CN210324149U

CN210324149U - Touch screen and mobile terminal

Info

Publication number: CN210324149U
Application number: CN201921428604.0U
Authority: CN
Inventors: 熊芳芳
Original assignee: Jiangxi Lianchuang Electronic Co Ltd
Current assignee: Jiangxi Lianchuang Electronic Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-14
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a touch-sensitive screen and mobile terminal, this touch-sensitive screen include base plate and flexible circuit board: the substrate is provided with a first induction area, a second induction area and a folding area, the folding area is positioned between the first induction area and the second induction area, the substrate is made of PET materials, and the substrate can be folded and bent along the folding area; the first induction area is provided with a plurality of first driving channels and a plurality of first induction channels, and the second induction area is provided with a plurality of second driving channels and a plurality of second induction channels; the flexible circuit board is connected with the first driving channel through a first lead, the flexible circuit board is connected with the first sensing channel through a second lead, the flexible circuit board is connected with the second driving channel through a third lead, and the flexible circuit board is connected with the second sensing channel through a fourth lead. The utility model discloses can solve prior art when folding, PET makes the drive channel that can folding position and the function of response passageway receive the problem of influence.

Description

Touch screen and mobile terminal

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a touch-sensitive screen and mobile terminal.

Background

The touch screen is an inductive liquid crystal display device capable of receiving input signals such as a touch head, and is the simplest, convenient and natural man-machine interaction mode at present. The touch screen is endowed with a brand-new appearance for multimedia, and is a brand-new attractive multimedia interaction device, and a plurality of mobile terminals such as mobile phones and tablet computers use the touch screen.

The touch screen generally includes a substrate made of PET (Polyethylene terephthalate, PET for short), a plurality of driving channels and a plurality of sensing channels are disposed on the substrate, the driving channels and the sensing channels are staggered to sense and transmit touch signals, and the driving channels and the sensing channels are implemented by Indium Tin Oxide (ITO). With the development of scientific technology and the continuous innovation of touch screen technology, people have higher and higher requirements on touch screens, and a touch screen with a folding function is one of the most promising directions.

In the related art, the whole surfaces of a driving channel and an induction channel of a touch screen with a folding function are mostly arranged on a substrate, the driving channel and the induction channel made of an ITO (indium tin oxide) material exist at a folding position, and because the folding resistance of PET is general, when the touch screen is folded, the PET enables the functions of the driving channel and the induction channel at the folding position to be influenced, and then the touch function of a product is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a touch-sensitive screen to solve prior art, when folding, PET makes the drive channel that can the folding position and the function of response passageway receive the problem of influence.

A touch screen comprising a substrate and a flexible circuit board:

the substrate is provided with a first induction area, a second induction area and a folding area, the folding area is located between the first induction area and the second induction area, the substrate is made of PET materials, and the substrate can be folded and bent along the folding area;

a plurality of first driving channels and a plurality of first sensing channels are arranged on the first sensing area, and the first driving channels and the first sensing channels are arranged in a staggered manner; a plurality of second driving channels and a plurality of second sensing channels are arranged on the second sensing area, and the second driving channels and the second sensing channels are arranged in a staggered mode;

the flexible circuit board through first wire with first drive channel connects, the flexible circuit board pass through the second wire with first response passageway is connected, first wire with the second wire is located on the first response region, the flexible circuit board pass through the third wire with the second drive channel is connected, the flexible circuit board pass through the fourth wire with the second response passageway is connected, the third wire with the fourth wire is located on the second response region, the flexible circuit board respectively with first response region with the second response region is bound together.

According to the utility model provides a touch-sensitive screen, the folding bending of folding region is followed to the base plate, and folding region is located between first response region and the second response region, can form two independent touch induction positions through setting up first response region and second response region, first response region and second response region are connected with same flexible circuit board through the wire respectively, realize touch signal's transmission and processing, need not to use a plurality of flexible circuit boards, and therefore, the cost is reduced, because there is not drive channel or response passageway in folding region, therefore, the PET material is chooseed for use to the base plate, can not influence drive channel and the function of response passageway when folding yet.

In addition, according to the utility model provides a touch-sensitive screen can also have following additional technical characterstic:

furthermore, a first binding region and a second binding region are arranged on the flexible circuit board, the first binding region is respectively bound with the first lead and the second lead, the first binding region is located in the first sensing region, the second binding region is respectively bound with the third lead and the fourth lead, and the second binding region is located in the second sensing region.

Further, a notch portion is arranged on the flexible circuit board and located between the first binding area and the second binding area.

Further, the notch portion is provided corresponding to the folded region.

Furthermore, a plurality of the first driving channels are arranged in parallel, a plurality of the first sensing channels are arranged in parallel, a plurality of the second driving channels are arranged in parallel, and a plurality of the second sensing channels are arranged in parallel.

Further, the first drive channel and the second drive channel are arranged in parallel.

Further, the first sensing channel and the second sensing channel are arranged in parallel.

Further, the width of the folding area is not less than 2.1 mm.

Another object of the present invention is to provide a mobile terminal using the above touch screen.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a touch panel according to a first embodiment of the present invention;

fig. 2 is a partial structural schematic diagram of fig. 1.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured 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. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a touch panel according to a first embodiment of the present invention includes a substrate 10 and a flexible circuit board 20.

