EP4291824A1 - Dispositif lumineux pour véhicule comprenant un écran avec une pluralité de guide de lumière - Google Patents
Dispositif lumineux pour véhicule comprenant un écran avec une pluralité de guide de lumièreInfo
- Publication number
- EP4291824A1 EP4291824A1 EP22704536.6A EP22704536A EP4291824A1 EP 4291824 A1 EP4291824 A1 EP 4291824A1 EP 22704536 A EP22704536 A EP 22704536A EP 4291824 A1 EP4291824 A1 EP 4291824A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- light guide
- screen
- support
- luminous device
- 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.)
- Withdrawn
Links
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
- B60Q1/0029—Spatial arrangement
- B60Q1/0035—Spatial arrangement relative to the vehicle
-
- 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
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-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
- F21S43/235—Light guides
- F21S43/247—Light guides with a single light source being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/251—Light guides the light guides being used to transmit light from remote light sources
-
- 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
- Light device for vehicle comprising a screen with a plurality of light guides
- the present invention relates to a light device for a vehicle configured to perform at least one light function. It finds a particular but non-limiting application in intelligent electric motor vehicles.
- An example known to those skilled in the art of a lighting device for a vehicle configured to perform at least one lighting function comprises:
- This luminous device makes it possible to have an individually controllable signature line.
- the electronic medium is arranged facing the screen and comprises a surface which extends along the entire surface of said screen.
- the surface of the electronic medium is completely covered with light sources.
- the light sources are selectively activated.
- a disadvantage of this state of the art is that such a light device comprises too many parts which generates weight, and comprises too many light sources which generates high consumption and high cost.
- the present invention aims to provide a light device which solves the drawback mentioned.
- the invention proposes a light device for a vehicle, said light device being configured to perform at least one light function and comprising a screen and at least one light source, characterized in that said screen comprises a face output, at least one guide of light, and a support for said at least one light guide, and in that said at least one light guide is configured to transmit light rays in the direction of said exit face, said light rays coming from emitted light rays by said at least one light source and coupled with said at least one light guide, said at least one light guide being injected with said support.
- the light device can be integrated into the body of said vehicle. Said at least one light guide injected with said support thus forms a single piece.
- the light device is lightened. Furthermore, thanks to the light guide, the number of light sources is reduced. It is no longer necessary to cover a large area corresponding to the entire surface of the screen with light sources.
- said light device may further comprise one or more additional characteristics taken alone or in any technically possible combination, among the following.
- said at least one light guide has a rectangular, semi-circular, trapezoidal, elliptical or parabolic section.
- said light device comprises a plurality of light sources and said screen comprises a plurality of light guides.
- two light sources are associated with each light guide.
- a light source is associated with a plurality of light guides, said light source being coupled to optical fibers configured to direct the light rays emitted by said light source towards said plurality light guides.
- said screen further comprises opaque covers arranged between said light guides.
- said exit face of said screen is covered with an opaque, transparent and/or semi-transparent paint on its external surface.
- said at least one light guide comprises prisms or graining, or volume diffusing particles.
- said at least one light guide is covered with a diffusing paint, or a metallic paint, or a metallic coating.
- said at least one light guide encapsulates optical fibers.
- said light device further comprises at least one reflector or at least one diffuser arranged facing said at least one light guide, or at least one reflector housing in which is arranged a light source. light.
- the support of said screen has a primary refractive index
- said at least one light guide has a secondary refractive index which is greater than said primary refractive index
- said at least one light function is a signaling function or a styling function.
- said light device further comprises an output glass arranged opposite said screen.
- said support of said screen and said at least one light guide are made of the same material or of a different material.
- a method for manufacturing a screen of a light device for a vehicle comprising an output face, at least one light guide and a support for said at least one light guide, characterized in that said method of manufacture comprises the production of the support with the output face and of said at least one light guide by injection.
- the support and said at least one light guide thus form a single piece.
- the injection is carried out in a single step, or in at least two steps including a step of injecting the support with the exit face, and a step of injecting said at least least one light guide on said support or vice versa.
- the screen comprises a plurality of light guides and opaque covers arranged between said light guides, and the injection is carried out in three steps including a step of injecting the support with the output face, a step of injecting said light guides onto the support, and a step of injecting opaque masks.
- said light device comprising said screen further comprises at least one light source, and said at least one light guide is configured to transmit light rays in the direction of said exit face, said light rays being derived from light rays emitted by said at least one light source and coupled with said at least light guide.
