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
  • B32B17/10009—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
  • B32B17/10018—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 only one glass sheet
• • 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
  • B32B17/10128—Treatment of at least one glass sheet
  • B32B17/10155—Edge treatment or chamfering
• • 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
  • B32B17/10302—Edge sealing
• • 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
  • 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
  • B32B17/1077—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 polyurethane
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J1/00—Windows; Windscreens; Accessories therefor
• • 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
  • B60Q3/40—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types
  • B60Q3/41—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types for mass transit vehicles, e.g. buses
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
  • B61D29/00—Lighting
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
  • F21V19/00—Fastening of light sources or lamp holders
  • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
  • F21V19/0015—Fastening arrangements intended to retain light sources
• • 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
  • B32B2605/00—Vehicles
  • B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
  • B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
  • B60Q1/268—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on windscreens or windows
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2106/00—Interior vehicle lighting devices
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
  • F21Y2115/00—Light-generating elements of semiconductor light sources
  • F21Y2115/10—Light-emitting diodes [LED]
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
  • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
  • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
  • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
  • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
  • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
  • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
  • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
  • G02B6/0073—Light emitting diode [LED]
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
  • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
  • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
  • G02B6/0075—Arrangements of multiple light guides
  • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
  • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
  • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
  • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
  • G02B6/0086—Positioning aspects
  • G02B6/0091—Positioning aspects of the light source relative to the light guide
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
  • H01L33/483—Containers
  • H01L33/486—Containers adapted for surface mounting
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
  • H01L33/50—Wavelength conversion elements
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
  • H01L33/52—Encapsulations
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
  • H01L33/58—Optical field-shaping elements
  • H01L33/60—Reflective elements
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
  • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
  • H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls

Definitions

• the present invention relates to vehicle glazings, and in particular to electroluminescent light-emitting glasses, and to the method of manufacturing such glazings.
• LEDs in English or LEDs in French More and more vehicles use light emitting diodes (LEDs in English or LEDs in French).
• FIG. 16 of WO 2010/049638 thus proposes a luminous glass roof of a vehicle, comprising a laminated glazing unit comprising an internal glazing unit, an external glazing unit, and a plastic laminating interlayer located between the outer and inner glazings.
• the inner glazing having a so-called face F3 face which is oriented towards the lamination interlayer, a first edge and a so-called face F4 face, the lamination interlayer having a said outer edge first and second side edges.
• the outer glazing having an outer face F1, a second edge on the side of the first edge and an inner face F2 which is oriented towards the lamination interlayer.
• the luminous glazed roof comprises, under a peripheral edge of said face F2, a plurality of aligned emitting inorganic light emitting diodes spaced from one another, each having a front emitting surface situated facing said first edge, each diode being in a through-hole notch of the second song.
• the diodes are on a main face Fi of a support said diode support comprising conductive circuits supplying the diodes, the support of conductive circuits thus comprising so-called carrier portions of the diodes and the support having a so-called attachment portion stuck to an edge B4 device of the F4 side by an adhesive.
• the emitting faces are adhered to the second edge by a sealant-sealing adhesive to the black polyurethane (PU) polymeric encapsulation material produced by injection.
• PU black polyurethane
• the panoramic glass roof is fixed by gluing the peripheral edges of the inner glazing to the roof body.
• This glazing constitutes a satisfactory solution for the positioning of the light-emitting diodes but is susceptible of improvement insofar as the transparent glue situated between each light-emitting diode and the edge can lose its barrier capacity over time, in particular under the effect of the cycles. climate, or induce uncontrolled color variation of the light emitted by each diode.
• the object of the present invention is to overcome the drawbacks of the prior art by proposing a luminous laminated glazing unit with light-emitting diodes which is protected without degrading the optical properties or complicating the fixing or the alignment of the diodes.
• the present invention provides a vehicle light glazing, including light side window (custode etc) or light roof (flag etc) of road vehicle (automobile, truck, bus, bus), comprising a laminated glazing comprising a first transparent sheet of glass or plastic (in particular polycarbonate) which is the interior glazing, in particular of clear or extraclear glass, in particular of a thickness of at most 2.5 mm, a second transparent sheet of glass or plastic (in particular polycarbonate) which is the outer glazing, in particular tinted in particular for a glazed roof, in particular with a thickness of at most 2.5 mm, and a lamination interlayer made of plastic, preferably thermoplastic (in particular polyvinyl butyral or PVB, in particular colorless or tinted , mono or multilayer), in particular with a thickness of at most 1 mm, located between the outer and inner glazing.
• a laminated glazing comprising a first transparent sheet of glass or plastic (in particular polycarbonate) which is the interior glazing, in particular of clear or extraclear glass, in particular of
• the inner glazing has a main face said face F3 which is oriented towards the lamination interlayer, a first edge and an inner main face said face F4.
• the outer glazing has an outer face said face F1, a second edge on the side of the first edge and a main face said face F2 which is oriented towards the lamination interlayer.
• the lamination interlayer has in particular a so-called outer edge on the first and second sides, set back at least 1 mm and preferably at most 10 mm from the second edge or even the first edge (with the notch), leaving a peripheral groove between faces F2 and F3.
• Said luminous glazing comprises, under a peripheral edge B2 of said face
• the notch may be at most 10 mm wide, at least 2 mm in width, and better than 4 ⁇ 1 mm, over all or better part of one side of the inner glazing (lateral or longitudinal edge), preferably less than the length of said side length, including notch arranged between two non-recessed edges of said side.
• the length of the notch may be greater than or equal to the length L of the diode support or of all the diode supports preferably interconnected, in particular L + 15 to 50mm and better L + 20 ⁇ 5mm.
• the diodes are able to emit one or more visible visible radiation (s) in the inner glazing, before extraction of visible light on the side F4 or able to emit one or more ultraviolet radiation guided (s) in the inner glazing before conversion into visible light and extraction of visible light F4 side (phosphor etc), the light extraction means being within the inner glazing as an internal engraving (laser), on the face F3 (preferably directly on) or on the F4 side (preferably directly on).
• the extraction means can be permanent or removable (sticker etc) and repositionable thereafter (sold separately for example).
• the diodes are on a front main face Fi of a diode support, front face Fi provided with conductive circuits, preferably metal including copper, supplying the diodes, front face thus including diode carrying areas, the diode support having a so-called attachment portion bonded to a peripheral edge B4 of the face F4 by an adhesive including a double-sided adhesive.
