WO2024126149A1 - Ensemble de connexion comprenant un câble plat - Google Patents

Ensemble de connexion comprenant un câble plat Download PDF

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Publication number
WO2024126149A1
WO2024126149A1 PCT/EP2023/084225 EP2023084225W WO2024126149A1 WO 2024126149 A1 WO2024126149 A1 WO 2024126149A1 EP 2023084225 W EP2023084225 W EP 2023084225W WO 2024126149 A1 WO2024126149 A1 WO 2024126149A1
Authority
WO
WIPO (PCT)
Prior art keywords
flat cable
connection
pane
electrically conductive
composite
Prior art date
Application number
PCT/EP2023/084225
Other languages
German (de)
English (en)
Inventor
Francois HERMANGE
Bernhard Reul
Original Assignee
Saint-Gobain Glass France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint-Gobain Glass France filed Critical Saint-Gobain Glass France
Publication of WO2024126149A1 publication Critical patent/WO2024126149A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/46—Manufacturing multilayer circuits
    • H05K3/4688—Composite multilayer circuits, i.e. comprising insulating layers having different properties
    • H05K3/4691—Rigid-flexible multilayer circuits comprising rigid and flexible layers, e.g. having in the bending regions only flexible layers
    • 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
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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
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10293—Edge features, e.g. inserts or holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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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    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10376—Laminated safety glass or glazing containing metal wires
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H05B3/86—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
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    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/1011—Properties of the bulk of a glass sheet having predetermined tint or excitation purity
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    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10119—Properties of the bulk of a glass sheet having a composition deviating from the basic composition of soda-lime glass, e.g. borosilicate
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    • 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
    • B32B17/1022—Metallic coatings
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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
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    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10376—Laminated safety glass or glazing containing metal wires
    • B32B17/10385—Laminated safety glass or glazing containing metal wires for ohmic resistance heating
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    • B32B17/10376—Laminated safety glass or glazing containing metal wires
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    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03—Conductive materials
    • H05K2201/0332—Structure of the conductor
    • H05K2201/0388—Other aspects of conductors
    • H05K2201/0397—Tab
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/05—Flexible printed circuits [FPCs]
    • H05K2201/058—Direct connection between two or more FPCs or between flexible parts of rigid PCBs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09009—Substrate related
    • H05K2201/09081—Tongue or tail integrated in planar structure, e.g. obtained by cutting from the planar structure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/09445—Pads for connections not located at the edge of the PCB, e.g. for flexible circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/09472—Recessed pad for surface mounting; Recessed electrode of component
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/361—Assembling flexible printed circuits with other printed circuits
    • H05K3/363—Assembling flexible printed circuits with other printed circuits by soldering
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/368—Assembling printed circuits with other printed circuits parallel to each other

Definitions

  • the invention relates to a connection arrangement with a composite disk and a first flat cable, as well as a method for its production and its use.
  • Flat cables are widely used in vehicle construction. Flexible flat cables in particular are referred to as flat conductors, ribbon conductors or foil conductors and are used to create a movable electrical contact.
  • these flat cables are usually used, which consist of at least one thin carrier substrate and at least one metallic conductor track.
  • a cover layer can also be provided so that the flat cable as a whole is formed from a three-layer laminate.
  • Flat cables of this type are soldered to connection surfaces of an electrically conductive structure close to the edge of the composite pane and led out over this edge, where they are connected to a connection part, for example a round cable, at a distance from the edge of the composite pane.
  • flat cables are mainly used, which have a number of electrical conductor tracks.
  • the electrical conductor tracks are very thin. They have a thickness of, for example, between 0.03 mm and 0.1 mm.
  • the conductor tracks are made of copper, for example, which has proven itself because it has good electrical conductivity and is easy to process. At the same time, the material costs are relatively low.
  • Such flat cables have a first connection area for contacting an electrical component, for example a functional element, which is located in a composite pane. At the other end of the flat cable, which is led out of the composite pane, they have a second connection area.
  • the second connection area is intended for contacting an external connection part.
  • the connection part e.g. terminal
  • the connection part typically has pre-assembled connectors on one side, such as plugs or sockets, with which the flat cable can be connected to external electrical devices. Since the flat cable connections must extend into the area between two panes of the composite pane, the connections are already attached when the two panes and an intermediate layer are put together in the dust-free clean room area.
  • connection parts bring material or dust particles into the clean room, which contaminate or damage the composite pane.
  • connection part When producing composite panes with a functional element and connection part, it can happen that such composite panes and their connections are damaged or contaminated during production in the autoclave. Due to the mechanical and thermal stress, the connection part or the flat cable can also be damaged. This is disadvantageous from a manufacturing and economic point of view.
  • the functional element is designed in particular as an electro-optical functional element and is embedded in the intermediate layer of the composite pane.
  • the functional element is cut to the desired size and shape and inserted between films of the intermediate layer.
  • Typical intermediate layers are polyvinyl butyral films, which, in addition to their adhesive properties, have high toughness and high acoustic damping.
  • Such composite panes are glazing elements that contain the optoelectric functional element.
  • the electro-optical functional element typically contains an active layer between two surface electrodes. The optical properties of the active layer can be changed by a voltage applied to the surface electrodes.
  • electrochromic functional elements is an example of this.
  • SPD functional elements sustained particle device
  • PDLC functional elements polymer dispersed liquid crystal
  • the transmission of visible light through electrochromic or SPD/PDLC functional elements can be controlled by a voltage applied to the surface electrodes.
  • WO 2021156485 A1 discloses a connection arrangement comprising a composite disk with a functional element and a flexible flat cable, which contacts the functional element in the composite disk with its first and second connection region.
  • the flat cable is led out of the composite disk so that its third connection region is arranged outside the composite disk.
  • the invention is based on the object of providing a connection arrangement of the type mentioned at the outset which is simple and cost-effective to manufacture.
