EP1398563B1 - Power supply and mounting module for light-emitting diode - Google Patents

Power supply and mounting module for light-emitting diode Download PDF

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Publication number
EP1398563B1
EP1398563B1 EP03292243A EP03292243A EP1398563B1 EP 1398563 B1 EP1398563 B1 EP 1398563B1 EP 03292243 A EP03292243 A EP 03292243A EP 03292243 A EP03292243 A EP 03292243A EP 1398563 B1 EP1398563 B1 EP 1398563B1
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EP
European Patent Office
Prior art keywords
light
emitting diode
module
connector
printed circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03292243A
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German (de)
French (fr)
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EP1398563A1 (en
Inventor
Guillaume Boutin
Manuel Panay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vignal Systems SAS
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Vignal Systems SAS
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Publication date
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Publication of EP1398563A1 publication Critical patent/EP1398563A1/en
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Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S43/51—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base
    • H01R33/465—Two-pole devices for bayonet type base secured to structure or printed circuit board

Definitions

  • the present invention generally relates to lighting or signaling devices, whose light sources are incandescent, and that it is desired to change by light sources of the type of light emitting diodes.
  • Such a situation can for example be encountered in lighting or signaling devices of motor vehicles, such lighting or signaling devices comprising incandescent light sources alone or associated sources consisting of light emitting diodes.
  • Electroluminescent diodes have a known way of life much higher than that of incandescent sources.
  • the use of light-emitting diodes makes it possible to take advantage of their small size to produce relatively compact lighting or signaling devices.
  • the low heat generated by the operation of the light-emitting diodes makes it possible, for example, to use plastics in their immediate environment, whereas incandescent or halogen lamps would impose under the same conditions the use of materials that can withstand high temperatures. This results in reduced size and cost.
  • incandescent sources with light-emitting diodes
  • the lighting or signaling devices must emit, according to the lighting or signaling function in which the incandescent source is used, a light beam whose photometry is defined by regulation.
  • the simple replacement of an incandescent source by a light-emitting diode will then result in the light beam no longer having the regulatory photometry.
  • the lighting or signaling device comprises both incandescent sources and light-emitting diodes to perform different functions.
  • the lighting or signaling device comprises both incandescent sources and light-emitting diodes to perform different functions.
  • two different printed circuits one for the incandescent sources, the other for the light emitting diodes, so that the light beams emitted by these different sources are regulatory.
  • Document US 5,947,588 describes a module for positioning and supplying a plurality of light-emitting diodes, the module comprising a housing forming a support for a plurality of light-emitting diodes and a power supply connector.
  • the connector has the shape and the dimensions of the base of an incandescent lamp, the housing and the connector being in one piece and the light-emitting diodes being mounted on a printed circuit.
  • the present invention is placed in this context and its purpose is to propose a module for using in a lighting or signaling device a light emitting diode instead of an incandescent source, without having to completely overhaul the architecture of the lighting or signaling device, and also making it possible to produce a lighting or signaling device comprising both incandescent sources and light-emitting diodes, which comprises only one printed circuit for providing power two types of light sources.
  • the subject of the present invention is therefore a module for positioning and supplying a light-emitting diode, the module comprising a housing forming a support for at least one light-emitting diode and a power supply connector, the connector having the shape and dimensions the base of an incandescent lamp, the housing and the connector being in one piece, and each light-emitting diode being mounted on a printed circuit.
  • the housing is closed by a transparent cover allowing the light rays emitted by each light-emitting diode to pass through in a general direction of emission, the cover comprising means for deflecting the light rays emitted by each light-emitting diode to obtain a light-emitting diode. light beam having the required photometry.
  • FIGS is a diagram of a positioning and supply module of a light-emitting diode, this module being designated as a whole by the reference 10.
  • the module comprises a housing 12 forming a support for at least one light-emitting diode 14, two such diodes having been shown in FIG. 1.
