EP3141805B1 - Lighting system, in particular for a motor vehicle - Google Patents

Lighting system, in particular for a motor vehicle Download PDF

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Publication number
EP3141805B1
EP3141805B1 EP16187989.5A EP16187989A EP3141805B1 EP 3141805 B1 EP3141805 B1 EP 3141805B1 EP 16187989 A EP16187989 A EP 16187989A EP 3141805 B1 EP3141805 B1 EP 3141805B1
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EP
European Patent Office
Prior art keywords
module
lighting system
light sources
optical
mount
Prior art date
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Application number
EP16187989.5A
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German (de)
French (fr)
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EP3141805A1 (en
Inventor
Hugo MESTRE
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Valeo Vision SAS
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Valeo Vision SAS
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Priority to EP19174487.9A priority Critical patent/EP3553369A1/en
Publication of EP3141805A1 publication Critical patent/EP3141805A1/en
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Publication of EP3141805B1 publication Critical patent/EP3141805B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/005—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with keying means, i.e. for enabling the assembling of component parts in distinctive positions, e.g. for preventing wrong mounting
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • 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
    • 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
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a lighting system, in particular for a motor vehicle.
  • each of the modules and in particular each of their components are specifically configured, which generates a great complexity and a low level of standardization.
  • the document WO 2014/124477 A1 discloses a lighting system according to the preamble of claim 1.
  • the objective of the invention is to overcome at least part of the aforementioned disadvantages and proposes for this purpose a lighting system, in particular for a motor vehicle, comprising at least two optical modules, each optical module comprising one or more light sources, a component optical device associated with said light source (s), a support for said light source (s) and an armature support of said support, said support being identical from one module to another, said support frames being respectively configured to receive the associated optical component so that an optical axis of said component is positioned differently from the said associated light source or sources, from one module to the other, in which the said support armatures comprise pins for placing the supports of the light source or sources, the relative positioning of the said pins with respect to the or said light sources being identical from one module to another, said support frames being configured so that the optical axis of said components is positioned differently from said pins from one module to another.
  • the invention thus makes it possible to standardize at least one of the components of the modules, namely the support of the light source or sources, which is a particularly judicious choice, in particular when one seeks to obtain an interlacing of the light beams. emitted since the number and the nature of the light sources are then advantageously identical from one module to another.
  • support frames are intended to present other differences from one module to another. The invention thus makes it possible to concentrate the configuration specificities on the single piece.
  • the invention also relates to a support frame for a lighting system as described above, said support frame being configured so that the optical axis of the associated optical component is off-axis with respect to said one or more light sources.
  • the invention also relates to a projector comprising such a lighting system.
  • the invention relates to a lighting system, in particular for a motor vehicle, comprising at least two optical modules 100, 200 partially shown in this figure.
  • Each optical module comprises one or more light sources 102, 202, here seven. These are, for example, light-emitting semiconductor chips, in particular light-emitting diodes. They are advantageously the same number from one module to another.
  • the light sources 102, 202 are aligned. They may be regularly spaced from each other by a step p, following the direction of alignment, according to a spacing e. Said light sources 102, 202 here all have the same width l along the alignment direction, the distance e being less than the width l. Said light sources 102, 202 are optionally identical to each other.
  • Each module further comprises an optical component 104, 204, associated with said light source or sources 102, 202.
  • Each of said optical components 104, 204 has an optical axis 106, 206.
  • each module 100, 200 is advantageously capable of emitting a partial light beam composed of a plurality of vertical-cut light spots 108, 208, each formed by the optical component of the module from the light emitted by the source or sources of light of said module.
  • a partial light beam composed of a plurality of vertical-cut light spots 108, 208, each formed by the optical component of the module from the light emitted by the source or sources of light of said module.
  • seven light spots 108, 208 formed by each of the modules from each of its light sources 102, 202.
  • Each of the spots 108, 208 can illuminate a specific area, particularly in front of the vehicle when said lighting system is used as a motor vehicle headlamp. When a vehicle followed or crossed enters one or other of these areas, it dazzles its occupants by modulating the lighting intensity, or even turning off the lighting of the area concerned, this while maintaining maximum lighting in other areas. This optimizes the vision available to the driver of the equipped vehicle without disturbing the occupants of other vehicles.
  • each module the light sources 102, 202 may be selectively activatable.
  • the optical component 104, 204 of each module is arranged to form a light spot having two vertical cuts, in particular of generally rectangular shape, from the light emitted by each light source and to project this light. bright spot on the road.
  • the resulting beam 1 emitted by the system comes from the combination of the partial beams emitted by each of the modules 100, 200. It is found that it provides a more uniform illumination than each of the partial beams in which each of the spots 108, 208 are separated by unenlightened dark areas.
  • said modules 100, 200 are advantageously configured so that each light spot 108 of the partial beam emitted by the 100 optical modules is superimposed on at least one light spot 208 of the partial beam emitted by the other optical module 200, so as to form an interlacing of these partial beams.
  • the optical axes 106, 206 of the components 104, 204 are positioned differently from the said associated light source (s) from one module 100 to the other 200. It is then understood that to obtain a non When illuminated, it will be necessary to deactivate at least one of the light sources 108 of one of the modules 100 and at least one neighbor of the light sources 208 of the other 200 of the modules. The strategy is the same when one wishes to obtain a decrease of intensity of the lighting of said zone.
  • said optical axes 106, 206 are advantageously parallel to each other.
  • each of the modules 100, 200 further comprises a support 110, 210 of the at least one light source 102, 202 and a support frame 112, 212 of said support 110, 210.
  • said supports 110, 210 are identical from one module to another, which makes it possible to be able to use one and the same assembly formed of said support and of said source or sources of light for all the modules, as illustrated by the arrow 2 which doubles up from the figure 4 .
  • said support armatures 112, 212 are respectively configured to receive the associated optical component 104, 204 so that the optical axis 106, 206 of said component 104, 204 is positioned differently from the said associated light source (s) 102, 202, from one module 100 to the other 200.
  • the positioning of the optical axes 106, 206 relative to the said source (s) associated light 102, 202 differs from one module to another not by the location of the light source or sources 102, 202 on their respective support 110, 210 but through the configuration of said support frames 112, 212 .
  • said support armature 112 of a first of said modules is configured in such a way that the optical axis 106 of the optical component 104 intended to be associated with said first armature 112 is centered on the or the light sources 102 of said first module.
  • it is therefore located on the light-emitting diode lying in the middle of the others, being positioned in the center of the light emitting surface of said diode.
  • said support armature 212 of a second of said modules is configured in such a way that the optical axis 206 of the optical component 204 intended to be associated with said second armature 212 is off-axis with respect to the light source or sources 202 of the second module.
  • said first armature 112 and said second armature 212 support are configured to obtain the optical beam interleaving mentioned above.
  • said first frame 112 and said second support frame 212 are configured so that each light spot 108 of the partial beam emitted by the first optical module is superimposed on at least one light spot 208 of the partial beam emitted by the second module.
  • the support frame 212 of the second module is configured so that the optical axis 206 of the associated optical component 204 is shifted by a distance of p / 2 along said alignment direction of the light sources 202.
  • optical component 104, 204 of each module is a lens, preferably identical from one module to the other at least in its portion providing an optical function.
  • Said support frames 112, 212 each comprise a mounting plate 114, 214 of the associated optical component 104, 204.
  • Said platinum is, for example, molded. It is here in the shape of a bowl.
  • Said support frames 112, 212 receive the support 110, 210 associated on an outer face of a bottom 115, 215 of said bowl, for example substantially in the center of said bottom.
  • Said support frames 112, 212 comprise pins 116, 216 for placing the supports 110, 210 of the light source or sources 102, 202. These positioning pins extend from said fixing plate 114, 214, here bottom 115, 215 of the bowl forming said platen. They are, for example, made from material of said plate 114, 214.
  • Each fixing plate 114, 214 may further comprise one or more flanges 118, 218 for placing said associated optical component 104, 204.
  • the or said positioning flanges 118, 218 are located on a face of the plates opposite one face of said plates provided with said pins 116, 216. They comprise here olbic panels, located at side flanks 120, 220 of said bowl.
  • the one or more flanges 118, 218 are positioned differently with respect to said pins 116, 216 from one module to another. They may have a different configuration from one module to another so as to accommodate separate optical components.
  • Said plates may also include one or more attachment brackets 122, 222 of the support frame to a support of said lighting system. They extend here laterally from said lateral flanks 120, 220.
  • Said support 10 comprises, for example, a printed circuit board 12.
  • said card 12 may be used to supply current to said light source or sources 2. It comprises, for example, a control unit 14 and / or a connection flange 16.
  • Said card 12 further comprises a plurality of orifices, starting with first orifices 18, intended to cooperate with said pins 116, 216 of each of the modules.
  • Said first orifices 18 are here two in number. One of them is oblong. They are located on either side of said light sources 2. Said first orifices 18 are advantageously substantially aligned with said light source or sources.
  • Said card 12 may further comprise second orifices 20 for attachment to said support frames and / or third orifices 22 for fixing a heat dissipating member.
  • Said first, second and third orifices are here arranged in two rows, respectively located along two edges of the card 12.
  • Said second orifices are four in number and are located at the ends of each row.
  • Said third orifices are two in number, one in each row, and are located between one of the first orifices 18 and one of the second orifices 20.
  • Said light sources 2 are centered between the two rows.
  • the relative positioning of said pins 116, 216 with respect to the light source or sources 102, 202 is identical from one module to the other and the relative positioning of the first orifices 18 with respect to the light source or sources 102, 202 is identical from one module to the other.
  • said support frames 112, 212 are configured so that the optical axis 106, 206 of said components 104, 204 is positioned differently with respect to said pins 116, 216 from one module to another.
  • the lighting system may further comprise control means for switching on, off or modifying the light power emitted by the light sources of the light modules, for example integrated in said control unit 14.
  • the lighting system may also comprise a detection module on the road of a body not to dazzle, said detection module being able to send a detection information to said control means which turn on, off or modify the light power emitted by the light sources of the light modules according to this detection information.
  • the invention also relates to a support frame for a lighting system as described above, said support frame being configured so that the optical axis of the associated optical component is off-axis with respect to said one or more light sources.
  • the invention also relates to a projector comprising a lighting system as described above.
  • Said projector comprises, for example, a housing inside which said system is reported and a transparent glass closing said housing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

