WO2016121332A1 - Vitrage isolant et dispositif optique - Google Patents

Vitrage isolant et dispositif optique Download PDF

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Publication number
WO2016121332A1
WO2016121332A1 PCT/JP2016/000244 JP2016000244W WO2016121332A1 WO 2016121332 A1 WO2016121332 A1 WO 2016121332A1 JP 2016000244 W JP2016000244 W JP 2016000244W WO 2016121332 A1 WO2016121332 A1 WO 2016121332A1
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WO
WIPO (PCT)
Prior art keywords
spacer
optical device
metal plate
glass
electrode wiring
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Application number
PCT/JP2016/000244
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English (en)
Japanese (ja)
Inventor
真 白川
Original Assignee
パナソニックＩｐマネジメント株式会社
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Publication of WO2016121332A1 publication Critical patent/WO2016121332A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • 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
    • 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
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds

Definitions

  • the present invention relates to a multilayer glass and an optical device including the multilayer glass.
  • the multi-layer glass includes a plurality of glass plates and a spacer that keeps intervals between the plurality of glass plates (for example, see Patent Document 1).
  • smart windows have been developed that can realize functions such as light emission and light control by arranging optical elements in the internal space of the double-glazed glass.
  • a through hole for electric wiring is provided in the spacer of the multilayer glass. At this time, there is a problem that moisture easily enters the internal space from the outside through the through hole.
  • an object of the present invention is to provide a multilayer glass and an optical device that can suppress moisture from entering the internal space from the outside.
  • a multilayer glass in order to achieve the above object, includes a pair of glass plates arranged to face each other, a spacer that forms a gap between the pair of glass plates, and an inside of the spacer. And a metal layer interposed between the pair of glass plates and electrically connected to the electrode wiring through a part of the spacer, the metal layer including the spacer Is provided so as to cover the part.
  • moisture can be prevented from entering the internal space from the outside.
  • FIG. 1 is a perspective view showing an optical device according to an embodiment of the present invention.
  • FIG. 2 is a trihedral view showing the optical device according to the embodiment of the present invention.
  • FIG. 3 is a cross-sectional view showing a part of the optical device according to the embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a connection portion between an electrode wiring and a metal plate provided in the optical device according to the embodiment of the present invention.
  • FIG. 5A is a cross-sectional view showing the manufacturing process of the optical device according to the embodiment of the present invention.
  • FIG. 5B is a cross-sectional view showing the manufacturing process of the optical device according to the embodiment of the present invention.
  • FIG. 6A is a cross-sectional view for explaining the effect of the optical device according to the embodiment of the present invention.
  • FIG. 6B is a cross-sectional view for explaining the effect of the optical device according to the embodiment of the present invention.
  • FIG. 7 is a cross-sectional view showing a window including a plurality of optical devices according to the embodiment of the present invention.
  • FIG. 8 is a cross-sectional view showing a connection portion between an electrode wiring and a metal plate provided in the optical device according to the first modification of the embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing a connection portion between an electrode wiring and a metal plate provided in the optical device according to the second modification of the embodiment of the present invention.
  • FIG. 1 is a perspective view showing an optical device 100 (and multi-layer glass 1) according to the present embodiment.
  • FIG. 2 is a trihedral view showing the optical device 100 (and the multi-layer glass 1) according to the present embodiment. Specifically, in FIG. 2, (a) to (c) show a front view, a top view, and a right side view of the optical device 100, respectively. In FIG. 2, the internal structure of the optical device 100 is schematically shown by shading. At this time, in FIG. 2, some of the components of the optical device 100 are not shown (for example, the primary sealing material 70 and the secondary sealing material 71).
  • FIG. 3 is a cross-sectional view showing a part of optical device 100 (and multi-layer glass 1) according to the present embodiment. Specifically, FIG. 3 shows a cross section taken along line III-III shown in FIG. More specifically, FIG. 3 shows a cross section passing through the spacer 20 and the metal plate 50 included in the optical device 100.
  • FIG. 4 is a cross-sectional view showing a connection portion between the electrode wiring 30 and the metal plate 50 provided in the optical device 100 (and the multilayer glass 1) according to the present embodiment. Specifically, FIG. 4 is an enlarged view of a region IV surrounded by an alternate long and short dash line shown in FIG.
  • the direction orthogonal to the main surface of the optical device 100 (that is, the thickness direction of the optical device 100) is the Z-axis direction, and two directions parallel to the main surface of the optical device 100 and orthogonal to each other are the X-axis.
  • Direction and Y-axis direction are the directions orthogonal to the main surface of the optical device 100 (that is, the thickness direction of the optical device 100) is the Z-axis direction, and two directions parallel to the main surface of the optical device 100 and orthogonal to each other are the X-axis.
  • Direction and Y-axis direction is the direction orthogonal to the main surface of the optical device 100.