  • the diodes 14 are mounted on a printed circuit board 16 whose outer periphery is complementary to the shape of the inner wall 18 of the housing 12.
  • the housing 12 is closed by a cover 20, made of a transparent material so as to allow the passage of the light rays emitted by the light emitting diode 14 in a general direction of emission X.
  • the housing comprises stops 22 on which abuts the printed circuit carrying the diodes 14.
  • the stops 22 may for example be obtained by shoulders 22 formed on the inner wall 18 of the housing 12.
  • the housing 12 also comprises a power supply connector 24.
  • the housing 12 and the connector 24 are in one piece, and obtained for example by injection molding of a thermoplastic material.
  • the connector 24 has the shape and the dimensions of the base of an incandescent lamp.
  • the connector 24 is cylindrical, and has protrusions 26 for mounting bayonet in a conventional socket for receiving the base of an incandescent lamp.
  • the module comprises electrical conductors 28 and 30 between the connector 24 and the printed circuit 16 carrying the light emitting diode (s).
  • Such conductors are shown in FIGS. 3 and 4, and are more particularly intended to ensure a central electrical contact in the axis of the cylindrical connector 24 and an electrical contact at the periphery of the connector 24.
  • the conductor 28 may comprise tabs 32 for peripheral contact, these tabs 32 passing through openings formed in the connector 24.
  • the tabs 32 may be obtained by folding a tongue 34, the latter being able to be continued by a part 36 intended to come into contact with the printed circuit board 16 and to be connected to it, for example by welding.
  • the conductor 28 will advantageously be made of a material having a certain elasticity, so as to ensure good electrical contact between the tabs 32 and the electrical pads contained in the socket receiving the connector 24.
  • the conductor 30 may be made in the form of a cylindrical pin, and provide a central electrical contact in the axis of the cylindrical connector 24.
  • the conductor 30 is formed with a first end 38 in the center of the connector 24 providing electrical contact with a central electrical pad contained in the socket receiving the connector 24, and with a second end 40 intended to come into contact with the printed circuit board 16 and to be connected to it, for example by welding.
  • the conductors 28 and 30 are held in place in the connector 24 while being separated from one another, the connector being for example obtained by overmolding the insulating material constituting the housing 12 and the connector 24 on the conductors 28 and 30.
  • the transparent cover (20) includes means for deflecting the light rays emitted. by the light emitting diode (s) 14.
  • Such deflection means may for example comprise a first element 42, situated in the vicinity of the diode (s) 14, and capable of distributing the light emitted by the light emitting diode (s) in a plane YZ substantially perpendicular to the general direction of X emission substantially homogeneously on a second element 44, generally plate-shaped and adapted to straighten the light incident on it substantially towards the general direction of emission X'-X, according to the lighting or signaling function concerned .
  • Such deflection means are for example described in document FR-A-2 813 379, in the name of the Applicant.
  • the cover 20 may for example comprise ribs 46 intended to cooperate with grooves 48 formed in the inner wall 18 of the housing 12.
  • the module 10 is then ready to be used. As shown diagrammatically in section in Figure 2, simply engage the connector 24 in the socket 50 provided in the lighting or signaling device to be equipped.
  • This socket 50 was for example provided for receiving the base of an incandescent lamp cooperating with a reflector 52 to form a lighting or signaling beam.
  • the module is fixed in the sleeve 50 by a rotation, so that the module 10 is bayonet mounted in the sleeve 50.
  • the connector 24 thus serves both to position the module in the lighting or signaling device, and its power supply.
  • a module for using in a lighting or signaling device a light emitting diode in place of an incandescent source without having to completely overhaul the architecture of the lighting device or signaling, and also making it possible to produce a lighting or signaling device comprising both incandescent sources and light-emitting diodes, which comprises only one printed circuit to supply power to both types of sources light, the module itself comprising the printed circuit for the power supply of the light emitting diode or diodes it contains.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Led Device Packages (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The feeding and positioning module (10) comprises a box (12) forming support for an electro-luminescent diode (14), and an electrical feed connector (24). The connector takes the form and dimensions of the body of the incandescent lamp, the box and the connector being of a single piece, and the electro-luminescent diode is mounted on a printed circuit (16). The box includes abutments (22) for positioning the printed circuit carrying the electro-luminescent diode.

