WO2016001508A1 - Laminated glass panel with diodes on a plate with a reflector - Google Patents

Laminated glass panel with diodes on a plate with a reflector Download PDF

Info

Publication number
WO2016001508A1
WO2016001508A1 PCT/FR2015/051638 FR2015051638W WO2016001508A1 WO 2016001508 A1 WO2016001508 A1 WO 2016001508A1 FR 2015051638 W FR2015051638 W FR 2015051638W WO 2016001508 A1 WO2016001508 A1 WO 2016001508A1
Authority
WO
WIPO (PCT)
Prior art keywords
glazing
diodes
plate
reflective
transparent
Prior art date
Application number
PCT/FR2015/051638
Other languages
French (fr)
Inventor
Frédéric Guidez
Gérard Jeuffe
Nicolas RILAT
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 EP15753384.5A priority Critical patent/EP3177462A1/en
Publication of WO2016001508A1 publication Critical patent/WO2016001508A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10293—Edge features, e.g. inserts or holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10541—Functional features of the laminated safety glass or glazing comprising a light source or a light guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/208—Sun roofs; Windows
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/76—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for spotlighting, e.g. reading lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/06—Fixed roofs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/08—PCBs, i.e. printed circuit boards

Definitions

  • the invention relates to the field of glazing with electrical lighting means. More particularly, the invention relates to the field of vehicles comprising a glazing, in particular a roof glazing. It is known to make motor vehicles comprising roof glazing with electrical lighting means to improve the comfort of the passenger, especially for reading.
  • the patent document FR 2 994 125 A1 discloses a laminated glass pane comprising outer sheets separated from at least one interlayer which is perforated, one or more apertures in the thickness of which are accommodated means of lighting and reflective devices.
  • the lighting means are light-emitting diodes whose light rays are projected towards the outside of the glazing to be subsequently reflected by the reflecting devices.
  • the incident rays of the diodes which form spreading light beams are reflected towards the interior of the glazing into illumination beams forming a narrower angle.
  • This teaching is attractive for vehicle application in that the narrower beams provide focused illumination, such lighting reducing the risk of dazzling the driver or other occupants of the vehicle and improving reading comfort.
  • Such an embodiment is however expensive especially because of the difficulty of building such a glazing.
  • Patent document WO 2013/189 794 discloses a laminated glazing solution comprising electric lighting means of the light emitting diode type. These diodes are pre-mounted on plates of glass or transparent polymer which are interposed between the lower and upper sheets of the glazing at a glazing insert. Means such as an enamelling diaphragm or a Fresnel lens are used to reduce the angle of the illumination beams.
  • This teaching is interesting in that the thickness of the glazing remains contained.
  • the angle reduction means of the light beams are, however, visible on the surface of the glazing and their production is expensive for a result of satisfactory quality.
  • the object of the invention is to propose a glazing solution comprising electrical lighting means which can alleviate at least one of the aforementioned drawbacks of the state of the art. More particularly, the invention aims to provide a motor vehicle glazing solution forming a focused lighting to improve reading comfort and is economical.
  • the subject of the invention is a laminated glazing, in particular of a motor vehicle roof, comprising: at least two superposed transparent sheets, preferably of glass; at least one transparent plate provided with electroluminescent diodes and interposed between the two sheets; characterized in that the plate or at least one of the plates comprises one or more reflecting surface (s) configured to reflect the light rays emitted by one or more of the diodes, so as to form one or more beams ( x) lighting.
  • the or each of the diodes is fixed on one of the main faces of the plate according to the type of "reverse" mounting, the beam or beams (x) of illumination being oriented (s) towards the inside of the plate preferentially through to a spherical counter mirror.
  • the or each of the reflecting surfaces is concave so that the illumination beams form an angle less than 120 °, preferably less than 90 °, more preferably less than 45 °.
  • the plate or at least one of the plates is overmolded on the reflective surface (s).
  • the plate is made of thermoplastic polymer or organic glass. According to an advantageous embodiment of the invention, the plate has a thickness of less than 1.5 mm, preferably less than 1 mm, even more preferably less than 0.5 mm.
  • the glazing forms an average plane and the average plane of the or each of the reflecting surfaces is inclined with respect to said average plane of the glazing to return light beams inclined to said plane.
  • the or at least one of the reflecting surfaces comprises a reflecting wall, said wall preferably being made of metallic material and / or covered with a reflective coating.
  • the or at least one of the reflective surfaces is formed by a reflective coating on a surface portion of the or at least one of the plates.
  • one or more of the light-emitting diodes is / are disposed on one of the main faces of the platinum (s) and the covered surface portion (s) of the Reflective coating is / are on the opposite side of the platinum (s).
  • the or at least one of the reflecting surfaces is a surface of revolution and / or parabolic profile.
  • the glazing comprises at least one transparent interlayer, preferably of polyvinyl butyral, with one or more a journey (s), the platinum (s) being (are) located in said one or more a journey ( s).
  • the or each of the reflecting surfaces is arranged facing one or each of the diodes.
  • each of the diodes is located at the focus of a reflecting surface of parabolic profile.
  • the platinum or plates has / have an area less than 10%, preferably 5%, even more preferably 2% of the total surface of the glazing.
  • the superimposed transparent sheets are made of mineral glass or organic glass, preferably of polycarbonate or of polymethylmethacrylate or polyamide.
  • the platinum (s) is / are interposed (s) between at least two interlayer sheets, said sheets being preferentially polyvinyl butyral, even more preferably ethylene / vinyl acetate, more preferably polyurethane, for adhesion to glass.
  • the laminated glazing comprises a concave portion and at least one plate is located on said concave portion.
  • the laminated glazing is of a thickness of less than 9 mm, preferably less than 7 mm, more preferably less than 5 mm.
  • the invention also relates to a motor vehicle comprising: a glazing, preferably on the roof of the vehicle; and means for supplying the glazing with electrical power, which is remarkable in that the glazing is in accordance with the invention, the diodes being situated on the face of the plate (s) facing towards the inside of the vehicle, and being powered by the glazing supply means, preferably via a transparent conductive layer.
  • the light rays emitted by the diodes are oriented towards the outside of the vehicle so that the reflected light beams are oriented towards the inside of the vehicle.
  • the glazing further comprises an electrically active particle film intended to control the light transmission of the glazing, said film being located towards the outside of the vehicle with respect to the platinum or platinum ( s) and powered by the supply means of the glazing.
  • FIG. 1 is a view of the interior of a vehicle comprising a glazing with electrical lighting means and according to the invention, the glazing being located on the roof;
  • FIG. 2 is a sectional view of the glazing unit of FIG. 1, according to a first embodiment of the invention
  • - Figure 3 is a sectional view of a plate of the glazing of Figures 1 and 2 according to a second embodiment of the invention
  • - Figure 4 is a sectional view of a plate of the glazing of Figures 1 and 2 according to a third embodiment of the invention
  • Figure 1 is a view of the interior of a vehicle 2 comprising a laminated glazing unit 4 according to the invention and located on the roof.
  • the laminated glazing 4 comprises light-emitting diodes 6 interposed between sheets of the glazing 4 so that it can provide a lighting function.
  • Power supply means (not shown) provide the electric current for their operation.
  • the diodes 6 are attached to at least one plate 8 according to the invention and shown in dashed lines.
