CN209086889U - Touch screen and touch device - Google Patents

Abstract

The utility model relates to a kind of touch screen and touch control devices, touch screen includes light transmitting electro-conductive substrate and the transparency conducting film that is covered on light transmitting electro-conductive substrate, the light transmitting electro-conductive substrate is equipped with touch screen control circuit and button close to the side of transparency conducting film, and the touch screen control circuit and button are electrically connected；It light transmitting electro-conductive substrate and is covered in transparency conducting film on light transmitting electro-conductive substrate and cooperatively forms touch screen, touch screen control circuit is set on light transmitting electro-conductive substrate, and the button and touch screen control circuit being set on light transmitting electro-conductive substrate are electrically connected；So installation of the achievable button in protection panels during touch screen is mounted in protection panels, and then solve the problems, such as that substep mounts complex procedures existing for touch screen and thin film switch；Meanwhile the position restriction of button and touch screen control circuit can be completed during button and touch screen control circuit are set on light transmitting electro-conductive substrate, so facilitate attachment.

Description

Touch screen and touch device

technical field

The utility model relates to the technical field of touch control, in particular to a touch control screen and a touch control device.

Background technique

Common touch devices include electrically connected touch screens and membrane switches. There is a problem of low matching accuracy between the touch screen and the membrane switch mounted on the protective panel, and at the same time, there is a problem of complicated processes in mounting the touch screen and the membrane switch.

Utility model content

Based on this, the present invention overcomes the defects of the prior art and provides a touch screen and a touch device to solve the problems of low matching precision and complicated mounting process.

A touch screen, comprising a light-transmitting conductive substrate and a light-transmitting conductive film covering the light-transmitting conductive substrate, wherein a touch-screen control circuit and a button, and the touch screen control circuit is electrically connected to the button.

In the above touch screen, the light-transmitting conductive substrate cooperates with the light-transmitting conductive film covering the light-transmitting conductive substrate to form a touch screen, the touch screen control circuit is arranged on the light-transmitting conductive substrate, and the buttons are arranged on the light-transmitting conductive substrate It is electrically connected with the touch screen control circuit; in this way, during the process of attaching the touch screen to the protective panel, the installation of the button on the protective panel can be completed, thereby solving the problem of step-by-step mounting of the touch screen and the membrane switch. At the same time, in the process of disposing the button and the touch screen control circuit on the light-transmitting conductive substrate, the position limitation of the button and the touch screen control circuit can be completed, which facilitates the mounting.

In one embodiment, an insulating adhesive layer is provided between the light-transmitting conductive substrate and the light-transmitting conductive film, and a first through window corresponding to a button is opened on the insulating adhesive layer, and the button is located in the first through window. inside the window. The light-transmitting conductive substrate and the light-transmitting conductive film can be bonded together by the insulating adhesive layer, and the first through window on the insulating adhesive layer can avoid the button; at the same time, the inner wall of the first through window can also limit the button on the light-transmitting conductive substrate. position on the chip to avoid displacement of the button relative to the touch screen control circuit.

In one embodiment, the light-transmitting conductive film is provided with a second through window corresponding to the button, and the light-transmitting conductive film covers the edge of the button. Opening the second through window on the light-transmitting conductive film can prevent the area corresponding to the second through-window on the light-transmitting conductive film from bulging, so that the entire light-transmitting conductive film is relatively flat; and the structure of covering the edge of the button with the light-transmitting conductive film , the position of the button on the light-transmitting conductive substrate can be restricted by the light-transmitting conductive film.

In one embodiment, the insulating adhesive layer is double-sided adhesive tape. The double-sided tape has low fluidity. When using the double-sided tape to bond the light-transmitting conductive substrate and the light-transmitting conductive film, the double-sided tape can better limit the gap between the light-transmitting conductive substrate and the light-transmitting conductive film. bonding area.

In one embodiment, the touch screen further includes an indicator light, and the indicator light is disposed on the light-transmitting conductive substrate and is electrically connected to the touch screen control circuit. The feedback signal of the touch screen control circuit is output through the indicator light; thus, it is convenient for the operator to obtain the feedback signal of the touch screen control circuit from the indicator light.

In one embodiment, conductive adhesive is provided between the indicator light and the light-transmitting conductive substrate, one side of the conductive adhesive is bonded to the indicator light, and the other side of the conductive adhesive is connected to the touch screen control panel. circuit bonding. The conductive adhesive has good electrical conductivity. In the way of using the conductive adhesive to bond the indicator light to the touch screen control circuit, it can not only use the conductive adhesive to bond and fix the indicator light, but also ensure the connection between the indicator light and the touch screen control circuit. There is good electrical conductivity between them.

In one embodiment, a third through window corresponding to the indicator light is opened on the light-transmitting conductive film, and the indicator light is installed in the third through window. By installing the indicator light in the third through window, the light-transmitting conductive film at the indicator light can be prevented from protruding, so that the entire light-transmitting conductive film is relatively flat.