  • the optical device 100 includes a multilayer glass 1 and an optical element 110.
  • the multi-layer glass 1 includes a pair of glass plates 10 and 11, a spacer 20, an electrode wiring 30, a terminal 40, a metal plate 50, a lead wiring 60, A primary sealing material 70 and a secondary sealing material 71 are provided.
  • the optical device 100 can be used for windows of buildings and vehicles, for example.
  • the optical device 100 includes the optical element 110, thereby realizing a function such as light emission or light control. That is, the optical device 100 can be used as a so-called smart window.
  • the glass plate 10 and the glass plate 11 have translucency and transmit at least part of visible light.
  • the glass plate 10 and the glass plate 11 are transparent flat plates formed from, for example, soda glass or non-alkali glass.
  • the glass plate 10 and the glass plate 11 are arranged to face each other as shown in FIGS. 1 and 2 (b) and (c). Specifically, the glass plate 10 and the glass plate 11 are arranged so that the mutual distance (that is, the distance between the glass plate 10 and the glass plate 11) is substantially constant, that is, in parallel.
  • interval of the glass plate 10 and the glass plate 11 is 6 mm, for example.
  • the glass plate 10 and the glass plate 11 have substantially the same shape and substantially the same size, and are arranged so as to overlap each other in plan view, as shown in FIGS.
  • the “plan view” means a case where the optical device 100 (and the multi-layer glass 1) is viewed from the front. Specifically, the “plan view” means a case where the main surfaces (surfaces having the largest areas) of the glass plate 10 and the glass plate 11 are viewed from the front, that is, when viewed in the Z-axis direction.
  • the planar shape of the glass plate 10 and the glass plate 11 is a rectangle, but may be a square or other polygons, or a circle or an ellipse.
  • the glass plate 10 and the glass plate 11 are not limited to flat plates but may be curved plates.
  • an internal space 12 (intermediate layer) is formed between the glass plate 10 and the glass plate 11.
  • the internal space 12 is filled with, for example, a gas having a low thermal permeability.
  • the gas having a low thermal permeability is, for example, dry air or an inert gas such as argon.
  • the optical element 110 is disposed in the internal space 12.
  • the spacer 20 forms an interval between the pair of glass plates 10 and the glass plate 11. That is, the spacer 20 is a member that maintains a constant distance between the glass plate 10 and the glass plate 11. The spacer 20 forms an internal space 12 between the glass plate 10 and the glass plate 11 by separating the glass plate 10 and the glass plate 11.
  • the spacer 20 is provided between the glass plate 10 and the glass plate 11. As shown in FIG. 2A, the spacer 20 is provided in an annular shape in plan view. In the present embodiment, the planar view shape of the spacer 20 is a shape along the circumference of the glass plate 10 (or the glass plate 11). Specifically, the spacer 20 is a substantially rectangular frame body along the circumference of the glass plate 10.
  • the spacer 20 may be formed by combining a plurality of members. For example, the spacer 20 may be formed by combining four substantially linear members (spacers) and four corner members.
  • the spacer 20 is electrically insulated from the electrode wiring 30 and the metal plate 50.
  • the spacer 20 is not in contact with the metal plate 50.
  • an insulating secondary seal material 71 is interposed between the spacer 20 and the metal plate 50.
  • the spacer 20 is not in contact with the conductor portion (metal wire) of the electrode wiring 30.
  • the spacer 20 may be in contact with, for example, an insulating coating material that covers the conductor portion of the electrode wiring 30.
  • the spacer 20 includes a hollow member 21 and a desiccant 22 as shown in FIG.
  • the hollow member 21 is made of a metal material such as aluminum, for example.
  • the hollow member 21 is, for example, a substantially rectangular tubular frame. Specifically, as shown in FIG. 3, the cross section of the hollow member 21 is a substantially rectangular shape in which two corners are slanted.
  • the desiccant 22 is filled in the hollow member 21 (hollow space).
  • a particulate material such as silica gel or zeolite can be used. Thereby, it is possible to suppress moisture from entering the internal space 12.
  • the spacer 20 has a recess 23 as shown in FIG.
  • the recess 23 is a part of the spacer 20 provided for electrically connecting the metal plate 50 and the electrode wiring 30.
  • the concave portion 23 is provided at a position facing the convex portion 51 of the metal plate 50. Specifically, the concave portion 23 is provided at a position overlapping the convex portion 51 in a side view.
  • the “side view” means that the optical device 100 (and the multi-layer glass 1) is viewed from the side surface direction, specifically, the Y-axis direction.
  • the recess 23 is a through hole provided in the hollow member 21. At least one of the terminal 40 and the convex portion 51 is inserted into the concave portion 23. In the present embodiment, as shown in FIG. 4, the terminal 40 and the convex portion 51 are connected in the concave portion 23.
  • the shape of the recess 23 is, for example, a funnel shape.