  • the or each of the plates 8 has an area less than 10%, preferably 5%, even more preferably 2% of the total surface of the glazing 4.
  • FIG. 2 is a schematic section II - II of the laminated glazing 4, according to a first embodiment of the invention.
  • the laminated glazing 4 comprises at least two superimposed transparent sheets 10 and 12 and at least one transparent plate 8 provided with light-emitting diodes 6, the platinum or platens 8 being interposed between the two sheets 10 and 12.
  • the two superimposed transparent sheets 10 and 12 may be made of mineral glass or organic glass. They may be polycarbonate or polymethylmethacrylate or polyamide.
  • the light-emitting diodes 6 emit rays of light which propagate in a beam at a substantially wide angle, for example 120 °.
  • the assembly according to the invention is intended to reduce the angle of the illumination beam of the diodes 6.
  • the diodes 6 are located on the face 14 of the platinum (s) 8, facing which is facing the inside the vehicle, however, the light rays emitted are oriented outwards and then reflected so that the beam (s) of illumination is / are oriented towards the inside of the vehicle with a reduction of beam radius of illumination. More specifically, the lighting principle is as follows: the or at least one of the plates 8 comprises one or more reflecting surfaces 16 so as to return the light rays emitted towards the inside of the vehicle. More precisely, each of the diodes 6 is fixed on one or the platinum (s) 8 in a "reverse" configuration, the light rays being oriented towards the foot of the diodes 6.
  • the diodes can be of the type comprising a counter mirror 18 generally spherical which is located near the electroluminescent portion of the diodes 6 so as to return a light beam in the opposite direction to that which is emitted.
  • a transparent layer of conductive oxide is applied on the face 14 of the plate, on which face are attached the diodes 6.
  • the mode of attachment of the diodes 6 in the glazing 4 via one or the support (s) ) independent (s), in this case the platinum (s) 8, is interesting in that the manufacture of glazing is quality and economic, all components 6, 18 and 16 of each plate 8 being pre -montés.
  • FIG. 2 shows an embodiment according to which the transparent plate 8 or each of the transparent plates 8 is overmolded on the reflective surface (s) 16.
  • the plate 8 can be injected thermoplastic polymer or injected organic glass.
  • An enlarged view to the right of the main image makes it possible to see that the or each of the reflecting surfaces 16 comprises a reflecting wall 22 which may be of reflective metal material; in an alternative embodiment the reflecting wall is obtained by a reflective coating 24.
  • the glazing forms an average plane K and the average plane of the or each of the reflecting surfaces 16 can be inclined at an angle with respect to said average plane K of the glazing 4 to return inclined illumination beams to said plane.
  • This measurement is interesting in the case where the beam (s) of lighting must / must be offset (s).
  • This figure is also a view which makes it possible to understand the composition of the laminated glazing 4.
  • the or each of the plates 8 can be applied to one of the superimposed transparent sheets 10 and 12 of the glazing 4, the sheet 10 in this case, that to the outside of the vehicle, and this so as to illuminate the interior of the vehicle according to the principle of reflection seen above.
  • a transparent interlayer 26 comprising adhesion properties on the glass, for example polyvinyl butyral, may be positioned between the platinum (s) 8 and the sheet 10 of the glazing 4 (this alternate embodiment is not shown) .
  • the spacer 26 in question comprises one or more ajour (s) 28, the or each of the a journey (s) 28 may be the place of accommodation of a plate 8.
  • the spacer 26 and the plate 8 may have thicknesses of different values, they will favorably similar thicknesses which facilitates assembly.
  • the plate 8 may in this case have a thickness of a value less than 1.5 mm, preferably less than 1 mm, even more preferably less than 0.5 mm.
  • the or each plate 8 and the perforated interlayer 26 are interposed between two additional spacers 29 and 30 which are favorably in the same material as the interlayer perforated.
  • the spacers 26, 29 and 30 may be polyvinyl butyral, they may be ethylene / vinyl acetate or polyurethane, for a quality adhesion to glass.
  • spacers 29 and 30 having a conduction greater than that of thermoplastic sheet is even more favorable so as to evacuate the dissipated power of the diodes. Furthermore, during the manufacture of the glazing, the spacer 30 located in front of the diodes is adapted to be sufficiently softened so that the diodes can pierce it.
  • the spacers 29 and 30 surrounding the platinum (s) 8 are favorably of a thickness less than 0.5 mm.
  • FIG. 2 is in this case the view of a laminated glazing unit 4 in an embodiment according to which several other interlayer thicknesses, or technical layers, surround the plate (s) 8 for fixing the diodes 6, each of they have a particular function. Dotted below the sheet 10 and above the sheet 12 illustrate the presence of these additional layers or inserts.
  • the laminated glazing unit 4 may comprise an electrically active particle film. This film is intended to control the light transmission of the glazing, said film being located towards the outside of the vehicle relative to the platinum (s) 8 and fed by the supply means of the glazing.
  • the laminated glazing may comprise enamelled areas on the inner face of the superimposed sheets 10 and 12; it may also include an anti-yellowing interlayer, a colorimetric interlayer to give a general tint to the glazing 4.
  • the glazing 4 may also include other spacers that increase the sound barrier of the glazing.
  • the type and function of the spacers or technical layers mentioned above do not limit the invention.
  • the laminated glazing 4 may have a final thickness of less than 9 mm, preferably less than 7 mm, even more preferably less than 5 mm. He is represented plan, he can however, include one or more concave portion (s), one or more platinum (s) may be located on this or these concave portion (s) of the glazing 4.
  • Figure 3 is a sectional view III - III of a plate 8 of the laminated glazing according to a second embodiment of the invention.
  • the or each of the reflecting surfaces 16 may be arranged facing each of the diodes 6. Only a portion of the plate 8 on which a reflective surface 16 is disposed facing a diode 6 is seen. the embodiment shown, the reflective surface 16 in question is formed by a reflective coating 24 applied to a surface portion 40 of the plate 8.
  • the light-emitting diode 6 is disposed on one of the main faces 14 of the plate 8 and the portion surface 40 covered with the reflective coating 24 is on the opposite face 42 of the plate 8.
  • a ray of light 44 is represented by an arrow path, the latter to understand its path.
  • the ray is emitted by the diode towards the circular counter mirror 18 and then reflected towards the reflecting surface 16 to finally be projected back towards the inside of the vehicle.
  • the reflecting surface 16 which is shown a section is a surface of revolution.
  • the concave shape of this reflecting surface 16 can be observed so that the illumination beams form an angle of less than 120 °.
  • the concavity of the reflecting surface 16 is adapted so that the light beam (s) can / form an angle less than 90 ° preferably less than 45 °.
  • the transparent conductive layer 20 through which the light beam (s) can be seen can also be seen.
  • Figure 4 is a sectional view of a plate 8 of the laminated glazing in a third embodiment of the invention. It is possible to observe the reflecting wall 16 around which the plate 8 is molded similarly to the first embodiment seen in relation with FIG. 2.
  • the surface of the reflecting wall 16 is a surface of revolution in this case in the form of a paraboloid.
  • the surface has a particular geometry in that it has a focus F.
  • the plate 8 can be made so that each of the diodes is located at each focus F of each of the paraboloids, so that the lighting beams are unidirectional. This optical principle is known to those skilled in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a laminated glass (4), particularly for a motor vehicle roof. Said laminated glass includes: - at least two transparent sheets (10, 12), placed one on top the other and preferably made of glass; and - at least one transparent plate (8) provided with light-emitting diodes (6) and inserted between both sheets (10, 12). The plate (8) or at least one of said plates includes one or more reflective surfaces (16) configured to reflect the light rays emitted by one or more of the diodes (6) so as to form one or more lighting beams. The invention also relates to a vehicle including such a laminated glass panel.