In one embodiment, the touch screen further includes a flexible circuit board, the flexible circuit board is electrically connected to the touch screen control circuit, and the flexible circuit board is used for external devices. In use, the signal transmission among the touch screen, buttons and external devices can be realized through the flexible circuit board.

A touch device includes a protection panel and any one of the above touch screens, wherein the touch screen is attached to the protection panel.

In the above-mentioned touch device, during use, the protective panel isolates the user from the touch screen, so that the touch screen can be protected by the protective panel, thereby improving the service life of the touch screen.

In one embodiment, an optical adhesive layer is provided between the touch screen and the protective panel, one side of the optical adhesive layer is bonded to the light-transmitting conductive film, and the other side of the optical adhesive layer is bonded to the protective panel . The optical adhesive layer has good optical properties, which can ensure the display effect of the touch device.

Description of drawings

FIG. 1 is a schematic structural diagram of a touch screen according to an embodiment;

FIG. 2 is a schematic structural diagram of a touch control device according to an embodiment.

Description of reference numbers:

110, transparent conductive substrate, 110a, first touch area, 110b, first control area, 120, transparent conductive film, 120a, second touch area, 120b, second control area, 121, second pass window, 122, third pass window, 130, insulating adhesive layer, 131, first pass window, 132, fourth pass window, 210, button, 220, indicator light, 230, flexible circuit board, 300, protective panel, 310 , Optical adhesive layer.

Detailed ways

In order to facilitate the understanding of the present utility model, the present utility model will be more fully described below with reference to the related drawings. The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

With reference to FIG. 1 , in one embodiment, a touch screen is provided, including a light-transmitting conductive substrate 110 and a light-transmitting conductive film 120 covering the light-transmitting conductive substrate 110 . The light-transmitting conductive substrate 110 A touch screen control circuit (not shown in the figure) and a button 210 are disposed on the side close to the light-transmitting conductive film 120 , and the touch screen control circuit is electrically connected to the button 210 .

In the above touch screen, the light-transmitting conductive substrate 110 cooperates with the light-transmitting conductive film 120 covering the light-transmitting conductive substrate 110 to form a touch screen. The button 210 on the photoconductive substrate 110 is electrically connected to the touch screen control circuit; in this way, the installation of the button 210 on the protective panel 300 can be completed during the process of attaching the touch screen to the protective panel 300, thereby solving the problem of The step-by-step mounting of the touch screen and the membrane switch has the problem of complicated processes; at the same time, the button 210 and the touch screen control can be completed in the process of disposing the button 210 and the touch screen control circuit on the light-transmitting conductive substrate 110 The position of the circuit is limited, which facilitates the placement.

In one embodiment, an insulating adhesive layer 130 is provided between the light-transmitting conductive substrate 110 and the light-transmitting conductive film 120 , and a first through window 131 corresponding to the button 210 is opened on the insulating adhesive layer 130 . The button 210 is located in the first through window 131 . The light-transmitting conductive substrate 110 and the light-transmitting conductive film 120 can be bonded together by the insulating adhesive layer 130, and the first through window 131 on the insulating adhesive layer 130 can avoid the button 210; at the same time, the inner wall of the first through window 131 can also The position of the button 210 on the transparent conductive substrate 110 is limited to avoid displacement of the button 210 relative to the touch screen control circuit.

In one embodiment, the light-transmitting conductive film 120 is provided with a second through window 121 corresponding to the button 210 , and the light-transmitting conductive film 120 covers the edge of the button 210 . Opening the second through window 121 on the light-transmitting conductive film 120 can prevent the region corresponding to the second through-window 121 on the light-transmitting conductive film 120 from bulging, so that the light-transmitting conductive film 120 is relatively flat as a whole; The structure of 120 covering the edge of the button 210 can limit the position of the button 210 on the transparent conductive substrate 110 through the transparent conductive film 120 .

In one embodiment, the insulating adhesive layer 130 is a double-sided adhesive tape. The double-sided tape has low fluidity. When using the double-sided tape to bond the light-transmitting conductive substrate 110 and the light-transmitting conductive film 120, the light-transmitting conductive substrate 110 and the light-transmitting conductive film 120 can be better restricted by the double-sided tape. Bonding area between films 120 .

Specifically, in this embodiment, the light-transmitting conductive substrate 110 is provided with a first touch area 110a and a first control area 110b, and the light-transmitting conductive film 120 is provided with a first touch area 110a corresponding to the first touch area 110a. The second touch area 120a and the second control area 120b corresponding to the first control area 110b. The first touch area 110a and the second touch area 120a cooperate to form a touch function area, and the touch function area is used for touch operations. The aforementioned insulating adhesive layer 130 is attached between the first control area 110b and the second control area 120b, and the touch screen control circuit and the buttons 210 are disposed in the first control area 110b.

Further, the first control area 110b is disposed around the first touch area 110a, and the second control area 120b is disposed around the second touch area 120a.

