EP3347199A1 - Leuchtende verglasungseinheit für fahrzeuge und herstellung davon - Google Patents
Leuchtende verglasungseinheit für fahrzeuge und herstellung davonInfo
- Publication number
- EP3347199A1 EP3347199A1 EP16775293.0A EP16775293A EP3347199A1 EP 3347199 A1 EP3347199 A1 EP 3347199A1 EP 16775293 A EP16775293 A EP 16775293A EP 3347199 A1 EP3347199 A1 EP 3347199A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- glazing
- vehicle
- optical fibers
- woven fabric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B17/067—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 fibres or filaments
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- 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
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- 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
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- 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
- B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
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- 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
- B32B17/10339—Specific parts of the laminated safety glass or glazing being colored or tinted
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- 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
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- 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
- B32B17/10788—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 ethylene vinylacetate
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- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/001—Double glazing for vehicles
-
- 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
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
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- 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
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
- B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
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- 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
- B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
- B60Q3/745—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps using lighting panels or mats, e.g. electro-luminescent panels, LED mats
-
- 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
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- 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
- B32B2250/00—Layers arrangement
- B32B2250/04—4 layers
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/10—Fibres of continuous length
- B32B2305/18—Fabrics, textiles
- B32B2305/188—Woven fabrics
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/406—Bright, glossy, shiny surface
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- 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
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
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- 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
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- 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
- B32B2605/08—Cars
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- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
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- 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
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- 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]
Definitions
- the invention relates to a vehicle glazing and more particularly to a vehicle light glazing and its manufacture.
- the light comes directly from the light emitting diodes inserted in the laminated glazing or the diodes are coupled optically to the inner glass wafer of the laminated glazing and the light is extracted after guiding in the inner glass on the innermost face of the inner glass.
- the document FR2899852 proposes a luminous glass roof with light-emitting diodes on the edge with patterns of extractions of the light on the glazing which also serve as means of occultation of the solar radiation to avoid the use of a curtain classic sun.
- the invention aims at an automotive glass roof - and more broadly any alternative vehicle glazing - combining a light function and an occultation function.
- the subject of the present invention is a luminous vehicle glazing, preferably a road, and in particular a roof, comprising
- a laminated glazing comprising:
- a first glazing preferably curved (curved), mineral glass (preferably tinted, including gray or green), with a main face called F1 intended to be external side of the vehicle and an opposite main face called F2, thick E1 preferably not more than 2.5 mm, even not more than 2 mm - in particular 1, 9 mm, 1, 8 mm, 1, 6 mm and 1, 4 mm - or even not more than 1, 3 mm or more than 1 mm ,
- a lamination interlayer of polymeric material (clear, extraclear and / or tinted in particular gray or green), preferably thermoplastic, side-face F2, of (total) thickness E0 of at most 2.2 mm better of at most 2 mm , of at most 1, 5 mm or even at most 1 mm, for example from sheets of 0.38 mm or 0.76 mm (2, 3 sheets or more), and possibly a particular central acoustic sheet
- a second glazing preferably curved (like the first glazing), made of preferably mineral glass, or even organic glass, with a main face called F3 laminating interlayer side and an opposite main face called F4, in particular intended to be on the inside of the vehicle, of a thickness ⁇ preferably not more than 2 mm, in particular 1, 9 mm, 1, 8 mm, 1, 6 mm and 1, 4 mm, or not more than 1, 3 mm or more than 1 mm, total thickness of the glazings being preferably strictly less than 4 mm, even at 3.7 mm, a light source (preferably one or more point sources, such as LEDs preferably electroluminescent -LED in English) at the periphery of the laminated glazing,
- a light source preferably one or more point sources, such as LEDs preferably electroluminescent -LED in English
- the laminated glazing according to the invention comprises between the face F2 and the face F3, a light woven fabric comprising (and even better constituted by) warp threads, weft threads and optical fibers in weft (preferably) and / or in warp, light woven fabric in particular of thickness E1 less than E0, preferably at most 1 mm, even at most 0.5 mm.
- the woven fabric comprises a first and / or a second luminous surface towards the first and / or second glazing, all or part of the optical fibers being suitable, via alterations at least in a portion located on one (outer) side of the woven fabric , to emit light laterally (thus substantially perpendicular to the longitudinal axis of the optical fiber) towards the first (thus the face F2) and / or the second glazing (and thus the face F3), all or part of the optical fibers exceeding (Preferably in sheet (s)) a first portion of the laminated glazing (and even a second portion of the laminated glazing opposite the first wafer).
- the first light source is connected to the first free ends of the optical fibers (preferably grouped together in a bundle (x)) - in particular the woven fabric covering a so-called textile surface (at least in part in the glass clear and even covering all the clear of glass) - even a second light source is connected to the second free ends of the optical fibers (double light injection).
- the woven fabric has openings between the warp yarns, the weft yarns and the optical fibers, and the laminated glazing passes a fraction of the solar radiation (mostly) via said apertures and has a clarity C (in the non-state). therefore off) at least 75% and preferably at least 85% and even more preferably at least 90%.
- the light woven fabric is part of the occulting means-in the sense that it blocks (by reflection and / or absorption) a fraction of the solar radiation.
- the light woven fabric is in optical contact with the faces F2 and F3 (thus no air gap), and even preferably embedded in a polymeric material, in particular embedded in the polymeric lamination material.
- the luminous vehicle glazing according to the invention thanks to the bright woven fabric allows a luminous design preserving a vision of the exterior - all the clear glass can be illuminated for example -.
- the bright woven textile also allows to illuminate at the same time close areas or even joined with different colors without mixing colors.
- the light woven fabric according to the invention is protected by external aggressions such as abrasion, liquids etc.
- a conventional (non-bright) woven fabric is a sheet of directionally distributed fiber-based yarns obtained by weaving or knitting.
- the weaving is the result of the intertwining, in the same plane, of threads arranged in the direction of the warp (hereinafter called warp threads) and threads arranged perpendicularly to the warp threads, in the direction of the weft ( hereinafter referred to as weft threads).
- warp threads threads arranged in the direction of the warp
- weft threads threads arranged perpendicularly to the warp threads, in the direction of the weft
- the binding obtained between these warp yarns and these weft yarns forms a pattern called armor.
- a bright woven fabric is obtained by weaving yarns and optical fibers.
- Such light woven textiles are for example described in applications WO2005 / 026423, WO2008 / 035010, and WO2008 / 087339.
- Bright woven textiles using in particular glass son are described in the application WO2014 / 202868.
- a laminated glazing unit with a luminous textile that is as transparent as possible is described in patent application WO2008 / 062141.
- the yarns make it possible to ensure the good cohesion of the whole of the light woven fabric and to confer, according to their nature, their size and / or their mechanical properties, particular properties to the light woven fabric.
- weft yarn or "warp yarn” includes all yarns or fibers other than optical fibers, that is to say all yarns or fibers which do not have the property of being able to emit laterally from light and therefore not directly connected or connectable to a light source.
- the preferred configuration comprising the optical fibers used as weft yarns makes it possible to allow a certain length of optical fibers to be left on the sides, that is to say at the edge of the luminous woven fabric, therefore at least the first wafer (and even the opposed slice said second slice). This allows the subsequent connection to the first light source.
- some warp threads which may be called background wires, do not interweave the optical fibers (and even opposite side to that of alterations) this for more light extraction.
- optical fibers and wires can be used as warp yarns and / or as weft yarns.
- the configuration including the optical fibers used as warp son allows for it to obtain lengths much greater than what the width of the loom does not allow with the optical fiber weft son.
- the openings form quadrilaterals (mostly and even at least 80%, 90%) convex (in particular rectangular, square), sometimes crossed (hourglass).
- Preferably 50% to 80% of the openings have a surface smaller than 5x5mm 2 better at 1 ⁇ ⁇ ⁇ (above the diffraction limit) and greater than 20 ⁇ ⁇ 20 ⁇ better at 40 ⁇ 40 ⁇ and even at 100 ⁇ 100 ⁇ " ⁇ , even better greater than 200 ⁇ 200 ⁇ .
- Clarity (reflecting the level of diffusion at small angles) is the most relevant parameter to evaluate the readability through the luminous glazing, as very fine details to see through the luminous glazing. Another known denomination is the clarity of image ("clarity" in English). Clarity is determined at an angle less than 2.5 °.