  • the opening of the recess 23 is gradually narrower along the direction from the internal space 12 toward the metal plate 50 (Y-axis negative direction). Thereby, it is possible to make it difficult for the truncated cone-shaped terminal 40 to come out of the recess 23.
  • the shape of the recessed part 23 is not restricted to a funnel shape, What kind of thing may be sufficient.
  • the hollow member 21 is provided with a through hole 24 on the inner space 12 side.
  • the recess 23 and the through hole 24 are provided near the center of the hollow member 21 (the center in the Z-axis direction), but the position where each of the recess 23 and the through hole 24 is provided is particularly It is not limited.
  • the electrode wiring 30 is inserted into the spacer 20. Specifically, the inside of the spacer 20 is a hollow space of the hollow member 21. In the present embodiment, the electrode wiring 30 is provided in the internal space 12 as shown in FIG. The electrode wiring 30 is inserted into the spacer 20 through the through hole 24 of the hollow member 21.
  • the electrode wiring 30 is a wiring for supplying power to the optical element 110.
  • the electrode wiring 30 is a conductive metal wire whose surface is covered with an insulating coating material such as vinyl.
  • the electrode wiring 30 is a lead wire such as a vinyl wire or an enamel wire. Since the surface of the metal wire is covered with an insulating coating material, even if the electrode wiring 30 and the hollow member 21 come into contact with each other when the electrode wiring 30 is inserted into the through hole 24, the electrode wiring 30 It is insulated from the hollow member 21 (spacer 20).
  • the electrode wiring 30 is connected to the optical element 110.
  • the electrode wiring 30 is electrically connected to the metal plate 50. Specifically, one end of the electrode wiring 30 is connected to an electrode provided in the optical element 110, and the other end is connected to the conductive terminal 40.
  • the electrode wiring 30 is electrically connected to the metal plate 50 by being connected to the terminal 40.
  • the optical device 100 includes two electrode wirings 30 as shown in FIG.
  • one of the two electrode wirings 30 is used for a positive electrode and the other is used for a negative electrode.
  • a plurality of electrode wirings for supplying a voltage having the same potential may be provided. The same applies to the terminal 40, the metal plate 50, and the lead-out wiring 60.
  • the terminal 40 is a conductive terminal connected to the metal plate 50.
  • the terminal 40 is made of a metal material such as copper, for example.
  • the terminal 40 is inserted into the recess 23 as shown in FIG.
  • the terminal 40 is physically and electrically connected to the metal plate 50 through the recess 23 by electric welding (for example, resistance welding).
  • the terminal 40 is physically and electrically connected to the electrode wiring 30 by electric welding.
  • the terminal 40 is fixed to the hollow member 21 via the secondary seal material 71 so as not to contact the hollow member 21. Thereby, the terminal 40 and the hollow member 21 (spacer 20) are electrically insulated.
  • the shape of the terminal 40 is, for example, a truncated cone.
  • the cross section of the terminal 40 in the XZ plane is gradually narrowed along the direction from the internal space 12 toward the metal plate 50 (Y-axis negative direction). Thereby, it is possible to make it difficult for the terminal 40 to come out of the recess 23.
  • the shape of the terminal 40 is not limited to a truncated cone shape, and may be any shape such as a columnar shape or a prismatic shape.
  • the metal plate 50 is an example of a metal layer that is interposed between the pair of glass plates 10 and 11 and is electrically connected to the electrode wiring 30. That is, the metal plate 50 is a part of wiring for supplying power to the optical element 110.
  • the metal plate 50 is provided so as to cover a part of the spacer 20. Specifically, the metal plate 50 is provided so as to cover a part of the spacer 20 in a side view.
  • the part of the spacer 20 is a part for electrically connecting the electrode wiring 30 and the metal plate 50.
  • the part of the spacer 20 is a recess 23.
  • the metal plate 50 is provided so as to completely cover the recess 23 in a side view.
  • the metal plate 50 is a plate body provided perpendicular to the main surfaces of the pair of glass plates 10 and 11. That is, the metal plate 50 is provided in parallel to the direction in which the glass plate 10 and the glass plate 11 are arranged (Z-axis direction).
  • the metal plate 50 is provided between the spacer 20 and the outside of the multilayer glass 1 (that is, on the side opposite to the internal space 12 with respect to the spacer 20).
  • the metal plate 50 is a substantially rectangular plate. More specifically, the shape of the metal plate 50 (the shape when viewed in the Y-axis direction) is substantially rectangular. Each side of the metal plate 50 has substantially the same length as the interval between the pair of glass plates 10 and the glass plate 11 or a length greater than or equal to the interval. In this Embodiment, the shape of the metal plate 50 is a square which makes the space
  • the metal plate 50 is formed of a material having a moisture permeability lower than that of the secondary sealing material 71. Specifically, the metal plate 50 is formed from a metal material such as stainless steel. Moreover, as the metal plate 50, a material having a low coefficient of thermal expansion can be used.