• the vehicle light glazing further comprises a profiled bead, in particular a polymeric bead (in particular made of polyurethane), which is preferably an extrudate comprising:
• the emitting front surfaces of the diodes being in contact with or spaced apart by air of said first edge and spaced at most 1 mm and even at most 0.5 mm from said first edge and even at most 0.3 mm. to reduce light loss.
• the vehicle light glazing further comprises:
• a so-called protective adhesive tape for example a dielectric tape, comprising a preferably polymeric base and at least one adhesive main face and possibly an adhesive back main face, preferably monolithic or in several pieces (for example in two pieces), in particular splined or with overlap zone, with (for the monolithic strip or the first piece) a first end zone adhesively bonded against the peripheral edge B2 (through the adhesive rear main face) or at the edge of the face F3 (through the front face, in the peripheral groove, in particular at least 1 mm in the groove, preferably to the outer edge of the insert) and (for the monolithic strip or the second piece) a second end-face adhesive end zone F4 ( front face), forming a tight barrier between the profiled bead and the diodes, between the profiled bead and the first edge, thus set back from the second channel t, the adhesive front face being on a rear main face Fe of the diode support.
• Each light-emitting diode is protected by the profiled bead, there is no organic profiled bead material at the interface between the emitting front surface of each light-emitting diode and the first edge thanks to the protective adhesive tape.
• the material of said profiled bead is preferably chosen opaque and is thus less likely to change with aging.
• the constituent polymer material of the profiled bead may be a thermoplastic (PVC, TPE, ...), a polyurethane or a synthetic rubber of the EPDM type or any other suitable material.
• said inner lip does not extend against said first edge of said inner glass sheet so as not to impede light emission by the first edge.
• Said outer lip preferably has a width of between 1.0 and 3.0 mm and / or even a height of between 1.0 and 5.0 mm.
• Said inner lip preferably has a width of between 1.0 and 10.0 mm and / or even a height of between 1.0 and 3.0 mm.
• the upper lip preferably extends along the notch exclusively, over the entire length preferably or at least on all areas with support (s) of diodes
• the thickness above the face F4 is, for example, less than 8 mm, for example, 1.5 to 4 mm.
• the protective adhesive strip may completely cover the diode support with upper side-side portions F2, lower face-side portions F4 and side portions.
• the band is of dimensions (width and length) greater than the dimensions of the diode support or of all the diode supports if several.
• the power leads of the diode support may be partially covered by the band and then protrude from the band, out of the notch and possibly connected to a connector on the face F4.
• the base of the protective adhesive tape may be a polymeric material, in particular vinyl, for example PVC polyvinyl chloride, or polyimide (for example a kapton ®). It is preferred that the base of the strip is not made of paper or cardboard to better hold extrusion of the profiled bead and possible encapsulation by injection on the extrusion.
• the front and / or back adhesive side may have an adhesive pressure.
• the adhesive may be silicone (for example on polyimide) or acrylic glue (for example on a vinyl material).
• the protective tape may be compatible with the material of the profiled bead or with the power cables.
• the protective adhesive tape can be stable up to 100 ° C especially in case of heating caused by the diodes.
• the protective tape can be opaque (colored, white black etc).
• the adhesive tape of protection can be reflective (metallic, aluminum etc). It is preferably dielectric (especially polymeric) to avoid short circuits.
• the protective adhesive strip may be opaque, in particular with a first end zone adhesively bonded on the face F3 or even face F2 in a peripheral groove, the lamination interlayer being set back from the first edge, so as to eliminate the light parasite emerging at large angles and passing through the external glazing when the possible encapsulation is flush (or flush) on the face F4 or more generally when the face F1 and / or the face F2 and / or F3 does not have masking means or insufficient means
• the protective adhesive tape can cover at least part of the fixing part, in particular covering an electrical (opto) component on the rear face Fe opposite the face F4, and even covering the fixing part and protruding on the face F4, for example protecting the adhesive between the main face Fi of the support and the face F4, in particular if the space permits it / or if the bead of bonding to the rabbet of the bodywork is remote (in the case of a glued roof) .
• the diode support may be devoid of part in contact with the face F2 and even be spaced apart by 0.1 mm or at least the thickness of the interlayer, especially the bearing areas do not extend beyond the first edge towards the face F2.
• the diode support may be devoid of return in the plane along the face F3, the diode support is devoid of part in contact with the face F2.
• the diode support may be thin, in particular of thickness less than or equal to 1 mm, for example between 0.1 and 0.5 mm, and even 0.15 ⁇ 0.05 mm.
• the fixing portion may be of width 5 ⁇ 1 mm to 15 mm ⁇ 10 mm, in particular depends on the available space in front F4 (for example with respect to the position of the adhesive bead for the rabbet of the bodywork).
• the rear face Fe may carry at least one electronic (opto) component including control diodes and other conductive circuits (metal, copper ..) for said component.
• the (each) component (opto) electronic can be of thickness of at most 5mm or 3mm for example.
• an electronic (opto) component there may be mentioned a resistor, a current or voltage regulation unit for example providing a voltage at 12V with an electrical source at more than 12V.
• each carrier zone On the rear face Fe opposite each carrier zone it is possible to avoid placing components and on each carrier zone it is possible to avoid placing components (apart from the diodes). It is possible to use a microcontroller on the diode support or remote (outside profiled bead zone and encapsulation).
• At least one other similar (or identical) diode support adjacent to said diode support may be connected in the notch by a cable to said diode support.
• the diode support may be with a base of flexible material, in particular polymeric material, be dielectric, and be composite.
• the diode support may be a polyimide, a resin composite (epoxy) reinforced with glass fibers (often called FR-4), or even metal (aluminum, copper, etc.).
• Polyimide films have a higher temperature resistance compared to the PET poly (ethylene terephthalate) alternative or even PEN (polyethylene naphthalate)
• PET poly terephthalate
• PEN polyethylene naphthalate
• the range of AKAFLEX® products can be mentioned (especially PCL FW) from KREMPEL.
• the length of the support varies according to the number of diodes and the extent of the surface to be illuminated
• the inner and outer panes are curved (along at least one axis of curvature). It is possible to provide a diode support that adapts to the curvatures of the internal glazing.
• the interior glazing is curved especially along the first edge.
• the diodes are front-end and the diode support, in particular polymeric (in particular polyimide), is of submillimeter thickness (and even at most 0.2 mm) and is flexible.
