CN218896479U

CN218896479U - Touch screen conductive film

Info

Publication number: CN218896479U
Application number: CN202222925433.0U
Authority: CN
Inventors: 蒋义
Original assignee: Anhui Santian Intelligent Technology Co ltd
Current assignee: Anhui Santian Intelligent Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-21
Anticipated expiration: 2032-11-03

Abstract

The utility model provides a touch screen conductive film, which comprises a conductive film base layer, wherein a copper ion low-resistance layer and a silver ion low-resistance layer are respectively arranged on the upper side and the lower side of the conductive film base layer, a heat conduction layer and a waterproof film layer are sequentially connected to the other side of the silver ion low-resistance layer, the heat conduction layer is made of pressure-sensitive adhesive containing heat conduction powder, and a blue light prevention film layer and a hardening protection layer are sequentially connected to the upper side of the copper ion low-resistance layer. According to the utility model, the upper side and the lower side of the conductive film are respectively provided with the low-resistance layer, and the low-resistance layer is respectively connected with the external glass plate and the circuit board, so that the resistance on an electronic transmission path is reduced, the electronic transmission loss is reduced, the electronic transmission efficiency is improved, and the control precision of the touch screen is improved.

Description

Touch screen conductive film

Technical Field

The utility model relates to the technical field of touch screens, in particular to a touch screen conductive film.

Background

The touch screen is also called as a touch screen or a touch panel, and is an induction type liquid crystal display device capable of receiving input signals such as contact points, when the touch screen contacts graphic buttons on the screen, the touch feedback system on the screen can drive various connecting devices according to a preprogrammed program, and can be used for replacing a mechanical button panel and producing vivid video and audio effects by virtue of a liquid crystal display picture.

The conductive film means a film having a conductive function. The charge carriers of the conductive film are scattered by the surface and interface during transport, and when the thickness of the film is comparable to the free range of electrons, the effect at the surface and interface becomes significant, a phenomenon known as the size effect of the film.

When the touch screen conductive film used at present is used, the conductive film is arranged between a glass plate on the touch screen and a circuit board, the conductive film is electrically connected with the circuit board, people touch the glass plate on the touch screen, and the circuit between a human body and the conductive film is conducted under the action of a magnetic field, so that the circuit board is controlled, and when electrons are transmitted through the conductive film, the loss of the electrons in the transmission process is increased due to the fact that the resistance of the conductive film is large and the connection area between the conductive film and the glass plate and the circuit board is large, the transmission efficiency of the electrons is reduced, and the control accuracy of the touch screen is reduced.

Disclosure of Invention

The present utility model aims to provide a touch screen conductive film that overcomes or at least partially solves the above-mentioned problems.

In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:

the utility model provides a touch screen conductive film, which comprises a conductive film base layer, wherein a copper ion low-resistance layer and a silver ion low-resistance layer are respectively arranged on the upper side and the lower side of the conductive film base layer, a heat conduction layer and a waterproof film layer are sequentially connected to the other side of the silver ion low-resistance layer, the heat conduction layer is made of pressure-sensitive adhesive containing heat conduction powder, and a blue light prevention film layer and a hardening protection layer are sequentially connected to the upper side of the copper ion low-resistance layer.

As a further scheme of the utility model, the thickness of the silver ion low-resistance layer is 100-250nm.

As a further scheme of the utility model, the thickness of the copper ion low-resistance layer is 100-250nm.

As a further scheme of the utility model, the thickness of the blue light prevention film layer is 10-15 mu m.

As a further aspect of the present utility model, the thickness of the hardening protective layer is 15-30 μm.

The utility model provides a touch screen conductive film, which has the beneficial effects that: through set up one side low resistance layer respectively in the upper and lower side of conducting film to be connected with external glass board and circuit board respectively through low resistance layer, thereby reduced the resistance on the electron transfer route, reduced electron transmission loss, thereby improved the transmission efficiency of electron, improved the control precision of touch-sensitive screen, through set up heat conduction layer, waterproof rete, prevent blue light layer and hardening protective layer on the conducting film in addition, then expanded the service function nature of conducting film, improved the market competition of conducting film.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a conductive film base layer; 2. a silver ion low resistance layer; 3. a heat conducting layer; 4. a waterproof membrane layer; 5. a copper ion low resistance layer; 6. a blue light preventing film layer; 7. hardening the protective layer.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Example 1

Referring to fig. 1, the conductive film for a touch screen provided by the embodiment of the utility model comprises a conductive film base layer 1, wherein a copper ion low-resistance layer 5 and a silver ion low-resistance layer 2 are respectively arranged on the upper side and the lower side of the conductive film base layer 1, a heat conducting layer 3 and a waterproof film layer 4 are sequentially connected to the other side of the silver ion low-resistance layer 2, the heat conducting layer 3 is made of pressure-sensitive adhesive containing heat conducting powder, a blue light prevention film layer 6 and a hardening protection layer 7 are sequentially connected to the upper side of the copper ion low-resistance layer 5, the thickness of the silver ion low-resistance layer 2 is controlled at 100nm, the thickness of the copper ion low-resistance layer 5 is controlled at 100nm, the thickness of the blue light prevention film layer 6 is controlled at 10 μm, and the thickness of the hardening protection layer 7 is controlled at 15 μm.

