EP0587501B1 - Kraftfahrzeug-Signalleuchte mit verbesserter seitlicher Sichtbarkeit - Google Patents

Kraftfahrzeug-Signalleuchte mit verbesserter seitlicher Sichtbarkeit Download PDF

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Publication number
EP0587501B1
EP0587501B1 EP93402196A EP93402196A EP0587501B1 EP 0587501 B1 EP0587501 B1 EP 0587501B1 EP 93402196 A EP93402196 A EP 93402196A EP 93402196 A EP93402196 A EP 93402196A EP 0587501 B1 EP0587501 B1 EP 0587501B1
Authority
EP
European Patent Office
Prior art keywords
mask
bar
lamp
light
lamp according
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
EP93402196A
Other languages
English (en)
French (fr)
Other versions
EP0587501A2 (de
EP0587501A3 (en
Inventor
Olmos José Ordonez
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0587501A2 publication Critical patent/EP0587501A2/de
Publication of EP0587501A3 publication Critical patent/EP0587501A3/fr
Application granted granted Critical
Publication of EP0587501B1 publication Critical patent/EP0587501B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21S43/20—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
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • 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
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
    • 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
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • 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
    • F21S43/255—Filters

Definitions

  • the present invention relates generally to the signaling lights of motor vehicles. It relates more particularly to lights capable of emitting colored radiation but having, when they are extinguished, an essentially colorless appearance. It may in particular be a front flashing light, disposed in the vicinity of a headlamp and for which a certain continuity of appearance is sought with said headlamp when the headlamp and the light are off.
  • One of these techniques consists in providing a translucent screen having the appropriate coloring in front of the light source and of a possible reflector, as well as a mask in front of said screen, to be formed on the external face of this mask, by for example by screen printing, opaque areas, for example reflective (obtained by depositing aluminum), and to provide on the inner side of the mask optical devices capable of concentrating the colored light having passed through the screen towards non-opacified areas, for example in the form of bands.
  • a drawback of the prior art lies in the fact that the light beam produced by the light is excessively directive along its optical axis, that is to say that the lateral visibility of the light is insufficient, until it does not conform to the photometry regulations in force.
  • JP-A 21 72 101 also discloses a signaling light comprising a return rod separated from conventional optical means for processing light; such an added bar cannot however be incorporated by a person skilled in the art in an obvious way into a fire of the type mentioned above without compromising its characteristics of colored beam and colorless appearance when it is extinguished.
  • the present invention aims to overcome the drawbacks of the prior art.
  • FIG. 1 there is shown a part of a front signaling light, in particular a front direction indicator flashing light, intended to be attached for example laterally to a headlight.
  • the fire includes a source and a mirror flow recuperator (not shown), a translucent screen 40 crossed by the radiation R from the source / mirror pair, intended to give this radiation the required amber coloration, a mask 50 and a lens, globe or closing light (not shown ).
  • the mask 50 has on its external face a profile in crenellations so as to form a set of projecting bands 51 whose end faces comprise an opaque coating 51a, preferably reflective, formed for example by screen printing. In the recessed strips 52 extending between two adjacent projecting strips, no coating is provided and the light can pass.
  • the radiation leaving the mask 50 then crosses the ice, to form the signaling beam.