• the diode support in particular polymeric (in particular polyimide)
• the diode support is of submillimeter thickness (and even at most 0.2 mm) and is flexible.
• Each of the so-called lateral support zones is opposite the first edge then forming an L-shaped section with the attachment part (by a fold) possibly extended by a return towards the interlayer for a total U-section (by another fold).
• the lateral bearing zones are all or part of said notch (and the support being spaced from the face F2, especially in the carrier areas).
• the adjacent bearing areas are separated by a particularly slot-shaped opening. Between the adjacent carrier areas, the diode support preferably extends in the extension of the attachment portion (without exceeding the second edge).
• the diode support has a thickness of less than 0.1 mm in the peripheral groove and that it is set back from the edge of the interlayer.
• the diode support With each opening, the diode support then follows the longitudinal curvature of the inner glazing.
• the opening is delimited by lateral internal walls, between the carrying zones, and delimited by a bottom.
• the opening may be at least 0.1 mm wide as a cut in the diode support and for example at most the distance between the diodes minus 0.1 mm on either side.
• the opening may be centered between neighboring diodes. At least 0.1 mm can be left between each diode and the inner side wall delimiting the nearest opening.
• the bottom of the opening is lower than the lower edges of the diodes.
• the bottom may be in the plane of the first edge (maximum opening depth), preferably is shifted from the first edge and better to the maximum is to the front face Fi of the carrier areas (minimum opening depth).
• the fixing portion forms an angle with the bearing zone greater than 80 ° and even 90 °, 90 ° ⁇ 5 °, preferably 90 ° to 95 °, for better coupling with the first edge.
• the slot may be rounded at the bottom to prevent a breakout.
• the front face Fi and / or the rear face Fe comprises a reinforcing layer at least at the level of the fold-to maintain the L-section which is preferably metallic like copper (of the money or gold).
• the reinforcing layer on the front face Fi is part of the conductive circuit of the diodes or on the rear face Fi of the conducting circuit of another optoelectronic component, in particular for controlling the diodes or a zone of heat dissipation on the front face. Fi and / or back Fe.
• the reinforcement zone is used to keep the L-section (the shape after folding) in order to orient the light rays (visible or UV).
• the diodes are side emission, so-called facial bearing areas are the extension of the fixing portion.
• provision may be made to raise them or to modify the cross section of the support in a Z-type section (an L and a return in the opposite direction of the first edge), possibly to using a rear wedge.
• the diodes may be simple semiconductor chips, for example of the order of a hundred ⁇ or mm.
• the diodes may, however, include a protective envelope (temporary or not) to protect the chip during handling or to improve compatibility between the materials of the chip and other materials.
• the diodes may be encapsulated, that is to say comprising a semiconductor chip and an envelope, for example epoxy resin or PMMA, encapsulating the chip and whose functions are multiple: protection of oxidation and humidity, diffusing or focusing element, wavelength conversion, ...
• the emission diagram of a source can have an angle of 120 °.
• a collimated diode has a half-angle at the summit down to 2 or 3 °.
• the diodes are preferably surface-mounted components (SMD or SMD).
• SMD surface-mounted components
• the diodes (with a single semiconductor chip here) are, for example, of square shape with a width of the order of 5 mm or less.
• the inorganic light emitting diode may be a surface-mounted component (SMD or SMD in English) comprising a peripheral envelope (often referred to as "packaging").
• SMD surface-mounted component
• package comprising a peripheral envelope (often referred to as "packaging").
• each diode preferably of power, being a component including a semiconductor chip, and is equipped with a peripheral envelope (often called "packaging"), polymeric or ceramic, encapsulating the edge of the component (and defining the edge of the diode), and overflowing on the front face of the component surrounding the semiconductor chip.
• a peripheral envelope often called "packaging”
• polymeric or ceramic encapsulating the edge of the component (and defining the edge of the diode), and overflowing on the front face of the component surrounding the semiconductor chip.
• the diode may comprise a protective resin or a color conversion function material even just on the semiconductor chip.
• the semiconductor chip can be embedded in a material (resin, etc.).
• the diode may be devoid of optical element (above the chip-semiconductor (embedded or not in the material) to facilitate compactness.
• the envelope may correspond to the maximum thickness (height) of the diode.
• the envelope is for example epoxy.
• a polymeric envelope can possibly settle (the final thickness after lamination may be less than the initial thickness) during the lamination.
• the (polymeric) envelope may be opaque.
• the envelope may comprise a carrier base portion of the semiconductor chip and a reflector portion, flared away from the base (higher than the chip),
• the diodes have a lambertian or quasi-lambertian emission.
• Inorganic diodes are for example based on gallium phosphide, gallium nitride, gallium and aluminum.
• the width (and even the length) of a diode with a single semiconductor chip is preferably at most 5 mm and even at most 1 mm.
• the spacing between diodes is a function of the size of the emitting surface and the emission angle, typically 120 °. It is preferably at most 20mm, typically 10mm ⁇ 5mm.
• Each diode may include a plurality of semiconductor chips.
• the length of a diode (polychromatic light) with a plurality of semiconductor chips is preferably at most 20mm better than 10mm and even at most 5mm.
• the total number of diodes is defined by the size and location of the areas to be illuminated, by the desired light intensity and the required light homogeneity.
• the carrier areas are opposite the B2 edge
• diodes can be mentioned the range of OSLON BLACK FLAT sold by OSRAM.
• OSRAM OSLON BLACK FLAT Lx H9PP.
• OSRAM OSLON BLACK FLAT Lx H9PP.
• LCY H9PP yellow light
• Said adhesive F4 face may be dielectric (to avoid short circuits) and double-sided adhesive tape including conformable.
• This ribbon can be a continuous band.
• the double-sided adhesive tape has a polymeric core and two main adhesive faces.
• the core of the protective adhesive tape may be a polymeric material, in particular vinyl, for example polyvinyl chloride PVC, or polyimide (for example a kapton ®). It is preferred that the soul is not made of paper or cardboard as a precaution.
• the front and / or back adhesive side may have an adhesive pressure.
• the adhesive may be silicone (for example on polyimide) or acrylic glue (for example on a vinyl material).
• the thickness of the ribbon may be less than 0.5 mm or 0.3 mm, for example 0.13 mm.
• the width of the adhesive tape is for example typically 5 to 6mm. Preferably it does not exceed the first song and is even in withdrawal.
