CN215298197U

CN215298197U - Antistatic touch screen for vehicle

Info

Publication number: CN215298197U
Application number: CN202121822295.2U
Authority: CN
Inventors: 王芳; 聂均红; 夏永光
Original assignee: Taizhou Xingxing Photoelectric Technology Co ltd
Current assignee: Taizhou Xingxing Photoelectric Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-24
Anticipated expiration: 2031-08-05

Abstract

The utility model relates to an automobile-used antistatic touch screen belongs to glass panels surface treatment technical field. In order to solve the problem that the existing touch screen cannot resist fingerprints and static electricity at the same time, the anti-static touch screen for the vehicle is provided, the touch screen comprises a glass substrate, an AR film layer is plated on the surface of the glass substrate, and an AF film layer is plated on the surface of the AR film layerAn ITO film layer is further plated between the AR film layer and the AF film layer, and the AR film layer is made of TiO₂Film layer and SiO₂The structural film layer is formed by alternately plating film layers, and the outermost layer of the AR film layer is SiO₂And (5) film layer. This touch screen can realize preventing the function of fingerprint and effectively avoid the ITO rete to expose outside and the fragile problem, realizes having antistatic, high printing opacity concurrently and prevents the function of fingerprint.

Description

Antistatic touch screen for vehicle

Technical Field

The utility model relates to an automobile-used antistatic touch screen belongs to glass panels surface treatment technical field.

Background

The touch screen is input equipment for obviously improving a man-machine operation interface, has the advantages of intuition, simplicity and the like, is applied to a plurality of electronic products, and particularly has wide application in the technology of adopting the touch screen on the screen in the automobile along with the development of the automobile technology at present.

However, most of the conventional touch screens are based on a structure composed of sensor glass and a glass cover plate, and the design of the film-coated structure on the surface of the glass substrate is based on how to realize the structural functions of light transmission and reflection reduction, and there is also a touch screen structure using a resistive film method, which has the advantages of high durability and high transmittance by having a transparent conductive layer on the surface of the glass substrate, and can be applied to a vehicle-mounted screen.

In the prior art, an ITO film layer (In & Sn composite oxide) is directly plated on the basic surface of glass, but the structural plating layer has poor light transmittance for the whole, the ITO film layer is directly exposed on the outer layer, the ITO film layer is easy to damage and lose the antistatic function, and the antifouling capacity of the outermost layer directly on the surface of a touch screen is also poor.

Disclosure of Invention

The utility model discloses to the problem that exists among the above prior art, provide an automobile-used antistatic touch screen, the problem of solution realizes having antistatic, high printing opacity concurrently and prevents the function of fingerprint.

The utility model aims at realizing through following technical scheme, an automobile-used antistatic touch screen, the touch screen includes glass substrate, glass substrate's surface is plated and is equipped with the AR rete, AR rete surface is plated and is equipped with the AF rete, a serial communication port, the AR membraneAn ITO film layer is further plated between the layer and the AF film layer, and the AR film layer is made of TiO₂Film layer and SiO₂The structural film layer is formed by alternately plating film layers, and the outermost layer of the AR film layer is SiO₂And (5) film layer.

The ITO coating layer is plated between the AR film layer and the AF film layer structure, so that the problem of obstruction of the AR film layer can be effectively avoided, the function that the ITO film layer is arranged on the inner side of the AR film layer and is easy to conduct is avoided, and the high anti-static effect is realized; meanwhile, the outermost layer of the AR film layer is made of SiO₂The rete can effectually realize that the ITO rete plates to be established at its surface, has the effect of high adhesive force, and makes the AR rete be located the inboard of ITO rete, can improve holistic light transmissivity, has guaranteed to plate even establish the ITO rete, also can realize the function of anti-reflection through the AR rete, and reaches the effect that has high luminousness. And the AF rete is established in the outside surface plating of ITO rete, is equivalent to the mode through the coating by vaporization and establishes the surface at the ITO rete, has realized the function of fingerprint promptly and has effectively avoided the ITO rete to expose outside and the fragile problem, realizes having antistatic, high printing opacity concurrently and prevents the function of fingerprint.