Description

La présente invention concerne de manière générale les dispositifs d'éclairage ou de signalisation, dont les sources lumineuses sont à incandescence, et que l'on désire changer par des sources lumineuses du type de diodes électroluminescentes.The present invention generally relates to lighting or signaling devices, whose light sources are incandescent, and that it is desired to change by light sources of the type of light emitting diodes.

Une telle situation peut par exemple se rencontrer dans les dispositifs d'éclairage ou de signalisation de véhicules automobiles, des tels dispositifs d'éclairage ou de signalisation comportant des sources lumineuses à incandescence seules ou associées à des sources constituées de diodes électroluminescentes.Such a situation can for example be encountered in lighting or signaling devices of motor vehicles, such lighting or signaling devices comprising incandescent light sources alone or associated sources consisting of light emitting diodes.

Les diodes électroluminescentes ont de manière connue une durée de vie beaucoup plus élevée que celle des sources à incandescence. L'utilisation de diodes électroluminescentes permet de profiter de leur faible encombrement pour réaliser des dispositifs d'éclairage ou de signalisation relativement compacts. De plus, le faible dégagement de chaleur provoqué par le fonctionnement des diodes électroluminescentes permet par exemple d'utiliser dans leur environnement immédiat des matières plastiques, alors que des lampes à incandescence ou à halogènes imposeraient dans les mêmes conditions l'utilisation de matériaux pouvant supporter des températures élevées. Il en résulte donc un encombrement et un coût réduits.Electroluminescent diodes have a known way of life much higher than that of incandescent sources. The use of light-emitting diodes makes it possible to take advantage of their small size to produce relatively compact lighting or signaling devices. In addition, the low heat generated by the operation of the light-emitting diodes makes it possible, for example, to use plastics in their immediate environment, whereas incandescent or halogen lamps would impose under the same conditions the use of materials that can withstand high temperatures. This results in reduced size and cost.

On peut alors désirer remplacer des sources à incandescence par des diodes électroluminescentes, mais il est alors nécessaire de modifier profondément la structure du dispositif d'éclairage ou de signalisation pour pouvoir le faire. De plus, les dispositifs d'éclairage ou de signalisation doivent émettre, selon la fonction d'éclairage ou de signalisation dans laquelle la source à incandescence est utilisée, un faisceau lumineux dont la photométrie est définie réglementairement. Le simple remplacement d'une source à incandescence par une diode électroluminescente aura alors pour résultat que le faisceau lumineux n'aura plus la photométrie réglementaire.It may then be desired to replace incandescent sources with light-emitting diodes, but it is then necessary to profoundly modify the structure of the lighting or signaling device to be able to do so. In addition, the lighting or signaling devices must emit, according to the lighting or signaling function in which the incandescent source is used, a light beam whose photometry is defined by regulation. The simple replacement of an incandescent source by a light-emitting diode will then result in the light beam no longer having the regulatory photometry.

Il est d'autres cas où le dispositif d'éclairage ou de signalisation comporte à la fois des sources à incandescence et des diodes électroluminescentes pour assurer différentes fonctions. Par construction, il est alors nécessaire de prévoir dans ce dispositif d'éclairage ou de signalisation, deux circuits imprimés différents, l'un pour les sources à incandescence, l'autre pour les diodes électroluminescentes, de manière à ce que les faisceaux lumineux émis par ces sources différentes soient réglementaires.There are other cases where the lighting or signaling device comprises both incandescent sources and light-emitting diodes to perform different functions. By construction, it is then necessary to provide in this lighting or signaling device, two different printed circuits, one for the incandescent sources, the other for the light emitting diodes, so that the light beams emitted by these different sources are regulatory.

Le document US 5 947 588 décrit un module de positionnement et d'alimentation de plusieurs diodes électroluminescentes, le module comportant un boîtier formant support pour plusieurs diodes électroluminescentes et un connecteur d'alimentation électrique. Le connecteur a la forme et les dimensions du culot d'une lampe à incandescence, le boîtier et le connecteur étant d'une seule pièce et les diodes électroluminescentes étant montées sur un circuit imprimé.Document US 5,947,588 describes a module for positioning and supplying a plurality of light-emitting diodes, the module comprising a housing forming a support for a plurality of light-emitting diodes and a power supply connector. The connector has the shape and the dimensions of the base of an incandescent lamp, the housing and the connector being in one piece and the light-emitting diodes being mounted on a printed circuit.

