CN104199588B - A kind of touch-screen and touch control display apparatus - Google Patents
A kind of touch-screen and touch control display apparatus Download PDFInfo
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- CN104199588B CN104199588B CN201410493963.XA CN201410493963A CN104199588B CN 104199588 B CN104199588 B CN 104199588B CN 201410493963 A CN201410493963 A CN 201410493963A CN 104199588 B CN104199588 B CN 104199588B
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Abstract
The invention discloses a kind of touch-screen and touch control display apparatus, including：A plurality of the first wire and the second wire parallel to first direction；A plurality of privates parallel to second direction；Correspondingly connect one first lead per one first wire；Correspondingly connect one second lead per one second wire, each privates correspondingly connects one the 3rd lead；During electromagnetic touch, any two first wires are connected, and are correspondingly connected to the sense of current of two first leads of any two first wires conversely, forming first coil；Any two second wires are connected, and are correspondingly connected to the sense of current of two second leads of any two second wires conversely, forming the second coil；Any two privates are connected, and it is contrary to be correspondingly connected to the sense of current of two article of the 3rd lead of any two articles of privates, form tertiary coil, first coil and the second coil are used for detecting that coordinate of the touch location in second direction, tertiary coil are used for detecting touch location coordinate in a first direction.
Description
Technical field
The present invention relates to display, technical field of touch control, more particularly to a kind of touch-screen and touch control display apparatus.
Background technology
Now, the touch control display apparatus such as mobile phone become more and more popular, actually used in, find exist touch-control effect on driving birds is not good, touch
The problems such as control display device border width is big, touch control display apparatus thickness is big.
Content of the invention
In view of this, the invention provides a kind of touch-screen, touch control display apparatus.
A kind of touch-screen, including：
Substrate, including viewing area；
First wire group, on the substrate, the first wire group includes a plurality of parallel to the first of first direction
Wire；
Second wire group, on the substrate, the second wire group includes a plurality of parallel to the second of first direction
Wire；And
A plurality of privates parallel to second direction；
Wherein, correspondingly connect first lead per one first wire；The correspondingly connection one article the per one second wire
Two leads, first lead and the second lead are located at the both sides of the viewing area respectively, and each privates correspondingly connects
One article of the 3rd lead；
During electromagnetic touch, any two first wires are connected, and are correspondingly connected to the two of any two first wires
The sense of current of the first lead of bar is conversely, forming first coil；Any two second wires are connected, and are correspondingly connected to described
The sense of current of two second leads of any two second wires is conversely, forming the second coil；Any two privates
Be connected, and the sense of current of two article of the 3rd lead of any two articles of privates is correspondingly connected to conversely, with formation the 3rd
Coil, the first coil and the second coil are used for detecting that touch location coordinate in a second direction, the tertiary coil are used
In detection touch location coordinate in a first direction.
Accordingly, the present invention also provides a kind of touch control display apparatus, including touch-screen as above.
A kind of touch-screen of present invention offer, touch control display apparatus are at least up to one of following technique effect：
A kind of touch-screen that the present invention is provided, by being arranged parallel to a plurality of first wire and a plurality of second of first direction
Wire, and be connected to the first lead of the first wire and be connected to the second lead of the second wire respectively positioned at the viewing area
Both sides, so so that the border width of touch-screen reduces, and increases touch-control area, have been at least up to narrow frame, have improved touch-control effect
One of technique effect of fruit.
Description of the drawings
Fig. 1 forms schematic diagram during coil in a second direction for prior art touch-screen；
Fig. 2 is a kind of structural representation of first, second coil of touch-screen provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of touch-screen tertiary coil provided in an embodiment of the present invention；
A kind of pin connection diagram of first, second coil of touch-screen that Fig. 4 a are provided for embodiment；
Fig. 4 b are a kind of structural representation of the pin connection and touch-control driver element for forming first coil in Fig. 4 a；
Fig. 4 c are the structural representation of another kind of pin connection and touch-control driver element for forming first coil in Fig. 4 a；
A kind of pin connection diagram of the tertiary coil of touch-screen that Fig. 5 is provided for embodiment；
Fig. 6 is principle schematic when electromagnetic touch screen is accurately positioned；
The part-structure schematic diagram of another kind of touch-screen that Fig. 7 is provided for embodiment；
Fig. 8 is the structural representation of another touch-screen provided in an embodiment of the present invention；
Fig. 9 is the pin connection diagram of touch-screen in Fig. 8；
Figure 10 is the structural representation of another touch-screen provided in an embodiment of the present invention；
Figure 11 is also a kind of structure of touch-screen provided in an embodiment of the present invention；
Figure 12 is a kind of part-structure schematic cross-section of array base palte provided in an embodiment of the present invention；
Figure 13 (a)-Figure 13 (j) is a kind of part-structure schematic diagram of touch control display apparatus provided in an embodiment of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step ground is described in detail, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole enforcement
Example.Embodiment in based on the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