- the laminated glazing with the light woven fabric has a blur (in the non-illuminated / off state) which is at most 45% and even at most 40%, fuzzy reflecting the level of diffusion at small angles .
- ASTMD 1003 defines haze (or haze) as the amount of light that deflects an average of more than 2.5 ° from the incident light beam - expressed as a percentage.
- the sharpness and blur are preferably measured by a Hazemeter (such as BYK-Gardner Haze-Gard Plus) preferably according to ASTDM D1003 (without compensation) or ISO 13468 (with compensation).
- a Hazemeter such as BYK-Gardner Haze-Gard Plus
- ASTDM D1003 without compensation
- ISO 13468 with compensation
- Brightness and light transmission measurements can be made on light woven fabrics alone before laminating to preselect the ad hoc luminous woven fabric.
- the brightest surface of the light woven fabric - most often the portion with the alterations - is placed on the side of the glazing to be illuminated ("light exit glazing" which is the second or the first glazing) therefore:
- the first glazing for the outside of the passenger compartment of the vehicle (bezel, side, windshield ). It is preferable to avoid in the clear glass to intercalate any element (including a certain extent) coming to hide too many openings (for example at least 50% of the openings) of the bright woven fabric: coating (film, deposit etc) opaque, absorbing in the visible, reflective in the visible, or diffusing.
- the polymeric material (preferably the polymeric lamination material), which at least between the alterations and the face of the light exit glazing (the second or the first glazing), is clear even extraclear and / or said exit light glazing (the second or the first glazing) is clear even extraclair.
- the optical contact of the luminous woven fabric with the glazing is essential for the visual rendering and not to weaken the glazing.
- the light woven fabric is preferably laminated to the first and second glazings by the lamination interlayer to easily ensure the optical contact.
- the polymeric lamination material then also fills the openings of the bright woven fabric.
- the lamination interlayer is a sheet which has a recess in which the light woven fabric is placed and an additional adhesive material distinct from that of the sheet. is used on the front and back sides of the woven fabric (eg glue, double-sided adhesive, F2 and / or F3).
- the openings of the light woven fabric could be filled with material before lamination (by dipping etc.) and in particular by the polymeric lamination material.
- the bright woven fabric may preferably be embedded in plastic laminating material before being applied to the glazing (before lamination).
- the laminated glazing may comprise other, preferably discrete, functional elements, in particular on limited extents adapted in particular between the face F2 and F3:
- additional light source such as one or more (light-emitting) diodes
- the laminated glazing may also include other functional layers (antenna, heating etc.).
- the woven fabric is embedded (encapsulated) in the polymeric lamination material, for example from leaflets of the same polymeric nature (possibly of different grade, of different hue and / or thicknesses different).
- One of the sheets (in particular central) may have an acoustic function, and is for example of thickness between 0.5 mm and 1 mm.
- the surface of the laminating interlayer may be smaller than the surface of the laminated glazing, for example leaving a groove (in the frame), free, therefore not laminated, in particular of 1 or a few mm, under a masking zone (enamel, etc.) peripheral.
- vehicle means a vehicle:
- a road vehicle As a road vehicle is included a car, including a utility (van, van, estafette) less than 3.5 tons (light utility) or a truck, or bus.
- the preferred application is a road vehicle (car) in particular a roof (panoramic) -fixed or opening- a side window especially rear, a rear window or even a particularly panoramic windshield.
- Side windows (fixed or opening) can be in sliding doors.
- the luminous glazing forming a telescope may be in a rear door.
- the light woven fabric has an opening factor T 0 of at least 5%, better still at least 10% and preferably at most 50%, and even at most 40%. % to promote occultation and / or illumination.
- the opening factor T 0 is defined as the total area occupied by the openings on the area of bright woven fabric intended to be in the clear glass.
- the opening factor T 0 is, for example, evaluated on a surface which is a rectangle of length L cm (for example from 2 to 10 cm) and of width l> to 0.8 l. This surface preferably comprises at least 100 openings including at least 10 openings along the longitudinal axis of the fibers and at least 10 openings along the perpendicular to this axis. T 0 can be a mean value.
- the aperture factor can be evaluated directly by numerical analysis from a grayscale image under an optical microscope or after image processing preferably in grayscale.
- a histogram of the image is produced, that is to say a distribution of the intensities of the image.
- the histogram can reveal two bumps separated by low intensity dots (pixels).
- a black and white image representative of the light woven fabric is obtained. If necessary for more precision (fidelity), we can blacken one or more zones of yarn or fiber appearing abnormally white.
- the calculation of the opening factor T 0 counting of white, black pixels is carried out by numerical analysis.
- T 0 is the number of white pixels on the sum of whites and blacks.
- the aperture factor may preferably be constant or vary from one area to another of the bright woven fabric.
- the light woven fabric having a non-zero light transmission T L (in the clear glass), the ratio T 0 / T L is less than 1 and even at most 0.75 to promote the occultation and / or illumination and preferably the ratio T 0 / T L is at least 0.1, even at least 0.2.
- the bright woven fabric can be a single piece or a set of several pieces disjoint or joined.
- the vehicle light glazing may comprise a plurality of light woven textile areas of identical or different size and / or shapes also producing light surfaces of identical or / and identical and / or identical color and / or shape.
- the luminous woven fabric (one or more pieces) can cover a part or the whole of the clear glass or even the laminated glazing according to the desired effect (in the form of strips or even frame arranged on the periphery of one of the faces, in one or more logos or patterns, etc.).
- the luminous patterns can be of any geometric shape (rectangular, square, triangle, circular, oval, etc.), and can form a drawing, a sign.
- Said signage is based on iconic and / or linguistic semantics, that is to say using signs (numbers, pictograms, logos, symbolic colors ...) and / or a letter or words.
- the first (and / or second) light source, the alterations, the density of optical fibers can be adjusted for ambient lighting, reading, light signaling, night lighting or information display of any kind , drawing type, logo, alphanumeric signage or other signposting, and can also be activated by remote control (detection of the vehicle in a car park or other, indicator of (de) locking of doors), safety signaling, etc.
- the light may be continuous and / or intermittently, monochromatic and / or plurichromatic, white, etc.
- the light woven fabric according to the invention extends in the glass clear of the luminous glazing (non-opaque zone, not masked).
- at least 50%, better still at least 60%, or even at least 80% or at least 90% of the light woven textile extends in the clear glass and even through the distribution of alterations at least 50%, even at at least 80% or even at least 100% of the bright woven fabric in the clear glass form one or more light areas (lit together or not, of different colors or not).
- the light woven fabric extends over at least 50%, better still at least 60%, or even at least 80% or at least 90% of the clear glass and even through the distribution of the textile alterations, one or more zones.
- the light woven fabric is of dimension perpendicular to the optical fibers of at least 5cm.
- the (substantially) rectilinear optical fibers are preferably in weft and even substantially perpendicular to the first (straight or curved) wafer.
- the first slice is the longitudinal slice.
- the optical fibers extend outside the surface defined by the light woven fabric corresponding to the border of the light woven fabric, preferably in (adjacent) webs.
- the optical fibers may be braided or bundled in the form of beams so as to cooperate a plurality of free ends facing one and the same light source.
- manufacture of woven textile light and the connection of the optical fibers one can refer to the document FR2859737.
- the optical fibers are capable, once connected to the first light source, to emit light laterally by virtue of the presence of said invasive alterations along their surface, alterations present in all or part of the length of the optical fibers in the light of the light. window, in the laminated glazing.
- One or more optical fibers of the light woven fabric can be inactive by being unpowered or even without invasive alterations, thus forming one or more so-called dark lines and even dark zones that are more or less extensive (custom-made).
- Inactive optical fibers may be in groups, adjacent to each other, or alternately with "active" optical fibers. It is not essential to include inactive optical fibers in the layers and / or even. to make them exceed the laminated glazing. For example, the inactive optical fibers are cut off at the (output) edge of the first wafer.
- the optical fibers thus comprise invasive alterations, corresponding to notches or small slits, which allow the extraction of light at the level of the fibers because they modify the angle of reflection of the light rays inside the fiber and the lateral transmission of light outside the fiber.
