阅读说明：本技术 含有电控装置的层压窗玻璃和制备 (Laminated glazing comprising an electrically controlled device and production ) 是由 P.鲍尔勒 S.吉莱森 J-J.布里斯 于 2019-01-29 设计创作，主要内容包括：本发明涉及一种包含电控装置的层压窗玻璃及其制备,其包括用薄塑料条带预装配的操作。(The present invention relates to a laminated glazing comprising an electrical control device and its preparation, which comprises the operation of preassembly with a thin plastic strip.)

1. A method for making a glazing with an electrical control device, in particular a glazing for a vehicle (100 to 900'), comprising a laminated glazing comprising:

-a first transparent glass plate (1) having first and second main faces (11,12) called face F1 and face F2;

-a second transparent glass plate (1') having a third and a fourth main face (13,14), respectively called face F3 and face F4(13, 14);

-a laminated interlayer (2,2a,2b) made of thermoplastic polymer material, preferably a major part of the floor surface F2 and a major part of the face F3, are in adhesive contact with the laminated interlayer,

preferably, at least one of the first and second glass plates is made of an inorganic glass;

and the laminated glazing comprises between the faces F2 and F3:

-an electric control device (4,4',4") comprising a support (3) having a width W2 preferably of at most 1m and a thickness e2, in particular sub-millimeter, the support having a front face (30), a back face (30') and an edge face (34), having a thickness e2, the front face carrying the electric control system in a region called the functional zone (31), the thickness e '2 of the electric control system being preferably sub-millimeter, and the front face optionally comprising a supply zone (32,33) adjacent to the functional zone, the electric control device being located on a surface below the lamination interlayer, the electric control device having a front face on the side of the electric control system,

and the glazing comprises:

-on the back face (30'), a polymeric connecting element (5), having a thickness e3 of at most 0.3mm, in adhesive contact with the back face and with one of the faces F2 or F3, this one of the faces F2 or F3 being then called the contact face, which may be bare or coated with a layer (71), the connecting element being located on the surface below the laminated interlayer;

the method comprises the following steps:

-providing, before lamination, a pre-assembly element of sheets comprising the electric control means, said connection element and optionally at least one lamination interlayer, called assembly sheet,

the connecting element comprises a plastic strip, preferably a thermoplastic strip, having a so-called connecting face F facing the back face of the support_LAnd the plastic strip has a connecting surface F_LAn opposite free main face F';

the connecting surface F_LIn adhesive contact or bonding with the back side;

and/or the joint face F_LProjecting from the edge face of the support body on at least one side, defining a projecting zone ZD facing a zone ZA of one of the main faces of the assembled sheet, the projecting zone ZD being in adhering contact or bonded with the zone ZA;

-placing said pre-assembled element between a first and a second glass plate; and

-a lamination step with said pre-assembled element, comprising placing under vacuum, or under pressure, and heating, said lamination step causing: let the free surface F_LIn adhesive contact with the contact surface, which is in particular bare or coated.

2. Method for making a glazing with an electric control device according to the preceding claim, characterized in that said plastic strip is transparent, said support is transparent, said pre-assembled element is in a transparent zone of the first and/or second glass pane at the location of the latter, said transparent strip covering at least the back face opposite said functional zone.

3. A method for making a glazing with an electrical control device according to any of the preceding claims, characterized in that the method comprises forming the pre-assembled element according to at least one of the following structures:

a) assembling the connecting element with the support body, wherein the connecting surface F is_LIn adhesive contact with or bonded to the back surface, so that the joint surface F_LA punctiform back surface (30') in adhesive contact over the entire surface or punctiform surface by a series of spaced-apart adhesive contact points, or punctiform adhesive contact over the entire surface or via a series of spaced-apart punctiform adhesive zones; and/or

b) The connecting element is assembled with the lamination interlayer such that the projecting zone ZD is in adhesive contact with the zone ZA either punctiform or over the whole surface by a series of spaced adhesive contact points or such that the connecting surface is bonded to the zone ZA via a series of punctiform adhesive zones or over the whole surface.

4. A method for making a glazing with an electrical control device according to claim 3 characterised in that the adhesive contact is achieved by softening of a plastic strip.