La présente invention concerne un système d'éclairage, notamment pour véhicule automobile.The present invention relates to a lighting system, in particular for a motor vehicle.

Dans ce domaine, il est connu des systèmes d'éclairage comprenant un module optique muni de plusieurs sources lumineuses. En commandant de façon sélective l'activation des sources de lumière, un tel système présente l'avantage de pouvoir éclairer des zones choisies de la chaussée en avant du véhicule.In this field, it is known lighting systems comprising an optical module provided with several light sources. By selectively controlling the activation of the light sources, such a system has the advantage of being able to illuminate selected areas of the roadway in front of the vehicle.

Cependant, compte-tenu de la configuration des composant optiques employés dans de tels modules pour projeter les faisceaux émis par chacune des sources, il est difficile d'éviter la présence de zones sombres, plus ou moins larges, entre les zones susceptibles d'être éclairées.However, given the configuration of the optical components used in such modules to project the beams emitted by each of the sources, it is difficult to avoid the presence of dark areas, more or less wide, between the areas likely to be informed.

Pour pallier cet inconvénient, il a déjà été proposé d'utiliser plusieurs modules optiques dans le même système d'éclairage. On peut de la sorte obtenir un phénomène, dit d'entrelacement, par lequel on observe une superposition partielle de l'éclairage obtenu par chacun des modules, les zones sombres produites par chacun des modules étant recouvertes par des zones susceptibles d'être éclairées d'un autre des modules. Pour cela, les axes optiques des composants optiques employés dans chacun des modules doivent être positionnes relativement aux sources lumineuses du module associé d'une façon différente d'un module à l'autre.To overcome this drawback, it has already been proposed to use several optical modules in the same lighting system. In this way, it is possible to obtain a so-called interlacing phenomenon, whereby a partial superposition of the illumination obtained by each of the modules is observed, the dark areas produced by each of the modules being covered by zones that can be illuminated with light. another module. For this, the optical axes of the optical components used in each of the modules must be positioned relative to the light sources of the associated module in a different way from one module to another.

Pour conserver la fonctionnalité du système lui permettant d'éclairer seulement une partie choisie de la chaussé, on conçoit que le positionnement des sources de lumière par rapport à l'axe optique des composants optiques doit être particulièrement précis. A cette fin, chacun des modules et en particulier chacun de leurs composants sont configurés de façon spécifique, ce qui génère une grande complexité et un faible niveau de standardisation. Le document WO 2014/124477 A1 décrit un système d'éclairage selon le préambule de la revendication 1.To retain the functionality of the system allowing it to illuminate only a selected portion of the pavement, it is conceivable that the positioning of the light sources relative to the optical axis of the optical components must be particularly precise. To this end, each of the modules and in particular each of their components are specifically configured, which generates a great complexity and a low level of standardization. The document WO 2014/124477 A1 discloses a lighting system according to the preamble of claim 1.