- Optical fibers thus make it possible both to convey light within their structure but also to emit light laterally.
- the optical fibers are used to distribute the light within the light woven fabric in a distributed fashion and to diffusely illuminate the main surfaces of the light woven fabric.
- Invasive alterations can be obtained in various ways and in particular by abrasion processes such as sanding, etching or melting by means of high intensity light radiation such as a laser.
- Invasive alterations can be performed on the optical fibers before or preferably after weaving.
- the invasive alterations are obtained by sandblasting.
- an optical fiber (or a given group of optical fibers), the length of the carrier portion of the alterations is chosen according to the desired effect as well as the number of portions carrying alterations along this optical fiber.
- An optical fiber may have alterations on a first external side and a second optical fiber on the other outer side (second optical fiber from the same sheet, preferably for a double-sided fabric or a separate sheet, for example to form two adjacent light areas one towards the first glazing and the other toward the second glazing).
- alterations are chosen on the same external side, or even for the optical fibers of the plies situated on the first side of the alterations on the same external side, or even better for the optical fibers of all the tablecloths listed first slice and second slice of the alterations on the same outer side.
- the surface density or the size of the invasive alterations created from one zone to another of the woven fabric for example, to achieve a homogeneous illumination of the light woven fabric with a simple injection, by reducing the surface density on the zones nearby; of the first light source or to voluntarily obtain illumination gradients.
- the profile of the alterations is adjusted so that the light coming from the first light source is extracted in the first zone (closest to the first source, the first slice) forming the first half of the surface and that the light coming from the second light source is extracted at the same time in the second zone (closest to the second source, the second slice) forming the second half of the surface .
- optical fibers mono or bi-components, advantageously have a diameter (of heart or total):
- the thickness of the sheath is for example between 2 and 30 ⁇ - ⁇ , preferably from 5 to 20 ⁇ or even from 5 to 10 ⁇ .
- the density of optical fibers in optical fiber number per centimeter is preferably less than 30 and even more than 20 and preferably at least 5 and even at least 10.
- the product of the optical fiber diameter in millimeters and the density of the optical fibers in optical fiber number per millimeter is preferably from 0.15 to 0.825.
- the optical fibers are of diameter (in particular of core or total) of 200 to 300 ⁇ - ⁇ , according to a density of 5 to 21 and even to 25 optical fibers / cm or the optical fibers are of diameter of 450 to 550 ⁇ according to a density of at least 5 optical fibers / cm and at most 15 optical fibers / cm.
- the optical fibers therefore comprise free ends able to be connected (connectable therefore) or arranged facing a first (or even second) light source to transmit the light and emit light laterally at the level of alterations.
- the luminous glazing may comprise an optical collector comprising:
- an envelope which is a crimped metal ring (for example made of aluminum) (preferably at least a distance of 4 mm and at most 8 mm) and then not crimped (preferably over at least a distance of 3 mm and at most 6mm) gathering and maintaining the ends of the optical fiber strand (circular type, hexagonal).
- a metal shell (for example made of aluminum) combining the optical fibers on a (substantially) circular surface of RINT around 2.5 mm and optical fibers (for example organic) with a diameter of 500 ⁇ m will be preferred.
- a strand comprises:
- optical fibers for optical fibers with a diameter of approximately 500 ⁇ m typically between 470 and 530 ⁇ m
- at most 100 optical fibers for optical fibers with a diameter of approximately 500 ⁇ m typically between 470 and 530 ⁇ m
- at most 600 optical fibers for optical fibers of diameter between 200 ⁇ and 300 ⁇ .
- optical fibers chosen in particular identical may be of circular section, or substantially circular, or even hexagonal, or even partially circular and partially hexagonal, particularly at a crimp zone of the envelope.
- the collector may comprise optical fibers (in the casing preferably crimped) of average power per fiber, preferably between 0.35% and 0.46% of the flux emitted by the source (LED) for fibers having a diameter of about 500 ⁇ m. (typically between 470 and 530 ⁇ - ⁇ ), or average power per fiber between 0.075% and 1.35% of the flux emitted by the source (LED) with a diameter between 250 ⁇ and 750 ⁇ " ⁇ .
- optical fibers in the casing preferably crimped
- average power per fiber preferably between 0.35% and 0.46% of the flux emitted by the source (LED) for fibers having a diameter of about 500 ⁇ m. (typically between 470 and 530 ⁇ - ⁇ ), or average power per fiber between 0.075% and 1.35% of the flux emitted by the source (LED) with a diameter between 250 ⁇ and 750 ⁇ " ⁇ .
- the light glazing may include an optomechanical light injection system, a lens, a peripheral reflective surface surrounding the lens, the optical collector preferably having a symmetry of revolution which comprises a strand (circular, hexagonal, ..) of optical fibers, an alignment member of the optical collector to the optical coupler, the optical coupler and the alignment member being in one piece or fixed together directly or indirectly.
- the optical lens may be interposed between the light source and the ends of the optical fibers to focus the light on said ends and limit the light transmission losses.
- Concerning the optomechanical system reference may be made to patent FR1357461.
- the optical fibers may be formed of a mineral or organic material and be mono or bi-component.
- the inorganic materials are, for example, chosen from the group comprising glass, quartz and silica.
- the organic materials are, for example, chosen from the group comprising polymethyl methacrylate (PMMA), polycarbonate (PC), cycloolefins (COP) and fluoropolymers.
- a sheath can come to cover the optical fibers to protect them.
- the optical fibers are made of two materials and have a core covered with a sheath which can be of different types. These structures are also called the heart-bark structure.
- fibers comprising a core of polymethylmethacrylate (PMMA) and a sheath based on a fluorinated polymer such as polytetrafluoroethylene (PTFE).
- PMMA polymethylmethacrylate
- PTFE polytetrafluoroethylene
- the mineral optical fibers there may be mentioned single-component optical fibers based on silica or two-component comprising a silica core and a polymer sheath.
- This type of optical fiber partially or completely mineral nature allows to further increase the proportion of mineral materials in the woven fabric and facilitates the lamination.
- the distribution between weft yarns and optical fibers in weft is, for example, 1/1, 1/3, 2/1.
- the woven fabric may be organic and / or mineral (in particular glass yarns and fibers, silica).
- the yarns may comprise a combination of yarns of a different nature such as yarns based on organic, metallic or mineral fibers and other fibers made of glass.
- the yarns may be of specifically treated polymers such as TREVIRA® polyester yarns.
- the yarn can also be made of polyamide or lurex® (metalloplastic).
- the wires are defined by their TEX or dtex or linear density.
- the TEX corresponds to the mass in grams of 1000m of yarn.
- the dtex corresponds to the mass in grams of 10000m of yarn.
- the weft yarns of synthetic nature (polyamide, polyester, lurex, etc.) preferably have a titre in a range from 50 to 200 dtex.
- the warp yarns of synthetic nature (polyamide, polyester, lurex, etc.) preferably have a title of at most 80dtex and even at most 30dtex.
- the weft yarns are opaque (whites, etc.), less dense than the warp yarns, which are preferably transparent and even thin.
- the warp yarns are opaque and even thin.
- chain yarns in particular polymeric yarns, in particular transparent yarns, have a yarn density of between 30 and 60 cm -1 and / or a titer of 10 to 70 dtex and even of 20 to 30 dtex,
- the weft yarns in particular polymeric yarns, especially reflecting, tinted or opaque yarns (whites, blacks, etc.), have a yarn density of at most 25 cm -1 (especially at most 18 or 15 cm -1). if the optical fibers have a diameter of 450 to 550 ⁇ m or a maximum of 21 or 20.5 cm -1 if the optical fibers have a diameter of 200 to 300 ⁇ m and / or a title of at most 300 dtex or not more than 200dtex.
- the glass yarns used in weft yarn have, in order of increasing preference, a titre greater than 34 TEX, between 50 and 800 TEX, between 100 and
- the glass yarns used in warp yarn have, in order of increasing preference, a titre greater than 34 TEX, between 50 and 800 TEX, between 60 and 250 TEX, between 60 and 140 TEX, between 60 and 80 TEX .
- All or part of the weft and / or warp threads may be reflective, especially metalloplastic, or tinted, especially opaque, preferably white or black.
