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
  • B32B17/1055—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
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B15/00—Layered products comprising a layer of metal
  • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
  • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
• • 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
  • B32B17/061—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 metal
• • 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
  • B32B17/1022—Metallic coatings
• • 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
  • B32B17/10376—Laminated safety glass or glazing containing metal wires
  • B32B17/10403—Laminated safety glass or glazing containing metal wires for radiation shielding
• • 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
  • B32B17/10788—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 ethylene vinylacetate
• • 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
  • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
• • 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
  • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate

Definitions

• the invention relates to a composite disk with a functional element and a metallic protective layer, a method for producing the composite pane and their use.
• Composite disks usually consist of an outer pane and an inner pane, in particular of float glass, and are firmly joined together with one or more intermediate layers under heat and pressure.
• the intermediate layers are usually made of thermoplastic materials such as polyvinyl butyral (PVB) or ethylene vinyl acetate (EVA).
• Modern vehicle glazings often have a multiplicity of functional elements which are firmly connected to the composite panes, for example displays such as OLED displays or sensor electronics. Such functional elements are often very sensitive to temperature or sensitive to UV radiation.
• the object of the present invention is to provide an improved composite disk with a functional element, which has a protection of the functional element from infrared and ultraviolet radiation, which can be easily and inexpensively integrated into a composite disk.
• the object of the present invention is achieved by a composite pane according to independent claim 1. Preferred embodiments will become apparent from the dependent claims.
• the composite pane according to the invention comprises at least the following features: an outer pane and an inner pane, which are interconnected by at least one intermediate layer,
• a metallic protective layer is arranged between the outer pane and the functional element.
• the metallic protective layer is designed in such a way that infrared radiation and / or ultraviolet radiation which enters the composite pane through the outer pane does not reach the functional element or attains only a small degree of the functional element.
• the functional element is protected from excessive temperature increase or damage by ultraviolet (UV) radiation.
• the functional element can be protected by the metallic protective layer against electromagnetic and in particular high-frequency electromagnetic radiation in the kilohertz (kHz), megahertz (MHz) or gigahertz (GHz) range.
• At least 80%, preferably 90% and in particular at least 99% of the infrared radiation which enters the composite pane through the outer pane is absorbed or reflected by the protective layer.
• At least 80%, preferably 90% and in particular at least 98% of the ultraviolet radiation which enters the composite pane through the outer pane is absorbed or reflected by the protective layer.
• the metallic protective layer contains at least one metal layer, preferably an aluminum layer, a stainless steel layer, a copper layer, a silver layer or a gold layer or consists thereof.
• metal layers are particularly suitable for sufficiently absorbing or reflecting infrared or ultraviolet radiation.
• An aluminum layer is particularly advantageous because of its good thermal conductivity and low UV transmission.
• the at least one metal layer is arranged on at least one carrier foil.
• the carrier film preferably contains or consists of a polymer film and in particular polyethylene terephthalate (PET), polyvinyl butyral (PVB) (for example Mowital), ethylene vinyl acetate (EVA), polyethylene naphthalate (PEN), polyepoxide or polyimide.
• PET polyethylene terephthalate
• PVB polyvinyl butyral
• EVA ethylene vinyl acetate
• PEN polyethylene naphthalate
• polyimide polyimide
• the metal layer is congruent or substantially congruent with the at least one carrier film. That the lateral dimensions of the metal layer and the carrier foil are the same or in other words, the metal layer completely or almost completely covers the carrier foil.
• the protective layer contains at least one metal foil or consists thereof. That the metal layer is formed as a metal foil.
• the metal foil is preferably self-supporting, that is to say sufficiently thick and stable to be inserted and processed without an additional carrier foil.
• Preferred metal foils are aluminum foils, stainless steel foils, copper foils, silver foils or gold foils. It is understood that a plurality of metal foils can be combined with each other, for example, to achieve an optimized impermeability to infrared and ultraviolet radiation.