L'invention a pour objectif pallier au moins en partie les inconvénients précités et propose à cette fin un système d'éclairage, notamment pour véhicule automobile, comprenant au moins deux modules optiques, chaque module optique comprenant une ou plusieurs sources de lumière, un composant optique associé à la ou aux dites sources de lumière, un support de la ou desdites sources de lumière et une armature de soutien dudit support, ledit support étant identique d'un module à l'autre, lesdites armatures de soutien étant respectivement configurées pour accueillir le composant optique associé de manière à ce qu'un axe optique dudit composant soit positionné de façon différente par rapport à la ou aux dites sources de lumière associées, d'un module à l'autre, dans lequel lesdites armatures de soutien comportent des pions de mise en place des supports de la ou des sources de lumière, le positionnement relatif desdits pions par rapport à la ou auxdites sources de lumière étant identique d'un module à l'autre, lesdites armatures de soutien étant configurées pour que l'axe optique desdits composants soit positionné de façon différente par rapport auxdits pions d'un module à l'autre.The objective of the invention is to overcome at least part of the aforementioned disadvantages and proposes for this purpose a lighting system, in particular for a motor vehicle, comprising at least two optical modules, each optical module comprising one or more light sources, a component optical device associated with said light source (s), a support for said light source (s) and an armature support of said support, said support being identical from one module to another, said support frames being respectively configured to receive the associated optical component so that an optical axis of said component is positioned differently from the said associated light source or sources, from one module to the other, in which the said support armatures comprise pins for placing the supports of the light source or sources, the relative positioning of the said pins with respect to the or said light sources being identical from one module to another, said support frames being configured so that the optical axis of said components is positioned differently from said pins from one module to another.

L'invention permet de la sorte de standardiser au moins l'un des composants des modules, à savoir le support de la ou des sources lumineuses, ce qui est un choix particulièrement judicieux, en particulier quand on cherche à obtenir un entrelacement des faisceaux lumineux émis puisque le nombre et la nature des sources lumineuses sont alors avantageusement identiques d'un module à l'autre. Par ailleurs, les armatures de soutien ont vocation à présenter d'autres différences d'un module à l'autre. L'invention permet de la sorte de concentrer les spécificités de configuration sur la seule et même pièce.The invention thus makes it possible to standardize at least one of the components of the modules, namely the support of the light source or sources, which is a particularly judicious choice, in particular when one seeks to obtain an interlacing of the light beams. emitted since the number and the nature of the light sources are then advantageously identical from one module to another. In addition, support frames are intended to present other differences from one module to another. The invention thus makes it possible to concentrate the configuration specificities on the single piece.

Selon différentes caractéristiques supplémentaires de l'invention, qui pourront être prises ensemble ou séparément :

