EP0949450B1 - Light, in particular tail light, for motor vehicles - Google Patents

Light, in particular tail light, for motor vehicles Download PDF

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Publication number
EP0949450B1
EP0949450B1 EP19990106417 EP99106417A EP0949450B1 EP 0949450 B1 EP0949450 B1 EP 0949450B1 EP 19990106417 EP19990106417 EP 19990106417 EP 99106417 A EP99106417 A EP 99106417A EP 0949450 B1 EP0949450 B1 EP 0949450B1
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EP
Grant status
Grant
Patent type
Prior art keywords
light
characterised
according
lamp
means
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 - Fee Related
Application number
EP19990106417
Other languages
German (de)
French (fr)
Other versions
EP0949450A2 (en )
EP0949450A3 (en )
Inventor
Roland Berg
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.)
Odelo GmbH
Original Assignee
Odelo GmbH
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Filing date
Publication date
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13Signalling 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
    • F21S43/14Light emitting diodes [LED]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00Illumination
    • Y10S362/80Light emitting diode

Description

  • Die Erfindung betrifft eine Leuchte, insbesondere eine Heckleuchte, für Kraftfahrzeuge nach dem Oberbegriff des Anspruches 1, wie sie aus der EP-A-830 984 bekannt ist. The invention relates to a luminaire, in particular a tail light, for motor vehicles according to the preamble of claim 1 as known from EP-A-830 984th
  • Bei bekannten Leuchten dieser Art sitzt in der Gehäusewand hinter der Lichtscheibe ein Leuchtmittel, in der Regel eine Glühlampe, die die Lichtscheibe beleuchtet. In known lamps of this kind is seated in the housing wall behind the lens an illuminant, usually a light bulb that illuminates the lens. Häufig wird die Lichtscheibe mit diesem Leuchtmittel nicht voll ausgeleuchtet. Often, the lens is not fully illuminated with this lamp.
  • Der Erfindung liegt die Aufgabe zugrunde, eine Leuchte dieser Art so auszubilden, daß die Lichtscheibe einwandfrei über ihre gesamte Fläche auf einfache Weise ausgeleuchtet wird und als komplettleuchte geeignet ist. The invention has for its object to design a luminaire of this type that the lens is illuminated properly over its entire surface in a simple manner and is suitable as a complete light.
    Diese Aufgabe wird bei einer Leuchte der gattungsbildenden Art erfindungsgemäß mit den kennzeichnenden Merkmalen des Anspruches 1 gelöst. This object is achieved in a lamp of the generic type according to the invention with the characterizing features of claim 1.
  • Infolge der erfindungsgemäßen Ausbildung ist das Leuchtmittel am Rand der Leuchte angeordnet. Due to the inventive design, the luminous means is arranged at the edge of the luminaire. Hierbei kann die Lichtscheibe über ihre gesamte Fläche zuverlässig ausgeleuchtet werden. Here, the lens can be illuminated reliably over its entire surface. Sie kann beispielsweise auch in unterschiedlichen Farben beleuchtet werden und dadurch unterschiedliche Funktionen erfüllen. It can for example also be illuminated in different colors and thus fulfill different functions. Wird die Leuchte bzw. ihre Lichtscheibe rot beleuchtet, dann kann die Leuchte als Schluß- oder als Bremslicht dient. If the lamp or its lens illuminated in red, the lamp can serve as closing or as a brake light. Die Anordnung des Leuchtmittels im Randbereich der Leuchte kann konstruktiv einfach und mit geringen Kosten durchgeführt werden. The arrangement of the light source in the edge region of the light can be constructively carried out simply and at low cost.
  • Weitere Merkmale der Erfindung ergeben sich aus den weiteren Ansprüchen, der Beschreibung und den Zeichnungen. Further features of the invention result from the additional claims, the description and the drawings.
  • Die Erfindung wird anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles näher erläutert. The invention is further illustrated by an embodiment shown in the drawings embodiment. Es zeigt: It shows:
  • Fig. 1 Fig. 1
    in schematischer Darstellung und in Ansicht eine erfindungsgemäße Leuchte, in a schematic view and in view of a lamp according to the invention,
    Fig. 2 Fig. 2
    in vergrößerter Darstellung einen Schnitt längs der Linie II-II in Fig. 1. in an enlarged illustration a section along the line II-II in FIG. 1.