• the luminous glazing may comprise an opaque peripheral masking layer on the face F2 situated on the peripheral edge B2 and extending between the spacer and the face F2, the protective adhesive tape possibly being on said opaque peripheral masking layer.
• the protective adhesive tape possibly being on said opaque peripheral masking layer.
• particular enamel on the glass exterior glazing For example its length is at most 100mm and for example 50mm
• the luminous glazing may comprise an opaque peripheral masking layer on the face F3 situated on the peripheral edge B3 and extending between the interlayer and the face F3, the protective adhesive tape possibly being on said opaque peripheral masking layer. particular enamel on the glass interior glazing.
• the luminous glazing may alternatively (or cumulatively) comprise an opaque peripheral masking layer on the face F4, located on the peripheral edge B4, the protective adhesive tape being optionally on said opaque peripheral layer of masking, in particular enamel on the inner glazing in glass, next to the fixing portion or the profiled bead optionally being on said opaque peripheral masking layer.
• the glazing may have an additional layer of masking (a sheet, a film, a deposit as a paint, an adhesive tape preferably mono-face ...), opaque or reflective (for example aluminum) extending on said face F2 or F3 in the peripheral groove so as to remove stray light coming out at large angles and crossing the external glazing when the possible encapsulation is flush (or flush) on the face F4 or more generally when the face F1 and / or the face F2 and / or F3 has no means of masking or insufficient means.
• the additional masking layer can have only an optical density of at least 4.
• the additional masking layer is on an enamel layer opposite F2.
• the assembly may have an optical density of at least 4.
• the additional masking layer is on a face enamel layer F3.
• the assembly may have an optical density of at least 4;
• the additional masking layer can be put before lamination and is preferably less than 0.1 mm thick to avoid breakage.
• a low refractive index layer on the face F3 (optionally under the protective strip, under the enamel) such as a porous silica layer as described in the application WO2008059170, optionally under a layer of dense silica as described in FIG. WO2015101745. It is possible to use a low refractive index film within the interlayer such as a porous silica layer fluoropolymer film as described in the application WO2015 / 101745.
• a bead of glue may be on the face F4 for example polyurethane used to fix the glazing rabbet of the bodywork, bead of adhesive adjacent to the profiled bead or to an encapsulation for example width of 7 mm by 17 mm +/- 5 mm of high.
• the glue bead preferably starts at least 10mm and even 15mm from the first edge less than 30mm.
• the luminous glazing unit also comprises an additional protection profile covering at least partly, and preferably completely, a so-called free main face of said profiled bead, which is the furthest face of the light-emitting diodes, in particular a polymeric encapsulation, particularly in polyurethane.
• an additional protection profile is manufactured by polymeric encapsulation of said profiled bead in particular thick from 0.5 mm to several cm.
• the production of the additional protection profile by injection is particularly advantageous because it allows a reliable protection over time.
• the production of the additional extrusion protection profile for example is certainly simpler, but is limited in the evolution of its section.
• the extrusion section is fixed because it is related to the geometry of the nozzle.
• the profiled bead then being chosen sealed (thus sufficiently resistant) to the liquid encapsulation material injected at a given temperature and pressure.
• the polymeric encapsulation may be single-sided, two-sided or triface, in particular on the second edge and on the face F4 'between the profiled bead and the adhesive bead once mounted.
• the encapsulating material is black or colored (for aesthetic and / or masking purposes). This material is not sufficiently transparent to (x) visible radiation (s), the invention prevents infiltration in front of the first edge.
• the encapsulation may be polyurethane, especially PU-RIM (reaction in mold in English), the crosslinking of the two-component PU operating in the mold, once the two components injected simultaneously.
• This material is typically injected up to 120 ° C or 1 10 ° C and a few tens of bars.
• primer layer mono-, bi- or tri-component, for example based on polyurethane, polyester, polyvinyl acetate or isocyanate which is 5 to 30 ⁇ thick, which promotes adhesion to a mineral glass which is:
• the polymeric encapsulation is on the periphery of the laminated glazing (is also outside the notch).
• the encapsulation can be of any shape, with or without lip, two-sided, triface or even single-sided.
• Polymeric encapsulation also provides a good aesthetic finish and allows to integrate other elements or functions:
• a tubing in other words a sealed cell sealing profile, can also be attached to the encapsulation.
• the extraction face of the inner glass can be mate, sandblasted, screen printed, etc.
• the luminous glazing can integrate a mineral diffusing layer associated with one of the main faces F3 or F4 which is a luminous surface (by radiation extraction).
• the diffusing layer may be composed of elements containing particles and a binder, the binder making it possible to agglomerate the particles together.
• the particles may be metallic or metal oxides, the size of the particles can be between 50 nm and 1 ⁇ , preferably the binder can be mineral for heat resistance.
• the diffusing layer consists of particles agglomerated in a binder, said particles having a mean diameter of between 0.3 and 2 microns, said binder being in a proportion of between 10 and 40% by volume and the aggregates forming particles having a size of 0.5 to 5 microns.
• This preferred diffusing layer is particularly described in application WO0190787.
• the particles may be chosen from semi-transparent particles and preferably inorganic particles such as oxides, nitrides, carbides.
• the particles will preferably be chosen from oxides of silica, alumina, zirconia, titanium, cerium, or a mixture of at least two of these oxides.
• a diffusing mineral layer of about 10 ⁇ is chosen.
• Radiation extraction is adjusted (the type and / or the diode position for ambient lighting, reading, visible inside the vehicle.
• the light can be:
• Visible inside the vehicle it can have a function of night lighting or display information of any kind, such as drawing, logo, alphanumeric signage or other signs.
• the invention further relates to a vehicle incorporating the vehicle light glazing already described.
• the profiled bead is in particular in contact with or spaced apart from a bead of glue which is more internal and adheres to a rabbet of the bodywork of the vehicle
• the luminous glazing is intended to equip any vehicle:
• the luminous glazing can thus integrate all known features in the field of glazing.
• functionalities added to the glazing mention may be made of: hydrophobic / oleophobic, hydrophilic / oleophilic layer, photocatalytic antifouling, stack reflecting heat radiation (solar control) or infrared (low-emissive), antireflection.
• the laminated glazing can be formed:
• a first transparent sheet mineral glass (floated, etc.) or organic (PC, PMMA, PU, ionomer resin, polyolefin), thick or thin,
• a second sheet (opaque or not, transparent, tinted, mineral glass, or organic with various features: solar control ..).