  • connection arrangement comprises at least one composite disc with at least one electrically conductive structure, a first flat cable with at least one electrical conductor track and a second flat cable with at least one electrical conductor track, wherein the first flat cable is electrically connected to the electrically conductive structure.
  • the first flat cable is led out of the composite pane and is electrically connected to the second flat cable outside the composite pane.
  • the second flat cable is arranged outside the composite pane.
  • the composite pane comprises a first pane and a second pane which are connected to an intermediate layer, as well as the at least one electrically conductive structure which is arranged on or between the first pane and the second pane.
  • connection arrangement is simple and inexpensive to manufacture.
  • the lamination of the first pane and the second pane with the intermediate layer and the first flat cable to form a composite pane can take place without the second flat cable, since the second flat cable is located outside the composite pane.
  • This enables particularly easy handling of the composite pane during manufacture in a clean room.
  • the second flat cable with its connection part does not interfere with the manufacture of the composite pane during the arrangement of the electrical structure and the first flat cable on the first pane or during the lamination of the two panes.
  • the manufacture of the connection arrangement is therefore faster and trouble-free.
  • the manufacture does not require any additional personnel costs and plant costs and investments can be saved, since damage and contamination (particularly in the clean room) caused by bulky connection parts are advantageously avoided.
  • the first flat cable is used for electrical connection to at least one electrical structure.
  • the at least one conductor track of the first flat cable is in particular galvanically connected to the electrically conductive structure.
  • the first flat cable and the second flat cable can each comprise a plurality of electrical conductor tracks, on which an electrical insulation layer made of plastic is arranged on at least one side.
  • the electrical conductor tracks are advantageously covered by an electrical insulation sheath.
  • the first flat cable and the second flat cable can have up to 20 conductor tracks.
  • the first flat cable and the second flat cable each have a first connection region with a first contact point of the at least one conductor track at a first end along the extension direction of the flat cable and a second connection region with a second contact point of the at least one conductor track at a second end.
  • the second connection area of the first flat cable can be arranged opposite the second connection area of the second flat cable.
  • the second flat cable can be electrically connected to the first flat cable after the composite pane has been manufactured, without contaminating or disrupting the manufacturing process of the composite pane.
  • the second flat cable can be arranged completely outside the composite pane.
  • the second connection area of the first flat cable and the second connection area of the second flat cable are thus arranged opposite one another, so that the contact points are in contact.
  • the first flat cable and/or the second flat cable is each an elongated electrical component with at least one conductor track, the width of which is significantly greater than the thickness.
  • the first flat cable and the second flat cable can be so thin (i.e. the thickness is so small) that they are flexible, in particular bendable.
  • a flexible flat cable is a flat body with two opposite sides, which can be made either flat or curved. In the flat (i.e. non-curved) state, the flat cable is arranged in one plane.
  • the first flexible flat cable is generally elongated and has two ends along its direction of extension.
  • the relatively small thickness of the flat cable offers a further advantage, since it can be laid in tighter radii and at the same time can extend around a pane edge into the composite sheath.
  • the electrical conductor tracks are arranged next to each other, at least in sections. Each electrical conductor track can be electrically contacted at two contact points spaced apart along the conductor track.
  • the contact points are areas of the conductor tracks where electrical contact is possible. In the simplest design, these are accessible areas of the electrical conductor tracks.
  • connection areas of the first flat cable and the second flat cable serve to electrically contact the conductor tracks, for which purpose the insulating sheath is not present or is removed at least at the contact points so that the conductor tracks are accessible.
  • the contact points of the conductor tracks in the first connection area and the second connection area are preferably located on the same side of the first and second flat cables respectively. This is typically the case when the electrical conductor tracks are applied to a carrier substrate, for example using a printing process, so that only openings (perforations) in the cover layer can be formed without damaging the conductor tracks.
  • the electrical conductor tracks are applied to an electrically insulating carrier substrate and thus firmly connected to the carrier substrate.
  • the carrier substrate is coated with the electrical conductor tracks, in particular using a printing process, for example screen printing.
  • the electrical conductor tracks are covered by an electrically insulating cover layer.
  • the carrier substrate and the cover layer together form the insulation sheath which envelops the electrical conductor tracks.
  • the first connection region and the second connection region preferably have no insulation layer only on the side facing away from the carrier substrate, at least at the contact points, i.e. the cover layer is removed there, e.g. provided with one or more openings (perforations).
  • the electrical conductor tracks are prefabricated, for example as strips of metal foil, and laminated between two insulation layers of electrically insulating material.
  • the insulation layers together form the insulation sheath which embeds the at least one electrical conductor track.
  • the first connection area and the second connection area preferably have no insulation layer on one side only, at least at the contact points.
  • the at least one electrical conductor track preferably contains or consists of a metallic material, for example copper, aluminum, stainless steel, tin, gold, silver or alloys thereof. If the electrical conductor tracks are produced as strips from a metal foil, the metal can be partially or completely tinned. This is particularly advantageous in order to achieve good solderability while at the same time providing corrosion protection. In addition, contacting with an electrically conductive adhesive is improved.
  • the electrical conductor tracks have a thickness of 10 pm to 300 pm, preferably 35 pm to 250 pm and in particular 75 pm to 100 pm.
  • Such thin conductor tracks are particularly flexible and can, for example, be easily laminated into composite panes and led out of them.
  • the electrical conductor tracks have a width of 0.1 mm to 100 mm, in particular from 1 mm to 50 mm and in particular from 10 mm to 30 mm. Such widths are particularly suitable for achieving sufficient current-carrying capacity in conjunction with the above-mentioned thicknesses.
  • the width of the first and/or second flat cable can be constant or vary.
  • the first and/or second flat cable can be widened in the region of the first connection region and/or the second connection region, for example only in the region of the second connection region.
  • first flat cable and the second flat cable have a length of 5 cm to 150 cm, preferably 10 cm to 100 cm and in particular 50 cm to 90 cm.
