WO2015079184A1 - Plastic rear window for a motor vehicle, provided with a third break light - Google Patents

Plastic rear window for a motor vehicle, provided with a third break light Download PDF

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Publication number
WO2015079184A1
WO2015079184A1 PCT/FR2014/053078 FR2014053078W WO2015079184A1 WO 2015079184 A1 WO2015079184 A1 WO 2015079184A1 FR 2014053078 W FR2014053078 W FR 2014053078W WO 2015079184 A1 WO2015079184 A1 WO 2015079184A1
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WO
WIPO (PCT)
Prior art keywords
rear window
zone
plastic
transparent
light
Prior art date
Application number
PCT/FR2014/053078
Other languages
French (fr)
Inventor
Delphine ASSELIN
Michel Surugue
Original Assignee
Peugeot Citroen Automobiles Sa
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 Peugeot Citroen Automobiles Sa filed Critical Peugeot Citroen Automobiles Sa
Priority to EP14821749.0A priority Critical patent/EP3074275A1/en
Priority to CN201480065427.8A priority patent/CN105793110B/en
Publication of WO2015079184A1 publication Critical patent/WO2015079184A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B60Q1/302—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces mounted in the vicinity, e.g. in the middle, of a rear window
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/18—Windows; Windscreens; Accessories therefor arranged at the vehicle rear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
    • B60Q1/268—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on windscreens or windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles

Definitions

  • the present invention relates to a plastic rear window for a motor vehicle carrying on its inner side a third brake light.
  • the invention also relates to a motor vehicle equipped with such a rear window.
  • Patents FR 2 766 198 and 2 779 990 describe a transparent plastic glazing that can incorporate an insert having a particular function such as a stop light.
  • the rear plastic glasses have the advantage of being significantly lighter than glasses or other glass panes.
  • the rear plastic sunglasses are compatible with the integration of functions such as a brake light, which is not the case of glass rear glasses.
  • the light source of the brake light When the light source of the brake light is located on the inside of the rear window, the light emitted by this source must pass through the plastic material of the bezel to be visible at the rear of the vehicle.
  • the plastic material of the rear window is tinted, which affects the transmission of radiation emitted by the brake light through the rear window.
  • the brake light may not be visible enough to meet regulatory requirements.
  • JP 2000301985 discloses a plastic rear window, covered with an outer film having a red tinted area to diffuse a red light emitted by a stop light located on the inner face of the bezel.
  • EP 0745512 provides 3-th stop lamp enclosed in a housing containing a light device fixed to the rear window and which has a portion guiding the light of the luminous device to a portion of the rear window-passing aperture provided in a dark area surrounding the rear window.
  • the object of the present invention is to create a plastic rear window which incorporates a third brake light satisfying the above requirements.
  • This object is achieved, according to the invention, thanks to a rear window made of plastic for a motor vehicle carrying on its inner side a third brake light, characterized in that it comprises a zone in which the plastic is more transparent than in the rest of the rear window, the light source of the third stop light being positioned on the inner face of the rear window so as to diffuse the light emitted by this source through said area.
  • the light source diffuses light through an area of the telescope that is more transparent than the rest of the rear window, so that the visibility of this light source is not likely to be compromised by the insufficient transparency of the rest of the window. the rear window.
  • said more transparent zone is obtained by bi-injection of plastic material, forming an insert of transparent material in the rear window of less transparent plastic material.
  • said zone is made of plastic whose transparency is equal to or greater than 80%.
  • This transparency is sufficient to allow optimal transmission of the light emitted by the stop light.
  • said plastic material is polycarbonate or polymethylmethacrylate.
  • the entire rear window can be made of the same plastic with different transparencies for different parts of the bezel or different plastics compatible to form a rear window with different transparencies for different parts of the bezel.
  • said more transparent zone is located in an opaque zone which surrounds the rest of the rear window.
  • all the rest of the rear window is colored plastic in its mass, to effectively protect the occupants of the vehicle against solar radiation.
  • said zone is made of plastic more transparent than in the rest of the rear window throughout the thickness of this area.
  • said zone is made of a more transparent plastic material over part of the thickness of this zone, the remainder of the thickness of this zone consisting of less transparent plastic material identical to that constituting the rest of the telescope back.
  • the light source of the stop light is made invisible when it is not lit thanks to the thickness of the tinted material and therefore less transparent, while being sufficiently visible when it is lit, thanks to the thickness of matter that is more transparent.
  • This feature has an aesthetic advantage.
  • the light source is constituted by light-emitting diodes or laser diodes mounted on a support provided with means for fixing the support removably on the inner face of the rear window opposite the said more transparent area.
  • the invention also relates to a motor vehicle equipped with a rear window according to the invention.
  • FIG. 1 is a diagrammatic view in vertical section of a first embodiment of a rear window according to the invention