The substrate 10 has a first sensing area 11, a second sensing area 12 and a folding area 13, the folding area 13 is located between the first sensing area 11 and the second sensing area 12, the substrate 10 is made of PET, and the substrate 10 can be folded and bent along the folding area 13. In particular, in order to ensure the bending effect, the width of the folding area 13 is preferably not less than 2.1 mm. In this embodiment, the width of the fold region 13 is 2.1 mm.

The first sensing area 11 is provided with a plurality of first driving channels 111 and a plurality of first sensing channels 112, and the first driving channels 111 and the first sensing channels 112 are arranged in a staggered manner. Specifically, the plurality of first driving channels 111 are disposed in parallel, and the plurality of first sensing channels 112 are disposed in parallel. Preferably, the first driving channel 111 is perpendicular to the first sensing channel 112.

The second sensing area 12 is provided with a plurality of second driving channels 121 and a plurality of second sensing channels 122, and the second driving channels 121 and the second sensing channels 122 are arranged in a staggered manner. Specifically, the plurality of second driving channels 121 are disposed in parallel, and the plurality of second sensing channels 122 are disposed in parallel. Preferably, the second driving channel 121 is disposed perpendicular to the second sensing channel 122.

The first driving channel 111, the first sensing channel 112, the second driving channel 121, and the second sensing channel 122 may be made of a metal mesh with good folding endurance and high cost, such as nano silver, or may be made of conventional Indium Tin Oxide (ITO) to reduce cost.

In this embodiment, the first driving channel 111 and the second driving channel 121 are disposed in parallel. The first sensing channel 112 and the second sensing channel 122 are arranged in parallel, so that the production operation of the product is facilitated.

The flexible circuit board 20 is connected to the first driving channel 111 through a first conducting wire 31, the flexible circuit board 20 is connected to the first sensing channel 112 through a second conducting wire 32, and the first conducting wire 31 and the second conducting wire 32 are disposed on the first sensing area 11. The first sensing area 11 is further provided with a first ground 35, i.e. GND.

The flexible circuit board 20 is connected to the second driving channel 121 through a third conducting wire 33, the flexible circuit board 20 is connected to the second sensing channel 122 through a fourth conducting wire 34, and the third conducting wire 33 and the fourth conducting wire 34 are disposed on the second sensing region 12. A second ground line 36, i.e., GND, is also provided on the second sensing region 12.

The first wire 31, the second wire 32, the third wire 33, the fourth wire 34, the first ground wire 35, and the second ground wire 36 may be made of a conductive material with good ductility but high cost, such as graphene, or may be made of a conventional conductive silver paste to reduce cost.

Specifically, the flexible circuit board 20 is respectively bound with the first sensing region 11 and the second sensing region 12. The transmission and processing of the induction signals in the two induction areas are realized through one flexible circuit board 20, a plurality of flexible circuit boards are not needed, the use number of the flexible circuit boards can be reduced, and the cost is reduced.

Specifically, a first bonding region 21 and a second bonding region 22 are disposed on the flexible circuit board 20, the first bonding region 21 is bonded to the first conductive line 31 and the second conductive line 32, the first bonding region 21 is located in the first sensing region 11, the second bonding region 22 is bonded to the third conductive line 33 and the fourth conductive line 34, and the second bonding region 22 is located in the second sensing region 12.

Optionally, a notch portion 23 is disposed on the flexible circuit board 20, and the notch portion 23 is located between the first binding region 21 and the second binding region 22. The provision of the notch portion 23 can facilitate the flexible circuit board 20 to be folded and bent along with the substrate 10, and specifically, the notch portion 23 is provided corresponding to the folding region 13.

According to the touch screen provided by the embodiment, the substrate 10 is folded and bent along the folding area 13, the folding area 13 is located between the first sensing area 11 and the second sensing area 12, two independent touch sensing positions can be formed by arranging the first sensing area 11 and the second sensing area 12, the first sensing area 11 and the second sensing area 12 are respectively connected with the same flexible circuit board 20 through wires, transmission and processing of touch signals are achieved, a plurality of flexible circuit boards are not needed, the cost is reduced, and no driving channel or sensing channel exists in the folding area 13, so that the substrate 10 is made of a PET material, and the functions of the driving channel and the sensing channel cannot be influenced when the substrate is folded.

Furthermore, a second embodiment of the present invention provides a mobile terminal, which at least includes the touch screen of the first embodiment, and the mobile terminal is, for example, a mobile phone or a tablet computer.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a touch-sensitive screen, includes base plate and flexible circuit board, its characterized in that:

2. The touch screen of claim 1, wherein a first bonding area and a second bonding area are disposed on the flexible circuit board, the first bonding area is bonded to the first conductive line and the second conductive line, respectively, and is located in the first sensing area, the second bonding area is bonded to the third conductive line and the fourth conductive line, respectively, and is located in the second sensing area.

3. The touch screen of claim 2, wherein the flexible circuit board is provided with a notch portion between the first and second bound regions.

4. The touch panel according to claim 3, wherein the notch portion is provided corresponding to the folding region.

5. The touch screen of claim 1, wherein a plurality of the first driving channels are arranged in parallel, a plurality of the first sensing channels are arranged in parallel, a plurality of the second driving channels are arranged in parallel, and a plurality of the second sensing channels are arranged in parallel.

6. The touch screen of claim 5, wherein the first drive channel and the second drive channel are arranged in parallel.

7. The touch screen of claim 5, wherein the first sensing channel and the second sensing channel are arranged in parallel.

8. The touch screen of claim 1, wherein the width of the fold area is not less than 2.1 mm.

9. A mobile terminal characterized by comprising a touch screen according to any one of claims 1 to 8.