DE19848753A1 - Windshield for a motor vehicle comprises a screen-printed concealment pattern which also covers the windshield area left free from the infrared reflecting coating - Google Patents

Windshield for a motor vehicle comprises a screen-printed concealment pattern which also covers the windshield area left free from the infrared reflecting coating

Info

Publication number
DE19848753A1
DE19848753A1 DE1998148753 DE19848753A DE19848753A1 DE 19848753 A1 DE19848753 A1 DE 19848753A1 DE 1998148753 DE1998148753 DE 1998148753 DE 19848753 A DE19848753 A DE 19848753A DE 19848753 A1 DE19848753 A1 DE 19848753A1
Authority
DE
Germany
Prior art keywords
windshield
area
screen
motor vehicle
covers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE1998148753
Other languages
German (de)
Other versions
DE19848753B4 (en
Inventor
Hans-Dieter Langer
Peter Schuesler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GM Global Technology Operations LLC
Original Assignee
Adam Opel GmbH
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 Adam Opel GmbH filed Critical Adam Opel GmbH
Priority to DE1998148753 priority Critical patent/DE19848753B4/en
Publication of DE19848753A1 publication Critical patent/DE19848753A1/en
Application granted granted Critical
Publication of DE19848753B4 publication Critical patent/DE19848753B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10339—Specific parts of the laminated safety glass or glazing being colored or tinted
    • B32B17/10348—Specific parts of the laminated safety glass or glazing being colored or tinted comprising an obscuration band
    • 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
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • 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
    • B32B17/10247—Laminated safety glass or glazing containing decorations or patterns for aesthetic reasons
    • 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
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/02—Windows; Windscreens; Accessories therefor arranged at the vehicle front, e.g. structure of the glazing, mounting of the glazing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/002—Windows; Windscreens; Accessories therefor with means for clear vision, e.g. anti-frost or defog panes, rain shields

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Window Of Vehicle (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The area (2) free from the infrared reflecting coating is also covered with a concealment pattern which is produced by a screen-printing process, takes the form of a dot array, and has a transparent area forming more than 20 % of the total patterned area.

Description

Die Erfindung betrifft eine Frontscheibe für ein Kraft­ fahrzeug, welche eine überwiegend Infrarotlicht reflek­ tierende Beschichtung und eine Freifläche ohne Refle­ xionsbeschichtung hat, hinter der ein von außen zu be­ einflussendes, elektronisches Bauteil oder eine Kodierung angeordnet ist und welche im Randbereich eine im Siebdruckverfahren erzeugte, aus einem Punktraster be­ stehende Kaschierung aufweist.The invention relates to a windshield for a force vehicle which has a predominantly infrared light reflect coating and an open area without reflect xions coating, behind which one can be from the outside influencing electronic component or coding is arranged and which one in the edge area Screen printing process generated, be from a dot screen has standing lamination.