  • FIG. 2 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 1,
  • FIG. 3 is a view similar to FIG. 1 of a second embodiment of a rear window according to the invention.
  • FIG. 4 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 3,
  • FIG. 5 is a view similar to FIG. 1 of a third embodiment of a rear window according to the invention.
  • FIG. 6 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 5;
  • FIG. 7 is a view similar to FIG. 1 of a fourth embodiment of a rear window according to the invention
  • FIG. 8 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 7,
  • FIG. 9 is a plan view of the transparent zone of the rear window according to the invention showing by transparency the support of the diodes constituting the light source of the stop light.
  • Figures 1 and 2 show schematically a rear window 1 of plastic for a motor vehicle on its inner side 1 has a third brake light 2.
  • the rear window 1 comprises a zone 3 in which the plastic is more transparent than in the rest 4 of the rear window 1.
  • the light source 5 of the third brake light 2 is positioned on the inner face 1a of the rear window 1 so as to diffuse the light emitted by this source through the zone 3.
  • the light diffused through the transparent zone 5 is not likely to be attenuated and to be insufficiently visible by the motorists.
  • This more transparent zone 3 is obtained by bi-injection of plastic material.
  • This zone 3 is made of plastic whose transparency is equal to or greater than 80%.
  • the plastic material of the rear window 1 is made of polycarbonate or polymethylmethacrylate.
  • the more transparent zone 3 is located at the upper part of the rear window 1 in an opaque zone 6 which surrounds the remainder 4 of the rear window 1.
  • This remains 4 of the rear window 1 is made of plastic material tinted in its mass and has a transparency of less than 80%.
  • the zone 3 is made of plastic more transparent than in the rest 4 of the rear window throughout the thickness of this zone 3.
  • zone 3a made of a more transparent plastic material than the rest 4 of the rear window is located under opaque upper part 6, that is to say in the rest which is tinted plastic.
  • the zone 3a is more transparent plastic material throughout the thickness of the rear window.
  • the zone 3b or 3c is more transparent plastic on only a part of the thickness of the bezel.
  • the other part of this thickness is tinted plastic as in the rest 4 of the bezel.
  • This other part represents about half of the total thickness of the telescope.
  • the light source 5 is less visible when the source is off, which is favorable in terms of aesthetics.
  • the zone 3b of more transparent material is located in the opaque zone 6, as in the case of FIGS. 1 and 2.
  • the zone 3c made of more transparent plastic material is located in the remainder 4 of the telescope, that is to say under the opaque zone 6.
  • This embodiment has the advantage of masking not only the light source 5 when it is off, but also the area 3c through the part that covers it and is less transparent.
  • the light source 5 may be constituted, as shown in FIG. 9, by light-emitting diodes or laser diodes mounted on a support 7 located behind the transparent zone 3, 3a, 3b or 3c.
  • This support can be attached to the rear window by fastening means, such as screws or pegs or snap pins.
  • optical means such as lenses may be arranged between the diodes and the transparent zone 3, 3a, 3b or 3c.
  • the junction zone between the light source and the transparent material of the zone 3, 3a, 3b or 3c can be made in various configurations, such as by an optical adhesive or a transparent adhesive tape enabling the diodes of the environment to be isolated. outside and achieve adhesion with the rear window.
  • the transparent area of the rear window could have a shape other than the rectangular shape shown in the figures.
  • This form could be split into two or more parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention relates to a plastic rear window (1) for a motor vehicle, which has a third stop light on the inner surface thereof, and is characterized in that it includes an area (3) in which the plastic material is more transparent than in the rest (4) of the rear window (1). The light source (5) of the third break light is positioned on the inner surface (1a) of the rear window such as to scatter the light emitted by said source through said area (3).