• the metal layer or the metal foil has a thickness of 0.5 pm to 500 pm, preferably from 1 pm to 200 pm, in particular 20 pm to 50 pm.
• Such thick metal layers have a sufficiently good impermeability to infrared and / or ultraviolet radiation. Furthermore, such metal layers are inexpensive and easy to process.
• the metal layer or the metal foil is formed such that the transmission of visible light through the protective layer is less than 50%, preferably less than 30%, more preferably less than 10% and in particular less than 5%. This can be determined by a suitable combination of choice of material and thickness for the skilled person in the context of simple experiments.
• the metallic protective layer can be inserted into the stacking sequence of the composite pane and laminated.
• the metallic protective layer can additionally be glued to one of the surfaces of the layers of the composite pane, for example to the inside surface of the outer pane, or to the functional element.
• the functional element is arranged in the region of the orthogonal projection of the protective layer on (through) the outer pane.
• the area of the orthogonal projection of the protective layer on the outer pane is equal to or greater than the area of the orthogonal projection of the functional element on the outer pane. It is understood that the area of the orthogonal projection of the functional element lies within the range of the orthogonal projection of the protective layer on the outer pane, since only in this way is it ensured that IR and / or UV radiation penetrating from outside through the outer pane does not reach the functional element ,
• the area of the orthogonal projection of the protective layer on the outer pane is preferably larger than the area of the orthogonal projection of the functional element on the outer pane. This ensures that the edge region of the functional element is also protected against IR and / or UV radiation.
• the area of the orthogonal projection of the functional element overlaps the area of the orthogonal projection of the functional element by at least 2 mm, preferably by at least 5 mm in each case and in particular by at least 10 mm.
• the functional element is a temperature-sensitive and / or UV-sensitive functional element, preferably an electrical functional element.
• Such functional elements preferably contain
• a light source preferably an LED light source (LED, light-emitting diode), and particularly preferably an OLED light source (OLED, organic light-emitting diode, organic light-emitting diode),
• LED light source
• OLED organic light-emitting diode
• organic light-emitting diode organic light-emitting diode
• a display preferably an OLED display, more preferably a transparent OLED display, a sensor, preferably a temperature sensor, a touch sensor, a humidity sensor, a vibration sensor or a breakage sensor,
• the protective layer and the functional element are arranged between the outer pane and the inner pane.
• the outer pane and the inner pane are connected via at least one intermediate layer.
• all different arrangements of protective layer, functional element and one or more intermediate layers are included, as long as the protective layer between outer pane and functional element is arranged. This ensures a simple and effective protection of the functional element from penetrating through the outer pane in the composite disk penetrating infrared and / or ultraviolet radiation.
• the protective layer is arranged directly or only by a covering pressure on the inside surface II of the outer pane fitting.
• the functional element is arranged directly adjacent to the protective layer.
• the functional element is connected via a first intermediate layer with the inside surface III of the inner pane.
• a further intermediate layer is arranged in the form of a frame around the functional element and particularly preferably also around the protective layer.
• the further, frame-shaped intermediate layer then connects the inside surface II of the outer pane with the first intermediate layer, which in turn is connected to the inside surface III of the inner pane.
• the further, frame-shaped intermediate layer compensates for the difference in height caused by the functional element in the interior of the composite pane and ensures a low-stress connection free of optical distortions after lamination.
• the protective layer is arranged directly or merely by means of a covering pressure against the inside surface II of the outer pane. Furthermore, the protective layer and the inside surface II of the outer pane is connected in a flat manner to a second intermediate layer.
• the functional element is then arranged directly adjacent to the second intermediate layer.
• the functional element is connected via a first intermediate layer with the inside surface III of the inner pane.
• Preferred is another Interlayer frame-shaped arranged around the functional element.
• the further, frame-shaped intermediate layer then connects the second intermediate layer to the first intermediate layer, which in turn is connected to the inside surface III of the inner pane.
• the further, frame-shaped intermediate layer compensates for the difference in height caused by the functional element in the interior of the composite pane and ensures a low-stress connection free of optical distortions after lamination.