It was discovered by researchers that as shown in figure 1, the touch control display apparatus of prior art include that touch-screen, touch-screen include base
Plate 101, substrate 101 include that viewing area 102 and lead areas 107, viewing area 102 include a plurality of parallel with first direction leading
Line 103 (1211,1221,1231), each wire 103 correspondingly connect a lead 104, and lead 104 is located at lead areas
107.Wherein, the sense of current of two leads 104 being connected with wire 1211 and wire 1221 is conversely, then wire 1211 and wire
1221 sense of current also conversely, and wire 1211 is connected further through touch-control driver element 105 with wire 1221, thus, wire
1211 and wire 1221 formed coil 106, then, researcher is it has furthermore been found that lead 104 is respectively positioned on the same of viewing area 102
Side, in other words, the lead 104 of coil 106 using unilateral wire laying mode, thus, result in the width of lead areas 107 compared with
Greatly, however, in actual production, due to the limited width of lead areas 107, therefore, in order to control the width of lead areas 107,
Will certainly control the quantity with the wire 103 of the 104 corresponding connection of lead in lead areas 107, thus with lead areas 107 in
Also quantity is accordingly reduced the wire 103 of 104 corresponding connection of lead, so so that the quantity of the coil 106 of formation is also less, line
The quantity of circle 106 is reduced and then causes the touch-control hydraulic performance decline of touch-screen；Therefore, when the touch-control performance of touch-screen to be improved,
The quantity for increasing coil 106 is accomplished by, so, it is necessary to increase the quantity of the lead 104 of coil 106, thus, will increase drawing
The width in region shared by line region 107, in other words, when the touch-control performance of touch-screen to be improved, will certainly increase rim area
The width in domain, the border width that this allows for touch-screen are big, are unfavorable for the frame narrowing of touch-screen.
Researcher it has further been found that, if will corresponding with wire 103 (1211,1221,1231) connection lead 104
Wire laying mode of the wiring using left and right bilateral, that is, so that the lead of connection corresponding with wire 103 (1211,1221,1231)
104 both sides for being respectively arranged at viewing area 102, thus, the quantity of coil can be caused to increase, and then improve the touch-control of touch-screen
Can, it is also possible to do not increase border width, reached the technique effect of narrow frame.
Being discussed in detail for the technical scheme that the specific embodiment of the invention is provided is given below.
It should be noted that：
1st, the touch-control display panel involved by following examples of the present invention is including but not limited to embedded touch display surface
Plate or half In-cell touch display panel, the present invention are not specifically limited to this.Described in the embodiment of the present invention for example
In " X is located on Y " or " X is located on Y " " on ", " on " hierarchical relationship is represented only, do not necessarily mean that it is directly to cover.
For example " corresponding to " described in the embodiment of the present invention, it can be understood as corresponding connection.
2nd, the bar number of the first wire involved by following examples of the present invention, the bar number of the second wire, the bar of privates
Number, article number of privates, the number of first coil, the number of the second coil, the number of tertiary coil, the number of the 4th coil
All it is only for example and non-limiting, the present embodiment does not do any restriction to this.
As shown in Fig. 2 a kind of touch-screen that the specific embodiment of the invention is provided, including：Substrate 20, the substrate 20 include showing
Show area 21；Touch-screen also includes the first wire group 22 and the second wire group 23,23 equal position of the first wire group 22 and the second wire group
In viewing area 21, the first wire group 22 includes a plurality of the first wire 2211～2213 parallel to first direction, the second wire group
23 include a plurality of the second wire 2311～2313 parallel to first direction；Wherein, distinguish per one first wire 2211～2213
Correspondingly connect first lead 2221～2223, specifically, the first wire 2211 is correspondingly connected to the first lead 2221, first
Wire 2212 is correspondingly connected to the first lead 2222, and the first wire 2213 is correspondingly connected to the first lead 2223；Lead per one second
Line 2311～2313 is connected respectively second lead 2321～2323, and specifically, the second wire 2311 is connected to second
Lead 2321, the second wire 2312 are connected to the second lead 2322, and the second wire 2313 is connected to the second lead 2323, and first draws
Line 2221～2223 and the second lead 2321～2323 are located at the both sides of viewing area 21 respectively；During electromagnetic touch, any two article
One wire 2211～2213 is connected, and is correspondingly connected to two first leads of any two first wires 2211～2213
2221～2223 sense of current conversely, to form first coil 24, specifically, for example, the first wire 2211 and first
Wire 2213 is connected by touch control unit 26, is correspondingly connected to two first leads of the first wire 2211 and the first wire 2213
2221 and first lead 2223 the sense of current conversely, so so that the electric current side of the first wire 2211 and the first wire 2213
To also conversely, forming first coil 24；Any two second wires 2311～2313 are connected, and be correspondingly connected to this any two
The sense of current of two second leads 2321～2323 of the second wire of bar 2311～2313 conversely, to form the second coil 25,
Specifically, for example, the second wire 2311 is connected by touch control unit 26 with the second wire 2313, is correspondingly connected to second and is led
The sense of current of two second leads 2321 and the second lead 2323 of line 2311 and the second wire 2313 is conversely, so so that
The sense of current of the second wire 2311 and the second wire 2313 is also conversely, forming the second coil 25；First coil 24 and second
Coil 25 is used for detecting touch location coordinate in a second direction.