Description

LUNETTE ARRIÈRE EN MATIÈRE PLASTIQUE POUR VÉHICULE AUTOMOBILE ÉQUIPÉE D'UN TROISIÈME FEU STOP  PLASTIC REAR WINDOW FOR MOTOR VEHICLE EQUIPPED WITH A THIRD STOP FIRE
La présente invention concerne une lunette arrière en matière plastique pour véhicule automobile portant sur sa face intérieure un troisième feu stop.  The present invention relates to a plastic rear window for a motor vehicle carrying on its inner side a third brake light.
L'invention concerne également un véhicule automobile équipé d'une telle lunette arrière.  The invention also relates to a motor vehicle equipped with such a rear window.
Les brevets FR 2 766 198 et 2 779 990 décrivent un vitrage en matière plastique transparente pouvant incorporer un insert ayant une fonction particulière telle qu'un feu stop.  Patents FR 2 766 198 and 2 779 990 describe a transparent plastic glazing that can incorporate an insert having a particular function such as a stop light.
Les lunettes arrière en matière plastique présentent l'avantage d'être nettement moins lourdes que les lunettes ou autres vitrages en verre.  The rear plastic glasses have the advantage of being significantly lighter than glasses or other glass panes.
De plus, les lunettes arrière en matière plastique sont compatibles avec l'intégration de fonctions, telles qu'un feu stop, ce qui n'est pas le cas des lunettes arrière en verre.  In addition, the rear plastic sunglasses are compatible with the integration of functions such as a brake light, which is not the case of glass rear glasses.
Lorsque la source lumineuse du feu stop est située sur la face intérieure de la lunette arrière, la lumière émise par cette source doit traverser la matière plastique de la lunette pour être visible à l'arrière du véhicule.  When the light source of the brake light is located on the inside of the rear window, the light emitted by this source must pass through the plastic material of the bezel to be visible at the rear of the vehicle.
Pour protéger les occupants du véhicule à l'égard du rayonnement solaire, la matière plastique de la lunette arrière est teintée, ce qui nuit à la transmission du rayonnement émis par le feu stop à travers la lunette arrière.  To protect the occupants of the vehicle from solar radiation, the plastic material of the rear window is tinted, which affects the transmission of radiation emitted by the brake light through the rear window.
De ce fait, le feu stop risque de ne pas être suffisamment visible pour satisfaire aux exigences réglementaires.  As a result, the brake light may not be visible enough to meet regulatory requirements.
On connaît par JP 2000301985 une lunette arrière en matière plastique, recouverte d'un film extérieur présentant une zone teintée en rouge pour diffuser une lumière rouge émise par un feu stop situé sur la face intérieure de la lunette.  JP 2000301985 discloses a plastic rear window, covered with an outer film having a red tinted area to diffuse a red light emitted by a stop light located on the inner face of the bezel.
EP 0 745 512 propose un 3ieme feu stop enfermé dans un boîtier renfermant un dispositif lumineux fixé devant la lunette arrière et qui présente une partie guidant la lumière du dispositif lumineux vers une partie de la lunette arrière laissant passer la lumière prévue dans une zone sombre entourant la lunette arrière. EP 0745512 provides 3-th stop lamp enclosed in a housing containing a light device fixed to the rear window and which has a portion guiding the light of the luminous device to a portion of the rear window-passing aperture provided in a dark area surrounding the rear window.
Le but de la présente invention est de créer une lunette arrière en matière plastique qui intègre un troisième feu stop satisfaisant aux exigences ci-dessus. Ce but est atteint, selon l'invention, grâce à une lunette arrière en matière plastique pour véhicule automobile portant sur sa face intérieure un troisième feu stop, caractérisée en ce qu'elle comprend une zone dans laquelle la matière plastique est plus transparente que dans le reste de la lunette arrière, la source lumineuse du troisième feu stop étant positionnée sur la face intérieure de la lunette arrière de façon à diffuser la lumière émise par cette source à travers ladite zone. The object of the present invention is to create a plastic rear window which incorporates a third brake light satisfying the above requirements. This object is achieved, according to the invention, thanks to a rear window made of plastic for a motor vehicle carrying on its inner side a third brake light, characterized in that it comprises a zone in which the plastic is more transparent than in the rest of the rear window, the light source of the third stop light being positioned on the inner face of the rear window so as to diffuse the light emitted by this source through said area.
