Coated cover plate with electromagnetic shielding function and liquid crystal display screen

Abstract

The utility model discloses a film-coated cover plate with an electromagnetic shielding function and a liquid crystal display screen, the film-coated cover plate with the electromagnetic shielding function comprises a glass cover plate, a tantalum oxide film-coated layer, a copper oxide film-coated layer and a pure silver film-coated layer, the tantalum oxide film-coated layer, the copper oxide film-coated layer and the pure silver film-coated layer are sequentially arranged on the upper surface of the glass cover plate from bottom to top, and the thickness of the tantalum oxide film-coated layer is 100nm-125nm. The thickness of the copper oxide coating layer is 15 nm to 30 nm, and the thickness of the pure silver coating layer is 20 nm to 30 nm. A tantalum oxide coating film layer, a copper oxide coating film layer and a pure silver coating film layer are sequentially deposited, and all the layers respectively have the key functions of reflection resistance, thermal stability, color adjustment, electromagnetic shielding and the like. Wherein the tantalum oxide coating layer utilizes the characteristic of high refractive index, so that light reflection is effectively reduced, and the light transmittance is improved; the copper oxide coating layer realizes the blue-green color effect and enhances the thermal stability by controlling the thickness and the preparation condition of the copper oxide coating layer; the pure silver coating film layer serves as a conductive and reflecting layer, excellent electromagnetic shielding performance is provided, heat absorption is reduced through high reflectivity, and heat management efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a display technical field more specifically, relate to a kind of coated cover plate and liquid crystal display with electromagnetic shielding function. BACKGROUND

[0002] With the rapid development of science and technology, glass cover plate as the key components of various electronic devices, its performance requirements are increasingly improved. Traditional glass cover plate has been difficult to meet the market demand for high light transmittance, electromagnetic shielding, thermal stability and aesthetic. SUMMARY

[0003] The technical problem to be solved by the utility model is how to make glass cover plate have high light transmittance, electromagnetic shielding, thermal stability and aesthetic, so as to improve the competitiveness of products.

[0004] The technical problem to be solved by the utility model is solved by the following technical scheme:

[0005] To solve the above technical problem, the utility model provides a kind of coated cover plate with electromagnetic shielding function, it includes glass cover plate and by the order of from below to above sequentially set on the upper surface of the glass cover plate tantalum oxide coating layer, copper oxide coating layer and pure silver coating layer, the thickness of the tantalum oxide coating layer is 100nm-125nm, the thickness of the copper oxide coating layer is 15nm-30nm, the thickness of the pure silver coating layer is 20nm-30nm.

[0006] As a preferred embodiment of the coated cover plate with electromagnetic shielding function provided by the utility model, a transition coating layer is provided between the upper surface of the glass cover plate and the tantalum oxide coating layer.

[0007] As a preferred embodiment of the coated cover plate with electromagnetic shielding function provided by the utility model, the material of the transition coating layer is silicon dioxide.

[0008] As a preferred embodiment of the coated cover plate with electromagnetic shielding function provided by the utility model, the thickness of the transition coating layer is 10nm-25nm.

[0009] As a preferred embodiment of the coated cover plate with electromagnetic shielding function provided by the utility model, the upper surface of the pure silver coating layer is provided with a protective coating layer.

[0010] As a preferred embodiment of the coated cover plate with electromagnetic shielding function provided by the utility model, the material of the protective coating layer is silicon dioxide.

[0011] As a preferred embodiment of the film-coated cover plate with electromagnetic shielding function provided by the utility model, the thickness of the protective film-coated layer is 10nm-25nm.

[0012] A liquid crystal display screen comprising the film-coated cover plate with electromagnetic shielding function according to any one of the above.

[0013] As a preferred embodiment of the liquid crystal display screen provided by the utility model, the glass cover plate is provided below with a TFT module.

[0014] As a preferred embodiment of the liquid crystal display screen provided by the utility model, the TFT module has an FPC led out outward.