Description

VITRAGE FEUILLETE AVEC DIODES SUR PLATINE AVEC REFLECTEUR  LAMINATED GLAZING WITH DIODES ON PLATINUM WITH REFLECTOR
L'invention a trait au domaine des vitrages avec des moyens d'éclairage électrique. Plus particulièrement l'invention a trait au domaine des véhicules comprenant un vitrage, notamment un vitrage de toit. II est connu de réaliser des véhicules automobiles comprenant des vitrages de toit avec des moyens d'éclairage électrique en vue d'améliorer le confort du passager, notamment pour la lecture. The invention relates to the field of glazing with electrical lighting means. More particularly, the invention relates to the field of vehicles comprising a glazing, in particular a roof glazing. It is known to make motor vehicles comprising roof glazing with electrical lighting means to improve the comfort of the passenger, especially for reading.
Le document de brevet FR 2 994 125 A1 divulgue un vitrage en verre feuilleté comprenant des feuilles extérieures séparées d'au moins un intercalaire qui est ajouré, un ou des ajour(s) dans l'épaisseur du ou desquels sont logés des moyens d'éclairage et des dispositifs réfléchissant. Les moyens d'éclairage sont des diodes électroluminescentes dont les rayons lumineux sont projetés vers l'extérieur du vitrage pour être ensuite réfléchis par les dispositifs réfléchissants. Les rayons incidents des diodes qui forment des faisceaux d'éclairage étalés sont réfléchis vers l'intérieur du vitrage en des faisceaux d'éclairage formant un angle plus étroit. Cet enseignement est intéressant pour une application dans un véhicule en ce que les faisceaux plus étroits permettent un éclairage focalisé, un tel éclairage réduisant le risque d'éblouir le conducteur ou les autres occupants du véhicule et améliorant le confort de lecture. Une telle réalisation est cependant onéreuse notamment à cause de la difficulté de construction d'un tel vitrage. The patent document FR 2 994 125 A1 discloses a laminated glass pane comprising outer sheets separated from at least one interlayer which is perforated, one or more apertures in the thickness of which are accommodated means of lighting and reflective devices. The lighting means are light-emitting diodes whose light rays are projected towards the outside of the glazing to be subsequently reflected by the reflecting devices. The incident rays of the diodes which form spreading light beams are reflected towards the interior of the glazing into illumination beams forming a narrower angle. This teaching is attractive for vehicle application in that the narrower beams provide focused illumination, such lighting reducing the risk of dazzling the driver or other occupants of the vehicle and improving reading comfort. Such an embodiment is however expensive especially because of the difficulty of building such a glazing.
Le document de brevet WO 2013/189 794 divulgue une solution de vitrage feuilleté comprenant des moyens d'éclairage électrique du type diode électroluminescente. Ces diodes sont pré-montées sur des plaquettes en verre ou en polymère transparent qui sont intercalées entre les feuilles inférieure et supérieure du vitrage au niveau d'un intercalaire de vitrage. Des moyens comme un diaphragme par émaillage ou une lentille de Fresnel sont utilisés pour réduire l'angle des faisceaux d'éclairage. Cet enseignement est intéressant en ce que l'épaisseur du vitrage reste contenue. Les moyens de réduction d'angle des faisceaux d'éclairage sont cependant visibles sur la surface du vitrage et leur réalisation est onéreuse pour un résultat de qualité satisfaisante. L'invention a pour objectif de proposer une solution de vitrage comprenant des moyens d'éclairage électrique qui puisse pallier au moins un inconvénient susmentionné de l'état de la technique. Plus particulièrement l'invention a pour objectif de proposer une solution de vitrage de véhicule automobile formant un éclairage focalisé pour améliorer le confort de lecture et qui soit économique. Patent document WO 2013/189 794 discloses a laminated glazing solution comprising electric lighting means of the light emitting diode type. These diodes are pre-mounted on plates of glass or transparent polymer which are interposed between the lower and upper sheets of the glazing at a glazing insert. Means such as an enamelling diaphragm or a Fresnel lens are used to reduce the angle of the illumination beams. This teaching is interesting in that the thickness of the glazing remains contained. The angle reduction means of the light beams are, however, visible on the surface of the glazing and their production is expensive for a result of satisfactory quality. The object of the invention is to propose a glazing solution comprising electrical lighting means which can alleviate at least one of the aforementioned drawbacks of the state of the art. More particularly, the invention aims to provide a motor vehicle glazing solution forming a focused lighting to improve reading comfort and is economical.
L'invention a pour objet un vitrage feuilleté, notamment de toit de véhicule automobile, comprenant : au moins deux feuilles transparentes superposées, préférentiellement en verre ; au moins une platine transparente pourvue de diodes électroluminescentes et intercalée entre les deux feuilles ; remarquable en ce que la platine ou au moins une des platines comprend une ou plusieurs surface(s) réfléchissante(s) configurée(s) pour réfléchir les rayons lumineux émis par une ou plusieurs des diodes, de manière à former un ou plusieurs faisceau(x) d'éclairage. The subject of the invention is a laminated glazing, in particular of a motor vehicle roof, comprising: at least two superposed transparent sheets, preferably of glass; at least one transparent plate provided with electroluminescent diodes and interposed between the two sheets; characterized in that the plate or at least one of the plates comprises one or more reflecting surface (s) configured to reflect the light rays emitted by one or more of the diodes, so as to form one or more beams ( x) lighting.
La ou chacune des diodes est fixée sur l'une des faces principales de la platine selon le type de montage « inverse », le ou les faisceau(x) d'éclairage étant orienté(s) vers l'intérieur de la platine préférentiellement grâce à un contre miroir sphérique. The or each of the diodes is fixed on one of the main faces of the plate according to the type of "reverse" mounting, the beam or beams (x) of illumination being oriented (s) towards the inside of the plate preferentially through to a spherical counter mirror.
Selon un mode avantageux de l'invention, la ou chacune des surfaces réfléchissantes est concave de façon à ce que les faisceaux d'éclairage forment un angle inférieur à 120°, préférentiellement inférieur à 90°, encore plus préférentiellement inférieur à 45°. According to an advantageous embodiment of the invention, the or each of the reflecting surfaces is concave so that the illumination beams form an angle less than 120 °, preferably less than 90 °, more preferably less than 45 °.
Selon un mode avantageux de l'invention, la platine ou au moins une des platines est surmoulée sur la ou les surface(s) réfléchissante(s). According to an advantageous embodiment of the invention, the plate or at least one of the plates is overmolded on the reflective surface (s).
Selon un mode avantageux, la platine est en polymère thermoplastique ou en verre organique. Selon un mode avantageux de l'invention, la platine a une épaisseur d'une valeur inférieure à 1.5mm, préférentiellement inférieure à 1mm, encore plus préférentiellement inférieure à 0.5mm. In an advantageous embodiment, the plate is made of thermoplastic polymer or organic glass. According to an advantageous embodiment of the invention, the plate has a thickness of less than 1.5 mm, preferably less than 1 mm, even more preferably less than 0.5 mm.
Selon un mode avantageux de l'invention, le vitrage forme un plan moyen et le plan moyen de la ou chacune des surfaces réfléchissantes est incliné par rapport audit plan moyen du vitrage pour renvoyer des faisceaux d'éclairage inclinés audit plan. Selon un mode avantageux de l'invention, la ou au moins une des surfaces réfléchissantes comprend une paroi réfléchissante, ladite paroi étant préférentiellement en matériau métallique et/ou recouverte d'un revêtement réfléchissant. Selon un mode avantageux de l'invention, la ou au moins une des surfaces réfléchissantes est formée par un revêtement réfléchissant sur une portion de surface de la ou d'au moins une des platines. According to an advantageous embodiment of the invention, the glazing forms an average plane and the average plane of the or each of the reflecting surfaces is inclined with respect to said average plane of the glazing to return light beams inclined to said plane. According to an advantageous embodiment of the invention, the or at least one of the reflecting surfaces comprises a reflecting wall, said wall preferably being made of metallic material and / or covered with a reflective coating. According to an advantageous embodiment of the invention, the or at least one of the reflective surfaces is formed by a reflective coating on a surface portion of the or at least one of the plates.
