EP0732534A1 - Farbiges Lichtbündel erzeugende und beim ausgeschalteten Zustand andersfarbige Signalleuchte, insbesondere für Kraftfahrzeuge und Verfahren zum Herstellen ihrer Lichtscheibe - Google Patents

Farbiges Lichtbündel erzeugende und beim ausgeschalteten Zustand andersfarbige Signalleuchte, insbesondere für Kraftfahrzeuge und Verfahren zum Herstellen ihrer Lichtscheibe Download PDF

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Publication number
EP0732534A1
EP0732534A1 EP96400497A EP96400497A EP0732534A1 EP 0732534 A1 EP0732534 A1 EP 0732534A1 EP 96400497 A EP96400497 A EP 96400497A EP 96400497 A EP96400497 A EP 96400497A EP 0732534 A1 EP0732534 A1 EP 0732534A1
Authority
EP
European Patent Office
Prior art keywords
light
zones
indicator
red
shade
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.)
Granted
Application number
EP96400497A
Other languages
English (en)
French (fr)
Other versions
EP0732534B1 (de
Inventor
Claude Rives
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 EP0732534A1 publication Critical patent/EP0732534A1/de
Application granted granted Critical
Publication of EP0732534B1 publication Critical patent/EP0732534B1/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
    • F21S43/255—Filters

Definitions

  • the present invention relates generally to the signaling lights of motor vehicles, and more particularly to a signaling light capable of emitting substantially colorless radiation, or of a first shade, while having, when it is switched off, an aspect of a second shade.
  • it may be a reversing light emitting a white light and of red or amber appearance when it is off, or a flashing light indicating a change of direction emitting an amber light but red when it is off.
  • This type of light is already known in the prior art, the main object of which is to marry neighboring lights, in particular red in appearance when they are extinguished, such as rear position lights or stop lights (indicators braking).
  • Document DE-A-31 30 085 thus describes a signaling light comprising a light source, means for directing the light flux emitted by the source towards an intermediate screen, and a closing indicator disposed along and outside of the intermediate screen.
  • the intermediate screen comprises optical elements which cause the light to converge towards light passages extending between colored zones added on the external face of the indicator.
  • the indicator light has on its internal face elements for deflecting or diffusing light.
  • Such a fire is relatively expensive and complex to produce, requiring a screen, a sight glass of specific design with two materials, and a part defining the partitions.
  • the present invention aims to propose a signaling light of the aforementioned type, which is simpler and economical to produce, while offering satisfactory qualities in terms of restitution of the color of the radiation and of the color of the light off.
  • a signaling light which comprises a light source 10, typically a standard filament lamp, a reflector 20 of the parabolic type defined by the base of the light and intended to direct the light reflected by it in a general direction of emission, and a light 30.
  • the light can optionally include an intermediate screen 40 and a Fresnel lens 50, shown in phantom.
  • the sight glass 30 is made with two distinct translucent materials.
  • a first material 32 in this case of pink shade, are embedded areas of second material 34, of red shade.
  • the sight glass comprises first zones Z1 in which the first material is visible, and second zones Z2 in which the second material is visible, the external faces of the zones of first and second material being flush with each other with others so as to meet regulations.
