CN104850286A

CN104850286A - Electronic equipment and single layer multipoint mutual capacitance touch screen thereof

Info

Publication number: CN104850286A
Application number: CN201510070228.2A
Authority: CN
Inventors: 侯卫京; 刘辉; 陈超
Original assignee: Dun Tai Electronics Co Ltd
Current assignee: FocalTech Systems Ltd
Priority date: 2015-02-10
Filing date: 2015-02-10
Publication date: 2015-08-19
Anticipated expiration: 2035-02-10
Also published as: CN104850286B

Abstract

The invention discloses electronic equipment and a single layer multipoint mutual capacitance touch screen thereof. The single layer multipoint mutual capacitance touch screen comprises a plurality of induction electrode groups, a plurality of binding pads arranged along a first direction, a plurality of first leads, and a plurality of second leads. Each induction electrode group comprises a first electrode unit and a second electrode unit which extend along a second direction. In the second direction, the first electrode unit comprises a plurality of electrodes. The second electrode unit at least comprises one second electrode. The first electrode and the second electrode of the induction electrode group are respectively connected with corresponding binding pads. The first leads are used for connecting the first electrodes to corresponding binding pads. The second leads are used for connecting the second electrodes to corresponding binding pads. In the same electrode unit, parts of any two adjacent first electrodes are arranged oppositely in the first direction. Through adoption of the electronic equipment and the single layer multipoint mutual capacitance touch screen thereof, the quantities of wiring and binding pads are reduced, and the width of a wiring dead zone is decreased, furthermore, the touch control accuracy is improved, and the manufacture cost is lowered.

Description

A kind of electronic equipment and individual layer multiple spot mutual tolerance formula touch-screen thereof

Technical field

The present invention relates to technical field of touch control, more particularly, relate to a kind of electronic equipment and individual layer multiple spot mutual tolerance formula touch-screen thereof.

Background technology

At present, capacitive touch screen, as the vitals of man-machine interaction, has been widely used in the electronic product such as mobile phone, panel computer.Wherein, the capacitive touch screen of individual layer, owing to only needing to make one deck electrode, cost is lower, and cost performance is higher, therefore, receives the extensive concern of people, has become the important development direction of capacitive touch screen.

The electrode pattern of existing a kind of individual layer mutual tolerance formula touch-screen, as shown in Figure 1, comprise first electrode X1 ~ X4 of 4 parallel arranged in the X direction, each first electrode and 15 second electrode Y1 ~ Y15 be arranged in order along Y-direction are coupled, to form multiple capacitive sensing node 12.With corresponding, each first electrode bind that pad 13 is corresponding to be connected by corresponding first lead-in wire 14, each second electrode passes through correspondence second and goes between and 15 bind that pad 13 is corresponding to be connected with corresponding.Described binding pad 13 is connected with FPC (flexible circuit board, figure does not show).FPC is connected with touch chip (not shown), is determined the touching position information of user by the capacitance variations touching chip testing capacitive sensing node 12.Binding pad 13 is arranged in binding district 11.It 15 is the cabling of individual layer mutual tolerance formula touch-screen that first lead-in wire 14 and second goes between.

The individual layer mutual tolerance formula touch-screen of corresponding setting size, the electrode pattern of structure shown in Fig. 1 causes the width of the cabling blind area L0 of individual layer mutual tolerance formula touch-screen comparatively large, and then makes touch accuracy poor; Meanwhile, the electrode pattern of structure shown in Fig. 1 causes the quantity of the binding pad of individual layer mutual tolerance formula touch-screen and cabling more, causes cost of manufacture larger.

Summary of the invention

For solving the problem, the invention provides a kind of electronic equipment and individual layer multiple spot mutual tolerance formula touch-screen thereof, improve the touch accuracy of individual layer multiple spot mutual tolerance formula touch-screen, and reduce cost of manufacture.

For achieving the above object, the invention provides a kind of individual layer multiple spot mutual tolerance formula touch-screen, this individual layer multiple spot mutual tolerance formula touch-screen comprises:

Along first direction arrangement the 1st induction electrode group to m induction electrode group, wherein, m be greater than 1 positive integer, each induction electrode group comprises the first electrode unit extended along second direction and the second electrode unit extended along second direction, described first electrode unit and described second electrode unit are oppositely arranged in said first direction, described second direction is perpendicular to described first direction, in this second direction, described first electrode unit comprises the 1st the first electrode to the n-th first electrode, n be greater than 1 positive integer, described second electrode unit comprises multiple second electrode,

Along multiple binding pads of first direction arrangement, described multiple binding pad is arranged on the first end of m induction electrode group, and the first electrode of described m induction electrode group and the second electrode are corresponding with corresponding binding pad respectively to be connected;

Many first lead-in wires, described first lead-in wire is for connecting described first electrode to binding pad accordingly;

Many second lead-in wires, described second lead-in wire is for connecting described second electrode to binding pad accordingly;

Wherein, the one in described first electrode and described second electrode is used as touch-sensing electrode, and another one is used as to touch drive electrode; In same first electrode unit, the first adjacent electrode in a first direction part is oppositely arranged.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in this second direction, described second electrode unit comprises the 1st the second electrode to kth the second electrode, k be greater than 1 positive integer;

For i-th the second electrode, i is the positive integer being less than k, and in said first direction, described i-th the second electrode and i-th the first electrode part are oppositely arranged, and are oppositely arranged with the i-th+1 the first electrode part.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in same second electrode unit, the second adjacent at least partly electrode is oppositely arranged in said first direction.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in same induction electrode group, in said first direction:

K=n-1, kth the second electrode and (n-1)th the first electrode part are oppositely arranged, and are oppositely arranged with the n-th the first electrode part;

Or k=n, whole kth the second electrode and part the n-th the first electrode be oppositely arranged.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, described first end is one end of the 1st the first electrode near m induction electrode group.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, any first lead-in wire and first goes between and does not intersect, and any second lead-in wire and second goes between and do not intersect, and any first lead-in wire and any second goes between and do not intersect.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, m is even number, in two induction electrode groups of arbitrary neighborhood: the first electrode unit is disposed adjacent with the first electrode unit, or second electrode unit be disposed adjacent with the second electrode unit, adjacent induction electrode group be specular arrangement.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in two that are disposed adjacent with the first electrode unit at the first electrode unit adjacent induction electrode groups:

Last first electrode of first electrode unit of these two adjacent induction electrode groups adopts same first lead-in wire to connect same binding pad, and other first electrode of the first electrode unit of these two adjacent induction electrode groups all adopts the first independent lead-in wire to connect the binding pad of correspondence;

All first lead-in wires of these two adjacent induction electrode groups are all be connected to corresponding binding pad by corresponding first electrode along the opposite direction of described second direction.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in two that are disposed adjacent with the second electrode unit at the second electrode unit adjacent induction electrode groups:

Other second electrode of second electrode unit of these two adjacent induction electrode groups all adopts the second independent lead-in wire to connect corresponding binding pad;

All second lead-in wires of these two adjacent induction electrode groups are all be connected to corresponding binding pad by corresponding second electrode along the opposite direction of described second direction.