- FIG. 1 is a schematic view of a light device for a vehicle, said light device comprising a screen with a support with an output face, a plurality of light guides, and a plurality of light sources, according to an embodiment not limitation of the invention,
- FIG. 2 is a schematic rear view of the light device of Figure 1, according to a non-limiting embodiment
- FIG. 3 shows a schematic rear view, and a schematic sectional view of the light device of Figure 2, said light device further comprising electronic supports for said light sources, according to a non-limiting embodiment
- FIG. 4 is a sectional view of the light device of Figure 2, the screen of said light device further comprising opaque covers, according to a non-limiting embodiment,
- FIG. 5 is a view section of the luminous device of FIG. 2, with an exit face covered with an opaque, transparent and/or semi-transparent paint, according to a non-limiting embodiment
- FIG. 6 is a view section of the light device of Figure 2, with light guides according to a first non-limiting embodiment
- FIG. 7 is a sectional view of the light device of Figure 2, with light guides according to a second non-limiting embodiment
- FIG. 8 is a sectional view of the light device of Figure 2, with light guides according to a third non-limiting embodiment
- FIG. 9 is a sectional view of the luminous device of FIG. 2, with light guides also encapsulating optical fibers according to a fourth non-limiting embodiment
- FIG. 10 is a sectional view of the light device of Figure 2, said light device further comprising reflectors or diffusers, according to a non-limiting embodiment,
- FIG. 11 is a rear view of the light device of Figure 2, said light device further comprising reflector boxes, according to a non-limiting embodiment,
- FIG. 12 is a rear view of the light device of Figure 2, said light device further comprising optical fibers coupled to the light sources, according to a non-limiting embodiment
- FIG. 13 is a view of a front face of a vehicle in which the light device of Figures 1 and 2 can be integrated, according to a non-limiting embodiment
- FIG. 14 is a flowchart of a method of manufacturing a light device of Figures 1 and 2, according to a first non-limiting embodiment
- FIG. 15 is a flow chart of a method of manufacturing a light device of Figures 1 and 2, according to a second non-limiting embodiment.
- the vehicle 2 is a motor vehicle.
- Motor vehicle means any type of motorized vehicle. This embodiment is taken as a non-limiting example in the remainder of the description. In the remainder of the description, the vehicle 2 is thus otherwise called a motor vehicle 2.
- the vehicle 2 is a semi-autonomous or autonomous electric vehicle.
- the lighting device 1 is configured to perform at least one lighting function F.
- the lighting function F is regulatory or not.
- said at least one light function F is a signaling function or a styling function.
- the signaling function is a DRL "Daytime Running Light” daytime function in English, a PL “Parking Lamp” parking light function in English, a T "Tail” position light function in English, a flashing function Tl "Turn Indicator” in English, a side position light function SM “Side Marker” in English etc.
- the style function is a light signature, a welcome scenario, a decorative light function, a light display function on the sides, or even a pictogram display function.
- the light device 1 is configured to perform a plurality of light functions F.
- the light device 1 can be integrated at the front, at the rear or on the sides of the motor vehicle 2, in particular in the bodywork 20 of the motor vehicle 2.
- the light device 1 can be integrated into the bodywork 20 of the motor vehicle 2:
- the light device 1 for vehicle 2 comprises:
- a screen 10 comprising an output face 100, at least one light guide 101, and a support 102, and
- the light device 1 comprises a plurality of light sources 11 and said screen 10 comprises a plurality of light guides 101.
- This non-limiting embodiment is taken as a non-limiting example in the continuation of the description.
- the light device 1 is easily integrated into the body 20 of the motor vehicle 2, because the screen 10 can be painted with the paint of the body 20 and thus merge with said body 20.
- the paint is opaque, transparent and/or semi-transparent.
- the paint In front of the light guides 101, the paint is transparent or semi-transparent to allow their operation. On the rest of the body 20, the paint can be transparent or semi-transparent or opaque.
- said light device 1 further comprises an output lens 13 disposed opposite said screen 10, in particular opposite the output face 100, side opposite the guides of light 101.
- the exit glass 13 is painted with opaque, transparent and/or semi-transparent paint or is covered with a metallic coating.
- the exit lens 13 is painted with transparent or semi-transparent paint, or is covered with a semi-transparent metal coating, to allow their operation.
- the paint is the same color as the paint of the body 20, is a black paint, or is a metallic paint.
- the metal coating can be produced by electrolytic deposition, or by the PVD (Physical Vapor Deposition) process.
- two light sources 11 are associated with each light guide 101. In particular, they are arranged on either side of the ends 101a (illustrated in FIG. 2) of a light guide 101.