• a first rounded edge may preferably be provided. It is possible to draw from the refraction at the air interface / first sheet of appropriate geometry (rounded edge, or even beveled ..) thus allowing to focus the rays in the first sheet. One can foresee a first frosted song (diffusing).
• the bending of the glazing may be in one or more directions for example as described in WO2010136702.
• mineral glass / interlayer preferably PVB or PU
• polycarbonate optionally with dark matter at the periphery
• Plastic such as polycarbonate or PET, poly (methyl methacrylate PMMA / interlayer (preferably PVB or PU) / mineral glass.
• the first sheet may be soda-lime glass, for example PLAN IC LEAR glass from the company SAINT GOBAI N GLASS.
• the second sheet may be colored for example glass VENUS company SAINT GOBAI N GLASS.
• the glass may have optionally previously undergone a heat treatment of the type hardening, annealing, quenching, bending.
• the inner glazing can (according to the aesthetic rendering, the desired optical effect) be a clear glass (light transmission T L greater than or equal to 90% for a thickness of 4 mm), for example a standard composition of soda-lime glass, or extra flash (T L greater than or equal to 91.5% for a thickness of 4 mm), for example a soda-lime-silica glass with less than 0.05% Fe III or Fe 2 O 3 such as Diamond glass ® Saint-Gobain Glass, or Optiwhite® Pilkington, or B270® Schott, or other composition described in WO04 / 025334.on can also choose the glass Planiclear® Saint-Gobain Glass.
• the glass of the first and / or second glazing may be neutral (without coloration), or (slightly) tinted in particular gray or green, such as TSA glass from Saint-Gobain Glass.
• the glass of the inner glazing and / or the outer glazing may have undergone a chemical or thermal treatment of the type hardening, annealing or quenching (for a better mechanical strength in particular) or be semi-tempered.
• the light transmission T L can be measured according to the ISO 9050: 2003 standard using the illuminant D65, and is the total transmission (notably integrated in the visible range and weighted by the sensitivity curve of the human eye), taking into account both the direct transmission and the possible diffuse transmission, the measurement being made for example by means of a spectrophotometer provided with an integrating sphere, the measurement at a given thickness then being converted, if necessary, to the reference thickness of 4mm according to ISO 9050: 2003.
• the glazed roof according to the invention meets the current automotive specifications, in particular for the light transmission T L and / or the energy transmission T E and / or the energy reflection R E and / or for the total transmission of the energy solar TTS.
• the curved laminated glazing according to the invention in particular glazed roof, can have a light transmission T L of at most 10% and even from 1 to 6%.
• Table A below gives examples of glass sold by the Applicant.
• SGS THERMOCONTROL ® Absorbing / Venus glass improves thermal comfort by absorbing the energy load in the glass mass. These glasses are divided into two categories: "Vision” (Light Transmission> 70%) and “Privacy” (Light Transmission ⁇ 70%). Glass type TL (%) TE (%) RE (%)
• the "Vision” lens is suitable for all types of glazing in the vehicle: green / blue / gray and provides reduced energy transmission (TE).
• TE reduced energy transmission
• the most popular color for this purpose is green. It was chosen because of its neutral appearance that does not affect the color harmony of a vehicle.
• the "Privacy” glass is a tinted glazing for thermal comfort and privacy. It is a dark green or dark gray stained glass. To ensure privacy, this glazing has light transmission values that are below 70%, generally around 55% or less. Due to its dark hue, this type of glass also ensures low UV transmission (UV rays can cause skin irritation).
• Venus / Privacy glass is suitable for rear side windows (after pillar B), rear window and glass roof.
• SGS THERMOCONTROL ® Venus consists of dark gray or dark green stained glass. They have all the thermal advantages of "Vision” type glass (SGS THERMOCONTROL ® Type) with improved sun protection: - lower energy transmission values (compared to all other glass solutions), - its dark color also blocks the UV radiation, which is responsible for the irritation of the skin and the discoloration of the cabin,
• thermoplastic without plasticizer such as ethylene / vinyl acetate copolymer (EVA), polyvinyl butyral (PVB).
• EVA ethylene / vinyl acetate copolymer
• PVB polyvinyl butyral
• the PVB interlayer is optionally acoustic and / or tinted or preassembled first PVB sheet / functional transparent plastic film such as a film of polyethylene terephthalate called functional PET (preferably with a functional layer for example electroconductive) / second PVB sheet, the second leaflet is clear or extraclear.
• functional PET polyethylene terephthalate
• second PVB sheet the second leaflet is clear or extraclear.
• the transparent plastic film may have a thickness of between 10 and 100 ⁇ .
• the transparent plastic film can be made of polyamide, polyester, polyolefin (PE: polyethylene, PP: polypropylene), polystyrene, polyvinyl chloride (PVC), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), polycarbonate (PC) .
• a clear film of coated PET for example XIR from Eastman
• a film coextruded in PET-PMMA for example of the SRF 3M® type
• many other films for example PC, PE , PEN, PMMA, PVC
• the acoustic PVB interlayer may comprise at least one so-called central layer of viscoelastic plastic material with vibroacoustic damping properties, especially based on polyvinyl butyral (PVB) and plasticizer, and further comprising two outer layers of standard PVB, the layer central being between the two outer layers.
• PVB polyvinyl butyral
• At least one of the glazings is tinted, and / or the laminated glazing may also comprise a reflective or absorbent layer the solar radiation, preferably face F4 or face F2 or F3, in particular a transparent electroconductive layer, electroconductive transparent oxide layer called TCO layer (face F4) or even a thin film stack comprising at least one TCO layer, or stacks of thin layers comprising at least one silver layer (in F2 or F3), the or each silver layer being disposed between dielectric layers.
• a reflective or absorbent layer the solar radiation preferably face F4 or face F2 or F3, in particular a transparent electroconductive layer, electroconductive transparent oxide layer called TCO layer (face F4) or even a thin film stack comprising at least one TCO layer, or stacks of thin layers comprising at least one silver layer (in F2 or F3), the or each silver layer being disposed between dielectric layers.
• the TCO layer (of a transparent electro-conductive oxide) is preferably a fluorine-doped tin oxide layer (SnO 2 : F) or a tin-indium mixed oxide (ITO) layer. .