Further, as shown in figure 3, touch-screen also includes：A plurality of privates 311～313 parallel to second direction
With a plurality of 3rd lead 321～323, privates 311～313 is in the viewing area 21 on substrate 20；Wherein, per one the 3rd
Wire 311～313 correspondingly connects one article of the 3rd lead 321～323, and specifically, privates 311 is connected to the 3rd lead
321, privates 312 is connected to the 3rd lead 322, and privates 313 is connected to the 3rd lead 323；During electromagnetic touch, arbitrarily
Two privates 311～313 is connected, with the 3rd lead 321～323 of two articles of privates, 311～313 corresponding connection
The sense of current is conversely, specific, for example, privates 311 is connected by touch control unit 26 with privates 312, with this
The sense of current of the 3rd lead 321 and the 3rd lead 322 of the 312 corresponding connection of two articles of privates 311 and privates conversely,
So so that the sense of current of privates 311 and privates 312 is also conversely, forming tertiary coil 33, tertiary coil 33
For detecting touch location coordinate in a first direction.
Embodiment described below is intended merely to better illustrate the present invention, does not do specific restriction to the present invention,
In actual implementation process, only following condition need to be met：During electromagnetic touch, two first of first wire are at least spaced
Wire is connected, and is correspondingly connected to the sense of current of two first leads of two first wires conversely, forming First Line
Circle, in other words, during electromagnetic touch, two first wires for forming the first coil are non-conterminous；During electromagnetic touch, extremely
Two second wires for being spaced second wire less are connected, and are correspondingly connected to two second leads of two second wires
The sense of current conversely, to form the second coil, in other words, form two second wires of second coil not phase
Adjacent.
Specifically, as shown in fig. 4 a, as a example by four, four first wires 221 pass through the bar number of the first wire 221 respectively
Pin 5, pin 6, pin 7 and pin 8 are connected to touch-control driver element 50, four with four 221 corresponding connections of the first wire
First lead 222 is connected to touch-control driver element 50 by pin 4, pin 3, pin 2 and pin 1 respectively.Second wire 231
As a example by four, four second wires 231 are connected to touch-control drive by pin 9, pin 10, pin 11 and pin 12 to bar number respectively
Moving cell 50, passes through pin 16, pin 15, pin respectively with four second leads 232 of four 231 corresponding connections of the second wire
14 and pin 13 be connected to touch-control driver element 50.It is only the schematic diagram of touch-control driver element 50 in figure, is not offered as touch-control drive
The actual size of moving cell 50 and position, GND represent earth lead.
Specifically, with the formation mechenism of first coil 41 and scanning work flow process for example, electromagnetic touch scans (electromagnetism
Touch scanning or electromagnetic touch) when, by the control of touch-control driver element 50, pin 8 is connected with pin 6, so so that point
It is not connected with two first wires 221 of 6 corresponding connection of pin 8 and pin, and simultaneously by the control of touch-control driver element 50
System so that pin 1, the sense of current of 3 corresponding two first leads 222 of pin are conversely, so that being connected to pin 8 and drawing
The sense of current of two first wires 221 of pin 6 is also conversely, so as to forming first coil 41.
Further, pin to be caused 1,3 corresponding two first leads 222 of pin the sense of current conversely, just like
Under several specific embodiments：
Mode one：As shown in figures 4 a and 4b, the one end that can pass through a signal element 55 applies an electricity to pin 1
Scan flow signal or voltage scan signal, the other end ground connection of the signal element, while pin 3 is also grounded, are being embodied as
When, can pass through to arrange a switch SW (generally, switch SW adopts thin film transistor (TFT) TFT) between pin 6 and pin 8, should
Switch SW is off when forming coil；When needing to be formed coil, switch SW is in the conduction state, reaches
Pin 6 is connected with pin 8, and then is connected with two first wires 221 of pin 8 so that corresponding respectively to pin 6, thus,
After the electric current that signal element 55 applies a direction to pin 1, electric current flow to the first wire 221 being connected with pin 8, then passes through
The switch SW of conducting is crossed, electric current is flow to the first wire 221 being connected with pin 6, further flow to first be connected with pin 3
Lead 222, so as in viewing area 21, defining first coil 41, that is, reaching：It is connected to two article of pin 8 and pin 6
The sense of current of two first leads 222 of one wire 221 (that is, is connected to 1 two first leads 222 of pin 3 and pin on the contrary
The sense of current contrary), and 6 corresponding two first wires 221 of pin 8 and pin are connected, so as to pin 8 and pin 6 are corresponding
Two first wires 221 the sense of current conversely, formed be located at viewing area first coil 41.Now, a coil is completed
Scanning process description, and electromagnetic touch scanning (electromagnetic touch) when, be that multiple coils are being scanned successively, in the present embodiment,
Other first coils can be formed, and carry out electromagnetic touch Scanning Detction along second direction, such as, other first coils
During scanning, by the control of touch-control driver element 50, pin 7 is connected with pin 5, thus, pin 7 and pin 5 corresponding two
The first wire of bar 221 is connected, and simultaneously by the control of touch-control driver element 50 so that with pin 2, pin 4 corresponding two
The sense of current of the first lead of bar 222 is conversely, so that be connected to the electric current of two first wires 221 of pin 7 and pin 5
Direction also conversely, form another first coil (not shown), by that analogy, the principle of the formation of other first coils is identical,
It will not go into details for this.