Frontscheiben der vorstehenden Art werden derzeit gebaut. Die Reflexionsbeschichtung dient dabei dazu, eine uner­ wünscht starke Aufheizung des Fahrzeuginnenraumes zu ver­ hindern. Die Kaschierung im Randbereich hat vor allem den Zweck, den Klebebereich der Scheibe nach außen hin abzu­ decken, damit von dort her eine ungleichförmig verlau­ fende Klebefläche unsichtbar bleibt und der Kleber vor UV-Licht geschützt wird. Da die Reflexionsbeschichtung Signale für elektronische Systeme im Inneren des Kraft­ fahrzeugs dämpft, ordnet man beispielsweise für ein auto­ matisches Abbuchen von Straßenbenutzungsgebühren die hierzu notwendige Chipkarte in einer OBU (On Board Unit) hinter der Freifläche an, damit die vornehmlich im 5,8 GHz-Bereich liegenden Wellen möglichst ungehindert die Chipkarte erreichen können. Ähnliche Probleme durch eine Reflexionsbeschichtung können auftreten, wenn man hinter der Frontscheibe beispielsweise einen Regensensor zum automatischen Betätigen des Scheibenwischers oder eine Codierung zur Erkennung des Fahrzeugtyps anordnet. Durch die vorgesehene Freifläche in der Reflexionsschicht wird das Problem der Verminderung der Transmission für den gewünschten Bereich und damit das Problem der Schwächung von Signalen für eine Chipkarte oder ein anderes elektro­ nisches Bauteil zwar gelöst, jedoch sieht eine Freifläche in der Reflexionsschicht von außen häßlich aus, weil sie wie ein kleines Fenster in der Reflexionsschicht wirkt und das einheitliche Erscheinungsbild der Frontscheibe stört.Windscreens of the above type are currently being built. The reflective coating is used to make an un wishes to heat up the interior of the vehicle prevent. The lamination in the edge area has above all that Purpose of removing the adhesive area of the pane from the outside cover, so that there is a non-uniform lau adhesive surface remains invisible and the glue in front UV light is protected. Because the reflective coating Signals for electronic systems inside the force dampens the vehicle, for example, for a car automatic debiting of road tolls Chip card required for this in an OBU (On Board Unit) behind the open space, so that the 5.8 GHz range, the waves are as unimpeded as possible Can reach chip card. Similar problems caused by a Reflective coating can occur when looking behind the windshield, for example, a rain sensor  automatic actuation of the wiper or a Arranges coding to recognize the vehicle type. By the intended free space in the reflection layer is the problem of reducing transmission for the desired area and thus the problem of weakening of signals for a chip card or another electro African component solved, but sees an open area in the reflection layer from the outside ugly because it looks like a small window in the reflective layer and the uniform appearance of the windscreen disturbs.

Es ist durch die DE 40 33 188 auch schon bekannt, den Be­ reich auf der Frontscheibe, welcher zwischen zwei herun­ tergeschwenkten Sonnenblenden oberhalb des Rückspiegels verbleibt, mit einer diesen Bereich abdeckenden Kaschie­ rung zu versehen, welche ein Punktmuster aufweist. Die Kaschierung hat dabei in diesem Bereich die Funktion ei­ ner dritten Sonnenblende und verhindert eine Blendung des Fahrers durch Sonnenlicht, welches anderenfalls zwischen den beiden Sonnenblenden in das Kraftfahrzeug gelangen könnte. Mit dem Problem der Schwächung von Signalen für eine elektronische Chipkarte befaßt sich die Schrift nicht.It is also known from DE 40 33 188, the Be rich on the windshield, which come down between two swiveled sun visors above the rearview mirror remains, with a Kaschie covering this area tion, which has a dot pattern. The In this area, lamination has the function egg ner third sun visor and prevents glare from the Driver by sunlight, which otherwise between get the two sun visors into the motor vehicle could. With the problem of weakening signals for an electronic chip card deals with the writing Not.

Der Erfindung liegt das Problem zugrunde, eine Front­ scheibe der eingangs genannten Art so auszubilden, daß in einem definierten Bereich die Transmission der Front­ scheibe möglichst hoch ist, ohne daß von außen eine wie ein kleines Fenster wirkende Freifläche sichtbar wird.The invention is based on the problem of a front disc of the type mentioned in such a way that in the transmission of the front in a defined area is as high as possible, without a like from the outside a small window-like open space becomes visible.

Dieses Problem wird erfindungsgemäß dadurch gelöst, daß die Kaschierung die Freifläche abdeckt und eine Durch­ sichtfläche von über 20% aufweist. This problem is solved according to the invention in that the lamination covers the open area and a through has a visible area of over 20%.  

Eine solche Kaschierung behindert nur unwesentlich die Sicht aus dem Fahrzeug heraus nach außen. Sie sorgt je­ doch dafür, daß der von ihr bedeckte Frontscheibenbereich von außen her dunkel erscheint, so daß die Freifläche in der Reflexionsschicht von außen unauffällig wird. Die Durchsichtfläche der Kaschierung kann besonders groß sein, wenn eine PVB-Folie der Frontscheibe im Bereich der Freifläche eingefärbt ist.Such a lamination insignificantly hinders the View from the outside of the vehicle. She cares but that the windshield area covered by it appears dark from the outside, so that the open space in the reflection layer becomes inconspicuous from the outside. The The visible area of the lamination can be particularly large be if a PVB film on the windscreen is in the area of Free space is colored.