  • lesdites armatures de soutien sont configurées pour que les axes optiques desdits composants soient parallèles,
  • ladite armature de soutien d'un premier desdits modules, dite première armature, est configurée de manière à ce que l'axe optique du composant optique destiné à être associé à ladite première armature soit centré sur la ou les sources de lumière dudit premier module,
  • ladite armature de soutien d'un second desdits modules, dite seconde armature, est configurée de manière à ce que l'axe optique du composant optique destiné à être associé à ladite seconde armature soit désaxé par rapport à la ou aux dites sources de lumière du second module,
  • ladite première armature et ladite seconde armature de soutien sont configurées de manière à obtenir un entrelacement de faisceaux optiques émis par chacun des modules optiques,
  • le composant optique de chaque module est agencé pour former une tache lumineuse présentant deux coupures verticales, notamment de forme généralement rectangulaire, à partir de la lumière émise par chaque source de lumière et à projeter cette tache lumineuse sur la route,
  • chaque module est apte à émettre un faisceau lumineux partiel composé d'une pluralité de taches lumineuses à coupures verticales, chacune formée par le composant optique du module à partir de la lumière émise par la ou les sources de lumière du module,
  • ladite première armature et ladite seconde armature de soutien sont configurées de manière à ce que chaque tache lumineuse du faisceau partiel émis par un module optique soit superposée à au moins une tache lumineuse du faisceau partiel émis par l'autre module optique, de sorte à former un entrelacement de ces faisceaux partiels,
  • chaque module comprend plusieurs sources de lumière activables sélectivement,
  • les sources de lumière d'un module sont alignées,
  • lesdites sources de lumière sont espacées régulièrement l'une de l'autre d'un pas p, suivant la direction d'alignement,
  • les sources de lumière des modules présentent toutes une même largeur l suivant la direction d'alignement, un écartement e entre les sources suivant la direction d'alignement étant inférieur à la largueur l,
  • ladite armature de soutien de l'un des modules est configurée de manière à ce que l'axe optique du composant optique destiné à lui être associé soit décalé d'une distance de p/2 le long de ladite direction d'alignement,
  • la ou lesdites sources lumineuses sont des puces à semi-conducteur émettrices de lumière, notamment des diodes électroluminescentes,
  • le composant optique de chaque module est une lentille,
  • le composant optique est identique d'un module à l'autre,
  • les pions sont destinés à coopérer avec des premiers orifices des supports de la ou des sources de lumière,
  • le positionnement relatifs des premiers orifices par rapport à la ou auxdites sources de lumière est identique d'un module à l'autre,
  • l'une au moins desdites armatures de soutien comprend une platine de fixation du composant optique associé,
  • ladite platine est issue de moulage,
  • lesdits pions de mise en place s'étendent à partir ladite platine de fixation,
  • lesdits pions de mise en place sont issus de matière de ladite platine,
  • ladite platine de fixation comporte une ou des brides de mise en place dudit composant optique,
  • la ou lesdites brides de mise en place du composant optique sont positionnées de façon différente par rapport auxdits pions d'un module à l'autre,
  • la ou lesdites brides de mise en place du composant optique sont situées sur une face des platines opposée à une face desdites platines munies desdits pions,
  • la ou lesdites brides de mise en place du composant optique présentent une configuration différente d'un module à l'autre de manière à pouvoir accueillir des composants optiques de forme distinctes,
  • ladite platine comporte une ou des brides d'accrochage de l'armature de soutien à un support dudit système d'éclairage,
  • le support de la ou desdites sources lumineuses comprend une carte à circuits imprimés,
  • ladite carte comprend :
    • ∘ lesdits premiers orifices,
    • ∘ Des seconds orifices de fixation à ladite armature de soutien, et/ou
    • ∘ Des troisièmes orifices de fixation d'un organe de dissipation thermique,
  • lesdites premiers orifices sont sensiblement alignés avec la ou lesdites sources lumineuses,
  • le système d'éclairage comporte des moyens de commande pour allumer, éteindre ou modifier la puissance lumineuse émise par les sources de lumière des modules lumineux.
  • le système d'éclairage peut comporter en outre un module de détection sur la route d'un corps à ne pas éblouir, ledit module de détection étant apte à envoyer une information de détection auxdits moyens de commande qui allument, éteignent ou modifient la puissance lumineuse émise par les sources de lumière des modules lumineux en fonction de cette information de détection.
According to various additional features of the invention, which may be taken together or separately:
  • said support frames are configured so that the optical axes of said components are parallel,
  • said support armature of a first of said modules, said first armature, is configured in such a way that the optical axis of the optical component intended to be associated with said first armature is centered on the light source or sources of said first module,
  • said support armature of a second of said modules, said second armature, is configured in such a way that the optical axis of the optical component intended to be associated with said second armature is off-axis with respect to said light source (s). second module,
  • said first armature and said second armature are configured to obtain an interleaving of optical beams emitted by each of the optical modules,
  • the optical component of each module is arranged to form a light spot having two vertical cuts, in particular of generally rectangular shape, from the light emitted by each light source and to project this light spot onto the road,
  • each module is able to emit a partial light beam composed a plurality of vertical cut-off light spots, each formed by the optical component of the module from the light emitted by the light source (s) of the module,
  • said first armature and said second armature are configured so that each light spot of the partial beam emitted by an optical module is superimposed on at least one light spot of the partial beam emitted by the other optical module, so as to form an interlacing of these partial beams,
  • each module comprises several selectively activatable light sources,
  • the light sources of a module are aligned,
  • said light sources are regularly spaced from each other by a pitch p, in the alignment direction,
  • the light sources of the modules all have the same width l along the alignment direction, a spacing e between the sources in the alignment direction being less than the width l,
  • said support armature of one of the modules is configured in such a way that the optical axis of the optical component intended to be associated with it is shifted by a distance of p / 2 along said alignment direction,
  • said light source or sources are light-emitting semiconductor chips, in particular light-emitting diodes,
  • the optical component of each module is a lens,
  • the optical component is identical from one module to another,
  • the pins are intended to cooperate with first orifices of the supports of the light source or sources,
  • the relative positioning of the first orifices relative to the one or more light sources is identical from one module to another,
  • at least one of said support frames comprises a plate of fixing the associated optical component,
  • said platen is from molding,
  • said positioning pins extend from said fixing plate,
  • said positioning pins are made from material of said platen,
  • said fixing plate comprises one or more flanges for placing said optical component,
  • said one or more flanges for placing the optical component are positioned differently with respect to said pins from one module to another,
  • said one or more flanges for placing the optical component are located on one face of the plates opposite one face of said plates provided with said pins,
  • said one or more flanges for placing the optical component have a different configuration from one module to another so as to be able to accommodate separate optical components of a different shape,
  • said plate comprises one or more attachment brackets of the support frame to a support of said lighting system,
  • the support of the at least one light source comprises a printed circuit board,
  • said card includes:
    • Said first orifices,
    • ∘ second orifices for fixing to said support frame, and / or
    • ∘ Third holes for fixing a heat dissipating member,
  • said first orifices are substantially aligned with said light source (s),
  • the lighting system comprises control means for switching on, off or modifying the light power emitted by the light sources of the light modules.
  • the lighting system may further comprise a detection module on the road of a body not to dazzle, said detection module being able to send a detection information to said control means which switch on, switch off or modify the light output emitted by the light sources of the light modules according to this detection information.

L'invention concerne aussi une armature de soutien pour un système d'éclairage tel que décrit plus haut, ladite armature de soutien étant configurée pour que l'axe optique du composant optique associé soit désaxée par rapport à ladite ou aux dites sources de lumière.The invention also relates to a support frame for a lighting system as described above, said support frame being configured so that the optical axis of the associated optical component is off-axis with respect to said one or more light sources.

L'invention concerne encore un projecteur comprenant un tel système d'éclairage.The invention also relates to a projector comprising such a lighting system.

Les but, objet et caractéristique de la présente invention ainsi que ses avantages apparaîtront plus clairement à la lecture de la description qui suit, faite en référence aux dessins dans lesquels :

  • la figure 1 est une vue schématique de sources de lumière et de composants optiques d'un exemple de réalisation d'un système d'éclairage conforme à l'invention,
  • les figures 2a, 2b et 2c illustrent respectivement l'éclairage produit par un premier module optique d'un exemple de réalisation d'un système d'éclairage conforme à l'invention, l'éclairage produit par un second module optique dudit système et l'éclairage résultant produit par ledit système,
  • les figures 3a et 3b illustrent en vue de côté chacun des modules d'un exemple de réalisation d'un système d'éclairage conforme à l'invention,
  • la figure 4 illustre de façon schématique une vue de dessus des sources de lumière du système illustré aux figures 3a et 3b, accompagnées de leur support.
The object, object and feature of the present invention as well as its advantages will appear more clearly on reading the description which follows, with reference to the drawings in which:
  • the figure 1 is a schematic view of light sources and optical components of an exemplary embodiment of a lighting system according to the invention,
  • the Figures 2a, 2b and 2c respectively illustrate the illumination produced by a first optical module of an exemplary embodiment of a lighting system according to the invention, the illumination produced by a second optical module of said system and the resulting illumination produced by said system ,
  • the Figures 3a and 3b illustrate in side view each of the modules of an exemplary embodiment of a lighting system according to the invention,
  • the figure 4 schematically illustrates a top view of the light sources of the system illustrated in FIGS. Figures 3a and 3b , accompanied by their support.

Comme illustré à la figure 1, l'invention concerne un système d'éclairage, notamment pour véhicule automobile, comprenant au moins deux modules optiques 100, 200, partiellement représentés à cette figure.As illustrated in figure 1 The invention relates to a lighting system, in particular for a motor vehicle, comprising at least two optical modules 100, 200 partially shown in this figure.