First electrode of two the first electrode units is all divided into Part I and Part II in this second direction;

In this second direction, last first electrode of two Part I adopts same first lead-in wire to be connected to corresponding binding pad, other first electrodes of two Part I all adopts the first independent lead-in wire to be connected to corresponding binding pad, and the first lead-in wire that the first electrode pair of Part I is answered is all be connected to corresponding binding pad by the first electrode of correspondence along the opposite direction of described second direction;

In this second direction, the most previous first electrode of two Part II adopts same first lead-in wire to be connected to corresponding binding pad, other first electrode of two Part II all adopts the first independent lead-in wire to be connected to corresponding binding pad, the first lead-in wire that first electrode pair of Part II is answered is all the via holes being connected to the second end being arranged on m induction electrode group by the first electrode of correspondence along described second direction, and pad by being connected to corresponding binding with the wire jumper that described via hole connects, described second end and described first end are oppositely arranged, each wire jumper connects different binding pads.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, the first lead-in wire that the first electrode pair of two Part I is answered all is connected to the corresponding via hole being arranged on described first end, and by being connected with corresponding binding pad with the wire jumper that this via hole connects.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in described two adjacent induction electrode groups, bind with corresponding the first electrode padding and be connected with via hole: along second direction for by wire jumper, first lead-in wire of two the first electrodes that location order is identical connects corresponding binding pad by same wire jumper, is electrically connected between wire jumper with corresponding lead-in wire by via hole.

Second electrode of two the second electrode units is all divided into Part I and Part II in this second direction;

Other second electrodes of two Part I all adopts the second independent lead-in wire to be connected to corresponding binding pad, and the second lead-in wire that the second electrode pair of Part I is answered is all be connected to corresponding binding pad by the second electrode of correspondence along the opposite direction of described second direction;

Other second electrode of two Part II all adopts the second independent lead-in wire to be connected to corresponding binding pad, the second lead-in wire that second electrode pair of Part II is answered is all the via holes being connected to the second end being arranged on m induction electrode group by the second electrode of correspondence along described second direction, and pad by being connected to corresponding binding with the wire jumper that described via hole connects, described second end and described first end are oppositely arranged, and each wire jumper connects different binding pads.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, the second lead-in wire that the second electrode pair of two Part I is answered all is connected to the corresponding via hole being arranged on described first end, and by being connected with corresponding binding pad with the wire jumper that this via hole connects.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in described two adjacent induction electrode groups, bind with corresponding the second electrode padding and be connected with via hole for by wire jumper: the same wire jumper of the second Electrode connection of odd number, the same wire jumper of the second Electrode connection of even number.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, the one defined in the first electrode unit and the second electrode unit is electrode of first kind unit, and another one is second kind electrode unit;

The lead-in wire of each electrode of all electrode of first kind unit is all connected to corresponding binding pad along the opposite direction of described second direction;

The lead-in wire of each electrode of all second kind electrode unit is all connected to the via hole of the second end being arranged on m induction electrode group along described second direction, and pad by being connected to corresponding binding with the wire jumper that described via hole connects, described second end and described first end are oppositely arranged, and each wire jumper connects different binding pads.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, the lead-in wire of each electrode of described electrode of first kind unit is connected to the via hole being arranged on described first end, and by being connected with corresponding binding pad with the wire jumper that this via hole connects.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, described first electrode comprises: the first comb electrodes be partly oppositely arranged in a first direction and the second comb electrodes;

Described first comb electrodes and described second comb electrodes include multiple first branch electrodes; First branch electrodes of described first comb electrodes is along first direction, and the first branch electrodes of described second comb electrodes is along the opposite direction of first direction; Described first comb electrodes is electrically connected with described second comb electrodes; For the part that described first comb electrodes is relative in this second direction with described second comb electrodes: the first branch electrodes of the first comb electrodes and the first branch electrodes one_to_one corresponding of the second comb electrodes.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, in same first electrode unit: the first comb electrodes for the 1st the first electrode is different from the second comb electrodes length in a second direction, the first comb electrodes of the n-th the first electrodes is different from the second comb electrodes length in a second direction; First comb electrodes of other the first electrode is identical with the second comb electrodes length in a second direction.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, the second electrode comprises multiple second branch electrodes, and described second branch electrodes is arranged between described first comb electrodes and described second comb electrodes;

Described second branch electrodes comprises: the first branch units extended in the other direction along described first direction and the second branch units extended along described first direction;

Described first branch units, between two the first branch electrodes of the first comb electrodes of correspondence, is coupled with corresponding two the first branch electrodes;

Described second branch units, between two the first branch electrodes of the second comb electrodes of correspondence, is coupled with corresponding two the first branch electrodes.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, for the 1st the first electrode, in this second direction, first the first branch electrodes of its first comb electrodes is electrically connected with first the first branch electrodes of its second comb electrodes.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, for the n-th the first electrodes: in this second direction, last first branch electrodes of its first comb electrodes is electrically connected with last first branch electrodes of its second comb electrodes;

For p the first electrode: first branch electrodes of its first comb electrodes is electrically connected with first branch electrodes of its second comb electrodes, two the first branch electrodes of electrical connection are oppositely arranged in said first direction, and p is the positive integer being greater than 1 and being less than n.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, for q the first electrode: first branch electrodes of its first comb electrodes is electrically connected with first branch electrodes of its second comb electrodes, two the first branch electrodes of electrical connection shift to install in said first direction, and q is the positive integer being greater than 1 and being not more than n.

Preferably, in above-mentioned individual layer multiple spot mutual tolerance formula touch-screen, the structure of each induction electrode group is identical, the arrangement in array between each induction electrode group.

Present invention also offers a kind of electronic equipment, this electronic equipment comprises the individual layer multiple spot mutual tolerance formula touch-screen described in above-mentioned any one.

Preferably, in above-mentioned electronic equipment, described electronic equipment comprises FPC and touch chip further, and described touch chip is electrically connected with described individual layer multiple spot mutual tolerance formula touch-screen by described FPC, wherein, described FPC with described multiple bind to pad be connected.

Preferably, described electronic equipment comprises touch chip, and described touch chip comprises multiple pin, carries out Signal transmissions, for each induction electrode group by described multiple pin and each induction electrode group:

The different pins of touch chip described in each first Electrode connection;

Along second direction, the same pin of touch chip described in the second Electrode connection being positioned at odd positions in second electrode unit, be positioned at the same pin of touch chip described in the second Electrode connection that even bit puts in second electrode unit, and the pin being positioned at the touch chip of the second Electrode connection of odd positions is different from the pin of touch chip of the second Electrode connection being positioned at even number position.

Preferably, for different induction electrode groups:

Along second direction, the same pin of the first Electrode connection touch chip that location order is identical in each first electrode unit, the different pins of the second Electrode connection touch chip that location order is identical in each second electrode unit.

Preferably, the different pins of the second Electrode connection touch chip in different induction electrode groups are belonged to.

Known by foregoing description, individual layer multiple spot mutual tolerance formula touch-screen provided by the invention comprises: along first direction arrangement the 1st induction electrode group to m induction electrode group; Wherein, m be greater than 1 positive integer; Each induction electrode group comprises the first electrode unit extended along second direction and the second electrode unit extended along second direction; Described first electrode unit and described second electrode unit are oppositely arranged in said first direction; Described second direction is perpendicular to described first direction; In this second direction, described first electrode unit comprises the 1st the first electrode to the n-th first electrode; Wherein, n be greater than 1 positive integer; Described second electrode unit at least comprises second electrode; Along multiple binding pads of first direction arrangement, described multiple binding pad is arranged on the first end of m induction electrode group, and the first electrode of described m induction electrode group and the second electrode are corresponding with corresponding binding pad respectively to be connected; Many first lead-in wires, described first lead-in wire is for connecting described first electrode to binding pad accordingly; Many second lead-in wires, described second lead-in wire is for connecting described second electrode to binding pad accordingly; Wherein, the one in described first electrode and described second electrode is used as touch-sensing electrode, and another one is used as to touch drive electrode; In same first electrode unit, two the first electrodes of arbitrary neighborhood are partly oppositely arranged in a first direction.

Two first electrodes adjacent due to same first electrode unit are partly oppositely arranged in said first direction, like this in two adjacent first electrodes of same first electrode unit: the two part not relative in a first direction all can form sense node with the second corresponding electrode, simultaneously, relative part also can form sense node with the second corresponding electrode, thus add the quantity of sense node, improve touch accuracy.The present invention is by arranging the first electrode and the first electrode counterpart assigns to add sense node number, the number of the first electrode and the second electrode can be reduced, while reducing cabling and binding the quantity padded, the width reducing cabling blind area, improve touch accuracy, and reduce cost of manufacture.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.