Ainsi, la source lumineuse diffuse la lumière à travers une zone de la lunette qui est plus transparente que le reste de la lunette arrière, de sorte que la visibilité de cette source lumineuse ne risque pas d'être compromise par la transparence insuffisante du reste de la lunette arrière.  Thus, the light source diffuses light through an area of the telescope that is more transparent than the rest of the rear window, so that the visibility of this light source is not likely to be compromised by the insufficient transparency of the rest of the window. the rear window.
De préférence, ladite zone plus transparente est obtenue par bi-injection de matière plastique, en formant un insert de matière transparente dans la lunette arrière en matière plastique moins transparente.  Preferably, said more transparent zone is obtained by bi-injection of plastic material, forming an insert of transparent material in the rear window of less transparent plastic material.
De préférence également, ladite zone est en matière plastique dont la transparence est égale ou supérieure à 80%.  Also preferably, said zone is made of plastic whose transparency is equal to or greater than 80%.
Cette transparence est suffisante pour permettre une transmission optimale de la lumière émise par le feu stop.  This transparency is sufficient to allow optimal transmission of the light emitted by the stop light.
Dans un mode de réalisation avantageux de l'invention, ladite matière plastique est du polycarbonate ou du polyméthacrylate de méthyle. L'ensemble de la lunette arrière peut être constituée de la même matière plastique avec des transparences différentes pour les différentes parties de la lunette ou de matières plastiques différentes compatibles pour constituer une lunette arrière présentant des transparences différentes pour les différentes parties de la lunette.  In an advantageous embodiment of the invention, said plastic material is polycarbonate or polymethylmethacrylate. The entire rear window can be made of the same plastic with different transparencies for different parts of the bezel or different plastics compatible to form a rear window with different transparencies for different parts of the bezel.
Dans une version avantageuse de l'invention, ladite zone plus transparente est située dans une zone opaque qui entoure le reste de la lunette arrière.  In an advantageous version of the invention, said more transparent zone is located in an opaque zone which surrounds the rest of the rear window.
Dans ce cas, tout le reste de la lunette arrière est en matière plastique teintée dans sa masse, pour protéger efficacement les occupants du véhicule contre le rayonnement solaire.  In this case, all the rest of the rear window is colored plastic in its mass, to effectively protect the occupants of the vehicle against solar radiation.
Dans une autre version de l'invention, ladite zone est en matière plastique plus transparente que dans le reste de la lunette arrière dans toute l'épaisseur de cette zone. Dans cette version, ladite zone est en matière plastique plus transparente sur une partie de l'épaisseur de cette zone, le reste de l'épaisseur de cette zone étant constituée par de la matière plastique moins transparente identique à celle constituant le reste de la lunette arrière. In another version of the invention, said zone is made of plastic more transparent than in the rest of the rear window throughout the thickness of this area. In this version, said zone is made of a more transparent plastic material over part of the thickness of this zone, the remainder of the thickness of this zone consisting of less transparent plastic material identical to that constituting the rest of the telescope back.
Dans ce cas, la source lumineuse du feu stop est rendue invisible lorsqu'elle n'est pas allumée grâce à l'épaisseur de la matière teintée donc moins transparente, tout en étant suffisamment visible lorsqu'elle est allumée, grâce à l'épaisseur de la matière qui est plus transparente.  In this case, the light source of the stop light is made invisible when it is not lit thanks to the thickness of the tinted material and therefore less transparent, while being sufficiently visible when it is lit, thanks to the thickness of matter that is more transparent.
Cette particularité présente un avantage sur le plan esthétique.  This feature has an aesthetic advantage.
Selon une autre particularité de l'invention, la source lumineuse est constituée par des diodes électroluminescentes ou des diodes lasers montées sur un support pourvu de moyens permettant de fixer ce support de façon amovible sur la face intérieure de la lunette arrière en regard de la dite zone plus transparente.  According to another feature of the invention, the light source is constituted by light-emitting diodes or laser diodes mounted on a support provided with means for fixing the support removably on the inner face of the rear window opposite the said more transparent area.
Selon un autre aspect, l'invention concerne également un véhicule automobile équipé d'une lunette arrière selon l'invention.  According to another aspect, the invention also relates to a motor vehicle equipped with a rear window according to the invention.