In the use process, the upper side and the lower side of the conductive film base layer 1 are respectively coated with the copper ion low-resistance layer 5 and the silver ion low-resistance layer 2 by adopting an evaporation coating process, then the other side of the copper ion low-resistance layer 5 is sequentially adhered with the blue light prevention film layer 6 and the hardening protection film by using high-light-transmittance adhesives, thereby realizing blue light prevention protection, wear resistance and corrosion resistance protection of the conductive film, and the other side of the silver ion low-resistance layer 2 is also sequentially adhered with the heat conduction layer 3 and the waterproof film layer 4 by using high-light-transmittance adhesives, thereby realizing rapid heat dissipation, waterproof insulation protection of the conductive film, and reducing damage in the electron transfer process and improving the electron transfer efficiency by using double-layer low-resistance layers.

Example two

Referring to fig. 1, the conductive film for a touch screen provided by the embodiment of the utility model comprises a conductive film base layer 1, wherein a copper ion low-resistance layer 5 and a silver ion low-resistance layer 2 are respectively arranged on the upper side and the lower side of the conductive film base layer 1, a heat conducting layer 3 and a waterproof film layer 4 are sequentially connected to the other side of the silver ion low-resistance layer 2, the heat conducting layer 3 is made of pressure-sensitive adhesive containing heat conducting powder, a blue light prevention film layer 6 and a hardening protection layer 7 are sequentially connected to the upper side of the copper ion low-resistance layer 5, the thickness of the silver ion low-resistance layer 2 is controlled to 250nm, the thickness of the copper ion low-resistance layer 5 is controlled to 250nm, the thickness of the blue light prevention film layer 6 is controlled to 15 μm, and the thickness of the hardening protection layer 7 is controlled to 30 μm.

In the use process, the upper side and the lower side of the conductive film base layer 1 are respectively coated with the copper ion low-resistance layer 5 and the silver ion low-resistance layer 2 by adopting a spin coating process, then the other side of the copper ion low-resistance layer 5 is sequentially adhered with the blue light prevention film layer 6 and the hardening protection film by using high-light-transmittance adhesives, thereby realizing blue light prevention protection, wear resistance and corrosion resistance protection of the conductive film, and the other side of the silver ion low-resistance layer 2 is also sequentially adhered with the heat conduction layer 3 and the waterproof film layer 4 by using high-light-transmittance adhesives, thereby realizing rapid heat dissipation, waterproof insulation protection of the conductive film, and reducing damage in the electron transfer process and improving the electron transfer efficiency by using double-layer low-resistance layers.

Example III

Referring to fig. 1, the conductive film for a touch screen provided by the embodiment of the utility model comprises a conductive film base layer 1, wherein a copper ion low-resistance layer 5 and a silver ion low-resistance layer 2 are respectively arranged on the upper side and the lower side of the conductive film base layer 1, a heat conducting layer 3 and a waterproof film layer 4 are sequentially connected to the other side of the silver ion low-resistance layer 2, the heat conducting layer 3 is made of pressure-sensitive adhesive containing heat conducting powder, a blue light prevention film layer 6 and a hardening protection layer 7 are sequentially connected to the upper side of the copper ion low-resistance layer 5, the thickness of the silver ion low-resistance layer 2 is controlled at 200nm, the thickness of the copper ion low-resistance layer 5 is controlled at 200nm, the thickness of the blue light prevention film layer 6 is controlled at 13 μm, and the thickness of the hardening protection layer 7 is controlled at 25 μm.

In the use process, the upper side and the lower side of the conductive film base layer 1 are respectively coated with the copper ion low-resistance layer 5 and the silver ion low-resistance layer 2 by adopting a sputtering coating process, then the other side of the copper ion low-resistance layer 5 is sequentially adhered with the blue light prevention film layer 6 and the hardening protection film by using high-light-transmittance adhesives, thereby realizing blue light prevention protection, wear resistance and corrosion resistance protection of the conductive film, and the other side of the silver ion low-resistance layer 2 is also sequentially adhered with the heat conduction layer 3 and the waterproof film layer 4 by using high-light-transmittance adhesives, thereby realizing rapid heat dissipation, waterproof insulation protection of the conductive film, and reducing damage in the electron transfer process and improving the electron transfer efficiency by using double-layer low-resistance layers.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The utility model provides a touch-sensitive screen conducting film, includes conducting film basic unit (1), its characterized in that, the upside and the downside of conducting film basic unit (1) are provided with copper ion low resistance layer (5) and silver ion low resistance layer (2) respectively, the opposite side of silver ion low resistance layer (2) has connected gradually conducting layer (3) and waterproof rete (4), and conducting layer (3) are made by the pressure sensitive adhesive that contains the heat conduction powder, copper ion low resistance layer (5) upside has connected gradually blue light prevention rete (6) and hardening protective layer (7).

2. A touch screen conductive film according to claim 1, characterized in that the silver ion low resistance layer (2) has a thickness of 100-250nm.

3. A touch screen conductive film according to claim 1, characterized in that the copper ion low resistance layer (5) has a thickness of 100-250nm.

4. A touch screen conductive film according to claim 1, characterized in that the thickness of the blue light preventing film layer (6) is 10-15 μm.

5. A touch screen conductive film according to claim 1, characterized in that the thickness of the stiffening protective layer (7) is 15-30 μm.