Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
  • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
  • H03K17/96—Touch switches
  • H03K17/962—Capacitive touch switches
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
  • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
  • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
  • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
  • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
  • B32B17/10165—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
  • B32B17/10183—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer being not continuous, e.g. in edge regions
• • 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
  • B32B17/10651—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 comprising colorants, e.g. dyes or pigments
  • B32B17/10669—Luminescent agents
• • 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
• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
  • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
  • C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
  • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
  • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
  • H03K17/96—Touch switches
  • H03K17/962—Capacitive touch switches
  • H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
  • C03C2217/00—Coatings on glass
  • C03C2217/40—Coatings comprising at least one inhomogeneous layer
  • C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
  • C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
  • C03C2217/48—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase having a specific function
  • C03C2217/485—Pigments
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
  • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
  • H03K2217/96—Touch switches
  • H03K2217/9607—Capacitive touch switches
  • H03K2217/960755—Constructional details of capacitive touch and proximity switches

Definitions

• Glazing with integrated switching device a method for its production and its use
• the present invention relates to a glazing with integrated switching device, a process for their preparation and their use.
• US 6,452,514 B1 discloses a device and method with capacitive sensors or arrays of capacitive sensors for triggering a switching operation.
• a touch switch with integrated light emitter control which contains a carrier strip with light emitting diode, drive circuit and contact surfaces.
• the present invention has for its object to provide an improved glazing, which includes a simple and inexpensive integrated switching device.
• a further object of the present invention is to provide an improved method for producing a glazing with integrated switching device.
• Another object of the invention is to find a new use of the glazing.
• the glazing with integrated switching device comprises, on a disc an electrically conductive coating, at least one electrode formed by isolation regions in the electrically conductive coating, at least one button formed by at least one electrode, wherein the sum of the buttons at most 1/10 of the surface of the glazing is.
• the advantage of the glazing according to the invention is that the electrically conductive coating with a first function can additionally be designed as a button.
• Examples of a first function of an electrically conductive coating are the reflection of thermal radiation or the heatability of glazings.
• the sum of the buttons is at most 1/20 and more preferably at most 1/50 of the surface of the glazings.
• the glazings according to the invention can have areas of 100 cm 2 to 18 m 2 .
• the glazings surfaces Preferably, the glazings surfaces of 400 cm 2 to 4 m 2 , as are customary for glazing of motor vehicles and of architectural and architectural glazings.
• the insulation regions have a width of 5 ⁇ m to 5 mm and preferably of 10 ⁇ m to 2 mm.
• the isolation areas may be formed by removing the coating or by circulating electrical isolation lines around the isolation region.
• the isolation region may be electrically conductive and must be electrically isolated from the potential of the electrodes and a ground potential.
• the isolation regions provide good capacitive properties for detecting a body through the disk on the button.
• the electrically conductive coating preferably has a layer thickness of 10 nm to 1 ⁇ m, and particularly preferably a layer thickness of 30 nm to 300 nm. These thicknesses provide good capacitive properties for detecting a body through the disk on the button.
• the electrically conductive coating contains conductor tracks having a width of 5 ⁇ m to 5 mm and preferably of 10 ⁇ m to 2 mm.
• the conductor tracks of the electrodes have a width of 5 ⁇ m to 5 mm and preferably of 10 ⁇ m to 2 mm.
• the electrodes provide good capacitive properties for detecting a body through the disk on the button.
• the electrodes have spiral-like, comb-like or meander-like shapes.
• the electrodes are connected to wiring and contact areas with a flat conductor in order to easily and for the user barely visible to lead the contacts out of the active glazing out.
• an adhesive layer is additionally applied to the electrically conductive coating and a cover plate is applied to the adhesive layer, and the glazing is connected to form a laminated safety glass.
• the glazing with integrated switching device can according to the invention, however, also be a single-pane safety glass.
• the adhesive layer contains organic and / or inorganic luminescent pigments.
• the glazing can be used as a projection surface for so-called head-up displays, for example, to dynamically mark the buttons for the operator.
• the electrically conductive coatings contain conductive, preferably transparent and conductive materials and particularly preferably silver, zinc oxide, indium tin oxide, gallium, tin oxide, gold, copper, tungsten and / or mixtures thereof.
• Silver may be applied as a conductive constituent of a screen-printing paste but preferably as at least one transparent silver layer with layer thicknesses of 5 nm to 30 nm in the electrically conductive coating.
• the invention is particularly advantageous if the glazing contains a thermal radiation-reflecting conductive coating with a g-value ⁇ 75%.