La présente invention se place dans ce contexte et elle a pour but de proposer un module permettant d'utiliser dans un dispositif d'éclairage ou de signalisation une diode électroluminescente à la place d'une source à incandescence, sans avoir à remanier complètement l'architecture du dispositif d'éclairage ou de signalisation, et permettant également de réaliser un dispositif d'éclairage ou de signalisation comportant à la fois des sources à incandescence et des diodes électroluminescentes, qui ne comporte qu'un seul circuit imprimé pour assurer l'alimentation de deux types de sources lumineuses.The present invention is placed in this context and its purpose is to propose a module for using in a lighting or signaling device a light emitting diode instead of an incandescent source, without having to completely overhaul the architecture of the lighting or signaling device, and also making it possible to produce a lighting or signaling device comprising both incandescent sources and light-emitting diodes, which comprises only one printed circuit for providing power two types of light sources.

La présente invention a donc pour objet un module de positionnement et d'alimentation d'une diode électroluminescente, le module comportant un boîtier formant support pour au moins une diode électroluminescente et un connecteur d'alimentation électrique, le connecteur ayant la forme et les dimensions du culot d'une lampe à incandescence, le boîtier et le connecteur étant d'une seule pièce, et chaque diode électroluminescente étant montée sur un circuit imprimé.The subject of the present invention is therefore a module for positioning and supplying a light-emitting diode, the module comprising a housing forming a support for at least one light-emitting diode and a power supply connector, the connector having the shape and dimensions the base of an incandescent lamp, the housing and the connector being in one piece, and each light-emitting diode being mounted on a printed circuit.

Selon la présente invention, le boîtier est fermé par un couvercle transparent permettant le passage des rayons lumineux émis par chaque diode électroluminescente selon une direction générale d'émission, le couvercle comportant des moyens de déviation des rayons lumineux émis par chaque diode électroluminescente pour obtenir un faisceau lumineux ayant la photométrie requise.According to the present invention, the housing is closed by a transparent cover allowing the light rays emitted by each light-emitting diode to pass through in a general direction of emission, the cover comprising means for deflecting the light rays emitted by each light-emitting diode to obtain a light-emitting diode. light beam having the required photometry.

Selon d'autres caractéristiques avantageuses et non limitatives de l'invention:

  • le boîtier comporte des butées de positionnement du circuit imprimé portant la diode électroluminescente.
  • le couvercle transparent est fixé sur le boîtier par enciquetage.
  • les moyens de déviation des rayons lumineux émis par chaque diode électroluminescente comprennent un premier élément apte à répartir la lumière émise par chaque diode électroluminescente dans un plan essentiellement perpendiculaire à la direction générale d'émission, de façon essentiellement homogène sur un deuxième élément en forme générale de plaque et apte à redresser la lumière incidente sur lui sensiblement vers la direction générale d'émission.
  • le module comporte des conducteurs électriques entre le connecteur et le circuit imprimé portant la diode électroluminescente.
According to other advantageous and nonlimiting features of the invention:
  • the housing comprises positioning stops of the printed circuit carrying the light-emitting diode.
  • the transparent cover is fixed on the housing by ratcheting.
  • the means for deflecting the light rays emitted by each light-emitting diode comprise a first element capable of distributing the light emitted by each light-emitting diode in a plane essentially perpendicular to the general direction emission substantially homogeneously on a second element generally plate-shaped and adapted to straighten the light incident on it substantially towards the general direction of emission.
  • the module comprises electrical conductors between the connector and the printed circuit carrying the light emitting diode.

D'autres buts, caractéristiques et avantages de la présente invention ressortiront clairement de la description qui va maintenant être faite d'un exemple de réalisation donné à titre non limitatif en référence aux dessins annexés sur lesquels :

  • La Figure 1 représente une vue éclatée d'un module selon la présente invention,
  • La Figure 2 représente une vue en coupe du module de la Figure 1, et
  • Les Figures 3A et 3B représentent des vues en perspective de conducteurs électriques équipant le module de la Figure 1.
Other objects, features and advantages of the present invention will become apparent from the description which will now be made of an embodiment given without limitation with reference to the accompanying drawings, in which:
  • FIG. 1 represents an exploded view of a module according to the present invention,
  • FIG. 2 represents a sectional view of the module of FIG. 1, and
  • Figures 3A and 3B show perspective views of electrical conductors equipping the module of Figure 1.