  • the first flat cable and the second flat cable can each have a total thickness of 35 pm to 300 pm [micrometers], preferably 50 pm to 150 pm and in particular 70 pm to 100 pm. It goes without saying that the length, width and thickness of the flat cable can be adapted to the requirements of the respective individual case.
  • the direction of the length defines the direction of extension.
  • the length and width directions span the first side and the second side opposite the first side.
  • the first side can also be called the top and the second side can also be called the bottom of the flat cable.
  • the first end and the second end are the opposite ends (end regions) of the flat conductor in the direction of extension.
  • the first flat cable and the second flat cable have an insulation layer on one or both sides, which is designed, for example, in the form of an insulation film.
  • the insulation layer is firmly connected to the electrical conductor tracks and, for example, glued.
  • the insulation layer preferably contains or consists of polyimide or polyester, particularly preferably polyethylene terephthalate (PET) or polyethylene naphthalate (PEN).
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • the insulation layer can also consist of an electrically insulating varnish, preferably a polymer varnish.
  • the insulation layer can also contain or consist of thermoplastics and elastomers such as polyamide, polyoxymethylene, polybutylene terephthalate or ethylene-propylene-diene rubber.
  • potting materials such as acrylate or epoxy resin systems can be used as the insulation layer.
  • the insulation layer preferably has a thickness of 10 pm to 300 pm, particularly preferably 25 pm to 200 pm and in particular 50 pm to 150 pm.
  • the insulation layer is bonded to the conductor tracks, for example, via an adhesive layer (for example epoxy).
  • the thickness of the adhesive layer is, for example, 10 pm to 150 pm and particularly preferably 25 pm to 75 pm.
  • Such insulation layers are particularly suitable for suitable for electrically insulating and mechanically stabilizing the conductor tracks as well as protecting them from mechanical damage and corrosion.
  • the one or more conductor tracks are completely covered by the insulation sheath, i.e. there is an insulation layer on both sides of the flat cable, with the two insulation layers together forming the insulation sheath.
  • the insulation sheath can consist in particular of the aforementioned carrier substrate and the cover layer.
  • the insulation sheath can also be formed by laminating the conductor tracks on both sides with two insulation layers.
  • Such flat cables with at least one insulation layer are so thin that they can be embedded between the individual panes in the thermoplastic intermediate layer of a composite pane and led out of it without difficulty.
  • the first flat cable is particularly suitable for contacting electrically conductive structures in composite panes, in particular opposing surface electrodes of an electro-optical functional element.
  • the first flat cable and the second flat cable have no insulation layer or other electrical insulation on one side in the first connection area and in the second connection area.
  • This enables simple electrical and in particular galvanic contacting of the flat cable.
  • the connection areas can be protected from corrosion by an electrically conductive coating, such as tinning, or an electrically non-conductive layer, such as soldering varnish. This protective layer is usually only removed, burned or otherwise penetrated during electrical contacting in order to enable electrical contact.
  • the contact points are designed as soldering contact points.
  • one or more openings in the insulation layer are provided in the first connection area and/or in the second connection area.
  • the opening extends completely onto the conductor track, i.e. it forms a material-free passage onto the conductor track.
  • the first flat cable can have a base section containing the first connection area and at least one strip-shaped section connected to the base section, which contains a third connection area, wherein the strip-shaped section can be folded or is folded over such that the third connection area faces the first connection area.
  • the first connection area can be provided with an electrically conductive structure and the third connection area with another electrically conductive structure in an electrically conductive manner, in particular galvanically.
  • the first flat cable then comprises a plurality of electrical conductor tracks.
  • the first flat cable serves for electrical connection to at least two electrical structures, which are preferably arranged opposite one another and are to be electrically contacted from two opposite sides (directions).
  • connection areas of the first flat cable and the electrically conductive structure is preferably made by soldering.
  • soldering soft soldering with a low-melting solder is preferred.
  • the electrically conductive connection can be made by gluing with an electrically conductive adhesive or clamps, for example by means of a metal clip, sleeve or plug connection.
  • the electrical contact can be made by direct contact of the electrically conductive areas, whereby this arrangement is firmly laminated into the composite pane and is thus secured against slipping.
  • the first flat cable can be electrically connected to the second flat cable via a soldered, pressure-fitted, joined or adhesive connection.
  • An electrical contact element can be provided in a pressure-fitted or joined connection.
  • the contact element can be designed according to a push-button principle, for example.
  • the contact element can be a push-button which is designed in two parts, with one push-button part being arranged on the first flat cable and a second push-button part being arranged on the second flat cable.
  • the first push-button part can be designed or fastened so as to be detachably attachable to the second push-button part.
  • the joined connection can in particular be a crimped connection, in which the first flat cable is connected to the second flat cable by deformation (for example squeezing, crimping, folding).
  • the second connection region of the second flat cable has a solder mass for forming an electrically conductive connection with the at least one contact point of the first flat cable.
  • the second connection region of the second flat cable comprises an adhesive tape for adhering the second flat cable to the first flat cable.
  • the second connection region of the first flat cable can comprise an adhesive tape for adhering the first flat cable to the second flat cable.
  • the first flat cable and the second flat cable are geometrically congruent, in particular identical, wherein the second connection region of the first flat cable and the second connection region of the second flat cable have a different orientation.
  • the second connection region of the first flat cable and the second connection region of the second flat cable are geometrically congruent.
  • the first connection area of the second flat cable is provided for connection to control electronics.
  • the first connection area of the second flat cable can be electrically connected to a connection part, in particular designed as a round cable.
  • the first connection area of the second flat cable can be located within a cable housing into which one end of the connection part is inserted.
  • the second flat cable can be soldered to the connection part.
  • At the other end of the connection part there can be a terminal designed as a plug or socket that can be connected to external electronics (e.g. control electronics).
  • the cable housing is made of polyamide, for example, and serves to electrically insulate the connection between the second flat conductor and the connection part.