- the weft or warp threads are white and the optical fibers transparent.
- the woven fabric is therefore often white.
- the bright woven fabric may advantageously comprise color patches that can be obtained by means of the light sources used to illuminate the optical fibers (for on / bright state) but also by coloring the different weft or warp threads.
- color means the use of yarns which are dyed in the mass or coated with a colored layer before being woven, or else printing after weaving by processes such as screen printing or jet printing. ink the woven fabric of a colored pattern.
- the woven fabric can be white (by the threads) or tinted another color (black included) through the use of tinted or coated before weaving.
- the bright woven fabric may comprise at least one decorative light pattern (logo etc) or signage in particular a pictogram located on at least a portion of the surface of the light woven fabric capable of emitting light.
- the decorative pattern can be obtained by performing the step of creating invasive alterations on said portion of the surface of the woven fabric provided for the decorative pattern.
- the pattern is for example made using a mask or a stencil before the treatment for the extraction of light.
- the formed product can provide customized woven textiles.
- the woven fabric may comprise a decorative motif called "textile” or a decorative armor including a jacquard pattern.
- the term "jacquard pattern” a pattern obtained by making a woven fabric combining several types of weave in the same woven fabric. By using colored threads, jacquard armor allows very complex patterns and even image reproduction (LOGO etc).
- a jacquard pattern therefore corresponds to a pattern created by a change of weave or color in an area of the woven fabric.
- the decorative pattern may define a logo or signage, resulting directly from the weaving of areas with differences in surface density of optical fibers.
- the jacquard pattern can be either treated in positive mode (bright pattern on background off) or negative (non-bright pattern on bright background).
- the woven fabrics of the invention may comprise an armor chosen in particular from canvas, serge, satin or jacquard woven fabric armor.
- the weave is chosen to maximize the proportion of optical fibers emerging on the face used as the main luminous surface of the bright woven fabric.
- the woven fabric comprises at least one part woven according to a serge weave and even a satin weave.
- the satin weave is chosen from satin weave 4, satin 6, satin 8, satin 10 and satin 12.
- first and second glazings are preferably both made of mineral glass.
- glass materials include float glass (or float glass) of conventional soda-lime composition, optionally hardened or tempered thermally or chemically, an aluminum or sodium borosilicate or any other composition.
- float glass or float glass
- the first glazing as the second glazing is preferably curved or curved. It can be parallelepipedic, with rectangular, square, or even other forms (round, oval, polygonal). It can be of different sizes, and in particular of large size, for example of surface greater than 0.5 or 1 m 2 .
- the decorative or descriptive motif (letter, pictogram drawing, etc.) is for example 5 cm high (perpendicular to the first slice, the axis of the fibers) with - one or more light geometrical sub-motifs of at least 0.5 mm (and not more than 2 mm and even 1 cm) in a dark area and / or in a dark background
- - one or sub-patterns (geometric, extended or point etc.) dark at least 0.5mm (and at most 2 mm and even 1 cm) in a bright background.
- the first and / or second 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 glass soda-lime such as Planilux® from Saint-Gobain Glass, or extra-clear (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 Saint-Gobain Glass Diamant® glass, or Pilkington Optiwhite®, or Schott B270®, or other composition described in WO04 / 025334.
- a clear glass light transmission T L greater than or equal to 90% for a thickness of 4 mm
- a standard composition glass soda-lime such as Planilux® from Saint-Gobain Glass
- extra-clear T L greater than or equal to 91.5% for a thickness of 4 mm
- the glass of the first and / or second glazing may be neutral (without coloration), or (slightly) tinted in particular gray or green, such as VENUS glass or TSA from Saint-Gobain Glass.
- the glass of the first and / or second 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 first and / or second tinted glazing advantageously has a light transmission ranging from 1.0% to 60.0% (in particular from 10.0% to 50.0% and especially from 20.0% to 40.0%). .
- the tinted glazing be on the opposite side to that desired for the (main) light output.
- the first glazing made of mineral glass, is preferably tinted. If it is desired that the glasses (first and second glazing) have the same shade, especially clear or extraclair, for example to facilitate production semi-hardened process, the woven fabric can help to catch a shade "lost" of outer glass (untinted).
- 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.
- Table A below gives examples of glass sold by the Applicant.
- SGS THERMOCONTROL ® Absorbing / Venus glass improves thermal comfort by absorbing the energy charge in the mass of the glass. These glasses are divided into two categories: “Vision” (Light Transmission> 70%) and “Privacy” (Light Transmission ⁇ 70%).
- 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 transmittance 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 roof.
- SGS THERMOCONTROL ® Venus consists of dark gray or dark green stained glass. They have all the thermal advantages of the "Vision" type glass (SGS THERMOCONTROL ® Type) with improved sun protection:
- the first glazing is made of mineral glass and the second glazing is made of organic glass (such as PC, PMMA, cycloolefin copolymer (COC) or polyethylene terephthalate (PET) optionally protected by a coating (opposite F4).
- organic glass such as PC, PMMA, cycloolefin copolymer (COC) or polyethylene terephthalate (PET) optionally protected by a coating (opposite F4).
- the luminous glazing 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 T L may be low, for example, at most 10% and 1 to 6%.
- the T L may preferably be at least 70% and even at least
- tissue locally and peripherally (upper or lower part or even left or right part), especially in an area with no minimum threshold required for TL).
- the T L can be for example at most 70%.
- the laminated glazing may also include a reflective or radiation absorbing layer.
- solar preferably face F4 or face F2 or F3, in particular a transparent electroconductive oxide layer called TCO layer (face F4 preferably) or even a thin film stack comprising at least one TCO layer (in face F4 for example), or stack of thin layers comprising at least one layer of silver (F2 or F3) or any other functional metal layer, the or each layer of silver being disposed between dielectric layers (d). oxide and / or metal nitrides or silicon for example).
- 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 means the normal emissivity at 283 K in the sense of EN 12898.
- 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 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: high index underlayer / low index underlayer / optional TCO layer / dielectric overcoat.
- 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 first and / or second glazing is tinted (preferably at least the first glazing, especially if it is a roof)
- TCO -conductor
- TCO including a thin film stack with TCO layer or a thin film stack with silver layer (s)
- the lamination interlayer is tinted on all of its thickness (especially outside the side of the brighter surface, often the one with the alterations)
- an additional film polymeric, such as a polyethylene terephthalate PET, etc.
- polymeric such as a polyethylene terephthalate PET, etc.
- submillimetric thickness such as at most 0.3 mm, tinted is between the faces F2 and F3 or (bonded) at F4 or even opposite F1 .
- the face F4 of the laminated glazing unit in particular a glazed roof, is coated with a transparent functional layer, in particular a low emissivity layer, preferably comprising a TCO layer, of which a zone (electrically powered, therefore an electrode) forming a tactile button (to control the first light surface).
- a transparent functional layer in particular a low emissivity layer, preferably comprising a TCO layer, of which a zone (electrically powered, therefore an electrode) forming a tactile button (to control the first light surface).
- the lamination interlayer may be made of polyvinyl butyral (PVB), polyurethane (PU), ethylene / vinyl acetate copolymer (EVA), formed from one or more films, for example having a thickness between 0.2mm and 1.1mm.
- PVB polyvinyl butyral
- PU polyurethane
- EVA ethylene / vinyl acetate copolymer
- the lamination interlayer in particular based on polyvinyl butyral (PVB), may have a cross section decreasing wedge-shaped from the top to the bottom of the laminated glazing, in particular to avoid a double image in the case of a head-up display (HUD), especially in a windshield (including road vehicle).
- PVB polyvinyl butyral
- the interlayer may comprise at least one so-called central layer of viscoelastic plastic material with vibro-acoustic damping properties, in particular based on polyvinyl butyral (PVB) and plasticizer, and the interlayer, and further comprising two layers External PVB, the central layer being between the two outer layers.
- one or both outer layers has a cross-sectional area decreasing in wedge form from the top to the bottom of the laminated glazing, the layer of viscoelastic plastic material with vibro-acoustic damping properties having a constant cross section from the top to the bottom. bottom of the laminated glazing.
- PVB polyvinyl butyral
- the layer of viscoelastic plastic material with vibro-acoustic damping properties having a constant cross section from the top to the bottom. bottom of the laminated glazing.