- the light device 1 further comprises electronic supports 12 (illustrated in Figure 3) for the light sources 11.
- An electronic support 12 supports at least one light source 11.
- the light sources 11 are each arranged on an electronic medium 12.
- the electronic medium 12 is inserted in a slide 16 so that the light source 11 faces one end 101a of the light guide 101.
- a light source 11 emits light. It is thus configured to emit light rays RO (illustrated in FIG. 2) which are coupled to the light guide 101 with which it is associated. The light rays R0 propagate through the light guide 101. This thus makes it possible to form light rays RI illustrated in FIG. 1, which are transmitted in the direction of the exit face 100 of the screen 10. The light rays RI pass through the exit face 100.
- the light sources 11 can be activated selectively. Thus, they can be switched on independently of each other. This makes it possible to reinforce the perception of the desired light function F.
- the light sources 11 are semiconductor light sources.
- a semiconductor light source is part of a light emitting diode.
- light-emitting diode is meant any type of light-emitting diode, whether in non-limiting examples LED (“Light Emitting Diode”), OLED (“Organic LED”), AMOLED (“Active-Matrix - Organic LED” in English), FOLED (“Flexible OLED” in English), RGB diodes, or multi-chip diodes.
- the support 102 includes the exit face 100 and serves as a support for the light guides 101.
- the output face 100 of said screen 10 is covered with an opaque paint 103, transparent and / or semi-transparent on its outer surface.
- an opaque paint 103 transparent and / or semi-transparent on its outer surface.
- a transparent or semi-transparent paint 103 to allow their operation. There is thus lighting through said paint 103.
- An effect called “Ghost effect” is obtained. This makes it possible to obtain a given light signature by scratching parts of the paint 103 by laser scratching in a non-limiting example.
- the paint 103 is the color of the bodywork 20 or is metallic, or black.
- the screen 10 further comprises opaque covers 107 arranged between said light guides 101. This limits the leakage of light and to increase the contrast between the areas of the outer surface 100 with or without light guides 101 behind. This provides an optical signature contrast.
- the light guides 101 are arranged on the opposite side of the output face 100.
- the support 102 is made of a material transparent to visible light.
- the material is PMMA (Polymethyl methacrylate) or PC (Polycarbonate).
- the support 102 comprises a thickness el of between 2.5mm and 3mm.
- the screen 10 comprises about twenty light guides 101, each light guide 101 being associated with two light sources 11. This is sufficient to perform said at least one light function F wanted.
- the light guides 101 originate from the support 102, the output face 100 being located opposite the light guides 101.
- the light guides 101 are configured to transmit the light emitted by the light sources 11 towards the exit face 100 of the screen 10 and therefore towards the outside of the motor vehicle 2.
- the light rays RI are mainly transmitted respectively in the direction of the vehicle axis Ax (illustrated in FIG. 1) or in the opposite direction to the vehicle axis Ax.
- the light rays RI are mainly transmitted in a direction perpendicular to the vehicle axis Ax (illustrated in FIG. 1).
- the light guides 101 make it possible to transmit the light, namely the light rays R0, emitted by the light sources 11.
- the light guides 101 are made of a material transparent to visible light. In one non-limiting embodiment, they are made of the same material as that of the support 102 of the screen 10. In another non-limiting embodiment, they are made of a different material. In non-limiting embodiments, the material is PMMA (Polymethyl methacrylate) or PC (Polycarbonate).
- the light guides 101 have a thickness e2 of between 3mm and 10mm. This thickness e2 is defined according to the optical needs required for the light device 1.
- the total thickness eO formed by the thickness el of the support 102 and by the thickness e2 of the light guides 101 is at most equal to approximately twice the thickness el of the support 102. This facilitates production of the screen 10 by injection and makes it possible to have a robust screen 10. It will be noted that during production by bi-injection, it is not necessarily necessary to comply with this rule.
- the light guides 101 are spaced apart by a minimum distance d1 of 60mm. This allows to be able inject each light guide 101 independently. If this distance d1 is less than 60 mm, tooling arrangements are to be provided in order to be able to inject the light guides 101 per group.
- the light guides 101 can take different forms.
- the light guides 101 have rectangular sections as illustrated in FIG. 4 for example, semi-circular as illustrated in FIG. 7, or trapezoidal as illustrated in FIG. Figure 8.
- the light guides 101 have elliptical or parabolic sections.
- the light guides 101 can be covered or comprise different elements as described below according to different non-limiting embodiments.