  • the connection part is preferably soldered to the flat conductor using a lead-free solder.
  • the electrically conductive structure is preferably a surface electrode, a busbar, an antenna, a conductor loop of an alarm system or can be an electrically conductive coating which is designed as a surface electrode, a conductor element or an antenna.
  • Such electrically conductive coatings contain one or more electrically conductive, functional layers made of silver, gold, copper, nickel or chromium or a metal alloy.
  • the electrically conductive structure can be a surface electrode of a functional element arranged in the composite pane.
  • the functional element can be flat.
  • a functional element can be a photovoltaic module, preferably a thin-film photovoltaic module.
  • the surface electrodes contain at least one metal, a metal alloy or a transparent conductive oxide (transparent conducting oxide, TCO), for example silver, molybdenum, indium tin oxide (ITO) or aluminum-doped zinc oxide, and have layer thicknesses of, for example, 200 nm to 2 pm.
  • TCO transparent conducting oxide
  • the functional element in particular an electro-optical one, is preferably present as a multilayer film with two outer carrier films. In such a multilayer film, the surface electrodes and the active layer are arranged between the two carrier films.
  • outer carrier film here means that the carrier films form the two surfaces of the multilayer film.
  • the functional element can thus be provided as a laminated film that can be advantageously processed.
  • the functional element is advantageously protected from damage, in particular corrosion, by the carrier films.
  • the multilayer film contains at least a first carrier film, a first surface electrode, an active layer, a second surface electrode and a second carrier film in the order given.
  • the functional element can be divided into segments by insulation lines.
  • the insulation lines are in particular incorporated into the surface electrodes so that the segments of the surface electrode are electrically insulated from one another.
  • the individual segments of the surface electrode can be connected to an external voltage source independently of one another via a connection area and the first flat cable and second flat cable so that they can be controlled separately in the operating state.
  • a segment of the functional element has two connection areas. Each connection area has a contact. For example, different areas of the functional element, e.g. as a sun visor, can be switched independently.
  • the functional element is integrated via an intermediate layer between the first pane and the second pane of the composite pane.
  • the intermediate layer preferably comprises a first thermoplastic composite film as an adhesive layer that connects the functional element to the first pane, and a second thermoplastic composite film as an adhesive layer that connects the functional element to the second pane.
  • the intermediate layer is formed by at least the first and second thermoplastic composite films, which are arranged flat on top of one another and laminated together, with the functional element being inserted between the two layers. The areas of the composite films that overlap with the functional element then form the areas that connect the functional element to the panes.
  • thermoplastic composite films In other areas of the pane, where the thermoplastic composite films are in direct contact with one another, they can fuse during lamination in such a way that the two original layers may no longer be recognizable and a homogeneous intermediate layer is present instead.
  • the first thermoplastic composite film and the second thermoplastic composite film as an intermediate layer or adhesive layer preferably contain at least polyvinyl butyral (PVB), ethylene vinyl acetate (EVA) and/or polyurethane (PU), particularly preferably PVB.
  • the thickness of each thermoplastic composite film is preferably from 0.2 mm to 2 mm, particularly preferably from 0.3 mm to 1 mm, in particular from 0.3 mm to 0.5 mm, for example 0.38 mm.
  • the first pane and the second pane are preferably made of glass, particularly preferably soda-lime glass, as is usual for window panes.
  • the panes can also be made of other types of glass, for example quartz glass, borosilicate glass or aluminosilicate glass, or of rigid clear plastics, for example polycarbonate or polymethyl methacrylate.
  • the panes can be clear or tinted or colored. If the composite pane is used as a windshield (front pane), it should have sufficient light transmission in the central viewing area, preferably at least 70% in the main viewing area A in accordance with ECE-R43.
  • the first pane, the second pane and/or the intermediate layer may have further suitable coatings known per se, for example anti-reflective coatings, non-stick coatings, anti-scratch coatings, photocatalytic coatings or sun protection coatings or low-E coatings.
  • the thickness of the first pane and the second pane can vary widely and thus be adapted to the requirements in the individual case.
  • the first pane and the second pane advantageously have standard thicknesses of 0.7 mm to 25 mm, preferably from 1.4 mm to 2.5 mm for vehicle glass and preferably from 4 mm to 25 mm for furniture, devices and buildings, in particular for electric radiators.
  • the size of the panes can vary widely and depends on the size of the use according to the invention.
  • the first and the second pane have areas of 200 cm 2 to 20 m 2 , which are common in vehicle construction and architecture, for example.
  • a further aspect of the invention comprises a method for producing a connection arrangement according to the invention with the following steps: a) providing a first disk with at least one electrically conductive structure, in particular an electrically conductive layer, b) providing a first flat cable and a second flat cable, c) arranging the first flat cable on the at least one electrically conductive structure, d) Electrically contacting a conductor track of the first flat cable with the electrically conductive structure, e) Surface-connecting the first pane to a second pane via a thermoplastic intermediate layer to form a composite pane, wherein the first flat conductor is led out over an outer edge of the first pane and the at least one electrically conductive structure is arranged between the first pane and the second pane, f) Electrically connecting the conductor track of the first flat cable to a conductor track of the second flat cable, wherein the second flat cable is located outside the composite pane.
  • the advantage of the method according to the invention is that the second flat cable is attached to the first flat cable after the first pane has been connected to the second pane over a large area. Because the second flat cable is arranged outside the composite pane, the first pane can be connected to the second pane using only the first flat cable, so that the second flat cable with a connecting part does not hang on the pane in a disruptive manner during this process.
  • connection area of the first flat cable can be placed on the electrically conductive structure.
  • first connection area of the first flat cable can be fixed to the electrically conductive structure using a double-sided adhesive tape.
  • the contacting of the at least one electrically conductive structure can alternatively or additionally preferably be carried out using thermode, ultrasonic or induction soldering, crimping or gluing.
