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
  • B60Q1/2661—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
• • 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
  • B60Q1/0029—Spatial arrangement
  • B60Q1/0035—Spatial arrangement relative to the vehicle
• • 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
  • B60Q1/2607—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 comprising at least two indicating lamps
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
  • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
  • F21S43/14—Light emitting diodes [LED]
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
  • F21S43/235—Light guides
  • F21S43/236—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
  • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
• • 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
  • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255

Definitions

• U invention relates to the field of the automotive industry.
• the invention relates to a light device for a motor vehicle body part, and in particular a light device intended to contribute to the general appearance of vehicle body parts.
• the invention also relates to a bodywork part provided with such a light device.
• the rods fixed on the grille are elements of style whose design is the subject of particular care on the part of the vehicle designers. These style elements are more and more often lighting devices.
• These light devices participate in the general appearance of the vehicle and can be attached to any bodywork visible from the outside, such as an opening, a bumper, a radiator grille.
• light devices include light sources placed directly under a transparent surface.
• the object of the invention is to overcome these drawbacks.
• the object of the invention relates to a light device capable of being attached to a bodywork part of a motor vehicle, and comprising:
• a first light element capable of emitting light in substantially a first main direction
• a second light element capable of emitting light in substantially a second main direction different from the first main direction.
• the light device can also include one or more of the following characteristics, taken alone or in combination:
• the light device comprises a transparent wall formed of a transparent or translucent material, and comprising an outer face intended to be visible from outside the vehicle and an inner face opposite to the outer face; the first light element is capable of emitting light in substantially the first main direction, from the outside face through a first area of the transparent wall, and the second light element is capable of emitting light in substantially the second main direction , from the outside face through a second zone of the transparent wall;
• the first light element comprises at least one primary source of light emitting light:
• the primary light source is not visible from outside the vehicle when the light device is attached to the bodywork part mounted on the motor vehicle;
• the second light element comprises at least one primary source of light emitting light:
• the wall is made of transparent or translucent material chosen alone or in combination from: polypropylene, thermoplastic polyurethane, Polycarbonate, Polymethylmethacrylate, Acrylonitrile Butadiene Styrene translucent, Acrylonitrile Styrene Acrylate, styrene acrylonitrile, a mixture of Acrylonitrile Styrene Acrylate and Polycarbonate, a mixture of Polycarbonate and Ethylene Polyterephthalate), or alternatively of amorphous polyolefin such as cyclo-olefins copolymers or cyclo-olefins-polymers;
• the second zone is configured so that the light emitted in the second main direction substantially tangentially illuminates a surface on which the light device is intended to be attached, and the first zone is configured so that the first main direction is substantially oriented towards the in front of the vehicle;
• the transparent wall comprises at the level of the first zone a coating capable of transmitting the light emitted by the first light element and capable of masking the first light element when looking at the external face of the device;
• the coating is made from a varnish, an adhesive polymer film, and / or a coating deposited by PVD;
• the transparent wall comprises at the level of the first zone at least one opaque element, capable of blocking the light emitted by the first light element;
• the opaque element is made of an opaque material chosen alone or in combination from a polycarbonate, a polypropylene, a polymethyl methacrylate, a polyamide, a copolyester, or acrylonitrile butadiene styrene;
• the transparent wall, the coating and the opaque element are produced by molding; the coating and / or the opaque element is molded onto the transparent wall;
• the coating and the opaque element are formed by the same polymer film
• the transparent wall has a substantially U-shaped section, each end of the U constituting a second zone;
• the light device comprises at least one means of attachment to the bodywork part
• the light device forms a strip capable of being attached to a grid on the front of the vehicle.