  • the metal plate 50 has a convex portion 51 protruding toward the spacer 20.
  • the convex part 51 is provided in the center of the metal plate 50, for example.
  • the convex portion 51 is a portion for connecting the electrode wiring 30 and the metal plate 50. Specifically, the convex portion 51 is inserted into the concave portion 23 of the spacer 20. The convex portion 51 is physically and electrically connected to the terminal 40 to which the electrode wiring 30 is connected in the concave portion 23.
  • the lead wiring 60 is an electrical wiring for supplying power to the optical element 110.
  • the lead-out wiring 60 is a conductive metal wire whose surface is covered with an insulating coating material such as vinyl.
  • the lead wiring 60 is a lead wire such as a vinyl wire or an enamel wire.
  • the lead-out wiring 60 is covered with a secondary sealing material 71 and is drawn out to the outside of the optical device 100.
  • the lead wiring 60 is connected to the metal plate 50. Specifically, one end of the lead-out wiring 60 is connected to the metal plate 50, and the other end is connected to a drive circuit or a power supply circuit (not shown) for driving the optical element 110. Yes.
  • lead-out wiring 60 is connected near the center of the metal plate 50 as shown in FIG.
  • the position to which the lead wiring 60 is connected is not limited to this, and may be connected anywhere on the metal plate 50.
  • the primary sealing material 70 is an adhesive for bonding the spacer 20 to the glass plate 10 and the glass plate 11. As shown in FIG. 3, the primary sealing material 70 is provided between the spacer 20 and the glass plate 10 and between the spacer 20 and the glass plate 11. Further, the primary sealing material 70 is provided along the planar view shape of the spacer 20. Specifically, the primary sealing material 70 is provided in an annular shape.
  • the primary sealing material 70 for example, a sealing material mainly composed of butyl rubber or the like can be used.
  • the secondary sealing material 71 is a resin material used for improving the sealing performance of the internal space 12. As shown in FIG. 3, the secondary sealing material 71 is provided so as to cover the outer side of the spacer 20 (the side opposite to the internal space 12). The secondary sealing material 71 is provided along the planar view shape of the spacer 20. Specifically, the secondary sealing material 71 is provided in an annular shape.
  • a metal plate 50 is provided inside the secondary sealing material 71.
  • the lead-out wiring 60 is inserted through the secondary seal material 71.
  • the secondary sealing material 71 is provided between the glass plate 10 and the glass plate 11 so as to cover the lead wiring 60.
  • the secondary sealing material 71 for example, a polysulfide-based post-curing sealing material can be used.
  • the optical element 110 is sealed with a pair of glass plates 10 and 11 and a spacer 20. Specifically, the optical element 110 is disposed in the internal space 12.
  • the optical element 110 is connected to the electrode wiring 30.
  • the optical element 110 includes one or more electrodes (for example, an anode and a cathode).
  • An electrode wiring 30 is connected to each of the one or more electrodes.
  • the optical element 110 is an element that can change optical characteristics by supplying power. Specifically, the optical element 110 performs self-emission or dimming.
  • the dimming is, for example, changing light transmittance (visible light), reflectance, refractive index, scattering property, and the like.
  • the optical element 110 is an organic EL (Electroluminescence) element.
  • the optical element 110 may be a liquid crystal or an electrochromic element.
  • a plurality of optical elements 110 may be disposed in the internal space 12.
  • FIG. 5A and FIG. 5B are cross-sectional views showing manufacturing steps of the optical device 100 (and the multi-layer glass 1) according to the present embodiment.
  • the glass plate 10 in which the optical element 110 was provided is prepared.
  • the optical element 110 is formed on the glass plate 10, and the electrode wiring 30 is connected to the electrode provided in the optical element 110.
  • one end of the electrode wiring 30 is connected to the electrode of the optical element 110 by soldering or connector connection.
  • the electrode wiring 30 is connected to the terminal 40 as shown in FIG.
  • the electrode wiring 30 and the terminal 40 are connected by electric welding (resistance welding).
  • the other end of the electrode wiring 30 is inserted into the inside of the spacer 20 (the hollow space of the hollow member 21) through the through hole 24.
  • the terminal 40 and the electrode wiring 30 are welded by passing a current through the terminal 40 with the other end in contact with the terminal 40.
  • the terminal 40 is temporarily fixed to the recess 23 of the hollow member 21 of the spacer 20 with an adhesive, for example.
  • the terminal 40 may be connected in advance to the other end of the electrode wiring 30.
  • the terminal 40 is inserted into the spacer 20 through the through hole 24 and temporarily fixed to the recess 23 using an adhesive.
  • the adhesive used for temporary fixing can use the same material as the primary sealing material 70 or the secondary sealing material 71, for example.
