert ist, ein Teillichtbündel (211) in Form von verpixelten Strahlen zu formen und zumindest zum Teil das zweite Lichtbündel (210) formt, wobei das zweite Lichtbündel (210) einen Überdeckungsgrad des ersten Lichtbündels (110) zwischen 25% und 80% aufweist, wobei die zweite Teilvorrichtung (200) mindestens eine zweite Matrix von Mikrospiegeln enthält, die konfiguriert ist, ein zweites Teillichtbündel (212) in Form von verpixelten Strahlen zu formen und zumindest zum Teil das zweite Lichtbündel (210) formt, wobei das zweite Teillichtbündel (212) zum Teil das Teillichtbündel (211) überdeckt, dadurch gekennzeichnet, dass die erste Teilbeleuchtungsvorrichtung eine Teilbandbeleuchtungsvorrichtung ist, und dass das erste Bandlichtbündel (110) und das zweite Lichtbündel (210) einen seitlichen Winkelversatz zwischen 4° und 10° aufweist.
  2. Vorrichtung nach Anspruch 1, wobei das Teillichtbündel (211) und das zweite Teillichtbündel (212) einen Überdeckungsprozentsatz zwischen 5 und 100% aufweisen.
  3. Vorrichtung nach Anspruch 1, wobei das zweite Teillichtbündel (212) das Teillichtbündel (211) vollständig überdeckt.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die erste Teilvorrichtung und die zweite Teilvorrichtung (200) je ein Ausgangsdiopter enthalten.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, wobei die erste Teilvorrichtung und die zweite Teilvorrichtung (200) ein gemeinsames Ausgangsdiopter aufweisen.
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Matrix von Mikrospiegeln (203) von einer Steuerelektronik gesteuert wird, um das Teillichtbündel (211) gemäß mindestens einem Betriebsparameter zu ändern.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die erste Teilbandbeleuchtungsvorrichtung von einer Steuerelektronik gesteuert wird, um das erste Lichtbündel (110) gemäß mindestens einem Betriebsparameter zu ändern.
  8. Vorrichtung nach einem der zwei vorhergehenden Ansprüche, wobei der mindestens eine Betriebsparameter mindestens ein Parameter ist von: Erkennung von Niederschlägen, Erkennung der Helligkeit der Umgebung der Straße, Erkennung eines gefolgten Fahrzeugs, Erkennung eines begegneten Fahrzeugs, Vorwärtsbewegungsrichtung des Fahrzeugs, Erkennung von Verkehrsschildern, Erkennung von Personen oder Tieren am Straßenrand, Trimmlage des Fahrzeugs, Krümmung und/oder Abschüssigkeit der Straße.
  9. Vorrichtung nach einem der vorhergehenden Ansprüche, die mindestens zwei Betriebsmodi aufweist, die aus einem Abblendlichtmodus und einem Fernlichtmodus bestehen.
  10. Vorrichtung nach Anspruch 9, wobei der Abblendlichtmodus eine Konfiguration der zweiten Teilvorrichtung (200) aufweist, in der nur ein Teil der Matrix von Mikrospiegeln (203) in Reflexion aktiv ist.
  11. Vorrichtung nach einem der Ansprüche 9 oder 10, wobei das zweite Lichtbündel (210) im Abblendlichtmodus eine Hell-Dunkel-Grenze aufweist.
  12. Vorrichtung nach einem der Ansprüche 9 bis 11, wobei der Abblendlichtmodus eine Konfiguration der ersten Teilbandbeleuchtungsvorrichtung aufweist, die konfiguriert ist, das erste Lichtbündel (110) nicht zu emittieren.
  13. Vorrichtung nach einem der Ansprüche 9 bis 12, wobei der Fernlichtmodus eine Konfiguration der ersten Teilbandbeleuchtungsvorrichtung aufweist, die konfiguriert ist, das erste Lichtbündel (110) zu emittieren.
  14. Vorrichtung nach einem der Ansprüche 9 bis 13, wobei der Fernlichtmodus eine Konfiguration der zweiten Teilvorrichtung (200) aufweist, in der die Gesamtheit der Matrix von Mikrospiegeln (203) in Reflexion aktiv ist.
  15. Fahrzeug (400), das mit mindestens einer Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 14 ausgestattet ist.
EP16769933.9A 2015-09-15 2016-09-15 Beleuchtungsvorrichtung für kraftfahrzeuge Active EP3350507B1 (de)

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FR1558636A FR3040936B1 (fr) 2015-09-15 2015-09-15 Dispositif d’eclairage pour vehicules automobiles
PCT/EP2016/071821 WO2017046243A1 (fr) 2015-09-15 2016-09-15 Dispositif d'éclairage pour véhicules automobiles

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FR3100866A1 (fr) * 2019-09-17 2021-03-19 Psa Automobiles Sa Projecteur de véhicule
FR3100867A1 (fr) * 2019-09-17 2021-03-19 Psa Automobiles Sa Projecteur de véhicule
DE102020210548A1 (de) * 2020-08-20 2022-02-24 Volkswagen Aktiengesellschaft Fahrzeugscheinwerfer mit Kompensation von Inhomogenitäten in der Lichtverteilung

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DE112013003050T5 (de) * 2012-06-29 2015-03-05 Koito Manufacturing Co., Ltd. Fahrzeugleuchte und Verfahren zur Steuerung derselben

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DE10344174A1 (de) * 2003-09-22 2005-04-28 Hella Kgaa Hueck & Co Scheinwerfer für Fahrzeuge
DE102005041234A1 (de) 2005-08-31 2007-03-01 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
JP4613970B2 (ja) * 2008-03-12 2011-01-19 トヨタ自動車株式会社 車両用照明装置
JP6174337B2 (ja) * 2013-02-27 2017-08-02 株式会社小糸製作所 車両用灯具
EP4006415A1 (de) * 2013-09-03 2022-06-01 Koito Manufacturing Co., Ltd. Fahrzeuglichtsystem
DE102014225246A1 (de) * 2014-01-07 2015-07-09 Volkswagen Aktiengesellschaft Leuchtvorrichtung für ein Kraftfahrzeug und Verfahren zur Steuerung einer erfindungsgemäßen Leuchtvorrichtung sowie ein Kraftfahrzeug mit einer erfindungsgemäßen Leuchtvorrichtung
JP6270033B2 (ja) * 2014-02-17 2018-01-31 スタンレー電気株式会社 車両用灯具

Patent Citations (1)

* Cited by examiner, † Cited by third party
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FR3040936A1 (fr) 2017-03-17

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