- the light guides 101 comprise prisms 104 or a graining 104.
- the graining makes it possible to give a milky appearance to the light when it is observed by an observer. from outside the motor vehicle 2.
- the prisms make it possible to improve the output of the light rays RI in a given direction.
- the light guides 101 comprise volume diffusing particles 105. This makes it possible to have an opalescent appearance and a depth effect.
- the light guides 101 are covered with diffusing paint 106a, or a metallic paint 106b or a metallic coating 106c.
- the diffusing paint 106a makes it possible to better homogenize the light distribution.
- the metallic paint 106b makes it possible to obtain a different appearance (grained metal).
- the metallic coating 106c can be produced by an electrolytic deposition, or by a PVD process.
- each light guide 101 encapsulates optical fibers 108. This allows freedom on the shape of the light signature and to have a greater curvature light guides 101.
- the light device 1 further comprises at least one reflector 14 or a diffuser 14 arranged opposite the light guides 101.
- the reflector 14 makes it possible to improve the efficiency of the lighting device 1.
- Diffuser 14 makes it possible to have good light homogeneity.
- the reflector is not limited to be any one reflector 14 or a diffuser 14 arranged opposite the light guides 101.
- the reflector 14 makes it possible to improve the efficiency of the lighting device 1.
- Diffuser 14 makes it possible to have good light homogeneity.
- the reflector 14 makes it possible to have good light homogeneity.
- the reflector 14 or the diffuser 14 is curved or flat.
- the reflector 14 is grained. This makes it possible to have a diffusion around a given direction.
- a reflector is represented in the same way as a diffuser and the same reference 14 has been assigned.
- the light device 1 further comprises a reflector housing 15 in which is arranged a light source 11. This improves the coupling of the light rays RO with the light guide 101, and this makes it possible to have a sealed light source 11 if the reflector box 15 is closed.
- a light source 11 is associated with a plurality of light guides 101, said light source 11 being coupled to optical fibers 17 configured to direct the light (the light rays R0) emitted by said light source 11 towards said plurality of light guides 101.
- optical fibers 17 configured to direct the light (the light rays R0) emitted by said light source 11 towards said plurality of light guides 101.
- the support 102 with the exit face 100 have a primary refractive index ni, and said light guides 101 have a secondary refractive index n2 which is greater than said primary refractive index ni.
- ni primary refractive index
- n2 secondary refractive index
- the light rays R0 emitted by the light sources 11 thus propagate deep into the material of the light guides 101.
- the manufacturing method 5 comprises the production of the support 102 with the exit face 100 and of said light guides 101 by injection.
- the injection is performed in a single step.
- a single injection is performed if the exit face 100, the support 102 and the light guides 101 are made of the same material or if the light guides 101 are not too thick.
- eO total thickness of 6mm
- the injection is carried out in two steps including a step of injection El of the support 102 with the exit face 100, and a step of injection E2 of said light guides 101 on said support 102 or vice versa.
- the guides of light 101 are molded onto the support 102 or the support 102 is molded onto the light guides 101.
- two injections are made if the support 102 and the light guides 101 are made of different materials or if the light guides are too thick.
- eO is greater than 6 mm
- two injections are used, or if there is too great a difference between el and e2.
- two injections can also be made if the same material is used.
- there is one injection point per group of light guides 101 to be injected in a non-limiting example, if there are twenty light guides 101, there will be five groups, each comprising four light guides 101 and consequently five injection points.
- the injection is carried out in three steps including a step of injection El of the support 102 with the face of outlet 100, a step E2 of injecting said light guides 101 onto the support 102, and a step of injecting the opaque masks 107.
- the opaque masks 107 can be produced by an IML process “In-Mould Labelling”.
- the support 102 with the exit face 100 and the light guides 101 form a single piece which is the screen 10. There is no gluing or mechanical assembly of the light guides. light 101 on support 102.
- said light device 1 further comprises at least one sealed casing in which said plurality of light sources 11 is integrated or one sealed casing for each light source 11.
- a single electronic support 12 is used to support all of the light sources 11.
- the light source 11 is arranged on the side of a light guide 101 when the light source 11 is a light source which emits in a direction parallel to the support of the light source 11, called in English “Side-Emitting LED”.
