EP2809984B1 - Led-beleuchtungsmodul für die rückleuchten eines kraftfahrzeugs - Google Patents

Led-beleuchtungsmodul für die rückleuchten eines kraftfahrzeugs Download PDF

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Publication number
EP2809984B1
EP2809984B1 EP13701483.3A EP13701483A EP2809984B1 EP 2809984 B1 EP2809984 B1 EP 2809984B1 EP 13701483 A EP13701483 A EP 13701483A EP 2809984 B1 EP2809984 B1 EP 2809984B1
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EP
European Patent Office
Prior art keywords
light
leds
function
mirror
semi
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.)
Active
Application number
EP13701483.3A
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English (en)
French (fr)
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EP2809984A1 (de
Inventor
Alain Buisson
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.)
Marelli Automotive Lighting France SAS
Original Assignee
Marelli Automotive Lighting France SAS
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Application filed by Marelli Automotive Lighting France SAS filed Critical Marelli Automotive Lighting France SAS
Priority to PL13701483T priority Critical patent/PL2809984T4/pl
Publication of EP2809984A1 publication Critical patent/EP2809984A1/de
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Publication of EP2809984B1 publication Critical patent/EP2809984B1/de
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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
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/33—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • 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
    • F21S43/20—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
    • F21S43/235—Light guides
    • F21S43/251—Light guides the light guides being used to transmit light from remote light sources

Definitions

  • the present invention relates to the field of vehicle lighting and signaling, in particular motor vehicles. It relates more particularly to a device providing a three-dimensional effect (hereinafter referred to as the 3D effect) to the rear signaling and / or lighting lights of motor vehicles.
  • the 3D effect a three-dimensional effect
  • Such a device is for example known from the document WO 2011/113937 A1 .
  • a device for motor vehicle traffic lights providing a relief effect, and consisting of a combination of mirrors and semi-transparent mirrors, as well as a curtain or a guide- curtain, constituting a set of means by which the light emitted by at least one LED is distributed over the surface of the curtain and diffused with a striking relief effect.
  • the present invention aims to provide an original and particularly compact and practical means to implement, capable of providing a 3D effect to part of the lighting of the rear lights of motor vehicles.
  • the device according to the invention also makes it possible to add stylistic effects to the rear lights of said vehicles.
  • Another objective of the invention is to provide the maximum functionality, in an advantageously modular minimum volume, to a set of motor vehicle taillights, and yet to obtain a set of taillights providing not only the lighting and other expected , but still delivering images with 3D effect.
  • the device according to the invention can thus be qualified as the first “modular full LED” light, that is to say having only LEDs as light sources and in modular form.
  • such a module combines at least 2 LEDs associated with means intended to perform the function of light guide for a lantern, and 2 additional red LEDs for the stop function and / or 2 LEDs. additional orange for the flashing function and / or 2 additional white LEDs for the reversing function, while the LEDs for the stop function and for the flashing function can also be amber.
  • the light guide is advantageously of the type of those known to those skilled in the art, or as described in the patent application.
  • FR 0905984 of 11.12.2009 published under the number 2953781 A1 on behalf of the same plaintiff.
  • the mirror comprises at least one spare, that is to say at least one transparent or perforated surface part, located opposite at least one additional LED for stop function and / or for flashing function or reversing light.
  • the semi-transparent screen comprises, for its part, a savings opposite each of the light beams from the additional LEDs or opposite some of them.
  • the function of one or more additional LEDs does not itself have a 3D effect, the light emitted by this or these affected additional LED (s) passing through an optic suitable for its distribution into sub-beams, which pass through a saving. appropriate mirror and appropriate sparing of the semi-transparent screen.
  • the modular device according to the invention has the remarkable advantage of being able to be designed to be extremely compact.
  • a module in accordance with the invention can comprise, apart from assembly and / or junction elements, as well as the wiring and connections not shown, at least one printed circuit board 1, at least one light 2, at least two light concentrating optical parts for the stop function 3 and at least two light diffusing optical parts for the stop function 3 ', a mirror 4, a semi-transparent screen 5, and a housing assembly 6.
  • the light guide 2 for lantern and stop advantageously comprises at least two spare parts 7, while mirror 4 has at least two spare parts 8 and the semi-transparent screen 5 has at least two spare parts 9.
  • the stop function with 3D effect is provided by a set of 2 LEDs 10 combined with a light guide or curtain guide oriented appropriately to allow the spread of the light beam by successive reflections between the mirror and the semi screen. -transparent.
  • other LEDs, 10 '(two in number in the example illustrated) are assigned to the lantern function.
  • the stop function itself does not have a 3D effect.
  • the light emitted by the LEDs 10 passes through an optic suitable for its distribution in sub-beams 11, which pass through an appropriate spar 8 of the mirror 4 and an appropriate spar 9 of the semi-transparent screen 5.
  • At least one LED 10 is able to emit a light borrowing a light guide 2 combined with a mirror 4 in front of which is interposed a semi-transparent screen 5.
  • the light guide is not plane but conical, elliptical, semi-elliptical, hyperbolic, spiral, spiral logarithmic, helical, or other, the reflected light rays from successive reflections converge at the point of view of the observer.
  • the semi-transparent screen may or may not be provided with one or more savings.
  • stop function can be supplemented or replaced by a flashing function, with an amber LED and suitable control electronics.
  • the subject of the invention is also a light for a motor vehicle comprising a rear light device as described above.
  • the lighting module in particular for rear lights of motor vehicles, is in a compact form, and nevertheless provides intensities and functional lighting distributions satisfying the standards and even substantially improved, while the assembly of the device constitutes a removable and replaceable module if necessary, particularly practical and compact.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)