Fig. 1 is the topological structure schematic diagram of a kind of individual layer mutual tolerance formula touch-screen common in prior art;

The topological structure schematic diagram of a kind of individual layer multiple spot mutual tolerance formula touch-screen that Fig. 2 provides for the embodiment of the present application; The topological structure schematic diagram of the another kind of individual layer multiple spot mutual tolerance formula touch-screen that Fig. 3 provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 4 a provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 4 b provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 4 c provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 4 d provides for the embodiment of the present application;

Fig. 5 a is the concrete structure schematic diagram of the better embodiment of an induction electrode group of the multiple spot of individual layer shown in Fig. 2 mutual tolerance formula touch-screen;

Fig. 5 b is the concrete structure schematic diagram of the better embodiment of each induction electrode group of the multiple spot of individual layer shown in Fig. 2 mutual tolerance formula touch-screen;

The concrete structure schematic diagram of the better embodiment of each induction electrode group of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 5 c provides for the embodiment of the present application;

Fig. 6 a is the concrete structure schematic diagram of the better embodiment of an induction electrode group of the multiple spot of individual layer shown in Fig. 3 mutual tolerance formula touch-screen;

Fig. 6 b is the concrete structure schematic diagram of the better embodiment of each induction electrode group of the multiple spot of individual layer shown in Fig. 3 mutual tolerance formula touch-screen;

The concrete structure schematic diagram of the better embodiment of each induction electrode group of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 6 c provides for the embodiment of the present application;

Fig. 7 is a kind of topological structure schematic diagram of existing individual layer multiple spot mutual tolerance formula touch-screen;

Fig. 8 is the topological structure schematic diagram of another kind of existing individual layer multiple spot mutual tolerance formula touch-screen;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 9 provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Figure 10 provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Figure 11 provides for the embodiment of the present application;

The topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Figure 12 provides for the embodiment of the present application;

The structural representation of a kind of electronic equipment that Figure 13 provides for the embodiment of the present application.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.

It should be noted that, the word " multiple " in following contents is for comprising the meaning of two and two or more.

The embodiment of the present application provides a kind of individual layer multiple spot mutual tolerance formula touch-screen, with reference to figure 2, the topological structure schematic diagram of a kind of individual layer multiple spot mutual tolerance formula touch-screen that Fig. 2 provides for the embodiment of the present application, this individual layer multiple spot mutual tolerance formula touch-screen comprises: multiple induction electrode group 27, multiple binding pad 23, first lead-in wire 26 and the second lead-in wire 25.

Multiple induction electrode group 27 comprises: the 1st the induction electrode group 27 arranged along first direction (X-direction) is to m induction electrode group 27.Wherein, m be greater than 1 positive integer; Be described for m=4 in Fig. 2 illustrated embodiment, show the 1st induction electrode group 27-the 4th induction electrode group 27.

Each induction electrode group 27 comprises the first electrode unit 21 extended along second direction (Y direction) and the second electrode unit 22 extended along second direction.First electrode unit 21 and the second electrode unit 22 are oppositely arranged in a first direction, to form capacitive sensing node 24,28, the capacitance variations of testing each capacitive sensing node 24 by touch chip (not shown) determines the touching position information of user.Second direction is perpendicular to first direction.

Along second direction, the first electrode unit 21 comprises the 1st the first electrode to the n-th first electrode.Wherein, n be greater than 1 positive integer, be described for n=7 in Fig. 2 illustrated embodiment, show the 1st the first electrode-7 the first electrodes.Along second direction, the second electrode unit 22 comprises multiple second electrode.

Multiple binding pad 23 is along first direction arrangement, and multiple binding pads 23 are arranged on the first end of m induction electrode group 27, and the first electrode of m induction electrode group 27 and the second electrode are corresponding with corresponding binding pad 23 respectively to be connected.First end is one end of the 1st the first electrode near m induction electrode group 27, and namely in Fig. 2, with individual layer multiple spot mutual tolerance formula touch-screen upper end for first end, lower end is the second end, and the line direction of first end to the second end is second direction.

First lead-in wire 26 is for connecting the first electrode to corresponding binding pad 23; Second lead-in wire 25 is for connecting the second electrode to corresponding binding pad 23.

Wherein, the one in the first electrode and the second electrode is used as touch-sensing electrode, and another one is used as to touch drive electrode.In same first electrode unit 21, the first adjacent electrode in a first direction part is oppositely arranged.

Due in a first direction, two the first electrode part that same first electrode unit 21 is adjacent are oppositely arranged, like this in two adjacent first electrodes of same first electrode unit 21: the two part not relative in a first direction all can form capacitive sensing node 24 with the second corresponding electrode respectively, this capacitive sensing node 24 includes the coupling capacitance of single first electrode and the second electrode, when touching in this region, single electric capacity changes; Simultaneously, the two part relative in a first direction also can form capacitive sensing node 28 with the second corresponding electrode, this capacitive sensing node 28 includes the compound coupling capacitance of adjacent two the first electrodes and same second electrode, when touch occurs in this region, two electric capacity change simultaneously, thus can to distinguish touch location be in capacitive sensing node 24 region or capacitive sensing node 28 region, therefore this technology is when electrode physical size is identical, add quantity and the type of capacitive sensing node, improve touch accuracy.

The present invention is by arranging the first electrode and the first electrode has the number that counterpart assigns to add capacitive sensing node, the number of the first electrode and the second electrode can be reduced, the quantity reducing cabling and binding pad 23, reduce cabling blind area width while improve touch accuracy, and reduce cost of manufacture.

In Fig. 2, in a second direction, the second electrode unit 22 comprises: the 1st the second electrode to kth the second electrode, k be greater than 1 positive integer.For i-th the second electrode, i is the positive integer being less than k, and in a first direction, i-th the second electrode and i-th the first electrode part are oppositely arranged, and are oppositely arranged with the i-th+1 the first electrode part.K=n-1, kth the second electrode and (n-1)th the first electrode part are oppositely arranged, and are oppositely arranged with the n-th the first electrode part.

For the individual layer multiple spot mutual tolerance formula touch-screen that length is 15Pitch (pitch), if adopt Fig. 1 illustrated embodiment, each second electrode length is 1Pitch, there are in an induction electrode group 1 the first electrode and 15 the second electrodes, form 15 capacitive sensing nodes 12, need 16 cablings (1 bar the first lead-in wire 14,15 second lead-in wires 15).For all four induction electrode groups: form 60 capacitive sensing nodes 12 altogether, need 64 cablings.Defining length in the application is size in second direction.Wherein, pitch is the length value of a setting.

And adopt Fig. 2 illustrated embodiment, setting second electrode length is 2.5Pitch, the length of the 1st the first electrode and the 7th the first electrode is 1.5Pitch, the length of other the first electrode is 3Pitch, and the length of part relative between in a first direction two adjacent the first electrodes is 0.5Pitch.Now, total length is still 15Pitch.There are in an induction electrode group 27 seven the first electrodes and 6 the second electrodes, form 18 capacitive sensing nodes, need 13 cablings (7 bar the first lead-in wire 26,6 second lead-in wires 25).For all four induction electrode groups 27: form 72 sense node 24 altogether, need 52 cablings.Visible, relative to the existing structure shown in Fig. 1, embodiment illustrated in fig. 2 while increase capacitive sensing number of nodes, reduce the quantity of cabling, and then reduce the binding quantity of pad 23 and the width of cabling blind area L.Because this reducing cost, and improve touch accuracy.Width is the size on first direction.For the reduction of cabling blind area L width, more induction electrode group 27 can be set in the individual layer multiple spot mutual tolerance formula touch-screen of setting width, improve touch accuracy further.In other words, replace arranging more induction electrode group 27, the width of the FPC fitted with the binding pad 23 of the multiple spot of individual layer shown in Fig. 2 mutual tolerance formula touch-screen then can correspondingly reduce, thus save the manufacturing cost of FPC, correspondingly, the cost comprising the electronic equipment 131 (seeing below Figure 13) of described individual layer multiple spot mutual tolerance formula touch-screen and FPC is lower.