- a light source 11 is associated with a single light guide 101.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2101349A FR3119878B1 (fr) | 2021-02-12 | 2021-02-12 | Dispositif lumineux pour véhicule comprenant un écran avec une pluralité de guide de lumière |
| PCT/EP2022/053153 WO2022171690A1 (fr) | 2021-02-12 | 2022-02-09 | Dispositif lumineux pour véhicule comprenant un écran avec une pluralité de guide de lumière |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4291824A1 true EP4291824A1 (fr) | 2023-12-20 |
Family
ID=74860309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22704536.6A Withdrawn EP4291824A1 (fr) | 2021-02-12 | 2022-02-09 | Dispositif lumineux pour véhicule comprenant un écran avec une pluralité de guide de lumière |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240117951A1 (fr) |
| EP (1) | EP4291824A1 (fr) |
| JP (1) | JP2024508406A (fr) |
| CN (1) | CN116848352A (fr) |
| FR (1) | FR3119878B1 (fr) |
| WO (1) | WO2022171690A1 (fr) |
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| US5890796A (en) * | 1997-01-16 | 1999-04-06 | Ford Global Technologies, Inc. | Laser illuminated lighting system utilizing a diffractive optical element |
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| EP3061587B1 (fr) * | 2015-02-24 | 2017-12-13 | SMR Patents S.à.r.l. | Procédé de fabrication d'une lampe pour véhicules et rétroviseur extérieur d'un véhicule doté d'une lampe ainsi fabriquée |
| JP5995699B2 (ja) * | 2012-12-07 | 2016-09-21 | 株式会社小糸製作所 | 車両用灯具 |
| JP5789628B2 (ja) * | 2013-03-11 | 2015-10-07 | 株式会社豊田自動織機 | 灯具 |
| DE102014104756B4 (de) * | 2014-04-03 | 2025-10-23 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung für Fahrzeuge |
| JP6400351B2 (ja) * | 2014-06-27 | 2018-10-03 | 株式会社小糸製作所 | 車両用灯具 |
| DE102015104163A1 (de) * | 2015-03-19 | 2016-09-22 | SMR Patents S.à.r.l. | Leuchteinrichtung und Verfahren zur Herstellung einer Leuchteinrichtung |
| FR3043755B1 (fr) * | 2015-11-16 | 2017-12-01 | Peugeot Citroen Automobiles Sa | Dispositif d’eclairage a guide(s) de lumiere a structure(s) surmoulee(s) opaline(s) |
| US9927087B1 (en) * | 2016-12-07 | 2018-03-27 | Valeo North America, Inc. | Fiber optic light panel having a light enhancing element |
| CZ2017773A3 (cs) * | 2017-12-01 | 2019-06-12 | Varroc Lighting Systems, s.r.o. | Světelné zařízení, zejména signální svítilna, pro motorová vozidla |
| TWI653416B (zh) * | 2018-03-12 | 2019-03-11 | 聯嘉光電股份有限公司 | 車載雙功能發光模組及車載雙功能照明燈組 |
| DE102019100520A1 (de) * | 2019-01-10 | 2020-07-16 | Motherson Innovations Company Limited | Abdeckvorrichtung, Karosseriebauteil und Kraftfahrzeug |
| US20190353321A1 (en) * | 2018-05-15 | 2019-11-21 | GM Global Technology Operations LLC | Light guide with molded in graphic |
| JP7115126B2 (ja) * | 2018-08-06 | 2022-08-09 | マツダ株式会社 | 車両用照明装置 |
| CN109031512B (zh) * | 2018-09-04 | 2021-08-27 | 京东方科技集团股份有限公司 | 导光膜组件、前置光源和反射式显示装置 |
| US11002420B2 (en) * | 2018-12-21 | 2021-05-11 | Magna Exteriors Inc. | Vehicle headlamp having light guide |
-
2021
- 2021-02-12 FR FR2101349A patent/FR3119878B1/fr not_active Expired - Fee Related
-
2022
- 2022-02-09 US US18/546,200 patent/US20240117951A1/en not_active Abandoned
- 2022-02-09 EP EP22704536.6A patent/EP4291824A1/fr not_active Withdrawn
- 2022-02-09 WO PCT/EP2022/053153 patent/WO2022171690A1/fr not_active Ceased
- 2022-02-09 JP JP2023548760A patent/JP2024508406A/ja not_active Ceased
- 2022-02-09 CN CN202280014331.3A patent/CN116848352A/zh not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US20240117951A1 (en) | 2024-04-11 |
| FR3119878A1 (fr) | 2022-08-19 |
| JP2024508406A (ja) | 2024-02-27 |
| WO2022171690A1 (fr) | 2022-08-18 |
| FR3119878B1 (fr) | 2023-06-30 |
| CN116848352A (zh) | 2023-10-03 |
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