  • step e) the thermoplastic intermediate layer is arranged between the first pane and the second pane before bonding.
  • the bonding of the first pane and the second pane is preferably carried out under the influence of heat, vacuum and/or pressure.
  • Known methods for producing a composite pane can be used.
  • the first flat cable and the second flat cable can be bonded together using an adhesive tape.
  • the adhesive tape is arranged around the contact point. This seals the electrical connection between the first flat cable and the second flat cable and thus protects it from moisture.
  • the first pane has two electrically conductive structures, in particular two opposing surface electrodes of an electro-optical functional element, wherein the electro-optical functional element is arranged on the first pane via a thermoplastic adhesive layer, and in step e) the electro-optical functional element is arranged between the first pane and the second pane.
  • the surface electrodes are intended to be electrically connected to an external voltage source.
  • the contacting of the surface electrode with the first flat cable is preferably carried out by means of (thermode, ultrasonic or induction) soldering, crimping or gluing.
  • a conductive material in particular a paste, or a soldering contact is applied to at least one of the surface electrodes.
  • the paste contains silver or an alloy containing silver.
  • the conductive material is connected to the surface electrodes as so-called bus bars, for example strips of the electrically conductive material or electrically conductive prints.
  • the surface electrodes can be electrically contacted by means of a bus bar each.
  • bus bars thin and narrow metal foil strips or metal wires are used, which preferably contain copper and/or aluminum; in particular, copper foil strips with a thickness of about 50 pm are used.
  • the width of the copper foil strips is preferably 1 mm to 10 mm.
  • the metal foil strips or metal wires are placed on the surface electrode in a composite of thermoplastic layers during further processing of the functional element. In the subsequent autoclave process, a secure electrical contact between the bus bars and the surface electrode is achieved by the action of heat and pressure.
  • the electrical contact between the surface electrode and the bus bar can alternatively be made by soldering or gluing with an electrically conductive adhesive.
  • the busbars are attached to the surface electrodes by leaving the carrier foil, one surface electrode and the active layer out, so that the other surface electrode with the associated carrier foil protrudes. This can preferably be done along an edge area of the respective side of the functional element. A busbar can then be attached to the protruding surface electrode or the first flat cable can be directly contacted with the surface electrode. On the On the opposite side of the respective functional element, another busbar is attached in a corresponding manner to the other surface electrode.
  • connection arrangement in the vehicle sector or in the construction sector, in furniture, electrical devices or decorative items for contacting at least one electrically conductive structure, in particular two electrodes of an electro-optical functional element on or in a single-pane safety glass pane or a multi-pane laminated glass pane.
  • the first flat cable is used to contact opposing surface electrodes of an electro-optical functional element, for example an SPD functional element or PDLC functional element.
  • an electro-optical functional element for example an SPD functional element or PDLC functional element.
  • connection arrangement according to the invention is preferably used as building glazing or vehicle glazing, in particular as a windshield or roof window of a motor vehicle.
  • the invention further extends to a vehicle having the connection arrangement according to the invention.
  • Figure 1A is a schematic representation of a first
  • Figure 1C is a schematic representation of the embodiment of
  • Figure 2 is a schematic sectional view of a second
  • Figure 3A and Figure 3B are a schematic plan view of the first flat cable and the second flat cable of Figure 2, and
  • Figure 4 is a flow chart of an embodiment of the method according to the invention.
  • Figure 1A shows a schematic representation of a first embodiment of a composite pane 100 with a first flat cable 1, in which the first flat cable 1 is made from the composite pane 100.
  • the first flat cable 1 is flexible, in particular bendable.
  • the flat cable 1 has a plurality (here four) electrical conductor tracks 1.1, which are applied next to one another on a carrier substrate 1.7 made of an electrically insulating material, for example polyimide (PI) or polyethylene naphthalate (PEN).
  • the electrical conductor tracks 1.1 consist of a metallic material, for example copper.
  • the conductor tracks 1.1 can have been applied to the carrier substrate 1.7 using a printing process.
  • the conductor tracks 1.1 are covered by a cover layer made of an electrically insulating material, for example polyimide.
  • the carrier substrate 1.7 and the cover layer together form an insulating jacket in which the conductor tracks 1.1 are embedded.
  • the flat cable 1 has a length of 5 cm to 150 cm, for example.
  • the electrical conductor tracks 1.1 have a material thickness of 10 pm to 300 pm (for example 35 pm, 50 pm, 75 pm or 100 pm) and a width of 0.1 mm to 100 mm.
  • the carrier substrate 1.7 and the cover layer each have a thickness of, for example, 10 pm to 300 pm. Due to its flat dimensions, the first flat cable 1 can be easily laminated into the composite pane 00 and led out of it.
  • the first flat cable 1 and a second flat cable 2 ( Figure 1B) are geometrically congruent, in particular identical.
  • the second flat cable 2 also has four electrical conductor tracks 2.1, which are applied next to one another on a carrier substrate 2.7 made of an electrically insulating material, for example polyimide.
  • the electrical conductor tracks 2.1 consist of a metallic material, for example copper.
  • the second flat cable 2 has the same dimensions as the first flat cable 1.
  • the first flat cable 1 has a first connection area 1.2 at a first end 1.4 and a second connection area 1.5 at its second end 1.6.
  • the cover layer is removed at the first and second connection areas 1.2, 1.5 so that the conductor tracks 1.1 can be contacted in the first connection area 1.2 and in the second connection area 1.5.
  • the first connection area 1.2 and the second connection area 1.5 are arranged on the same side of the flat cable 1.
  • Each conductor track 1.1 has a contact point 1.3 at the first end 1.4 and a contact point 1.3 at the second end 1.6 of the first flat cable 1.
  • the second flat cable 2 has a first connection area 2.2 at a first end 2.4 and a second connection area 2.5 at its second end 2.6.
  • the cover layer is removed at the first and second connection areas 2.2, 2.5 so that the conductor tracks 2.1 can be contacted in the first connection area 2.2 and in the second connection area 2.5.