• IZO mixed oxides of indium and zinc
• the doping level i.e., the weight of aluminum oxide based on the total weight
• the doping rate may be higher, typically in a range of 5 to 6%.
• the atomic percentage of Sn is preferably in a range from 5 to 70%, especially from 10 to 60%.
• the atomic percentage of fluorine is preferably at most 5%, usually 1 to 2%.
• ITO is particularly preferred, especially with respect to SnO 2 : F.
• Higher electrical conductivity, its thickness may be lower to achieve the same level of emissivity. Easily deposited by a cathodic sputtering method, especially assisted by magnetic field, called “magnetron process", these layers are distinguished by a lower roughness, and therefore a lower fouling.
• fluorine-doped tin oxide is its ease of deposition by chemical vapor deposition (CVD), which in contrast to the sputtering process, does not require any subsequent heat treatment, and can be implemented on the float flat glass production line.
• CVD chemical vapor deposition
• emissivity is meant the normal emissivity at 283 K according to EN12898.
• the thickness of the low-emissivity layer (TCO, etc.) is adjusted, depending on the nature of the layer, so as to obtain the desired emissivity, which depends on the desired thermal performance.
• the emissivity of the low-emissivity layer is, for example, less than or equal to 0.3, in particular to 0.25 or even to 0.2.
• the thickness will generally be at least 40 nm, or even at least 50 nm and even at least 70 nm, and often at most 150 nm or at most. plus 200 nm.
• fluorine-doped tin oxide layers the thickness will generally be at least 120 nm, even at least 200 nm, and often at most 500 nm.
• the low emissivity layer comprises the following sequence:
• a low-emissivity layer protected during quenching, it is possible to choose high-index sub-layer ( ⁇ 40 nm) / low-index underlayer ( ⁇ 30 nm) / an ITO layer / high-index overcoat (5-15 nm) )) / overlay low index ( ⁇ 90 nm) barrier / last layer ( ⁇ 10 nm).
• the external glazing is tinted and / or the interlayer of lamination is tinted on all of its thickness
• a low emissivity layer in particular comprising a transparent electroconductive oxide layer (TCO) in particular a thin layer stack with TCO layer or a stack of thin layers with silver layer (s)
• TCO transparent electroconductive oxide layer
• a solar control layer in particular comprising a transparent electrically conductive oxide layer (TCO) in particular a thin layer stack with TCO layer or a stack of thin layers with silver layer (s)
• TCO transparent electrically conductive oxide layer
• an additional film (polymeric, such as a tinted polyethylene terephthalate PET etc.) is between the faces F2 and F3 or (bonded) at F4 or even face F1.
• the present invention also relates to a method of manufacturing the vehicle glazing according to the invention, wherein said profiled bead is positioned by extrusion of a constitutive material of said profiled bead, especially at ambient temperature or, more generally, at a temperature of at most 80 ° C or 70 ° C and more preferably in a range of 15 or 20 ° C to 50 ° C.
• Extrusion is preferred to the filling technique or "potting" in English carried out hot.
• an additional protection profile is manufactured by encapsulation of said profiled bead (and even around the laminated glazing), by injecting the polymeric encapsulating material, preferably at a temperature of less than or equal to 120 ° C and preferably at least 90 ° C.
• FIGS 1, 1A, 1B, 2, 3, 4, 5, 6 are partial schematic views of cutting light vehicle glazing diodes in the embodiments of the invention.
• FIG. 1c represents a schematic perspective view of the diode fixing support according to the invention in the first embodiment
• FIG. 1 d is a sectional view of a diode attachment holder in another embodiment of the invention.
• Figure 1 e shows a schematic top view of side face F4 of a light vehicle glazing of diodes according to the invention in the first embodiment.
• FIG. 1 represents a partial diagrammatic sectional view of a light-emitting diode window 100 for an automotive glazed roof in a first embodiment of the invention.
• Figure 1 is a detail view (zoom).
• This luminous glazing unit 100 comprises a curved laminated glazing unit comprising: a curved glass sheet forming an external rectangular glazing, for example having an outer main face F1, and an inner main face, called F2, and a singing of the second edge.
• a silicosodocalcic glass sheet with a thickness equal to 2.1 mm, possibly for a solar control function, tinted sheet (for example, the VENUS VG10 glass of the Applicant),
• a curved glass sheet 1 forming an internal glazing, similar in shape to the outer glazing, for example rectangular, having a main face 13, called F3, and an inner main face 14, called F4, and a singing 15 of the first preferably rounded edge (to avoid scales), for example a silicosodocalcic glass sheet, of thickness equal to 2.1 mm or less, for example 0.7 mm, the first edge having over a portion of its length a through hole (22) said nick -
• a lamination interlayer 2 for example a tinted PVB, for example of 0.7mm thickness (made in one or more layers, possibly acoustic PVB possibly incorporating a functional PET-type film).
• the lamination interlayer 2 has a so-called outer edge 25 on the first and second sides, set back at least 1 mm and preferably at most 10 mm from the second edge or even the first edge with the notch, leaving a groove peripheral 21 between the faces F2 and F3.
• the face F2 comprises a first opaque peripheral masking layer 16 located on the peripheral edge B2 and extending between the interlayer and the face F2, black enamel for example. For example, its length is 50mm.
• the face F4 comprises a second opaque peripheral mask layer on the face F4, located on the peripheral edge B4, in enamel.
• the face F3 comprises a low index layer 16a, for example a porous silica layer (under a preferably dense silica layer) to promote guidance. It can begin after the removal of the PVB.
• a low index layer 16a for example a porous silica layer (under a preferably dense silica layer) to promote guidance. It can begin after the removal of the PVB.
• the face F4 comprises a diffusing layer 14 'for extracting the light.
• the extraction is by any means: sandblasting, acid attack, diffusing layer (enamel, paint etc), for example by screen printing or by internal etching (laser).
• the extraction can form a luminous pattern, for example a logo or a mark, an animated light.
• a bead of adhesive 8 is on the face F4, for example polyurethane, used to attach the roof to the rabbet 80 of the bodywork, adhesive bead adjacent to the profiled bead or to an encapsulation for example width of 7 mm by 17 mm + / - 5 mm high.
• the adhesive bead starts for example 15mm from the first song.
• Said roof 100 comprises under a peripheral edge B2 of said face F2, a plurality of inorganic light emitting diodes 4 frontally spaced apart and each having a front emitter surface 41 located opposite said first edge 15, the diodes being in the notch.