Selon un mode avantageux de l'invention, une ou plusieurs des diodes électroluminescentes est/sont disposée(s) sur une des faces principales de la ou des platine(s) et la ou les portion(s) de surface recouverte(s) du revêtement réfléchissant est/sont sur la face opposée de la ou des platine(s). According to an advantageous embodiment of the invention, one or more of the light-emitting diodes is / are disposed on one of the main faces of the platinum (s) and the covered surface portion (s) of the Reflective coating is / are on the opposite side of the platinum (s).
Selon un mode avantageux de l'invention, la ou au moins une des surfaces réfléchissantes est une surface de révolution et/ou de profil parabolique. According to an advantageous embodiment of the invention, the or at least one of the reflecting surfaces is a surface of revolution and / or parabolic profile.
Selon un mode avantageux de l'invention, le vitrage comprend au moins un intercalaire transparent, préférentiellement en polyvinyle butyral, avec un ou plusieurs ajour(s), la ou les platine(s) étant située(s) dans ledit ou lesdits ajour(s). According to an advantageous embodiment of the invention, the glazing comprises at least one transparent interlayer, preferably of polyvinyl butyral, with one or more ajour (s), the platinum (s) being (are) located in said one or more ajour ( s).
Selon un mode avantageux de l'invention, la ou chacune des surfaces réfléchissantes est disposée en regard d'une ou de chacune des diodes. According to an advantageous embodiment of the invention, the or each of the reflecting surfaces is arranged facing one or each of the diodes.
Selon un mode avantageux de l'invention, chacune des diodes est située au foyer d'une surface réfléchissante de profil parabolique. According to an advantageous embodiment of the invention, each of the diodes is located at the focus of a reflecting surface of parabolic profile.
Selon un mode avantageux de l'invention, la ou les platines a/ont une surface inférieure à 10%, préférentiellement 5%, encore plus préférentiellement 2% de la surface totale du vitrage. According to an advantageous embodiment of the invention, the platinum or plates has / have an area less than 10%, preferably 5%, even more preferably 2% of the total surface of the glazing.
Selon un mode avantageux de l'invention, les feuilles transparentes superposées sont en verre minéral ou en verre organique, préférentiellement en polycarbonate ou en polyméthacrylate de méthyle ou en polyamide. According to an advantageous embodiment of the invention, the superimposed transparent sheets are made of mineral glass or organic glass, preferably of polycarbonate or of polymethylmethacrylate or polyamide.
Selon un mode avantageux de l'invention, la ou les platine(s) est/sont intercalée(s) entre au moins deux feuilles intercalaires, lesdites feuilles étant préférentiellement en polyvinyle butyral, encore plus préférentiellement en éthylène/acétate de vinyle, encore plus préférentiellement en polyuréthane, pour une adhésion au verre. According to an advantageous embodiment of the invention, the platinum (s) is / are interposed (s) between at least two interlayer sheets, said sheets being preferentially polyvinyl butyral, even more preferably ethylene / vinyl acetate, more preferably polyurethane, for adhesion to glass.
Selon un mode avantageux de l'invention, le vitrage feuilleté comprend une portion concave et au moins une platine est située sur ladite portion concave. Selon un mode avantageux de l'invention, le vitrage feuilleté est d'une épaisseur de moins de 9mm, préférentiellement de moins de 7mm, encore plus préférentiellement de moins de 5mm. According to an advantageous embodiment of the invention, the laminated glazing comprises a concave portion and at least one plate is located on said concave portion. According to an advantageous embodiment of the invention, the laminated glazing is of a thickness of less than 9 mm, preferably less than 7 mm, more preferably less than 5 mm.
L'invention a également pour objet un véhicule automobile comprenant : un vitrage, préférentiellement sur le toit du véhicule ; et des moyens d'alimentation électrique du vitrage, remarquable en ce que le vitrage est conforme à l'invention, les diodes étant situées sur la face de la ou des platine(s) orientée vers l'intérieur du véhicule, et étant alimentées par les moyens d'alimentation du vitrage, préférentiellement via une couche conductrice transparente. The invention also relates to a motor vehicle comprising: a glazing, preferably on the roof of the vehicle; and means for supplying the glazing with electrical power, which is remarkable in that the glazing is in accordance with the invention, the diodes being situated on the face of the plate (s) facing towards the inside of the vehicle, and being powered by the glazing supply means, preferably via a transparent conductive layer.
Les rayons lumineux émis par les diodes sont orientés vers l'extérieur du véhicule de façon à ce que les faisceaux d'éclairage réfléchis soient orientés vers l'intérieur du véhicule. The light rays emitted by the diodes are oriented towards the outside of the vehicle so that the reflected light beams are oriented towards the inside of the vehicle.
Selon un mode avantageux de l'invention, le vitrage comprend, en outre, un film de particules actives électriquement et destiné à contrôler la transmission lumineuse du vitrage, ledit film étant situé vers l'extérieur du véhicule par rapport à la ou aux platine(s) et alimenté par les moyens d'alimentation du vitrage. According to an advantageous embodiment of the invention, the glazing further comprises an electrically active particle film intended to control the light transmission of the glazing, said film being located towards the outside of the vehicle with respect to the platinum or platinum ( s) and powered by the supply means of the glazing.
D'autres caractéristiques et avantages de la présente invention seront mieux compris à l'aide de la description et des dessins parmi lesquels : Other features and advantages of the present invention will be better understood from the description and the drawings, among which:
- La figure 1 est une vue de l'intérieur d'un véhicule comprenant un vitrage avec des moyens d'éclairage électrique et conforme à l'invention, le vitrage étant situé sur le toit ; - Figure 1 is a view of the interior of a vehicle comprising a glazing with electrical lighting means and according to the invention, the glazing being located on the roof;
- La figure 2 est une vue en coupe du vitrage de la figure 1 , selon un premier mode de réalisation de l'invention ; FIG. 2 is a sectional view of the glazing unit of FIG. 1, according to a first embodiment of the invention;
- La figure 3 est une vue en coupe d'une platine du vitrage des figures 1 et 2 selon un deuxième mode de réalisation de l'invention ; - La figure 4 est une vue en coupe d'une platine du vitrage des figures 1 et 2 selon un troisième mode de réalisation de l'invention ; - Figure 3 is a sectional view of a plate of the glazing of Figures 1 and 2 according to a second embodiment of the invention; - Figure 4 is a sectional view of a plate of the glazing of Figures 1 and 2 according to a third embodiment of the invention;
La figure 1 est une vue de l'intérieur d'un véhicule 2 comprenant un vitrage feuilleté 4 conforme à l'invention et situé sur le toit. Le vitrage feuilleté 4 comprend des diodes électroluminescentes 6 intercalées entre des feuilles du vitrage 4 de façon à ce qu'il puisse assurer une fonction d'éclairage. Des moyens d'alimentation électrique (non représentés) fournissent le courant électrique pour leur fonctionnement. Les diodes 6 sont fixées à au moins une platine 8 conforme à l'invention et représentée en pointillé. La ou chacune des platines 8 a une surface inférieure à 10%, préférentiellement 5%, encore plus préférentiellement 2% de la surface totale du vitrage 4. Figure 1 is a view of the interior of a vehicle 2 comprising a laminated glazing unit 4 according to the invention and located on the roof. The laminated glazing 4 comprises light-emitting diodes 6 interposed between sheets of the glazing 4 so that it can provide a lighting function. Power supply means (not shown) provide the electric current for their operation. The diodes 6 are attached to at least one plate 8 according to the invention and shown in dashed lines. The or each of the plates 8 has an area less than 10%, preferably 5%, even more preferably 2% of the total surface of the glazing 4.
