WO2013017790A1 - Vitrage lumineux de vehicule, fabrication - Google Patents
Vitrage lumineux de vehicule, fabrication Download PDFInfo
- Publication number
- WO2013017790A1 WO2013017790A1 PCT/FR2012/051792 FR2012051792W WO2013017790A1 WO 2013017790 A1 WO2013017790 A1 WO 2013017790A1 FR 2012051792 W FR2012051792 W FR 2012051792W WO 2013017790 A1 WO2013017790 A1 WO 2013017790A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glazing
- cover
- sheet
- support
- assembly
- Prior art date
Links
Classifications
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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
- B32B17/10293—Edge features, e.g. inserts or holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10128—Treatment of at least one glass sheet
- B32B17/10155—Edge treatment or chamfering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10541—Functional features of the laminated safety glass or glazing comprising a light source or a light guide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2661—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions
- B60Q1/268—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic mounted on parts having other functions on windscreens or windows
-
- 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
- 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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the present invention relates to vehicle glazings, and in particular to vehicle light glazings, in particular to light-emitting diodes, and to the method of manufacturing such vehicle glazings.
- LEDs in English or LEDs in French More and more vehicles use light emitting diodes (LEDs in English or LEDs in French).
- a laminated glazing unit comprising a first transparent sheet
- a PCB (Printed Circuit Board) type section supports diodes which extend at the edge of the edge of the first sheet to emit one or more visible visible radiation (s) in the first sheet, extracted via the internal face
- the profiled assembly and diodes (commonly called bar or diode module), is enveloped by the polymeric encapsulation of black polyurethane peripheral to the glazing, the diodes being bonded to the edge of the glass before encapsulation by polyurethane injection in a mold.
- the present invention is aimed at an environmentally friendly light source vehicle light glazing (electroluminescent diodes, optical fiber (s) coupled to diodes for example), robust and easily scalable, while remaining simple and compact, thus meeting the specifications imposed by vehicle manufacturers (manufacturer's warranty, adaptability of performance ).
- vehicle light glazing electronic diodes, optical fiber (s) coupled to diodes for example
- the invention is particularly suitable for any roof configuration, and particularly the roofs mounted from the outside to the roof of the body, sunroof or fixed roofs.
- the invention proposes for this purpose a vehicle light glazing comprising:
- a first sheet of mineral or organic glass having a first main face and a second main face and a slice
- a peripheral light source with a support section known as source support, a source chosen from a self-supporting optical fiber of the cord type with a lateral part forming the emitting zone, and from light emitting diodes each comprising a semiconductor chip with an emitting face, the support section of the diodes being printed circuit board type, the emitting zone or face facing the so-called injection wafer, the first sheet for propagation of the visible injected light and / or ultraviolet said UV in the thickness of the first sheet, the first sheet then acting as a guide to the injected light,
- the source support being in a housing surrounded by material (injection wafer, possibly in a cut-out of the glass sheet, and / or assembly element of the pre-assembled part-type assembly type (enclosing the housing), and / or polymeric coating or overmolding type flexible encapsulation such as PU or
- the distance (and alignment) between the face (emitting diodes) or emitting area (of the optical fiber) and the injection wafer is controlled by positioning means and holding means in position , called blocking, of the support of source (diode support or self-supporting optical fiber) in the three directions of an orthogonal reference, said positioning and locking means comprising a source support assembly system, connected to the first sheet (at least on the first main face possibly by gluing, or even linked to a second sheet on its main face opposite the main face facing the first sheet or on the edge), including an assembly element (insert or overmolding, separate from a mineral glass sheet) positioned with respect to the injection wafer,
- the hood and the source support including diodes or self-supporting optical fiber being dismountable from the glazing (removable support alone or with the cover), in particular at least by the holding means in position of the cover (carrier of the source support) removable or reversible and / or means for maintaining in position the source support (source support independent of the cover, on the assembly element) reversible.
- an XYZ reference can be defined in which:
- Y is the transverse direction of the injection wafer (normal to the general faces of the glazing, therefore),
- X is the direction normal to the injection wafer (parallel to the general faces of the glazing, therefore).
- the cover can be said to be essentially facial (according to the average plane of the glazing, the first sheet), or is lateral (according to the mean plane of the injection wafer).
- the demountable solution according to the invention is preferred over "monolithic" total encapsulation, in particular over-molding (encapsulation) already described or with a coating of adhesive, in which the light source (such as, for example, LED strips) would be fully encapsulated, solution making the light source difficult to access at the risk of damaging (glazing / LED, encapsulation ...) and prevent reuse of this glazing.
- the total encapsulation is delicate and can deteriorate the source, especially the LEDS (and / or their electronic circuit) already mounted, inducing significant scrap costs, except to take precautions making the complex manufacturing.
- the integration of the source such as an LED strip is difficult or impossible in the case of an extrusion or a molded part because of the risk of degradation of the light function, glazing and seal.
- the cover is easy to (re) position, especially on the assembly element, removable (removable and / or tear-off and replaceable at a lower cost) if necessary:
- the invention thus facilitates the modularity of the lighting proposed on the glazing (illuminating or potentially becoming glazing, color variation, intensity ...) - at the level of the logistic management of the flows in production (assembly in advanced deposit rather only at the request of the customer).
- the invention reduces the impact of the integration of the source (LEDs, etc.) on the choice of processes and materials and makes it possible not to be dependent on a production technology because it offers a wide range of encapsulation solutions or pre-assembly used.
- the invention makes it possible to manufacture a luminous vehicle glazing unit with a functional element, mounted on the glazing in the usual manner, especially manufactured according to the usual techniques (extruded, molded ...), the functional element can be modi ed appropriately (hollowed out) to house the LEDs in post-installation.
- the cover both protects and provides easy access to the light source and preferably participates in its maintenance / positioning in the housing.
- the hood (in some configurations) is not visible after mounting on the vehicle body.
- the positioning of a source support on the cover can be managed by the process (positioning calculated by the trajectory of a robot).
- the positioning of a source support on the cover is mechanically managed preferably by stops to simplify the management of the replacement.
- the positioning of a source support opposite the injection slice can be managed by the process (positioning calculated by the trajectory of a robot).
- the positioning of the source port with respect to the injection wafer is mechanically managed preferably by stops (of the assembly element) to simplify the management of replacement.
- the cover is distinct from the assembly element (in particular itself distinct from a film made of mineral glass) and is preferably (at least in part) on the assembly element, for example:
- the source support assembly system preferably includes the cover, separate from the assembly member.
- the distance between the emitting face or zone of the source and the injection wafer is controlled by the means of alignment according to the invention, which are the means for positioning the source support ( and preferably the hood) and holding in position the source support (and preferably the hood).
- the face (diodes, preferably chip with its pre-encapsulation - silicone type etc) or emitting area (optical fiber) can approach in a controlled manner as close as possible to the injection wafer without risk of contact with the wafer.