• the protective layer is connected via a third intermediate layer with the inside surface II of the outer pane. Furthermore, the protective layer and the third intermediate layer are connected in a planar manner to a second intermediate layer. The functional element is then arranged directly adjacent to the second intermediate layer. The functional element is connected via a first intermediate layer with the inside surface III of the inner pane.
• a further intermediate layer is arranged in the form of a frame around the functional element. The further, frame-shaped intermediate layer then connects the second intermediate layer to the first intermediate layer, which in turn is connected to the inside surface III of the inner pane.
• the further, frame-shaped intermediate layer compensates for the difference in height caused by the functional element in the interior of the composite pane and ensures a low-stress connection free of optical distortions after lamination.
• the protective layer is arranged between the inside surface of the outer pane and a first intermediate layer.
• the functional element is then preferably arranged between the first intermediate layer and the inside surface of the inner pane.
• another, frame-shaped intermediate layer is arranged around the functional element to compensate for differences in height.
• the functional element is arranged at least in sections between the outer pane and the inner pane. Sectionally means here that the functional element does not cover the full surface of the outer pane and the inner pane, but usually only a portion, such as a narrow band-shaped strip.
• the protective layer is correspondingly arranged only at least in sections between the outer pane and the inner pane. Sectionwise here means that the protective layer does not cover the full area of the outer pane and the inner pane, but usually only a portion, such as a narrow band-shaped strip.
• all electrically insulating substrates which are thermally and chemically stable and dimensionally stable under the conditions of production and use of the composite pane according to the invention are suitable as outer pane and inner pane or all further panes arranged between outer pane and inner pane.
• the panes preferably contain glass, particularly preferably flat glass, very particularly preferably float glass, such as soda-lime glass, borosilicate glass or quartz glass, or consist thereof.
• the wafers may contain or consist of clear plastics, preferably rigid clear plastics, especially polyethylene, polypropylene, polycarbonate, polymethyl methacrylate, polystyrene, polyamide, polyesters, polyvinyl chloride and / or mixtures thereof.
• the panes are preferably transparent, in particular for the use of the panes as a windscreen or rear window of a vehicle or other uses in which a high light transmission is desired.
• a disc having a transmission in the visible spectral range of greater than 70% As transparent in the context of the invention is then understood a disc having a transmission in the visible spectral range of greater than 70%. For discs that are not in the traffic-related field of view of the driver, for example, for roof windows, but the transmission can also be much less, for example, greater than 5%.
• the thickness of the panes can vary widely and thus be perfectly adapted to the requirements of the individual case.
• standard thicknesses of the individual panes from 1.0 mm to 25 mm, preferably from 1.4 mm to 2.5 mm, are used 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 discs can vary widely and depends on the size of the use according to the invention.
• the first pane and the second pane have, for example, common surfaces of 200 cm 2 to 20 m 2 in vehicle construction and in the field of architecture.
• the composite disk may have any three-dimensional shape.
• the three-dimensional shape has no shadow zones, so that it can be coated, for example, by sputtering, for example with a flat infrared-reflective coating or a low-E coating.
• the disks are planar or slightly or strongly bent in one direction or in several directions of the space. In particular, planar substrates are used.
• the discs can be colorless or colored.
• the disks are connected to one another by at least one intermediate layer, preferably by a first and a second intermediate layer.
• the intermediate layer is preferably transparent.
• the intermediate layer preferably contains at least one plastic, preferably polyvinyl butyral (PVB), ethylene vinyl acetate (EVA) and / or polyethylene terephthalate (PET).
• PVB polyvinyl butyral
• EVA ethylene vinyl acetate
• PET polyethylene terephthalate
• the intermediate layer can also be, for example, polyurethane (PU), polypropylene (PP), polyacrylate, polyethylene (PE), polycarbonate (PC), polymethyl methacrylate, polyvinyl chloride, polyacetate resin, casting resins, acrylates, fluorinated ethylene-propylenes, polyvinyl fluoride and / or ethylene-tetrafluoroethylene , or copolymers or mixtures thereof.
• the intermediate layer can be formed by one or more films arranged one above the other, the thickness of a film preferably being from 0.025 mm to 1 mm, typically 0.38 mm or 0.76 mm.
• the intermediate layers may preferably be thermoplastic and, after the lamination, stick together the panes and any further intermediate layers.
