Dimming glass with double-layer copper foil electrodes

By setting up a double-layer copper foil electrode in the dimming glass and adding copper foil gaskets, the problem of easy falling off when the ITO light guide film and copper foil are easily connected, the stability and quality of the dimming glass are improved, and higher practicality and industrialization potential are achieved.

CN222800968UActive Publication Date: 2025-04-25CHONGQING SHIMAT GLASS CO LTD
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Patent Information

Application Number
CN202421821063.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-04-25
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

In the prior art, the electrical connection between the ITO light guide film and the copper foil is prone to fall off, resulting in poor conductivity of the dimming glass and being unable to use.

Method used

By providing a double-layer copper foil electrode in the dimming glass and adding copper foil gaskets between the conductive foil and the conductive silver paste, the conductive foil is supported so that it can contact the conductive silver paste more closely and avoid falling off.

Benefits of technology

It improves the stability of the conductive foil, avoids the failure of poor conductivity of dimming glass, significantly increases the quality and practicality of dimming glass, and is easy to industrialize.

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Abstract

The utility model provides dimming glass with double-layer copper foil electrodes, belongs to the technical field of dimming glass, and aims to solve the problem that electrical connection between an ITO (indium tin oxide) light guide film and copper foil is easy to fall off in the prior art. Comprising a first glass plate, a first adhesive film, a first ITO conductive film, a second ITO conductive film, a second adhesive film and a second glass plate which are sequentially arranged from top to bottom, the first ITO conductive film and the second ITO conductive film are both provided with conductive foils, and conductive silver paste is arranged between the first ITO conductive film and the corresponding conductive foil. Conductive silver paste is also arranged between the second ITO conductive film and the corresponding conductive foil; a gasket is arranged between the first adhesive film and the corresponding conductive foil, and a gasket is arranged between the second adhesive film and the corresponding conductive foil.
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Description

Technical Field

[0001] The utility model belongs to the technical field of dimming glass, and more specifically, particularly relates to a dimming glass with double-layer copper foil electrodes. Background Art

[0002] Dimming glass is a kind of intelligent high-tech glass. Dimming glass is a liquid crystal film compounded between two layers of glass. The arrangement of liquid crystal molecules is controlled by the on and off of the current, so as to achieve the rapid conversion of the glass between transparent and opaque states.

[0003] When the power is on, the liquid crystal molecules in the glass are arranged neatly, allowing light to pass through and the glass to appear transparent; when the power is off, the liquid crystal molecules are arranged disorderly, scattering light and the glass to appear foggy and opaque, thus achieving multiple functions such as protecting privacy, adjusting light and controlling indoor temperature.

[0004] For example, a dimming glass with application number CN201910442105.5 belongs to the field of display window technology. The dimming glass of the present invention comprises: a basic dimming structure and a functional dimming structure arranged in layers; wherein the basic dimming structure and the functional dimming structure cooperate with each other to control the light transmittance of the dimming glass.

[0005] Based on the search of the above patents and combined with the equipment in the prior art, it is found that the electrical connection between the ITO light guide film and the copper foil in the prior art is prone to falling off.

[0006] Therefore, in view of this, the existing structure and defects are studied and improved, and a dimming glass with a double-layer copper foil electrode is provided, in order to achieve a purpose with greater practical value. Utility Model Content

[0007] In order to solve the above technical problems, the utility model provides a dimming glass with double-layer copper foil electrodes to solve the problem that the electrical connection between the ITO light guide film and the copper foil in the prior art is prone to falling off.

[0008] The purpose and effect of the dimming glass with double-layer copper foil electrodes of the utility model are achieved by the following specific technical means:

[0009] A dimming glass with double-layer copper foil electrodes, comprising:

[0010] A first glass plate, a first adhesive film, a first ITO conductive film, a second ITO conductive film, a second adhesive film, and a second glass plate are sequentially arranged from top to bottom, the first ITO conductive film and the second ITO conductive film are both provided with conductive foils, a conductive silver paste is arranged between the first ITO conductive film and the conductive foils corresponding thereto, and a conductive silver paste is also arranged between the second ITO conductive film and the conductive foils corresponding thereto;

[0011] A gasket is provided between the first adhesive film and the corresponding conductive foil, and a gasket is provided between the second adhesive film and the corresponding conductive foil.

[0012] Furthermore, the first adhesive film and the second adhesive film are both provided with a first avoidance gap, the first glass plate and the second glass plate are both provided with a second avoidance gap, the conductive foil on the second ITO conductive film is correspondingly arranged directly below the first avoidance gap of the first adhesive film and the second avoidance gap of the first glass plate, and the conductive foil on the first ITO conductive film is correspondingly arranged directly above the first avoidance gap of the second adhesive film and the second avoidance gap of the second glass plate.

[0013] Furthermore, the gasket is copper foil.

[0014] Furthermore, the sum of the thicknesses of the conductive foil, the gasket and the conductive silver paste is equal to the thickness of the first ITO conductive film.

[0015] Furthermore, the first adhesive film and the second adhesive film are made of EVA material.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model supports the conductive foil by arranging the gasket, so that the conductive foil and the conductive silver paste are in closer contact and not easy to fall off, thereby improving the stability of the conductive foil, avoiding the failure of the dimming glass to be unusable due to poor conductivity, greatly improving the quality of the dimming glass, and being highly practical and easy to industrialize. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the explosion structure of a dimming glass with double-layer copper foil electrodes.