Mode two：As shown in Fig. 4 a and Fig. 4 c, mode two is essentially identical with mode one, and identical part repeats no more, side
Formula two is with the distinctive points of mode one：Pin 1 is connected to signal element 55, and pin 3 is connected to signal element 66, signal element
55 and 66 apply to the first lead 222 for being connected to pin 1 and the first lead 222 for being connected to pin 3 respectively in opposite direction
Electric current, and pin 8 and pin 6 be connected by switching SW, and when electromagnetic touch, switch SW is turned on, and pin 8 and pin 6 are electrical
It is connected, so that：It is connected with the pin 8 and pin 6 of two first wires 221 of this two 222 corresponding connections of the first lead,
Thus, 6 corresponding two first wires 221 of pin 8 and pin are connected, also, simultaneously by the control of touch-control driver element 50,
So that the sense of current of pin 1,3 corresponding two first leads 222 of pin is conversely, so that pin 8 and pin 6 are corresponding
The sense of current of two first wires 221 is also conversely, forming first coil 41.
Above describe formation mechenism and the scanning work flow process of first coil 41, in the same manner, the formation of the second coil 42
Mechanism and scanning work flow process are essentially identical with the formation mechenism of first coil 41 and scanning work flow process, as shown in fig. 4 a,：Electricity
During magnetic touch-control scanning (electromagnetic touch scanning or electromagnetic touch), by the control of touch-control driver element 50, by pin 9 and pin 11
It is connected, so so that 11 corresponding two second wires 231 of pin 9 and pin are connected, and passes through touch-control driver element simultaneously
50 control so that pin 16, the sense of current of 14 corresponding two second leads 232 of pin are conversely, so so that connect respectively
The sense of current of two second wires 231 of pin 9 and pin 11 is connected to also conversely, so as to forming the second coil 42.Now, complete
Into the description of the scanning process of a coil, and during electromagnetic touch scanning (electromagnetic touch), it is that multiple coils are being scanned successively, originally
In embodiment, other the second coils can be formed, and carry out electromagnetic touch Scanning Detction along second direction, such as, other
When second coil is scanned, by the control of touch-control driver element 50, pin 10 is connected with pin 12, thus, pin 10 and drawing
The second wires of 12 corresponding two, pin 231 are connected, and simultaneously by the control of touch-control driver element 50 so that pin 15, draw
The sense of current of 13 corresponding two second leads 232 of pin is conversely, so so that be connected to the two of pin 10 and pin 12
The sense of current of the second wire of bar 231 also conversely, so as to form another second coil (not shown), in the same manner, other second coils
Formation principle also identical, will not be described here.
In the same manner, the sense of current of pin to be caused 16,14 corresponding two second leads 232 of pin is conversely, or cause
Pin 15,13 corresponding two second leads 232 of pin the sense of current conversely, in embodiments thereof and above-mentioned enforcement first
Mode one in coil 41 with mode two in the same manner, therefore, will not be described here.
Embodiment described below is intended merely to better illustrate the present invention, does not do specific restriction to the present invention, under
The formation mechenism of tertiary coil and scanning work flow process are introduced in face, as shown in figure 5, in actual implementation process, being at least spaced one
The sense of current of two article of the 3rd lead 32 positioned at viewing area side of article 31 corresponding connection of privates is conversely, be located at viewing area
The sense of current of two article of the 3rd lead 32 of opposite side that is, during electromagnetic touch, forms described the conversely, to form tertiary coil
Two privates 31 of three-winding are non-conterminous.
