CN207909099U - Touch screen and electronic device - Google Patents

Abstract

The utility model discloses a kind of touch screens, including substrate, cover board, touch chip and multiple cablings, multiple electrodes, the multiple electrode is set to the substrate, multiple cablings are arranged with the touch chip on the cover board, and the multiple cabling is electrically connected the touch chip and the multiple electrode.Since touch chip and multiple cablings to be set on the cover board, flexible circuit board is omitted, and then simplify the structure of the touch screen.The utility model additionally provides a kind of electronic device having the touch screen.

Description

Touch screen and electronic device

Technical field

The utility model is related to a kind of touch technology, more particularly to a kind of touch screen and the electronic device for having the touch screen.

Background technology

Touch screen has been widely used in various electronic products.Currently, usually touch chip and peripheral cell are integrated in soft Property wiring board, after the electrode on flexible circuit board and touch screen is bound, then fit on cover board.So so that the touch Complicatedization of screen.

Utility model content

In order to solve foregoing problems, the utility model provides a kind of touch screen that structure simplifies and has the touch screen Electronic device.

A kind of touch screen, including substrate, cover board, touch chip and multiple cablings, multiple electrodes, the multiple electrode are set to The substrate, the multiple cabling are arranged with the touch chip on the cover board, the touch chip and the multiple electricity Pole is electrically connected by the multiple cabling.

Further, the cover board is oppositely arranged with the substrate, and the touch chip is located at the cover board towards substrate Surface on.

Further, the touch chip includes first connecting portion, and the cover board includes the first binding area and the second binding Area, the multiple cabling include multiple first cablings, and section is bound every setting, Mei Ge with described second by the first binding area The first end of one cabling is electrically connected with the first connecting portion in first binding area, the second end of each first cabling It is electrically connected with corresponding electrode in second binding area.

Further, the touch chip includes second connecting portion, and the cover board further includes that third binding area and the 4th tie up Determine area, area is spaced sets for first binding area, second binding area, third binding area and the 4th binding It sets, the multiple cabling further includes the second cabling, and the first end of second cabling and the second connecting portion are described the Three binding area electrical connections, the second end of second cabling are set to the 4th binding area and are used to be electrically connected with a mainboard, with Realize that the touch chip is electrically connected with the mainboard.

Further, the multiple cabling is printed onto by elargol on the cover board.

Further, the cover board includes transparent region and connect the nontransparent region of setting, institute with the transparent region It states touch chip and the multiple first cabling may be contained within the nontransparent region.

Further, the touch screen further includes the multiple hard contacts for being formed in the cover board, each hard contact pair An end of the cabling should be formed in.

Further, the hard contact is formed by type metal line.

Further, the area of the hard contact close to the end of the touch chip of the cabling is less than far from described The area of the hard contact of the end of touch chip.

Further, the substrate is made of transparent material.

A kind of electronic device, which is characterized in that including touch screen as described above.

Touch screen and electronic device provided by the utility model, since touch chip and multiple cablings are set to the lid On plate, flexible circuit board is omitted, and then simplifies the structure of the touch screen, has saved the space of the touch screen, shortens The manufacturing cycle of the touch screen, reduces the manufacturing cost of the touch screen.In addition, due to by touch chip and it is multiple walk Line is set on the cover board so that the cabling will not flexural deformation, reduce the risk that is disturbed of signal, improve described touch Touch the production yield of screen.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the schematic diagram of electronic device.

Fig. 2 is a diagrammatic cross-section of the touch screen that one embodiment of the utility model provides.

Fig. 3 is the floor map of cover board and touch chip and cabling on cover board.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.

Referring to Fig. 1, being a kind of schematic diagram of electronic device 100 provided by the utility model.The electronic device 100 wraps Include touch screen 10.The electronic device 100 can be mobile phone, tablet computer, navigator, reader etc..It is appreciated that the electricity Sub-device 100 further includes other necessary or inessential structures, such as mainboard, and therefore not to repeat here.