- the lamination interlayer has a layer of EVA (or PU) or is only EVA (or PU) because it has a good creep capacity.
- the lamination interlayer has a layer of PVB, especially acoustic or is only PVB because it is preferred in the automobile.
- the marginal zone of the laminated glazing (from the first slice of the laminated glazing towards the clear glass) may comprise a masking element (opaque) such as an often black enamel masking layer (face F2 and / or F4 or else face F3 and face F4 or again F2 and / or F3) all or part of the length of the optical fibers masked by the masking element does not carry alterations (to get out the light).
- the masking width is in a range of 1 and 20 cm, especially 1 to 10 cm and even 1 to 5 cm.
- an enamel layer (or any other masking layer) at least opposite F2.
- the opening side window (sliding) - rear - does not always include an enamel type masking area.
- the custode has one more often.
- a masking layer may be a black enamel layer, a paint or opaque ink layer, or a tinted or painted polymer layer (eg printed PVB), for example polyethylene, polymethylmethacrylate.
- the first layer opposite F2 and that F3 or F4 are preferably made of the same material and even enamel.
- the masking element can also be (alternatively or cumulatively to a layer) an element reported as a premounted joint etc. There is most often black enamel around a glazing that is not sliding but glued or encapsulated. The seal can be attached to it.
- the luminous woven fabric can be extended into a textile strip formed of the warp and weft threads dissociated from the optical fibers ( in weft), for example over a width l D of 0.5 to 2.5 cm.
- This textile band can protect the optical fibers during integration into the vehicle or during the various manipulations or serve during the browsing.
- the light woven fabric may be extended into a textile strip formed of the warp and weft son separated from the optical fibers (in weft) , for example over a width l D of 0.5 to 2.5 cm.
- the light woven fabric can be extended into a textile strip formed of the warp and weft threads over a width D of 0, 5 to 1 cm or wider.
- the surface of the laminating interlayer may be smaller than the surface of the laminated glazing, for example leaving a groove (in a frame or strip), thus free, not laminated, of a few mm under an opaque / masked zone (enamel etc.) peripheral .
- the optical fibers - possibly without alterations - can be spaced from the glazing or in non-adhesive contact.
- the textile optionally with the textile web in the woven fabric without the optical fibers, strip above the optical fibers (optionally without alterations) which can be spaced apart from the glazing or in non-adhesive contact.
- the warp and / or weft threads are not all transparent to promote opacity.
- the vehicle preferably road light glazing (car etc.) is a glazed roof (preferably panoramic) or even a windshield
- the first slice of the laminated glazing is preferably a longitudinal slice
- the alterations of the optical fibers (in weft) being preferably towards the second glazing.
- the first light surface can be full and / or bright patterns.
- the alterations form, for example, one or more light zones controlled statically in dynamics, in common or individually.
- the light zone can form a mood light (with light patterns for example), a reading light, decorative or descriptive elements, pictograms ...
- the glazed roof according to the invention can be opening or fixed.
- panoramic windshields extend over a so-called upper part, up to the top of the driver, so seats (or bank) before.
- the upper part is considered to form a glazed roof according to the invention.
- the luminous glazing is a glazed roof (preferably of a road vehicle)
- the first slice of the laminated glazing is preferably a longitudinal slice
- the alterations of the optical fibers (in weft) preferably being towards the second glazing
- the first light surface towards the second glazing forming at least one of the following light areas: a luminous zone including a signage, particularly in letter (s) and / or pictogram (s), in particular for network connectivity, co-pilot side or rear passenger (s)
- a light zone on the driver's side, or even a pilot-side capable of producing a light whose spectrum is adapted against falling asleep (bluish light likely to induce visual effects), for example with a spectrum between 447 and 476 nm.
- the luminous woven fabric may be located in the upper or lower part and / in the lateral part (left and / or right) of the windshield .
- the luminous glazing may be a windshield (preferably a road vehicle)
- the first slice of the laminated glazing is preferably a longitudinal slice
- the alterations of the optical fibers in the weft preferably being towards the second glazing
- the first light surface towards the second glazing forming at least one of the following light areas:
- a luminous zone comprising a sign, in particular in letter (s) and / or pictogram (s), in particular for the connectivity to the communication network
- a luminous zone including a signage, in particular on the driver's side of driver assistance or alerting, in particular on vehicle data (petrol, lights, etc.) or traffic, in particular in letters and / or pictograms,
- a light zone on the driver's side, or even a pilot-side capable of producing a light whose spectrum is adapted against falling asleep (bluish light likely to induce visual effects) for example with a spectrum between 447 and 476 nm.
- the luminous vehicle glazing (preferably road) including a glazed roof, a rear window or a windshield
- the optical fibers weft also exceed the second portion of the laminated glazing opposite the first portion preferably longitudinal (in sheet (s)), a second light source being connected to the second free ends of the optical fibers (grouped in beam (x) preferably). This second light source is controlled independently or coupled with the first light source.
- the laminated vehicle glazing (road preferably) forms a laminated side window, preferably rear, optionally coated with a transparent heating and / or solar control layer (for example Climacoat layer of Saint-Gobain, or Coolcoat of Saint-Gobain),
- a transparent heating and / or solar control layer for example Climacoat layer of Saint-Gobain, or Coolcoat of Saint-Gobain
- the alterations of the optical fibers (in weft) being preferably towards the second glazing, the first light surface towards the second glazing forming at least one of the following light zones:
- a luminous zone comprising a sign, preferably pictogram (s) and / or letter (s), in particular for network connectivity, passenger side (s) rear (s),
- the optical fibers (in weft) preferably to the first glazing preferably to the first glazing, the first light surface to the first glazing forming at least one of the following light areas:
- a light marking of the vehicle (road) when stopped for example for a detection in a parking lot (in particular on a peripheral strip or around the glazing)
- warning sign in the event of a breakdown or accident, for example the red exclamation mark pictogram in a triangle in red
- a sign including pictogram (s) and / or letter (s) on the state of availability of the vehicle such as a taxi or a shared (road) vehicle, for example a word (taxi etc.) in green (if available) or in red (if busy)
- the laminated glazing is a rear window, optionally coated with a transparent heating layer and / or solar control,
- the alterations of the optical fibers (in weft) are preferably towards the first glazing, the first light surface towards the first glazing forming at least one of the following light areas: - a luminous area forming a signaling or luminous signage - in static or in dynamic mode - such:
- a decorative light zone (for the signature of the vehicle) occupying all the clear glass (alone or with a peripheral signage etc).
- the color of the son can be matched to that of the bodywork or the interior.
- the term dark opposes bright (in the on state).
- An area, dark surface can be of any color.
- the first (and / or second) light source may comprise one or more point light sources, in particular light-emitting diodes, laser diodes, arranged opposite optical fiber free ends, at the edge of the woven fabric.
- the first light source and / or the second) can be extended such as incandescent lamps, fluorescent tubes or discharge tubes incorporating a gas such as neon arranged opposite a plurality of free ends of optical fiber.
- one or more sensors related to the environment and / or the luminous glazing can be associated with the first (and / or second) light source and / or the supply system of said glazing. It is possible to use, for example, a brightness detector (photodiode, etc.), a temperature sensor (outside or integrated, in the laminated glazing unit, etc.), the sensor used controlling, for example, feeding the first (and / or second) light source via a computer or central unit. It is possible to define a measurement value of the sensor (maximum brightness, for example) beyond which the luminous glazing ceases to operate one of its functions (light extraction or activation of the light sources in particular).
- the luminous glazing or a its functions can be controlled via the information received from the sensor (s).
- the function of the luminous glazing can also be "forced" by the user by deactivating the sensors.
- the sensors can be inside (eg of the road vehicle) or outside.
- the management of the luminous glazing according to the external environment makes it possible, for example, to automatically adapt the lighting intensity of the glazing to the external luminosity conditions, without the user intervening.
- the power supply to the first (and / or second) light source can for example be controlled by the central computer of the vehicle allowing or not their ignition according to the information received from the light sensor placed for example in the part windshield or on glazing such as a roof.
- the brightness value exceeds the maximum value, not causing the ignition of the first (and / or second) light source; in low light conditions (night), the maximum value is not reached, the activation is then operated.
