CN216210971U

CN216210971U - Antistatic capacitive touch screen

Info

Publication number: CN216210971U
Application number: CN202122725808.4U
Authority: CN
Inventors: 邱明基
Original assignee: Guangzhou Kdtouch Electronic Co ltd
Current assignee: Guangzhou Kdtouch Electronic Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-05
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses an antistatic capacitive touch screen which comprises a touch screen main body, wherein the touch screen main body comprises a touch substrate and a rubber frame, conductive strips are embedded in the rubber frame, the upper side and the lower side of the touch substrate are respectively an upper protective layer and a lower protective layer, an antistatic layer is arranged at the top of the upper protective layer, a conductive sheet is arranged outside the antistatic layer, one end of the conductive sheet is embedded into the antistatic layer, the other end of the conductive sheet penetrates through the rubber frame and extends to the conductive strips, the conductive sheet is connected with the conductive strips, and electrodes are arranged on the rubber frame. According to the utility model, the static voltage is discharged through the anti-static layer, partial static electricity can be eliminated, meanwhile, the residual static electricity is conducted to the conductive strips through the conductive strips, the static electricity is conducted to the electrodes through the conductive strips, and finally, the static electricity is led out through the electrodes, so that the damage of the static electricity to circuits and the like in the touch screen is effectively avoided, and the probability of electrostatic breakdown of the touch screen is greatly reduced.

Description

Antistatic capacitive touch screen

Technical Field

The utility model relates to the field of touch screens, in particular to an antistatic capacitive touch screen.

Background

The touch screen is also called a touch screen and a touch panel, and the touch screen is widely used as an input device in electronic device terminals such as game machines, mobile phones and GPS, and includes an infrared touch screen, a surface acoustic wave touch screen, a resistive touch screen and a capacitive touch screen, wherein the capacitive touch screen has the advantages of simple structure, high light transmittance, friction resistance, environmental humidity and temperature change resistance, long service life, and capability of realizing multi-point touch, and is becoming a market center and a market focus of the touch screen.

Most of existing capacitive touch screens adopt insulating glue as an antistatic means, but after long-time use, the insulating glue is easy to age and damage, the screen cannot be effectively protected, and the touch screen is easy to be subjected to electrostatic breakdown.

Therefore, it is necessary to invent an antistatic capacitive touch screen to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an antistatic capacitive touch screen, which aims to solve the problems that most of the existing capacitive touch screens adopt insulating glue as an antistatic means, but the insulating glue is easy to age and damage after being used for a long time, cannot effectively protect the screen and is easy to cause electrostatic breakdown of the touch screen.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an antistatic capacitive touch screen, includes the touch-sensitive screen main part, the touch-sensitive screen main part includes touch substrate and gluey frame, the inside of gluing the frame inlays and is equipped with the busbar, the last downside of touch substrate is protective layer and lower protective layer respectively, the top of going up the protective layer is equipped with antistatic backing, antistatic backing is equipped with outward, the one end embedding antistatic backing of conducting strip, the other end of conducting strip runs through gluey frame and extends to busbar department, the conducting strip links to each other with the busbar, just install the electrode on gluing the frame, the one end of electrode runs through gluey frame and links to each other with the busbar.

Preferably, an explosion-proof layer is arranged on the top of the anti-static layer, the explosion-proof layer is an explosion-proof membrane, and the explosion-proof layer is connected with the anti-static layer in an adhesion mode through gluing.

Preferably, the surface of the explosion-proof layer is sprayed with a functional layer, and the functional layer is an AF antifouling coating.

Preferably, an insulating glue layer is bonded on the inner side of the glue frame, and the insulating glue layer is bonded and connected with the touch substrate, the upper protective layer, the lower protective layer, the anti-static layer, the anti-explosion layer and the functional layer.

Preferably, the number of conducting strips is equipped with a plurality of, the conducting strip is equidistant to be distributed outside antistatic layer, the thickness of conducting strip is the same with the thickness of busbar.

Preferably, the upper protective layer and the lower protective layer are both composite glass layers, and the thickness of the upper protective layer is the same as that of the lower protective layer.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. static voltage is drained through the anti-static layer, partial static electricity can be eliminated, meanwhile, the residual static electricity is conducted to the conductive strips through the conductive strips, the static electricity is conducted to the electrodes through the conductive strips, and finally the static electricity is led out through the electrodes, so that damage of the static electricity to circuits and the like in the touch screen is effectively avoided, and the probability of the touch screen being broken down by the static electricity is greatly reduced;

2. the glass splashing condition can be effectively prevented when the touch screen is cracked through the arranged explosion-proof layer, and the safety is improved;

3. the anti-fouling AF coating enables fingerprints and oil stains to be not easy to adhere to the screen, and can facilitate users to erase the fingerprints and the oil stains and improve the wear resistance of the screen.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top cross-sectional view of the present invention;

fig. 3 is a side cross-sectional view of the present invention.

Description of reference numerals:

1. a touch screen main body; 2. a rubber frame; 3. a touch substrate; 4. a lower protective layer; 5. an upper protective layer; 6. an antistatic layer; 7. an insulating glue layer; 8. an explosion-proof layer; 9. a functional layer; 10. a conductive strip; 11. a conductive sheet; 12. and an electrode.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides an antistatic capacitive touch screen as shown in figures 1-3, which comprises a touch screen main body 1, wherein the touch screen main body 1 comprises a touch substrate 3 and a rubber frame 2, the rubber frame 2 is an insulating rubber frame and is made of rubber, static electricity generated in the using process of the touch screen can be effectively blocked, a conductive strip 10 is embedded in the rubber frame 2, the upper side and the lower side of the touch substrate 3 are respectively an upper protective layer 5 and a lower protective layer 4, the top of the upper protective layer 5 is provided with an antistatic layer 6, the antistatic layer 6 is a coating formed by static conductive paint, a conductive strip 11 is arranged outside the antistatic layer 6, one end of the conductive strip 11 is embedded in the antistatic layer 6, the other end of the conductive strip 11 penetrates through the rubber frame 2 and extends to the conductive strip 10, the conductive strip 11 is connected with the conductive strip 10, an electrode 12 is arranged on the rubber frame 2, and static electricity is led out by the electrode 12, one end of the electrode 12 penetrates through the rubber frame 2 and is connected with the conductive strip 10.