  • Die in den Zeichnungen dargestellte Heckleuchte hat ein Leuchtengehäuse 1 mit einer Gehäusewand 1a. The tail light shown in the drawings has a lamp housing 1 having a housing wall 1a. Mit Abstand vor der Gehäusewand 1a ist eine Lichtscheibe 2 angeordnet, die über einen umlaufenden Rand 4 mit der Gehäusewand 1a verbunden ist. A distance in front of the housing wall 1a, a lens 2 is arranged, which is connected via a circumferential edge 4 to the housing wall 1a. Der Rand 4 ist Teil des Leuchtengehäuses 1 und kann einstückig mit der Gehäusewand 1a ausgebildet sein. The rim 4 forms part of the lamp housing 1 and can be formed integrally with the housing wall 1a. An der Rückseite der Lichtscheibe 2 ist eine Optik 3, beispielsweise eine Fresneloptik, vorgesehen. At the back of the lens 2 is an optical system 3, for example a Fresnel lens, is provided. Der Rand 4 hat im Querschnitt z-Form mit einem längeren Schenkel 5, der an die Gehäusewand 1a anschließt. The edge 4 has in cross section z-shape with a longer leg 5, which connects to the housing wall 1a. Am kürzeren Schenkel 6 des Randes 4 liegt die Lichtscheibe 2 mit ihrem Rand an. At the shorter arm 6 of the edge 4 of the lens 2 is located on its edge. Die Lichtscheibe 2 ist im dargestellten Ausführungsbeispiel wie die Gehäusewand 1a mit großem Krümmungsradius teilkreisförmig gekrümmt. The lens 2 is curved part-circular in the illustrated embodiment, as the housing wall 1a with a large radius of curvature. Selbstverständlich können die Gehäusewand 1a und die Lichtscheibe 2 jede andere geeignete Querschnittsform haben. Of course, the housing wall 1a and the lens 2 may have any other suitable cross-sectional shape. Die Innenseite 7 der Gehäusewand 1a ist als Reflexionsfläche ausgebildet. The inner surface 7 of the casing wall 1a is formed as a reflection surface. Es ist auch möglich, auf der Innenseite 7 ein Reflexionsteil zu befestigen. It is also possible to mount on the inside 7, a reflecting member.
  • Im dargestellten Ausführungsbeispiel weist die Gehäusewand 1a drei mit Abstand voneinander und vom Rand 4 der Leuchte liegende Durchbrüche 8, 8a, 8b auf, in denen jeweils eine Platine 9 angeordnet ist, auf deren Innenseite 10 eine Vielzahl von nebeneinander liegenden LEDs 11 angeordnet ist. In the illustrated embodiment, the housing wall 1a three spaced apart and disposed from the edge 4 of the light apertures 8, 8a, 8b, in each of which a board 9 is arranged on the inside 10, a plurality of adjacent LEDs 11 is arranged. Die Lichtscheibe 2 ist in Höhe der Durchbrüche 8 mit jeweils einem Lichtfenster 14 bis 16 versehen, durch die das von den LEDs 11 der jeweiligen Platine 9 ausgesandte Licht nach außen tritt. The lens 2 is provided at the level of the apertures 8, each with a light window 14 to 16, through which passes the light emitted by the LEDs 11 of the respective light board 9 to the outside. Die Lichtfenster 14 bis 16, vorzugsweise auch die zugehörigen Durchbrüche 8 in der Gehäusewand 1a, können unterschiedlich groß sein und/oder unterschiedliche Form haben. The light windows 14 to 16, and preferably also the corresponding openings 8 in the housing wall 1a may be of different sizes and / or have different form.
  • Das Lichtfenster 14 kann beispielsweise als Blinklicht dienen und ist dementsprechend gelb eingefärbt. The light window 14 can for example serve as a flashing light and is therefore dyed yellow. Das Lichtfenster 15 ist beispielsweise rot eingefärbt und dient als Bremslicht. The light window 15 is, for example, colored red and acts as a brake light. Schließlich kann das Lichtfenster 16 beispielsweise als Rücklicht dienen und dementsprechend rot eingefärbt sein. Finally, the light window 16 may for example serve as a backlight and, accordingly, to be colored red. Die Lichtfenster 14 bis 16 können innenseitig mit entsprechenden Optiken versehen sein. The light windows 14 to 16 may be provided on the inside with corresponding optics. Es ist auch möglich, für die verschiedenen Lichtfenster 14 bis 16 unterschiedlich gefärbte LEDs 11 zu verwenden, so daß die Lichtfenster aus nicht eingefärbtem, glasklarem Material bestehen können. It is also possible to use for the various light windows 14 to 16 differently colored LEDs 11, so that the light window can be made of non-colored, glass-clear material. Ebenso ist es möglich, die Lichtfenster 14 bis 16 entsprechend einzufärben und hinter ihnen entsprechend gefärbte LEDs anzuordnen. It is also possible to color 14 to 16 corresponding to the light windows and to locate behind them appropriately colored LEDs.
  • Anstelle der LEDs 11 können auch Leuchtstoffröhren, Neonröhren, Glühlampen oder dgl. als Leuchtmittel verwendet werden. Instead of the LEDs 11 and fluorescent tubes, neon tubes, incandescent lamps or the like may. Be used as light sources. Es ist ferner möglich, die einzelnen Lichtfenster 14 bis 16 gegeneinander wenigstens teilweise abzugrenzen, beispielsweise durch Wände, die sich zwischen der Gehäusewand 1a und der Lichtscheibe 2 erstrekken. It is also possible, 14 to 16 against each other at least partially delimit the individual light windows, for example, by walls which extend between the housing wall 1a and the light disk. 2 Dadurch ist gewährleistet, daß in die jeweiligen Lichtfenster 14 bis 16 kein Falschlicht eintreten kann. This ensures that 14 to 16 can no stray light entering the respective light window.
  • Die Lichtscheibe 2 kann auch ohne die beschriebenen Lichtfenster hergestellt werden. The lens 2 can be made even without the described light window. Dann leuchten bei Betätigen der entsprechenden LEDs 11 die jeweiligen Bereiche der Lichtscheibe 2 auf. Then, upon actuation of the respective LEDs 11, the respective portions of the lens 2 light up.