  • the recessed areas of the second material extend over only part of the thickness of the sight glass, so that the internal face of the latter is defined by the only first material.
  • This internal face includes two types of optical arrangements.
  • prismatic protruding elements 38 are provided comprising straight faces inclined for example at about 45 ° relative to the general direction of the radiation.
  • convex lenses 36 capable of diffusing the light coming from the reflector 20 while concentrating it in the light output windows defined by the zones Z1.
  • the mixture of zones Z2 of red color and zones Z1 of pink color gives the fire a general appearance of very red tint close to that of another light, for example a position light and / or a stop light with red indicator, belonging to the same optical unit.
  • the colorless light coming from the mirror and incident on the lenses 36 crosses the lightly tinted zones Z1, and therefore remains substantially colorless, to form a reversing light beam.
  • the light coming from the mirror and incident on the prisms 38 is reflected in very large proportion by these prisms, so as to minimize the amount of light likely to pass through the second material 34 and to avoid polluting the light by a radiation colored in red.
  • the zones Z1 and Z2 can be distributed according to any suitable pattern, preferably regular. They may in particular be alternating vertical or horizontal bands. As a variant, the zones Z2 can define a square mesh, between the meshes from which paving stones, square or rectangular or any other geometric shape are placed, forming the zones Z1, or vice versa.
  • optical elements 36, 38 are adapted to the case by case.
  • the optical elements 38 are prismatic streaks with two faces.
  • the elements 36 are preferably balls or tori.
  • the elements 38 are preferably prismatic streaks, while the elements 36 are cylindrical streaks.
  • the sight glass 30 is advantageously produced by injection molding, the first material being overmolded on the second or vice versa.
  • One can in particular have recourse to the techniques of molding with multicolour press, in recoveries, etc.
  • the optional intermediate screen 40 can have several objectives.
  • the first is to tint, if necessary, the radiation from the source and the mirror, either to neutralize the effects of the slight pinking of light when it passes through the first material. of the indicator, or again to give the light an amber color, when the light is a flashing light indicating a change of direction.
  • the intermediate screen 40 may also include optical arrangements intended to concentrate the light coming from the mirror towards the zones Z1 of passage of the light from the indicator light.
  • the Fresnel lens 50 is intended to minimize the effects of multidirectional direct light emitted by the lamp 10 in the direction of the indicator. Indeed, a light strongly inclined relative to the general direction of emission would be likely to pass through the zones Z2 of second material, to give the beam a perceptible red tint.
  • the signaling light described above belongs to a rear optical unit comprising several adjacent illuminating surfaces
  • the first material is molded onto the second material, to form the sight glass 30.
EP96400497A 1995-03-13 1996-03-11 Farbiges Lichtbündel erzeugende und beim ausgeschalteten Zustand andersfarbige Signalleuchte, insbesondere für Kraftfahrzeuge und Verfahren zum Herstellen ihrer Lichtscheibe Expired - Lifetime EP0732534B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9502873A FR2731771B1 (fr) 1995-03-13 1995-03-13 Feu de signalisation, notamment pour vehicule automobile, produisant un faisceau d'une teinte donnee et presentant une autre teinte lorsqu'il est eteint, et procede de fabrication du voyant d'un tel feu
FR9502873 1995-03-13