5. Method for making a glazing with an electric control device according to claim 4, characterised in that said making of the adhesive contact is spot-shaped and is carried out by local heating and optionally also by applying pressure, in particular by heating by induction, hot air or radiation (laser).

6. Method for making a glazing with an electric control device according to claim 5, characterised in that during said pre-assembly together with the connecting element (5), the electric control device is located on a first sheet of the laminated interlayer (2, 2a), and a second sheet of the laminated interlayer, in particular the assembled sheet, on which local heating causes a punctiform contact of the first sheet with the second sheet.

7. Method for making a glazing with an electric control device according to any of claims 5 and 6, characterised in that during said pre-assembly together with the connecting element (5) the front face of the electric control device is on a first sheet of a laminated interlayer, in particular an assembly sheet, the local heating (7) causing a point-like adhesive contact of the front face of the electric control device with said first sheet of the laminated interlayer.

8. The method for making a glazing with an electric control device according to any of the preceding claims characterized in that the plastic strip (5) and the laminated interlayer (2) are spaced apart before lamination and the plastic strip and the laminated interlayer are brought into continuous contact after lamination leaving no space between the back face and the contact face.

9. The process for the production of a glazing with an electrical control device according to any of the preceding claims characterized in that the plastic strip (5) is thermoplastic, based on poly (vinyl butyral) (PVB), containing less than 15% by weight, preferably less than 10% by weight, even better less than 5% by weight of plasticizer, in particular no plasticizer, and the lamination interlayer is preferably based on poly (vinyl butyral) (PVB), in particular containing more than 15% by weight of plasticizer.

10. Method for making a glazing with an electric control device according to any of the preceding claims 1 to 9, characterised in that before placing said pre-assembled element comprising the connecting element (5), the laminated interlayer comprises a "front" sheet, optionally said assembled sheet, the main face Fx (20') of which is against the front face of the electric control device, in particular the front face of the support, and the main face Fx (20') optionally comprises said zone ZA, and in that after lamination, the front sheet is brought into adhesive contact with the front face of the electric control device, in particular the front face of the support.

11. Method for making a glazing with an electric control device according to the preceding claim, characterised in that the main face Fx of the front sheet (20) comprises at least one blind or through hole (21) having a width W1 of at most 20mm, which accommodates a "discrete" electric control system, in particular an (opto) electronic component such as a photodiode or an inorganic diode, the width W '2 of the electric control system being at most 20mm, and in that e'2>0.15mm, e2<0.15mm and e3<0.15mm, the front sheet is brought into adhesive contact with the front face of the support, optionally the hole being a through hole.

12. Method for making a glazing with electric control device according to any of claims 1 to 11, characterised in that, before placing said pre-assembled element comprising said connecting element (5), said laminated interlayer comprises an apertured sheet, which therefore comprises a hole (25) housing all or part of the electric control system and the support, having a main face Fx that is free, and optionally comprising said zone ZA 'and optionally comprising a zone Z' a, facing the hole (25), in which the face Fx and the free face F of the plastic strip are present_LThe height difference between them is at most 0.3 mm.

13. Method for making a glazing with an electric control device according to the preceding claim, characterized in that the electrical control device is exposed from the apertured plate before lamination with the pre-assembled element containing the connecting element (5), the electrical control device being spaced from the main face Fx by a non-zero height H2 greater than e2, H2 being at most 0.3mm, the method comprises providing an additional plastic strip (5a) forming a frame on the edge face of the electric control device, a thickness Ex of at most 0.15mm and less than or equal to H2, and facing the area of the aperture plate, and the additional plastic strip has a main face F "opposite the connection face FC, the additional plastic strip optionally comprising a single strip or a plurality of stepped plastic strips, when Ex is the total thickness of the plastic strips, and bringing said further free face of the additional plastic strip into adhesive contact with the contact face by means of a lamination step.