• outer pane and “inner pane” are chosen to distinguish the two panes in a composite pane according to the invention. With the terms no statement about the geometric arrangement is connected. If the composite pane according to the invention is intended, for example, to separate the interior from the external environment in an opening, for example of a vehicle or a building, then the outer pane is generally the external environment and thus the sources of strong and usual infrared or ultraviolet radiation , as the sunlight, facing.
• a covering pressure for example a black print, a white print or a print in another color, is arranged at least between the outer pane and the metallic protective layer.
• the covering pressure is preferably at least in the range the orthogonal projection of the protective layer is arranged on the outer pane between the outer pane and the protective layer.
• the covering pressure is preferably arranged directly on the inside surface II of the outer pane.
• no covering pressure is arranged at least between the outer pane and the metallic protective layer. This improved the reflection properties of the metallic layer.
• a further aspect of the invention comprises a method for producing a composite pane according to the invention, comprising at least
• the intermediate layer can be formed by a single or by two or more films, which are arranged in terms of area or section one above the other.
• the bonding of the stacking sequence in process step (b) is preferably carried out under the action of heat, vacuum and / or pressure. It can be used per se known methods for producing a composite disk.
• so-called autoclave processes can be carried out at an elevated pressure of about 10 bar to 15 bar and temperatures of 130 ° C. to 145 ° C. for about 2 hours.
• vacuum bag or vacuum ring methods known per se operate at about 200 mbar and 80 ° C. to 110 ° C.
• the outer pane, the thermoplastic intermediate layer and the inner pane can also be pressed in a calender between at least one pair of rolls to form a pane. Plants of this type are known for the production of discs and usually have at least one heating tunnel in front of a press shop.
• the temperature during the pressing operation is, for example, from 40 ° C to 150 ° C. Combinations of calender and autoclave processes have proven particularly useful in practice.
• vacuum laminators can be used. These consist of one or more heatable and evacuable chambers, in where the disks are laminated within, for example, about 60 minutes at reduced pressures of 0.01 mbar to 800 mbar and temperatures of 80 ° C to 170 ° C.
• a further aspect of the invention comprises the use of the composite pane according to the invention in buildings, in particular in the access area, window area, roof area or façade area, as a built-in part in furniture and devices, in means of transport for traffic on land, in the air or on water, in particular in trains , Ships and motor vehicles, for example, as a windshield, rear window, side window and / or roof glass.
• the invention further comprises the use of a metallic protective layer in a composite pane according to the invention for protecting a functional element and in particular for protecting a functional element from infrared and / or ultraviolet radiation.
• Figure 1 is a plan view of an embodiment of an inventive
• FIG. 2A shows a cross-sectional view along the section line A-A 'from FIG. 1
• FIG. 2B shows a cross-sectional view of an alternative embodiment along the section line A-A' from FIG.
• Figure 2C is a cross-sectional view of an alternative embodiment taken along the section line A-A 'of Figure 1, and
• FIG. 3 shows a detailed flowchart of an embodiment of the method according to the invention.
• FIG. 1 shows a plan view of an exemplary embodiment of a pane arrangement 101 according to the invention with a composite pane 100 according to the invention using the example of a vehicle window and, in particular, the windscreen of a passenger vehicle.
• the composite disk 100 is, for example, substantially trapezoidal.
• the dimensions of the composite disc 100 are, for example, at its long sides 0.9 mx 1, 5 m.
• the inner pane 2 is for example intended to be facing the interior of a vehicle in the installed position. That is, the outside surface IV of the inner panel 2 is accessible from the inside, whereas the outside surface I of the outer panel 1 faces outward with respect to the vehicle interior.
• the terms inside and outside each refer to the insides and outsides of the composite disc.
• Outer pane 1 and inner pane 2 consist for example of soda-lime glass.
• the thickness of the inner pane 2 is for example 1, 6 mm and the thickness of the outer pane 1 is for example 2.1 mm. It is understood that outer pane 1 and inner pane 2 can have any desired thicknesses and, for example, can also have the same thickness.
• the composite pane 100 may, for example, also be structural glazing, furniture glazing or the like.
• the composite pane 100 may be part of an insulating glazing and be arranged for example in a window of a building.
• the composite pane 100 can be arranged in an interior and can be, for example, a glazing of a meeting room or of a refrigerator or piece of furniture.
• FIG. 2A shows an exemplary cross-sectional view along the section line A-A from FIG.