  • the glass plate 10 and the glass plate 11 are bonded together. Specifically, the space between the glass plate 10 and the glass plate 11 is formed by sandwiching the spacer 20 therebetween. Thereafter, the resin material 70 a is applied between the spacer 20 and the glass plate 10 and between the spacer 20 and the glass plate 11 using a discharge device 90 such as a dispenser.
  • the resin material 70a is the primary sealing material 70 before curing, and is, for example, a thermosetting resin material.
  • the primary sealing material 70 is formed by curing the resin material 70a by applying heat.
  • a resin material 71a is applied to the outer side surface of the spacer 20 using a discharge device 91 such as a dispenser.
  • the resin material 71a is the secondary sealing material 71 before curing, and is, for example, a thermosetting resin material having adhesiveness.
  • the terminal 40 and the metal plate 50 are connected. Specifically, first, the metal plate 50 is arranged so that the convex portion 51 contacts the terminal 40. At this time, the metal plate 50 is fixed by the resin material 71a. And the convex part 51 and the terminal 40 are electrically welded. Specifically, the convex portion 51 and the terminal 40 are welded by passing a current through the metal plate 50 in a state where the convex portion 51 and the terminal 40 are in contact with each other.
  • the secondary sealant 71 is formed. Specifically, first, the lead wiring 60 and the metal plate 50 are connected. The connection may be electric welding or soldering. Then, similarly to (d) of FIG. 5B, the resin material 71 a is applied using the discharge device 91 so as to fill the lead-out wiring 60 and the metal plate 50. Thereafter, the secondary sealing material 71 is formed by curing the resin material 71a by applying heat.
  • the optical device 100 and the multilayer glass 1 according to the present embodiment can be manufactured.
  • FIG. 6A and 6B are cross-sectional views for explaining the effect of the optical device 100 (and the multi-layer glass 1) according to the present embodiment. Specifically, FIG. 6A shows an optical device 100a (and a multi-layer glass 1a) that does not include the metal plate 50.
  • an electrode wire 30a is provided instead of the electrode wire 30, the terminal 40, the metal plate 50, and the lead-out wire 60.
  • the electrode wiring 30 a penetrates the spacer 20 and is drawn from the internal space 12 to the outside of the multilayer glass 1.
  • the multi-layer glass 1a there is a problem that moisture easily enters the internal space 12 from the outside because the electrode wiring 30a is provided. This is because a recess 23 and a through-hole 24 are formed in a part of the spacer 20 for drawing the electrode wiring 30a to the outside of the multilayer glass 1.
  • the shortest path through which moisture enters is a straight line as shown by a thick broken line in FIG. 6A.
  • the multi-layer glass 1 includes a pair of glass plates 10 and 11 arranged opposite to each other, and a spacer that forms a gap between the pair of glass plates 10 and the glass plate 11. 20, the electrode wiring 30 inserted into the spacer 20, and a pair of the glass plate 10 and the glass plate 11, and electrically connected to the electrode wiring 30 through a part of the spacer 20.
  • the metal plate 50 is provided so as to cover a part of the spacer 20.
  • the optical device 100 according to the present embodiment is an optical device including the multilayer glass 1, the spacer 20 is provided in an annular shape, and the optical device 100 includes a pair of glass plates 10, a glass plate 11, and a spacer. 20 and the optical element 110 connected to the electrode wiring 30.
  • the metal plate 50 is provided so as to cover a part of the spacer 20 (specifically, the recess 23), moisture is prevented from entering the internal space 12 through a part of the spacer 20. can do.
  • the shortest path through which moisture enters must pass between the metal plate 50 and the spacer 20 as shown by the thick broken line in FIG. 6B. . That is, in order for moisture to enter the internal space 12, the metal plate 50 must be bypassed. This is because the metal plate 50 has a lower moisture permeability than the secondary sealing material 71 formed of a resin material, and hardly allows moisture to pass through.
  • the ingress of moisture is suppressed compared to the multilayer glass 1 a not provided with the metal plate 50. can do.
  • a desiccant 22 is provided inside the spacer 20. For this reason, since moisture is absorbed by the desiccant 22, the penetration of moisture into the internal space 12 is more effectively suppressed.
  • the metal plate 50 is provided between the spacer 20 and the outside of the optical device 100 (and the multilayer glass 1). Therefore, since the distance until the moisture reaches the desiccant 22 can be increased, the penetration of moisture can be more effectively suppressed.
  • the optical device 100 (and the multi-layer glass 1) according to the present embodiment, for example, it is assumed that a plurality of electrode wirings 30 are provided as shown in FIG. At this time, when the spacer 20 and the plurality of electrode wirings 30 are not electrically insulated, the plurality of electrode wirings 30 are short-circuited via the spacer 20. Therefore, the optical element 110 does not operate normally, and the reliability of the optical device 100 decreases.
  • the optical device 100 (and the multi-layer glass 1) includes only one electrode wiring 30, there is a possibility that a voltage drop due to the spacer 20 may occur due to the current flowing through the spacer 20. Therefore, an appropriate voltage cannot be supplied to the optical element 110 due to the voltage drop caused by the spacer 20, and the reliability of the optical device 100 is lowered.