- the vehicle light glazing may therefore include means for modulating the power according to at least two configurations: a configuration for night vision, and a configuration for day vision.
- the invention also relates to a method for manufacturing the vehicle light glazing as described above comprising a lamination step with the woven fabric, preferably between (at least) two sheets of polymeric lamination material, at a temperature of at most 100.degree. C., even at most 90.degree. C., and even at most 80.degree. C. or at most 70.degree. C., to avoid any shrinkage of the light woven fabric, particularly when the light woven fabric comprises fibers organic optics (polymeric).
- the first and two windows are curved (curved).
- the lamination is carried out without autoclaving or with a suitable cycle with pressure.
- two solid sheets at least
- EVA or PVB EVA or PVB
- the light woven fabric is sandwiched directly between these two full sheets (single sheet or stack of sheets of different colors, for example, or the same color). for more thickness or thickness).
- the recess preferably extends to the first slice.
- Figure 1 shows a schematic longitudinal sectional view of a motor vehicle light glazing with a light woven fabric, forming for example a glass roof, in a first embodiment of the invention
- FIG. 2 represents a schematic sectional view of a motor vehicle light glazing with a light woven fabric, forming for example a glazed roof, in a second embodiment of the invention
- Figure 1a is a schematic side view of a motor vehicle with the light glazing of Figure 1 in the off state;
- Figure 1b shows a schematic side view of a motor vehicle with the light glazing of Figure 1 in the state on (bright);
- FIG. 2a represents a schematic view of the interior of a motor vehicle whose luminous glazed roof comprises a luminous woven fabric
- Figure 2b is a schematic top view of the illuminated glazed roof of Figure 2a and Figure 2c is a schematic top view of the light woven fabric of the glazed roof of Figure 2a;
- FIG. 3 represents a schematic view from above of a light woven fabric according to the invention.
- Figure 3a shows a schematic top view of a vehicle light glazing, forming a luminous glass roof, with a light woven fabric according to the invention
- Figure 3b is a schematic top view of a vehicle light glazing, forming for example a bright glass roof, with a light woven fabric according to the invention
- FIGS. 4a, 5a, 6a, 7a, 8a, 9a each show an optical microscope image of light woven textiles according to the invention and FIGS. 4b, 5b, 6b, 7b,
- FIG. 8b, 9b each represent a treated image of light woven textiles according to the invention
- Figures 4c and 7c each represent a histogram of the image shown respectively in Figure 4a and Figure 7a;
- FIGS. 10a and 10b illustrate first and second modes of lamination with a light woven fabric according to the invention
- FIG. 11 is a diagrammatic view from behind and from the side of a motor vehicle with luminous glazings with luminous woven textiles according to the invention, forming respectively rear window, sliding rear side glazing and quarter panel.
- FIG. 12 represents a schematic view from above and from the side of a motor vehicle whose panoramic windshield includes a light woven fabric according to the invention in an upper part of the windshield forming a glazed roof.
- Figure 1 shows a schematic longitudinal sectional view of a light glazing 100 of a road vehicle (preferably car) with a bright woven fabric 3, forming a glazed roof, in a first embodiment of the invention. It comprises a laminated glazing with main faces called F1, F2, F3 and F4 going from the outside to the inside of the vehicle, and comprises:
- a first curved glazing 1 the outermost, for example rectangular, mineral glass, having a first main face 1 1 corresponding to the face F1 and a second main face 12 which is the face F2, preferably tinted, so with a composition for a tinted solar control function horn VENUS VG10 or TSA 4+ glass sold by the company Saint-Gobain Glass, of thickness equal for example to 2.1 mm,
- a lamination interlayer 2 for example made of PU, EVA, or PVB, preferably with a haze of at most 1.5%,
- a second glazing 1 ' curved, of the same dimension as the first glazing, for example a clear or extraclear silicosodocalcic glass sheet, such as Planilux or Diamond glass sold by Saint-Gobain Glass with an internal main face or so-called laminated face 13 face F3, and another main face 14 corresponding to the face F4.
- a clear or extraclear silicosodocalcic glass sheet such as Planilux or Diamond glass sold by Saint-Gobain Glass with an internal main face or so-called laminated face 13 face F3, and another main face 14 corresponding to the face F4.
- the laminated glazing unit further comprises a light woven fabric 3 comprising warp (polymeric and / or glass) yarns 31, weft yarns (not shown here, polymeric and / or glass) and polymeric optical fibers and / or glass preferably in weft.
- the light woven fabric 3 comprises a first luminous surface towards the second glazing, the optical fibers being suitable, via alterations at least in one portion located on an outer side (preferably to the face F3 here) of the woven fabric, to emit light laterally to the first glazing (and also to the second glazing).
- the optical fibers protrude from a first wafer of the laminated glazing, preferably the longitudinal wafer (not visible here) and are grouped into one or more beams.
- a first light source in the form of a set of LED or laser diodes (one diode per beam) at the periphery of the laminated glazing is connected to the first free ends of the optical fibers.
- the woven fabric 3 having openings between the warp yarns, the weft yarns and the optical fibers, the laminated glazing passes a fraction of the solar radiation through the apertures and has a C clarity of at least 75%, preferably at least 85%.
- the light woven fabric has an opening factor T 0 of at least 5%, and even at least 10% and preferably at most 50%.
- the light woven fabric having a non-zero light transmission T L , the ratio T 0 / T L is less than 1 and even at most 0.75 and preferably at least 0.1.
- the laminated glazing with the light woven fabric has a blur of not more than 45% and not more than 40%.
- the optical fibers have a diameter (for example total) of between 100 and 1000 ⁇ m and better still from 200 to 550 ⁇ m. All or some of the weft and / or warp yarns are for example reflective, in particular metalloplastic, or tinted, in particular opaque ones. preferably white or black.
- the transparent warp yarns have a yarn density of between 30 and 60 cm -1 and a titer of 10 to 70 dtex and even 20 to 30 dtex
- the weft yarns opaque, have a yarn density of at most 25 cm -1 and even a title of at most 300 dtex.
- the light woven fabric 3 is part of said means of occultation of solar radiation, as shown in fig 1a.
- the bright woven fabric 3 brings the lighting function (atmosphere, reading, decorative signage, signage etc) as shown in fig 1 b.
- the light woven fabric is in optical contact with the faces F2 and F3, being embedded in the lamination interlayer 2.
- the glass roof is provided with a masking frame (or at least one or more peripheral marking strips) via two layers of black enamel masking 4, 4 'on the faces F2 and F4.
- the glazed roof can be fixed or even opening.
- the woven fabric 3 may occupy all or part of the clear glass, in one or more strips preferably each opening (even exceeding) of the first portion (longitudinal) and even possibly the second portion (longitudinal).
- This laminated light glazing can alternately form a panoramic windshield, a rear window (sliding and / or rear quarter), a side glazing (rear or even front).
- the vehicle luminous glazing 100' differs from that described in FIG. 1 by the fact that a low emissivity layer 5 is added on the face F4, for example a stack of thin layers comprising a TCO layer, preferably of ITO or in Sn0 2 : F.
- This layer 5 may further have a touch button electrode area for turning on / off the light function of the woven fabric.
- Figure 2a shows a schematic view of the interior of a motor vehicle with a bright glazed roof with a bright woven fabric 200 in the off state.
- the glazed roof 200 For an optimal anti-glare effect, it is preferred to cover all the glass clear of the glazed roof 200 surrounded by the masking frame 4 as shown in this figure 2a, which does not prevent a clear distinction between the outside.
- the glazed roof is panoramic extends from both sides and above the 1 10 front seats.
- Figure 2b shows a schematic top view of the glazed roof of Figure 2a in which is indicated the extent of the masking frame 4, peripheral clear glass 45, for example enamel black.
- the masking 42 side windshield is thicker than masking 44 side bezel.
- the longitudinal masks 41 and 43 are identical. The longitudinal edges are curved, from the corner A bezel side at the corner B side windshield the edge is becoming thicker.
- Figure 2c shows a schematic top view of the light woven fabric of the glazed roof of Figure 2a and in connection with Figure 2b.