It should be noted that, the arrangement in specular between each induction electrode group 27 in above-mentioned Fig. 2, so, is not limited to the arrangement in specular between described each induction electrode group 27, the structure that also can be each induction electrode group 27 is identical, the arrangement in array each other.Preferably, between adjacent induction electrode group 27, the lead-in wire in region is the lead-in wire of same type, that is, between adjacent induction electrode group 27 region lead-in wire can not existing first lead-in wire 26, have again the second lead-in wire 25, thus reduce coupled interference.

With reference to the topological structure schematic diagram of the another kind of individual layer multiple spot mutual tolerance formula touch-screen that figure 3, Fig. 3 provides for the embodiment of the present application, in the multiple spot of individual layer shown in Fig. 3 mutual tolerance formula touch-screen, there are four induction electrode groups 27, i.e. m=4, the first electrode unit 21 has 6 the first electrodes, i.e. n=6.Now, k=n, whole kth the second electrode and part the n-th the first electrode be oppositely arranged.In same second electrode unit 22, the second adjacent at least partly electrode in a first direction part is oppositely arranged.When second electrode unit in a second direction last second electrode length is shorter, it can not be oppositely arranged in a first direction with previous second electrode, as shown in Figure 3.

As seen from Figure 3, except forming the compound coupling capacitance 28 of all independent first electrodes of Fig. 2 and the second electrode coupling electric capacity 24, the first adjacent electrode and same second electrode, yet forms both the compound coupling capacitance 29 of the second adjacent electrode and same first electrode, therefore, under the condition remained unchanged at electrode physical size, quantity and the type of capacitive sensing node increase further.

Adopt Fig. 3 mode, in an induction electrode group 27: the length setting first the first electrode and last the first electrode is 1.5Pitch, other first electrode length is 3.5Pitch, the length that on first direction, two adjacent first electrode are relative is 0.5Pitch, and to set last second electrode length be 0.5Pitch, other second electrode length is 3Pitch, in a first direction, the length of the part that adjacent two the second electrodes are relative is 0.5Pitch, and the total length of individual layer multiple spot mutual tolerance formula touch-screen is still 15Pitch.There are in an induction electrode group 27 6 the first electrodes and 6 the second electrodes, form 20 sense node, need 12 cablings (6 bar the first lead-in wire 26,6 second lead-in wires 25).For all four induction electrode groups 27: form 80 capacitive sensing nodes altogether, need 48 cablings.Equally, relative to the existing structure shown in Fig. 1, embodiment illustrated in fig. 3 while increase capacitive sensing number of nodes, reduce the quantity of the first lead-in wire 26, second lead-in wire 25, and then reduce the binding quantity of pad 23 and the width of cabling blind area L.Because this reducing cost, and improve touch accuracy.

In a first direction, the length of adjacent two the first electrode opposite segments and the length span of adjacent two the second electrode opposite segments can be set to the arbitrary value in interval (0Pitch, 1.5Pitch) according to size requirements.

In the embodiment of the present application, any first lead-in wire 26 and first go between and 26 not to intersect, and any second goes between 25 and second goes between and 25 not intersect, and any first goes between 26 and any second goes between and 25 not intersect.Go between to make the first lead-in wire 26 and second and 25 can to arrange with layer, reduce manufacture craft difficulty and screen body thickness.

Preferably, setting m is even number, and in two induction electrode groups 27 of arbitrary neighborhood: the first electrode unit 21 is disposed adjacent with the first electrode unit 21, or the second electrode unit 22 is disposed adjacent with the second electrode unit 22.Wherein, adjacent induction electrode group 27 is arranged in specular, thus improves the linearity and the precision of touch-sensing.

In the above-described embodiment, in two that are disposed adjacent at the first electrode unit 21 and the first electrode unit 21 adjacent induction electrode groups 27: last first electrode of the first electrode unit 21 of these two adjacent induction electrode groups 27 adopts same first to go between 26 to be connected same binding pad 23, other first electrode of the first electrode unit 21 of these two adjacent induction electrode groups 27 all adopts the first independent lead-in wire 26 to connect corresponding binding pad 23; All first lead-in wires 26 of these two adjacent induction electrode groups 27 are all be connected to corresponding binding pad 23 by corresponding first electrode along the opposite direction of second direction.

In the induction electrode group 27 that the second electrode unit 22 is adjacent with two that the second electrode unit 22 is disposed adjacent: the second electrode of the second electrode unit 22 of these two adjacent induction electrode groups 27 all adopts independent second to go between 25 to connect corresponding binding pad 23; All second lead-in wires 25 of these two adjacent induction electrode groups 27 are all be connected to corresponding binding pad 23 by corresponding second electrode along the opposite direction of second direction.

The width of cabling blind area can also be reduced by wire jumper and via hole further, improve touch accuracy further.

In two that are disposed adjacent with the first electrode unit 21 at the first electrode unit 21 adjacent induction electrode groups 27:

First electrode of two the first electrode units 21 is all divided into Part I and Part II in a second direction.If n is even number, Part I is identical with the number of the first electrode of Part II.If n is odd number, Part I first electrode fewer than Part II, so that reduce cabling quantity.

In a second direction, last first electrode of two Part I adopts same first lead-in wire 26 to be connected to corresponding binding pad 23, can reduce number of leads further, and there will not be cross-cutting issue between lead-in wire.Other first electrodes of two Part I all adopts the first independent lead-in wire 26 to be connected to corresponding binding pad 23, and the first lead-in wire 26 that the first electrode pair of Part I is answered is all be connected to corresponding binding pad 23 by the first electrode of correspondence along the opposite direction of second direction.

In a second direction, the most previous first electrode of two Part II adopts same first lead-in wire to be connected to corresponding binding pad 23, can reduce number of leads further, and there will not be cross-cutting issue between lead-in wire.Other first electrode of two Part II all adopts the first independent lead-in wire 26 to be connected to corresponding binding pad 23, the first lead-in wire 26 that first electrode pair of Part II is answered is all the via holes being connected to the second end being arranged on m induction electrode group 27 by the first electrode of correspondence along second direction, and correspondingly bind pad 23 by being connected to the wire jumper that via hole connects, second end and first end are oppositely arranged, and each wire jumper connects different binding pads 23.

In two that are disposed adjacent with the second electrode unit 22 at the second electrode unit 22 adjacent induction electrode groups 27:

Second electrode of two the second electrode units 22 is all divided into Part I and Part II in a second direction.If k is even number, Part I is identical with the number of the second electrode of Part II.If k is odd number, Part I second electrode fewer than Part II.

Second electrode of two Part I all adopts the second independent lead-in wire 25 to be connected to corresponding binding pad 23, and the second lead-in wire 25 that the second electrode pair of Part I is answered is all be connected to corresponding binding pad 23 by the second electrode of correspondence along the opposite direction of second direction.

Second electrode of two Part II all adopts the second independent lead-in wire 25 to be connected to corresponding binding pad 23, the second lead-in wire 25 that second electrode pair of Part II is answered is all the via holes being connected to the second end being arranged on m induction electrode group 27 by the second electrode of correspondence along second direction, and correspondingly bind pad 23 by being connected to the wire jumper that via hole connects, second end and first end are oppositely arranged, and each wire jumper connects different binding pads 23.