Sur les différentes Figures, les éléments identiques ou jouant le même rôle sont affectés des mêmes signes de référence.In the different figures, identical elements or elements playing the same role are assigned the same reference signs.

On a représenté sur les Figures un module de positionnement et d'alimentation d'une diode électroluminescente, ce module étant désigné dans son ensemble par la référence 10. Le module comporte un boîtier 12 formant support pour au moins une diode électroluminescente 14, deux telles diodes ayant été représentées sur la Figure 1. Les diodes 14 sont montées sur un circuit imprimé 16, dont le pourtour extérieur est complémentaire de la forme de la paroi intérieure 18 du boîtier 12.FIGS is a diagram of a positioning and supply module of a light-emitting diode, this module being designated as a whole by the reference 10. The module comprises a housing 12 forming a support for at least one light-emitting diode 14, two such diodes having been shown in FIG. 1. The diodes 14 are mounted on a printed circuit board 16 whose outer periphery is complementary to the shape of the inner wall 18 of the housing 12.

Le boîtier 12 est fermé par un couvercle 20, réalisé en un matériau transparent de manière à permettre le passage des rayons lumineux émis par la diode électroluminescente 14 selon une direction générale d'émission X.The housing 12 is closed by a cover 20, made of a transparent material so as to allow the passage of the light rays emitted by the light emitting diode 14 in a general direction of emission X.

De manière à assurer le positionnement de la ou des diodes 14, le boîtier comporte des butées 22 sur lesquelles vient en butée le circuit imprimé portant les diodes 14. Les butées 22 peuvent par exemple être obtenues par des épaulements 22 formés sur la paroi intérieure 18 du boîtier 12.In order to ensure the positioning of the diode or diodes 14, the housing comprises stops 22 on which abuts the printed circuit carrying the diodes 14. The stops 22 may for example be obtained by shoulders 22 formed on the inner wall 18 of the housing 12.

Le boîtier 12 comporte également un connecteur d'alimentation électrique 24. De manière avantageuse, le boîtier 12 et le connecteur 24 sont d'une seule pièce, et obtenus par exemple par moulage par injection d'une matière thermoplastique.The housing 12 also comprises a power supply connector 24. Advantageously, the housing 12 and the connector 24 are in one piece, and obtained for example by injection molding of a thermoplastic material.

Conformément à la présente invention, le connecteur 24 a la forme et les dimensions du culot d'une lampe à incandescence. Dans le mode de réalisation représenté sur la Figure 1, le connecteur 24 est cylindrique, et comporte des excroissances 26 permettant son montage à baïonnette dans une douille conventionnelle, destinée à recevoir le culot d'une lampe à incandescence.According to the present invention, the connector 24 has the shape and the dimensions of the base of an incandescent lamp. In the embodiment shown in Figure 1, the connector 24 is cylindrical, and has protrusions 26 for mounting bayonet in a conventional socket for receiving the base of an incandescent lamp.

De manière à assurer l'alimentation électrique de la ou des diodes, le module comporte des conducteurs électriques 28 et 30 entre le connecteur 24 et le circuit imprimé 16 portant la ou les diodes électroluminescentes. De tels conducteurs sont représentés sur les Figures 3 et 4, et sont plus particulièrement destinés à assurer un contact électrique central dans l'axe du connecteur cylindrique 24 et un contact électrique à la périphérie du connecteur 24.In order to ensure the power supply of the diode or diodes, the module comprises electrical conductors 28 and 30 between the connector 24 and the printed circuit 16 carrying the light emitting diode (s). Such conductors are shown in FIGS. 3 and 4, and are more particularly intended to ensure a central electrical contact in the axis of the cylindrical connector 24 and an electrical contact at the periphery of the connector 24.