  • the main object of such a mask 50 is to give the fire, when it is extinguished, a colorless and relatively bright appearance which harmonizes well with the aspect, extinguished, of a spotlight located in the vicinity of the fire, by masking as much as possible the translucent colored screen 40.
  • the radiation coming from the latter is mainly directed in a direction AA parallel to the optical axis of the light, and it is understood that the photometric requirements in terms of light emission in the lateral direction are fulfilled in a completely unacceptablely way.
  • the light comprises, in at least one of the lateral regions of the mask 50, a bar 55 of transparent material forming a light guide, extending towards the front of the light parallel or with a slight inclination relative to to the optical axis.
  • This bar ends with a bevelled face 56, inclined for example at 45 ° relative to the optical axis, so as to ensure, by total internal reflection, a retransmission, towards the side of the light, of the radiation entering said bar via an internal face 57.
  • the bar 55 is produced in a single piece with the mask 50, extending forward from the region of a lateral edge thereof.
  • the inclined face 56 of lateral reflection prefferably be frosted, so as to at the same time ensure a scattering effect of the light guided by the bar, so that the deflected light covers laterally a large angular field as required by the rules.
  • the lamp is indicated at 10, a base, part of which constitutes a flux recovery mirror, at 20, and the glass or sight glass at 30, the other parts or components bearing the same reference signs as on Figure 1.
  • the side edge of the mask 50 on the outer side (to the right in the figure) of the light is slightly recessed from the transition between the globe 30 and the body C of the vehicle.
  • the bar 55 is produced on the outside of the mask 50 and has an extension along the axis XX sufficient to project beyond this transition, so that the radiation guided and then reflected on the face 56 can exit the fire laterally without obstacle.
  • the bar 55 extends from the inner side edge of the mask 50, along an inner side cheek 21 defined by the base 20 of the light.
  • the bar 55 extends forward enough to allow the laterally deflected radiation to exit the globe 30 of the light with a sufficient angular extent ⁇ towards the rear of the vehicle, for example of the order of 30 to 45 ° with respect to the normal YY to the optical axis XX.
  • FIG 4 is similar in principle to that of Figure 2: the bar 55 is provided on the outside of the mask 50.
  • the flashing light and the associated projector share the same closing glass 30.
  • the bar forming a light guide and deflector 55 can be made in one piece, for example molded, with the mask 50.
  • the present invention makes it possible to give a lamp such as a front flashing lamp satisfactory properties in terms of light emission towards the side, and this without degrading the appearance of the lamp when it is extinguished. More specifically, because the bar 55 is made of colorless plastic, it is relatively invisible from the outside when the fire is out. In addition, the colored screen 40 located behind is very little visible through said bar.
  • a signaling light according to the present invention can be equipped, if desired, with two bars 55 extending from the two lateral edges of the mask 50, with different horizontal expanses towards the front (in this case, we combine the embodiments of Figures 2 and 3).
  • the same bar 55 is equipped with several inclined return faces 56a, 56b, 56c ..., offset with respect to each other both in the direction longitudinal of the bar and in its transverse direction, so as to obtain a multiplication of the places from which the light emitted laterally comes, to produce a less brilliant and more homogeneous lateral signaling.
  • the height of the bar (s) 55 may be equal to or less than that of the mask, the person skilled in the art being able to choose an appropriate height as a function of photometric and aesthetic considerations.