La figure 2 est une vue schématique en coupe II - Il du vitrage feuilleté 4, selon un premier mode de réalisation de l'invention. Essentiellement, le vitrage feuilleté 4 comprend au moins deux feuilles transparentes superposées 10 et 12 et au moins une platine transparente 8 pourvue de diodes électroluminescentes 6, la ou les platine(s) 8 étant intercalée(s) entre les deux feuilles 10 et 12. Les deux feuilles transparentes superposées 10 et 12 peuvent être en verre minéral ou en verre organique. Elles peuvent être en polycarbonate ou en polyméthacrylate de méthyle ou en polyamide. Les diodes électroluminescentes 6 émettent des rayons de lumière qui se propagent en faisceau selon un angle sensiblement large, par exemple de 120°. Le montage selon l'invention est destiné à réduire l'angle du faisceau d'éclairage des diodes 6. Pour ce faire les diodes 6 sont situées sur la face 14 de la ou des platine(s) 8, face qui est orientée vers l'intérieur du véhicule, cependant les rayons lumineux émis sont orientés vers l'extérieur puis réfléchis de façon à ce que le ou les faisceau(x) d'éclairage soit/soient orienté(s) vers l'intérieur du véhicule avec une réduction du rayon du faisceau d'éclairage. Plus précisément, le principe d'éclairage est le suivant : la ou au moins une des platines 8 comprend une ou plusieurs surfaces réfléchissantes 16 de manière à renvoyer les rayons lumineux émis vers l'intérieur du véhicule. Plus précisément encore, chacune des diodes 6 est fixée sur la ou une des platine(s) 8 selon un montage « inverse », les rayons lumineux étant orientés vers le pied des diodes 6. Les diodes peuvent être du type comprenant un contre miroir 18 généralement sphérique qui est situé à proximité de la partie électroluminescente des diodes 6 de manière à retourner un rayon lumineux dans le sens inverse de celui qui est émis. L'homme de l'art saura reconnaître d'autres réalisations de diodes électroluminescentes à montage inverse. Pour l'alimentation électrique, une couche transparente d'oxyde conducteur est appliquée sur la face 14 de la platine, face sur laquelle sont fixées les diodes 6. Le mode de fixation des diodes 6 dans le vitrage 4 via un ou des support(s) indépendant(s), en l'occurrence la ou les platine(s) 8, est intéressant en ce que la fabrication du vitrage est de qualité et économique, l'ensemble des composants 6, 18 et 16 de chaque platine 8 étant pré-montés. Figure 2 is a schematic section II - II of the laminated glazing 4, according to a first embodiment of the invention. Essentially, the laminated glazing 4 comprises at least two superimposed transparent sheets 10 and 12 and at least one transparent plate 8 provided with light-emitting diodes 6, the platinum or platens 8 being interposed between the two sheets 10 and 12. The two superimposed transparent sheets 10 and 12 may be made of mineral glass or organic glass. They may be polycarbonate or polymethylmethacrylate or polyamide. The light-emitting diodes 6 emit rays of light which propagate in a beam at a substantially wide angle, for example 120 °. The assembly according to the invention is intended to reduce the angle of the illumination beam of the diodes 6. To do this the diodes 6 are located on the face 14 of the platinum (s) 8, facing which is facing the inside the vehicle, however, the light rays emitted are oriented outwards and then reflected so that the beam (s) of illumination is / are oriented towards the inside of the vehicle with a reduction of beam radius of illumination. More specifically, the lighting principle is as follows: the or at least one of the plates 8 comprises one or more reflecting surfaces 16 so as to return the light rays emitted towards the inside of the vehicle. More precisely, each of the diodes 6 is fixed on one or the platinum (s) 8 in a "reverse" configuration, the light rays being oriented towards the foot of the diodes 6. The diodes can be of the type comprising a counter mirror 18 generally spherical which is located near the electroluminescent portion of the diodes 6 so as to return a light beam in the opposite direction to that which is emitted. Those skilled in the art will recognize other embodiments of light-emitting diodes reverse mounting. For the power supply, a transparent layer of conductive oxide is applied on the face 14 of the plate, on which face are attached the diodes 6. The mode of attachment of the diodes 6 in the glazing 4 via one or the support (s) ) independent (s), in this case the platinum (s) 8, is interesting in that the manufacture of glazing is quality and economic, all components 6, 18 and 16 of each plate 8 being pre -montés.
La figure 2 présente un mode de réalisation selon lequel la platine transparente 8 ou chacune des platines transparentes 8 est surmoulée sur la ou les surfaces réfléchissantes 16. Cette mesure est intéressante pour notamment réduire l'épaisseur finale du vitrage 4. La platine 8 peut être en polymère thermoplastique injecté ou en verre organique injecté. Une vue agrandie à droite de l'image principale permet de voir que la ou chacune des surfaces réfléchissantes 16 comprend une paroi réfléchissante 22 qui peut être en matériau métallique réfléchissant ; dans une réalisation alternative la paroi réfléchissante est obtenue par un revêtement réfléchissant 24. Le vitrage forme un plan moyen K et le plan moyen de la ou de chacune des surfaces réfléchissantes 16 peut être incliné d'un angle par rapport audit plan moyen K du vitrage 4 pour renvoyer des faisceaux d'éclairage inclinés audit plan. Cette mesure est intéressante dans le cas où le ou les faisceau(x) d'éclairage doit/doivent être déporté(s). FIG. 2 shows an embodiment according to which the transparent plate 8 or each of the transparent plates 8 is overmolded on the reflective surface (s) 16. This measurement is of interest in particular to reduce the final thickness of the glazing 4. The plate 8 can be injected thermoplastic polymer or injected organic glass. An enlarged view to the right of the main image makes it possible to see that the or each of the reflecting surfaces 16 comprises a reflecting wall 22 which may be of reflective metal material; in an alternative embodiment the reflecting wall is obtained by a reflective coating 24. The glazing forms an average plane K and the average plane of the or each of the reflecting surfaces 16 can be inclined at an angle with respect to said average plane K of the glazing 4 to return inclined illumination beams to said plane. This measurement is interesting in the case where the beam (s) of lighting must / must be offset (s).
Cette figure est également une vue qui permet de comprendre la composition du vitrage feuilleté 4. La ou chacune des platines 8 peut être appliquée sur une des feuilles transparentes superposées 10 et 12 du vitrage 4, la feuille 10 en l'occurrence, celle vers l'extérieur du véhicule, et ce de manière à éclairer l'intérieur du véhicule selon le principe de réflexion vu plus haut. Un intercalaire transparent 26 comprenant des propriétés d'adhésion sur le verre, par exemple en polyvinyle butyral, peut être positionné entre la ou les platine(s) 8 et la feuille 10 du vitrage 4 (cette alternative de réalisation n'est pas représentée). Dans une alternative préférée de réalisation, l'intercalaire 26 en question comprend un ou plusieurs ajour(s) 28, le ou chacun des ajour(s) 28 pouvant être le lieu de logement d'une platine 8. On peut voir cette alternative préférée de réalisation illustrée en perspective à gauche de l'image principale ; l'intercalaire 26 et la platine 8 peuvent avoir des épaisseurs de valeurs différentes, ils auront favorablement des épaisseurs similaires ce qui facilite l'assemblage. La platine 8 peut en l'occurrence avoir une épaisseur d'une valeur inférieure à 1.5mm, préférentiellement inférieure à 1mm, encore plus préférentiellement inférieure à 0.5mm. On peut voir sur l'image principale que la ou chaque platine 8 et l'intercalaire ajouré 26 sont intercalés entre deux intercalaires supplémentaires 29 et 30 qui sont favorablement dans le même matériau que l'intercalaire ajouré. Les intercalaires 26, 29 et 30 peuvent être en polyvinyle butyral, ils peuvent être en éthylène/acétate de vinyle ou encore en polyuréthane, pour une adhésion de qualité au verre. La réalisation d'intercalaires 29 et 30 ayant une conduction plus importante que celle de feuille thermoplastique est encore plus favorable de manière à évacuer la puissance dissipée des diodes. Par ailleurs, lors de la fabrication du vitrage, l'intercalaire 30 situé en face des diodes est apte à être suffisamment ramolli de façon à ce que les diodes puissent le transpercer. Les intercalaires 29 et 30 entourant la ou les platine(s) 8 sont favorablement d'une épaisseur inférieure à 0.5mm. This figure is also a view which makes it possible to understand the composition of the laminated glazing 4. The or each of the plates 8 can be applied to one of the superimposed transparent sheets 10 and 12 of the glazing 4, the sheet 10 in this case, that to the outside of the vehicle, and this so as to illuminate