• G value means according to ISO 9050: 2003-08 total solar energy through the laminate according to the invention of a glazing.
• the g-value of a glazing is calculated from the directly transmitted sunlight and the secondary infrared radiation radiated from the laminate into the interior.
• buttons are capacitive buttons.
• the buttons can also have inductive, thermal or all other sensor functions that are non-contact.
• a signal circuit is connected to a supply and evaluation electronics, wherein the contact areas of the electrodes are connected via the signal circuit to the supply and evaluation electronics.
• the supply electronics feeds at least one electrical alternating signal in the range of preferably 0.1 MHz to 10 MHz.
• the transmitter preferably measures changes in the impedance between the electrodes and prepares the further evaluation of the switching process or completes the process by controlling an actuator, circuit breaker or a display device.
• the signal circuit includes a high-pass filter. About the high-pass filter AC signals of the transmitter can be separated from the DC circuit.
• buttons For switching a plurality of operations, it is particularly advantageous according to the invention to form at least two buttons to a switching field.
• intermediate regions are arranged between the button and the electrically conductive layer and or between the electrodes and have an electrical potential difference to the electrically conductive coating and / or the electrodes. This is particularly advantageous if the electrically conductive coating is at ground potential in order to minimize the switching sensitivity outside the button. Intermediate areas that are not at ground potential increase the sensitivity of the button.
• the object of the invention is further achieved by a method for producing a glazing according to the invention, wherein an electrically conductive coating is applied to a pane, are formed in the electrically conductive coating by insulating regions electrodes, wiring of the electrodes and contact areas and at least the contact areas on the electric conductive coating with at least one flat conductor via signal circuits to the supply and evaluation electronics are connected.
• the coatings can be applied by physical or chemical deposition from the gas phase but also by printing processes.
• the coatings are applied by the method of sputtering.
• contact regions are connected to the flat conductor by a conductive adhesive or solder, preferably by ultrasonic soldering.
• the isolation regions are introduced into the electrically conductive coating by laser ablation or mechanical abrasion.
• the electrically conductive coating is particularly preferably removed linearly.
• FIG. 1 is a plan view of an embodiment of a glazing (I) according to the invention.
• Fig. 2 shows a cross section through an embodiment of an inventive
• Glazing (I) according to the section A-A 'of Fig. 1,
• FIG. 3 shows a longitudinal section through an embodiment of a glazing according to the invention (I) according to the section B'-B of Fig. 1
• Fig. 4 shows a cross section with schematic interconnection of an active glazing (I) according to the invention according to the section A-A of
• FIG. 5 shows a cross section of an active glazing (I) according to the invention according to section A-A 'of FIG. 1, FIG.
• Fig. 6 is a plan view of an embodiment of an inventive
• FIG. 8 is a schematic plan view of a further embodiment of a glazing according to the invention (I) with a schematic interconnection of the invention.
• FIG. 9 shows a flowchart of a method according to the invention for indicating a state of an active glazing (I) and a plan view of exemplary embodiments of the status display,
• FIG. 10 is a plan view of an inventive embodiment of a display panel of an active glazing (I) and 1 1 is a flow chart of a method according to the invention for producing a glazing (I) according to the invention.
• FIGS 1 to 3 show a plan view of a cross section and a longitudinal section through an embodiment of a glazing (I) according to the invention.
• an electrically conductive transparent heat reflective coating (1) having a transparent conductive silver layer was applied.
• the glazing (I) had a g-value of 70%.
• the total layer thickness of the coating (1) was 200 nm.
• the area of the glazing (I) with the electrically conductive coating (1) was 5000 cm 2 .
• spiral insulation regions (6) were present with a width of 0.1 mm.
• the isolation regions (6) electrically separated two nested helical electrodes (2a) (3a).
• the conductor tracks of the electrodes (2a) (3a) had a width of 1 mm.
• cable guides (2b) (3b) and contact regions (2c) (3c) were electrically separated from the electrically conductive layer structure (1).
• the contact regions (2c) (3c) were connected to flat conductors (10).
• the electrodes (2a) (3a), line guides (2b) (3b) and contact areas (2c) (3c) were transparent and not or hardly visible to the viewer.
• the electrodes (2a) (3a) were excited with an alternating voltage of 2 MHz and an alternating electric field was generated.
• an impedance between the electrodes was measured.
• a body for example a human finger
• the electric field changed and, as a consequence, the impedance between the electrodes (2a) (3a).
• the change in impedance was measured.
• the alternating electric field penetrated the glass pane (5).
• a button (16) having an area of 9 cm 2 was produced in the region of the electrodes (2a) (3a) by the alternating field.
• the electrically conductive coating (1) outside the electrode region (2a) (3a) was grounded via a further contact region (3c).
• intermediate regions (7) between the electrically conductive coating (1) and the electrodes (2a) (2b) were electrically insulated from the electrically conductive coating (1) via further insulation regions (6).
• the disk (5) with the electrically conductive coating (1), the insulation regions (6) and parts of the flat conductor (10) were connected via an adhesive layer (9) with polyvinyl butyral and luminescent particles with a cover plate (8).
• the cover disc (8) was outboard in the vehicle.
• the button (16) was aligned to the passenger compartment.
• the button (16) could be operated from the interior of the vehicle.