- the optical fibers (in weft) of the fabric 3 open on the two longitudinal slices of the roof, here in two times seven plies 33, 33 '(adjacent) then grouped in two folds seven strands 34, 34', for a double injection of light for example via two times seven sets of LEDs of the same color or not.
- the assembly 35 or 35 'of the strands 34, 34' can receive an identical or different light, at the same time or not for light effects or to individualize the light areas. For example, the lighting is homogeneous on all the clear glass.
- the optical fibers do not include invasive (unnecessary) alterations, thus forming so-called dark bands 61, 61 '(dashed line in Figure 2b) of width lo for example a few cm.
- the alterations can be started under the precautionary masking of at most 1 cm before its internal limit C.
- the sides 62 and 62 'of the textile are preferably under the masks 44, 42.
- Figure 3 shows a schematic top view of a connectable bright woven fabric 300 in a variant of the textile of Figure 2c.
- the bright woven fabric 3 differs in that it extends:
- Figure 3a shows a schematic top view of a vehicle glazing 400, forming for example a glazed roof, with a bright woven fabric 3 according to the invention.
- the vehicle light glazing 400 differs from that described in FIGS. 2b and 2c by the number of plies and strands and the choice of the light zones.
- a first layer 33a driver side (here high side in the figure) is closest to the windshield, in the clear glass, the first light surface 61 of the woven fabric 3 forms a reading light, or a mood light or even a bluish light against falling asleep then preferably in the field of vision of the driver.
- another first web 33a co-pilot side (here side down in the figure) closest to the windshield, the first light surface 61 'of the woven fabric 3 forms a reading light, or a mood light or even a bluish light against falling asleep (for a contotage etc).
- the two strands 35a and 35'a are connected to two LEDs (not shown) driven independently.
- the first light surface 62 of the woven fabric 3 may be a reading light or an ambient light.
- the first luminous surface 62 of the woven fabric 3 may be a reading light or a mood light.
- the two times three strands 35b and 35'b are connected to two times three LEDs (not shown).
- the first light surface 62 of the woven fabric 3 may be a luminous signage such as for example a pictogram for receiving an SMS or enamel 63 or network access 63b.
- the first light surface 62 of the woven fabric 3 may be in the same way a sign such as for example a symbol of receipt of a sms or mail (message electronic) 63c.
- the two strands 35c and 35'c are connected to two LEDs (not shown).
- the first light surface 62 of the woven fabric 3 may be a decorative light 64 in a network of decorative patterns 64a (for example geometric).
- the first light surface 62 of the woven fabric 3 can also be a decorative light in a network of decorative patterns 64 '(for example geometric).
- the strands 35d and 35'd are connected to independently controlled diodes.
- the webs can be as here are adjacent (connected at a point P1, P2, P3) or be spaced from each other.
- FIG. 3b shows an example of vehicle luminous glazing 500 with two pieces 3a and 3b of light woven textiles whose first luminous surfaces 501 and 502 are disjointed, for example, a room light.
- two webs 33, 33 ' are used twice as strands 35, 35'.
- the light areas 501 and 502 are spaced apart by a zone 503, called a dark zone (non-luminous) which is a part of the one-piece woven fabric whose optical fibers are not connected to a diode (but could be) or alternatively are cut out of the slice.
- the zone 503 can also be a non-textile zone with additional occultation means or not.
- luminous laminated vehicle glazings are made, for example for panoramic glazed road vehicle roofs numbered 1, 1 bis, 2, 3, 4, 5 and two additional examples A and B.
- the first glazing (for outdoor) is a 2.1 mm VG10 stained glass
- the laminating interlayer is formed from two times three sheets of PU each of 0.76mm framing the woven textile.
- the second glazing (for the interior) is a 2.1 mm Planilux glass.
- the optical fibers are in frame and protrude from the longitudinal edge.
- the length of the fabric along the axis of the optical fiber is 30cm.
- Table 1 shows the characteristics of the yarns and optical fibers (FO) of the woven fabrics according to the preferred invention.
- optical fibers are fibers with a PMMA core, and a fluoropolymer sheath of the order of 10 to 15 ⁇ - ⁇ .
- the alterations of the optical fibers are placed on the second clear (inside) glazing.
- the optical fiber strands of 500 ⁇ contain 150 optical fibers.
- the optical fiber strands of 250 ⁇ contain about 510 optical fibers.
- the diodes are the RAM Golden DRAGON® OS plus 6500K powered at 700mA.
- Table 1 a shows the characteristics of the yarns and optical fibers (FO) of the additional woven textiles.
- Table 2 shows the performance of woven fabrics according to the invention before lamination.
- Table 2 shows the performance of additional woven fabrics before laminating.
- Lum1 is measured on F4 side (second clear glazing), Lum2 on F1 side (first tinted glazing). Ex Lum 1 Lum 2
- Table 3 presents the technical data of the laminated glazings with the woven fabrics according to the invention, glazing with additional textiles A and B and an identical laminated glazing without light woven fabric.
- Products 1 to 5 are high clarity (and low blur). It is estimated that their luminances are approximately equal to the luminance of the textile only once the light transmission of the laminated glazing alone (to within 5%).
- Product A according to the invention, has a clarity acceptable but a rather important blur.
- Product B is a comparative example because it is too opaque.
- FIG. 4a shows an image in transmission (side alterations) and in gray level taken by optical microscope of the woven fabric (alone) of example 1.
- the distance between two neighboring optical fibers is smaller than the diameter of the optical fiber.
- the weft threads are probably obscured by the optical fibers.
- the openings are quadrilaterals, for the most part rectangular with a small side following the normal to the optical fibers and large side along the axis of the optical fibers.
- Figure 4b is the image of Example 1 after digital processing.
- a histogram shown in FIG. 4c
- X is the gray level and Y is the number of pixels.
- Two bumps N and B are distinctly observed.
- a threshold S is fixed between these two bumps-corresponding to the minimum of pixels in this zone from which the pixel is considered to be white (or black).
- the number of white pixels (corresponding to openings between wires and fibers) and black pixels is then counted and the opening factor T 0 is deduced therefrom.
- FIG. 5a shows a gray-scale transmission image taken under the light microscope of the woven fabric (alone) of example 1a.
- the distance between two neighboring optical fibers is greater than the diameter of the optical fiber.
- the weft threads are probably obscured by the optical fibers.
- FIG. 6a shows a transmission and gray level image taken under the light microscope of the woven fabric (alone) of example 2.
- the distance between two neighboring optical fibers is larger than the diameter of the optical fiber.
- two weft son 32 are visible, substantially rectilinear and parallel to each other.
- the openings are quadrilaterals, mostly rectangular close to the square with a small side following the normal to the optical fibers and long side along the axis of the optical fibers.
- FIG. 6b is an image of Example 2 after this digital processing.
- FIG. 7a shows a transmission and grayscale image taken under the light microscope of the woven fabric (alone) of example 3.
- the distance between two neighboring optical fibers is a little larger than the diameter of the optical fiber.
- the weft threads are probably obscured by the optical fibers.
- the openings are quadrilaterals, mostly rectangular convex type; with one oblique side of the optical fibers and one side along the axis of the optical fibers.
- FIG. 7c is an image of Example 3 after this digital processing.
- FIG. 8a shows a transmission and gray-scale image taken under the light microscope of the woven fabric (alone) of example 4.
- FIG. 8b is an image of Example 4 after this digital processing.
- FIG. 9a shows a transmission and grayscale image taken under the optical microscope of the woven fabric (alone) of example 5.
- the weft son 32 are substantially rectilinear and parallel to each other and to the optical fibers.
- FIGS. 10a and 10b illustrate first and second modes of lamination with the light woven fabric according to the invention
- FIG. 10a In a first configuration (FIG. 10a), two solid leaflets 21 and 22, for example EVA, are used and the woven fabric 3 is sandwiched directly between these two solid laminates.
- FIG. 11 is a schematic view of behind and to the side of a motor vehicle 1000 'with luminous glazings with bright woven textiles according to the invention, respectively forming
- the roof is for example sheet 8.
- FIG. 12 represents a schematic view from above and from the side of a motor vehicle 1001 whose panoramic windshield 700 includes a light woven fabric 3 according to the invention in an upper part 701 of the windshield forming a fixed glazed roof.
- the other part of the roof 703 can be sheet 8.