• the invention also relates to a motor vehicle body part, comprising at least one surface on which a light device according to the invention is attached.
• the bodywork part may also include one or more of the following characteristics, taken alone or in combination: the light device is attached by clipping, screwing, welding or gluing;
• the second zone is configured so that the light emitted in the second main direction illuminates in a substantially tangential manner the surface on which the light device is attached;
• the first main direction is substantially oriented towards the front of the vehicle when the part is mounted on the vehicle;
• the surface comprises at least one reflecting element capable of directing the light emitted by the second luminous element in the second main direction;
• the transparent wall has a substantially U-shaped section, each end of the U constituting a second zone;
• the second light element comprises a primary light source
• the surface to which the light device is attached comprises a first reflective element capable of directing the light emitted by the primary source in a first direction in the second main direction, and a second reflective element able to direct the light emitted by the primary source in a second direction in the second main direction;
• the second main direction is substantially oriented towards the surface on which the light device is attached;
• the primary light source is not visible from outside the vehicle when the bodywork part is mounted on the motor vehicle;
• the bodywork part forms a grille on the front side of a motor vehicle, a door, a front or rear bumper, a tailgate, or a roof.
• FIG. 1 illustrates a front face of a motor vehicle, comprising a grid provided with a light device in the form of a decorative strip and / or mechanical reinforcement;
• FIG. 3 illustrates an example of a light device provided with means of attachment to a part of the clipping type
• FIG. 4 illustrates a first embodiment of a light device according to the invention (the arrows schematize the emission of light);
• FIG. 5 illustrates a second embodiment of the light device according to the invention (the arrows represent the emission of light);
• FIG. 6 illustrates a third embodiment of a light device according to the invention (the arrows schematize the emission of light);
• FIG. 7 illustrates a fourth embodiment of the light device according to the invention (the arrows show the emission of light).
• FIG. 1 illustrates an example of a light device 100 according to the invention.
• This light device 100 is capable of being attached to a bodywork part 200 of a motor vehicle 300. It comprises a first light element 110 capable of emitting light in substantially a first main direction D1, and a second light element 120 capable of emitting light in substantially a second main direction D2 different from the first main direction D1.
• light can be emitted in a set of directions, materialized by arrows in the figures. These directions correspond to rays, and all of these rays form the light beam. Among the directions, one is called the main direction: it is the direction of the central ray of the light beam which leaves a zone of the light device.
• the light device 100 comprises at least one fixing means 130 to the bodywork part 200.
• it can be clips. But any other fixing means known to specialists can be used.
• the first light element 110 and the second light element 120 emit light either directly from a primary light source, such as one or more light emitting diodes (LED), or from a set of tablecloth optical fibers, strand, etc., supplied with light by a remote primary source.
• a primary light source such as one or more light emitting diodes (LED)
• LED light emitting diodes
• the light emitting diodes can be of the "white” or “RGB” type and static or dynamic.
• light can be emitted by the primary light source or by the optical fibers, either directly in the first main direction D1 or in the second main direction D2, or through a reflective element (not shown) of the first light element 110 or through a reflecting element 128 of the second light element 120, the latter reflecting light respectively in the first main direction D1 or in the second main direction D2.
• the first light element 110 comprises at least one primary source 112 of light, such as one or more LEDs, emitting light either directly in the first main direction D1, or by means of a reflective element (not shown), or through at least one layer 114 of optical fibers, or through at least one strand 116 of optical fibers. These optical fibers emitting light in the first main direction D1.
• the second light element 120 includes at least one primary light source 122, such as one or more LEDs, emitting light either directly in the second main direction D2, or by means of a reflecting element 128, either through at least one layer (not shown) of optical fibers, or through at least one strand 126 of optical fibers. These optical fibers emitting light in the second main direction D2.
• primary light source 122 such as one or more LEDs
• a reflecting element 128 either through at least one layer (not shown) of optical fibers, or through at least one strand 126 of optical fibers.