Chaque module optique comprend une ou plusieurs sources de lumière 102, 202, ici sept. Il s'agit, par exemple, de puces à semi-conducteur émettrices de lumière, notamment des diodes électroluminescentes. Elles sont avantageusement en même nombre d'un module à l'autre.Each optical module comprises one or more light sources 102, 202, here seven. These are, for example, light-emitting semiconductor chips, in particular light-emitting diodes. They are advantageously the same number from one module to another.

Préférentiellement, pour chaque module, les sources de lumière 102, 202 sont alignées. Elles pourront être espacées régulièrement l'une de l'autre d'un pas p, suivant la direction d'alignement, selon un écartement e. Lesdites sources de lumière 102, 202 présentent ici toutes une même largeur l suivant la direction d'alignement, l'écartement e étant inférieur à la largueur l. Lesdites sources lumineuses 102, 202 sont éventuellement identiques entre elles.Preferably, for each module, the light sources 102, 202 are aligned. They may be regularly spaced from each other by a step p, following the direction of alignment, according to a spacing e. Said light sources 102, 202 here all have the same width l along the alignment direction, the distance e being less than the width l. Said light sources 102, 202 are optionally identical to each other.

Chaque module comprend en outre un composant optique 104, 204, associé à la ou aux dites sources de lumière 102, 202. Chacun desdits composants optiques 104, 204 présente un axe optique 106, 206.Each module further comprises an optical component 104, 204, associated with said light source or sources 102, 202. Each of said optical components 104, 204 has an optical axis 106, 206.

Comme illustré aux figures 2a et 2b, chaque module 100, 200 est avantageusement apte à émettre un faisceau lumineux partiel composé d'une pluralité de taches lumineuses 108, 208 à coupures verticales, chacune formée par le composant optique du module à partir de la lumière émise par la ou les sources de lumière dudit module. Ici, on voit donc sept taches lumineuses 108, 208, formé par chacun des modules à partir de chacune de ses sources de lumière 102, 202. Chacune des taches 108, 208 permet d'éclairer une zone déterminée, en particulier en avant du véhicule lorsque ledit système d'éclairage est utilisé en tant que projecteur de véhicule automobile. Lorsque qu'un véhicule suivi ou croisé entre dans l'une ou l'autre de ces zones, on évite l'éblouissement de ses occupants en modulant l'intensité d'éclairage, voire en éteignant l'éclairage de la zone concernée, ceci tout en conservant un éclairage maximum dans les autres zones. Ceci permet d'optimiser la vision dont dispose le conducteur du véhicule équipé sans gêner les occupants des autres véhicules.As illustrated in Figures 2a and 2b each module 100, 200 is advantageously capable of emitting a partial light beam composed of a plurality of vertical-cut light spots 108, 208, each formed by the optical component of the module from the light emitted by the source or sources of light of said module. Here, we see seven light spots 108, 208, formed by each of the modules from each of its light sources 102, 202. Each of the spots 108, 208 can illuminate a specific area, particularly in front of the vehicle when said lighting system is used as a motor vehicle headlamp. When a vehicle followed or crossed enters one or other of these areas, it dazzles its occupants by modulating the lighting intensity, or even turning off the lighting of the area concerned, this while maintaining maximum lighting in other areas. This optimizes the vision available to the driver of the equipped vehicle without disturbing the occupants of other vehicles.

Pour cela, au sein de chaque module, les sources de lumière 102, 202, pourront être activables sélectivement. Par ailleurs, dans le mode illustré, le composant optique 104, 204 de chaque module est agencé pour former une tache lumineuse présentant deux coupures verticales, notamment de forme généralement rectangulaire, à partir de la lumière émise par chaque source de lumière et à projeter cette tache lumineuse sur la route.For this, within each module, the light sources 102, 202 may be selectively activatable. Moreover, in the illustrated mode, the optical component 104, 204 of each module is arranged to form a light spot having two vertical cuts, in particular of generally rectangular shape, from the light emitted by each light source and to project this light. bright spot on the road.

Comme illustré à la figure 2c, le faisceau 1 résultant émis par le système provient de la combinaison des faisceaux partiels émis par chacun des modules 100, 200. On constate que celui-ci offre un éclairage plus homogène que chacun des faisceaux partiels dans lesquels chacune des taches 108, 208 sont séparées par des zones sombres non éclairées.As illustrated in Figure 2c , the resulting beam 1 emitted by the system comes from the combination of the partial beams emitted by each of the modules 100, 200. It is found that it provides a more uniform illumination than each of the partial beams in which each of the spots 108, 208 are separated by unenlightened dark areas.

Pour cela, lesdits modules 100, 200 sont avantageusement configurées de manière à ce que chaque tache lumineuse 108 du faisceau partiel émis par l'un 100 des modules optiques soit superposée à au moins une tâche lumineuse 208 du faisceau partiel émis par l'autre module optique 200, de sorte à former un entrelacement de ces faisceaux partiels. Pour cela, les axes optiques 106, 206 des composants 104, 204 sont positionnés de façon différente par rapport à la ou aux dites sources de lumière associées d'un module 100 à l'autre 200. On comprend alors que pour obtenir une zone non éclairée, il faudra désactiver au moins une des sources de lumière 108 de l'un 100 des modules et au moins une, voisine, des sources de lumière 208 de l'autre 200 des modules. La stratégie est la même quand l'on souhaite obtenir une baisse d'intensité de l'éclairage de ladite zone.For this, said modules 100, 200 are advantageously configured so that each light spot 108 of the partial beam emitted by the 100 optical modules is superimposed on at least one light spot 208 of the partial beam emitted by the other optical module 200, so as to form an interlacing of these partial beams. For this purpose, the optical axes 106, 206 of the components 104, 204 are positioned differently from the said associated light source (s) from one module 100 to the other 200. It is then understood that to obtain a non When illuminated, it will be necessary to deactivate at least one of the light sources 108 of one of the modules 100 and at least one neighbor of the light sources 208 of the other 200 of the modules. The strategy is the same when one wishes to obtain a decrease of intensity of the lighting of said zone.

Afin de ne pas générer de distorsion lumineuse, lesdits axes optiques 106, 206 sont avantageusement parallèles l'un à l'autre.In order not to generate light distortion, said optical axes 106, 206 are advantageously parallel to each other.

Comme illustré aux figures 3a et 3b, chacun des modules 100, 200 comporte en outre un support 110, 210 de la ou desdites sources de lumière 102, 202 et une armature de soutien 112, 212 dudit support 110, 210.As illustrated in Figures 3a and 3b each of the modules 100, 200 further comprises a support 110, 210 of the at least one light source 102, 202 and a support frame 112, 212 of said support 110, 210.