the interior of the vehicle according to the principle of reflection seen above. A transparent interlayer 26 comprising adhesion properties on the glass, for example polyvinyl butyral, may be positioned between the platinum (s) 8 and the sheet 10 of the glazing 4 (this alternate embodiment is not shown) . In a preferred alternative embodiment, the spacer 26 in question comprises one or more ajour (s) 28, the or each of the ajour (s) 28 may be the place of accommodation of a plate 8. We can see this alternative preferred illustrated embodiment in perspective to the left of the main image; the spacer 26 and the plate 8 may have thicknesses of different values, they will favorably similar thicknesses which facilitates assembly. The plate 8 may in this case have a thickness of a value less than 1.5 mm, preferably less than 1 mm, even more preferably less than 0.5 mm. It can be seen in the main image that the or each plate 8 and the perforated interlayer 26 are interposed between two additional spacers 29 and 30 which are favorably in the same material as the interlayer perforated. The spacers 26, 29 and 30 may be polyvinyl butyral, they may be ethylene / vinyl acetate or polyurethane, for a quality adhesion to glass. The production of spacers 29 and 30 having a conduction greater than that of thermoplastic sheet is even more favorable so as to evacuate the dissipated power of the diodes. Furthermore, during the manufacture of the glazing, the spacer 30 located in front of the diodes is adapted to be sufficiently softened so that the diodes can pierce it. The spacers 29 and 30 surrounding the platinum (s) 8 are favorably of a thickness less than 0.5 mm.
La figure 2 est en l'occurrence la vue d'un vitrage feuilleté 4 dans un mode de réalisation selon lequel plusieurs autres épaisseurs intercalaires, ou couches techniques, entourent la ou les platine(s) 8 de fixation des diodes 6, chacune d'elles ayant une fonction particulière. Des pointillés en dessous de la feuille 10 et au- dessus de la feuille 12 illustrent la présence de ces couches ou intercalaires supplémentaires. Par exemple le vitrage feuilleté 4 peut comprendre un film de particules actives électriquement. Ce film est destiné à contrôler la transmission lumineuse du vitrage, ledit film étant situé vers l'extérieur du véhicule par rapport à la ou aux platine(s) 8 et alimenté par les moyens d'alimentation du vitrage. Le vitrage feuilleté peut comprendre des zones émaillées sur la face intérieure des feuilles superposées 10 et 12 ; il peut aussi comprendre un intercalaire anti jaunissement, un intercalaire colorimétrique pour donner une teinte générale au vitrage 4. Le vitrage 4 peut également comprendre d'autres intercalaires qui augmentent la barrière sonore du vitrage. Le type et la fonction des intercalaires ou couches techniques ci-dessus mentionnés ne limitent pas l'invention. Le vitrage feuilleté 4 peut être d'une épaisseur finale de moins de 9mm, préférentiellement de moins de 7mm, encore plus préférentiellement de moins de 5mm. Il est représenté plan, il peut cependant comprendre une ou plusieurs portion(s) concave(s), une ou plusieurs platine(s) pouvant être située(s) sur cette ou ces portion(s) concave(s) du vitrage 4. FIG. 2 is in this case the view of a laminated glazing unit 4 in an embodiment according to which several other interlayer thicknesses, or technical layers, surround the plate (s) 8 for fixing the diodes 6, each of they have a particular function. Dotted below the sheet 10 and above the sheet 12 illustrate the presence of these additional layers or inserts. For example, the laminated glazing unit 4 may comprise an electrically active particle film. This film is intended to control the light transmission of the glazing, said film being located towards the outside of the vehicle relative to the platinum (s) 8 and fed by the supply means of the glazing. The laminated glazing may comprise enamelled areas on the inner face of the superimposed sheets 10 and 12; it may also include an anti-yellowing interlayer, a colorimetric interlayer to give a general tint to the glazing 4. The glazing 4 may also include other spacers that increase the sound barrier of the glazing. The type and function of the spacers or technical layers mentioned above do not limit the invention. The laminated glazing 4 may have a final thickness of less than 9 mm, preferably less than 7 mm, even more preferably less than 5 mm. He is represented plan, he can however, include one or more concave portion (s), one or more platinum (s) may be located on this or these concave portion (s) of the glazing 4.
La figure 3 est une vue en coupe III - III d'une platine 8 du vitrage feuilleté selon un deuxième mode de réalisation de l'invention. La ou chacune des surfaces réfléchissantes 16 peut être disposée en regard de chacune des diodes 6. On ne voit en l'occurrence qu'une portion de la platine 8 sur laquelle une surface réfléchissante 16 est disposée en regard d'une diode 6. Dans le mode de réalisation présenté, la surface réfléchissante 16 en question est formée par un revêtement réfléchissant 24 appliqué sur une portion de surface 40 de la platine 8. La diode électroluminescente 6 est disposée sur une des faces principales 14 de la platine 8 et la portion de surface 40 recouverte du revêtement réfléchissant 24 est sur la face opposée 42 de la platine 8. Un rayon de lumière 44 est représenté par un chemin fléché, celui-ci permettant de comprendre son trajet. Le rayon est émis par la diode vers le contre miroir circulaire 18 puis réfléchis vers la surface réfléchissante 16 pour enfin être projeté en retour vers l'intérieur du véhicule. La surface réfléchissante 16 dont on voit une coupe est une surface de révolution. On peut observer la forme concave de cette surface réfléchissante 16 de façon à ce que les faisceaux d'éclairage forment un angle inférieur à 120°. Favorablement, la concavité de la surface réfléchissante 16 est adaptée de façon à ce que le ou les faisceaux d'éclairage puisse/ent former un angle inférieur à 90° préférentiellement inférieur à 45°. On peut également voir la couche conductrice transparente 20 à travers laquelle passe/ent le ou les faisceaux d'éclairage. Figure 3 is a sectional view III - III of a plate 8 of the laminated glazing according to a second embodiment of the invention. The or each of the reflecting surfaces 16 may be arranged facing each of the diodes 6. Only a portion of the plate 8 on which a reflective surface 16 is disposed facing a diode 6 is seen. the embodiment shown, the reflective surface 16 in question is formed by a reflective coating 24 applied to a surface portion 40 of the plate 8. The light-emitting diode 6 is disposed on one of the main faces 14 of the plate 8 and the portion surface 40 covered with the reflective coating 24 is on the opposite face 42 of the plate 8. A ray of light 44 is represented by an arrow path, the latter to understand its path. The ray is emitted by the diode towards the circular counter mirror 18 and then reflected towards the reflecting surface 16 to finally be projected back towards the inside of the vehicle. The reflecting surface 16 which is shown a section is a surface of revolution. The concave shape of this reflecting surface 16 can be observed so that the illumination beams form an angle of less than 120 °. Favorably, the concavity of the reflecting surface 16 is adapted so that the light beam (s) can / form an angle less than 90 ° preferably less than 45 °. The transparent conductive layer 20 through which the light beam (s) can be seen can also be seen.
La figure 4 est une vue en coupe d'une platine 8 du vitrage feuilleté dans un troisième mode de réalisation de l'invention. On peut observer la paroi réfléchissante 16 autour de laquelle est surmoulée la platine 8 similairement au premier mode de réalisation vu en relation avec la figure 2. La surface de la paroi réfléchissante 16 est une surface de révolution en l'occurrence en forme de paraboloïde Cette surface a une géométrie particulière en ce qu'elle présente un foyer F. La platine 8 peut être réalisée de façon à ce que chacune des diodes soit localisée au niveau de chaque foyer F de chacune des paraboloïdes, pour que les faisceaux d'éclairage soient unidirectionnels. Ce principe optique est connu de l'homme de l'art. Figure 4 is a sectional view of a plate 8 of the laminated glazing in a third embodiment of the invention. It is possible to observe the reflecting wall 16 around which the plate 8 is molded similarly to the first embodiment seen in relation with FIG. 2. The surface of the reflecting wall 16 is a surface of revolution in this case in the form of a paraboloid. The surface has a particular geometry in that it has a focus F. The plate 8 can be made so that each of the diodes is located at each focus F of each of the paraboloids, so that the lighting beams are unidirectional. This optical principle is known to those skilled in the art.