[0019] Figure 2 The utility model is a three-dimensional structural schematic diagram of a dimming glass with double-layer copper foil electrodes.

[0020] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a dimming glass with double-layer copper foil electrodes.

[0021] In the figure, the correspondence between the component names and the figure numbers is: first ITO conductive film 1, second ITO conductive film 2, first adhesive film 3, avoidance gap 1 31, avoidance gap 2 32, second adhesive film 4, first glass plate 5, second glass plate 6, conductive foil 7, gasket 8, conductive silver paste 9. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example:

[0026] As attached Figure 1 To Attachment Figure 3 As shown:

[0027] The utility model provides a dimming glass with double-layer copper foil electrodes, comprising:

[0028] A first glass plate 5, a first adhesive film 3, a first ITO conductive film 1, a second ITO conductive film 2, a second adhesive film 4, and a second glass plate 6 are sequentially arranged from top to bottom. The first ITO conductive film 1 and the second ITO conductive film 2 are both provided with conductive foils 7. A conductive silver paste 9 is arranged between the first ITO conductive film 1 and the corresponding conductive foil 7. A conductive silver paste 9 is also arranged between the second ITO conductive film 2 and the corresponding conductive foil 7.

[0029] Gasket 8, a gasket 8 is arranged between the first adhesive film 3 and the corresponding conductive foil 7, and a gasket 8 is arranged between the second adhesive film 4 and the corresponding conductive foil 7. The gasket 8 is copper foil.

[0030] In this embodiment, the gasket 8 is provided to support the conductive foil 7, so that the conductive foil 7 and the conductive silver paste 9 are in closer contact and are not easy to fall off, thereby improving the stability of the conductive foil 7, avoiding the failure of the dimming glass to be unusable due to poor conductivity, greatly improving the quality of the dimming glass, and being highly practical and easy to industrialize.

[0031] The first adhesive film 3 and the second adhesive film 4 are both provided with a avoidance notch 31, the first glass plate 5 and the second glass plate 6 are both provided with a avoidance notch 32, the conductive foil 7 on the second ITO conductive film 2 is correspondingly arranged directly below the avoidance notch 31 of the first adhesive film 3 and the avoidance notch 32 of the first glass plate 5, and the conductive foil 7 on the first ITO conductive film 1 is correspondingly arranged directly above the avoidance notch 31 of the second adhesive film 4 and the avoidance notch 32 of the second glass plate 6.

[0032] The sum of the thicknesses of the conductive foil 7 , the spacer 8 and the conductive silver paste 9 is equal to the thickness of the first ITO conductive film 1 .

[0033] Such an arrangement enables the conductive foil 7 to be clamped tightly between the gasket 8 and the conductive silver paste 9 .

[0034] The first adhesive film 3 and the second adhesive film 4 are made of EVA material. The EVA material enables the first glass plate 5 and the first ITO conductive film 1 to be adhered to form a whole in a vacuum environment at a temperature of 120 degrees. The second glass plate 6 and the first ITO conductive film 1 can also be adhered to form a whole in a vacuum environment at a temperature of 120 degrees. Thus, dimming glass with ITO conductive film is formed.

[0035] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A dimming glass with double-layer copper foil electrodes, characterized in that: include: A first glass plate (5), a first adhesive film (3), a first ITO conductive film (1), a second ITO conductive film (2), a second adhesive film (4) and a second glass plate (6) are arranged in sequence from top to bottom, the first ITO conductive film (1) and the second ITO conductive film (2) are both provided with conductive foils (7), a conductive silver paste (9) is arranged between the first ITO conductive film (1) and the conductive foil (7) corresponding thereto, and a conductive silver paste (9) is also arranged between the second ITO conductive film (2) and the conductive foil (7) corresponding thereto; A gasket (8), wherein a gasket (8) is arranged between the first adhesive film (3) and the corresponding conductive foil (7), and a gasket (8) is arranged between the second adhesive film (4) and the corresponding conductive foil (7).

2. The dimming glass with double-layer copper foil electrodes as claimed in claim 1, characterized in that: The first adhesive film (3) and the second adhesive film (4) are both provided with a first avoidance notch (31), the first glass plate (5) and the second glass plate (6) are both provided with a second avoidance notch (32), the conductive foil (7) on the second ITO conductive film (2) is correspondingly arranged directly below the first avoidance notch (31) of the first adhesive film (3) and the second avoidance notch (32) of the first glass plate (5), and the conductive foil (7) on the first ITO conductive film (1) is correspondingly arranged directly above the first avoidance notch (31) of the second adhesive film (4) and the second avoidance notch (32) of the second glass plate (6).

3. The dimming glass with double-layer copper foil electrodes as claimed in claim 1, characterized in that: The gasket (8) is copper foil.

4. The dimming glass with double-layer copper foil electrodes as claimed in claim 3, characterized in that: The sum of the thicknesses of the conductive foil (7), the gasket (8) and the conductive silver paste (9) is equal to the thickness of the first ITO conductive film (1).

5. The dimming glass with double-layer copper foil electrodes as claimed in claim 1, characterized in that: The first adhesive film (3) and the second adhesive film (4) are made of EVA material.

Citation Information

Patent Citations

  • Dimming glass

    CN111983864A