In two adjacent induction electrode groups 27, the first electrode for two Part II: the first lead-in wire 26 of two relative in a first direction the first electrodes connects corresponding binding pad 23 by same wire jumper, is electrically connected between wire jumper with corresponding lead-in wire by via hole.In two adjacent induction electrode groups 27, the second electrode for the Part II of same second electrode unit 22: the same wire jumper of the second Electrode connection of odd number, the same wire jumper of the second Electrode connection of even number.Like this, while can guaranteeing to carry out multi-point touch detection, reduce the quantity of wire jumper, reduce cost of manufacture.

It should be noted that, the arrangement in specular between each induction electrode group 27 in above-mentioned Fig. 3, so, is not limited to the arrangement in specular between described each induction electrode group 27, the structure that also can be each induction electrode group 27 is identical, the arrangement in array each other.Preferably, between adjacent induction electrode group 27, the lead-in wire in region is the lead-in wire of same type, that is, between adjacent induction electrode group 27 region lead-in wire can not existing first lead-in wire 26, have again the second lead-in wire 25, thus reduce coupled interference.

With reference to the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that figure 4a, Fig. 4 a provides for the embodiment of the present application.Fig. 4 a illustrated embodiment reduces the width of cabling blind area further based on the mode of above-mentioned wire jumper and via hole.Individual layer multiple spot mutual tolerance formula touch-screen comprises viewing area and surrounds the rim area of viewing area, and each induction electrode group 27 is arranged on viewing area.Binding pad 23 is arranged on the first end of individual layer multiple spot mutual tolerance formula touch-screen.The initiating terminal of each wire jumper 41 is arranged on the second end of individual layer multiple spot mutual tolerance formula touch-screen, and on the left of individual layer multiple spot mutual tolerance formula touch-screen or the rim area on right side is connected to corresponding binding pad 23.Wire jumper 41 is positioned at the first lead-in wire 26 and second and goes between the top of 25 place metal levels, and has insulation course between wire jumper 41 and metal level.Wire jumper 41 is electrically connected with corresponding lead-in wire by via hole 42, so that lead-in wire is electrically connected with corresponding pad 23 of binding.

In Fig. 4 a, its 1st induction electrode group 27 and the 2nd induction electrode group 27 are that the second electrode unit 22 is disposed adjacent, and its 2nd induction electrode group 27 and the 3rd induction electrode group 27 are that the first electrode unit 21 is disposed adjacent.As above-mentioned, the first electrode unit 21 of each induction electrode group 27 and the second electrode unit 22 are all divided into Part I and Part II.When m=4, n=7, k=6, for the first electrode unit, its Part I comprises first three first electrode, and its Part II comprises rear four the first electrodes, for the second electrode unit 22, its Part I comprises first three second electrode, and its Part II comprises rear three the second electrodes.

In the 2nd induction electrode group 27 and the 3rd induction electrode group 27:

In a first portion, 1st-, 3 the first electrodes all adopt independent first lead-in wire 26 to be connected to corresponding binding pad 23, and the first lead-in wire 26 that the first electrode pair of Part I is answered is all be connected to corresponding binding pad 23 by the first electrode of correspondence along the opposite direction of second direction.Preferably, the 3rd the first electrode of two Part I can also adopt same first lead-in wire 26 to be connected to corresponding binding pad, lead-in wire can not be caused to intersect while minimizing number of leads.

In the second portion, 4th-, 7 the first electrodes all adopt the first independent lead-in wire 26 to be connected to corresponding binding pad 23, the first lead-in wire 26 that first electrode pair of Part II is answered is all be connected to by the first electrode of correspondence the via hole 42 being arranged on the second end along second direction, and correspondingly bind pad 23 by being connected to the wire jumper 41 that via hole 42 connects, each wire jumper 41 connects different binding pads 23.Preferably, the 4th the first electrode of two Part I can also adopt same first lead-in wire 26 to be connected to corresponding binding pad 23, lead-in wire can not be caused to intersect while minimizing number of leads.

For the first electrode of two Part II, first lead-in wire 26 of two the first electrodes faced in a first direction connects corresponding binding pad 23 by same wire jumper, be electrically connected by via hole 42 between wire jumper with corresponding lead-in wire, while realization touches detection, reduce the quantity of binding pad 23 and wire jumper 41.Concrete, two the 4th the first electrodes connect respectively by corresponding first lead-in wire the same wire jumper 41 being arranged on the second end, and then connect the binding pad 23 of same correspondence; Two the 5th the first electrodes connect respectively by corresponding first lead-in wire 26 the same wire jumper 41 being arranged on the second end, and then connect the binding pad 23 of same correspondence; Two the 6th the first electrodes connect respectively by corresponding first lead-in wire 26 the same wire jumper 41 being arranged on the second end, and then connect the binding pad 23 of same correspondence; Two the 7th the first electrodes connect respectively by corresponding first lead-in wire 26 the same wire jumper 41 being arranged on the second end, and then connect the binding pad 23 of same correspondence.

In the 1st induction electrode group 27 and the 2nd induction electrode group 27:

In a first portion, 1st-, 3 the second electrodes all adopt independent second lead-in wire 25 to be connected to corresponding binding pad 23, and the second lead-in wire 25 that the second electrode pair of Part I is answered is all be connected to corresponding binding pad 23 by the second electrode of correspondence along the opposite direction of second direction.

In the second portion, 4th-, 6 the second electrodes all adopt the second independent lead-in wire 25 to be connected to corresponding binding pad 23, the second lead-in wire 25 that second electrode pair of Part II is answered is all be connected to by the second electrode of correspondence the via hole 42 being arranged on the second end along second direction, and correspondingly binds pad 23 by being connected to the wire jumper 41 that via hole 42 connects.

For the second electrode of two Part II, the second electrode of the Part II of same second electrode unit 22: the same wire jumper 41 of the second Electrode connection of odd number, the same wire jumper 41 of the second Electrode connection of even number.Concrete, the 4th the second electrode of the 1st induction electrode group 27 and the 4th the second electrode of the 6th the same wire jumper of the second Electrode connection the 41,2nd induction electrode group 27 and the 6th the same wire jumper 41 of the second Electrode connection.For the second electrode unit 22, be positioned at the wire jumper 41 that the second Electrode connection of different group is different.

With reference to the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that figure 4b, Fig. 4 b provides for the embodiment of the present application.Fig. 4 b is on Fig. 4 a basis, and the first lead-in wire that the first electrode pair of two Part I is answered all is connected to the corresponding via hole 43 being arranged on described first end, and by being connected with corresponding binding pad 23 with the wire jumper that this via hole 43 connects.The second lead-in wire 25 that second electrode pair of two Part I is answered all is connected to the corresponding via hole 43 being arranged on described first end, and by being connected with corresponding binding pad 23 with the wire jumper that this via hole 43 connects.

For by wire jumper and via hole 43 and corresponding the first electrode bound pad 23 and be connected: first of two relative in a first direction the first electrodes go between and 25 connect corresponding binding pad 23 by same wire jumper, are electrically connected between wire jumper with corresponding lead-in wire by via hole 43.For by wire jumper and via hole 43 and corresponding the second electrode bound pad 23 and be connected: the same wire jumper of the second Electrode connection of odd number, the same wire jumper of the second Electrode connection of even number.

The one defined in the first electrode unit 21 and the second electrode unit 22 is electrode of first kind unit, and another one is second kind electrode unit; The lead-in wire of each electrode of all electrode of first kind unit is all connected to corresponding binding pad 23 along the opposite direction of described second direction; The lead-in wire of each electrode of all second kind electrode unit is all connected to the via hole 42 of the second end being arranged on m induction electrode group 27 along described second direction, and correspondingly bind pad 23 by being connected to the wire jumper 41 that described via hole 42 connects, described second end and described first end are oppositely arranged, and each wire jumper 41 connects different binding pads 23.