Fig. 2 and Fig. 3 is please referred to, Fig. 2 is a diagrammatic cross-section of touch screen 10 provided by the utility model, and Fig. 3 is cover board 13 and the touch chip 15 on cover board 13 and multiple cablings 17 schematic diagram.The touch screen 10 includes substrate 11, cover board 13, touch chip 15 and multiple cablings 17, multiple electrodes 19.The multiple electrode 19 is set to the substrate 11, multiple cablings 17 It is arranged on the cover board 13 with the touch chip 15, the touch chip 15 is with the multiple electrode 19 by the multiple Cabling 17 is electrically connected.

In one embodiment, the substrate 11 is made of transparent material.The cover board 13 includes transparent region 131 And the nontransparent region 133 of setting is connect with the transparent region 131, the touch chip 15 and multiple cablings 17 may be contained within The nontransparent region 133.In present embodiment, the base material of the cover board 13 is made of transparent material, by it is described can In translucent material print one layer of light screening material form the nontransparent region 133, to the touch chip 15 and it is multiple walk Other peripheral cells such as line 17 are blocked, to improve the user experience.

The cover board 13 includes first surface 135 and the second surface 137 being oppositely arranged with the first surface 131.Institute Second surface 137 is stated to connect adjacent to the substrate 11.The touch chip 15 and multiple cablings 17 are set to the second surface 137。

Further, the nontransparent region 133 includes that area 1333, third binding are bound by the first binding area 1331, second Bind area 1337 in area 1335 and the 4th.First binding area 1331, second binding area 1333, the third bind area 1335 and it is described 4th binding area 1337 be mutually separated by setting.The first binding area 1331 and third binding area 1335 are adjacent The nearly touch chip 15 is arranged.

The touch chip 15 includes first connecting portion 151 and second connecting portion 153.In present embodiment, the touch-control Chip 15 is substantially square, and the first connecting portion 151 is set to the side of the touch chip 15 with the second connecting portion 153 Edge region；The quantity of the first connecting portion 151 is three, and the quantity of the second connecting portion 153 is one, and described first ties up The quantity for determining area 1331 corresponds to three, and each first binding area 1331 is disposed adjacent with a first connecting portion 151, and described the The quantity in three binding areas 1335 is one, and the third binding region 1335 is disposed adjacent with the second connecting portion 153；Each The first connecting portion 151 is all provided with multiple pins with the second connecting portion 153.The first connecting portion 151 be used for it is described Electrode 19 is electrically connected.The second connecting portion 153 with a mainboard (not shown) for connecting.

The multiple cabling 17 includes the first cabling 171 and the second cabling 173.The first end of each first cabling 171 It is electrically connected in first binding area 1331 with the first connecting portion 151, the second end of each first cabling 171 is set to institute It states the second binding area 1333 and is electrically connected with corresponding electrode 19.The first end of each second cabling 173 connects with described second Socket part 153 is electrically connected in third binding area 1335, and the second end of each second cabling 173 is located at the described 4th and binds area 1337 with a mainboard for being electrically connected, to realize that the touch chip 15 is electrically connected with the mainboard.

In present embodiment, the multiple first cabling 171 and second cabling 173 are printed onto the lid by elargol On the nontransparent region 133 of plate 13.It is appreciated that the quantity of second cabling 173 is not limited to two, second cabling 173 quantity is configured according to needs.

Further, the touch screen 10 further includes multiple hard contacts 18, and the hard contact 18 passes through type metal Line is formed on the cover board 13, and the end of each first cabling 171 forms a hard contact 18, each second cabling 173 End formed a hard contact 18.In first binding area 1331, the first end in each first cabling 171 and institute The junction for stating first connecting portion 151 forms hard contact 18, to reinforce first cabling 171 and the touch chip 15 Connection；It is described second binding area 1333, each first cabling 171 the second end formed hard contact 18, with facilitate into Row binding, wherein 18 area of hard contact of the second end of the first cabling 171 is more than 18 area of hard contact of first end； Area 1335 is bound in the third, gold is formed in the first end of each second cabling 173 and the junction of second connecting portion 153 Belong to contact 18, to reinforce the connection of second cabling 173 and the touch chip 15；Area 1335 is bound the described 4th, The second end of each second cabling 173 forms hard contact 18, to reinforce between second cabling 173 and the mainboard Connection.Wherein, the area of the hard contact 18 of the second end of the second cabling 173 is more than the face of the hard contact 18 of first end Product, and the area of the hard contact 18 more than the second end of the first cabling 171.