[0015] The utility model has the following beneficial effects:

[0016] The core of the patent technology is that a composite film layer with specific functions is constructed on the surface of the glass cover plate through a precise layered film-coating process. A tantalum oxide film layer, a copper oxide film layer and a pure silver film layer are deposited in sequence, and each layer bears key functions such as anti-reflection, thermal stability, color adjustment and electromagnetic shielding. Among them, the tantalum oxide film layer effectively reduces light reflection and improves light transmittance by using its high refractive index characteristics; the copper oxide film layer realizes the effect of blue-green color tone and enhances thermal stability by controlling its thickness and preparation conditions; the pure silver film layer as a conductive and reflective layer not only provides excellent electromagnetic shielding performance, but also reduces heat absorption and improves heat management efficiency through high reflectivity. Through this series of carefully designed film layer combinations, the patent technology successfully realizes the performance improvement of the glass cover plate in multiple aspects, and provides strong support for the innovation and development of electronic products. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the scheme in the present application, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The structure diagram of the film-coated cover plate with electromagnetic shielding function provided by the utility model.

[0019] Figure 2 The improved structure diagram of Figure 1 .

[0020] Figure 3 The structure diagram of the liquid crystal display screen provided by the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] Glass cover 1; tantalum oxide coating layer 2; copper oxide coating layer 3; pure silver coating layer 4; transition coating layer 5; protective coating layer 6; TFT module 7; FPC 8. DETAILED DESCRIPTION

[0023] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0025] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first," "second," or "third" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0026] The utility model provides a coated cover plate with electromagnetic shielding function, which comprises a glass cover plate and a tantalum oxide coating layer, a copper oxide coating layer and a pure silver coating layer sequentially arranged on the surface of the glass cover plate from bottom to top, wherein the thickness of the tantalum oxide coating layer is 100nm-125nm, the thickness of the copper oxide coating layer is 15nm-30nm, and the thickness of the pure silver coating layer is 20nm-30nm.

[0027] The core of the patent technology is to build a composite film layer with specific functions on the surface of the glass cover plate through a precise layered plating process. The tantalum oxide plating layer, the copper oxide plating layer and the pure silver plating layer are deposited in turn, and each layer bears key functions such as anti-reflection, thermal stability, color adjustment and electromagnetic shielding. Among them, the tantalum oxide plating layer effectively reduces light reflection and improves light transmittance by using its high refractive index characteristics; the copper oxide plating layer realizes the effect of blue-green color tone by controlling its thickness and preparation conditions, improves the appearance, and enhances the thermal stability; the pure silver plating layer as a conductive and reflective layer not only provides excellent electromagnetic shielding performance, but also reduces heat absorption through high reflectivity to improve heat management efficiency. Through this series of carefully designed film layer combinations, the patent technology successfully realizes the performance improvement of the glass cover plate in multiple aspects, providing strong support for the innovation and development of electronic products.

[0028] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings. The embodiments will be described in detail below in conjunction with the drawings and the embodiments, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, but cannot be understood as limiting the present application.

[0029] Embodiment 1, please refer to Figure 1 A film-coated cover plate with electromagnetic shielding function provided by the present application, which comprises a glass cover plate 1 and a tantalum oxide plating layer 2, a copper oxide plating layer 3 and a pure silver plating layer 4 arranged in order from bottom to top on the upper surface of the glass cover plate 1, the thickness of the tantalum oxide plating layer 2 is 100-125 nm, the thickness of the copper oxide plating layer 3 is 15-30 nm, and the thickness of the pure silver plating layer 4 is 20-30 nm. The core of the patent technology is to build a composite film layer with specific functions on the surface of the glass cover plate 1 through a precise layered plating process. The tantalum oxide plating layer 2, the copper oxide plating layer 3 and the pure silver plating layer 4 are deposited in turn, and each layer bears key functions such as anti-reflection, thermal stability, color adjustment and electromagnetic shielding. Among them, the tantalum oxide plating layer 2 effectively reduces light reflection and improves light transmittance by using its high refractive index characteristics; the copper oxide plating layer 3 realizes the effect of blue-green color tone by controlling its thickness and preparation conditions, improves the appearance, and enhances the thermal stability; the pure silver plating layer 4 as a conductive and reflective layer not only provides excellent electromagnetic shielding performance, but also reduces heat absorption through high reflectivity to improve heat management efficiency. Through this series of carefully designed film layer combinations, the patent technology successfully realizes the performance improvement of the glass cover plate 1 in multiple aspects, providing strong support for the innovation and development of electronic products.