• the diodes are on areas carrying a main face before Fi of a support said diode support 3, front face provided with preferably copper conductive circuits supplying the diodes, the front face thus having areas carrying diodes.
• the diode support is devoid of part in contact with the face F2.
• the rear main face Fe, opposite to the face F4, carries at least one electronic (opto) component 4a in particular for controlling the diodes and other preferably copper conductive circuits for the component.
• the diode support is submillimeter thickness, is flexible, polyimide.
• the diode support has a so-called fixing portion 30a bonded to a peripheral edge B4 of the face F4 by an adhesive 6 which is a double-sided adhesive tape (calibrated thickness) comprising a polymeric core and two main adhesive faces, conformable, vinyl, for example PVC polyvinyl chloride or polyimide (for example a kapton ®).
• the adhesive may be silicone (for example on polyimide) or acrylic glue (for example on a vinyl material).
• the thickness of the adhesive tape is for example 0.13 mm.
• the width of the adhesive tape 6 is for example the width of the fixing portion 30a typically 5 to 6mm. It may be set back from the edge of the fixing portion from 0.1 mm to less than 1 mm, for example. It is set back from the first song.
• Each of the so-called lateral support zones is opposite the first edge then forming an L-shaped section with the attachment part, by a fold.
• the lateral bearing zones are wholly or partly in said notch and the adjacent bearing zones are separated by a particularly slot-shaped opening.
• the diode support extends in the extension of the fixing part, protruding from the first edge, without back next to the first song
• the light-emitting diodes each comprise at least one emitter chip capable of emitting one or more visible-light radiations guided in the first sheet 1.
• the diodes are small sizes typically a few mm or less, in particular of the order of 2x2x1 mm, without optics (lens) and preferably not pre-encapsulated to minimize congestion.
• Each light-emitting diode is a surface-mounted component (SMD or SMD in English) comprising a peripheral envelope (often called "packaging") polymeric or ceramic.
• the spacing between diodes is 10mm ⁇ 5mm.
• the diodes are for example welded or glued on the front face.
• each emitting front surface 41 and the first edge 15 is minimized.
• the emitting front surfaces of the diodes are touched or spaced by air of said first edge by at most 1 mm more preferably by at most 0, 5mm of said first song.
• the main direction of emission is perpendicular to the face of the semiconductor chip, for example with a quantum multiwell active layer of AlInGaP technology or other semiconductors.
• the cone of light is a lambertian type cone, of +/- 60 0 . You can choose diodes (aligned on the support) emitting in white or colored light for mood lighting, reading ...
• diode supports are provided in the notch, with identical or even distinct functions (adapted choice of the power, the light emitted, the position and the extent of the extraction zone or zones).
• the glazing also comprises a profiled polymeric bead 7 made of polyurethane obtained by extrusion using nozzles, for example at room temperature, comprising:
• a body 74 situated between said outer lip 73 and said inner lip 75 with said body (74) situated at a distance from said front emitting surface 41 of the light-emitting diodes, and furthermore is situated at a distance from said first edge 15.
• the glazing 100 further comprises a so-called protective adhesive tape 5, comprising a base and at least one so-called main adhesive face before 50-and possibly a rear main face 50 'without an adhesive or, alternatively, an adhesive adhesive, with
• the adhesive front face 50 is on a rear main face Fe 30 'of the diode support 3 opposite the carrying zones (part 51 of the strip opposite the first edge 15), and extends opposite the ribbon fixing 6 (part 52 of the band in particular vis-à-vis the face F4).
• face F4 the strip 5 stops here before the edge of the fixing part (by extension on the face F4, on the enamel 16 '.
• the protective adhesive strip 5 forms a tight barrier between the profiled bead 7 and the diodes 4 and between the profiled bead and the first edge by a portion 53 beyond the part 51 which extends until it is tacked on the edge B2 to the outer slice 25 preferably.
• the protective adhesive tape is a conformable adhesive tape (thickness), vinyl, for example PVC polyvinyl chloride, with an acrylic adhesive or polyimide for example a kapton ® with a silicone adhesive.
• a conformable adhesive tape thickness
• vinyl for example PVC polyvinyl chloride
• an acrylic adhesive or polyimide for example a kapton ® with a silicone adhesive.
• Scotch® Super 33 + TM 3M electrical insulating adhesive tape 0.18mm.
• the portion 53 allows or participates to avoid the propagation of stray light at the edge of the second sheet and thus the vision of this light from the outside of the side face F1).
• FIG. 1c shows a diagrammatic perspective and partial view of the diode fixing support according to the invention in the first embodiment.
• Each of the lateral bearing areas 32 forming an L-shaped section with the fixing portion 30a, by a fold 30b.
• the adjacent carrier areas 32 are separated by a slot-shaped aperture 33 (three apertures are shown and three carrier areas). With each opening, the diode support then follows the longitudinal curvature of the inner glazing.
• Each opening 33 is delimited by lateral internal walls 35, 35 'between the bearing zones and delimited by a bottom 34.
• the opening may be centered between the neighboring diodes 41. At least 0, 1 mm can be left between each diode and each inner side wall delimiting the nearest opening.
• the opening may be at least 0.1 mm wide as a notch in the diode support and for example at most the distance between the diodes minus 0.1 mm on either side of the two diodes .
• the fixing portion 30a forms an angle with the bearing zone 33 greater than 80 ° and even 90 °, 90 ° ⁇ 5 °, preferably 90 ° to 95 °.
• the crenel 33 may be rounded at the bottom 34 to prevent initiation of rupture.
• the front face Fi and the rear face Fe comprises a reinforcing layer 310, 31 1 at least at the level of the fold 30b to maintain the L-section which is preferably metallic as here copper (or even money or gold).
• reinforcing layer on the front face Fi 50 is part of the conductive circuit 31 of the diodes is part of a heat dissipation zone.
• the reinforcing layer on the rear face 50 ' is part of the conductive circuit 31' of the diodes 4 or on the rear face Fi 50 'of another optoelectronic component 4anotamment control of the diodes or is part of a heat dissipation zone .
• each reinforcement zone serves to keep the L-shaped section (the shape after folding) in order to orient the light rays (visible or UV).
• the outer glazing is made of plastic such as a polycarbonate (possibly with a black peripheral part)
• the inner glazing made of plastic such as a polycarbonate (possibly with a black peripheral part) or a PET, a PMMA.