Par exemple, le conducteur 28 peut comporter des pattes 32 pour un contact périphérique, ces pattes 32 passant par des ouverture formées dans le connecteur 24. Les pattes 32 peuvent être obtenues par pliage d'une languette 34, cette dernière pouvant se continuer par une partie 36 destinée à venir au contact du circuit imprimé 16 et lui être connectée, par exemple par soudure. Le conducteur 28 sera avantageusement réalisé en un matériau présentant une certaine élasticité, de manière à assurer un bon contact électrique entre les pattes 32 et les plots électriques contenus dans la douille recevant le connecteur 24.For example, the conductor 28 may comprise tabs 32 for peripheral contact, these tabs 32 passing through openings formed in the connector 24. The tabs 32 may be obtained by folding a tongue 34, the latter being able to be continued by a part 36 intended to come into contact with the printed circuit board 16 and to be connected to it, for example by welding. The conductor 28 will advantageously be made of a material having a certain elasticity, so as to ensure good electrical contact between the tabs 32 and the electrical pads contained in the socket receiving the connector 24.

De la même manière, le conducteur 30 pourra être réalisé sous la forme d'un pion cylindrique, et assurer un contact électrique central dans l'axe du connecteur cylindrique 24. Le conducteur 30 est formé avec une première extrémité 38 au centre du connecteur 24 assurant le contact électrique avec un plot électrique central contenu dans la douille recevant le connecteur 24, et avec une seconde extrémité 40 destinée à venir au contact du circuit imprimé 16 et lui être connectée, par exemple par soudure.In the same way, the conductor 30 may be made in the form of a cylindrical pin, and provide a central electrical contact in the axis of the cylindrical connector 24. The conductor 30 is formed with a first end 38 in the center of the connector 24 providing electrical contact with a central electrical pad contained in the socket receiving the connector 24, and with a second end 40 intended to come into contact with the printed circuit board 16 and to be connected to it, for example by welding.

Les conducteurs 28 et 30 sont maintenus en place dans le connecteur 24 en étant séparés l'un de l'autre, le connecteur étant par exemple obtenu par surmoulage du matériau isolant constituant le boîtier 12 et le connecteur 24 sur les conducteurs 28 et 30.The conductors 28 and 30 are held in place in the connector 24 while being separated from one another, the connector being for example obtained by overmolding the insulating material constituting the housing 12 and the connector 24 on the conductors 28 and 30.

Pour obtenir le faisceau lumineux ayant la photométrie requise par la fonction d'éclairage ou de signalisation dont la ou les diodes électroluminescentes 14 sont la ou les sources lumineuses, on pourra avantageusement prévoir que le couvercle transparent 20 comporte des moyens de déviation des rayons lumineux émis par la ou les diodes électroluminescentes 14.In order to obtain the light beam having the photometry required by the lighting or signaling function of which the light-emitting diode (s) 14 are the light source (s), it may advantageously be provided that the transparent cover (20) includes means for deflecting the light rays emitted. by the light emitting diode (s) 14.

De tels moyens de déviation peuvent par exemple comporter un premier élément 42, situé au voisinage de la ou des diodes 14, et apte, à répartir la lumière émise par la ou les diodes électroluminescentes dans un plan YZ essentiellement perpendiculaire à la direction générale d'émission X, de façon essentiellement homogène sur un deuxième élément 44, en forme générale de plaque et apte à redresser la lumière incidente sur lui sensiblement vers la direction générale d'émission X'-X, selon la fonction d'éclairage ou de signalisation concernée.Such deflection means may for example comprise a first element 42, situated in the vicinity of the diode (s) 14, and capable of distributing the light emitted by the light emitting diode (s) in a plane YZ substantially perpendicular to the general direction of X emission substantially homogeneously on a second element 44, generally plate-shaped and adapted to straighten the light incident on it substantially towards the general direction of emission X'-X, according to the lighting or signaling function concerned .

De tels moyens de déviation sont par exemple décrits dans le document FR-A-2 813 379, au nom de la Demanderesse.Such deflection means are for example described in document FR-A-2 813 379, in the name of the Applicant.