Specifically, as shown in figure 5, the bar number of privates 31 (311～314) is as a example by four, every privates 311
～314 are connected to one article of the 3rd lead 32, one end of privates 311 is connected to pin 1 by the 3rd lead 32, the
The other end of three wires 311 is connected to touch-control driver element 50 by pin 2, and one end of privates 312 passes through the 3rd lead
32 are connected to pin 3, and the other end of privates 312 is connected to touch-control driver element 50 by pin 4, privates 313
One end is connected to pin 5 by the 3rd lead 32, and the other end of privates 313 is connected to touch-control driver element by pin 6
50, one end of privates 314 is connected to pin 7 by the 3rd lead 32, and the other end of privates 314 is connected by pin 8
It is connected to touch-control driver element 50.It is only the schematic diagram of touch-control driver element 50 in figure, is not offered as the reality of touch-control driver element 50
Border size and location, GND represent earth lead.
Electromagnetic touch scan when, by the control of touch-control driver element 50, pin 2 is connected with pin 6, thus, with draw
Pin 2 is connected with privates 313 with 6 corresponding privates 311 of pin, and simultaneously by the control of touch-control driver element 50
System so that pin 1, the sense of current of 5 corresponding two bars of the 3rd leads 32 of pin are conversely, so so that be connected to pin 2
With the sense of current of the privates 311 and privates 313 of pin 6 also conversely, so as to forming tertiary coil 51.Now, complete
Into the description of the scanning process of a coil, and during electromagnetic touch scanning (electromagnetic touch), it is that multiple coils are being scanned successively, originally
In embodiment, other tertiary coils can be formed, and carry out electromagnetic touch Scanning Detction along a first direction, such as, other
Tertiary coil scan when, by the control of touch-control driver element 50, pin 4 is connected with pin 8, thus, with pin 4 and pin
8 corresponding privates 312 are connected with privates 314, and simultaneously by the control of touch-control driver element 50 so that pin
3rd, the sense of current of 7 corresponding two bars of the 3rd leads 32 of pin is conversely, so so that be connected to the of pin 4 and pin 8
The sense of current of three wires 312 and privates 314 also conversely, so as to form another tertiary coil (not shown), in the same manner, other
The principle of the formation of tertiary coil is also identical, will not be described here.
In the same manner, the sense of current of pin to be caused 1,5 corresponding two bars of the 3rd leads 32 of pin is conversely, or cause pin
3rd, the sense of current of 7 corresponding two bars of the 3rd leads 32 of pin is conversely, first coil 41 in embodiments thereof and above-mentioned enforcement
In mode one identical with mode two, therefore will not be described here；And the principle of other formation of tertiary coils 51 is also identical with this,
Therefore here is no longer gone to live in the household of one's in-laws on getting married.
The method that following is a brief introduction of electromagnetic touch Scan orientation.First by the specific algorithm of touch-control driver element 50,
Select in turn switch on the first coil 41 and the second coil 42 for scanning in a second direction, and electric current is applied to the coil that is connected and sweep
Signal or voltage scan signal is retouched, when time writer is close to first coil 41 or the second coil 42, the coil in time writer will
Produce induced-current, now touch-screen mode of operation be switched to signal receiving modes, be switched to signal receiving modes specifically by
50 scan pattern set in advance of touch-control driver element is carried out.Occur between time writer and first coil 41 or the second coil 42
Electromagnetic induction effect, by detecting the electric current on first coil 41 or the second coil 42 come preliminary judgement time writer in second direction
On position, realize first positioning in a second direction；In the same manner, the first positioning principle of first direction is identical with second direction,
This repeats no more.After judging time writer position, touch-control driver element 50 can be analyzed to the data for scanning and feed back, and finally selected
Select in turn switch on time writer closest to several first coils 41 or the second coil 42, and applying electric current when repeating just positioning
Scanning signal or voltage scan signal, the actions such as signal receiving modes and detection signal are switched to, so that essence is carried out to time writer
Determine position.
When being accurately positioned to time writer, the detection that touch-control driver element 50 can be to first coil 41 or the second coil 42
As a result it is fitted, fitting result is as shown in fig. 6, the reference axis in figure in a second direction represents first coil 41 or the second coil
42 position, reference axis in the first direction represent that the intensity of signal, the peak of curve 60 are judged to the position residing for time writer
Put, the coordinate of the peak of curve 60 in " coil position " this reference axis is touch location seat in a second direction
Mark, so determines touch location coordinate in a second direction.