[0030] Please refer toFigure 2 Further, a transition coating layer 5 is arranged between the upper surface of the glass cover plate 1 and the tantalum oxide coating layer 2, the material of the transition coating layer 5 is silicon dioxide, and the thickness of the transition coating layer 5 is 10-25 nm, the transition coating layer 5 is made of silicon dioxide, which has excellent adhesion, and can enhance the adhesion between the subsequent coating layer and the glass substrate.

[0031] Please refer to Figure 2 Further, a protective coating layer 6 is arranged on the upper surface of the pure silver coating layer 4, the material of the protective coating layer 6 is silicon dioxide, and the thickness of the protective coating layer 6 is 10-25 nm, the protective coating layer 6 can further ensure the stability and durability of the entire coating system, and prolong the service life of the glass cover plate 1.

[0032] Embodiment 2, please refer to Figure 3 The utility model provides a kind of liquid crystal display, it includes the coating cover plate with electromagnetic shielding function as any one of the above described. Glass cover plate 1 is provided with TFT module 7 below, and TFT module 7 leads out FPC 8 outward.

[0033] In the utility model, unless there is explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated;It can be mechanical connection, or electrical connection or communication with each other;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specified. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0034] Obviously, the above-described embodiments are only part of the embodiments of the present application, and not all embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any equivalent structure made by using the contents of the specification and drawings, directly or indirectly applied to other related technical fields, is also within the scope of the patent protection of the present application.

Claims

1. A coated cover plate having electromagnetic shielding function, characterized by, The glass cover plate comprises a glass cover plate and, from bottom to top, a tantalum oxide plating film layer, a copper oxide plating film layer and a pure silver plating film layer arranged in sequence on the upper surface of the glass cover plate, the thickness of the tantalum oxide plating film layer is 100-125 nm, the thickness of the copper oxide plating film layer is 15-30 nm, and the thickness of the pure silver plating film layer is 20-30 nm.

2. The film-coated cover plate having an electromagnetic shielding function according to claim 1, characterized by, A transition plating film layer is arranged between the upper surface of the glass cover plate and the tantalum oxide plating film layer.

3. The film-coated cover plate having an electromagnetic shielding function according to claim 2, characterized in that, The material of the transition plating film layer is silicon dioxide.

4. The film-coated cover plate having an electromagnetic shielding function according to claim 3, characterized in that, The thickness of the transition plating film layer is 10-25 nm.

5. The film-coated cover plate having an electromagnetic shielding function according to claim 1, characterized by, The upper surface of the pure silver plating film layer is provided with a protective plating film layer.

6. The film-coated cover plate having an electromagnetic shielding function according to claim 5, characterized by, The material of the protective plating film layer is silicon dioxide.

7. The film-coated cover plate having an electromagnetic shielding function according to claim 6, characterized by, The thickness of the protective plating film layer is 10-25 nm.

8. A liquid crystal display panel, characterized by comprising: The glass cover plate with electromagnetic shielding function comprises the glass cover plate with electromagnetic shielding function according to any one of claims 1-7.

9. The liquid crystal display of claim 8, wherein, A TFT module is arranged below the glass cover plate.

10. The liquid crystal display of claim 9, wherein, The TFT module has an FPC led out outwardly.

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