Die fahrzeuginnenseitig an der Windschutzscheibe im Be­ reich der Freifläche befestigte Chipkarte (OBU) ist auch vom Fahrzeuginneren nicht zu sehen, wenn gemäß einer an­ deren Weiterbildung der Erfindung die Freifläche im Be­ reich eines Rückspiegels des Kraftfahrzeugs vorgesehen ist.The inside of the vehicle on the windshield in the Be chip card (OBU) attached to the open space is also rich not to be seen from inside the vehicle if according to one whose development of the invention, the open space in the loading provided a rear-view mirror of the motor vehicle is.

Zur weiteren Verdeutlichung der Erfindung wird nachfol­ gend auf die Zeichnung Bezug genommen. Diese zeigt eine Ansicht eines Teilbereiches einer Frontscheibe 1, welche außenseitig mit einer nicht dargestellten Reflexions­ schicht versehen ist, die aus mehreren Metallschichten besteht. Diese Reflexionsschicht ist durch eine in diesem Ausführungsbeispiel gezeigte Freifläche 2 im oberen Bereich der Frontscheibe 1 unterbrochen. Die Frontscheibe 1 weist desweiteren eine Kaschierung 3 auf, welche im Siebdruckverfahren auf der Frontscheibe 1 aufgebracht wurde und aus einer Vielzahl schwarzer Punkte besteht. Entlang der oberen Kante der Frontscheibe 1 ist diese Kaschierung 3 im Bereich der Freifläche 2 so breit, daß sie über die Freifläche 2 führt. Wie allgemein üblich, können die einzelnen Punkte der Kaschierung 3 zur Schei­ benmitte hin im Durchmesser kleiner werden. Insgesamt soll die Kaschierung 3 eine Durchsichtfläche von über 20% haben. To further illustrate the invention, reference is made hereinafter to the drawing. This shows a view of a portion of a windshield 1 , which is provided on the outside with a reflection layer, not shown, which consists of several metal layers. This reflection layer is interrupted by a free surface 2 shown in this exemplary embodiment in the upper region of the front screen 1 . The windshield 1 has furthermore a lamination 3, which was applied by screen printing on the front window 1 and consists of a plurality of black dots. Along the upper edge of the windshield 1 , this lamination 3 in the area of the open area 2 is so wide that it leads over the open area 2 . As is customary, the individual points of the lamination 3 can become smaller in diameter towards the center of the disk. Overall, the lamination 3 should have a see-through area of over 20%.

Üblicherweise bestehen Frontscheiben für Kraftfahrzeuge aus mehreren aufeinanderliegenden Glasschichten. Die Kaschierung befindet sich dann auf der Innenseite der in­ nersten Glasschicht oder auf der Innenseite der äußeren Scheibe. Die zwischen zwei Glasschichten vorhandene PVB- Folie (Polyvenyl-Butadien-Folie) kann im oberen Bereich, in welchem sich die Freifläche 2 befindet, eingefärbt sein.Front panes for motor vehicles usually consist of several glass layers lying one on top of the other. The lamination is then on the inside of the very first glass layer or on the inside of the outer pane. The PVB film (polyvinyl butadiene film) present between two glass layers can be colored in the upper region in which the open area 2 is located.