- the first light surface of the woven fabric 3a forming a lighting 74 outwardly while serving as means of occultation in the off state.
- the lower part 701 of the glass clear can integrate other functions such as a head-up display (HUD) etc.
- HUD head-up display
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Woven Fabrics (AREA)
- Laminated Bodies (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558499A FR3040992B1 (fr) | 2015-09-11 | 2015-09-11 | Vitrage lumineux de vehicule et sa fabrication. |
PCT/FR2016/052271 WO2017042508A1 (fr) | 2015-09-11 | 2016-09-09 | Vitrage lumineux de vehicule et sa fabrication |
Publications (1)
Publication Number | Publication Date |
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EP3347199A1 true EP3347199A1 (de) | 2018-07-18 |
Family
ID=54545307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16775293.0A Withdrawn EP3347199A1 (de) | 2015-09-11 | 2016-09-09 | Leuchtende verglasungseinheit für fahrzeuge und herstellung davon |
Country Status (9)
Country | Link |
---|---|
US (1) | US10618465B2 (de) |
EP (1) | EP3347199A1 (de) |
KR (1) | KR20180053328A (de) |
CN (1) | CN107074148B (de) |
BR (1) | BR112018003341B1 (de) |
FR (1) | FR3040992B1 (de) |
MX (1) | MX2018002931A (de) |
RU (1) | RU2712595C2 (de) |
WO (1) | WO2017042508A1 (de) |
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FR3049332A1 (fr) * | 2016-03-22 | 2017-09-29 | Zedel | Lampe frontale dotee d'une signalisation arriere |
JP6710568B2 (ja) * | 2016-04-18 | 2020-06-17 | トヨタ紡織株式会社 | 車両内装用表皮材 |
EP3264241A1 (de) * | 2016-06-29 | 2018-01-03 | Saint-Gobain Glass France | Beleuchtetes verbundglas mit einer kapazitiven berührungsempfindlichen vorrichtung und einer leuchtdiode sowie und die herstellung |
DE102016114843B4 (de) | 2016-08-10 | 2021-03-25 | Inteva Products Europe Gmbh | Anordnung mit einer Sichtnaht und einer Beleuchtungsvorrichtung, deren Verwendung und Verfahren zur Herstellung der Anordnung |
US10222529B1 (en) * | 2016-09-20 | 2019-03-05 | Apple Inc. | Lighting systems |
DE102017127746B4 (de) * | 2017-11-23 | 2023-09-07 | Roof Systems Germany Gmbh | Fahrzeugdachelement |
DE202017107507U1 (de) * | 2017-12-11 | 2019-03-12 | Inalfa Roof Systems Group B.V. | Offen-Dach-Konstruktion für ein Fahrzeug |
KR102647373B1 (ko) * | 2018-01-04 | 2024-03-13 | 하만 베커 오토모티브 시스템즈 게엠베하 | 물질 투과 조명 |
DE102018208740A1 (de) * | 2018-06-04 | 2019-12-05 | Volkswagen Aktiengesellschaft | Verfahren zur Erzeugung einer Innenraumbeleuchtung im Bereich eines Dachausschnitts eines Kraftfahrzeugs sowie Abschattungsanordnung zur Durchführung des Verfahrens |
JP7070341B2 (ja) * | 2018-10-31 | 2022-05-18 | トヨタ自動車株式会社 | 車両用照明装置 |
US20220333745A1 (en) * | 2019-01-18 | 2022-10-20 | Kyocera Sld Laser, Inc. | Laser-based light guide-coupled wide-spectrum light system |
US11884202B2 (en) | 2019-01-18 | 2024-01-30 | Kyocera Sld Laser, Inc. | Laser-based fiber-coupled white light system |
US10807526B2 (en) | 2019-02-14 | 2020-10-20 | Volvo Car Corporation | Vehicle interior lighting system |
CN111936683B (zh) * | 2019-03-13 | 2021-12-14 | 宋洙复 | 标志发光的鞋帮及包括所述标志发光的鞋帮的鞋 |
CN111746655A (zh) * | 2019-03-27 | 2020-10-09 | 东汉新能源汽车技术有限公司 | 一种汽车顶盖及汽车 |
DE102019109578A1 (de) * | 2019-04-11 | 2020-10-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Fahrzeugverbundglas |
WO2020212205A1 (de) * | 2019-04-16 | 2020-10-22 | Saint-Gobain Glass France | Textilelemente in fahrzeug-verbundglas |
FR3097163B1 (fr) * | 2019-06-13 | 2021-06-18 | Saint Gobain | Vitrage feuilleté intégrant les antennes du système automatique d’aide à l’atterrissage |
CN111504954A (zh) * | 2020-04-08 | 2020-08-07 | 中国航空制造技术研究院 | 一种检测碳纤维织物透光率的方法 |
FR3113674A1 (fr) * | 2020-08-27 | 2022-03-04 | Saint-Gobain Glass France | Vitrage feuilleté ayant une couche de polyvinylbutyral dans laquelle est intégré un tissu comportant une encre ultraviolet |
KR102340987B1 (ko) * | 2020-09-24 | 2021-12-21 | 주식회사 서연이화 | 차량의 내부에 적용되는 인테리어용 발광필름 유닛 |
DE102020213689B4 (de) * | 2020-10-30 | 2022-07-07 | Volkswagen Aktiengesellschaft | Vorrichtung zur Desinfektion wenigstens eines Teils eines Innenraums eines Kraftfahrzeugs sowie Kraftfahrzeug mit wenigstens einer Vorrichtung zur Desinfektion |
WO2022109116A1 (en) | 2020-11-18 | 2022-05-27 | Inteva Products, Llc | Illuminated stitching that provides vehicle status |
KR102522639B1 (ko) * | 2020-12-14 | 2023-04-18 | 현대모비스 주식회사 | 자동차용 램프, 그 램프의 제조 방법 및 그 램프를 포함하는 자동차 |
FR3119899A1 (fr) * | 2021-02-16 | 2022-08-19 | Saint-Gobain Glass France | Vitrage à zones actives dont les commandes sont repérées par des signes réalisés par impression digitale |
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FR3140510A3 (fr) * | 2022-09-30 | 2024-04-05 | Valeo Vision | Dispositif de chauffage et d’éclairage, notamment pour véhicule |
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FR2859737B1 (fr) | 2003-09-11 | 2006-08-18 | Cedric Brochier Soieries | Procede de fabrication d'un tissu a base de fibres optiques |
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FR3007042B1 (fr) | 2013-06-18 | 2016-01-01 | Saint Gobain Adfors | Tissu lumineux comprenant des fils de verre |
-
2015
- 2015-09-11 FR FR1558499A patent/FR3040992B1/fr active Active
-
2016
- 2016-09-09 RU RU2018112689A patent/RU2712595C2/ru active
- 2016-09-09 CN CN201680002124.0A patent/CN107074148B/zh active Active
- 2016-09-09 WO PCT/FR2016/052271 patent/WO2017042508A1/fr active Application Filing
- 2016-09-09 MX MX2018002931A patent/MX2018002931A/es unknown
- 2016-09-09 US US15/759,030 patent/US10618465B2/en not_active Expired - Fee Related
- 2016-09-09 KR KR1020187009779A patent/KR20180053328A/ko not_active Application Discontinuation
- 2016-09-09 BR BR112018003341-3A patent/BR112018003341B1/pt active IP Right Grant
- 2016-09-09 EP EP16775293.0A patent/EP3347199A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN107074148A (zh) | 2017-08-18 |
US20180297515A1 (en) | 2018-10-18 |
CN107074148B (zh) | 2020-03-31 |
MX2018002931A (es) | 2018-06-18 |
RU2018112689A (ru) | 2019-10-11 |
US10618465B2 (en) | 2020-04-14 |
BR112018003341A2 (pt) | 2018-09-18 |
FR3040992A1 (fr) | 2017-03-17 |
KR20180053328A (ko) | 2018-05-21 |
RU2712595C2 (ru) | 2020-01-29 |
FR3040992B1 (fr) | 2017-10-06 |
RU2018112689A3 (de) | 2019-11-13 |
BR112018003341B1 (pt) | 2021-12-07 |
WO2017042508A1 (fr) | 2017-03-16 |
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