Claims

REVENDICATIONS
Vitrage feuilleté (4), notamment de toit de véhicule automobile (2), comprenant : Laminated glazing (4), in particular of motor vehicle roof (2), comprising:
- au moins deux feuilles transparentes superposées (10 ; 12), préférentiellement en verre ;  at least two superposed transparent sheets (10; 12), preferably made of glass;
- au moins une platine transparente (8) pourvue de diodes électroluminescentes (6) et intercalée entre les deux feuilles (10 ; 12) ; caractérisé en ce que la platine (8) ou au moins une des platines (8) comprend une ou plusieurs surface(s) réfléchi issante(s) (16) configurée(s) pour réfléchir les rayons lumineux émis par une ou plusieurs des diodes (6), de manière à former un ou plusieurs faisceau(x) d'éclairage.  - At least one transparent plate (8) provided with light-emitting diodes (6) and interposed between the two sheets (10; 12); characterized in that the plate (8) or at least one of the plates (8) comprises one or more reflective surface (s) (16) configured to reflect the light rays emitted by one or more of the diodes (6), so as to form one or more beam (s) of illumination.
Vitrage (4) selon la revendication 1 , caractérisé en ce que la platine (8) ou au moins une des platines est surmoulée sur la ou les surface(s) réfléchissante(s) (16). Glazing (4) according to claim 1, characterized in that the plate (8) or at least one of the plates is overmolded on the reflective surface (s) (s) (16).
Vitrage (4) selon la revendication 2, caractérisé en ce que la ou au moins une des surfaces réfléchissantes (16) comprend une paroi réfléchissante (22), ladite paroi étant préférentiellement en matériau métallique et/ou recouverte d'un revêtement réfléchissant (24). Glazing (4) according to claim 2, characterized in that the or at least one of the reflective surfaces (16) comprises a reflecting wall (22), said wall preferably being made of metallic material and / or covered with a reflective coating (24). ).
4. Vitrage (4) selon l'une des revendications 1 à 3, caractérisé en ce que la ou au moins une des surfaces réfléchissantes (16) est formée par un revêtement réfléchissant (24) sur une portion de surface (40) de la ou d'au moins une des platines (8). 4. Glazing (4) according to one of claims 1 to 3, characterized in that the or at least one of the reflective surfaces (16) is formed by a reflective coating (24) on a surface portion (40) of the or at least one of the plates (8).
5. Vitrage (4) selon la revendication 4, caractérisé en ce qu'une ou plusieurs des diodes électroluminescentes (6) est/sont disposée(s) sur une des faces principales (14) de la ou des platine(s) (8) et la ou les portion(s) de surface (40) recouverte(s) du revêtement réfléchissant (24) est/sont sur la face opposée (42) de la ou des platine(s) (8). 5. Glazing (4) according to claim 4, characterized in that one or more of the light-emitting diodes (6) is / are disposed (s) on one of the main faces (14) of the platinum (s) (8). and the surface portion (s) (40) covered by the reflective coating (24) is / are on the opposite face (42) of the platen (s) (8).
Vitrage (4) selon l'une des revendications 1 à 5, caractérisé en ce que la ou au moins une des surfaces réfléchissantes (16) est une surface de révolution et/ou de profil parabolique. Glazing (4) according to one of claims 1 to 5, characterized in that the or at least one of the reflective surfaces (16) is a surface of revolution and / or parabolic profile.
7. Vitrage (4) selon l'une des revendications 1 à 6, caractérisé en ce qu'il comprend au moins un intercalaire transparent (26), préférentiellement en polyvinyle butyral avec un ou plusieurs ajour(s) (28), la ou les platine(s) (8) étant située(s) dans ledit ou lesdits ajour(s) (28). 7. Glazing (4) according to one of claims 1 to 6, characterized in that it comprises at least one transparent interlayer (26), preferably polyvinyl butyral with one or more ajour (s) (28), the or the platinum (s) (8) being located in said aperture (s) (28).
8. Vitrage (4) selon l'une des revendications 1 à 7, caractérisé en ce que la ou chacune des surfaces réfléchissantes (16) est disposée en regard d'une ou de chacune des diodes (6). 8. Glazing (4) according to one of claims 1 to 7, characterized in that the or each of the reflective surfaces (16) is disposed opposite one or each of the diodes (6).
9. Vitrage (4) selon l'une des revendications 1 à 8, caractérisé en ce que la ou les platines (8) a/ont une surface inférieure à 10%, préférentiellement 5%, encore plus préférentiellement 2% de la surface totale du vitrage (4). 9. Glazing (4) according to one of claims 1 to 8, characterized in that the plate (s) (8) has / have an area less than 10%, preferably 5%, even more preferably 2% of the total surface area glazing (4).
10. Véhicule automobile (2) comprenant : 10. Motor vehicle (2) comprising:
- un vitrage (4), préférentiellement sur le toit du véhicule ; et  - A glazing (4), preferably on the roof of the vehicle; and
- des moyens d'alimentation électrique du vitrage (4) ;  - Power supply means of the glazing (4);
caractérisé en ce que le vitrage (4) est selon l'une des revendications 1 à 9, les diodes (6) étant situées sur la face (14) de la ou des platine(s) orientée vers l'intérieur du véhicule (2), et alimentées par les moyens d'alimentation du vitrage (4), préférentiellement via une couche conductrice (20) transparente.  characterized in that the glazing (4) is according to one of claims 1 to 9, the diodes (6) being located on the face (14) of the or platinum (s) facing the interior of the vehicle (2). ), and fed by the supply means of the glazing (4), preferably via a conductive layer (20) transparent.
PCT/FR2015/051638 2014-07-04 2015-06-19 Laminated glass panel with diodes on a plate with a reflector WO2016001508A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15753384.5A EP3177462A1 (en) 2014-07-04 2015-06-19 Laminated glass panel with diodes on a plate with a reflector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1456500 2014-07-04
FR1456500A FR3023214B1 (en) 2014-07-04 2014-07-04 LAMINATED GLAZING WITH DIODES ON PLATINUM WITH REFLECTOR.

Publications (1)

Publication Number Publication Date
WO2016001508A1 true WO2016001508A1 (en) 2016-01-07

Family

ID=51726685

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2015/051638 WO2016001508A1 (en) 2014-07-04 2015-06-19 Laminated glass panel with diodes on a plate with a reflector

Country Status (3)

Country Link
EP (1) EP3177462A1 (en)
FR (1) FR3023214B1 (en)
WO (1) WO2016001508A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017203170A1 (en) * 2016-05-26 2017-11-30 Saint-Gobain Glass France Illuminated laminated sunroof for vehicle, vehicle incorporating same, and manufacture
WO2017203171A1 (en) * 2016-05-26 2017-11-30 Saint-Gobain Glass France Illuminated laminated vehicle sunroof, vehicle incorporating same, and manufacture
WO2017203175A1 (en) * 2016-05-26 2017-11-30 Saint-Gobain Glass France Laminated glass sunroof of a vehicle, vehicle comprising same, and production thereof
WO2018178591A1 (en) * 2017-03-31 2018-10-04 Saint-Gobain Glass France Illuminating glazing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118043214A (en) * 2021-10-15 2024-05-14 福耀玻璃工业集团股份有限公司 Vehicle window assembly and vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738783A1 (en) * 1995-09-14 1997-03-21 Peugeot Lighting and signalling assembly fitted into rear window of motor vehicle
FR2895781A1 (en) * 2005-12-29 2007-07-06 Saint Gobain Direct and edge lighting luminous structure for e.g. aquarium, has metal element connected to LED and coupled with glass element to evacuate heat, where metal element is chosen from electrical connection element and/or element to retain LED
WO2013189794A1 (en) 2012-06-19 2013-12-27 Agc Glass Europe Sunroof comprising lighting means
WO2014020249A1 (en) * 2012-08-01 2014-02-06 Peugeot Citroen Automobiles Sa Glazing unit able to produce a light beam in a given direction by means of integrated leds
WO2014072608A1 (en) * 2012-11-07 2014-05-15 Peugeot Citroen Automobiles Sa Glazing unit able to produce an orientable and/or relatively concentrated beam of light

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738783A1 (en) * 1995-09-14 1997-03-21 Peugeot Lighting and signalling assembly fitted into rear window of motor vehicle
FR2895781A1 (en) * 2005-12-29 2007-07-06 Saint Gobain Direct and edge lighting luminous structure for e.g. aquarium, has metal element connected to LED and coupled with glass element to evacuate heat, where metal element is chosen from electrical connection element and/or element to retain LED
WO2013189794A1 (en) 2012-06-19 2013-12-27 Agc Glass Europe Sunroof comprising lighting means
WO2014020249A1 (en) * 2012-08-01 2014-02-06 Peugeot Citroen Automobiles Sa Glazing unit able to produce a light beam in a given direction by means of integrated leds
FR2994125A1 (en) 2012-08-01 2014-02-07 Peugeot Citroen Automobiles Sa GLAZING FOR PRODUCING A LIGHT BEAM ACCORDING TO DIRECTION GIVEN BY INTEGRATED LEDS.
WO2014072608A1 (en) * 2012-11-07 2014-05-15 Peugeot Citroen Automobiles Sa Glazing unit able to produce an orientable and/or relatively concentrated beam of light