• the button (16) was dynamically marked via luminescence in the polyvinyl butyral via a dynamic projection (head-up display, not shown) in the vehicle.
• a transparent button (16) could be formed in a simple manner from regions of a heat-reflecting and heatable layer (1) of a windshield that can be used to control functions of the vehicle.
• FIG. 4 shows an alternative cross-section with schematic interconnection of an active glazing (I) according to the invention according to section AA of FIG. 1.
• the glazing (I) contained an electrochromic layer structure (15) between the electrode structures (2a) (3a) and an additional further electrically conductive layer (14).
• an electrochromic layer structure (15) between the electrode structures (2a) (3a) and an additional further electrically conductive layer (14).
• the signal circuit contained a switch (19) which was connected to the supply and evaluation electronics (13).
• the transmittance of the active glazing (I) on an area of about 4990 cm 2 could be adjusted.
• the power circuit (12) also contained at least one switch (19), which was also connected to the supply and evaluation electronics (13).
• the independent Switching possibility of display area (16) and the remaining area of the active glazing (I) was first the fast-reacting display surface (16) are switched and then the remaining surface of the active glazing (I).
• the electrodes (2a) (3a) were further used to form the alternating electric field of a button (16), so that a combined switching and display surface (16) was present.
• the electrodes (2a) (3a) were excited with an AC voltage of 2 MHz to provide an AC electric field for the button (16).
• the contact areas (2c) (3c) were connected to the supply and evaluation electronics (13) via a signal circuit (11). A high pass in the signal circuit (1 1) separated the alternating voltages and the DC voltages.
• a switch (19) for the display area was closed and the active layer structure (15) first changed its state in the display area (16). Due to the small area of 9 cm 2 , the layer structure (15) in the display area (16) changed the transmittance within 10 ms to 10 s. The operator was informed about the detection within a short time. The change in the switching state of the active glazing with an area of 4990 cm 2 was then carried out within a period of 20 s to 3600 s.
• FIG. 5 shows a further embodiment of the active glazing according to the invention according to the exemplary embodiment of FIG. 4.
• the difference from the glazing according to FIG. 4 lies in the fact that insulation regions (6) were additionally introduced into the active layer structure (15).
• the sensitivity of the switching region (16) and / or the reaction time of the display region (16) could be further increased.
• FIG. 6 shows embodiments of the inventive heat-insulating glazing (I) with a button (16) or a configuration as an active electrochromic glazing with switching and display surface (16).
• the electrically conductive layer structure (1) was edge-coated in the edge area (4) of the pane (5) in a frame shape and was at ground potential.
• the active glazing (I) was connected via switchable power circuits (12) and switchable signal circuits (1 1) to the supply and evaluation electronics (13).
• FIG. 7 and 8 show a continuation of the embodiment according to FIG. 6, an inventive heat protection glazing with a field of buttons (16.1) (16.2) or in an alternative embodiment an active electrochromic glazing with a field of switching and / or display surfaces (16.1) (16.2).
• the electrodes (2a) (3a), the wirings (2b) (3b) of the electrodes (2a) (3a) were arranged so as to avoid overlapping outside the display area (16). In particular, a control of the active layer structure (15) in the region of the line feeds (2b) (3b) was thereby avoided.
• FIG. 9 shows in detail an embodiment of a method according to the invention for activating or deactivating an electrochromic glazing (I) and the state change from opaque to transparent within the display area (16) and on the remaining active glazing (I) with the electrically conductive coating (1).
• Fig. 10 shows a field of display surfaces (16.1) (16.2) (16.3) (16.4) for indicating intermediate states in the transmittance of an electrochromic glazing (I) for the information of an operator.
• the active glazing (I) could be switched from completely transparent to opaque via three intermediate states, and the selected state could be displayed.
• the switching state of the active glazing (I) and the display area (16.1) were displayed in segments 16.1) (16.2) (16.3) (16.4) activated in segments. The operator was thus immediately and clearly informed about the selected switching state of the electrochromic glazing (I) before the electrochromic glazing assumed the selected state.
• FIG. 1 1 shows in a flow chart the detailed method steps for producing a glazing according to the invention with switching device. It was not foreseeable for the person skilled in the art that existing electrically conductive layer structures (1) or electrode layers (1) (14) could easily be developed into a button and / or display surface (16) for switching states of an active glazing (I), without to impair the existing function of the glazing / active glazing (I).

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• Chemical & Material Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Materials Engineering (AREA)
• Organic Chemistry (AREA)
• Surface Treatment Of Glass (AREA)
• Joining Of Glass To Other Materials (AREA)
• Push-Button Switches (AREA)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

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Families Citing this family (21)

Citations (4)

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• 2009
  • 2009-09-25 DE DE202009017952U patent/DE202009017952U1/de not_active Expired - Lifetime
  • 2009-09-25 DE DE102009044110A patent/DE102009044110A1/de not_active Withdrawn
• 2010
  • 2010-08-24 WO PCT/EP2010/062294 patent/WO2011036010A1/de active Application Filing
  • 2010-08-24 EP EP10747187A patent/EP2481154A1/de not_active Ceased
  • 2010-08-24 CN CN2010900011675U patent/CN202818260U/zh not_active Expired - Lifetime

Patent Citations (4)

Non-Patent Citations (1)

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