The touch-screen that the specific embodiment of the invention is provided, as shown in Fig. 2 the first wire group 22 and the second wire group 23 it
Between may there is white space, without any line layout in the white space, in order to accurately judge the position of time writer
Put, these white spaces are also required that and can form coil, therefore, further, as shown in fig. 7, touch-screen includes a plurality of first
Wire 221 and a plurality of second wire 231, are correspondingly connected to first lead 222 per the first wire of bar 221, and per bar, second leads
Line 231 is correspondingly connected to second lead 232, in the present embodiment, can pass through the control of touch-control driver element 50, by pin
8 are connected with pin 9, so so that the first wire 221 for being connected to pin 8 is connected with the second wire 231 for being connected to pin 9,
The first lead 222 for being connected to pin 1 is connected to pin 8 by the first wire 221, is connected to the second lead 232 of pin 16
Pin 9 is connected to by the second wire 231, while by the control of touch-control driver element 50 so that be connected to the first of pin 1
Lead 222 is with the sense of current of the second lead 232 for being connected to pin 16 conversely, such so that be connected to pin 8 first is led
Line 221 and be connected to pin 9 the second wire 231 the sense of current conversely, so as to constitute a coil 70, so as to further
Expand touch control detection scope (that is, cause, the white space between the first wire 221 and the second wire 231 is also touched
Control detection or touch-control scanning), so as to enhance touch control detection precision, improve touch-control performance.In the same manner, pin to be caused 1, pin
The sense of current of 16 corresponding first leads 222 and the second lead 232 is conversely, First Line in embodiments thereof and above-mentioned enforcement
Mode one in circle 41 with mode two in the same manner, therefore will not be described here；And the principle of other formation of coils 70 is also identical with this,
Therefore here is no longer gone to live in the household of one's in-laws on getting married, and only need to meet following condition：First wire and the second wire are formed by being applied in contrary electric current
Electric current, for detecting the touch control detection in region between the first wire (the first wire group) and the second wire (the second wire group).Such as
This, further expands touch control detection scope, so as to enhance touch control detection precision, improves touch-control performance.
Preferably, in order to reduce loading and improving touch accuracy, the touch-screen that the specific embodiment of the invention is provided also includes
A plurality of privates, on substrate, and the privates are located between the first wire group and the second wire group；And
A plurality of 4th lead, on substrate, the 4th lead is connected to the privates；Wherein, during electromagnetic touch, any one
The first wire described with any one of privates described in bar is connected, and is correspondingly connected to the institute of any one privates
The sense of current of the sense of current for stating the 4th lead and first lead for being correspondingly connected to any one bar of first wire
On the contrary；Or, any one privates the second wire described with any one is connected, and be correspondingly connected to described arbitrarily
The sense of current of the 4th lead of one article of privates be correspondingly connected to described the of any one bar of second wire
The sense of current of two leads is contrary.It is described in detail below：
As shown in figure 8, the touch-screen that the specific embodiment of the invention is provided includes a plurality of privates on substrate 20
81 and a plurality of the 4th lead 82 being connected with privates 81, every privates 81 correspondingly connect one article of the 4th lead 82, its
In, privates 81 are located between the first wire group 22 and the second wire group 23；When the quantity of privates 81 is more than one
(ratio as shown in Figure 8, be 2 privates 81), what privates 81 can be connected in the way of using jumper the 4th draws
Line 82.
As shown in figure 9, with the bar number of the first wire 221 as two, as a example by the bar number of the first lead 222 is two, specifically
For example, this two first wires 221 are connected to touch-control driver element 50 by pin 3 and pin 4 respectively, this two first
Lead 222 is connected to touch-control driver element 50 by pin 2 and pin 1 respectively；With the bar number of the second wire 231 as two, the
As a example by the bar number of two leads 232 is two, for concrete example, this two second wires 231 are respectively by pin 5 and pin 6
Touch-control driver element 50 is connected to, this two second leads 232 are connected to touch-control driver element by pin 8 and pin 7 respectively
50；As a example by one, the privates 81 are connected to touch-control driver element 50 by pin 9 to the bar number of privates 81, with this
4th lead 82 of the connection of privates 81 by pin 10 or is connected to touch-control driver element 50 by pin 11.In figure it is only
The schematic diagram of touch-control driver element 50, is not offered as actual size and the position of touch-control driver element 50, and GND represents that ground connection is led
Line.
Further, as shown in figure 9, when electromagnetic touch is scanned, by the control of touch-control driver element 50, by pin 9 with
Pin 4 is connected, so so that be connected with the first wire 221 with pin 9 and 4 corresponding privates 81 of pin, and simultaneously logical
Cross the control of touch-control driver element 50 so that the electric current with pin 10,1 corresponding 4th lead 82 of pin and the first lead 222
In opposite direction, so so that be connected to the privates 81 and the sense of current for being connected to 4 first wire 221 of pin of pin 9
Conversely, so as to forming the 4th coil 90.In the same manner, in another kind of way of example, when electromagnetic touch is scanned, driven by touch-control
The control of unit 50, pin 9 is connected with pin 5, so so that respectively with pin 9 and 5 corresponding privates 81 of pin with
Second wire 231 is connected, and simultaneously by the control of touch-control driver element 50 so that corresponding (connection) with pin 11, pin 8
The 4th lead 82 and the second lead 232 the sense of current conversely, so so that be connected to the 4th of pin 9 and pin 5 the
The sense of current of wire 81 and the second wire 231 is also conversely, so as to forming the 4th coil 90.Now, sweeping for a coil is completed
Retouch the description of process, and during electromagnetic touch scanning (electromagnetic touch), be that multiple coils are being scanned successively, in the present embodiment, can be with
Along second direction, other the 4th coils are formed, and carries out electromagnetic touch Scanning Detction, such as, other the 4th coil scannings
When, by the control of touch-control driver element 50, pin 9 is connected with pin 3, thus, corresponding with pin 9 and pin 3 respectively
Privates 81 are connected with the first wire 221, and simultaneously by the control of touch-control driver element 50 so that with pin 10, draw
The sense of current of 2 corresponding 4th lead 82 of pin and the first lead 222 is conversely, so so that be connected to the privates of pin 9
81 and be connected to pin 3 the first wire 221 the sense of current also conversely, so as to form another 4th coil (not shown), with
Reason, the principle of the formation of other the 4th coils are also identical, will not be described here.