  • Each conductor track 2.1 of the second flat cable 2 also has a contact point at the first end 2.4 and a contact point 2.3 at the second end 2.6 of the second flat cable 2.
  • the contact points 1.3 and 2.3 are designed as solder contacts, for example.
  • the second flat cable 2 is flexible, in particular bendable.
  • Figure 1 B shows a situation in which the second flat cable 2 does not yet contact the first flat cable 1, wherein the second connection area 2.5 of the second flat cable 2 and the second connection area 1.5 of the first flat cable 1 have a different orientation.
  • Figure 1C shows a first embodiment of a connection arrangement 101 according to the invention.
  • Figure 1C shows the embodiment from Figure 1B.
  • the first flat cable 1 and the second flat cable 2 are connected in an electrically conductive manner, with the first flat cable 1 being led out of the composite pane 100 and being connected in an electrically conductive manner to the second flat cable 2 outside the composite pane 100.
  • the second flat cable 2 is completely outside the Composite disk 100 is arranged.
  • the second connection area 1.5 of the first flat cable 1 and the second connection area 2.5 of the second flat cable 2 have a different orientation.
  • the second connection area 1.5 of the first flat cable 1 and the second connection area 2.5 of the second flat cable 2 are opposite one another, so that the contact points 1.3 and 2.3 are in contact.
  • the contact points 1.3 in the second connection area 1.5 of the first flat cable 1 are soldered to the contact points 2.3 in the second connection area 2.5 of the second flat cable 2.
  • Figure 2 shows a second embodiment of a connection arrangement 101 according to the invention in a sectional view perpendicular to the pane plane in a schematic manner with a first flat cable 1' and a second flat cable 2', wherein the first flat cable 1' is arranged inside the composite pane 100.
  • the composite pane 100 is designed here, for example, as a front pane (windshield) or roof pane of a motor vehicle.
  • the composite pane 100 comprises a first pane 3 and a second pane 4, which are firmly connected to one another via a thermoplastic intermediate layer 5.
  • the composite pane 100 also comprises an electrically conductive structure 7, which can be designed as a busbar, an antenna, a conductor loop of an alarm system, heating wires, electrically conductive films, electrically conductive structures produced by screen printing or as an electrically conductive coating, in particular surface electrodes of an electro-optical functional element 6.
  • the first pane 3 and the second pane 4 are rigid.
  • the first pane 2 and the second pane 4 are approximately the same size and are made of glass, for example, of soda-lime glass, as is usual for window panes.
  • the panes 3 and 4 can also be made of other types of glass, for example quartz glass, borosilicate glass or aluminosilicate glass, or of rigid clear plastics, for example polycarbonate or polymethyl methacrylate.
  • the panes can be clear or tinted or colored.
  • the respective thickness of the first pane 3 and the second pane 4 can vary widely depending on the use and can, for example, be in the range of 1 mm to 24 mm for glass.
  • the intermediate layer 5 comprises up to three thermoplastic composite films, each of which is formed by a thermoplastic film with a thickness of, for example, 0.38 mm made of PVB, in which a functional element 6 can be embedded.
  • the electrically controllable functional element e can be a multilayer film consisting of an active layer between two electrically conductive structures 7, which serve as Surface electrodes are formed.
  • the active layer contains a polymer matrix with liquid crystals dispersed therein, which align themselves depending on the electrical voltage applied to the electrically conductive structures 7 (surface electrodes), whereby the optical properties can be regulated.
  • Two carrier films are each provided with an electrically conductive structure 7 pointing towards the active layer.
  • the carrier films consist of PET, for example, and have a thickness of 0.125 mm, for example.
  • the electrically conductive structures 7 (ITO coating) are applied to the carrier film with a thickness of approximately 100 nm and form the first surface electrode on the first carrier film and a second surface electrode on the second carrier film.
  • the two surface electrodes can be electrically contacted via busbars and can be electrically connected to the first flat cable.
  • the intermediate layer 5 can also be designed as a trilayer, for example, in which a film containing, for example, polyethylene terephthalate (PET) is arranged between two layers of the intermediate layer 5.
  • PET polyethylene terephthalate
  • the PET film then serves as a carrier for the electrically conductive structure 7 and can thus be part of an antenna.
  • the electrically conductive structure 7 can be designed as an antenna made of a transparent conductive coating, which is arranged, for example, on a side (III) of the first pane 3 facing the intermediate layer 5 or on the PET film.
  • the electrically conductive structure 7, designed as a transparent conductive coating, can serve as a heat-ray-reflecting coating for the purpose of sun protection, thermoregulation or heat insulation or as a heating layer for electrically heating the composite pane.
  • the electrically conductive structure 7 is connected via a contact point 1.3' in a first connection area 1.2' ( Figure 3A) of the first flat cable T.
  • the connection between the electrically conductive structure 7 and the contact point 1,3' is made, for example, by soldering, thermode soldering, gluing or clamping.
  • the first flat cable T has the first connection area 1.2' at a first end 1.4' arranged in the composite pane 100 and a second connection area 1.5' at its second end 1.6' arranged outside the composite pane 100.
  • the first end 1.4' of the first flat cable T is arranged inside the composite pane 100.
  • the first flat cable T therefore extends a little way into the composite pane 100, while the majority of its total length is directed outwards.
  • the first flat cable 1' and a second flat cable 2' are electrically connected outside the composite pane 100.
  • the second flat cable 2' is arranged completely outside the composite pane 100.
  • the second flat cable 2' is constructed identically to the first flat cable T.
  • the first flat cable T is guided around the edge of the first pane 3 and its adjoining section is adhesively and watertightly connected to the lower pane surface by an adhesive film. In this section, the first flat cable 1' can lie between the first pane 3 and a window flange supporting it.
  • the second connection area 1.5' of the first flat cable 1' and a second connection area 2.5' of the second flat cable 2' have a different orientation.