As illustrated in fig. 4 c, the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 4 c provides for the embodiment of the present application, Fig. 4 c is electrode of first kind unit with the first electrode unit 21, second electrode unit 22 is second kind electrode unit, specular between adjacent induction electrode group 27 and induction electrode group 27.The lead-in wire of the first all electrode units 21 is all connected to corresponding binding pad 23 along the opposite direction of described second direction.The lead-in wire of all second electrode units 22, all along described second direction, is connected to corresponding binding pad 23 by the via hole 42 and wire jumper 41 being arranged on the second end.

As shown in figure 4d, the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 4 d provides for the embodiment of the present application, the lead-in wire of each electrode of described electrode of first kind unit is connected to the via hole 43 being arranged on described first end, and by being connected with corresponding binding pad 23 with the wire jumper that this via hole 43 connects.

In other embodiments, can also set the first electrode unit 21 is second kind electrode unit, and the second electrode unit 22 is electrode of first kind unit.

In the embodiment of the present application, arrange successively in a first direction for the first electrode unit 21 of the 1st induction electrode group 27 and the second electrode unit 22 and be described.In other embodiments, the second electrode unit 22 and first electrode unit 21 that can also arrange the 1st induction electrode group 27 are arranged in a first direction successively.

In addition, in other embodiments, each induction electrode group 27 of Fig. 4 a to Fig. 4 b also can and the unrestricted arrangement in specular, the structure that also can be each induction electrode group 27 is identical, arranges in array.

With reference to the concrete structure schematic diagram of figure 5a, Fig. 5 a for the better embodiment of an induction electrode group 27 of the multiple spot of individual layer shown in Fig. 2 mutual tolerance formula touch-screen.In induction electrode group shown in Fig. 5 a, n=3, k=2, namely its first electrode unit 21 comprises the 1st the first electrode X1, the 2nd the first electrode X2 and the 3rd the first electrode X3, and its second electrode unit 22 comprises: the 1st the second electrode Y1 and the 2nd the second electrode Y2.Each first electrode comprises: the first comb electrodes x11 be partly oppositely arranged in a first direction and the second comb electrodes x12.

The first comb electrodes x11 of the 1st the first electrode X1 flushes with the corresponding first end of the second comb electrodes x12, and the first comb electrodes x11 second end corresponding to the second comb electrodes x12 of the n-th the first electrodes flushes.

First comb electrodes x11 and the second comb electrodes x12 includes multiple first branch electrodes D1.The first branch electrodes D1 of the first comb electrodes x11 is along first direction, and the first branch electrodes D1 of the second comb electrodes x12 is along the opposite direction of first direction.First comb electrodes x11 is electrically connected with the second comb electrodes x12.For the part that the first comb electrodes x11 is relative in a second direction with the second comb electrodes x12: the first branch electrodes D1 of the first comb electrodes x11 and the first branch electrodes D1 one_to_one corresponding of the second comb electrodes x12.

In same first electrode unit 21: the first comb electrodes x11 for the 1st the first electrode is different from the second comb electrodes x12 length in a second direction, the first comb electrodes x11 of the n-th the first electrodes is different from the second comb electrodes x12 length in a second direction.First comb electrodes x11 of other the first electrode is identical with the second comb electrodes x12 length in a second direction.

Each second electrode comprises multiple second branch electrodes D2, and the second branch electrodes D2 is arranged between the first comb electrodes x11 and the second comb electrodes x12.Described second branch electrodes D2 comprises: the first branch units extended in the other direction along described first direction and the second branch units extended along described first direction; Described first branch units, between two first branch electrodes D1 of the first comb electrodes x11 of correspondence, is coupled with corresponding two the first branch electrodes D1; Described second branch units, between two first branch electrodes D1 of the second comb electrodes x12 of correspondence, is coupled with corresponding two the first branch electrodes D1.

For the 1st the first electrode X1, in a second direction, first first branch electrodes D1 of its first comb electrodes x11 is electrically connected with first first branch electrodes D1 of its second comb electrodes x12.Or for the 1st the first electrode X1, in a second direction, first first branch electrodes D1 of its first comb electrodes x11 and first first branch electrodes D1 of its second comb electrodes x12 is structure as a whole.

For the n-th the first electrodes: in a second direction, last first branch electrodes D1 of its first comb electrodes x11 is electrically connected with last first branch electrodes D1 of its second comb electrodes x12.For p the first electrode: a first branch electrodes D1 of its first comb electrodes x11 is electrically connected with a first branch electrodes D1 of its second comb electrodes x12, two the first branch electrodes of electrical connection are oppositely arranged in a first direction, and p is the positive integer being greater than 1 and being less than n.In Fig. 5 a, n=3, p=2.

With reference to the concrete structure schematic diagram of figure 6a, Fig. 6 a for an induction electrode group of the multiple spot of individual layer shown in Fig. 3 mutual tolerance formula touch-screen.In Fig. 6 a, equally, n=3, k=2, the connected mode of two comb electrodes of its 1st the first electrode X1 is identical with Fig. 5 a, for q the first electrode: a first branch electrodes D1 of its first comb electrodes x11 is electrically connected with a first branch electrodes D1 of its second comb electrodes x12, two the first branch electrodes D1 of electrical connection shift to install in a first direction, namely the two is not oppositely arranged in a first direction, and two the second electrodes adjacent in same second electrode unit can be made so to be partly oppositely arranged in a first direction.Q is the positive integer being greater than 1 and being not more than n.In Fig. 6 a, p can be 2 or 3.

Described first direction is to the line direction of any induction electrode group 27: the first electrode unit 21 and the second electrode unit 22, or is the opposite direction of described first direction.

With reference to the concrete structure schematic diagram of figure 5b, Fig. 5 b for the better embodiment of each induction electrode group of the multiple spot of individual layer shown in Fig. 2 mutual tolerance formula touch-screen, induction electrode group 27 specular adjacent is in a first direction arranged.With reference to figure 5c, the concrete structure schematic diagram of the better embodiment of each induction electrode group of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 5 c provides for the embodiment of the present application, is described first direction to the line direction of any induction electrode group 27: the first electrode unit 21 and the second electrode unit 22.Fig. 5 b and Fig. 5 c is all individual layer multiple spot mutual tolerance formula touch-screens of the induction electrode group 27 based on structure shown in Fig. 5 a.

With reference to the concrete structure schematic diagram of figure 6b, Fig. 6 b for the better embodiment of each induction electrode group of the multiple spot of individual layer shown in Fig. 3 mutual tolerance formula touch-screen, two adjacent in a first direction induction electrode group 27 specular are arranged.With reference to figure 6c, the concrete structure schematic diagram of the better embodiment of each induction electrode group of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 6 c provides for the embodiment of the present application, the structure of each induction electrode group 27 is identical, the arrangement in array between each induction electrode group 27.Fig. 6 b and Fig. 6 c is all individual layer multiple spot mutual tolerance formula touch-screens of the induction electrode group based on structure shown in Fig. 6 a.

Below with the embodiment of adjacent two induction electrode group 27 specular, illustrating in conjunction with concrete Data Comparison adopts the technical scheme of the embodiment of the present application greatly can reduce number of leads, and then reduce binding pad 23 quantity and cabling blind area width, improve touch-control degree of accuracy, reduce costs.For the screen body of five cun, 8 pitches on first direction are generally set, 15 pitches in second direction.

It should be noted that, the first electrode in each induction electrode group 27 of the application and the second electrode are not limited to the concrete structure shown in Fig. 5 a, 5b, 5c, 6a, 6b, 6c, also can be the concrete structure of other suitable type.