In the same manner, the sense of current respectively with pin 10,1 corresponding 4th lead 82 of pin and the first lead 222 be caused
Conversely, or causing respectively with the sense of current of pin 11,8 corresponding 4th lead 82 of pin and the second lead 232 conversely, in fact
Apply the mode one in the first coil 41 (Fig. 4 a- Fig. 4 c) in mode and above-mentioned enforcement with mode two in the same manner, therefore here is no longer
Repeat.
The touch-screen that the specific embodiment of the invention is provided, in addition to it can realize electromagnetic touch, can also realize capacitive touch
Control, specifically, as shown in Figures 2 and 3, during capacitance touch, per the first wire of bar 221 (2211～2213) and per the second wire of bar
231 (2311～2313) are applied in touch drive signal, and every privates 311～313 is applied in touch sensible signal,
Or, touch sensible is applied in per the first wire of bar 221 (2211～2213) and per the second wire of bar 231 (2311～2313)
Signal, every privates 311～313 are applied in touch drive signal；First wire 221 and the second wire 231 are used for examining
Touch location coordinate in a second direction is surveyed, privates 311～313 is used for detecting touch location seat in a first direction
Mark.Wherein, unidirectional electric current is applied in per bar per the first wire of bar 221 and per the second wire of bar 231；And per article the 3rd
Wire 311～313 is applied in direction identical electric current.
Preferably, as shown in Figures 2 and 3, the first wire 2211～2213, the second wire in the specific embodiment of the invention
2311～2313, first lead 2221～2223, the second lead 2321～2323 are located at same layer, privates 311～313,
3rd lead 321～323 is located at another layer.Or, as shown in Figure 10, the first wire 221, second in the specific embodiment of the invention
Wire 231, the first lead 222, the second lead 232, the 3rd lead 32, privates 31 be located at same layer, the first wire 221,
31 mutual insulating of second wire 231 and privates, further, in the first wire 221, the second wire 231 and privates
Jumper (not shown) can be set at 31 overlapping region.
Preferably, as shown in Fig. 8 and Fig. 3, the first wire 221, the second wire 231, first in the specific embodiment of the invention
Lead 222, the second lead 232, the 4th lead 82 and privates 81 are located at same layer；Privates the 311～313, the 3rd draws
Line 321～323 is located at another layer.Or, as shown in figure 11, the first wire 221, the second wire in the specific embodiment of the invention
231st, the first lead 222, the second lead 232, the 3rd lead 32, privates 31, the 4th lead 82 and privates 81 are located at
Same layer.
Specifically, as shown in figure 12.Substrate 20 in the specific embodiment of the invention is color membrane substrates or array base palte (TFT
Array base palte) or cover plate.For example, substrate 20 is array base palte, and the specific embodiment of the invention is only with bottom gate type array base palte
As a example by introduce, array base palte includes the grid 121 on underlay substrate 120, the gate insulator 122 on grid 121,
The semiconductor active layer 123 being located on gate insulator 122, the source electrode 124 and drain electrode 125 on semiconductor active layer 123,
The first insulating barrier 126 being located on source electrode 124 and drain electrode 125, the pixel being connected with drain electrode 125 on the first insulating barrier 126
Electrode 127, the second insulating barrier 128 on pixel electrode 127, and the public electrode on the second insulating barrier 128
129.
As shown in Fig. 2, Fig. 3 and Figure 12, in the embodiment of the present invention, the first wire 2211～2213, the second wire 2311～
2313rd, the first lead 2221～2223, the second lead 2321～2323 can be located at same layer with grid 121, then privates
311～313, the 3rd lead 321～323 can be with source electrode 124 or drain electrode 125 or pixel electrode 127 or common electrical
Pole 129 is located at same layer；In the same manner, the first wire 2211～2213, the second wire 2311～2313, the first lead 2221～
2223rd, the second lead 2321～2323 can be located at same layer with source electrode 124 and drain electrode 125, then privates 311～313, the
Three leads 321～323 can be located at same layer with grid 121 or pixel electrode 127 or public electrode 129；In the same manner,
One wire 2211～2213, the second wire 2311～2313, the first lead 2221～2223, the second lead 2321～2323 can be with
With pixel electrode 127 be located at same layer, then privates 311～313, the 3rd lead 321～323 can with grid 121 or
Source electrode 124 and drain electrode 125 or public electrode 129 are located at same layer；In the same manner, the first wire 2211～2213, the second wire
2311～2313, first lead 2221～2223, the second lead 2321～2323 can be located at same layer with public electrode 129,
Then privates 311～313, the 3rd lead 321～323 can be with grid 121 or source electrode 124 and drain electrode 125 or pictures
Plain electrode 127 is located at same layer.