Selon l'invention, lesdits supports 110, 210 sont identiques d'un module à l'autre ce qui permet de pouvoir utiliser un même ensemble formé dudit support et de la ou desdites sources de lumières pour tous les modules, comme illustré par la flèche 2 qui se dédouble en provenance de la figure 4.According to the invention, said supports 110, 210 are identical from one module to another, which makes it possible to be able to use one and the same assembly formed of said support and of said source or sources of light for all the modules, as illustrated by the arrow 2 which doubles up from the figure 4 .

Pour obtenir un éclairage différent d'un module à l'autre, lesdites armatures de soutien 112, 212 sont respectivement configurées pour accueillir le composant optique associé 104, 204 de manière à ce que l'axe optique 106, 206 dudit composant 104, 204 soit positionné de façon différente par rapport à la ou aux dites sources de lumière associées 102, 202, d'un module 100 à l'autre 200. Autrement dit, le positionnement des axes optiques 106, 206 par rapport à la ou aux dites sources de lumière associées 102, 202 diffère d'un module à autre non pas par l'emplacement de la ou des sources lumineuses 102, 202 sur leur support 110, 210 respectif mais par l'intermédiaire de la configuration desdites armatures de soutien 112, 212.In order to obtain different illumination from one module to another, said support armatures 112, 212 are respectively configured to receive the associated optical component 104, 204 so that the optical axis 106, 206 of said component 104, 204 is positioned differently from the said associated light source (s) 102, 202, from one module 100 to the other 200. In other words, the positioning of the optical axes 106, 206 relative to the said source (s) associated light 102, 202 differs from one module to another not by the location of the light source or sources 102, 202 on their respective support 110, 210 but through the configuration of said support frames 112, 212 .

Si l'on se reporte de nouveau à la figure 1, on constate que ladite armature de soutien 112 d'un premier desdits modules, dite première armature, est configurée de manière à ce que l'axe optique 106 du composant optique 104 destiné à être associé à ladite première armature 112 soit centré sur la ou les sources de lumière 102 dudit premier module. Ici, il est donc situé sur la diode électroluminescente se trouvant au milieu des autres, en étant positionné au centre de la surface émettrice de lumière de ladite diode.If we go back to the figure 1 it is found that said support armature 112 of a first of said modules, said first armature, is configured in such a way that the optical axis 106 of the optical component 104 intended to be associated with said first armature 112 is centered on the or the light sources 102 of said first module. Here, it is therefore located on the light-emitting diode lying in the middle of the others, being positioned in the center of the light emitting surface of said diode.

De son côté, ladite armature de soutien 212 d'un second desdits modules, dite seconde armature, est configurée de manière à ce que l'axe optique 206 du composant optique 204 destiné à être associé à ladite seconde armature 212 soit désaxé par rapport à la ou aux dites sources 202 de lumière du second module.For its part, said support armature 212 of a second of said modules, called a second armature, is configured in such a way that the optical axis 206 of the optical component 204 intended to be associated with said second armature 212 is off-axis with respect to the light source or sources 202 of the second module.

Avantageusement, ladite première armature 112 et ladite seconde armature 212 de soutien sont configurées de manière à obtenir l'entrelacement de faisceaux optiques évoqué plus haut. Autrement dit, ladite première armature 112 et ladite seconde armature 212 de soutien sont configurées de manière à ce que chaque tache lumineuse 108 du faisceau partiel émis par le premier module optique soit superposée à au moins une tache lumineuse 208 du faisceau partiel émis par le second module.Advantageously, said first armature 112 and said second armature 212 support are configured to obtain the optical beam interleaving mentioned above. In other words, said first frame 112 and said second support frame 212 are configured so that each light spot 108 of the partial beam emitted by the first optical module is superimposed on at least one light spot 208 of the partial beam emitted by the second module.

Plus précisément, ici, l'armature de soutien 212 du second module est configurée de manière à ce que l'axe optique 206 du composant optique 204 associé soit décalé d'une distance de p/2 le long de ladite direction d'alignement des sources lumineuses 202.More specifically, here, the support frame 212 of the second module is configured so that the optical axis 206 of the associated optical component 204 is shifted by a distance of p / 2 along said alignment direction of the light sources 202.

Avantageusement encore, c'est également la configuration des armatures de soutien 112, 212 qui assure le parallélisme des axes optiques 106, 206.Advantageously, it is also the configuration of the support frames 112, 212 which ensures the parallelism of the optical axes 106, 206.

Si l'on se reporte de nouveau aux figures 3a et 3b, on constate que le composant optique 104, 204 de chaque module est une lentille, préférentiellement identique d'un module à l'autre au moins dans sa partie assurant une fonction optique.If we go back to Figures 3a and 3b it is found that the optical component 104, 204 of each module is a lens, preferably identical from one module to the other at least in its portion providing an optical function.

Lesdites armatures de soutien 112, 212 comprennent chacune une platine de fixation 114, 214 du composant optique 104, 204 associé. Ladite platine est, par exemple, issue de moulage. Elle est ici en forme de cuvette. Lesdites armatures de soutien 112, 212 accueille le support 110, 210 associé sur une face externe d'un fond 115, 215 de ladite cuvette, par exemple sensiblement au centre dudit fond.Said support frames 112, 212 each comprise a mounting plate 114, 214 of the associated optical component 104, 204. Said platinum is, for example, molded. It is here in the shape of a bowl. Said support frames 112, 212 receive the support 110, 210 associated on an outer face of a bottom 115, 215 of said bowl, for example substantially in the center of said bottom.

Lesdites armatures de soutien 112, 212 comportent des pions 116, 216 de mise en place des supports 110, 210 de la ou des sources de lumière 102, 202. Lesdits pions de mise en place s'étendent à partir ladite platine de fixation 114, 214, ici du fond 115, 215 de la cuvette formant ladite platine. Ils sont, par exemple issus de matière de ladite platine 114, 214.Said support frames 112, 212 comprise pins 116, 216 for placing the supports 110, 210 of the light source or sources 102, 202. These positioning pins extend from said fixing plate 114, 214, here bottom 115, 215 of the bowl forming said platen. They are, for example, made from material of said plate 114, 214.

Chaque platine de fixation 114, 214 pourra en outre comporter une ou des brides 118, 218 de mise en place dudit composant optique associé 104, 204. La ou lesdites brides de mise en place 118, 218 sont situées sur une face des platines opposée à une face desdites platines munies desdits pions 116, 216. Elles comportent ici des pans olbiques, situées au niveau de flancs latéraux 120, 220 de ladite cuvette.Each fixing plate 114, 214 may further comprise one or more flanges 118, 218 for placing said associated optical component 104, 204. The or said positioning flanges 118, 218 are located on a face of the plates opposite one face of said plates provided with said pins 116, 216. They comprise here olbic panels, located at side flanks 120, 220 of said bowl.