In the antistatic touch screen for the vehicle, preferably, the thickness of the ITO film layer is 20nm to 25 nm. The nano-scale ITO film layer is adopted, so that the film layer is quite thin, the surface resistance value of a product can be controlled within 1 MOmega, and the effect of eliminating static electricity is achieved; and the film layer is thin, the influence on the transmittance of illumination is small, and the integral light transmittance performance is ensured.

In the antistatic touch screen for the vehicle, preferably, the film layer of the AR film layer contacting with the glass substrate is TiO₂And (5) film layer. Can form good adhesive force with the glass substrate, avoid the unstable effect of rete overall structure.

In the antistatic touch screen for the vehicle, preferably, the AR film layer is a nanoscale film layer. The nano-scale structure can more effectively realize the functions of reducing reflection and increasing permeability. Preferably, the AR film layer is TiO with the thickness of 10 nm-12 nm from inside to outside in sequence₂Film layer, SiO with thickness of 40 nm-43 nm₂Film layer, TiO with thickness of 45 nm-50 nm₂Film layer with thickness of 10nm to up12nm SiO₂Film layer, 50 nm-55 nm thick TiO₂Film layer and SiO with thickness of 57 nm-60 nm₂And (5) film layer. By the integral design of the AR film layer structure, the ITO film layer plated on the outer surface of the AR film layer structure can play a role in increasing the transmission, so that the integral light transmittance of the product reaches over 95 percent.

In the antistatic touch screen for the vehicle, preferably, the thickness of the AF film layer is 30nm to 40 nm. Adopt thinner membrane thickness, can guarantee the antistatic function at its inboard ITO rete, and still can guarantee to have the efficient and prevent the fingerprint function.

To sum up, compare with prior art, the utility model has the advantages of it is following:

1. the structural design of this coating film layer can improve holistic light transmissivity, has the effect of high luminousness. The AF rete is established in the outside surface plating of ITO rete, is equivalent to the mode through the coating by vaporization and establishes the surface at the ITO rete, realizes preventing the function of fingerprint promptly, can effectively avoid the ITO rete to expose outside and fragile problem again, realizes having antistatic, high printing opacity concurrently and prevents the function of fingerprint.

2. By adopting the AR film layer structure system with the six-layer structure, the anti-reflection function can be effectively realized, and the overall light transmittance of the product can reach more than 95%.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the antistatic touch screen for the vehicle.

Fig. 2 is an enlarged schematic cross-sectional structure diagram of an AR film layer in the antistatic touch screen for the vehicle.

In the figure, 1, a glass substrate; 2. an AR film layer; 21. TiO 2₂A film layer; 22. SiO 2₂A film layer; 3. an ITO film layer; 4. and (5) an AF film layer.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and drawings, but the present invention is not limited to these embodiments.

Referring to fig. 1, the antistatic touch screen for the vehicle comprises a glass substrate 1, an AR film layer 2 is plated on the surface of the glass substrate 1, and the surface of the AR film layer 2 isThe antistatic touch screen mainly comprises a glass substrate 1, and is characterized in that an AF film layer 4 is plated on the surface of the glass substrate, the touch screen is suitable for common touch screens in the field, the antistatic touch screen mainly comprises the improvement of a plating layer structure on the surface of the glass substrate 1, the film layers can be plated in a vacuum coating mode or plated by conventional methods such as magnetron sputtering, and more importantly, an ITO film layer 3 is further plated between the AR film layer 2 and the AF film layer 4, namely the AR film layer 2 is plated on the surface of the glass substrate 1 in a covering mode, and the ITO film layer 3 is further plated on the surface of the AR film layer 2 in a covering mode; the AR film layer 2 is made of TiO₂Film layer 21 and SiO₂The film layers 22 are alternately plated to form a structural film layer, and the outermost layer of the AR film layer 4 is SiO₂A membrane layer 22. The coating structure on the surface of the glass substrate 1 is plated, so that the function of ensuring light transmittance can be effectively realized, and the effects of static resistance and fingerprint resistance are achieved. The thicknesses of the coating layers of the AR film layer 2, the ITO film layer 3, and the AF film layer 4 are preferably set to the level of the nano-scale film layer.