Pour faciliter le montage du couvercle 20 sur le boîtier 12, on pourra prévoir que le couvercle transparent soit fixé sur le boîtier par encliquetage. Le couvercle 20 pourra par exemple comporter des nervures 46, destinées à coopérer avec des sillons 48 formés dans la paroi intérieure 18 du boîtier 12.To facilitate the mounting of the cover 20 on the housing 12, it can be provided that the transparent cover is fixed on the housing by snapping. The cover 20 may for example comprise ribs 46 intended to cooperate with grooves 48 formed in the inner wall 18 of the housing 12.

Pour assembler le module de la présente invention, il suffit de disposer le circuit imprimé 16 sur les butées 22, puis de souder les conducteurs 28 et 30 sur ce circuit imprimé. Le couvercle 20 peut alors être fixé, par encliquetage, sur le boîtier 12.To assemble the module of the present invention, it is sufficient to arrange the printed circuit board 16 on the stops 22, and then to weld the conductors 28 and 30 on this printed circuit board. The cover 20 can then be fixed, by snapping, on the housing 12.

Le module 10 est alors prêt à être utilisé. Comme on l'a représenté schématiquement en coupe sur la Figure 2, il suffit d'engager le connecteur 24 dans la douille 50 prévue dans le dispositif d'éclairage ou de signalisation à équiper. Cette douille 50 était par exemple prévue pour recevoir le culot d'une lampe à incandescence, coopérant avec un réflecteur 52 pour former un faisceau d'éclairage ou de signalisation. De la même manière que pour cette lampe, on fixe le module dans la douille 50 par une rotation, de sorte que le module 10 est monté à baïonnette dans la douille 50. Le connecteur 24 sert ainsi à la fois au positionnement du module dans le dispositif d'éclairage ou de signalisation, et à son alimentation électrique.The module 10 is then ready to be used. As shown diagrammatically in section in Figure 2, simply engage the connector 24 in the socket 50 provided in the lighting or signaling device to be equipped. This socket 50 was for example provided for receiving the base of an incandescent lamp cooperating with a reflector 52 to form a lighting or signaling beam. In the same way as for this lamp, the module is fixed in the sleeve 50 by a rotation, so that the module 10 is bayonet mounted in the sleeve 50. The connector 24 thus serves both to position the module in the lighting or signaling device, and its power supply.

On a donc bien réalisé selon la présente invention un module permettant d'utiliser dans un dispositif d'éclairage ou de signalisation une diode électroluminescente à la place d'une source à incandescence, sans avoir à remanier complètement l'architecture du dispositif d'éclairage ou de signalisation, et permettant également de réaliser un dispositif d'éclairage ou de signalisation comportant à la fois des sources à incandescence et des diodes électroluminescentes, qui ne comporte qu'un seul circuit imprimé pour assurer l'alimentation de des deux types de sources lumineuses, le module comportant lui-même le circuit imprimé pour l'alimentation de la ou des diodes électroluminescentes qu'il contient.It has therefore been realized according to the present invention a module for using in a lighting or signaling device a light emitting diode in place of an incandescent source, without having to completely overhaul the architecture of the lighting device or signaling, and also making it possible to produce a lighting or signaling device comprising both incandescent sources and light-emitting diodes, which comprises only one printed circuit to supply power to both types of sources light, the module itself comprising the printed circuit for the power supply of the light emitting diode or diodes it contains.

Bien entendu, la présente invention n'est pas limitée aux modes de réalisation qui ont été décrits, mais l'homme du métier pourra au contraire lui apporter de nombreuses modifications qui rentrent dans son cadre. C'est ainsi par exemple qu'on pourra prévoir un montage du module par vissage, au lieu du montage à baïonnette qui a été décrit.Of course, the present invention is not limited to the embodiments that have been described, but the skilled person may instead make many changes that fall within its scope. For example, it will be possible to provide mounting of the module by screwing, instead of the bayonet assembly that has been described.