Selon l'invention, la ou lesdites brides 118, 218 sont positionnées de façon différente par rapport auxdits pions 116, 216 d'un module à l'autre. Elles pourront présenter une configuration différente d'un module à l'autre de manière à pouvoir accueillir des composants optiques de forme distinctes.According to the invention, the one or more flanges 118, 218 are positioned differently with respect to said pins 116, 216 from one module to another. They may have a different configuration from one module to another so as to accommodate separate optical components.

Lesdites platines pourront encore comporter une ou des brides d'accrochage 122, 222 de l'armature de soutien à un support dudit système d'éclairage. Elles s'étendent ici latéralement à partir desdits flancs latéraux 120, 220.Said plates may also include one or more attachment brackets 122, 222 of the support frame to a support of said lighting system. They extend here laterally from said lateral flanks 120, 220.

A la figure 4, on a représenté le support de la ou desdites sources lumineuses. Comme il est de même constitution pour les deux modules 100, 200, ledit support est ici repéré 10 et les sources lumineuses sont repérées 2.To the figure 4 the support of the at least one light source is shown. Since it is of the same constitution for the two modules 100, 200, said support is here marked 10 and the light sources are marked 2.

Ledit support 10 comprend, par exemple, une carte 12 à circuits imprimés. Outre sa fonction de support, ladite carte 12 pourra servir à l'alimentation en courant de la ou desdites sources de lumière 2. Elle comprend, par exemple, une unité de commande 14 et/ou une bride de connexion 16.Said support 10 comprises, for example, a printed circuit board 12. In addition to its support function, said card 12 may be used to supply current to said light source or sources 2. It comprises, for example, a control unit 14 and / or a connection flange 16.

Ladite carte 12 comprend en outre une pluralité d'orifices, à commencer par des premiers orifices 18, destinés à coopérer avec lesdits pions 116, 216 de chacun des modules. Lesdits premiers orifices 18 sont ici au nombre de deux. L'un d'eux est oblong. Ils sont situés de part et d'autre desdites sources lumineuses 2. Lesdits premiers orifices 18 sont avantageusement sensiblement alignés avec la ou lesdites sources lumineuses.Said card 12 further comprises a plurality of orifices, starting with first orifices 18, intended to cooperate with said pins 116, 216 of each of the modules. Said first orifices 18 are here two in number. One of them is oblong. They are located on either side of said light sources 2. Said first orifices 18 are advantageously substantially aligned with said light source or sources.

Ladite carte 12 pourra comprendre en outre des seconds orifices 20 de fixation à aux dites armatures de soutien et/ou des troisièmes orifices 22 de fixation d'un organe de dissipation thermique. Lesdits premiers, seconds et troisièmes orifices sont ici arrangés en deux rangs, respectivement situés le long de deux bords de la carte 12. Lesdits seconds orifices 20 sont au nombre de quatre et sont situés aux extrémités de chaque rang. Lesdits troisièmes orifices sont au nombre de deux, un dans chaque rang, et sont situés entre l'un des premiers orifices 18 et l'un des seconds orifices 20. Lesdites sources lumineuses 2 sont centrées entre les deux rangs.Said card 12 may further comprise second orifices 20 for attachment to said support frames and / or third orifices 22 for fixing a heat dissipating member. Said first, second and third orifices are here arranged in two rows, respectively located along two edges of the card 12. Said second orifices are four in number and are located at the ends of each row. Said third orifices are two in number, one in each row, and are located between one of the first orifices 18 and one of the second orifices 20. Said light sources 2 are centered between the two rows.

Selon l'invention, le positionnement relatif desdits pions 116, 216 par rapport à la ou auxdites sources de lumière 102, 202 est identique d'un module à l'autre et le positionnement relatif des premiers orifices 18 par rapport à la ou auxdites sources de lumière 102, 202 est identique d'un module à l'autre. Par contre, lesdites armatures de soutien 112, 212 sont configurées pour que l'axe optique 106, 206 desdits composants 104, 204 soit positionné de façon différente par rapport auxdits pions 116, 216 d'un module à l'autre.According to the invention, the relative positioning of said pins 116, 216 with respect to the light source or sources 102, 202 is identical from one module to the other and the relative positioning of the first orifices 18 with respect to the light source or sources 102, 202 is identical from one module to the other. By cons, said support frames 112, 212 are configured so that the optical axis 106, 206 of said components 104, 204 is positioned differently with respect to said pins 116, 216 from one module to another.

Le système d'éclairage pourra en outre comporter des moyens de commande pour allumer, éteindre ou modifier la puissance lumineuse émise par les sources de lumière des modules lumineux, par exemple intégré à ladite unité de commande 14.The lighting system may further comprise control means for switching on, off or modifying the light power emitted by the light sources of the light modules, for example integrated in said control unit 14.

Le système d'éclairage pourra encore comporter un module de détection sur la route d'un corps à ne pas éblouir, ledit module de détection étant apte à envoyer une information de détection auxdits moyens de commande qui allument, éteignent ou modifient la puissance lumineuse émise par les sources de lumière des modules lumineux en fonction de cette information de détection.The lighting system may also comprise a detection module on the road of a body not to dazzle, said detection module being able to send a detection information to said control means which turn on, off or modify the light power emitted by the light sources of the light modules according to this detection information.

L'invention concerne aussi une armature de soutien pour un système d'éclairage tel que décrit plus haut, ladite armature de soutien étant configurée pour que l'axe optique du composant optique associé soit désaxée par rapport à ladite ou aux dites sources de lumière.The invention also relates to a support frame for a lighting system as described above, said support frame being configured so that the optical axis of the associated optical component is off-axis with respect to said one or more light sources.

L'invention concerne encore un projecteur comprenant un système d'éclairage tel que décrit plus haut. Ledit projecteur comporte, par exemple, une boîtier à l'intérieur de laquelle ledit système est rapporté ainsi qu'une glace transparente fermant ledit boîtier.The invention also relates to a projector comprising a lighting system as described above. Said projector comprises, for example, a housing inside which said system is reported and a transparent glass closing said housing.