- the distance between the emitting face or zone (spaced from the wafer) and the injection wafer may be less than 2 mm, or even 1 mm, especially 0.2 to 2 mm or even 0.5 to 1 mm.
- assembly element fixing
- source support diode support or self-supporting fiber
- the assembly element separate from the glass sheet (mineral) or guide, is for example an insert or a type of overmoulding coating, and is sufficiently rigid for locking.
- the cover (curved shape, flat, L %) is a sufficiently rigid piece for locking.
- the source support (PCB support for the diodes or non-emitting zone for the "illuminating" optical fiber) can be reversibly held in position by means such as:
- One or more stops, in particular on the connecting element, are useful for positioning the source support and / or the cover.
- the diode support (side emission), parallel to the first sheet is placed on one side on the edge of the first glass sheet and comes into a first stop of the assembly element and is placed on the other side on the assembly element and abuts on the assembly element.
- the diode side parallel to the first sheet, is placed on the connecting element and comes in first and second stops of the connecting element.
- the cover avoids any adhesive system (glue) even reversible as well as any force mounting of the cover on the assembly element and / or the source support on the assembly element (or on the cover).
- gripping means in particular: notch, loop, recess, rod, zone of weakness, etc. etc., removable by preference tool.
- the positioning of the cover, bearing or not of the support, in particular positioning on the connecting element is not under stress because it implies excessive deformation and thus does not allow precise control of the position: There is not a single possible position of the hood (especially with the support), but several.
- the positioning of the source support, in particular on the connecting element is not under stress because it implies excessive deformation and thus does not allow precise control of the position: there is no a possible unique position of the support, but several.
- the means for positioning the cover, in particular on the connecting element are preferably by contact (s) without deformation of the connecting element, in particular chosen from mechanical means such as:
- the means for positioning the support on the cover preferably:
- cover by contact (s) without deformation of the cover, in particular selected from mechanical means such as abutments, including plane or linear support, punctual, ball joint, pivot, by a permanent holding by boring or removable clip;
- the means for positioning the support on the assembly element are by contact (s) without deformation of the source support, in particular chosen from mechanical means such as stops, in particular plane or linear support, punctual, patella, pivot, with hold in the position of the type of burring, for example.
- the source support can be dismountable from the glazing because it is carried by the dismountable cover of the glazing.
- the support can be fixed permanently (not easily removable) to the hood. This is the case where we prefer to change the entire hood- ⁇ - source support.
- the cover does not necessarily have a role in maintaining the position of the diode support, while the position retention is preferably (at least in part) managed by the assembly element.
- the means for holding the support in position are preferably by contact (s) without global deformation of the connecting element (no deformation or local deformation without influence on the positioning, once mounted) , in particular chosen from mechanical means.
- the means for holding the hood in position, preferably on the (rigid) connecting element, or even a surrounding area, in particular a flexible encapsulation, are reversible (removable) and preferably:
- the clipping means (cover / assembly element and / or support / cover) may be punctual (pins ...) or extended (that is to say extending over the entire length of the cover), arranged on the inner face of the cover, preferably forming an integral part of the cover, preferably in the sealing zone defined by the interfacial sealing element.
- the clipping means for example of the hook type, integral part of the cover or added independently, preferably outside the sealing zone.
- the screwing means (of the cover), such as screws, bolts, may protrude from the internal face, for example housed in perforations of the cover or forming an integral part of the particularly facial cover, possibly via blind holes, preferably in the area sealing, especially between the interfacial sealing element and the edge of the housing.
- the means for holding the cover in position are preferably (at least partly) distinct from the means for positioning the cover (otherwise this large part may move) and / or the means for holding the position of the source support are preferably (at least partly) distinct from the means for positioning the source support.
- the assembly element for example:
- - Or is a part (related to the glazing) in several disjoint parts, sufficiently rigid plastic and / or metal, in particular linked to (on) a polymeric encapsulation, PU type, peripheral to the first sheet,
- the connecting element is the black part.
- the support can be positioned in the assembly element by the positioning means, and preferably the cover comprises or cooperates with elements, which in the mounted position of the cover, are the holding means in position of the support in the part (the element) assembly.
- the diode (source) support is (pre) positioned independently of the cover on the assembly element, without permanent fixing such as gluing, by positioning stops with respect to the connecting element (made of sufficiently rigid) and a flexible element, in particular of the curved tongue or spring type, presses on the support and forms the means for holding the support in position.
- the hood can carry the source support which is positioned using positioning and holding elements in position (temporary or permanent) along the three axes of the orthogonal reference and the hood is positioned relative to the element assembly and / or the edge of the glass (abutment for example normal to the inner face of a side cover, projecting relative to the diodes and abutting against the injection wafer out of the diode zone) with the aid of other elements for positioning and maintaining position along the three axes.
- the mounting of the cover possibly carrying the source support or support carrier in position of the source support prepositioned (preferably mechanically, by stops of the assembly element), being by rotation and reversible attachment (reversible or removable attachment) preferably mechanical, in particular forming the means for holding the hood in position by clipping or screwing or scratching on the connecting element, internally or externally), in particular on the assembly element, said hood with a longitudinal base- (possibly more extensive base than housing) with first and second parts:
- the first part (end) being in abutment on a first part of the assembly element called the rotational guiding part, the first part is (mounted) movable in rotation with respect to the glazing, along an axis of rotation; (Fixed or movable axis according to the assembly particularly parallel (for example offset) to the injection wafer (in the middle plane if curved or bevelled injection wafer), metal part and / or sufficiently rigid plastic preferably, the second part carrying means for holding the reversible cowl in a position, preferably received in one or more so-called reception zones of a second part of the connecting element, referred to as the connecting part, or conversely the second part carrying one or more so-called reception zones receiving means for holding the reversible cowl in position of a second part of the assembly element, in particular of metal and / or of sufficiently rigid plastic, referred to as the connecting part, possibly received in a flexible material (polymeric encapsulation) for a scratch-type grip or self-gripping tape.
- the rotational mounting - temporary fixation limits the risk that the light source bumps on the material surrounding the source housing (diodes %) especially on the edge of the glass and therefore breaks.
- the rotation provides a greater freedom of design including the orientation of temporary holding means in position relative to the injection wafer.
- a temporary fixation external to the housing makes it possible to reduce the size of the housing.
- Rotation-clipping is simple because it is performed in one operation for the case where the source (diode support or optical fiber) is fixed (temporarily / releasably) on the cover.
- the assembly by rotation - installation of the cover and screwing allows disassembly without degradation of the cover (so reusable).
- the design of the cover and the assembly part is simplified because it is an external part (screw) which ensures the maintenance in position / the reversible fixation ....
- a double clipping of the cover on the assembly element (preferably made of rigid plastic or metal) is possible, requires little space in width (in X if hood face, in Y if lateral), especially with respect to a rotation in a case with a support (PCB) wide, but requires clearance (in Y) for the kinematics of clipping.