D'autres particularités et avantages de l'invention apparaîtront encore tout au long de la description ci-après.  Other features and advantages of the invention will become apparent throughout the description below.
Aux dessins annexés, donnés à titre d'exemples, non limitatifs :  In the accompanying drawings, given by way of nonlimiting examples:
- la figure 1 est une vue schématique en coupe verticale d'un premier mode de réalisation d'une lunette arrière selon l'invention,  FIG. 1 is a diagrammatic view in vertical section of a first embodiment of a rear window according to the invention,
- la figure 2 est une vue schématique en plan montrant la face extérieure de la lunette arrière représentée sur la figure 1 ,  FIG. 2 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 1,
- la figure 3 est une vue analogue à la figure 1 d'un second mode de réalisation d'une lunette arrière selon l'invention,  FIG. 3 is a view similar to FIG. 1 of a second embodiment of a rear window according to the invention,
- la figure 4 est une vue schématique en plan montrant la face extérieure de la lunette arrière représentée sur la figure 3,  FIG. 4 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 3,
- la figure 5 est une vue analogue à la figure 1 d'un troisième mode de réalisation d'une lunette arrière selon l'invention,  FIG. 5 is a view similar to FIG. 1 of a third embodiment of a rear window according to the invention,
- la figure 6 est une vue schématique en plan montrant la face extérieure de la lunette arrière représentée sur la figure 5,  FIG. 6 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 5;
- la figure 7 est une vue analogue à la figure 1 d'un quatrième mode de réalisation d'une lunette arrière selon l'invention, - la figure 8 est une vue schématique en plan montrant la face extérieure de la lunette arrière représentée sur la figure 7, FIG. 7 is a view similar to FIG. 1 of a fourth embodiment of a rear window according to the invention, FIG. 8 is a diagrammatic plan view showing the outside face of the rear window shown in FIG. 7,
- la figure 9 est une vue en plan de la zone transparente de la lunette arrière selon l'invention montrant par transparence le support des diodes constituant la source lumineuse du feu stop.  - Figure 9 is a plan view of the transparent zone of the rear window according to the invention showing by transparency the support of the diodes constituting the light source of the stop light.
Les figures 1 et 2 représentent schématiquement une lunette arrière 1 en matière plastique pour véhicule automobile portant sur sa face intérieure 1 a un troisième feu stop 2.  Figures 1 and 2 show schematically a rear window 1 of plastic for a motor vehicle on its inner side 1 has a third brake light 2.
Conformément à l'invention, la lunette arrière 1 comprend une zone 3 dans laquelle la matière plastique est plus transparente que dans le reste 4 de la lunette arrière 1 .  According to the invention, the rear window 1 comprises a zone 3 in which the plastic is more transparent than in the rest 4 of the rear window 1.
De plus, la source lumineuse 5 du troisième feu stop 2 est positionnée sur la face intérieure 1 a de la lunette arrière 1 de façon à diffuser la lumière émise par cette source à travers la zone 3.  In addition, the light source 5 of the third brake light 2 is positioned on the inner face 1a of the rear window 1 so as to diffuse the light emitted by this source through the zone 3.
Ainsi, la lumière diffusée à travers la zone transparente 5 ne risque pas d'être atténuée et d'être insuffisamment visible par les automobilistes.  Thus, the light diffused through the transparent zone 5 is not likely to be attenuated and to be insufficiently visible by the motorists.
Cette zone plus transparente 3 est obtenue par bi-injection de matière plastique.  This more transparent zone 3 is obtained by bi-injection of plastic material.
Cette zone 3 est en matière plastique dont la transparence est égale ou supérieure à 80%.  This zone 3 is made of plastic whose transparency is equal to or greater than 80%.
De préférence, la matière plastique de la lunette arrière 1 est en polycarbonate ou polyméthacrylate de méthyle.  Preferably, the plastic material of the rear window 1 is made of polycarbonate or polymethylmethacrylate.
Dans le mode de réalisation représenté sur les figures 1 et 2, la zone 3 plus transparente est située à la partie supérieure de la lunette arrière 1 dans une zone opaque 6 qui entoure le reste 4 de la lunette arrière 1 .  In the embodiment shown in FIGS. 1 and 2, the more transparent zone 3 is located at the upper part of the rear window 1 in an opaque zone 6 which surrounds the remainder 4 of the rear window 1.
Ce reste 4 de la lunette arrière 1 est en matière plastique teintée dans sa masse et présente une transparence inférieure à 80%.  This remains 4 of the rear window 1 is made of plastic material tinted in its mass and has a transparency of less than 80%.
Par ailleurs, dans l'exemple représenté sur les figures 1 et 2, la zone 3 est en matière plastique plus transparente que dans le reste 4 de la lunette arrière dans toute l'épaisseur de cette zone 3.  Furthermore, in the example shown in Figures 1 and 2, the zone 3 is made of plastic more transparent than in the rest 4 of the rear window throughout the thickness of this zone 3.