As adopted mode shown in Fig. 7, Fig. 7 is a kind of topological structure schematic diagram of existing individual layer multiple spot mutual tolerance formula touch-screen, and an induction electrode group comprises: 1 the first electrode, 71,15 the second electrodes 72.First electrode 71 length is 15 pitches, and the second electrode 72 length is 1 pitch.Now, an induction electrode group needs 16 lead-in wires (1 bar the first lead-in wire, 15 second lead-in wires), and eight induction electrode groups need 16*8=128 bar to go between altogether.Cabling blind area between two adjacent induction electrode groups has 30 second lead-in wires.An induction electrode group forms 15 capacitive sensing nodes, and 8 induction electrode groups have 15*8=120 sense node altogether.

As adopted Fig. 8 illustrated embodiment, Fig. 8 is the topological structure schematic diagram of another kind of existing individual layer multiple spot mutual tolerance formula touch-screen, and an induction electrode group comprises: 8 the first electrodes, 81,8 the second electrodes 82.In same induction electrode group: can arrange in the Y direction, first the first electrode 81 length is 1 pitch, and other the first electrode 81 length is 2 pitches, and last second electrode 82 length is 1 pitch, and other the second electrode 82 length is 1 pitch.Now, an induction electrode group needs 16 lead-in wires (8 bar the first lead-in wire, 8 second lead-in wires), forms 15 capacitive sensing nodes.Fig. 8 illustrated embodiment has 16*8=128 bar lead-in wire equally, 15*8=120 capacitive sensing node.Cabling blind area between adjacent two induction electrode groups has 16 second lead-in wires.

As adopted Fig. 9 illustrated embodiment, the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Fig. 9 provides for the embodiment of the present application, first electrode unit 21 of Fig. 9 illustrated embodiment induction electrode group 27 and the structure of the second electrode unit 22 and the first electrode unit 21 of layout and Fig. 2 illustrated embodiment induction electrode group and the structure of the second electrode unit 22 and layout identical, difference is, Fig. 9 is many compared to Fig. 2, and 4 induction electrode groups 27, Fig. 9 have eight induction electrode groups 27 in a first direction.In fig .9, there is 13*8=104 bar lead-in wire, 18*8=144 capacitive sensing node.Cabling blind area between adjacent two induction electrode groups 27 has 12 second lead-in wires or 14 first lead-in wires.Visible, relative to Fig. 7 and Fig. 8 embodiment, decrease number of leads (and then reducing binding pad quantity), decrease the number of leads in blind area, improve the quantity of capacitive sensing node.Therefore, effectively improve touch accuracy, reduce cost of manufacture.And cabling blind area width can be reduced, touch accuracy can be improved further.

As adopted Figure 10 illustrated embodiment, the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Figure 10 provides for the embodiment of the present application, in Figure 10 illustrated embodiment induction electrode group in the structure of the first electrode unit 21 and the second electrode unit 22 and layout and Fig. 9 illustrated embodiment induction electrode group 27 structure of the first electrode unit 21 and the second electrode unit 22 and layout identical, difference is, in each induction electrode group 27: in a second direction, the first lead-in wire that first three first electrode pair is answered and the second lead-in wire that first three the second electrode pair is answered all connect along the opposite direction of second direction with corresponding binding pad, the first lead-in wire that other first electrode pair is answered and the second lead-in wire that other second electrode pair is answered all are connected with corresponding wire jumper 41 along second direction by the corresponding via hole 42 being arranged on the second end, thus realize binding the connection of padding with corresponding.

In Figure 10, number of leads is identical with Fig. 9, but relative to Fig. 9 embodiment, the lead-in wire of cabling blind area is divided into the direction that two different, is shortened further by the width of cabling blind area.And according to above-mentioned wire jumper set-up mode, multiplexing first lead-in wire can be adopted, the method for shared wire jumper reduces lead-in wire further and binding pad quantity, reduce costs, improve touch accuracy.

As adopted Figure 11 illustrated embodiment, the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Figure 11 provides for the embodiment of the present application, in Figure 11 illustrated embodiment induction electrode group in the structure of the first electrode unit 21 and the second electrode unit 22 and layout and Fig. 3 illustrated embodiment induction electrode group the structure of the first electrode unit 21 and the second electrode unit 22 and layout identical, difference is, 4 induction electrode groups that Figure 11 is many compared to Fig. 3, Figure 11 has eight induction electrode groups 27 in a first direction.In fig .9, there is 12*8=96 bar lead-in wire, 20*8=160 sense node.Cabling blind area between adjacent two induction electrode groups 27 has 12 lead-in wires.Visible, relative to Fig. 7 and Fig. 8 embodiment, equally, decrease number of leads and cabling blind area width, effectively improve touch accuracy, reduce cost of manufacture.

As adopted Figure 12 illustrated embodiment, the topological structure schematic diagram of another individual layer multiple spot mutual tolerance formula touch-screen that Figure 12 provides for the embodiment of the present application, in Figure 12 illustrated embodiment induction electrode group in the structure of the first electrode unit 21 and the second electrode unit 22 and layout and Figure 11 illustrated embodiment induction electrode group 27 structure of the first electrode unit 21 and the second electrode unit 22 and layout identical, difference is, in each induction electrode group 27: in a second direction, the first lead-in wire 26 that the first two first electrode pair is answered and the second lead-in wire 25 that first three the second electrode pair is answered all connect along the opposite direction of second direction with corresponding binding pad 23, the first lead-in wire 26 that other first electrode pair is answered and the second lead-in wire 25 that other second electrode pair is answered all are connected with corresponding wire jumper 41 along second direction by the corresponding via hole 42 being arranged on the second end, thus realize binding the connection of padding with corresponding.

In Figure 12, number of leads is identical with Figure 11, but relative to Figure 11 embodiment, the lead-in wire of cabling blind area is divided into the direction that two different, is shortened further by the width of cabling blind area.And according to above-mentioned wire jumper set-up mode, multiplexing first lead-in wire 26 can be adopted, the method for shared wire jumper reduces lead-in wire further and binding pad quantity, reduce costs, improve touch accuracy.

It should be noted that, individual layer multiple spot mutual tolerance formula touch-screen refers to that the first electrode and the second electrode adopt single-layer electrodes layer to be prepared from, and can realize the mutual tolerance formula touch-screen of multi-point touch.

Known by foregoing description, originally establish application embodiment individual layer multiple spot mutual tolerance formula touch-screen to improve touch accuracy while reducing cabling and binding the quantity padded, the width reducing cabling blind area, and reduce cost of manufacture.

The embodiment of the present application additionally provides a kind of electronic equipment, and with reference to the structural representation of a kind of electronic equipment 131 that Figure 13, Figure 13 provide for the embodiment of the present application, this electronic equipment 131 comprises individual layer multiple spot mutual tolerance formula touch-screen 132.Wherein, individual layer multiple spot mutual tolerance formula touch-screen 132 can be the individual layer multiple spot mutual tolerance formula touch-screen of any one embodiment above-mentioned.Described electronic equipment 131 is as being mobile phone, panel computer, navigator etc.

In addition, described electronic equipment 131 comprises FPC (FPC) and touch chip (not shown) further.Described touch chip is electrically connected with described individual layer multiple spot mutual tolerance formula touch-screen 132 by described FPC.Described touch chip is used for providing drive singal to described individual layer multiple spot mutual tolerance formula touch-screen 132, and receives the sensing signal from individual layer multiple spot mutual tolerance formula touch-screen 132, thus realizes performing the function touching and detect.

Because electronic equipment 131 adopts above-described embodiment individual layer multiple spot mutual tolerance formula touch-screen, therefore the touch accuracy of electronic equipment 131 is good, and cost is low.In addition, because the quantity of binding pad 23 of the present invention can reduce, correspondingly, correspondingly with the width of FPC that binding pad 23 connects to reduce, thus can reduce costs further.