  • the spacer 20 is electrically insulated from the electrode wiring 30 and the metal plate 50.
  • the metal plate 50 has a convex portion 51 protruding toward the spacer 20, and a part of the spacer 20 is a concave portion 23 provided at a position facing the convex portion 51.
  • the convex portion 51 and the concave portion 23 are opposed to each other, when the convex portion 51 is inserted into the concave portion 23, the metal plate 50 and the spacer 20 can be prevented from contacting each other. Therefore, the electrode wiring 30 and the metal plate 50 can be easily electrically connected by using the convex portion 51 while ensuring electrical insulation between the metal plate 50 and the spacer 20.
  • the metal plate 50 is a plate body provided perpendicular to the main surfaces of the pair of glass plates 10 and 11.
  • the metal plate 50 is provided perpendicular to the glass plate 10 and the glass plate 11, so that the metal plate 50 is It can arrange
  • the metal plate 50 is a substantially rectangular plate body, and each side of the metal plate 50 has a length that is substantially the same as or longer than the distance between the pair of glass plates 10 and 11. .
  • each side of the metal plate 50 is substantially the same as the interval between the glass plate 10 and the glass plate 11 or longer than the interval, the moisture needs to bypass a route having at least the same length as the interval. Yes (see FIG. 6B). Therefore, the intrusion of moisture can be more effectively suppressed.
  • the recess 23 is provided near the center of the interval. For this reason, even if the metal plate 50 larger than necessary is provided, the shortest path through which moisture enters is a path along the glass plate 10 or the glass plate 11 (thick broken line in FIG. 6B). That is, even if the metal plate 50 larger than necessary is provided, the effect of suppressing the entry of moisture hardly improves.
  • the shape of the metal plate 50 (the shape when viewed in the Y-axis direction) may be a square with the interval between the glass plate 10 and the glass plate 11 as one side. Thereby, the material of the metal plate 50 can be reduced, the optical device 100 can be reduced in weight, and the cost can be reduced.
  • the shape of the metal plate 50 (the shape when viewed in the Y-axis direction) may be a circle whose diameter is the distance between the glass plate 10 and the glass plate 11.
  • the multilayer glass 1 further includes a conductive terminal 40 connected to the metal plate 50, and the electrode wiring 30 is electrically connected to the metal plate 50 by being connected to the terminal 40. ing.
  • the electrical connection between the metal plate 50 and the electrode wiring 30 can be easily performed by using the terminal 40.
  • the electrode wiring 30 and the terminal 40 can be firmly physically connected by electric welding (for example, resistance welding).
  • the terminal 40 and the metal plate 50 can be firmly physically connected. Accordingly, the electrode wiring 30 can be prevented from being detached from the metal plate 50, and the reliability of the optical device 100 (and the multilayer glass 1) can be improved.
  • the lead-out wiring 60 is connected to the vicinity of the center of the metal plate 50. Since moisture easily enters along the extraction wiring 60, the moisture bypass path can be lengthened by connecting the extraction wiring 60 near the center of the metal plate 50. Therefore, the intrusion of moisture can be more effectively suppressed.
  • the optical device 100 (and the multilayer glass 1) described above can be used as, for example, a window of a building or a vehicle. That is, the optical device 100 can be used as a so-called smart window.
  • a plurality of optical devices 100 can be stacked and used as a window.
  • FIG. 7 is a cross-sectional view showing a window 200 including a plurality of optical devices according to the present embodiment.
  • the window 200 includes an optical device 101, an optical device 102, an optical device 103, a sash 210, and a sash 220.
  • the optical device 101, the optical device 102, and the optical device 103 correspond to the optical device 100 described above.
  • Each of the optical device 101, the optical device 102, and the optical device 103 can change different optical characteristics. That is, the optical device 101, the optical device 102, and the optical device 103 each include a different optical element 110.
  • the optical device 101 includes, for example, an optical element 111 that can change the light scattering property.
  • the optical element 111 is a liquid crystal element whose light scattering property can be changed.
  • the optical device 101 switches between scattering and transmission of light according to application of a voltage.
  • the lead wiring 61 of the optical device 101 is connected to a drive circuit or a power supply circuit (not shown) through, for example, the sash 220.
  • the optical device 102 includes, for example, an optical element 112 that can change light reflectivity.
  • the optical element 112 is an electrochromic element whose light reflectivity can be changed.
  • the optical device 102 switches between reflection and transmission of light according to application of a voltage.
  • the lead wiring 62 of the optical device 102 is connected to, for example, a drive circuit or a power supply circuit (not shown) through the sash 220.
  • the optical device 103 includes, for example, an optical element 113 that can emit light.
  • the optical element 113 is an organic EL element.