• UV diodes are chosen, in particular in the UVA, for example to excite phosphors on the face 14.
• Figure 1d shows a sectional view of a diode attachment support in another embodiment of the invention, sectioned in a carrier zone of a diode, L-section support with a fold 30b.
• Each diode is a surface-mounted electronic component including at least one semiconductor chip 40, and is equipped with a peripheral envelope 42a (often called "packaging"), polymeric or ceramic, forming a peripheral encapsulation of the wafer 42a of the component electronic.
• a peripheral envelope 42a often called "packaging”
• polymeric or ceramic forming a peripheral encapsulation of the wafer 42a of the component electronic.
• the envelope may correspond to the maximum thickness (height) of the diode.
• the envelope is for example epoxy.
• the (polymeric) envelope may be opaque.
• the envelope may comprise a base portion 42 carrying the chip 40 and a reflector portion moving away from the base and higher than the chip, containing a protective resin 43 and / or a color conversion function material.
• the front emitter surface 41 may be defined as the surface of this material covering the recessed chip or at the "front" surface of the reflector.
• the anode and cathode contacts 44 are for example made by a conductive bonding on an electroconductive layer 31 on the front face 30 with an isolated zone 313.
• the contacts are prolonged by conducting holes (or "via hole” in English). in the base to layers areas 45, one 45 connected by a wire to the cathode.
• the rear face 30 ' may also include a reinforcing layer 31' and / or heat dissipation and / or forming a conductive circuit on the fixing portion 30a for example.
• FIG. 1 e represents a schematic view from above of the front side F4 14 of the vehicle diode light pane 1 in the first embodiment.
• FIG. 2 represents a schematic, partial sectional view of a light-emitting diode window 200 in a second embodiment of the invention.
• This luminous glazing 200 differs from the luminous glazing 100 in that:
• the protective strip is adhesive on the face F2 (on the enamel 16)
• a reflector cover (aluminum etc) or opaque 17 on the face F2 always extending into the groove 21 and starting for example in the plane of the diode support 3
• the masking layer on the face F4 is optionally removed and an electroconductive layer 18 for solar control or having another function (in particular a coating comprising ⁇ or a layer of SnO 2: F) is deposited.
• the layer 16a is optional.
• FIG. 3 represents a schematic, partial sectional view of a diode-type LED glazing unit 300 in a third embodiment of the invention.
• This luminous glazing 300 differs from the luminous glazing 100 in that:
• the protective strip 5 is adhesive on the face F2 (on the enamel 16) is here in two pieces 5a, 5b with a covering area of the two pieces, the second piece 5b is adhesive on the face F2 (part 54 on the enamel 16) the second piece 5b is a double-sided adhesive tape and is preferably opaque to avoid stray light, the first piece 5a surrounding the support with the part 52 may be transparent,
• the low index layer is removed on the face F3.
• a polymeric encapsulation 9 is added at the edge of the pane in contact with a free face of the profiled bead 7 (opposite, the furthest away from the diode support 3). This encapsulation ensures a long-term seal (water, product of cleaning). Encapsulation also brings a good aesthetic finish and allows to integrate other elements or functions (reinforcing inserts ).
• the encapsulation 7 is biface on the face F4 and the second edge 15 ', so preferably' flush '.
• the encapsulation 7 is for example black polyurethane, especially PU-RIM (reaction in mold in English). This material is typically injected up to 130 ° C and a few tens of bars.
• the encapsulation has been modified as follows:
• an EPDM tubing in other words, a closed cell sealing profile or a multiple lip seal profile, the profile crashing after mounting on the vehicle.
• FIG. 4 represents a diagrammatic partial sectional view of a light-emitting diode window 400 in a fourth embodiment of the invention.
• This luminous glazing 400 differs from the luminous glazing 100 by:
• the protective strip 5 is adhesive on the face F2 (on the enamel 16) via a portion 54 with a face 510 locally adhesively preferably:
• the lower index layer on the face F3 is optionally removed.
• Each of the lateral bearing areas 32 still forming an L-shaped section with the attachment portion 30a, by a fold 30b, and is extended by a return 36 to the spacer 2 for a total U-shaped section. It is preferred that the diode support 3 has a thickness of less than 0.1 mm in the peripheral groove and that it is set back from the edge of the interlayer.
• FIG. 5 represents a schematic, partial sectional view of a diode 500 light glazing unit in a fifth embodiment of the invention.
• This luminous glazing 500 differs from the luminous glazing 100 by:
• the masking layer may be removed in the face F4
• FIG. 6 represents a partial diagrammatic detail and sectional view of a light-emitting diode window 600 in a sixth embodiment of the invention.
• This luminous glazing 600 differs from the luminous glazing 500 by the section of the support 3 becoming a Z-type section (an L 3m and a return 3i in the opposite direction of the first edge), possibly using a rear wedge 39.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Lighting Device Outwards From Vehicle And Optical Signal (AREA)
• Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
• Laminated Bodies (AREA)
• Joining Of Glass To Other Materials (AREA)
• Non-Portable Lighting Devices Or Systems Thereof (AREA)
• Led Device Packages (AREA)
• Planar Illumination Modules (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=59031178

Family Applications (1)

Country Status (12)

Families Citing this family (5)

Family Cites Families (12)

• 2017
  • 2017-04-07 FR FR1753052A patent/FR3064941B1/fr active Active
• 2018
  • 2018-04-05 CN CN201880000963.8A patent/CN109070551B/zh active Active
  • 2018-04-05 WO PCT/FR2018/050853 patent/WO2018185438A1/fr active Application Filing
  • 2018-04-05 MX MX2019012011A patent/MX2019012011A/es unknown
  • 2018-04-05 RU RU2019135230A patent/RU2758046C2/ru active
  • 2018-04-05 MA MA049354A patent/MA49354A/fr unknown
  • 2018-04-05 EP EP18718618.4A patent/EP3606748A1/fr active Pending
  • 2018-04-05 US US16/603,107 patent/US11110857B2/en active Active
  • 2018-04-05 BR BR112019020286A patent/BR112019020286A2/pt not_active Application Discontinuation
  • 2018-04-05 JP JP2019554779A patent/JP7033147B6/ja active Active
  • 2018-04-05 KR KR1020197032578A patent/KR102480290B1/ko active IP Right Grant
  • 2018-04-05 CA CA3060075A patent/CA3060075A1/fr not_active Abandoned

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