Dans l'exemple représenté sur les figures 3 et 4, la zone 3a en matière plastique plus transparente que le reste 4 de la lunette arrière est située sous la partie supérieure opaque 6, c'est-à-dire dans le reste qui est en matière plastique teintée. In the example shown in FIGS. 3 and 4, zone 3a made of a more transparent plastic material than the rest 4 of the rear window is located under opaque upper part 6, that is to say in the rest which is tinted plastic.
Comme dans le cas des figures 1 et 2, la zone 3a est en matière plastique plus transparente dans toute l'épaisseur de la lunette arrière.  As in the case of Figures 1 and 2, the zone 3a is more transparent plastic material throughout the thickness of the rear window.
Dans l'exemple représenté sur les figures 5 à 8, la zone 3b ou 3c est en matière plastique plus transparente sur une partie seulement de l'épaisseur de la lunette.  In the example shown in Figures 5 to 8, the zone 3b or 3c is more transparent plastic on only a part of the thickness of the bezel.
L'autre partie de cette épaisseur est en matière plastique teintée comme dans le reste 4 de la lunette.  The other part of this thickness is tinted plastic as in the rest 4 of the bezel.
Cette autre partie représente à peu près la moitié de l'épaisseur totale de la lunette.  This other part represents about half of the total thickness of the telescope.
Dans ces deux modes de réalisation, la visibilité de la source lumineuse 5 lorsque celle-ci est allumée est légèrement moins bonne que dans le cas des figures 1 à 4.  In these two embodiments, the visibility of the light source 5 when it is lit is slightly worse than in the case of Figures 1 to 4.
Cependant, la source lumineuse 5 est moins visible lorsque cette source est éteinte, ce qui est favorable sur le plan esthétique.  However, the light source 5 is less visible when the source is off, which is favorable in terms of aesthetics.
Dans le mode de réalisation représenté sur les figures 5 et 6, la zone 3b en matière plus transparente est située dans la zone opaque 6, comme dans le cas des figures 1 et 2.  In the embodiment shown in FIGS. 5 and 6, the zone 3b of more transparent material is located in the opaque zone 6, as in the case of FIGS. 1 and 2.
Dans le mode de réalisation représenté sur les figures 7 et 8, la zone 3c en matière plastique plus transparente est située dans le reste 4 de la lunette, c'est-à- dire sous la zone opaque 6.  In the embodiment shown in FIGS. 7 and 8, the zone 3c made of more transparent plastic material is located in the remainder 4 of the telescope, that is to say under the opaque zone 6.
Ce mode de réalisation présente l'avantage de masquer non seulement la source lumineuse 5 lorsque celle-ci est éteinte, mais également la zone 3c grâce à la partie qui recouvre celle-ci et qui est moins transparente.  This embodiment has the advantage of masking not only the light source 5 when it is off, but also the area 3c through the part that covers it and is less transparent.
La source lumineuse 5 peut être constituée, comme montré sur la figure 9, par des diodes électroluminescentes ou des diodes lasers montées sur un support 7 situé derrière la zone transparente 3, 3a, 3b ou 3c.  The light source 5 may be constituted, as shown in FIG. 9, by light-emitting diodes or laser diodes mounted on a support 7 located behind the transparent zone 3, 3a, 3b or 3c.
Ce support peut être fixé à la lunette arrière par des moyens de fixation, tels que des vis ou des pions ou ergots encliquetables.  This support can be attached to the rear window by fastening means, such as screws or pegs or snap pins.
A titre de variante de réalisation, des moyens optiques, tels que des lentilles peuvent être disposées entre les diodes et la zone transparente 3, 3a, 3b ou 3c. La zone de jonction entre la source lumineuse et la matière transparente de la zone 3, 3a, 3b ou 3c peut être réalisée selon différentes configurations, telles que par une colle optique ou un ruban adhésif transparent permettant d'isoler les diodes de l'environnement extérieur et de réaliser l'adhésion avec la lunette arrière. As an alternative embodiment, optical means such as lenses may be arranged between the diodes and the transparent zone 3, 3a, 3b or 3c. The junction zone between the light source and the transparent material of the zone 3, 3a, 3b or 3c can be made in various configurations, such as by an optical adhesive or a transparent adhesive tape enabling the diodes of the environment to be isolated. outside and achieve adhesion with the rear window.
Bien entendu, la zone transparente de la lunette arrière pourrait avoir une forme autre que la forme rectangulaire représentée sur les figures.  Of course, the transparent area of the rear window could have a shape other than the rectangular shape shown in the figures.
Cette forme pourrait être scindée en deux ou plusieurs parties.  This form could be split into two or more parts.