  • Am Leuchtenrand 4 sind weitere Leuchtmittel 12 vorgesehen, die vorzugsweise als LEDs ausgebildet sind. At the luminaire edge 4 more lamps 12 are provided, which are preferably designed as LEDs. Vorteilhaft ist längs des umlaufenden Randes 4 eine Vielzahl solcher LED's in Reihe hintereinander angeordnet. along the peripheral edge 4 is arranged a plurality of such LEDs in series behind one another advantageous. Sie können, wie in Fig. 1 angedeutet, nur über einen Teil der Länge des Randes 4, aber auch über den gesamten Umfang des Randes 4 vorgesehen sein. They can, as indicated in Fig. 1, only over part of the length of the edge 4, but also over the entire circumference of the edge 4 to be provided. Die LEDs 12 sind in einer solchen Verteilung vorgesehen, daß die gesamte Lichtscheibe 2 indirekt beleuchtet wird. The LEDs 12 are provided in such a distribution that the entire lens 2 is indirectly illuminated. Ferner ist aufgrund der Verwendung von LEDs eine sehr flache Bauweise der Leuchte möglich. Further, due to the use of LEDs is a very flat construction of the lamp is possible.
  • Die LEDs 12 sitzen auf einer Platine 17, die am Rand 4 in geeigneter Weise gehalten ist. The LEDs 12 seated on a circuit board 17 which is suitably supported at the edge. 4 Aufgrund der z-förmigen Querschnittsausbildung des Randes 4 liegen die Platine 17 und die LEDs 12 in einem Aufnahmeraum 18, der seitlich von der Gehäusewand 1a und dem Quersteg 19 des Randes 4 begrenzt wird. Due to the z-shaped cross-sectional configuration of the edge 4, the circuit board 17 and the LEDs 12 are in a receiving space 18 which is laterally delimited by the housing wall 1a and the crosspiece 19 of the rim. 4 Die LEDs 12 ragen teilweise aus dem Aufnahmeraum 18 in das Innere der Leuchte. The LEDs 12 partially protrude from the receiving space 18 in the interior of the lamp. Die von den LEDs ausgesandten Strahlen gelangen vorzugsweise ausschließlich zur Reflexionsfläche 7, an der sie zur Lichtscheibe 2 reflektiert werden. The beams emitted from the LEDs-rays preferably pass exclusively to the reflecting surface 7, where they are reflected toward the lens. 2 Auf diese Weise wird die gesamte Lichtscheibe 2 indirekt beleuchtet. In this way, the entire lens 2 is indirectly illuminated. Es ist auch möglich, die LEDs 12 so anzuordnen, daß die von ihnen ausgesandten Strahlen teilweise unmittelbar zur Lichtscheibe 2 und teilweise zur Reflexionsfläche 7 gelangen, an der sie zur Lichtscheibe 2 reflektiert werden. It is also possible, 12 to arrange the LEDs in that the emitted radiation of them partially come directly to the lens 2 and partly to the reflecting surface 7, where they are reflected toward the lens. 2 Auch auf diese Weise wird die Lichtscheibe 2 optimal über ihre Fläche ausgeleuchtet. In this way the lens 2 is optimally illuminated over its surface. Die Reflexionsfläche 7 braucht nur in demjenigen Bereich der Gehäusewand 1a vorgesehen zu sein, in dem die von den LEDs 12 ausgesandten Strahlen auf die Gehäusewand 1a treffen. The reflecting surface 7 does not need to be provided 1a in the 1a make the light emitted by the LEDs 12 beams on the housing wall only in that region of the housing wall. Die Lichtscheibe 2 kann in einem gewünschten Farbton gehalten werden, beispielsweise angepaßt an die Wagenfarbe. The lens 2 can be held in a desired hue, for example, adapted to the body color. Auch ist es möglich, die LEDs 12 entsprechend einzufärben. it is also possible to color the LEDs 12 accordingly. Anstelle der LEDs 12 können ebenfalls Neonröhren, Leuchtstoffröhren, Glühlampen und dgl. verwendet werden. Instead of the LEDs 12 also neon tubes, fluorescent lamps, incandescent lamps and the like may. Be used.
  • Im dargestellten Ausführungsbeispiel ist die Leuchte eine Komplettleuchte, die beispielsweise die Brems-, die Blink- und die Rückleuchte enthält. In the illustrated embodiment, the lamp is a lighting system that includes, for example, the brake, the indicator and the tail lamp. Es ist aber auch möglich, jede einzelne Leuchte so auszubilden, daß die Lichtscheibe in der beschriebenen Weise von den LEDs 12 direkt und indirekt beleuchtet wird. However, it is also possible to form each light so that the light disk is directly or indirectly illuminated in the described manner from the LEDs 12th Die Lichtscheiben sind in diesem Fall entsprechend der Signalfarbe gelb (Blinklicht), rot (Brems- und Rücklicht) oder klar (Rückfahrlicht) eingefärbt, oder die LEDs haben einen entsprechenden Farbton. The light discs are in this case in accordance with the signal color yellow (flashing light), red (stop and tail light) or clear (reversing light) colored, or the LEDs have a corresponding color. Die LEDs 11, 12 bzw. die zugehörigen Platinen 9, 17 sind an das Bordnetz des Kraftfahrzeuges angeschlossen. The LEDs 11, 12 and the associated circuit boards 9, 17 are connected to the electrical system of the motor vehicle.