  • the optical device 103 switches between lighting (light emission) and light extinction in accordance with voltage application.
  • the lead-out wiring 63 of the optical device 103 is connected to a drive circuit or a power supply circuit (not shown) through the sash 220, for example.
  • the sash 210 and the sash 220 correspond to a window frame that fixes the optical device 101, the optical device 102, and the optical device 103.
  • the sash 210 and the sash 220 are, for example, an aluminum sash.
  • each of the optical device 101, the optical device 102, and the optical device 103 independently, a combination of each state (mode) of transmission, scattering, reflection, lighting, or extinction is realized.
  • mode state of transmission
  • the opposite side becomes visible through the window 200, so that the window 200 can be used as a normal window.
  • the window 200 can be used as illumination.
  • the metal plate 50 has the convex portion 51
  • the present invention is not limited thereto.
  • the metal plate 50 may not have the convex portion 51.
  • FIG. 8 is a cross-sectional view showing a connection portion between the electrode wiring 30 and the metal plate 50A included in the optical device according to this modification. 8 corresponds to the region IV shown in FIG.
  • the optical device includes a terminal 40A and a metal plate 50A instead of the terminal 40 and the metal plate 50, as shown in FIG.
  • the metal plate 50 ⁇ / b> A is the same as the metal plate 50 except that the metal plate 50 ⁇ / b> A does not have the convex portion 51.
  • the terminal 40A protrudes to the metal plate 50A side through the recess 23.
  • the terminal 40A is connected to the metal plate 50A outside the recess 23.
  • the function and material of the terminal 40A are the same as those of the terminal 40.
  • the spacer 20 and the metal plate 50A are electrically insulated.
  • the electrode wiring 30 and the metal plate 50A are electrically connected while securing the electrical insulation between the spacer 20 and the metal plate 50A. Can be connected.
  • optical device and the multi-layer glass according to the above-described modification example 1 has been described with respect to the case where the terminal 40 is provided, the present invention is not limited thereto.
  • the optical device (and the multilayer glass) may not include the terminal 40.
  • FIG. 9 is a cross-sectional view showing a connection portion between the electrode wiring 30A and the metal plate 50A provided in the optical device according to this modification. 9 corresponds to the region IV shown in FIG.
  • the terminal 40 is not provided as shown in FIG.
  • the electrode wiring 30A penetrates the spacer 20 and is directly connected to the metal plate 50A.
  • the electrode wiring 30A and the metal plate 50A are connected by, for example, electric welding.
  • the electrode wiring 30 and the metal plate 50A are secured while ensuring the electrical insulation between the spacer 20 and the metal plate 50A. Can be electrically connected.
  • the metal plate 50 has been described as an example of the metal layer, but is not limited thereto.
  • a metal film laminated on the spacer 20 via an insulating layer may be used instead of the metal plate 50.
  • the spacer 20 and the metal plate 50 may be in contact with each other.
  • the spacer 20 is formed of an insulating material such as a resin material (having a lower moisture permeability than the sealing material), electrical insulation between the spacer 20 and the metal plate 50 can be ensured.
  • the spacer 20 and the metal plate 50 may be electrically connected. At this time, when a plurality of electrode wirings 30 and metal plates 50 are provided, for example, the spacers 20 may be separated so that the plurality of electrode wirings 30 are not short-circuited.
  • each side (or diameter) of the metal plate 50 may be shorter than the distance between the glass plate 10 and the glass plate 11. That is, the area may be smaller than that of the metal plate 50 according to the above embodiment. Even in the case of the metal plate 50 having a small area, moisture needs to bypass the metal plate 50, so that moisture can be prevented from entering.
  • the metal plate 50 may be provided in the internal space 12. Specifically, the metal plate 50 may be provided so as to cover the through hole 24 of the spacer 20.
  • the lead wiring 60 is inserted into the spacer 20 and is electrically connected to the metal plate 50. That is, the lead wiring 60 corresponds to an electrode wiring inserted into the spacer 20.
  • the pair of glass plates 10 and the glass plate 11 may have different shapes.
  • the glass plate 10 may be a rectangular plate, and the glass plate 11 may be a circular plate.
  • one of the glass plate 10 and the glass plate 11 is disposed inside the other so as not to protrude outside the other in plan view.
  • the optical element 110 may not be provided in the internal space 12.
  • the optical device 100 may include another device (for example, a heating element such as a heater) connected to the electrode wiring 30 instead of the optical element 110.
  • the embodiment can be realized by arbitrarily combining the components and functions in each embodiment without departing from the scope of the present invention, or a form obtained by subjecting each embodiment to various modifications conceived by those skilled in the art. Forms are also included in the present invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

La présente invention concerne une unité de vitrage isolant (1), qui comprend : une paire de feuilles de verre (10) et (11) qui sont disposées l'une en face de l'autre; un élément d'espacement (20) qui forme un espace entre la paire de feuilles de verre (10) et (11); un fil d'électrode (30) qui est inséré à travers l'élément d'espacement (20); et une feuille métallique (50) qui est interposée entre la paire de feuilles de verre (10) et (11) et qui est électriquement raccordée au fil d'électrode (30) par l'intermédiaire d'une partie de l'élément d'espacement (20). La feuille de métal (50) est disposée de façon à recouvrir ladite partie de l'élément d'espacement (20).