• the composite pane 100 here comprises, for example, an outer pane 1 and an inner pane 2, which are connected to one another via two intermediate layers 3.
• the first intermediate layer 3.1 is formed over the entire surface, while the second intermediate layer 6 is designed frame-shaped.
• an electrical functional element 4 is integrated in the upper, central region of the windshield, for example an OLED display.
• OLED displays are very sensitive to temperature and degrade under UV radiation.
• a metallic protective layer 5 is arranged between functional element 4 and outer pane 1.
• the protective layer 5 is arranged such that the functional element 4 lies completely in the region 10 of the orthogonal projection of the protective layer 5 with respect to the outer pane 1. This ensures that IR and / or UV radiation 30 via the outer pane 1 in the Composite disc 100 enters, is blocked by the protective layer 5 before hitting the functional element 4.
• the metallic protective layer 5 consists, for example, of an aluminum foil with a thickness of 20 ⁇ m.
• the intermediate layer 6 is arranged in the shape of a frame around the functional element 4 and the protective layer 5 and compensates for the height difference caused by the thickness of the functional element 4 and the protective layer 5.
• Both the first intermediate layer 3 and the frame-shaped intermediate layer 6 can for example consist of PVB and merge with each other in a production of the composite disc 100 in a lamination process and simultaneously connect the outer pane 1 and the inner pane 2 firmly and permanently.
• a black masking pressure 20 is applied directly on the inside surface II of the outer pane 1.
• the covering pressure 20 prevents the viewing through the composite pane 100 and the plan view of the edge region of the composite pane 100, with which it is glued over the outside surface IV of the inner pane 2, for example in the frame of a vehicle body.
• the plan view of the metallic protective layer 5 is prevented, which usually shines metallic and cause disturbing and less aesthetic reflections
• UV and IR radiation 30 which impinges on the outer pane 1 of the composite pane 100 from the outside, is blocked. In the case of IR radiation, this leads to avoiding overheating or thermal damage to the functional element 4. UV protection reduces or prevents degeneration of the electronics of the functional element 4. Both leads to an extended life and increased operational safety of the functional element. 4
• FIG. 2B shows an exemplary cross-sectional illustration of an alternative exemplary embodiment along the section line AA 'from FIG. 1.
• the composite pane 100 essentially corresponds to the structure and the choice of material from FIG Example of FIG. 2A.
• a second planar intermediate layer 3.2 is arranged between the functional element 4 and the protective layer 5 in FIG. 2B. This is particularly advantageous because the functional element 4 is securely separated from the electrically conductive metallic protective layer 5 by the polymeric and electrically non-conductive material of the second intermediate layer 3.2.
• FIG. 2C shows an exemplary cross-sectional illustration of an alternative exemplary embodiment along the section line A-A 'from FIG. 1.
• the composite pane 100 essentially corresponds to the construction and the choice of material from the example of FIG. 2B.
• a third, planar intermediate layer 3.3 is arranged in FIG. 2C between the outer pane 1 and the protective layer 5. This is particularly advantageous because the metallic protective layer 5 is securely and permanently bonded to the outer pane 1 by the third intermediate layer 3.3.
• the metallic protective layer 5 can consist of a cantilevered metal layer or of a polymeric carrier layer with a thin, self-contained or non-self-stable metal layer.
• a composite pane 100 according to the invention can also have a plurality of functional elements 4 with one or more coherent or non-coherent protective layers 5.
• FIG. 3 shows a flow chart of an exemplary embodiment of the method according to the invention for producing a composite pane 100 according to the invention according to FIG. 2A, comprising the following method steps S1-S6.
• S2 arranging a metallic protective layer 5 on the inside surface II of the outer pane 1, preferably by gluing;
• S3 arranging an electrical functional element 4 on the metallic
• Protective layer 5 preferably by gluing, and arranging a frame-shaped intermediate layer 6 around the electrical functional element 4 around, on the inside surface II of the outer pane 1;

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• Laminated Bodies (AREA)
• Joining Of Glass To Other Materials (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=60702330

Family Applications (1)

Country Status (6)

Cited By (1)

Citations (5)

Family Cites Families (3)

• 2018
  • 2018-11-22 EP EP18808293.7A patent/EP3727844A1/de active Pending
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  • 2018-11-22 MA MA051271A patent/MA51271A/fr unknown
  • 2018-11-22 WO PCT/EP2018/082174 patent/WO2019120849A1/de unknown
  • 2018-11-22 JP JP2020533709A patent/JP7032539B6/ja active Active
  • 2018-11-22 KR KR1020207020279A patent/KR102406247B1/ko active IP Right Grant

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