Claims (12)

  1. A light, in particular a tail light, for motor vehicles with at least one light source (12), provided at at least one portion of a lamp rim (4) and arranged behind a light disc (2) within a lamp housing (1), within which is situated a reflective surface (7), at which a portion of the beams emitted by said light source (12) is reflected towards said light disc 2),
    characterised in that within the lamp housing (1) is provided at least one additional light means (11) which is arranged opposite said light disc (2) and which performs a signalling function.
  2. A light according to claim 1,
    characterised in that said lamp rim (4) has a Z-shaped cross-section.
  3. A light according to claim 1 or 2,
    characterised in that a plurality of light sources (12), ranged in line one behind the other is provided along said lamp rim (4).
  4. A light according to one of the claims 1 to 3,
    characterised in that a portion of the beams impinges directly onto the light disc (2).
  5. A light according to one of the claims 1 to 4,
    characterised in that the light source (12) is situated at least partially within a boundary deepening (18).
  6. A light according to one of the claims 1 to 5,
    characterised in that the lamp rim (4) connects said light disc (2) to a wall (1 a) of the lamp housing (1).
  7. A light according to claim 5 or 6,
    characterised in that the boundary deepening (18) is delimited by a portion of the wall (1a) of the lamp housing (1).
  8. A light according to one of the claims 1 to 7,
    characterised in that the additional light means (11) is arranged at the wall (1a) of the light housing (1).
  9. A light according to claim 8,
    characterised in that several additional light means (11) are provided, to which respectively is assigned to another signalling function.
  10. A light according to one of the claims 1 to 9,
    characterised in that the light source (12) and/or the additional light means (11) is an LED.
  11. A light according to one of the claims 1 to 10,
    characterised in that the light disc (2) comprises at the level of the additional light means (11) a light field (14 to 16), advantageously coloured corresponding to the signalling function of the additional light means (11) assigned to it.
  12. A light according to one of the claims 1 to 11,
    characterised in that the additional lighting means (11), advantageously protruding through the reflective surface (7) is placed on a board (9) which is situated within a recess (8) of the wall (1a) of the light housing (1).
EP19990106417 1998-04-09 1999-03-27 Light, in particular tail light, for motor vehicles Expired - Fee Related EP0949450B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19815963 1998-04-09
DE1998115963 DE19815963A1 (en) 1998-04-09 1998-04-09 Light, in particular rear light for motor vehicles

Publications (3)

Publication Number Publication Date
EP0949450A2 true EP0949450A2 (en) 1999-10-13
EP0949450A3 true EP0949450A3 (en) 2002-02-13
EP0949450B1 true EP0949450B1 (en) 2007-02-07

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EP19990106417 Expired - Fee Related EP0949450B1 (en) 1998-04-09 1999-03-27 Light, in particular tail light, for motor vehicles

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US (1) US6286984B1 (en)
EP (1) EP0949450B1 (en)
DE (2) DE19815963A1 (en)

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EP0949450A2 (en) 1999-10-13 application
DE19815963A1 (en) 1999-10-14 application
US6286984B1 (en) 2001-09-11 grant
EP0949450A3 (en) 2002-02-13 application
DE59914181D1 (en) 2007-03-22 grant

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