Claims (8)

  1. Signalleuchte für Kraftfahrzeuge der Bauart mit einer Lichtquelle (10), mit Mitteln (40) zur Farbgebung des Lichts, das aus der Quelle kommt, mit einer Blende (50), die lichtundurchlässige Bereiche (51a) und durchsichtige Bereiche (52) umfaßt, die so verteilt sind, daß sie die Wahrnehmung der Farbgebungsmittel dämpfen, wenn die Leuchte von außen betrachtet wird und mit einer Scheibe (30), dadurch gekennzeichnet, daß sie außerdem in wenigstens einem seitlichen Bereich der Blende wenigstens einen durchsichtigen farblosen Stab (55) umfaßt, der/die aus einem Stück mit der Blende gefertigt ist und sich parallel oder mit einer leichten Neigung in bezug zur Gesamtrichtung (X-X) des Lichtbündels, das aus der Blende kommt, erstreckt, wobei der Stab ein Lichtleitelement für die Strahlung bildet, die aus der Quelle in seine Richtung kommt und er eine freie geneigte Endfläche (56) aufweist, um durch Totalreflexion eine Rückstrahlung der Strahlung in eine allgemeine Richtung zu gewährleisten, die im wesentlichen quer zur Gesamtrichtung verläuft.
  2. Leuchte nach Anspruch 1, dadurch gekennzeichnet, daß die Blende (50) aus einem durchsichtigen farblosen Material gefertigt ist.
  3. Leuchte nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Leuchte seitlich auf der Außenseite eines Scheinwerfers angebracht ist und daß ein durchsichtiger farbloser Stab (55) vorgesehen ist, der/die sich ausgehend von einem Seitenbereich der Blende (50) erstreckt, der sich auf der zum Scheinwerfer entgegengesetzten Seite befindet.
  4. Leuchte nach Anspruch 3, dadurch gekennzeichnet, daß die Blende (50) im Seitenbereich zurückgesetzt in bezug zu einem Übergangsbereich zwischen der Scheibe (30) und der Karosserie (C) des Fahrzeugs vorgesehen ist und daß der Stab (55) eine solche Ausdehnung nach vorne hin aufweist, daß seine geneigte Endfläche (56) sich über den Übergangsbereich hinaus befindet.
  5. Leuchte nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Leuchte seitlich auf der Außenseite eines Scheinwerfers vorgesehen ist und daß ein durchsichtiger farbloser Stab (55) vorgesehen ist, der sich ausgehend von einem Seitenbereich der Blende erstreckt, der sich auf der Seite des Scheinwerfers längs einer seitlichen Wange eines Sockels (20) befindet.
  6. Leuchte nach Anspruch 5, dadurch gekennzeichnet, daß der Stab (55) eine solche Ausdehnung nach vorne aufweist, daß die Strahlung, die aus seiner geneigten Fläche kommt, sich mit einer bestimmten Neigung (Ω) zum rückwärtigen Teil des Fahrzeugs hin ausbreiten kann.
  7. Leuchte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwei durchsichtige farblose Stäbe (55) vorgesehen sind, die sich ausgehend von den zwei entgegengesetzten Seitenbereichen der Blende erstrecken und horizontal verschiedene Längen besitzen.
  8. Leuchte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der/die oder jeder/jede durchsichtige farblose Stab eine Vielzahl von geneigten Flächen (56a, 56b, 56c) aufweist die versetzt zueinander sowohl in Längs- als auch in Querrichtung des Stabs angeordnet sind.
EP93402196A 1992-09-09 1993-09-09 Kraftfahrzeug-Signalleuchte mit verbesserter seitlicher Sichtbarkeit Expired - Lifetime EP0587501B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9210754 1992-09-09
FR9210754A FR2695362B1 (fr) 1992-09-09 1992-09-09 Feu de signalisation à visibilité latérale améliorée pour véhicule automobile.

Publications (3)

Publication Number Publication Date
EP0587501A2 EP0587501A2 (de) 1994-03-16
EP0587501A3 EP0587501A3 (en) 1994-05-18
EP0587501B1 true EP0587501B1 (de) 1996-02-28

Family

ID=9433338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93402196A Expired - Lifetime EP0587501B1 (de) 1992-09-09 1993-09-09 Kraftfahrzeug-Signalleuchte mit verbesserter seitlicher Sichtbarkeit

Country Status (5)

Country Link
EP (1) EP0587501B1 (de)
BR (1) BR9303473A (de)
DE (1) DE69301645T2 (de)
ES (1) ES2085743T3 (de)
FR (1) FR2695362B1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19739173A1 (de) * 1997-09-06 1999-03-11 Hella Kg Hueck & Co Signalleuchte für Fahrzeuge
DE19831002A1 (de) * 1998-07-10 2000-04-13 Volkswagen Ag Blinkleuchte für ein Kraftfahrzeug
US6099156A (en) * 1997-08-07 2000-08-08 Decoma International Inc. Thin light managing system for directing and distributing light from one or more light sources and method for making optics structures for use in the system
EP1079171A2 (de) 1999-08-26 2001-02-28 Hella KG Hueck & Co. Blinkleuchte für Fahrzeuge
DE102004020154A1 (de) * 2004-04-24 2005-11-10 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
US7815351B2 (en) 2008-10-23 2010-10-19 Hella Kg Hueck And Co. Light guide array
DE102005008692B4 (de) 2005-02-25 2018-07-26 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugleuchte

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3607019B2 (ja) * 1996-10-17 2005-01-05 株式会社小糸製作所 車輌用灯具
DE19738766A1 (de) * 1997-09-04 1999-03-11 Bayerische Motoren Werke Ag Vorrichtung zur Anzeige der Außenkontur eines Fahrzeugs
NL1008523C2 (nl) * 1998-03-06 1999-09-07 Spanninga Metaal Achterlicht.
FR2776252B1 (fr) * 1998-03-23 2000-05-19 Axo Scintex Cie Equip Automobi Feu de signalisation de vehicule automobile
IT1308370B1 (it) * 1999-02-15 2001-12-17 Fiat Ricerche Fanale per autoveicolo, utilizzabile ad esempio per l'illuminazionedella targa o come indicatore di direzione.
DE19916843B4 (de) * 1999-04-14 2008-05-08 Volkswagen Ag Fahrzeugleuchte
FR2815589B1 (fr) 2000-10-23 2003-09-05 Valeo Vision Dispositif d'eclairage ou de signalisation pour vehicule automobile
DE10338785A1 (de) * 2003-08-23 2005-03-17 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
DE102004003577B4 (de) * 2004-01-23 2013-01-17 Volkswagen Ag Leuchtenanordnung für ein Fahrzeug
DE102006008717A1 (de) * 2006-02-24 2007-08-30 Volkswagen Ag Leuchtenanordnung für ein Fahrzeug
DE102007019688A1 (de) * 2007-04-24 2008-10-30 Hella Kgaa Hueck & Co. Signalleuchte für Kraftfahrzeuge
DE102009021983A1 (de) * 2009-05-19 2010-11-25 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
DE102010045052B4 (de) * 2010-09-10 2021-07-29 HELLA GmbH & Co. KGaA Beleuchtungseinrichtung für Fahrzeuge mit einem flächigen Lichtleitelement zur Erzeugung einer Seitenmarkierungslichtfunktion und einer Schlusslichtfunktion
DE102012103309B4 (de) * 2012-04-17 2022-03-10 HELLA GmbH & Co. KGaA Lichtleitvorrichtung
DE102012019847A1 (de) * 2012-10-10 2014-04-10 Audi Ag Beleuchtungseinrichtung für das hintere Kennzeichenschild eines Kraftfahrzeugs
FR3026821B1 (fr) * 2014-10-03 2019-04-05 Psa Automobiles Sa. Feu de signalisation pour vehicule automobile et vehicule comportant un tel feu
KR20230026123A (ko) * 2021-08-17 2023-02-24 현대모비스 주식회사 자동차용 램프 및 그 램프를 포함하는 자동차

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969621A (en) * 1974-11-18 1976-07-13 Ford Motor Company Motor vehicle light assembly utilizing total internal reflection
EP0066438A1 (de) * 1981-05-22 1982-12-08 Magnatex Holdings Limited Fahrzeugleuchten
JP2821891B2 (ja) * 1988-12-24 1998-11-05 スタンレー電気株式会社 導光板を設けた車両用信号灯具

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6099156A (en) * 1997-08-07 2000-08-08 Decoma International Inc. Thin light managing system for directing and distributing light from one or more light sources and method for making optics structures for use in the system
US6398988B1 (en) 1997-08-07 2002-06-04 Decoma International Inc. Thin light managing system for directing and distributing light from one or more light sources and method for making optics structures for use in the system
DE19739173A1 (de) * 1997-09-06 1999-03-11 Hella Kg Hueck & Co Signalleuchte für Fahrzeuge
US6107916A (en) * 1997-09-06 2000-08-22 Hella Kg Hueck & Co. Signal lamp for vehicles
DE19831002A1 (de) * 1998-07-10 2000-04-13 Volkswagen Ag Blinkleuchte für ein Kraftfahrzeug
EP1079171A2 (de) 1999-08-26 2001-02-28 Hella KG Hueck & Co. Blinkleuchte für Fahrzeuge
DE19940410A1 (de) * 1999-08-26 2001-03-01 Hella Kg Hueck & Co Blinkleuchte für Fahrzeuge
US6471380B1 (en) 1999-08-26 2002-10-29 Hella Kg Hueck & Co. Blink lamp for vehicles
DE102004020154A1 (de) * 2004-04-24 2005-11-10 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
DE102004020154B4 (de) * 2004-04-24 2012-12-13 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
DE102005008692B4 (de) 2005-02-25 2018-07-26 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugleuchte
US7815351B2 (en) 2008-10-23 2010-10-19 Hella Kg Hueck And Co. Light guide array

Also Published As

Publication number Publication date
DE69301645T2 (de) 1996-07-11
EP0587501A2 (de) 1994-03-16
ES2085743T3 (es) 1996-06-01
DE69301645D1 (de) 1996-04-04
FR2695362A1 (fr) 1994-03-11
EP0587501A3 (en) 1994-05-18
FR2695362B1 (fr) 1994-12-02
BR9303473A (pt) 1994-03-15

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