- the connecting portion of the assembly element is made of material capable of holding the bonnet in place permanently and during loading, in other words the material must be sufficiently rigid, mechanically resistant.
- the entire guide portion - functional element (flexible plastic) can be obtained by coextrusion (plastic case) or bi-material injection.
- a functional element may in particular surround the guide portion.
- the metal core strip
- the metal core is formed for example by successive bends (roll forming) preferably, or by stamping.
- the first end is partly bevelled and the rotational guiding part preferably comprises a plurality of receiving zones (lugs, of hinge type but without any true "connection" of the cover to the connecting element) of the first end; of the hood, along the hood, and preferably offset from one or more local reception areas, along the hood, means for reversible fastenings of the hood,
- the hood can carry the source support which is positioned by means of positioning and holding elements in position along the three axes of the orthogonal reference:
- the assembly element can be surrounded or even mechanically anchored in an overmolding (flexible type PU) or be covered by a pre-assembled seal (locally recessed to disassemble the cover).
- the cover can be drawer type (full) with a flat portion carrying the source support.
- the end of the "drawer” cover can be beveled to facilitate the introduction of the drawer into the assembly element and that it finds its way to the final position at the end of the race.
- the LED support (or source) can be pinched by a lip (mounting "tight", holding in position by slight deformation of the workpiece).
- Clips can be located at the bottom and distributed along the drawer.
- the clips are preferably shifted (downward) relative to the flat portion to allow deformation of the clip during clipping without colliding with the LED or source support.
- Clips may be located otherwise in side parts to the drawer.
- the positioning of the LED holder may partly be under the light guide glass.
- the assembly element may comprise, in a non-emitting zone, a portion facing or even in contact with the injection wafer serving to refer to the injection wafer and / or to form a stiffener (joining for example the part of guide and fastening part in a rotational mounting and provisional fixing).
- the cover and the connecting element are preferably of substantially identical material (and similarly rigid) for example plastic or metal.
- the assembly element can be fixed to the glazing (permanently), in particular by bonding (to the first main face or even to the second glass sheet), and / or is surrounded by a polymeric encapsulation (overmolded, in particular flexible, of type PU or TP) on at least one zone at the periphery of the glazing unit and then preferably comprises mechanical anchoring means in the encapsulation, of fins type preferably with orifices, preventing the movement even if the adhesion is not perfect, the anchoring being useful in particular for the correct positioning of the diodes.
- a polymeric encapsulation overmolded, in particular flexible, of type PU or TP
- the connecting element (connecting part, etc.) can preferably be:
- PC polycarbonate
- PMMA polymethyl methacrylate
- PE polyethylene
- PP polypropylene
- PA66 polyamide
- ABS-PC polystyrene
- PS polystyrene
- PS acrylonitrile styrene acrylate ASA
- formaldehyde polymer polyoxymethylene POM
- PBT polybrominated terphenyl
- the assembly element is possibly surrounded or even in contact or even integral with one or more functional elements that ensure the aesthetic function in particular or helps the flexibility of the contacts with the cover and which are too flexible to maintain the hood :
- thermoplastics for example, flexible thermoplastics
- polyurethane in particular PU-RIM (Reaction In Mold), thermoplastic elastomer (TPE), in particular compounds based on styrene ethylene butadiene styrene SEBS / polypropylene (PP), thermoplastic TPU, polypropylene PP / EPDM,
- PU-RIM Reaction In Mold
- TPE thermoplastic elastomer
- PP polypropylene
- thermoplastic TPU polypropylene PP / EPDM
- PVC polyvinyl chlorine
- EPDM ethylene-propylene-diene terpolymer
- the connecting element (the connecting part, guide part, etc.) can be glued to the glazing by a double-sided tape / adhesive (acrylic, etc.) preferably, or possibly by a two-component or one-component PU glue. .
- the bonding is also possible on a flexible part including the solidarity which surrounds the connecting part. It is preferred to bond to a screw.
- the glazing and preferably the assembly element, comprises a metal sheet (pre-assembled sheet on plastic part or metal part), forming an anti parasitic light, arranged (parallel) along the first main face beyond the face or emitting zone and possibly exceeding the injection slice (especially in the case of polymer encapsulation flush).
- the metal foil preferably extends in a withdrawal zone of the lamination interlayer.
- the assembly element may be a functional element chosen from: an insert for fixing the glazing on the vehicle (for example fasteners for fixing roofs opening on the bodywork) or an additional element on the glazing (for example clip used to fix a hubcap on the glazing),
- the metal core of a pre-assembled and locally hollowed joint optionally covered with a polymeric material (outside the positioning and / or position-keeping zones).
- the glazing preferably comprises a plurality of connecting elements in the form of monolithic pieces aligned and nested to each other by temporary fixing means (with lateral positioning of an assembly element relative to the other ).
- the connecting member may preferably form a single-sided recessed piece with a closed contour such as a frame.
- the assembly member may be on an area or the entire length of a strip (one side of the glazing), it may be on 2 adjacent or opposite strips, or over the entire periphery.
- the housing can be of any possible form: oblong, oval, rectangular ...
- the width of the housing may be between 5 and 200 mm and preferably between 10 and 40 mm.
- the length of the housing may be between 10 and 1000 mm, preferably between 50 and 600 mm.
- the depth of the housing is sufficient for example from 1 mm to
- 100 mm preferably from 2 to 20 mm (or even less if compared to the wafer).
- a peripheral functional element can be linked to the first sheet.
- the functional element may be an encapsulate, an extrudate, a premounted seal (liner), a molded part, injected ....
- the functional element is directly on the first sheet or indirectly for example via an element, reinforcement, adhesion.
- the functional element can thus be linked to the glazing by any means:
- the functional element can be single-sided, two-sided or even triface.
- the luminous vehicle glazing may in particular comprise an overmoulded, polymeric functional element, and preferably between the encapsulation and the glazing, in particular made of mineral glass, a primer layer, mono, bi or tri-component, for example polyurethane base, polyester, polyvinyl acetate, isocyanate.
- the functional element may be a polymeric encapsulation, in particular thick from 0.5 mm to several cm, obtained by overmolding.
- the encapsulating material is generally black or colored (for aesthetic and / or masking purposes).
- the encapsulation may be made of polyurethane, in particular PU RIM (Reaction In Mold).
- PU RIM Reaction In Mold
- Other overmolding materials are:
- thermoplastic elastomer in particular compounds based on styrene ethylene butadiene styrene SEBS / polypropylene (PP), thermoplastic TPU, polypropylene PP / EPDM,
- PVC polyvinyl chlorine
- EPDM ethylene-propylene-diene terpolymer
- PC polycarbonate
- PMMA polymethyl methacrylate
- PE polyethylene
- PP polypropylene
- PA66 polyamide
- ABS-PC polystyrene
- PS acrylonitrile styrene acrylate SAA
- the overmoulding material can be colored, loaded with glass fibers.