Claims (3)

1. Frontscheibe für ein Kraftfahrzeug, welche eine über­ wiegend Infrarotlicht reflektierende Beschichtung und eine Freifläche ohne Reflexionsbeschichtung hat, hinter der ein von außen zu beeinflussendes, elektro­ nisches Bauteil oder eine Kodierung angeordnet ist und welche im Randbereich eine im Siebdruckverfahren erzeugte, aus einem Punktraster bestehende Kaschie­ rung aufweist, dadurch gekennzeichnet, daß die Kaschierung (3) die Freifläche (2) abdeckt und eine Durchsichtfläche von über 20% aufweist.1. Front screen for a motor vehicle, which has a predominantly infrared light-reflecting coating and an open area without a reflective coating, behind which an externally influencing, electronic component or coding is arranged and which in the edge area is a screen-printed, consisting of a dot pattern Kaschie tion, characterized in that the lamination ( 3 ) covers the open area ( 2 ) and has a see-through area of over 20%. 2. Frontscheibe nach Anspruch 1, dadurch gekennzeichnet, daß eine PVB-Folie der Frontscheibe (1) im Bereich der Freifläche eingefärbt ist.2. Front window according to claim 1, characterized in that a PVB film of the front window ( 1 ) is colored in the area of the open area. 3. Frontscheibe nach den Ansprüchen 1 oder 2, dadurch gekennzeichnet, daß die Freifläche (2) im Bereich eines Rückspiegels des Kraftfahrzeugs vorgesehen ist.3. Front window according to claims 1 or 2, characterized in that the free surface ( 2 ) is provided in the region of a rear-view mirror of the motor vehicle.
DE1998148753 1998-10-22 1998-10-22 Motor vehicle with a windscreen Expired - Fee Related DE19848753B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1998148753 DE19848753B4 (en) 1998-10-22 1998-10-22 Motor vehicle with a windscreen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1998148753 DE19848753B4 (en) 1998-10-22 1998-10-22 Motor vehicle with a windscreen

Publications (2)

Publication Number Publication Date
DE19848753A1 true DE19848753A1 (en) 2000-04-27
DE19848753B4 DE19848753B4 (en) 2005-02-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998148753 Expired - Fee Related DE19848753B4 (en) 1998-10-22 1998-10-22 Motor vehicle with a windscreen

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1698455A1 (en) * 2005-03-04 2006-09-06 Nippon Sheet Glass Company, Limited Panel
EP1698453A1 (en) * 2005-03-04 2006-09-06 Nippon Sheet Glass Company, Limited Panel
DE10332550B4 (en) * 2002-07-31 2007-05-31 Skoda Auto A.S. Laminated windshield for motor vehicles
JP2011201419A (en) * 2010-03-25 2011-10-13 Suzuki Motor Corp Windshield structure of vehicle
WO2020229260A1 (en) * 2019-05-13 2020-11-19 Volkswagen Ag Glass pane for a vehicle, pane/sensor unit and vehicle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532431C2 (en) * 1995-09-02 1998-07-02 Flachglas Automotive Gmbh Antenna pane in at least one window opening of a metallic body of a motor vehicle, in particular a passenger car

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532431C2 (en) * 1995-09-02 1998-07-02 Flachglas Automotive Gmbh Antenna pane in at least one window opening of a metallic body of a motor vehicle, in particular a passenger car

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Automobil Industrie,3/95,H.3,S.58 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10332550B4 (en) * 2002-07-31 2007-05-31 Skoda Auto A.S. Laminated windshield for motor vehicles
EP1698455A1 (en) * 2005-03-04 2006-09-06 Nippon Sheet Glass Company, Limited Panel
EP1698453A1 (en) * 2005-03-04 2006-09-06 Nippon Sheet Glass Company, Limited Panel
US7355517B2 (en) 2005-03-04 2008-04-08 Nippon Sheet Glass Company, Limited Panel
JP2011201419A (en) * 2010-03-25 2011-10-13 Suzuki Motor Corp Windshield structure of vehicle
WO2020229260A1 (en) * 2019-05-13 2020-11-19 Volkswagen Ag Glass pane for a vehicle, pane/sensor unit and vehicle
CN113840728A (en) * 2019-05-13 2021-12-24 大众汽车股份公司 Glass pane for a vehicle, glass sensor unit and vehicle

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Publication number Publication date
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