In present embodiment, multiple electrodes 19 are in two-dimensional array on the substrate 11.For capacitive touch screen, Each electrode 19 is a capacitance sensor, and the capacitance of capacitance sensor is sent out when the corresponding position of the touch screen 10 is touched Changing.Each electrode 19 can be electrically connected by extraction wire (not shown) with corresponding first cabling 171, realize electrode 19 It is electrically connected with the touch chip 15.

Touch screen 10 and electronic device 100 provided by the utility model, due to by touch chip 15, multiple first cablings 171, the second cabling 173 is set on the cover board 13, and flexible circuit board is omitted, and then simplifies the knot of the touch screen 10 Structure has saved the space in the touch screen 10, shortens the manufacturing cycle of the touch screen 10, reduces the touch screen 10 Manufacturing cost.In addition, since touch chip 15 and multiple cablings 17 being set on the cover board 13 so that cabling 17 will not Flexural deformation reduces the risk that signal is disturbed, improves the production yield of the touch screen 10.

It is made, can also be made of light-proof material of transparent material it is appreciated that not limiting the substrate 11.

It is appreciated that not limiting the touch chip 15 and the multiple cabling 17 may be contained within the nontransparent region 133, the touch chip 15 can be set to the transparent region 131, and the multiple cabling 17 can be set to described transparent Region 131.

It is appreciated that the cover board 13 can be omitted nontransparent region 133.

Above disclosures are merely preferred embodiments of the utility model, with this utility model cannot be limited certainly Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.

Claims (10)

1. a kind of touch screen, which is characterized in that described more including substrate, cover board, touch chip and multiple cablings, multiple electrodes A electrode is set to the substrate, and the multiple cabling and the touch chip are arranged on the cover board, the touch chip with The multiple electrode is electrically connected by the multiple cabling.

2. touch screen as described in claim 1, which is characterized in that the cover board is oppositely arranged with the substrate, the touch-control Chip is located at the cover board towards on the surface of substrate.

3. touch screen as described in claim 1, which is characterized in that the touch chip includes first connecting portion, the cover board Including first binding area and second binding area, the multiple cabling includes multiple first cablings, it is described first binding area with it is described Second binding section is electrically connected with the first connecting portion in first binding area every setting, the first end of each first cabling It connects, the second end of each first cabling is electrically connected in second binding area with corresponding electrode.

4. touch screen as claimed in claim 3, which is characterized in that the touch chip includes second connecting portion, the cover board Further include third binding area and the 4th binding area, first binding area, second binding area, the third bind Qu Jisuo The 4th binding spaced setting in area is stated, the touch screen further includes the second cabling, the first end of second cabling and institute It states second connecting portion to be electrically connected in third binding area, the second end of second cabling is set to the described 4th and binds area's use It is electrically connected in a mainboard.

5. the touch screen as described in claim 1-4 any one, which is characterized in that the multiple cabling is printed onto by elargol On the cover board.

6. the touch screen as described in claim 1-4 any one, which is characterized in that the cover board include transparent region and with institute The nontransparent region of transparent region connection setting is stated, the touch chip and the multiple first cabling may be contained within described non- Area pellucida domain.

7. touch screen according to any one of claims 1-4, which is characterized in that the touch screen further includes being formed in the lid Multiple hard contacts of plate, each hard contact are correspondingly formed in an end of the cabling.

8. touch screen as claimed in claim 7, which is characterized in that the hard contact is formed by type metal line.

9. touch screen as claimed in claim 7, which is characterized in that the gold close to the end of the touch chip of the cabling The area of category contact is less than the area of the hard contact of the end far from the touch chip.

10. a kind of electronic device, which is characterized in that include the touch screen as described in claim 1 to 9 any one.