Claims (9)

  1. Rückleuchtenvorrichtung für Kraftfahrzeuge, die dazu ausgelegt ist, einen 3D-Effekt zu erzeugen, die mehrere Lichtquellen vom Typ Leuchtdiode aufweist, wobei die Vorrichtung aus einem Modul besteht, das, in der Richtung des (bzw. der) von den Leuchtdioden ausgesandten Lichtstrahls (bzw. im Wesentlichen parallelen Lichtstrahlen) von hinten nach vorne
    - eine Platte mit gedruckten Schaltungen (1), abgekürzt als PCB bezeichnet, mit wenigstens drei mittels geeigneter gedruckter Schaltungen und einer äußeren Stromversorgung betriebenen Leuchtdioden,
    - einen Lichtleiter (2),
    - geeignete optische Elemente (3, 3') zum Führen und/oder beliebigen Verteilen der Strahlen einer oder mehrerer der Leuchtdioden (10),
    - einen Spiegel (4) mit oder ohne Aussparungszonen (8),
    - wenigstens einen halbdurchlässigen Schirm (5)
    aufweist,
    dadurch gekennzeichnet, daß die Vorrichtung wenigstens zwei Leuchtdioden (10'), die Mitteln zugeordnet sind, die dazu bestimmt sind, die Funktion eines Lichtleiters für Standlicht sicherzustellen, und zwei zusätzliche rote Leuchtdioden (10) für die Funktion Bremslicht und/oder zwei zusätzliche orangefarbene Leuchtdioden (10) für die Funktion Blinker und/oder zwei zusätzliche Leuchtdioden (10) weißer Farbe für die Funktion Rückfahrlicht aufweist und daß der Spiegel (4) wenigstens eine gegenüber wenigstens einer zusätzlichen Leuchtdiode (10) für die Funktion Bremslicht und/oder für die Funktion Blinker oder für die Funktion Rückfahrlicht angeordnete Aussparung (8) aufweist und daß der halbdurchlässige Schirm (5) eine gegenüber jedem der von den zusätzlichen Leuchtdioden (10) ausgehenden Lichtstrahlen oder gegenüber einigen von ihnen angeordnete Aussparung (9) aufweist, und daß die Funktion einer oder mehrerer zusätzlicher Leuchtdioden (10) nicht selbst den 3D-Effekt aufweist, wobei das von dieser oder diesen zugeordneten zusätzlichen Leuchtdioden (10) ausgesandte Licht eine Optik durchläuft, die für dessen Aufteilung in Unter-Strahlen (11) geeignet ist, die eine geeignete Aussparung (8) des Spiegels (4) und eine geeignete Aussparung (9) des halbdurchlässigen Schirms (5) durchqueren.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß sie in modularer Form vorliegt und nur Leuchtdioden als Lichtquellen aufweist.
  3. Vorrichtung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, daß sie außer Einbau- und/oder Verbindungselementen sowie klassischen Verkabelungen und Anschlüssen wenigstens eine Platte (1) mit gedruckten Schaltungen, wenigstens einen Lichtleiter (2), wenigstens zwei optische Teile (3) zum Konzentrieren des Lichts für die Funktion Bremslicht und wenigstens zwei optische Teile (3') zum Streuen des Lichts für die Funktion Bremslicht, einen Spiegel (4), einen halbdurchlässigen Schirm (5) und ein Gehäuse (6) für den Zusammenbau aufweist.
  4. Vorrichtung gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Spiegel plan, konisch, elliptisch, halbelliptisch, hyperbolisch, spiralförmig, in Form einer logarithmischen Spirale, schneckenförmig oder anders ist.
  5. Vorrichtung gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Bremslichtfunktion durch eine Blinkerfunktion mit einer bernsteinfarbenen Leuchtdiode und einer angepaßten Steuerelektronik vervollständigt ist.
  6. Vorrichtung gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die auf dem Weg der Lichtstrahlen zwischen der Platte mit gedruckten Schaltungen und dem Lichtleiter eingefügten optischen Teile im Wesentlichen aus kristallklaren optischen Teilen aus PMMA oder aus PC zusammengesetzt sind, die mit optischen Elementen vom Typ der Prismen versehen sind, mit gekörnten Oberflächen oder einem opalisierenden Material, das selbst auch aus PMMA oder PC ist, bedeckt sind oder auch nicht bedeckt sind, die ermöglichen, die Funktion Bremslicht, Blinker oder Rückfahrlicht zu bilden.
  7. Vorrichtung gemäß einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die auf dem Weg der Lichtstrahlen zwischen dem Lichtleiter und dem Spiegel an den Aussparungen desselben eingefügten optischen Teile im Wesentlichen aus kristallklaren optischen Teilen aus PMMA oder aus PC zusammengesetzt sind, die mit optischen Elementen vom Typ der Prismen versehen sind, während die Prismen an den Leuchtdioden und Streuungsmitteln angeordnete Kollimatorprismen sind.
  8. Vorrichtung gemäß einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß zwischen der Platine des Gehäuses (6) und dem Spiegel (4) ein Raum derart vorgesehen ist, daß der die Lichtstrahlen führende Lichtleiter direkt am Rand des zwischen dem Spiegel (4) und dem halbdurchlässigen Schirm (5) vorgesehenen Raums münden kann.
  9. Leuchte für ein Kraftfahrzeug, dadurch gekennzeichnet, daß sie eine Rückleuchtenvorrichtung gemäß einem der Ansprüche 1 bis 8 aufweist.
EP13701483.3A 2012-02-03 2013-01-30 Led-beleuchtungsmodul für die rückleuchten eines kraftfahrzeugs Active EP2809984B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13701483T PL2809984T4 (pl) 2012-02-03 2013-01-30 Moduł oświetlenia LED do tylnych świateł pojazdów silnikowych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1200271A FR2986604B1 (fr) 2012-02-03 2012-02-03 Module d'eclairage a led pour feux arriere de vehicule automobile
PCT/EP2013/051742 WO2013113728A1 (fr) 2012-02-03 2013-01-30 Module d'eclairage a led pour feux arriere de vehicule automobile