Claims (14)

  1. Lighting system, in particular for a motor vehicle, comprising at least two optical modules (100, 200), each optical module comprising one or more light sources (2, 102, 202), an optical component (104, 204) associated with said one or more light sources (2, 102, 202), a holder (10, 110, 210) of said one or more light sources (2, 102, 202) and a mount (112, 212) for supporting said holder (10, 110, 210), said holder (10, 110, 210) being identical from one module to the next, said supporting mounts (112, 212) respectively being configured to accommodate the associated optical component (104, 204) so that an optical axis (106, 206) of said component is positioned differently with respect to said one or more associated light sources (2, 102, 202), from one module to the next,
    characterized in that said supporting mounts (112, 212) include pins (116, 216) for the placement of the holders (10, 110, 210) of the one or more light sources (2, 102, 202), the relative position of said pins (116, 216) with respect to said one or more light sources (2, 102, 202) being identical from one module to the next, said supporting mounts (112, 212) being configured so that the optical axis (106, 206) of said components is positioned differently with respect to said pins from one module to the next.
  2. Lighting system according to the preceding claim, wherein said supporting mount (112) of a first of said modules, called the first mount, is configured so that the optical axis (106) of the optical component (104) intended to be associated with said first mount (112) is centred on the one or more light sources (102) of said first module, and said supporting mount (212) of a second of said modules, called the second mount, is configured so that the optical axis (206) of the optical component (204) intended to be associated with said second mount (212) is off-axis with respect to said one or more light sources (202) of the second module.
  3. Lighting system according to the preceding claim, wherein said first supporting mount (112) and said second supporting mount (212) are configured to interlace optical beams emitted by each of the optical modules.
  4. Lighting system according to any one of the preceding claims, wherein said light sources (112, 212) are regularly spaced apart from each other by a pitch p, in a least one direction, called the alignment direction.
  5. Lighting system according to the preceding claim, wherein said supporting mount of one (212) of the modules is configured so that the optical axis of the optical component (204) intended to be associated therewith is offset by a distance of p/2 along said alignment direction.
  6. Lighting system according to any one of the preceding claims, wherein said one or more light sources (2, 102, 202) are light-emitting diodes.
  7. Lighting system according to one of the preceding claims, wherein at least one of said supporting mounts (112, 212) comprises a plate (114, 214) for fastening the associated optical component.
  8. Lighting system according to the preceding claim, wherein said placement pins (116, 216) extend from said fastening plate (114, 214).
  9. Lighting system according to either one of Claims 7 and 8, wherein said fastening plate (114, 214) includes one or more flanges (118, 218) for placement of said optical component (104, 204).
  10. Lighting system according to the preceding claim, wherein said one or more placement flanges (118, 218) have a different configuration from one module to the next so as to be able to accommodate optical components (104, 204) of distinct shape.
  11. Lighting system according to any one of the preceding claims, wherein the holder (10) of said one or more light sources (2) comprises a printed circuit board (12) .
  12. Lighting system according to the preceding claim, wherein said board (12) comprises:
    - first orifices (18) intended to interact with said pins (116, 216),
    - second orifices (20) for fastening to said supporting mount (112, 212), and/or
    - third orifices (22) for fastening a heat-dissipating unit.
  13. Lighting system according to the preceding claim, wherein said first orifices (18) are substantially aligned with said one or more light sources (2).
  14. Supporting mount for a lighting system according to any one of the preceding claims, said supporting mount (212) being configured so that the optical axis (206) of the associated optical component (204) is off-axis with respect to said one or more light sources (202).
EP16187989.5A 2015-09-14 2016-09-09 Lighting system, in particular for a motor vehicle Active EP3141805B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19174487.9A EP3553369A1 (en) 2015-09-14 2016-09-09 Lighting system, in particular for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1558519A FR3041078B1 (en) 2015-09-14 2015-09-14 LIGHTING SYSTEM, ESPECIALLY FOR MOTOR VEHICLES

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP19174487.9A Division EP3553369A1 (en) 2015-09-14 2016-09-09 Lighting system, in particular for a motor vehicle

Publications (2)

Publication Number Publication Date
EP3141805A1 EP3141805A1 (en) 2017-03-15
EP3141805B1 true EP3141805B1 (en) 2019-05-15

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EP16187989.5A Active EP3141805B1 (en) 2015-09-14 2016-09-09 Lighting system, in particular for a motor vehicle
EP19174487.9A Pending EP3553369A1 (en) 2015-09-14 2016-09-09 Lighting system, in particular for a motor vehicle

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EP19174487.9A Pending EP3553369A1 (en) 2015-09-14 2016-09-09 Lighting system, in particular for a motor vehicle

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EP (2) EP3141805B1 (en)
FR (1) FR3041078B1 (en)

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Publication number Priority date Publication date Assignee Title
EP3786518A1 (en) * 2019-08-27 2021-03-03 Seoul Semiconductor Europe GmbH Illumination device

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Publication number Priority date Publication date Assignee Title
JP5009031B2 (en) * 2007-04-10 2012-08-22 株式会社小糸製作所 Vehicle lamp unit
AT508604B1 (en) * 2009-07-31 2012-07-15 Zizala Lichtsysteme Gmbh LED MOTOR VEHICLE HEADLIGHT FOR GENERATING A DYNAMIC LIGHT DISTRIBUTION
JP5532310B2 (en) * 2010-03-25 2014-06-25 スタンレー電気株式会社 Vehicle lighting
US9786811B2 (en) * 2011-02-04 2017-10-10 Cree, Inc. Tilted emission LED array
AT511761B1 (en) * 2011-08-08 2014-02-15 Zizala Lichtsysteme Gmbh LED LIGHT SOURCE MODULE FOR A VEHICLE HEADLAMP AND VEHICLE HEADLAMP AND VEHICLE LIGHT SYSTEM
AT511760B1 (en) * 2011-08-08 2013-12-15 Zizala Lichtsysteme Gmbh LED LIGHT SOURCE MODULE FOR A LED MOTOR VEHICLE HEADLIGHT AND LED MOTOR VEHICLE HEADLAMP AND HEADLAMP SYSTEM
AT513915B1 (en) * 2013-02-14 2015-11-15 Zizala Lichtsysteme Gmbh Light module and lighting device with light module for a vehicle headlight
US20150062919A1 (en) * 2013-09-05 2015-03-05 Ford Global Technologies, Llc Optical lens positioning system and method

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Also Published As

Publication number Publication date
FR3041078A1 (en) 2017-03-17
FR3041078B1 (en) 2021-01-15
EP3141805A1 (en) 2017-03-15
EP3553369A1 (en) 2019-10-16

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