• the light device 100 comprises a main body forming a transparent wall 140.
• This transparent wall 140 is formed of a plastic material transparent to light or translucent.
• the wall is made of a material transparent to light, such as polypropylene, thermoplastic polyurethane, Polycarbonate (PC), Polymethylmethacrylate (PMMA), Acrylonitrile Butadiene Styrene translucent (ABS ), Acrylonitrile Styrene Acrylate (ASA), styrene acrylonitrile (SAN), a mixture of Acrylonitrile Styrene Acrylate and Polycarbonate, a mixture of Polycarbonate and Ethylene Polyterephthalate), or also amorphous polyolefin such as cyclo - copolymer olefins (COC) or cyclo-olefins-polymers (COP).
• a material transparent to light such as polypropylene, thermoplastic polyurethane, Polycarbonate (PC), Polymethylmethacrylate (PMMA), Acrylonitrile Butadiene Styrene translucent (ABS ), Acrylonitrile Styrene Acrylate (ASA), sty
• the transparent wall 140 has an outer face intended to be visible from outside the vehicle and an inner face opposite the outer face. According to the example illustrated in the figures, the transparent wall 140 forms a rod having a U-shaped section. The outer face of this rod is intended to be visible. On the other hand, the opposite face, which is located inside the U, is a face which is not intended to be visible from outside the vehicle.
• the transparent wall 140 has at least two main zones: a first zone 142 and a second zone 144.
• the first light element 110 is capable of emitting light through the first zone 142, and towards the outside (from the outer face).
• the second light element 120 is capable of emitting light through the second zone 144.
• the second zone 144 is configured so that the light emitted in the second main direction D2 substantially tangentially illuminates the surface 210 of the bodywork part 200 on which the light device 100 is intended to to be reported. In this way, a halo type lighting is created on the surface 210.
• the first area 142 is configured so that the first main direction D1 is substantially oriented towards the front of the vehicle.
• the first zone 142 may be covered by a coating 150.
• a coating within the meaning of the invention may be a paint, a varnish, a polymer film, a metallic film or else a coating by screen printing.
• the coating 150 is a transparent, semi-transparent (or semi-opaque), or semi-reflective coating. This coating is capable of transmitting the light emitted by the first light element 110, and capable of masking the first light element 110 which is off when looking at the external face of the device 100.
• the transmittance of a material is the fraction of the light flux passing through it. Thus the transmittance represents the ratio of the light intensity transmitted by the material to the incident light intensity.
• An element is called transparent when it lets light pass through it in the visible domain. It is considered that an element having a transmittance of approximately 90% is transparent.
• An element is called translucent when it lets light pass through it in the visible range, but without making it possible to clearly distinguish objects.
• An element with a transmittance of around 60% is considered to be translucent.
• the light element 110 when the light element 110 is turned off, the appearance of the light device 100 is given by the coating 150 forming the outer layer of the light device 100. Conversely, when the light element 110 is on, the light device 100 appears in the form of a uniformly luminous surface.
• the purpose of the coating 150 is therefore:
• the coating 150 may consist of a varnish, an adhesive polymer film, or a coating deposited by physical vapor deposition (PVD) on the outer face of the wall 140.
• the first zone 142 can also be covered by one or more opaque elements 160, capable of blocking the light emitted by the first light element 110.
• An opaque element 160 may be a coating different from the coating 150 or an opaque body contained in the coating 150.
• An opaque element 160 may be made of an opaque material chosen alone or in combination from: a polycarbonate, polypropylene, a polymethacrylate methyl, polyamide, copolyester, or acrylonitrile butadiene styrene (ABS).
• the coating 150 and the opaque element 160 thus form an element covering the first zone 142, and forming a set of light transmission zones and opaque zones.
• the coating 150 may, for example, have a color identical to that of the opaque element 160.
• the transparent wall 140, the coating 150 and the opaque element 160 are produced by molding.
• the coating 150 is overmolded on the transparent wall 140. If the opaque element 1 60 is not present in the coating 150, then, preferably, the opaque element 160 is also overmolded on the transparent wall 140.
• the opaque element 160 and the transparent wall 140 can also be bi-injected. The advantage of a bi-injection manufacturing process is that an opaque zone can be provided between two transparent zones, over the entire thickness of the part. Thus, there is no light leakage between the two light elements via a thickness of transparent material.
• the coating 150 and the opaque element 160 are formed by the same polymer film.