Publications (2)

Publication Number Publication Date
EP2809984A1 EP2809984A1 (de) 2014-12-10
EP2809984B1 true EP2809984B1 (de) 2020-11-25

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EP13701483.3A Active EP2809984B1 (de) 2012-02-03 2013-01-30 Led-beleuchtungsmodul für die rückleuchten eines kraftfahrzeugs

Country Status (5)

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EP (1) EP2809984B1 (de)
ES (1) ES2860936T3 (de)
FR (1) FR2986604B1 (de)
PL (1) PL2809984T4 (de)
WO (1) WO2013113728A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3035183B1 (fr) * 2015-04-17 2018-10-12 Valeo Vision Dispositif d'eclairage ou de signalisation lumineuse a effet de profondeur
FR3054022B1 (fr) 2016-07-18 2020-03-20 Valeo Vision Belgique Module lumineux pour vehicule automobile
CZ2016745A3 (cs) 2016-11-29 2018-06-06 Varroc Lighting Systems, s.r.o. Signální svítilna pro motorová vozidla
FR3078140B1 (fr) * 2018-02-19 2020-09-11 Automotive Lighting Rear Lamps France Dispositif de signalisation de securite attractive pour un vehicule automobile
EP3616988B1 (de) 2018-08-27 2023-05-31 Motherson Innovations Company Limited Beleuchtungsvorrichtung für ein personen- und/oder gütertransportmittel, verkleidungsbauteil für ein personen- und/oder gütertransportmittel mit einer derartigen beleuchtungsvorrichtung sowie ein personen- und/oder gütertransportmittel mit einem solchen verkleidungsbauteil
FR3099810A1 (fr) 2019-08-07 2021-02-12 Psa Automobiles Sa Élément optique pour dispositif lumineux à plusieurs fonctions photométriques et muret anti fuite lumineuse.
GB2612065A (en) * 2021-10-20 2023-04-26 Jaguar Land Rover Ltd Optical assembly

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Publication number Priority date Publication date Assignee Title
JP2006066130A (ja) * 2004-08-25 2006-03-09 Koito Mfg Co Ltd 車両用標識灯

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FR1001084A (fr) 1949-01-18 1952-02-19 Giuseppe Dubini & Co Broche à retordre à double torsion
US8985814B2 (en) * 2007-12-13 2015-03-24 Valeo North America, Inc. Dynamic three dimensional effect lamp assembly
FR2953781B1 (fr) 2009-12-11 2016-02-26 Automotive Lighting Rear Lamps France Dispositif pour feu de signalisation de vehicule automobile
FR2954457B1 (fr) * 2009-12-21 2014-08-22 Valeo Vision Dispositif de signalisation pour vehicule avec effet optique 3d
FR2957652B1 (fr) * 2010-03-19 2013-05-31 Automotive Lighting Rear Lamps France Dispositif pour procurer un effet d'infini a un feu de signalisation de vehicule automobile
DE102010021939A1 (de) * 2010-05-28 2011-12-01 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge

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Publication number Priority date Publication date Assignee Title
JP2006066130A (ja) * 2004-08-25 2006-03-09 Koito Mfg Co Ltd 車両用標識灯

Also Published As

Publication number Publication date
FR2986604B1 (fr) 2015-07-31
ES2860936T3 (es) 2021-10-05
WO2013113728A1 (fr) 2013-08-08
PL2809984T3 (pl) 2021-08-23
PL2809984T4 (pl) 2021-08-23
FR2986604A1 (fr) 2013-08-09
EP2809984A1 (de) 2014-12-10

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