Publications (2)

Publication Number Publication Date
EP0732534A1 true EP0732534A1 (de) 1996-09-18
EP0732534B1 EP0732534B1 (de) 2003-05-02

Family

ID=9476965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96400497A Expired - Lifetime EP0732534B1 (de) 1995-03-13 1996-03-11 Farbiges Lichtbündel erzeugende und beim ausgeschalteten Zustand andersfarbige Signalleuchte, insbesondere für Kraftfahrzeuge und Verfahren zum Herstellen ihrer Lichtscheibe

Country Status (4)

Country Link
EP (1) EP0732534B1 (de)
DE (1) DE69627744T2 (de)
ES (1) ES2198468T3 (de)
FR (1) FR2731771B1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19737550A1 (de) * 1996-09-18 1998-03-19 Valeo Vision Signalleuchte mit verbesserter Lampenabdeckung für Kraftfahrzeuge
EP0911576A1 (de) * 1997-10-27 1999-04-28 Compagnie D'equipements Automobiles Axo Scintex Signalleuchte für Kraftfahrzeug
DE19753762A1 (de) * 1997-12-04 1999-06-10 Itt Mfg Enterprises Inc Signalleuchte, insbesondere Kombinationsheckleuchte eines Fahrzeuges
DE19812655A1 (de) * 1998-03-23 1999-09-30 Volkswagen Ag Leuchte
FR2793302A1 (fr) * 1999-05-06 2000-11-10 Axo Scintex Cie Equip Automobi Feu de signalisation de vehicule
EP1149732A1 (de) * 2000-04-26 2001-10-31 Compagnie D'equipements Automobiles Axo Scintex Kfz-Signalleuchte
EP1496304A1 (de) * 2003-07-11 2005-01-12 Valeo Vision Signalleuchte für Fahrzeuge
WO2007111547A1 (en) * 2006-03-24 2007-10-04 Prismalence Ab A light fitting
US7736818B2 (en) 2004-12-27 2010-06-15 Inphase Technologies, Inc. Holographic recording medium and method of making it
DE19820751B4 (de) * 1997-05-15 2010-09-30 Valeo Vision Signalleuchte für Kraftfahrzeuge mit additiver Farbmischung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130085A1 (de) * 1981-07-30 1983-02-17 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt "signalleuchte fuer fahrzeuge"
EP0074727A1 (de) * 1981-08-29 1983-03-23 Britax Vega Limited Fahrzeugleuchte
DE8703615U1 (de) * 1987-03-11 1987-04-16 Hella Kg Hueck & Co, 4780 Lippstadt, De

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130085A1 (de) * 1981-07-30 1983-02-17 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt "signalleuchte fuer fahrzeuge"
EP0074727A1 (de) * 1981-08-29 1983-03-23 Britax Vega Limited Fahrzeugleuchte
DE8703615U1 (de) * 1987-03-11 1987-04-16 Hella Kg Hueck & Co, 4780 Lippstadt, De

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19737550A1 (de) * 1996-09-18 1998-03-19 Valeo Vision Signalleuchte mit verbesserter Lampenabdeckung für Kraftfahrzeuge
DE19820751B4 (de) * 1997-05-15 2010-09-30 Valeo Vision Signalleuchte für Kraftfahrzeuge mit additiver Farbmischung
EP0911576A1 (de) * 1997-10-27 1999-04-28 Compagnie D'equipements Automobiles Axo Scintex Signalleuchte für Kraftfahrzeug
FR2770184A1 (fr) * 1997-10-27 1999-04-30 Axo Scintex Cie Equip Automobi Feu de signalisation de vehicule automobile
DE19753762A1 (de) * 1997-12-04 1999-06-10 Itt Mfg Enterprises Inc Signalleuchte, insbesondere Kombinationsheckleuchte eines Fahrzeuges
DE19812655B4 (de) * 1998-03-23 2009-05-20 Volkswagen Ag Leuchte
DE19812655A1 (de) * 1998-03-23 1999-09-30 Volkswagen Ag Leuchte
EP1050710A3 (de) * 1999-05-06 2000-12-13 Compagnie D'equipements Automobiles Axo Scintex Signalleuchte für Fahrzeug
FR2793302A1 (fr) * 1999-05-06 2000-11-10 Axo Scintex Cie Equip Automobi Feu de signalisation de vehicule
FR2808247A1 (fr) * 2000-04-26 2001-11-02 Axo Scintex Cie Equip Automobi Feu de signalisation de vehicule
EP1149732A1 (de) * 2000-04-26 2001-10-31 Compagnie D'equipements Automobiles Axo Scintex Kfz-Signalleuchte
EP1496304A1 (de) * 2003-07-11 2005-01-12 Valeo Vision Signalleuchte für Fahrzeuge
FR2857434A1 (fr) * 2003-07-11 2005-01-14 Valeo Vision Feu de signalisation pour vehicule
US7736818B2 (en) 2004-12-27 2010-06-15 Inphase Technologies, Inc. Holographic recording medium and method of making it
WO2007111547A1 (en) * 2006-03-24 2007-10-04 Prismalence Ab A light fitting

Also Published As

Publication number Publication date
FR2731771B1 (fr) 1997-06-06
DE69627744T2 (de) 2004-02-26
EP0732534B1 (de) 2003-05-02
ES2198468T3 (es) 2004-02-01
DE69627744D1 (de) 2003-06-05
FR2731771A1 (fr) 1996-09-20

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