• the invention also relates to a bodywork part 200, such as a front face grille 250 of a motor vehicle 300, a door, a front or rear bumper, a tailgate, a roof, comprising at least one surface.
• a bodywork part 200 such as a front face grille 250 of a motor vehicle 300, a door, a front or rear bumper, a tailgate, a roof, comprising at least one surface.
• 210 to which a light device 100 according to the invention is attached.
• surface 210 is meant a surface 210 passing through the front ends of the front face grid 250, these ends forming bar noses 215 of the grid.
• the light device 100 can be attached to the part 200 by clipping, screwing, welding or gluing.
• the surface 210 comprises at least one reflecting element capable of directing the light emitted by the second light element 120 in the second main direction D2.
• the light device 100 it is no longer necessary for the light device 100 to include this reflecting element.
• Figure 1 illustrates the front part of a motor vehicle 300, equipped with a front face 250.
• the front face 250 comprises a grid 200, constituting an example of bodywork part according to the invention.
• the grid 200 comprises a light device 100.
• FIG. 2A illustrates in detail the grid 200 and the rod 100 of FIG. 1.
• FIG. 2B illustrates in detail and in section the arrangement of the rod 100 on the grid 200.
• the transparent wall 140 forms a rod having a U-shaped section.
• This wall 140 has two second zones 144, located at the right ends of the U. Each second zone 144 thus substantially forms a rectangle, as illustrated in FIG. 3.
• the wall 140 has a first zone 142, located at the rounded part of the U.
• This first zone 142 forms a rod having a U-shaped section, as illustrated in FIG. 3.
• the first zone 142 is constituted by an overthickness of transparent material forming the transparent wall 140. On its outer face, the first zone 142 is covered by a coating 150 comprising transparent zones and opaque zones formed by opaque elements 160 The transparent areas allow direct lighting upwards, while the opaque areas block the light in other directions.
• the light device 100 also includes a transverse wall 170 connecting the two bars of the U in section. On one face of this wall, facing the grid 200, is fixed a light-emitting diode 122. This diode emits light in the direction of two reflectors (not shown). These reflectors are carried by the grid 200. They direct the light emitted by the diode 122 in the second direction D2: upwards and downwards, in order to illuminate the grid 200 tangentially.
• the transverse wall 170 carries on the face opposite to that carrying the diode 122 a protrusion 172 in the direction of the rounded part of the U.
• This protrusion carries a layer of optical fibers 114.
• the light device 100 has the same structure as that of the first embodiment described above.
• the difference lies in the second light element 120.
• the second light element 120 comprises, according to this second embodiment, two light-emitting diodes 122 located on a support 180, itself fixed to the transverse wall 170.
• the diodes 122 emit light directly through the wall 140 and in the second direction D2.
• the grid 200 comprises an element 220 for fixing the grid 200 to the transverse wall 170.
• the light device 100 has the same structure as that of the second embodiment described above. The difference lies in the first light element 110.
• the projection 172 carries a strand 116 of optical fibers. It can also be noted that this projection 172 allows the strand 116 to be pressed directly against the wall 140. The transparency zones and the opaque zones of the coating 150 are then modified accordingly, so that the strand 116 can emit light out of the device. luminous 100 in the first direction D1.
• the light device 100 has a wall 140 and a coating 150 similar to the third embodiment.
• the bodywork part 200 is no longer a grid, but a "solid" bodywork part, such as an opening (door, hood, boot, tailgate, etc.), a wing, a roof, a bumper. ..
• the light device 100 is attached in a recess area of the bodywork part 200. But the surface 210 could be flat.
• the transverse wall 170 does not carry an element of the second light element 120. Furthermore, this transverse wall 170 no longer has a projection but an oriented face, making it possible to direct the primary source 112, fixed on this oriented face .
• the second light element 120 comprises a strand 126 of optical fibers, carried by a support element 230 of bodywork part 200.
• 130 means for fixing the device 100 to the bodywork part 200

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Optics & Photonics (AREA)
• Lighting Device Outwards From Vehicle And Optical Signal (AREA)
• Non-Portable Lighting Devices Or Systems Thereof (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=65244267

Family Applications (1)

Country Status (3)

Families Citing this family (6)

Family Cites Families (4)

• 2018
  • 2018-10-12 FR FR1859481A patent/FR3087247B1/fr active Active
• 2019
  • 2019-10-11 EP EP19800916.9A patent/EP3863890A1/de active Pending
  • 2019-10-11 WO PCT/EP2019/077670 patent/WO2020074739A1/fr unknown

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