- the primer layer is for example based on polyurethane, polyester, polyvinyl acetate, isocyanate for example thick from 5 to 50 pm, between the encapsulation and the pane, in particular mineral glass, because this layer promotes adhesion to a mineral glass.
- the functional element also brings a good aesthetic finish and allows to integrate other elements or functions:
- the overmolded functional element can be of any shape, with or without a lip.
- a tubing in other words a closed cell sealing profile, can also be attached to the overmolded functional element.
- a flush encapsulation is effected, that is to say flush with one of the faces of the glazing, the second face preferably
- the vehicle light glazing may include a functional element which is in particular:
- an overmolding or a part (seal, frame) glued an insert for affixing the glazing to the vehicle (for example fixing inserts for roofs opening on the bodywork) or an additional element on the glazing (for example a clip used to attach a trim to the glazing)
- the functional element may be a polymeric seal, preferably made of elastomer, especially TPE (for thermoplastic elastomer), or EPDM, a few mm thick (typically between 2 and 15 mm).
- elastomer especially thermoplastic elastomer
- EPDM a few mm thick (typically between 2 and 15 mm).
- the seal can be tacked for its maintenance.
- the seal can simply hold by pinching or by snap or clipping (2 half-frames for example).
- the seal can be single-sided, two-sided, triface.
- the seal can form a frame.
- the seal can be of any form: L, U ....
- the seal can be removable at any time. It may comprise by one or more lips constrained after fixation.
- the functional element may be metallic or polymeric, polypropylene (PP), polyamide (PA66), polybutylene terephthalate (PBT) ... filled or not with glass fibers.
- the functional element retains one or more standard functionalities for the vehicle glazing.
- the functionality (single or multiple) of the functional element can be one or more of the following:
- the distance between the inner face of the cover and the first face is less than 10 mm.
- the distance between the outer face of the cover and the injection wafer is less than 15 mm.
- the thickness of the cover may be less than 5 mm.
- the space of the radiation emitted before injection, said coupling space naturally varies according to the radiation pattern of the source, defined by a main direction of emission and a transmission cone.
- a filling material of the transparent coupling space may be provided for said adhesive radiation (s) or not, in particular:
- an adhesive material of the glue type, embedding the chips and fixing the chips to the glazing
- a double-sided adhesive glued on the chips and the support by an adhesive side and glued to the glazing by the other adhesive side.
- thermoplastic resin polyvinyl butyral (PVB), ethylene / vinyl acetate copolymer (EVA) ...
- the invention makes it possible to avoid the addition of an additional element as mentioned above (filler and / or adhesive and / or sealing material) to achieve the optical coupling between the LEDs (bare or pre-encapsulated) or the optical fiber and glazing.
- additional element as mentioned above (filler and / or adhesive and / or sealing material) to achieve the optical coupling between the LEDs (bare or pre-encapsulated) or the optical fiber and glazing.
- Such elements generate an additional cost and are likely to change the color of the light.
- the space of the radiation emitted before injection is gaseous (one or more gases, for example air).
- any wall is avoided in the coupling space.
- the diodes may be (pre) encapsulated, that is to say comprising a semiconductor chip and an envelope, for example epoxy resin or PMMA, encapsulating the chip and whose functions are multiple: diffusing element or focusing, wavelength conversion.
- the envelope is common or individual.
- the diodes may preferably be single semiconductor chips, for example with a size of the order of one hundred pm or one millimeter.
- the diodes may optionally comprise a protective envelope (temporary or not) to protect the chip during handling or to improve the compatibility between the materials of the chip and other materials.
- a protective envelope temporary or not
- the diode may be chosen in particular from at least one of the following light-emitting diodes:
- a side-emitting diode that is to say parallel to the (faces of) electrical contacts, with a lateral emitting face with respect to the support
- a diode whose main direction of emission is perpendicular or oblique with respect to the emitting face of the chip.
- the source support profile it may be at the periphery of the edge (s) of the glazing: on the edge of the first sheet and / or on the underside of the first sheet and / or on the upper face of the first sheet) .
- the source support profile may be of length (and / or respectively width) smaller than the length (respectively width) of the coupling edge of the first sheet.
- the diode support profile may be a conventional PCB or metallic
- the diode support profile may have a rectangular section.
- the total number of diodes, the power of the diodes are chosen by the size and location of the areas to be illuminated, by the desired light intensity and the required light homogeneity.
- the length of the diode support profile varies depending on the number of diodes and the extent of the surface to be illuminated.
- the diode support profile has a length for example of the order of 20 cm.
- the number of LED arrays is preferably multiplied to cover the surface.
- the diode support profile may furthermore have one or the following characteristics:
- the distance between the carrying portion of the chips and the first sheet is preferably less than or equal to 5 mm.
- the diode support may also be in several parts, one of which may have a support function of the electrical circuit and the other the radiator function to dissipate heat.
- the space in the assembly element and / or in the hood can be exploited to accommodate this radiator and to give it an advantageous shape.
- the source is spaced from the injection wafer (by air), is not fixed to the injection wafer, and even the diode support is not fixed on the glazing but to the hood to simplify and accelerate disassembly.
- the material surrounding the source support (assembly element and / or overmolding for example) and the cover is fluid-tight.
- the cover may be associated with an interfacial element for interfacial sealing fluid (s) and dust, including liquid water or steam.
- the interfacial sealing element with the fluid (s), local is for example at the periphery of the inner face of the hood or on one side of the hood, in particular the interfacial sealing element to the fluid (s) ( s) forms a bead.
- the light glazing is durable, even when the glazing is not protected by the body, this thanks to simple and suitable sealing means, removing fluid diffusion paths (s).
- the assembly element associated with the cover and the optional interfacial sealing element according to the invention is particularly useful for protection against the humidity of the source, in particular chips, to avoid pollution of the surface.
- the coupling space soiling, organic pollution, mold type Certainly and preferably cleaning products, or a high-pressure jet wash. This protection must be permanent.
- wet poultice test To qualify the moisture-proofing in the long term one can resort to wet poultice test.
- the standard D47 1165-H7 used in the automobile describes the test of wet poultice H7.
- This test involves drowning the test piece in cotton soaked in demineralized water and enclosing it in an airtight bag, then placing it in an oven at 70 +/- 2 ° C for 7 days. Then the pieces are taken out, freed from soaked cotton and placed at 20 ° C for 2 hours. Parts can finally be observed and tested mechanically or functionally to evaluate the effect of moisture on the system. This test corresponds to several years of natural aging in a humid and hot environment.
- a high-pressure water jet cleaning test can also be used, such as the D25 5376 high-pressure washer-washing test used in the automobile: pressure up to 100 bar with nozzle / case distance up to 100 mm .
- the interfacial sealing element preferably at the periphery of the cover, may be a compressed material, the compression seal of the material being produced by a closing force of the cover fixing means, in particular the interfacial sealing element is chosen from:
- a polymeric seal for example made of TPE, EPDM, in particular an O-ring, with a sealing lip (s), the seal being in particular in a clearance or a groove of the cover, or a groove in the functional element or of the assembly element or the second face,
- a sealing profile on the functional element polymeric selected, for example lip (s) of encapsulation or preassembled seal, in particular EPDM, or on the inner face or one side of the polymeric cover; or a sealing profile on the assembly element (monolithic),
- a foam in particular acrylic foam, PU, rubber (EDPM ..), thermoplastic elastomers, TPE, polyester, in particular one-component polyester rubber such as the product Dynafoam sold by the company Saint-Gobain Performance
- the source support at least (or even the chips) is provided, advantageously before its integration into the glazing (during their manufacture %), at least one layer of protection mono or multilayer) against the moisture and / or encapsulation such as a silicone, epoxy or acrylic varnish.
- the protective layer protects at least printed circuit board, welds, connectors if not sealed.
- the diodes are preferably not protected and if already covered (pre-encapsulated) silicone.
- the LED strips are protected before integrating them into the housing (recess of the functional element, etc.).
- the protection can be of the type of protection varnish (silicone, epoxy, acrylic %), encapsulation or "potting" of the bar of LEDs (silicone, epoxy, acrylic ).
- the removal is by immersion, selective removal or vaporization (layers of 25-50 microns).
- the perfect seal between the surface of the cover and the recess in the functional element is no longer essential but can complement it. It is also possible to combine the two sealing solutions for greater safety, or else to avoid degradation of the module due to moisture in the air trapped in the cavity once the hood is mounted.
- the hood is not necessarily waterproof (to fluids). It preferably protects entries of material that would come between the diodes-the source and the injection wafer but not sealing moisture and liquid water required.
- the cover can be pierced for the passage of wire for example.
- the hood may further comprise a blind recess for the passage of the connector and may further comprise
- main power supply which can be the battery, a photovoltaic source, etc.
- the invention allows a good positioning of the diode with respect to the injection zone of the light.
- the first sheet is made of particularly organic glass, in particular PC, with a blind hole in its thickness, the second face, ( extending the recess overlying) for example a recess, to accommodate the source facing the injection edge.
- the hole is around the entire periphery of the second face and the cover forms a frame including integrating said fastening means (by screwing or clipping etc).
- the cover in particular substantially flat piece of general shape, may be a hubcap (including the body color of the vehicle), or is hidden after fixing the glazing to the body, for example hood along an edge or forming a frame.
- the cover has for example a flat longitudinal base with for example a first beveled and projecting end forming fins along the hood abutting against the C-shaped connecting element in local areas.
- the transmission factor of the first sheet around the peak of the radiation of the chips is greater than or equal to 50%, even more preferably greater than or equal to 70%, and even greater than or equal to 80% .
- the glazing may have a so-called protective layer (a sheet, a film, a deposit %) on one of the first or second faces or extending on said face.
- This layer can have a double function:
- the coupling edge or edges of the first sheet it is possible to provide rounded edges.
- the emitted radiation space is air
- the glass may have optionally previously undergone a heat treatment of the type hardening, annealing, quenching, bending.
- the glazing is simple, the first sheet being made of mineral or organic glass, especially PC, PMMA, PU, ionomer resin, polyolefin, optionally bimaterial.
- the glazing can be laminated (several sheets) formed:
- a first transparent sheet mineral glass (floated, etc.) or organic (PC, PMMA, PU, ionomer resin, polyolefin), thick or thin,
- a second sheet (opaque or not, transparent, tinted, mineral glass, or organic with various features: solar control ..).
- thermoplastic without plasticizer such as ethylene / vinyl acetate copolymer (EVA), polyvinyl butyral (PVB).
- EVA ethylene / vinyl acetate copolymer
- PVB polyvinyl butyral
- glass in the absence of precision, glass is understood to mean a mineral glass.
- the edge of the first sheet (trimming with recesses before soaking) can be cut from single or laminated glazing or double glazing to house the diodes.
- the first and / or second sheets can be of any shape (rectangular, square, round, oval, ...), and be flat or curved.
- the first sheet may be preferably soda-lime glass, for example PLANILUX glass from the company SAINT GOBAIN GLASS.
- the second sheet may be colored, for example, with VENUS glass from SAINT GOBAIN GLASS.
- the laminated glazing unit comprises a second sheet, in particular of mineral or organic glass, which is laminated by a lamination interlayer to the first sheet and preferably
- the slice of the first sheet has a marginal recess passing through the thickness in which the source is housed, or the second sheet is protruding from the injection edge of the first sheet, creating a lateral recess of the glazing,
- said marginal recess or said lateral recess receiving the lower part (at least) of the recess of the functional element.
- the glazing may be a multiple glazing insulating, vacuum, including double or triple glazing formed:
- a first transparent sheet mineral glass (floated, etc.) or organic PC, PMMA, PU or even ionomeric resin, polyolefin, thick or thin,
- gas blade air or inert gas
- a possible third sheet spaced by a gas blade air or inert gas
- a gas blade air or inert gas
- the glazing is a multiple glazing, in particular a laminated glazing unit, a double glazing under vacuum or insulating, or a triple glazing with substantially lateral recess, the cover or substantially lateral sealant, the first sheet being an outer or central sheet of the triple glazing.
- the light extraction means guided via the first and / or the second main face are surface diffusion means of the first and / or second main face or volume diffusion means in the first sheet, and / or when the injected light is UV, means for converting the UV light into visible light via the first and / or second main surface, which are phosphors, especially on the first and / or the second main surface.
- diffusion means are used, formed either by a superficial treatment of the sandblasting-type glass sheet, acid etching, enamel or diffusing paste deposit, or by treatment in the mass of the glass. Laser engraving type.
- the diffusing layer may be composed of elements containing particles and a binder, the binder making it possible to agglomerate the particles together.
- the particles may be metallic or metal oxides, the particle size may be between 50 nm and 1 ⁇ m, preferably the binder may be inorganic for heat resistance.
- the diffusing layer consists of particles agglomerated in a binder, said particles having a mean diameter of between 0.3 and 2 microns, said binder being in a proportion of between 10 and 40% by volume and the aggregates forming particles having a size of 0.5 to 5 microns.
- This preferred diffusing layer is particularly described in application WO0190787.
- the particles may be chosen from semi-transparent particles and preferably inorganic particles such as oxides, nitrides, carbides.
- the particles will preferably be chosen from oxides of silica, alumina, zirconia, titanium, cerium, or a mixture of at least two of these oxides.
- a diffusing mineral layer of about 10 ⁇ m is chosen.
- the distance of the emitting face and the first sheet may be less than 2 mm.
- diodes with reduced overall dimensions, for example chips without a lens and / or without pre-encapsulation, in particular with a width of the order of 1 mm, a length of about 2.8 mm, a height of the order of 1.5 mm.
- the light zone (s), (in particular peripheral along an edge of the glazing or opposite or adjacent edges, in strip (s), framing the glazing), is formed an internal ambient lighting, an internal reading illumination by side window, roof ...), a luminous display of internal and / or external signaling.
- the luminous zone or zones, in particular are peripheral, in band (s) framing the glazing.
- Radiation extraction / conversion (as well as type and / or position and / or number of diodes) is adjusted to:
- remote control detection of the vehicle in a parking lot or other, indicator of (un) locking of doors, or - safety signaling, for example as stop lamps on the rear,
- the light can be:
- Visible inside the vehicle it can have a function of night lighting or display information of any kind, such as drawing, logo, alphanumeric signage or other signs.
- warning lights for persons outside the vehicle example: warning lamp for activating the vehicle alarm in the side windows
- - illuminated display on the windows of vehicles eg flashing light on emergency vehicles, safety display with low power consumption indicating the presence of a vehicle in danger
- the glazing may include a receiving diode of control signals, especially in the infrared, for remote control of the diodes.
- the glazing is intended to equip any vehicle:
- windshield of a land vehicle in particular an automobile, a utility vehicle, a truck or a train, in particular with the light zone or zones (forming a "HUD" sign, for example) in the enamel border or in the vicinity, rear window in particular in the enamel border or nearby,
- the invention also relates to a vehicle incorporating the glazing previously defined.
- the invention finally relates to a first method of manufacturing the vehicle light glazing, comprising the following steps:
- the assembly element is all alone on the glazing, and the mold is pressed on with pions during overmolding, or it can also use glue type hotmelt (PU or PA).
- the invention finally relates to a method of manufacturing the vehicle light glazing, comprising the following steps:
- Figure 1 shows a partial schematic sectional view of a vehicle light glazing 100 in a first embodiment of the invention.
- This glazing unit 100 comprises a laminated glazing unit comprising:
- a first transparent sheet 1 for example rectangular, having a first main face 11 and a second main face 12, and a wafer 10, for example a silicosodocalcic glass sheet, with a thickness equal to 2.1 mm,
- a second glass sheet optionally for a solar control function, dyed (glass VENUS VG10 for example in the company Saint-Gobain) and / or covered with a solar control coating, of thickness equal to 2, 1 mm, and having a main face 13 and a free main face 14.
- the second glass sheet is laminated to it by a lamination interlayer 8, for example a 0.76 mm thick PVB.
- a light-emitting diode support section 2 extends along the longitudinal edge of the first sheet 1, for example.
- the support profile 3 is monolithic, thin, of thickness equal to 0.6 mm (preferably 5 mm max), 7 mm wide, 20 cm long. It can be of rectangular section, metal or a conventional PCB.
- the light-emitting diodes each comprising a transmitter chip 2 capable of emitting one or more visible-light radiation guided in the first sheet 1.
- the diodes are small in size, typically a few mm or less, in particular of the order of 2 ⁇ 2 ⁇ 1 mm, with or without optics (lens) not pre-encapsulated to minimize congestion or encapsulated (silicone) for its protection,
- the emitting face 21 of the chip is greater (normal to the profile 3).
- the distance between the emitter face and the injection wafer is minimized, for example by 5 mm 7 or even 0.2 to 2 mm.
- the main direction of emission is perpendicular to the face of the semiconductor chip, for example with a quantum multiwell active layer of AlInGaP technology or other semiconductors.
- the cone of light is a lambertian type cone, of +/- 60 0 .
- UV LEDs are chosen, in particular in the UVA, to excite phosphors on the face 12 for example.
- the extraction 12 ' is carried out by any means of diffusion on the surface of the second face 12: sandblasting, acid attack, diffusing layer, screen printing ... or alternatively by laser etching in the first sheet 1.
- the optical coupling space preferably a gaseous medium, typically air, without of glue.
- the glazing with a polymeric overmolding 7, for example approximately 2.5 mm thick, edge of the glazing, and preferably all around the glazing (here laminated) and at least the second face 12.
- Encapsulation 7 is then called biface.
- a peripheral masking element 15 on the face 13 for example an opaque enamel (black, etc.).
- This peripheral masking element 15 can also be used to mask the attachment to the bodywork.
- the encapsulation 7 is then said triface and the masking element 15 may be removed eventually.
- the overmoulding 7 conventionally serves good aesthetic finish and / or allows to integrate other elements or functions (reinforcing inserts ).
- Overmolding 7 for example has a sealing lip between the glazing and the vehicle (not shown in Figure 1, see Figure 1).
- the overmoulding 7 is flexible for example black polyurethane, especially PU-RIM (Reaction Injection Molding in English).
- the overmolding 7 has a recess 70 for example rectangular, as shown in Figure lb, housing the diode array (the diodes on the support section 3).
- Overmolding 7 contributes to the protection of the diodes, therefore to the long-term sealing of the fluid (s) (liquid water, cleaning product, or even water vapor altogether while retaining its original features.
- the first sheet 1 also has a marginal or so-called edge recess, which is obviously marginal (forming a recessed injection wafer). uncut slice not shown) and small cutting radius to have a long positioning zone in the recess. This edge recess accommodates the lower part of the overmolding recess 70.
- the glazing further includes a cover 4 covering the diode bar 3, along a border of the second face 12, and protruding from the injection slice; cover with a so-called internal inner face 40 oriented towards the first sheet, carrier face of the diode support 3 by means 45 forming a tight connection
- the cover 4 is a rigid plastic part with a longitudinal base of generally flat shape, of rectangular outline (with possibly rounded edges) as shown in Figure ld.
- the hood is called facial because the base is opposite (and parallel) of the main faces of the laminated glazing.
- the cover 4 is easily removable to insert diodes or change them.
- diode assembly system by rotation - reversible attachment comprising:
- peripheral assembly element 6 which is a monolithic piece with a rigid plastic closed contour, preferably the same (type of) material as the cover 4, connected to the first sheet 1, extending in the region of the wafer injection 10 here in the recess 70 and surrounded by the polymeric encapsulation 7 delimiting the recess 70,
- said hood 4 with a first lateral end and other parts.
- the first lateral end (on the left in the figure) comprises a partially bevelled slice 41 resting (during assembly) on a first part of the functional element 6 called said guide portion 61.
- the first lateral end being rotatably mounted R relative to the glazing around an axis of rotation parallel to the injection wafer 10, the first beveled and protruding side end forming fins 41 along the bonnet abutting (flat) against the assembly element shaped of C in local areas 63 as shown in Figure lf and lg and in other areas, the edge (left) of the cover 4 bears (plane) against the connecting element 6.
- the lateral end 42 (on the right in the figure) abuts against the assembly element 62.
- Part 44 of the cover 4 normal to the inner face 4 (in the Y direction and facing the glass) carries holding means in position of the hood in the form of the clipping pins 64, along the cover offset relative to the support zones for rotation, clipping on non-return stops in the vertical wall 64 of the connecting element 6.
- the zones of clipping or rotation are indifferently zones with or without diode support 3.
- the diode support extends longitudinally over most of the length of the cover (facing the recess).
- the diode support 3 may extend longitudinally over the (almost) totality of the recess 70.
- the assembly element 6 further comprises, in a zone without diodes, at least a portion in contact with the injection wafer 10 forming a stiffener 66 (see Figure 1f, 1g) joining the guide portion 61 and the clipping portion 64 in addition to the side portions which close the contour of the fastener.
- the assembly element 6 also comprises mechanical anchoring means 65 in the encapsulation, of the lateral fin type with orifices (for example holes) distributed preferably uniformly along the fins, to allow the infiltration of overmoulding material all around. This ensures a very high mechanical strength between the assembly part and the overmolding.
- the glazing may comprise a plurality of connecting elements (and associated diode hoods) in the form of monolithic parts aligned and nested to each other by temporary fixing means 67. This interlocking with a controlled positioning makes it possible to ensure the same spacing between two LEDs, even from one module to another (and therefore from one assembly element to another).
- the design of the cover 4 and the assembly element 6 thus allows the integration of the diode array 3 and also allows the focusing of the array that is to say the correct positioning of the strip 3 with respect to the injection wafer 10.
- cover is optionally provided with a blind recess or through (preferably sealed by foam or seal ...) for the passage of the connector.
- An interfacial element 5 for interfacial sealing with fluid (s), an interfacial element which is a seal, made of EPDM, in the form of a 5 mm wide cord is on the inner face 40 of the cover in a clearance 4 'of the cover provided for this purpose.
- the interfacial sealing element 5 is a compressed material, the sealing by compression of the material being achieved by a closing force of said cover fixing means.
- the glazing unit 100 may form, for example, a fixed panoramic roof of a land vehicle, or alternatively a boat ...
- the roof is mounted externally as shown in Figure 1c, on the bodywork 90 via an adhesive 91.
- the extraction for example a diffusing layer 12 ', can form a mood lighting.
- the functional element 7 then has a sealing lip.
- the manufacture of such a glazing comprises the following steps:
- Figure li shows in detail another mounting configuration of the diode support on the cover.
- the diode support is provided with orifices 31 for placement with hood pins 45a and 45b brackets.
- the diode support 3 (excluding diodes) is provided with a 5 'tropicalization varnish.
- Figure 2 shows a partial schematic cross sectional view of a vehicle light glazing 200 in another embodiment of the invention.
- the glazing 200 differs from the glazing 100 in that:
- the diode support on the cover abuts 45 'against the cover and is fixed by glue or scratch or self-gripping tape 48a, to the vertical wall 45,
- the clipping is replaced by holding in position by scratching or self-gripping tape 48 in a dedicated zone (horizontal) of the assembly element 6 offset from the recess 70,
- FIG. 7 shows a partial schematic cross sectional view of a vehicle light glazing 300 in another embodiment of the invention.
- a diode alignment stop 67 ' in the form of a preferably flexible guide diode support slope, abutment formed by the bottom of the connecting element 6.
- a metal foil 68 'forming an anti-parasitic light has been precollected on the assembly element 6.
- assembly element 6 is glued to the glazing unit by an adhesive 91 and there is no overmolding around it.
- Figure 4a shows a partial schematic cross sectional view of a vehicle light glazing 400 in another embodiment of the invention and a top view in Figure 4b.
- the glazing 400 differs from the glazing 100 in that:
- the rotation is effected by a ball-type system 41 at the end of the cover 4 and a cavity of complementary shape 61 in the connecting element 6,
- the holding clip 64 is external to the recess 70,
- Figure 5 shows a partial schematic cross sectional view of a vehicle light glazing 500 in another embodiment of the invention.
- the glazing 500 differs from the glazing 100 in that:
- the means for holding the cover 4 in position are screws 44 ', passing through the cover 4 and protruding from the inner face 40 of the base, these screws are received in local counters against the assembly element 6, namely threaded holes 64 ',
- the diodes 2 are side-emitting, the face 21 being lateral to the support (normal to the support 3),
- the cover 4 does not bear the diode support 3 which is positioned by edges 31, 32 of the edge of the support via lateral stops 6a, 6b of the connecting element 6 (without glue), support positioned parallel to the glazing 1, with one side on the assembly element 6 and one side on the main face (free) of the first glass sheet 1,
- a spring system 46 presses on the rear of the support 3, to hold it in position
- Figure 6a shows a partial schematic cross-sectional view of a vehicle light glazing 600 in another embodiment of the invention and Figure 6b is a perspective view.
- the glazing 600 differs from the glazing 400 in that:
- the assembly element 6 is a roof fastening insert
- Figure 7a shows a partial schematic cross sectional view of a vehicle light glazing 700 in another embodiment of the invention.
- Figure 7b is a side view.
- the hood is lateral and not facial
- the diodes 2 are side emission, the support 3 has an end 31 'against a stop 41' of the cover and is held on the cover by an adhesive 9 or scratch or self-gripping tape,
- the clip 64 is in the plane of the ball 61.
- Figure 8 shows a partial schematic cross sectional view of a vehicle light glazing 800 in another embodiment of the invention.
- the clip 64 is normal to the plane of the ball 61.
- FIG 9 shows a partial schematic cross sectional view of a vehicle light glazing 900 in another embodiment of the invention.
- the glazing 900 differs from the glazing 800 in that the cover 4 is positioned relative to the injection wafer of the glass with the aid of one or more projecting elements 47 towards the injection wafer 10 and coming into view. abutment against the injection wafer in zones 10a without diodes (and possibly without support).
- Figure 10a shows a partial schematic cross sectional view of a vehicle light glazing 1000 in another embodiment of the invention.
- the glazing 1000 differs from the glazing 800 by:
- FIG. 11a is a partial cross sectional schematic view of a vehicle light glazing 1100 in another embodiment of the invention in a zone with a diode.
- Figure 11b shows an area without diode support (with a stiffener 66).
- the glazing 1100 differs from the glazing 800 in that the assembly element is glued, by glue 91, to the glazing (edge of the second sheet and main face of the first sheet 1) and comprises a metal core surrounded locally. (excluding zones of clipping and rotation) by a polymeric material 7.
- Figure 12 shows a partial schematic cross sectional view of a vehicle light glazing 1200 in another embodiment of the invention.
- the glazing 200 differs from the glazing 500 in that:
- FIG. 13 shows a partial schematic cross sectional view of a vehicle light glazing 1300 in another embodiment of the invention.
- the glazing 1300 differs from the glazing 500 by the double external clipping to the recess of the cover, clipping on the assembly element 6, and the use of the flexible tongues 46 instead of spring.
- a wall 68 of the connecting member 6 forms a parasitic anti-light at the bottom of the recess 70.
- FIG. 14 shows a partial cross-sectional schematic view of a luminous monolithic vehicle glazing 1400 in another embodiment. of the invention.
- the first transparent sheet 1 is made of organic glass, for example rectangular, transparent bimaterial polycarbonate (part 1) and opaque (part 6).
- the opaque polycarbonate at the periphery 6 forms the connecting element with support stops 3a, 6b of the support 3.
- the injection wafer 10 results from the recess 70 of the sheet 1 (part 6 more precisely) and differs from the edge 14 of the glazing.
- the assembly remains by rotation clipping, external to the recess 70, clipping into a cavity of the black polycarbonate 6, housing of the ball 61 in a cavity of the black polycarbonate.
- the cover 4 has ends 46 which support the diode support 3 for its maintenance.
- Polymeric encapsulation 7 is optional.
- FIG. 15 represents a partial schematic cross-sectional view of a luminous monolithic glazing of vehicle 1500 in another embodiment of the invention.
- the glazing 1500 differs from the glazing 1400 by the holding by two hooks 4, 44 'on the black polycarbonate 6, one in abutment 64 facing the main face 12 and the other in abutment 64' facing the edge of injection 10, the hood being of generally flat shape with a return, or "L".
- FIG. 16a shows a partial cross sectional schematic view of a vehicle light glazing 1600 in another embodiment of the invention and FIG. 16b a view from above.
- the cover 4 carries the source support 3 which is positioned using position-setting and position-keeping elements along the 3 axes of the orthogonal reference.
- the holding in position of the cover 4 blocks the third direction of the orthogonal reference and thus ensures the positioning between the emitting face 21 and the injection wafer 10.
- - serves as a mechanical stop to define the end position.
- the flat portion 82 which follows this end 81 thus accommodates the diode support 3.
- the setting in position is carried out by a step 83 to the right of the flat part, and by the flat part.
- the LED holder 3 is pinched by the upper lip 83 '(mounting
- Clips 64 are located at the bottom and distributed along the drawer 4. The clips 64 are offset downwardly relative to the flat portion 82 to allow deformation of the clip during clipping without colliding with the support of LEDs.
- a seal 5 (drawn in constrained state: deformed) is attached or made on the drawer or the connecting element) by bi-injection.
- the upper part 68 of the connecting element serves as a parasitic light hood.
- the protrusion below the small glass 1 serves to make sealing against PU 7 during injection (pressure exerted by pins in the mold or glue or seal ).
- the stiffeners / stops present in the assembly element 6 are not shown in out-of-LED sections for referencing with respect to the injection wafer.
- Figure 17a shows a partial schematic cross sectional view of a vehicle light glazing 1600 in another embodiment of the invention and Figure 17b a top view.
- the glazing 1700 differs from the glazing 1600 by clips 64 in lateral parts to the flat part 82.
- the guiding is by shaped / counter-shaped grooves in the lower part of the drawer 4 and the assembly element 6.
- the positioning of the module is done by the vertical plane portion to the right of the LED support 3, the vertical protrusion 83 to the left of the LED support (which can be localized or continuous) and the horizontal flat portion below the module.
- Figure 18 shows a partial schematic cross sectional view of a vehicle light glazing 1800 in another embodiment of the invention.
- the glazing 1800 differs from the glazing 1700 in that the positioning of the LED support against abutments 83 of the flat part 82 dips under the small glass 1: this gives the advantage of a reduced bulk and a maintained position by the small glass 1 in mounted position. Stiffeners / stops against the small glass are preferable (in the upper part for example).
- FIG. 19 shows a partial schematic cross sectional view of a vehicle light glazing 1900 in another embodiment of the invention.
- Top-Emitting LEDs (instead of Side-Emitting) are used and therefore the diode support 3 is vertical (parallel to the injection wafer 10).
- a tongue 83 ' vertical, maintains the support by local stress / strain.
- Clipping is contained in the assembly element 6, which simplifies the design of the drawer 4.
- the guidance is as for the glazing 1600 through lateral grooves out section.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2843411A CA2843411A1 (fr) | 2011-07-29 | 2012-07-30 | Vitrage lumineux de vehicule, fabrication |
MX2014001165A MX356962B (es) | 2011-07-29 | 2012-07-30 | Cristal de vidrio iluminado para un vehículo, y fabricación del mismo. |
KR1020147004808A KR101973219B1 (ko) | 2011-07-29 | 2012-07-30 | 차량용 조명 유리 패널 및 그의 제조 |
US14/236,021 US9397075B2 (en) | 2011-07-29 | 2012-07-30 | Illuminated glass panel for a vehicle, and manufacture thereof |
BR112014002267A BR112014002267A2 (pt) | 2011-07-29 | 2012-07-30 | painel de vidro luminoso de veículo e fabricação do mesmo |
EP12753764.5A EP2736767A1 (fr) | 2011-07-29 | 2012-07-30 | Vitrage lumineux de vehicule, fabrication |
CN201280047899.1A CN103842210B (zh) | 2011-07-29 | 2012-07-30 | 用于车辆的发光玻璃窗单元及其制造 |
EA201490343A EA027798B1 (ru) | 2011-07-29 | 2012-07-30 | Светоизлучающее стекло транспортного средства и его производство |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1157011A FR2978379B1 (fr) | 2011-07-29 | 2011-07-29 | Vitrage lumineux de vehicule, fabrication |
FR1157011 | 2011-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013017790A1 true WO2013017790A1 (fr) | 2013-02-07 |
Family
ID=46785753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2012/051792 WO2013017790A1 (fr) | 2011-07-29 | 2012-07-30 | Vitrage lumineux de vehicule, fabrication |
Country Status (11)
Country | Link |
---|---|
US (1) | US9397075B2 (fr) |
EP (1) | EP2736767A1 (fr) |
JP (1) | JP2014529541A (fr) |
KR (1) | KR101973219B1 (fr) |
CN (1) | CN103842210B (fr) |
BR (1) | BR112014002267A2 (fr) |
CA (1) | CA2843411A1 (fr) |
EA (1) | EA027798B1 (fr) |
FR (1) | FR2978379B1 (fr) |
MX (1) | MX356962B (fr) |
WO (1) | WO2013017790A1 (fr) |
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US10434846B2 (en) | 2015-09-07 | 2019-10-08 | Sabic Global Technologies B.V. | Surfaces of plastic glazing of tailgates |
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Also Published As
Publication number | Publication date |
---|---|
EA201490343A1 (ru) | 2014-06-30 |
EA027798B1 (ru) | 2017-09-29 |
KR101973219B1 (ko) | 2019-04-26 |
CN103842210A (zh) | 2014-06-04 |
US20140204601A1 (en) | 2014-07-24 |
FR2978379B1 (fr) | 2014-03-14 |
KR20140050075A (ko) | 2014-04-28 |
CN103842210B (zh) | 2017-08-15 |
US9397075B2 (en) | 2016-07-19 |
FR2978379A1 (fr) | 2013-02-01 |
MX356962B (es) | 2018-06-21 |
CA2843411A1 (fr) | 2013-02-07 |
MX2014001165A (es) | 2014-11-10 |
EP2736767A1 (fr) | 2014-06-04 |
BR112014002267A2 (pt) | 2017-02-21 |
JP2014529541A (ja) | 2014-11-13 |
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