  • the second connection area 1.5' of the first flat cable 1' and the second connection area 2.5' of the second flat cable 2' are opposite one another, so that the contact points 1.3' and 2.3' are in contact.
  • the contact points 1.3' in the second connection area 1.5' of the first flat cable 1' are soldered to the contact points 2.3' in the second connection area 2.5' of the second flat cable 2'.
  • the first flat cable 1' can be electrically connected to the second flat cable 2' via a pressure, joining or adhesive connection.
  • a first connection area 2.2' of the second flat cable 2' is provided for connection to control electronics.
  • the first connection area 2.2' of the second flat cable 2 can be electrically connected to a connection part 8, in particular designed as a round cable.
  • the first connection area 2.2' of the second flat cable 2' can be located within a cable housing 9, into which one end of the connection part 8 is inserted.
  • the second flat cable 2' can be soldered to the connection part 8.
  • the cable housing 9 consists for example of polyamide and serves to electrically insulate the connection between the second flat cable 2' and connection part 8.
  • the connection part 8 is preferably soldered to the second flat cable 2' using a lead-free solder.
  • Figure 3A shows a schematic top view of the first flat cable 1' and the second flat cable 2' from Figure 2.
  • the first flat conductor 1' has two conductor tracks 1.1'.
  • the conductor tracks 1.T are completely covered by an insulating sheath, ie there is an insulating layer (e.g. polyimide) on both sides of the flat cable 1', with the two insulating layers together forming the insulating sheath.
  • the insulating sheath can also be formed by laminating the conductor tracks 1.1' on both sides with two insulating layers.
  • the second flat cable 2' is similar to the first flat cable 1'.
  • the second flat cable 2' also has two conductor tracks 2.1' that are covered by insulating layers.
  • the insulating layer has a material thickness of approximately 25 pm to 50 pm.
  • the conductor tracks 1, 2' and 2.1 ' are made of a foil of a highly electrically conductive metal, for example copper.
  • the thickness of the conductor tracks 1.1' and 2.1 ' is from 10 pm to 300 pm, for example 35 pm, 50 pm, 75 pm or 100 pm.
  • the conductor tracks 1.1 ' and 2.1 ' are glued to the insulating layer using suitable adhesive layers (e.g. acrylate or epoxy). The thickness of the adhesive layer can be 35 pm.
  • the first flat cable 1' has the first connection area 1.2' at the first end 1.4' and the second connection area 1.5' at its second end 1.6'.
  • the insulation layer is removed at the first and second connection areas 1.2', 1.5' so that contact points 1.3' are formed via which the conductor tracks 1.1' can be contacted.
  • the first connection area 1.2' and the second connection area 1.5' are arranged on the same side of the flat cable 1.
  • the second flat cable 2' has the first connection area 2.2' at the first end 2.4' and the second connection area 2.5' at its second end 2.6'.
  • the insulation layer is removed at the first and second connection areas 2.2', 2.5', so that the conductor tracks 2.1' have the contact points 2.3' and can be contacted.
  • the contact points 1.3' and 2.3' are designed, for example, as solder contacts.
  • the first flat cable 1' and/or the second flat cable 2' can be glued to one another using an adhesive tape 11.
  • the adhesive tape 11 is arranged around the contact point 2.3'.
  • the second flat cable 2' is electrically connected via a push button to a connection part 8, designed in particular as a round cable.
  • the flat cable 1' is electrically connected to the flat cable 2' ( Figure 3B) in its second connection area 1.5'.
  • Figure 3B shows a schematic representation of the first flat cable 1' and the second flat cable 2', wherein the first end 1.4' of the first flat cable 1' is intended to be arranged inside the composite pane 100.
  • the first flat cable T could therefore extend a little way into the composite pane 100.
  • the contact points 1.3' of the first connection area 1.2' contact the electrically conductive structure 7 arranged in the composite pane 100.
  • the first Flat cable T provided in its second connection area 1.5' with the second
  • the second flat cable 2' has the first connection area 2.2' at its first end 2.4' and the second connection area 2.5' at its second end 2.6'.
  • the insulation layer is removed at the first and second connection areas 2.2', 2.5', so that the conductor tracks 2.1' are contacted in the first connection area 2.2' and in the second connection area 2.5'.
  • Each conductor track 2.T of the second flat cable 2' has a contact point 2.3' at the first end 2.4' and a contact point 2.3' at the second end 2.6' of the second flat cable 2.
  • the contact points 2.3' are designed, for example, as solder contacts and have a solder mass.
  • the second connection area 2.5' of the second flat cable 2' comprises the adhesive tape 11 for adhering the second flat cable 2' to the first flat cable 1'.
  • the second connection region 1.5' of the first flat cable 1' can comprise the adhesive tape 11 for adhering the second flat cable 2' to the first flat cable T.
  • the second flat cable 2' is arranged outside the composite disk 100.
  • the second connection area 1.5' of the first flat cable T and the second connection area 2.5 of the second flat cable 2' have a different orientation.
  • the second connection area 1.5' of the first flat cable 1' and the second connection area 2.5' of the second flat cable 2' are opposite each other, so that the contact points 1.3' and 2.3' are in contact via the solder mass.
  • the contact points 1.3' in the second connection area 1.5' of the first flat cable 1' are soldered to the contact points 2.3' in the second connection area 2.5' of the second flat cable 2'.
  • Figure 4 shows a flow chart of a method according to the invention for producing the connection arrangement 101 according to the invention.
  • the method comprises at least the following method steps: a) providing a first disk 3 with at least one electrically conductive structure 7, in particular an electrically conductive layer, b) providing a first flat cable 1 and a second flat cable 2, c) arranging the first flat cable 1 on the at least one electrically conductive structure 7, d) electrically contacting a conductor track 1.1 of the flat cable 1 with the electrically conductive structure 7, e) Surface connection of the first pane 3 to a second pane 4 via a thermoplastic intermediate layer 5 to form a composite pane 100, wherein the first flat cable 1 is led out over an outer edge of the first pane 3 and the at least one electrically conductive structure 7 is arranged between the first pane 3 and the second pane 4, f) Electrically conductive connection of the conductor track 1.1 of the first flat cable 1 to a conductor track 2.1 of the second flat cable 2, wherein the second flat cable 2 is located outside the composite pane 100.
  • the first connection area 1.2 of the first flat cable 1 can be placed on the electrically conductive structure 7.
  • the first connection area 1.2 of the first flat cable 1 can be fixed to the electrically conductive structure 7 using a double-sided adhesive tape.
  • the contacting of the at least one electrically conductive structure 7 can alternatively or additionally preferably be carried out using thermode, ultrasonic or induction soldering, crimping or gluing.
  • step e) the thermoplastic intermediate layer 5 is arranged between the first pane 3 and the second pane 4 before bonding.
  • the bonding of the first pane 3 and the second pane 4 is preferably carried out under the influence of heat, vacuum and/or pressure.
  • Known methods for producing a composite pane 100 can be used.
  • the first flat cable 1 and the second flat cable 2 can be glued to one another using an adhesive tape 11.
  • the adhesive tape 11 is arranged around the contact point 2.3. This seals the electrical connection between the first flat cable 1 and the second flat cable 2 and thus protects it from moisture.
  • the first pane 3 has two electrically conductive structures 7, in particular two opposing surface electrodes of an electro-optical functional element 6, wherein the electro-optical functional element 6 is arranged on the first pane 3 via a thermoplastic adhesive layer (e.g. PVB), and in step e) the electro-optical functional element 6 is arranged between the first pane 3 and the second pane 4.
  • a thermoplastic adhesive layer e.g. PVB
  • the electrically conductive structures 7 as surface electrodes are intended to be electrically connected to an external voltage source.
  • the contacting of the surface electrode is preferably carried out by (thermode, ultrasonic or induction) soldering, crimping or gluing.
  • a conductive material in particular a paste, or a solder contact is applied.
  • the paste contains silver or a silver-containing alloy.
  • the conductive material is connected to the surface electrodes as so-called bus bars, for example strips of the electrically conductive material or electrically conductive prints.
  • the surface electrodes can be electrically contacted using a bus bar each.
  • connection arrangement according to the invention advantageously allows for simple and cost-effective production. Costs can be saved by subsequently attaching a second flat cable and the connection arrangement thus created.
  • connection arrangement according to the invention is easy to integrate into the technical environment.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Insulated Conductors (AREA)

Abstract

L'invention concerne un ensemble de connexion (101), un premier câble plat (1, 1') étant connecté par conduction électrique à une structure électroconductrice (7) disposée dans un panneau composite, et le premier câble plat (1, 1') étant acheminé hors du panneau composite (100) et étant connecté électriquement par conduction à un second câble plat (2, 2') à l'extérieur du panneau composite (100), et le second câble plat (2, 2') étant disposé à l'extérieur du panneau composite (100), et le premier câble plat (1, 1') et le second câble plat (2, 2') comprenant chacun - une première région de connexion (1.2, 1.2', 2.2, 2.2') à une première extrémité (1.4, 1.4', 2.4, 2.4') et - une seconde région de connexion (1.5, 1.5', 2.5, 2.5') à une seconde extrémité (1.6, 1.6', 2.6, 2.6').
PCT/EP2023/084225 2022-12-14 2023-12-05 Ensemble de connexion comprenant un câble plat WO2024126149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22213453 2022-12-14
EP22213453.8 2022-12-14

Publications (1)

Publication Number Publication Date
WO2024126149A1 true WO2024126149A1 (fr) 2024-06-20

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Application Number Title Priority Date Filing Date
PCT/EP2023/084225 WO2024126149A1 (fr) 2022-12-14 2023-12-05 Ensemble de connexion comprenant un câble plat

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Country Link
WO (1) WO2024126149A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0876608B1 (fr) 1995-11-27 2002-04-17 Fuhr, Günter Procede et dispositif de production de phenomenes de resonance dans des suspensions de particules
EP2091307A1 (fr) * 2006-11-15 2009-08-19 Panasonic Corporation Structure de connexion de carte de circuit imprimé et carte de circuit imprimé
WO2011033313A1 (fr) 2009-09-18 2011-03-24 Pilkington Group Limited Vitrage feuilleté
EP3675294A1 (fr) * 2017-08-22 2020-07-01 Alps Alpine Co., Ltd. Connecteur rotatif et son procédé d'assemblage
WO2021156485A1 (fr) 2020-02-07 2021-08-12 Saint-Gobain Glass France Ensemble de raccordement doté d'un câble plat souple
WO2022069293A1 (fr) * 2020-09-30 2022-04-07 Saint-Gobain Glass France Connexion de ligne électrique pour réaliser un contact électrique avec une électrode de surface

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0876608B1 (fr) 1995-11-27 2002-04-17 Fuhr, Günter Procede et dispositif de production de phenomenes de resonance dans des suspensions de particules
EP2091307A1 (fr) * 2006-11-15 2009-08-19 Panasonic Corporation Structure de connexion de carte de circuit imprimé et carte de circuit imprimé
WO2011033313A1 (fr) 2009-09-18 2011-03-24 Pilkington Group Limited Vitrage feuilleté
EP3675294A1 (fr) * 2017-08-22 2020-07-01 Alps Alpine Co., Ltd. Connecteur rotatif et son procédé d'assemblage
WO2021156485A1 (fr) 2020-02-07 2021-08-12 Saint-Gobain Glass France Ensemble de raccordement doté d'un câble plat souple
WO2022069293A1 (fr) * 2020-09-30 2022-04-07 Saint-Gobain Glass France Connexion de ligne électrique pour réaliser un contact électrique avec une électrode de surface

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