14. A glazing with an electrical control device, in particular obtained according to any of the preceding claims, comprising a laminated glazing comprising:

-a first transparent glass plate (1) having first and second main faces (11,12) called face F1 and face F2;

-a second transparent glass plate (1') having a third and a fourth main face (13,14) respectively called face F3 and face F4;

-a laminated interlayer (2) made of a thermoplastic polymer material, preferably a major part of the floor surface F2 and a major part of the face F3, being in adhesive contact with the laminated interlayer,

preferably, at least one of the first and second glass plates is made of an inorganic glass;

and the laminated glazing comprises between the faces F2 and F3:

-an electric control device (4) comprising a support (3) having a width W2 of at most 1m and a thickness e2, in particular sub-millimetre, the support having a front face (30) carrying the electric control system (4) in an area called the functional zone (31), a back face (30') and an edge face (34), the thickness e'2 of the electric control system being preferably sub-millimetre, and the front face optionally comprising a supply zone (32,33) adjacent to the functional zone, the electric control device being located on a surface below the lamination interlayer,

-on the back face (30'), a polymeric connecting element (5), which is a plastic strip having a thickness e3 of at most 0.3mm, in adhesive contact with the back face and with one of the faces F2 or F3, this one of the faces F2 or F3 being then called the contact face, this connecting element being located on the surface below the laminated interlayer.

15. Glazing with electrical control device according to the preceding claim, in particular for vehicles, characterized in that the plastic strip (5) is thermoplastic, based on poly (vinyl butyral) (PVB), even made of it, containing less than 15% by weight, preferably less than 10% by weight, even better less than 10% by weight of plasticizer, in particular no plasticizer, and in that the lamination interlayer is based on poly (vinyl butyral) (PVB), in particular containing more than 15% by weight of plasticizer.

16. Glazing with electric control according to any of claims 14 and 15, in particular for vehicles, characterized in that said contact face (12) is bare or coated with said layer, said layer preferably having a thickness of at most 50 μ ι η, even sub-micron, in particular selected from a mask layer (71), a transparent layer, an electrically conductive layer, a heating layer, a low emissivity layer, a solar control layer, with which the adhesive contact is made, and/or the adhesive face (13) is bare or coated with said layer, said layer preferably having a thickness of at most 50 μ ι η or even sub-micron, in particular selected from a mask layer, a transparent layer, an electrically conductive layer, a heating layer, a low emissivity layer, a solar control layer, with which the adhesive contact is made.

17. Glazing with electrical control device according to any of claims 14 to 16, in particular for vehicles, characterized in that the plastic strip (5) protrudes from the back face on at least one side and even on both sides, in adhesive contact with the laminated interlayer.

18. A glazing having an electrical control device, in particular for a vehicle, as claimed in any one of claims 14 to 17, characterised in that the electrical control system is selected from:

-capacitive or inductive control switches, antennas;

-one or more (opto) electronic components, in particular discrete components, in particular sensors, cameras, photodiodes or inorganic electroluminescent diodes (4);

and is characterized in that:

-i) bringing the plastic strip and the lamination interlayer into adhesive contact with the front face of the support.

19. A glazing with an electric control device, in particular for a vehicle, as claimed in any one of claims 14 to 18, characterized in that said system is a surface system and is selected from:

surface light emitting systems, such as OLED organic electroluminescent systems, TFELs or quantum dot light emitting diodes known as QLEDs;

-a dynamic display system;

-a liquid crystal system, a light valve, an electrochromic system, in particular the laminated interlayer houses the device; and

i) the plastic strip extends from the support and is in adhesive contact with the laminate interlayer, preferably the front face of the support.

20. A glazing having an electrical control device, in particular for a vehicle, according to any of claims 14 to 19 wherein the laminated interlayer is made of poly (vinyl butyral) (PVB), in particular PVB having holes or grooves containing electrical control devices, which optionally:

-is acoustic, in particular for a vehicle windscreen or roof, and/or is wedge-shaped, in particular for a windscreen;

-optionally with a metal wire;

or to form a PVB/functional plastic film composite or a first PVB/functional plastic film/second PVB composite, the functional plastic film, preferably transparent, for example polyester or PET, bearing a functional layer, in particular an electrically conductive functional layer, in particular PVB with blind holes or blind grooves in the first PVB.

21. A vehicle comprising at least one glazing with an electric control device according to any of the preceding glazing claims, in particular a windscreen, a roof, a side window or a rear window.