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190011262A (en) * 2016-05-26 2019-02-01 쌩-고벵 글래스 프랑스 Illuminated laminated sunroof for vehicles, vehicle having same, and manufacture
WO2017203175A1 (en) * 2016-05-26 2017-11-30 Saint-Gobain Glass France Laminated glass sunroof of a vehicle, vehicle comprising same, and production thereof
JP2019519421A (en) * 2016-05-26 2019-07-11 サン−ゴバン グラス フランス Luminescent laminated glazing roof for a vehicle, a vehicle incorporating the same, and manufacture of the glazing roof
US10639869B2 (en) 2016-05-26 2020-05-05 Saint-Gobain Glass France Vehicular luminous laminated glazed roof, vehicle incorporating same and manufacture
FR3051761A1 (en) * 2016-05-26 2017-12-01 Saint Gobain LUMINOUS LIGHT ROOF OF VEHICLE, VEHICLE INCORPORATING AND MANUFACTURING
FR3051726A1 (en) * 2016-05-26 2017-12-01 Saint Gobain LUMINOUS LIGHT ROOF OF VEHICLE, VEHICLE INCORPORATING AND MANUFACTURING
CN107848458A (en) * 2016-05-26 2018-03-27 法国圣戈班玻璃厂 The luminous laminated windowpanes roof of vehicle, assembles its vehicle and manufacture
CN107848269A (en) * 2016-05-26 2018-03-27 法国圣戈班玻璃厂 The luminous lamination glass roof of vehicle, assembles its vehicle and manufacture
CN108136741A (en) * 2016-05-26 2018-06-08 法国圣戈班玻璃厂 The vehicle lamination glass roof that shines, assembles its vehicle and manufacture
WO2017203170A1 (en) * 2016-05-26 2017-11-30 Saint-Gobain Glass France Illuminated laminated sunroof for vehicle, vehicle incorporating same, and manufacture
KR102395503B1 (en) 2016-05-26 2022-05-09 쌩-고벵 글래스 프랑스 Illuminated laminated vehicle sunroof, vehicle having same, and manufacturing
KR20190011261A (en) * 2016-05-26 2019-02-01 쌩-고벵 글래스 프랑스 Illuminated stacked vehicle sunroof, vehicle with it, and manufacturing
KR102391747B1 (en) 2016-05-26 2022-04-28 쌩-고벵 글래스 프랑스 Illuminated laminated sunroof for vehicle, vehicle having same, and manufacturing
WO2017203171A1 (en) * 2016-05-26 2017-11-30 Saint-Gobain Glass France Illuminated laminated vehicle sunroof, vehicle incorporating same, and manufacture
FR3051715A1 (en) * 2016-05-26 2017-12-01 Saint Gobain LUMINOUS LIGHT ROOF OF VEHICLE, VEHICLE INCORPORATING AND MANUFACTURING
US10688924B2 (en) 2016-05-26 2020-06-23 Saint-Gobain Glass France Vehicular luminous laminated glazed roof, vehicle incorporating same and manufacture
RU2730781C2 (en) * 2016-05-26 2020-08-26 Сэн-Гобэн Гласс Франс Luminous multilayer glass in vehicle roof, vehicle containing it, and method of obtaining
RU2741660C2 (en) * 2016-05-26 2021-01-28 Сэн-Гобэн Гласс Франс Luminous multilayer glass in vehicle roof, vehicle containing it, and method of obtaining
RU2742637C2 (en) * 2016-05-26 2021-02-09 Сэн-Гобэн Гласс Франс Luminous multilayer glass in vehicle roof, vehicle containing it, and method of obtaining
US10960645B2 (en) 2016-05-26 2021-03-30 Saint-Gobain Glass France Vehicular luminous laminated glazed roof, vehicle incorporating same and manufacture
CN107848458B (en) * 2016-05-26 2021-04-06 法国圣戈班玻璃厂 Luminous laminated glass roof for vehicle, vehicle equipped with it and manufacture
CN107848269B (en) * 2016-05-26 2021-04-20 法国圣戈班玻璃厂 Luminous laminated glass roof for vehicle, vehicle equipped with it and manufacture
RU2759780C2 (en) * 2017-03-31 2021-11-17 Сэн-Гобэн Гласс Франс Luminous glazing
US11331885B2 (en) 2017-03-31 2022-05-17 Saint-Gobain Glass France Illuminating glazing unit with through-hole for light injection
FR3064531A1 (en) * 2017-03-31 2018-10-05 Saint-Gobain Glass France GLAZING LIGHTING.
WO2018178591A1 (en) * 2017-03-31 2018-10-04 Saint-Gobain Glass France Illuminating glazing

Also Published As

Publication number Publication date
EP3177462A1 (en) 2017-06-14
FR3023214A1 (en) 2016-01-08
FR3023214B1 (en) 2016-07-15

Similar Documents

Publication Publication Date Title
WO2016001508A1 (en) Laminated glass panel with diodes on a plate with a reflector
EP1858697B1 (en) Automotive glazing with selective diffusion
EP2776243B1 (en) Motor vehicle with turn signal repeater glazing
EP3390900B1 (en) Light module, in particular for vehicle stop light
FR3051761B1 (en) LUMINOUS LIGHT ROOF OF VEHICLE, VEHICLE INCORPORATING AND MANUFACTURING
EP3717432B1 (en) Exterior light signalling vehicle glazing, vehicle comprising same, and manufacturing thereof
EP3717304A1 (en) Exterior light signalling vehicle glazing, vehicle comprising same, and manufacturing thereof
EP3717239B1 (en) Vehicle sunroof, vehicle comprising same, and manufacturing thereof
FR2994125A1 (en) GLAZING FOR PRODUCING A LIGHT BEAM ACCORDING TO DIRECTION GIVEN BY INTEGRATED LEDS.
EP2998645A2 (en) Lighting device of a vehicle using a multi-source optical lens
EP2996202A1 (en) Oled diode mounting with resilient connection strips
FR2989176A1 (en) Luminous glazing pane for arrangement in part of car, has micro-reflector arranged relative to extracting zone and reflecting visible and/or UV light reflected from glass sheets according to given direction
EP3212992B1 (en) Compact optical module for vehicle
EP2815174A1 (en) Projector part comprising a reflection means with a reflection coefficient greater than 90%
FR3073471A1 (en) BUMPER FOR VEHICLES
FR2987043A1 (en) Laminated glass glazing used for vehicle e.g. motor vehicle, comprises glass sheets that are separated by lamination interlayer and formed by glass plates having a non-uniform thickness surface and defining a non-contact interface
FR3126414A1 (en) Glass assembly for an illuminated vehicle roof, method of manufacturing a glass assembly, and illuminated vehicle roof
EP3745169A1 (en) Railway vehicle car with holographic windscreens
FR3051733B1 (en) MOTOR VEHICLE EXTERIOR DOOR SEALING SYSTEM WITH MOBILE GLASS WITH DIFFUSER OF LIGHT.
BE1016435A5 (en) Beam conversion phare.
EP3502553A1 (en) Lighting device for a motor vehicle
FR3009364A1 (en) LIGHTING AND / OR SIGNALING DEVICE FOR MOTOR VEHICLE
WO2024023145A1 (en) Laminated glazing comprising an overhanging outer glass sheet, a wedge-shaped interlayer and a seal
WO2024110530A1 (en) Laminated glazing comprising lateral joint parts having at least one excess thickness
FR2990654A1 (en) Glazing element for e.g. windscreen, of car, has gutter made of transparent material and intended to channel rainwater flowable on glazing element, where gutter includes drain edge projecting in one piece with one of two transparent panels

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15753384

Country of ref document: EP

Kind code of ref document: A1

REEP Request for entry into the european phase

Ref document number: 2015753384

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2015753384

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE