WO2020126606A1 - Vitre pour un véhicule - Google Patents

Vitre pour un véhicule Download PDF

Info

Publication number
WO2020126606A1
WO2020126606A1 PCT/EP2019/084193 EP2019084193W WO2020126606A1 WO 2020126606 A1 WO2020126606 A1 WO 2020126606A1 EP 2019084193 W EP2019084193 W EP 2019084193W WO 2020126606 A1 WO2020126606 A1 WO 2020126606A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass pane
conductor
glass
pane according
film
Prior art date
Application number
PCT/EP2019/084193
Other languages
German (de)
English (en)
Inventor
David BERTEL
Stefan Droste
Christian EFFERTZ
Thomas HOLTSTIEGE
Guillaume Francois
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
Priority to EP19813360.5A priority Critical patent/EP3900106A1/fr
Priority to CN201980004236.3A priority patent/CN111602290A/zh
Publication of WO2020126606A1 publication Critical patent/WO2020126606A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens

Definitions

  • the invention relates to a glass pane for a vehicle and its use.
  • Vehicles are increasingly being equipped with electrical components.
  • reception of signals from a navigation system or signals from communication systems may be mentioned here.
  • Navigation systems can e.g. be a satellite-based navigation satellite system (GNSS).
  • GNSS Global Positioning System
  • GLONASS GLObal Navigation Satellite System
  • Other navigation systems are e.g. possible on the basis of mobile radio systems.
  • Communication systems can e.g. Short-range radio systems for car-to-car or car-to-infrastructure or also mobile radio communication systems, e.g. 2nd / 3rd / 4th or 5th generation mobile communication systems.
  • the corresponding devices require breakthroughs that are susceptible to corrosion.
  • such devices often disturb the visual impression.
  • such devices also provide a source of noise and increased wind resistance.
  • Such antennas are also the target of vandalism.
  • GNSS antennas can be arranged inside the vehicle interior, for example below the dashboard or below the windshield.
  • electrically conductive layers such as infrared reflecting layers or low-E layers can prevent the transmission of electromagnetic radiation through the pane and block the GNSS signal.
  • Typical GPS antennas are implemented as flat antennas and typically as patch antennas and are known, for example, from WO 00/22695 A1, DE 202006011919 U1 or DE 202010011837 U1.
  • a flat metallic antenna structure on one side of a circuit board or a ceramic Carrier arranged.
  • a flat base plate is arranged on the opposite side as a ground plane.
  • the antenna structure and base plate are connected to an electrical receiving unit via electrical lines. Due to the material thickness of the printed circuit board or the ceramic carrier, the antenna has a certain thickness and is clearly visible and not very aesthetic when arranged directly on the windshield.
  • antennas are also provided on or in a glass pane.
  • connection of such antennas to systems remote from the glass pane is not without problems.
  • the antenna structure and a stripline structure are typically located on the pane such that a film F with the stripline is placed around the edge of the glass pane GS1 in the edge region of the pane.
  • a film F with the stripline is placed around the edge of the glass pane GS1 in the edge region of the pane.
  • the fastening area for the glass pane on a vehicle body A In the fastening area there is often adhesive KL (based on polyurethane).
  • KL based on polyurethane.
  • the previous stripline structures provided a conductor for the counterweight GN D (ground potential) in parallel with the actual antenna conductor in the same structure level.
  • the signal on the strip conductor is impaired.
  • the object of the present invention is to provide an improved glass pane for a vehicle in which an antenna and in particular a GPS antenna and in which a connection structure with improved properties can be integrated simply and inexpensively.
  • the glass pane according to the invention for a vehicle has at least one first glass layer, a film having two conductor layers being applied to the first glass layer, an antenna structure being provided by means of at least one of the two conductor layers, a connection structure to the antenna structure being provided by means of the two conductor layers Is provided, wherein the connection structure has a center conductor flanked by two side conductors, the center conductor and the flanking two side conductors being in one of the two conductor layers, a conductor being provided in the other of the two conductor layers is arranged essentially parallel to the center conductor and the flanking two lateral conductors, the flanking two lateral conductors and the conductor having essentially the same potential.
  • the film is folded around the first glass layer in the area of the connection structure. This enables the film with the antenna structure to be arranged on one side of the glass pane during, for. B. a connection area to the connection structure on the inside can be arranged.
  • the film is flexible. In a further embodiment of the invention, the film has a thickness of 25 mhi to 500 mhi
  • the film is essentially transparent in the wavelength range 400 nm -700 nm.
  • the distance between each of the two lateral conductors and the central conductor is between 50mhi min to 300mhi.
  • the center conductor has a width of 50mhi to 300mhi.
  • the film has a thickness of 25 mhi to 300 mhi.
  • the conductor layers have a height of 1 mhi-75 mhi. I.e. , The invention enables fine structures that are also suitable for high frequencies.
  • plated-through holes are arranged at least between one of the lateral conductors and the conductor opposite with respect to the film.
  • At least one of the two conductor layers is at least partially provided with a cover layer.
  • the antenna structure is designed to receive high-frequency signals.
  • the antenna structure can be configured to receive mobile radio communication signals and / or signals from a (satellite-based) positioning system.
  • the film has at least one material selected from the group comprising polyimide, polyurethane, polymethylene metacrylic acid, polycarbonate, polyethylene terephthalate, polyvinyl butyral, FR6, acrylonitrile-butadiene-styrene copolymer, polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybutylene terephthalate, polyamide.
  • a material can be used that is suitable on the one hand during manufacture as a carrier for conductor structures and optionally optically transparent and / or optionally easily connectable to a glass layer.
  • the glass pane preferably contains glass, particularly preferably flat glass, float glass, quartz glass, borosilicate glass, soda-lime glass or clear plastics, preferably rigid clear plastics, in particular polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, polystyrene, polyamide, polyester, polyvinyl chloride and / or mixtures from that.
  • glass particularly preferably flat glass, float glass, quartz glass, borosilicate glass, soda-lime glass or clear plastics, preferably rigid clear plastics, in particular polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, polystyrene, polyamide, polyester, polyvinyl chloride and / or mixtures from that.
  • the conductor structures have silver and / or copper and / or gold and / or aluminum and / or indium and / or graphenes.
  • the conductor structures can also be adapted to electrical and / or thermal and / or mechanical boundary conditions.
  • connection structure has a connection area for an electromechanical high-frequency connection element.
  • connection structure can have an SMA socket.
  • the glass pane is a laminated glass pane, the glass pane having a second glass layer, the film being introduced between the first glass layer and the second glass layer.
  • the film can be introduced both on the outside of a pane and between glass layers of a laminated glass pane.
  • a vehicle with a glass pane according to the invention in particular a land, sea, air or space vehicle, is provided.
  • the glass pane according to the invention is used for receiving signals for satellite-based navigation, in particular for receiving GNSS signals from the Navstar GPS, Galileo, Glonass, Beidou, Navic, QZSS.
  • the glass pane according to the invention is used to receive signals from a mobile communication system, in particular a 2nd, 3rd, 4th or 5th generation mobile communication system.
  • the invention is explained in more detail below with reference to a drawing and exemplary embodiments.
  • the drawing is a schematic representation and not to scale. The drawing in no way limits the invention.
  • 1 is a schematic overview with respect to the arrangement of foils, glass layer (s) in relation to a vehicle body to clarify aspects according to the prior art and the invention
  • 2 shows a cross section through a film in embodiments of the invention, illustrating the layer structure
  • FIG. 3 shows a schematic perspective view of a connection structure in embodiments of the invention
  • FIG. 4 shows a schematic view of a connection structure in embodiments of the invention.
  • the glass pane has at least a first glass layer GS2.
  • a film F with two conductor layers LS1, LS2 is applied to the first glass layer GS2.
  • a cross section of such a film is shown in FIG. 2. It can be applied by gluing / laminating or the connection in an autoclave (e.g. with laminated glass panes).
  • At least one of the conductor layers is structured, as will be described below.
  • the structuring can be created by different processes, e.g. through appropriate (screen) printing, (ablative) laser structuring, (wet chemical) etching, etc.
  • An antenna structure ANT is made available by means of at least one of the two conductor layers LS1, see FIG. 4.
  • the antenna structure ANT in FIG. 4 itself can be suitably chosen and can have, for example, a horn-like antenna, a polarized antenna, broadband antennas, etc. Furthermore, a connection structure GCPW to the antenna structure is made available by means of the two conductor layers LS1, LS2.
  • the connection structure GPCW has a center conductor ML on one side of the film, which is flanked by two side conductors L1, L2, the center conductor ML and the flanking two side conductors L1, L2 being in one of the two conductor layers, here in the conductor layer LS1.
  • a conductor GL is likewise provided, which is arranged essentially parallel to the center conductor ML and the flanking two side conductors L1, L2, the flanking two side conductors L1, L2 and the conductor GL essentially have the same potential.
  • the conductor GL takes up a width in the other conductor layer LS2 which is generally wider than the sum of the width b ML of the center conductor ML and the widths of the distances ai, a2 of each of the two side conductors L1, L2 from the center conductor ML.
  • the film F - as shown in FIG. 1 - is folded around the first glass layer GS2 in the region of the connection structure GCPW.
  • the film F is flexible. In a further embodiment of the invention, the film has a thickness h F of 25 pm to 500 pm. This enables easy provision of a bend, e.g. B. to fold around a layer of glass without having to preform it.
  • the film F is essentially transparent in the wavelength range 400 nm -700 nm. This can be provided by appropriate choice of the material.
  • the distance a, a2 of each of the two lateral conductors L1, L2 to the central conductor M L is between 50pm min to 300pm. It should be noted that the distances ai, a2 do not necessarily have to be identical, but can also be different. However, the distances are preferably identical,
  • the center conductor M L has a width OML of 50 pm to 300 pm.
  • the width of the center conductor M L can be dependent on the material used for the conductor layer LS1 and / or the frequency of the signals to be conducted.
  • one or more vias VIA - as indicated in FIG. 3 - are arranged at least between one of the lateral conductors L1 and the conductor GL opposite with respect to the film F.
  • the vias VIA can be arranged at a predetermined distance.
  • Through-holes VIA can also be provided in an analogous manner with respect to the second lateral conductor L2 and the opposite conductor GL. The distance can be based on the wavelength of the signals to be conducted.
  • the through-hole VIA can be used to adapt the characteristic impedance of the connection structure GCPW.
  • At least one of the two conductor layers LS1, LS2 is (at least) partially provided with a cover layer.
  • contact can be made at a suitable point with one of the conductor layers LS1, LS2 or their structures (L1, L2, ML, GL), e.g. to provide a connection to a ground potential GND.
  • the cover layer can prevent undesired contacting.
  • the antenna structure ANT is designed to receive high-frequency signals.
  • the antenna structure ANT can be configured to receive mobile radio communication signals and / or signals from a (satellite-based) positioning system.
  • the film F has at least one material selected from the group comprising polyimide, polyurethane, polymethylene metacrylic acid, polycarbonate, polyethylene terephthalate, polyvinyl butyral, FR6, acrylonitrile butadiene styrene copolymer, polyethylene, polypropylene, polyvinyl chloride, polystyrene, polybutylene terephthalate , Polyamide.
  • a material can be used that is suitable on the one hand during manufacture as a carrier for conductor structures and optionally optically transparent and / or optionally easily connectable to a glass layer.
  • the conductor layers LS1, LS2 have silver and / or copper and / or gold and / or aluminum and / or indium and / or graphenes. It should be noted that the conductor layers LS1, LS2 can have different materials. However, they preferably have the same materials. That is, the conductor structures can also be adapted to electrical and / or thermal and / or mechanical boundary conditions.
  • connection structure GCPW - as indicated in FIG. 1 - has a connection area S for an electromechanical high-frequency connection element.
  • the connection structure can have an SMA socket.
  • the SMA socket can e.g. B. have an angular arrangement, so that a low height is provided in the connection area.
  • vehicle windows are fitted as an installation part / replacement part with an electromechanical high-frequency connection element S in order to enable quick installation and reliable contacting.
  • the glass pane is a laminated glass pane, the glass pane having a second glass layer GS1, the film F being introduced between the first glass layer GS2 and the second glass layer GS1.
  • the film can be introduced both on the outside of a pane and between glass layers of a laminated glass pane.
  • the Foil F (with the respective conductor layers LS1, LS2) can be applied directly to one of the glass layers GS1, GS2, or an intermediate layer VF can be arranged above and / or below the foil F (with the respective conductor layers LS1, LS2).
  • the intermediate layer VF essentially serves to connect the glass layers GS1, GS2.
  • the intermediate layer VF can have recesses.
  • the intermediate layer VF contains at least one substance selected from the group comprising polybutylene terephthalate (PBT), polycarbonate (PC), polyethylene terephthalate (PET) and Polyethylene naphthalate (PEN), polyvinyl chloride (PVC), polyvinyl fluoride (PVF), polyvinyl butyral (PVB), ethylene vinyl acetate (EVA), polyacrylate (PA), polymethyl methacrylate (PMMA), polyurethane (PUR), and / or mixtures and copolymers thereof.
  • PBT polybutylene terephthalate
  • PC polycarbonate
  • PET polyethylene terephthalate
  • PEN Polyethylene naphthalate
  • PVC polyvinyl chloride
  • PVF polyvinyl fluoride
  • PVB polyvinyl butyral
  • EVA ethylene vinyl acetate
  • PA polyacrylate
  • PMMA polymethyl methacrylate
  • PUR polyurethan
  • a vehicle with a glass pane according to the invention in particular a land, sea, air or spacecraft (or combinations thereof) is provided.
  • the glass pane according to the invention is used for receiving signals for satellite-based navigation, in particular for receiving GNSS signals from the Navstar GPS, Galileo, Glonass, Beidou, Navic, QZSS.
  • the glass pane according to the invention is used according to one of the preceding claims 1 to 18 for receiving signals from a mobile communication system, in particular a 2nd, 3rd, 4th or 5th generation mobile communication system.

Landscapes

  • Joining Of Glass To Other Materials (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne une vitre pour un véhicule, présentant une première couche de verre (GS2), une feuille (F) présentant deux couches conductrices (LS1, LS2) étant appliquée sur la première couche de verre (GS2), une structure d'antenne étant mise à disposition au moyen d'au moins l'une des deux couches conductrices (LS1), une structure de raccordement (GCPW) à la structure d'antenne étant mise à disposition au moyen des deux couches conductrices, la structure de raccordement présentant un conducteur central (ML) qui est entouré de deux conducteurs latéraux (L1, L2), le conducteur central (ML) et ses deux conducteurs latéraux (L1, L2) se trouvant dans l'une (LS1) des deux couches conductrices, un conducteur (GL) étant mis à disposition dans l'autre (LS2) des deux couches conductrices, lequel conducteur est agencé de manière sensiblement parallèle au conducteur central (ML) et à ses deux conducteurs latéraux (L1, L2), les deux conducteurs latéraux (L1, L2) et le conducteur (GL) présentant sensiblement le même potentiel. L'invention concerne en outre l'utilisation de la vitre selon l'invention.
PCT/EP2019/084193 2018-12-21 2019-12-09 Vitre pour un véhicule WO2020126606A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19813360.5A EP3900106A1 (fr) 2018-12-21 2019-12-09 Vitre pour un véhicule
CN201980004236.3A CN111602290A (zh) 2018-12-21 2019-12-09 用于运输工具的玻璃制玻璃板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18215230.6 2018-12-21
EP18215230 2018-12-21

Publications (1)

Publication Number Publication Date
WO2020126606A1 true WO2020126606A1 (fr) 2020-06-25

Family

ID=64755471

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/084193 WO2020126606A1 (fr) 2018-12-21 2019-12-09 Vitre pour un véhicule

Country Status (4)

Country Link
EP (1) EP3900106A1 (fr)
CN (1) CN111602290A (fr)
MA (1) MA54500A (fr)
WO (1) WO2020126606A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000022695A1 (fr) 1998-10-12 2000-04-20 Amphenol Socapex Antenne a plaque
DE202006011919U1 (de) 2006-08-02 2006-10-19 Fuba Automotive Gmbh & Co. Kg Streifenleitungsantenne
DE202010011837U1 (de) 2010-08-26 2011-05-12 Kathrein-Werke Kg Keramik-Patch-Antenne sowie auf einer Leiterplatine sitzende Keramik-Patch-Antenne
US20140176374A1 (en) 2012-12-21 2014-06-26 Shan-Gow Lo Shark Fin Type Car Antenna Assembly
WO2016162251A1 (fr) 2015-04-08 2016-10-13 Saint-Gobain Glass France Vitrage à antenne pour véhicule
US20170237147A1 (en) * 2016-02-16 2017-08-17 GM Global Technology Operations LLC Wideband coplanar waveguide fed monopole applique antennas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000022695A1 (fr) 1998-10-12 2000-04-20 Amphenol Socapex Antenne a plaque
DE202006011919U1 (de) 2006-08-02 2006-10-19 Fuba Automotive Gmbh & Co. Kg Streifenleitungsantenne
DE202010011837U1 (de) 2010-08-26 2011-05-12 Kathrein-Werke Kg Keramik-Patch-Antenne sowie auf einer Leiterplatine sitzende Keramik-Patch-Antenne
US20140176374A1 (en) 2012-12-21 2014-06-26 Shan-Gow Lo Shark Fin Type Car Antenna Assembly
WO2016162251A1 (fr) 2015-04-08 2016-10-13 Saint-Gobain Glass France Vitrage à antenne pour véhicule
US20170237147A1 (en) * 2016-02-16 2017-08-17 GM Global Technology Operations LLC Wideband coplanar waveguide fed monopole applique antennas

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WATANABE ATOM O ET AL: "First Demonstration of 28 GHz and 39 GHz Transmission Lines and Antennas on Glass Substrates for 5G Modules", 2017 IEEE 67TH ELECTRONIC COMPONENTS AND TECHNOLOGY CONFERENCE (ECTC), IEEE, 30 May 2017 (2017-05-30), pages 236 - 241, XP033136057, DOI: 10.1109/ECTC.2017.329 *

Also Published As

Publication number Publication date
EP3900106A1 (fr) 2021-10-27
CN111602290A (zh) 2020-08-28
MA54500A (fr) 2022-03-30

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