Claims (5)

  1. Module (10) for mounting and powering a light-emitting diode (14), the module (10) comprising a box (12) forming a support for at least one light-emitting diode (14) and a power supply connector (24), the connector (24) having the shape and the dimensions of the stem of an incandescent lamp, the box (12) and the connector (24) being in one piece, and each light-emitting diode (14) being positioned on a printed circuit (16) characterized in that the box (12) is closed by a transparent cover (20) allowing the passage of the light rays emitted by each light-emitting diode (14) in a general direction of emission (X), the transparent cover (20) comprising means (42, 44) for deviating the light rays emitted by each light-emitting diode (14) so as to obtain a light beam having the required photometry.
  2. Module (10) according to Claim 1, characterized in that the box (12) comprises abutments (22) for mounting the printed circuit (16) carrying the light-emitting diode (14).
  3. Module (10) according to one of Claims 1 and 2, characterized in that the transparent cover (20) is fixed to the box by snap-fastening (46, 48).
  4. Module (10) according to one of Claims 1 to 3, characterized in that the means (42, 44) for deviating the light rays emitted by each light-emitting diode (14) comprise a first element (42) able to distribute the light emitted by each light-emitting diode (14) in a plane YZ essentially perpendicular to the general direction of emission (X), in an essentially homogeneous manner over a second element (44) in the general form of a plate and able to straighten the light incident on it substantially towards the general direction of emission (X).
  5. Module (10) according to one of Claims 1 to 4, characterized in that it comprises electrical conductors (28, 30) between the connector (24) and the printed circuit (16) carrying the light-emitting diode (14).
EP03292243A 2002-09-12 2003-09-11 Power supply and mounting module for light-emitting diode Expired - Lifetime EP1398563B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0211346A FR2844579B1 (en) 2002-09-12 2002-09-12 MODULE FOR POSITIONING AND SUPPLYING LIGHT EMITTING DIODE
FR0211346 2002-09-12

Publications (2)

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EP1398563A1 EP1398563A1 (en) 2004-03-17
EP1398563B1 true EP1398563B1 (en) 2006-02-22

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EP03292243A Expired - Lifetime EP1398563B1 (en) 2002-09-12 2003-09-11 Power supply and mounting module for light-emitting diode

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EP (1) EP1398563B1 (en)
AT (1) ATE318390T1 (en)
DE (1) DE60303655T2 (en)
FR (1) FR2844579B1 (en)

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US11744026B1 (en) 2022-08-03 2023-08-29 Appleton Grp Llc Chassis housing and support structures to secure a circuit board within the chassis housing

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DE102006032428A1 (en) * 2005-09-30 2007-04-05 Osram Opto Semiconductors Gmbh Radiation emitting component for use as surface mount device component, has housing body including fastening device, which is curved or provided with projection in such a manner that optical unit is irreversibly fixed at housing body
WO2009053887A2 (en) * 2007-10-26 2009-04-30 Koninklijke Philips Electronics N.V. Illumination system
DE202009009802U1 (en) * 2009-07-17 2010-11-25 Steinel Gmbh Luminaire module unit
DE102009055858A1 (en) * 2009-11-26 2011-06-01 Osram Gesellschaft mit beschränkter Haftung Lighting device and method for building a lighting device

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US5947588A (en) * 1997-10-06 1999-09-07 Grand General Accessories Manufacturing Inc. Light fixture with an LED light bulb having a conventional connection post
US6276822B1 (en) * 1998-02-20 2001-08-21 Yerchanik Bedrosian Method of replacing a conventional vehicle light bulb with a light-emitting diode array
DE29915140U1 (en) * 1999-08-29 1999-11-25 Strobl Thomas LED spotlight
DE20014813U1 (en) * 2000-08-26 2000-12-14 Mueller Stefan Compact, multi-beam LED light set
FR2813379B1 (en) 2000-08-28 2002-11-29 Valeo Vision SIGNAL LIGHT WITH SIMPLIFIED OPTICAL STRUCTURE
US6357902B1 (en) * 2000-09-25 2002-03-19 Brian Horowitz After market LED taillight bulb

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Publication number Priority date Publication date Assignee Title
US11744026B1 (en) 2022-08-03 2023-08-29 Appleton Grp Llc Chassis housing and support structures to secure a circuit board within the chassis housing

Also Published As

Publication number Publication date
FR2844579B1 (en) 2005-05-27
EP1398563A1 (en) 2004-03-17
ATE318390T1 (en) 2006-03-15
DE60303655D1 (en) 2006-04-27
DE60303655T2 (en) 2006-12-14
FR2844579A1 (en) 2004-03-19

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