PCT/JP2016/000244 2015-01-29 2016-01-19 Vitrage isolant et dispositif optique WO2016121332A1 (fr)

Applications Claiming Priority (2)

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JP2015015894A JP2016141573A (ja) 2015-01-29 2015-01-29 複層ガラス及び光学デバイス
JP2015-015894 2015-07-16

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WO (1) WO2016121332A1 (fr)

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US9897888B2 (en) 2010-12-08 2018-02-20 View, Inc. Spacers for insulated glass units
US9910336B2 (en) 2010-12-08 2018-03-06 View, Inc. Spacers and connectors for insulated glass units
US9958750B2 (en) 2010-11-08 2018-05-01 View, Inc. Electrochromic window fabrication methods
WO2019141749A1 (fr) 2018-01-22 2019-07-25 Saint-Gobain Glass France Intercalaire pour vitrages isolants, à câble plat intégré
US10975612B2 (en) 2014-12-15 2021-04-13 View, Inc. Seals for electrochromic windows
US11067869B2 (en) 2009-12-22 2021-07-20 View, Inc. Self-contained EC IGU
US11314139B2 (en) 2009-12-22 2022-04-26 View, Inc. Self-contained EC IGU
US20220154522A1 (en) * 2019-03-29 2022-05-19 Panasonic Intellectual Property Management Co., Ltd. Glass panel unit
US11346149B2 (en) * 2018-01-22 2022-05-31 Saint-Gobain Glass France Insulating glazing, window and production method

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US11015384B2 (en) 2017-06-08 2021-05-25 Apple Inc. Light transmitting panel with active components
EP3669042A1 (fr) * 2017-10-12 2020-06-24 Apple Inc. Panneau de transmission de lumière à composants actifs
CN111601943A (zh) * 2018-01-22 2020-08-28 法国圣戈班玻璃厂 包括集成到中空室中的电馈线的用于绝缘玻璃窗的间隔件

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JP2001098856A (ja) * 1999-09-30 2001-04-10 Matsushita Seiko Co Ltd 複層ガラス
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Cited By (19)

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Publication number Priority date Publication date Assignee Title
US11314139B2 (en) 2009-12-22 2022-04-26 View, Inc. Self-contained EC IGU
US11927866B2 (en) 2009-12-22 2024-03-12 View, Inc. Self-contained EC IGU
US11067869B2 (en) 2009-12-22 2021-07-20 View, Inc. Self-contained EC IGU
US9958750B2 (en) 2010-11-08 2018-05-01 View, Inc. Electrochromic window fabrication methods
US9910336B2 (en) 2010-12-08 2018-03-06 View, Inc. Spacers and connectors for insulated glass units
US11960189B2 (en) 2010-12-08 2024-04-16 View, Inc. Spacers for insulated glass units
US10444589B2 (en) 2010-12-08 2019-10-15 View, Inc. Spacers and connectors for insulated glass units
US10782583B2 (en) 2010-12-08 2020-09-22 View, Inc. Spacers for insulated glass units
US10901286B2 (en) 2010-12-08 2021-01-26 View, Inc. Spacers and connectors for insulated glass units
US9897888B2 (en) 2010-12-08 2018-02-20 View, Inc. Spacers for insulated glass units
US11740528B2 (en) 2010-12-08 2023-08-29 View, Inc. Spacers for insulated glass units
US10975612B2 (en) 2014-12-15 2021-04-13 View, Inc. Seals for electrochromic windows
US11555346B2 (en) 2014-12-15 2023-01-17 View, Inc. Seals for electrochromic windows
US11346149B2 (en) * 2018-01-22 2022-05-31 Saint-Gobain Glass France Insulating glazing, window and production method
US11168514B2 (en) 2018-01-22 2021-11-09 Saint-Gobain Glass France Spacer for insulating glazings comprising an integrated ribbon cable
CN111655960A (zh) * 2018-01-22 2020-09-11 法国圣戈班玻璃厂 包括集成带状线缆的用于绝缘玻璃窗的间隔件
WO2019141749A1 (fr) 2018-01-22 2019-07-25 Saint-Gobain Glass France Intercalaire pour vitrages isolants, à câble plat intégré
US20220154522A1 (en) * 2019-03-29 2022-05-19 Panasonic Intellectual Property Management Co., Ltd. Glass panel unit
EP3950625A4 (fr) * 2019-03-29 2022-06-08 Panasonic Intellectual Property Management Co., Ltd. Unité de panneau de verre

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