Incorporated by reference to the schematic diagram of the individual layer multiple spot mutual tolerance formula touch-screen of the application's the various embodiments described above, the touch chip of the application's electronic equipment 131 and the first electrode of individual layer multiple spot mutual tolerance formula touch-screen and the annexation of the second electrode are described below:

Described touch chip comprises multiple pin, described multiple pin for transmitting the signal between touch chip and individual layer multiple spot mutual tolerance formula touch-screen, for each induction electrode group 27:

The different pins of touch chip described in each first Electrode connection;

Along second direction, the same pin of touch chip described in the second Electrode connection being positioned at odd positions in second electrode unit 22, be positioned at the same pin of touch chip described in the second Electrode connection that even bit puts in second electrode unit 22, and the pin being positioned at the touch chip of the second Electrode connection of odd positions is different from the pin of touch chip of the second Electrode connection being positioned at even number position.

Induction electrode group 27 for different:

Along second direction, the same pin of the first Electrode connection touch chip that location order is identical in each first electrode unit 21, the different pins of the second Electrode connection touch chip that location order is identical in each second electrode unit 22.

Belong to the different pins of the second Electrode connection touch chip in different induction electrode groups 27.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. an individual layer multiple spot mutual tolerance formula touch-screen, is characterized in that, comprising:

2. individual layer multiple spot mutual tolerance formula touch-screen according to claim 1, is characterized in that, in this second direction, described second electrode unit comprises the 1st the second electrode to kth the second electrode, k be greater than 1 positive integer;

3. individual layer multiple spot mutual tolerance formula touch-screen according to claim 2, it is characterized in that, in same second electrode unit, the second adjacent at least partly electrode is oppositely arranged in said first direction.

4. individual layer multiple spot mutual tolerance formula touch-screen according to claim 2, is characterized in that, in same induction electrode group, in said first direction:

5. individual layer multiple spot mutual tolerance formula touch-screen according to claim 1, is characterized in that, described first end is one end of the 1st the first electrode near m induction electrode group.

6. individual layer multiple spot mutual tolerance formula touch-screen according to claim 1, is characterized in that, any first lead-in wire and first goes between and do not intersect, and any second lead-in wire and second goes between and do not intersect, and any first lead-in wire and any second goes between and do not intersect.

7. individual layer multiple spot mutual tolerance formula touch-screen according to claim 1, it is characterized in that, m is even number, in two induction electrode groups of arbitrary neighborhood: the first electrode unit is disposed adjacent with the first electrode unit, or second electrode unit be disposed adjacent with the second electrode unit, adjacent induction electrode group be specular arrangement.

8. individual layer multiple spot mutual tolerance formula touch-screen according to claim 7, is characterized in that, in two that are disposed adjacent with the first electrode unit at the first electrode unit adjacent induction electrode groups:

9. individual layer multiple spot mutual tolerance formula touch-screen according to claim 7, is characterized in that, in two that are disposed adjacent with the second electrode unit at the second electrode unit adjacent induction electrode groups:

10. individual layer multiple spot mutual tolerance formula touch-screen according to claim 7, is characterized in that, in two that are disposed adjacent with the first electrode unit at the first electrode unit adjacent induction electrode groups:

11. individual layer multiple spot mutual tolerance formula touch-screens according to claim 10, it is characterized in that, the first lead-in wire that first electrode pair of two Part I is answered all is connected to the corresponding via hole being arranged on described first end, and by being connected with corresponding binding pad with the wire jumper that this via hole connects.

12. individual layer multiple spot mutual tolerance formula touch-screens according to claim 11, it is characterized in that, in described two adjacent induction electrode groups, bind with corresponding the first electrode padding and be connected with via hole: along second direction for by wire jumper, first lead-in wire of two the first electrodes that location order is identical connects corresponding binding pad by same wire jumper, is electrically connected between wire jumper with corresponding lead-in wire by via hole.

13., according to the individual layer multiple spot mutual tolerance formula touch-screen in claim 7-12 described in any one claim, is characterized in that, in two that are disposed adjacent with the second electrode unit at the second electrode unit adjacent induction electrode groups:

14. individual layer multiple spot mutual tolerance formula touch-screens according to claim 13, it is characterized in that, the second lead-in wire that second electrode pair of two Part I is answered all is connected to the corresponding via hole being arranged on described first end, and by being connected with corresponding binding pad with the wire jumper that this via hole connects.

15. individual layer multiple spot mutual tolerance formula touch-screens according to claim 14, it is characterized in that, in described two adjacent induction electrode groups, bind with corresponding the second electrode padding and be connected with via hole: the same wire jumper of the second Electrode connection of odd number, the same wire jumper of the second Electrode connection of even number for by wire jumper.

16. individual layer multiple spot mutual tolerance formula touch-screens according to claim 7, it is characterized in that, the one defined in the first electrode unit and the second electrode unit is electrode of first kind unit, and another one is second kind electrode unit;

17. individual layer multiple spot mutual tolerance formula touch-screens according to claim 16, it is characterized in that, the lead-in wire of each electrode of described electrode of first kind unit is connected to the via hole being arranged on described first end, and by being connected with corresponding binding pad with the wire jumper that this via hole connects.

18. individual layer multiple spot mutual tolerance formula touch-screens according to any one of claim 1-17, it is characterized in that, described first electrode comprises: the first comb electrodes of being oppositely arranged of part and the second comb electrodes in a first direction;

19. individual layer multiple spot mutual tolerance formula touch-screens according to claim 18, it is characterized in that, in same first electrode unit: the first comb electrodes for the 1st the first electrode is different from the second comb electrodes length in a second direction, the first comb electrodes of the n-th the first electrodes is different from the second comb electrodes length in a second direction; First comb electrodes of other the first electrode is identical with the second comb electrodes length in a second direction.

20. individual layer multiple spot mutual tolerance formula touch-screens according to claim 19, it is characterized in that, the second electrode comprises multiple second branch electrodes, and described second branch electrodes is arranged between described first comb electrodes and described second comb electrodes;

21. individual layer multiple spot mutual tolerance formula touch-screens according to claim 19, it is characterized in that, for the 1st the first electrode, in this second direction, first the first branch electrodes of its first comb electrodes is electrically connected with first the first branch electrodes of its second comb electrodes.

22. individual layer multiple spot mutual tolerance formula touch-screens according to claim 21, it is characterized in that, for the n-th the first electrodes: in this second direction, last first branch electrodes of its first comb electrodes is electrically connected with last first branch electrodes of its second comb electrodes;

23. individual layer multiple spot mutual tolerance formula touch-screens according to claim 21, it is characterized in that, for q the first electrode: first branch electrodes of its first comb electrodes is electrically connected with first branch electrodes of its second comb electrodes, two the first branch electrodes of electrical connection shift to install in said first direction, and q is the positive integer being greater than 1 and being not more than n.

24. individual layer multiple spot mutual tolerance formula touch-screens according to claim 1, it is characterized in that, the structure of each induction electrode group is identical, the arrangement in array between each induction electrode group.

25. 1 kinds of electronic equipments, is characterized in that, comprise the individual layer multiple spot mutual tolerance formula touch-screen as described in any one of claim 1-24.

26. electronic equipments according to claim 25, it is characterized in that, described electronic equipment comprises FPC and touch chip further, described touch chip is electrically connected with described individual layer multiple spot mutual tolerance formula touch-screen by described FPC, wherein, described FPC with described multiple bind to pad be connected.

27. electronic equipments according to claim 25, it is characterized in that, described electronic equipment comprises touch chip, described touch chip comprises multiple pin, carries out Signal transmissions, for each induction electrode group by described multiple pin and each induction electrode group:

The different pins of touch chip described in each first Electrode connection;

28. electronic equipments according to claim 27, is characterized in that, the induction electrode group for different:

29. electronic equipments according to claim 27, is characterized in that, belong to the different pins of the second Electrode connection touch chip in different induction electrode groups.