In a further embodiment, the thickness of the ITO film layer 3 is 20nm to 25 nm. The light transmittance of the whole body can be ensured by adopting a thinner antistatic layer; and can be well adhered to SiO contacting with ITO film layer 3 at inner side₂The surface of the film layer 22 improves the binding force and realizes the advantage of difficult falling. Further, preferably, the film layer for contacting the AR film layer 2 with the glass substrate 1 is TiO₂The film layer 21 is preferably formed such that the thickness of the ITO film layer 3 is 21 nm.

As a further alternative, it is preferable that the AR film layer 2 is a nano-scale film layer. The more preferable scheme is that the AR film layer 2 is sequentially TiO with the thickness of 10nm to 12nm from inside to outside₂Film layer 21 and SiO with thickness of 40 nm-43 nm₂Film layer 22 and TiO with thickness of 45 nm-50 nm₂Film layer 21 and SiO with thickness of 10 nm-12 nm₂Film layer 22 and TiO with thickness of 50 nm-55 nm₂Film layer 22 and SiO with thickness of 57 nm-60 nm₂A membrane layer 21. Aims to effectively realize the anti-reflection effect by controlling the thickness of each layer, further improve and ensure the whole light transmittance effect, and the best proposal leads the AR film layer 2 to be TiO with the thickness of 11.35nm from inside to outside in sequence₂Film layer 21SiO with a thickness of 41nm₂Film layer 22, 47.25nm thick TiO₂Film layer 21, SiO with thickness of 10nm₂Film layer 22, 53.02nm thick TiO₂Film layer 22 and SiO with thickness of 57.19nm₂ A membrane layer 21. Further, the thickness of the AF film layer 2 is set to 30 to 40 nm. Can guarantee the antistatic function of ITO rete 3, and can guarantee the anti-soil effect of anti-fingerprint again. The overall light transmittance of the antistatic touch screen for the vehicle is over 95 percent, and the surface resistance value can achieve the effect of being less than or equal to 1M omega.

The specific plating mode of the structure of each coating layer of the antistatic touch screen for the automobile can be formed by adopting a general vacuum coating mode, the temperature of the coating is specifically 200 ℃, and the rotating speed of a workpiece turntable for placing the glass substrate 1 to be processed is 20 r/min.

During processing, the glass substrate 1 to be processed can be cleaned and dried, and then the glass substrate is placed into a vacuum coating machine for coating each layer of film, specifically, an AR film 2 of the structural film is formed on the surface of the glass substrate 1 through vacuum sputtering coating, an ITO film 3 is coated on the outermost surface of the AR film 2, and then an AF film 4 is formed on the surface of the ITO film 3 through evaporation.

The embodiments described in this application are intended to be illustrative only of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.

Claims

1. The utility model provides an antistatic touch screen for vehicle, the touch screen includes glass substrate (1), the surface of glass substrate (1) is plated and is equipped with AR rete (2), AR rete (2) surface is plated and is equipped with AF rete (4), its characterized in thatAn ITO film layer (3) is further plated between the AR film layer (2) and the AF film layer (4), and the AR film layer (2) is formed by TiO₂Film layer (21) and SiO₂The film layers (22) are alternately plated to form a structural film layer, and the outermost layer of the AR film layer (2) is SiO₂A membrane layer (22).

2. The antistatic touch screen for the vehicle as claimed in claim 1, wherein the thickness of the ITO film layer (3) is 20nm to 25 nm.

3. The antistatic touch screen for the vehicle as claimed in claim 1, wherein the AR film layer (2) is TiO film layer contacting with the glass substrate (1)₂A membrane layer (21).

4. The antistatic touch screen for the vehicle as claimed in claim 1, wherein the AR film layer (2) is a nanoscale film layer.

5. The antistatic touch screen for the vehicle as claimed in any one of claims 1 to 4, wherein the AR film layer (2) is TiO with a thickness of 10nm to 12nm from inside to outside in sequence₂A film layer (21) and SiO with the thickness of 40nm to 43nm₂A film layer (22) and TiO with the thickness of 45nm to 50nm₂A film layer (21) and SiO with the thickness of 10nm to 12nm₂A film layer (22) and TiO with the thickness of 50nm to 55nm₂A film layer (21) and SiO with the thickness of 57nm to 60nm₂A membrane layer (22).

6. The antistatic touch screen for the vehicle as claimed in any one of claims 1 to 4, wherein the thickness of the AF film layer (4) is 30nm to 40 nm.