Further, in above-mentioned technical scheme, the top of antistatic backing 6 is equipped with explosion-proof layer 8, explosion-proof layer 8 is the rupture membrane, explosion-proof layer 8 is connected with antistatic backing 6 bonding through sticky, and the condition that glass splashes when the explosion-proof layer 8 through the setting can effectively prevent that the touch-sensitive screen is cracked has improved the security.

Furthermore, in the above technical scheme, the surface of the explosion-proof layer 8 is sprayed with the functional layer 9, the functional layer 9 is an AF antifouling coating, and the AF antifouling coating can not only ensure that the fingerprints and the oil stains are not easy to adhere to the screen, but also facilitate the users to erase the fingerprints and the oil stains, and improve the wear resistance of the screen.

Further, in above-mentioned technical scheme, glue frame 2 inboard bonding and have insulating glue layer 7, insulating glue layer 7 and touch substrate 3, upper protective layer 5, lower protective layer 4, antistatic backing 6, explosion-proof layer 8 and functional layer 9 bonding connection, the insulating glue layer 7 that sets up can not only bond the touch-sensitive screen, can also effectively obstruct the static that produces in the touch-sensitive screen use, has improved antistatic effect.

Further, in the above technical solution, the number of the conductive sheets 11 is provided with a plurality of conductive sheets 11, the conductive sheets 11 are distributed outside the anti-static layer 6 at equal intervals, the thickness of the conductive sheets 11 is the same as that of the conductive strips 10, and static electricity can be effectively conducted by using the plurality of conductive sheets 11.

Further, in the above technical solution, the upper protection layer 5 and the lower protection layer 4 are both composite glass layers, the thickness of the upper protection layer 5 is the same as that of the lower protection layer 4, and the touch substrate 3 is protected by the upper protection layer 5 and the lower protection layer 4.

This practical theory of operation:

referring to the attached

drawings

1, 2 and 3 in the specification, partial static electricity can be eliminated by conducting static voltage through the anti-static layer 6, meanwhile, residual static electricity is conducted to the conductive strips 10 through the conductive strips 11, the static electricity is conducted to the electrodes 12 through the conductive strips 10, and finally the static electricity is conducted out through the electrodes 12, so that damage of the static electricity to circuits and the like in the touch screen is effectively avoided, and the probability of electrostatic breakdown of the touch screen is greatly reduced;

referring to the attached figures 1 and 3 of the specification, the glass splashing condition can be effectively prevented when the touch screen is cracked through the arranged explosion-proof layer 8, and the safety is improved;

referring to the attached drawings 1 and 3 of the specification, the AF antifouling coating can prevent fingerprints and oil stains from being adhered to a screen easily, so that a user can erase the fingerprints and the oil stains conveniently, and the wear resistance of the screen can be improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. An antistatic capacitive touch screen, includes touch screen main part (1), its characterized in that: touch-sensitive screen main part (1) includes touch substrate (3) and glues frame (2), the inside of gluing frame (2) is inlayed and is equipped with conducting strip (10), the last downside of touch substrate (3) is last protective layer (5) and lower protective layer (4) respectively, the top of going up protective layer (5) is equipped with antistatic backing (6), antistatic backing (6) are equipped with conducting strip (11) outward, the one end embedding antistatic backing (6) of conducting strip (11), the other end of conducting strip (11) runs through gluey frame (2) and extends to conducting strip (10) department, conducting strip (11) link to each other with conducting strip (10), just install electrode (12) on gluey frame (2), the one end of electrode (12) is run through gluey frame (2) and is continuous with conducting strip (10).

2. The antistatic capacitive touch screen of claim 1, wherein: the anti-static layer is characterized in that an anti-explosion layer (8) is arranged at the top of the anti-static layer (6), the anti-explosion layer (8) is an anti-explosion membrane, and the anti-explosion layer (8) is bonded with the anti-static layer (6) through gluing.

3. An antistatic capacitive touch screen according to claim 2, wherein: the surface of the explosion-proof layer (8) is sprayed with a functional layer (9), and the functional layer (9) is an AF antifouling coating.

4. An antistatic capacitive touch screen according to claim 3, wherein: an insulating glue layer (7) is bonded on the inner side of the glue frame (2), and the insulating glue layer (7) is bonded and connected with the touch substrate (3), the upper protective layer (5), the lower protective layer (4), the anti-static layer (6), the anti-explosion layer (8) and the functional layer (9).

5. The antistatic capacitive touch screen of claim 1, wherein: the number of the conducting strips (11) is provided with a plurality of conducting strips, the conducting strips (11) are distributed outside the anti-static layer (6) at equal intervals, and the thickness of the conducting strips (11) is the same as that of the conducting strips (10).

6. The antistatic capacitive touch screen of claim 1, wherein: the upper protection layer (5) and the lower protection layer (4) are both composite glass layers, and the thickness of the upper protection layer (5) is the same as that of the lower protection layer (4).