Specifically, the transparent conductive substrate 110 is transparent conductive glass. The transparent conductive film 120 is a conductive PET film.

In one embodiment, the touch screen further includes an indicator light 220 . The indicator light 220 is disposed on the transparent conductive substrate 110 and is electrically connected to the touch screen control circuit. The feedback signal of the touch screen control circuit is output through the indicator light 220 ; thus, it is convenient for the operator to obtain the feedback signal of the touch screen control circuit from the indicator light 220 .

Specifically, the above-mentioned indicator lights 220 are LED lights.

In one embodiment, a conductive adhesive (not shown in the figure) is provided between the indicator light 220 and the light-transmitting conductive substrate 110 , one side of the conductive adhesive is bonded to the indicator light 220 , and the conductive adhesive is The other side is bonded with the touch screen control circuit. The conductive adhesive has good electrical conductivity. When using the conductive adhesive to bond the indicator light 220 to the touch screen control circuit, the conductive adhesive can be used to bond and fix the indicator light 220 and ensure that the indicator light 220 is connected to the touch screen. There is good electrical conductivity between the control circuits.

Specifically, in this embodiment, the conductive adhesive is conductive silver paste.

In one embodiment, the light-transmitting conductive film 120 is provided with a third through window 122 corresponding to the indicator light 220 , and the indicator light 220 is installed in the third through window 122 . By installing the indicator light 220 in the third through window 122, the light-transmitting conductive film 120 at the indicator light 220 can be prevented from protruding, thereby making the light-transmitting conductive film 120 relatively flat as a whole.

Specifically, in this embodiment, the insulating adhesive layer 130 is provided with a fourth through window 132 corresponding to the indicator light 220 .

In one embodiment, the touch screen further includes a flexible circuit board 230, the flexible circuit board 230 is electrically connected to the touch screen control circuit, and the flexible circuit board 230 is used for external devices. In use, the signal transmission among the touch screen, the buttons 210 and the external devices can be realized through the flexible circuit board 230 .

Referring to FIG. 2 , another embodiment provides a touch device including a protection panel 300 and the touch screen described in any of the above embodiments, and the touch screen is attached to the protection panel 300 .

In the above-mentioned touch device, during use, the protection panel 300 isolates the user from the touch screen, so that the protection panel 300 can be used to protect the touch screen, thereby improving the service life of the touch screen.

In one embodiment, an optical adhesive layer 310 is disposed between the touch screen and the protection panel 300 , one side of the optical adhesive layer 310 is bonded to the light-transmitting conductive film 120 , and the other side of the optical adhesive layer 310 is connected to the protective film 120 . Panel 300 is bonded. The optical adhesive layer 310 has good optical properties, so as to ensure the display effect of the touch device.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (10)

1. a touch screen, it is characterized in that, comprise light-transmitting conductive substrate and be covered on the light-transmitting conductive film on the light-transmitting conductive substrate, described light-transmitting conductive substrate is provided with on the side close to the light-transmitting conductive film A touch screen control circuit and a button are provided, wherein the touch screen control circuit is electrically connected with the button. 2 . The touch screen according to claim 1 , wherein an insulating adhesive layer is provided between the light-transmitting conductive substrate and the light-transmitting conductive film, and the insulating adhesive layer is provided with a second button corresponding to the button. 3 . A through window, the button is located in the first through window. 3 . The touch screen of claim 2 , wherein the light-transmitting conductive film is provided with a second through window corresponding to the button, and the light-transmitting conductive film covers the edge of the button. 4 . 4 . The touch screen of claim 2 , wherein the insulating adhesive layer is a double-sided adhesive tape. 5 . 5 . The touch screen according to claim 1 , further comprising an indicator light, the indicator light is disposed on the light-transmitting conductive substrate and is electrically connected to the touch screen control circuit. 6 . 6 . The touch screen according to claim 5 , wherein a conductive adhesive is provided between the indicator light and the light-transmitting conductive substrate, one side of the conductive adhesive is bonded to the indicator light, and the conductive adhesive is bonded to the indicator light. 7 . The other side of the glue is bonded to the touch screen control circuit. 7 . The touch screen of claim 5 , wherein a third through window corresponding to an indicator light is opened on the light-transmitting conductive film, and the indicator light is installed in the third through window. 8 . 8 . The touch screen according to claim 1 , further comprising a flexible circuit board, the flexible circuit board is electrically connected with the touch screen control circuit, and the flexible circuit board is used for external devices. 9 . 9 . A touch device, comprising a protection panel and the touch screen according to claim 1 , wherein the touch screen is attached to the protection panel. 10 . 10 . The touch control device according to claim 9 , wherein an optical adhesive layer is provided between the touch screen and the protective panel, and one side of the optical adhesive layer is bonded to the light-transmitting conductive film, and the optical adhesive layer is 10 . The other side of the layer is bonded to the protective panel.