Claims

REVENDICATIONS
1 . Lunette arrière (1 ) en matière plastique pour véhicule automobile, portant sur sa face intérieure (1 a) un troisième feu stop (2), caractérisée en ce qu'elle comprend une zone (3, 3a, 3b, 3c) dans laquelle la matière plastique est plus transparente que dans le reste (4) de la lunette arrière (1 ), la source lumineuse (5) du troisième feu stop (2) étant positionnée sur la face intérieure (1 a) de la lunette arrière de façon à diffuser la lumière émise par cette source à travers ladite zone (3, 3a, 3b, 3c). 1. Rear window (1) of plastic for a motor vehicle, bearing on its inner face (1 a) a third brake light (2), characterized in that it comprises a zone (3, 3a, 3b, 3c) in which the plastic material is more transparent than in the rest (4) of the rear window (1), the light source (5) of the third brake light (2) being positioned on the inner face (1 a) of the rear window so as to diffusing the light emitted by this source through said zone (3, 3a, 3b, 3c).
2. Lunette arrière selon la revendication 1 , caractérisée en ce que ladite zone plus transparente (3, 3a, 3b, 3c) est obtenue par bi-injection de matière plastique.  2. Rear window according to claim 1, characterized in that said more transparent area (3, 3a, 3b, 3c) is obtained by bi-injection of plastic material.
3. Lunette arrière selon l'une des revendications 1 ou 2, caractérisée en ce que ladite zone (3, 3a, 3b, 3c) est en matière plastique dont la transparence est égale ou supérieure à 80%.  3. Rear window according to one of claims 1 or 2, characterized in that said area (3, 3a, 3b, 3c) is plastic whose transparency is equal to or greater than 80%.
4. Lunette arrière selon l'une des revendications 1 à 3, caractérisée en ce que ladite matière plastique est du polycarbonate ou du polyméthacrylate de méthyle.  4. Rear window according to one of claims 1 to 3, characterized in that said plastic is polycarbonate or polymethyl methacrylate.
5. Lunette arrière selon l'une des revendications 1 à 4, caractérisée en ce que ladite zone plus transparente (3, 3b) est située dans une zone opaque (6) qui entoure le reste (4) de la lunette arrière.  5. Rear window according to one of claims 1 to 4, characterized in that said more transparent area (3, 3b) is located in an opaque area (6) surrounding the remainder (4) of the rear window.
6. Lunette arrière selon l'une des revendications 1 à 5, caractérisée en ce que le reste (4) de la lunette arrière est en matière plastique teintée dans sa masse.  6. Rear window according to one of claims 1 to 5, characterized in that the rest (4) of the rear window is plastic colored tinted in its mass.
7. Lunette arrière selon l'une des revendications 1 à 6, caractérisée en ce que ladite zone (3, 3a) est en matière plastique plus transparente que dans le reste (4) de la lunette arrière dans toute l'épaisseur de cette zone (3, 3a).  7. Rear window according to one of claims 1 to 6, characterized in that said zone (3, 3a) is made of plastic more transparent than in the rest (4) of the rear window throughout the thickness of this area (3, 3a).
8. Lunette arrière selon la revendication 6, caractérisée en ce que ladite zone (3b, 3c) est en matière plastique plus transparente sur une partie de l'épaisseur de cette zone, le reste de l'épaisseur de cette zone étant constituée par de la matière plastique moins transparente identique à celle constituant le reste (4) de la lunette arrière. 8. Rear window according to claim 6, characterized in that said zone (3b, 3c) is made of a more transparent plastic material over a part of the thickness of this zone, the remainder of the thickness of this zone being constituted by the less transparent plastic material identical to that constituting the remainder (4) of the rear window.
9. Lunette arrière selon l'une des revendications 1 à 8, caractérisée en ce que la source lumineuse (5) est constituée par des diodes électroluminescentes ou des diodes lasers montées sur un support pourvu de moyens permettant de fixer ce support (7) de façon amovible sur la face intérieure de la lunette arrière en regard de la dite zone (3, 3a, 3b, 3c) plus transparente. 9. Rear window according to one of claims 1 to 8, characterized in that the light source (5) is constituted by light-emitting diodes or laser diodes mounted on a support provided with means for fixing the support (7) of removably on the inner face of the rear window facing the said zone (3, 3a, 3b, 3c) more transparent.
10. Véhicule automobile équipé d'une lunette arrière (1 ) en matière plastique, selon l'une des revendications 1 à 9.  10. Motor vehicle equipped with a plastic rear window (1) according to one of claims 1 to 9.
PCT/FR2014/053078 2013-11-29 2014-11-28 Plastic rear window for a motor vehicle, provided with a third break light WO2015079184A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14821749.0A EP3074275A1 (en) 2013-11-29 2014-11-28 Plastic rear window for a motor vehicle, provided with a third break light
CN201480065427.8A CN105793110B (en) 2013-11-29 2014-11-28 Rear window made of plastic material for the motor vehicle equipped with third brake lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1361903 2013-11-29
FR1361903A FR3014033B1 (en) 2013-11-29 2013-11-29 PLASTIC REAR WINDOW FOR MOTOR VEHICLE EQUIPPED WITH A THIRD STOP FIRE

Publications (1)

Publication Number Publication Date
WO2015079184A1 true WO2015079184A1 (en) 2015-06-04

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PCT/FR2014/053078 WO2015079184A1 (en) 2013-11-29 2014-11-28 Plastic rear window for a motor vehicle, provided with a third break light

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Country Link
EP (1) EP3074275A1 (en)
CN (1) CN105793110B (en)
FR (1) FR3014033B1 (en)
WO (1) WO2015079184A1 (en)

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FR2779990A1 (en) 1998-06-19 1999-12-24 Saint Gobain Vitrage GLASS IN PLASTIC MATERIAL WITH ADDITION OF OVER-MOLDED PLASTIC MATERIAL
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CN113370888B (en) * 2021-06-08 2023-10-20 福耀玻璃工业集团股份有限公司 Vehicle window assembly and vehicle

Also Published As

Publication number Publication date
FR3014033A1 (en) 2015-06-05
EP3074275A1 (en) 2016-10-05
CN105793110A (en) 2016-07-20
CN105793110B (en) 2018-09-21
FR3014033B1 (en) 2017-06-16

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