As shown in Fig. 8, Fig. 3 and Figure 12, in the embodiment of the present invention, the first wire 221, the second wire 231, the first lead
222nd, the second lead 232, the 4th lead and 82 privates 81 can be located at same layer with grid 121, and privates 311～
313rd, the 3rd lead 321～323 can be with source electrode 124 and drain electrode 125 or pixel electrode 127 or public electrode 129
In same layer；First wire 221, the second wire 231, the first lead 222, the second lead 232, the 4th lead 82 and privates
81 can be located at same layer with source electrode 124 and drain electrode 125, and privates 311～313, the 3rd lead 321～323 can be with grid
Pole 121 or pixel electrode 127 or public electrode 129 are located at same layer；First wire 221, the second wire 231, first
Lead 222, the second lead 232, the 4th lead 82 and privates 81 can be located at same layer with pixel electrode 127, and the 3rd leads
Line 311～313, the 3rd lead 321～3232 can with grid 121 or with source electrode 124 and drain electrode 125 or public electrode
129 are located at same layer；First wire 221, the second wire 231, the first lead 222, the second lead 232, the 4th lead 82 and
Four wires 81 can be located at same layer with public electrode 129, and privates 311～313, the 3rd lead 321～323 can be with grid
Pole 121 or source electrode 124 are located at same layer with drain electrode 125 or pixel electrode 127.
As shown in fig. 10 and fig. 12, in the embodiment of the present invention, the first wire 221, the second wire 231, the first lead 222,
Second lead 232, the 3rd lead 32, privates 31 can be with grid 121 or source electrode 124 or drain electrode 125 or pictures
Plain electrode 127 or public electrode 129 are located at same layer.
As is illustrated by figs. 11 and 12, in the embodiment of the present invention, the first wire 221, the second wire 231, the first lead 222,
Second lead 232, the 3rd lead 32, privates 31, the 4th lead 82 and privates 81 can be with grid 121 or sources
Pole 124 or drain electrode 125 or pixel electrode 127 or public electrode 129 are located at same layer.
The specific embodiment of the invention also provides a kind of touch control display apparatus, and including touch-screen, wherein, the touch-screen is adopted
Touch-screen described in any of the above-described kind of embodiment.When the substrate in the touch-screen that the touch control display apparatus include is array base palte
When, touch control display apparatus also include the color membrane substrates being oppositely arranged with array base palte and the cover plate on color membrane substrates.
Specifically for example, in variation 1：As shown in Figure 13 (a), touch control display apparatus include array base palte 130,
The color membrane substrates 131 being oppositely arranged with array base palte 130 and the cover plate 132 on color membrane substrates, the first wire (not shown),
Second wire (not shown), the first lead (not shown), the second lead (not shown) are respectively positioned on the first conductive layer C, privates
(not shown), the 3rd lead (not shown) are located at the second conductive layer D, and the first conductive layer C is located at array base palte 130 towards color film base
The side of plate 131, the second conductive layer D are located at side of the color membrane substrates 131 towards array base palte 130；
In variation 2：As shown in Figure 13 (b), variation 2 is with the difference of variation 1：Second conductive layer D is located at
Side of the color membrane substrates 131 away from array base palte 130；
In variation 3：As shown in Figure 13 (c), variation 3 is with the difference of variation 1：Second conductive layer D is located at
Side of the array base palte 130 away from color membrane substrates 131；
In variation 4：As shown in Figure 13 (d), variation 4 is with the difference of variation 1：Second conductive layer D is located at
Side of the cover plate 132 away from color membrane substrates 131；
In variation 5：As shown in Figure 13 (e), variation 5 is with the difference of variation 1：Second conductive layer D is located at
Cover plate 132 is near the side of color membrane substrates 131.
In variation 6：As shown in Figure 13 (f), variation 6 is with the difference of variation 1：First conductive layer C is located at
Side of the array base palte 130 away from color membrane substrates 131, the second conductive layer D are located at array base palte 130 towards color membrane substrates 131
Side；
In variation 7：As shown in Figure 13 (g), variation 7 is with the difference of variation 6：Second conductive layer D is located at
Side of the color membrane substrates 131 towards array base palte 130；
In variation 8：As shown in Figure 13 (h), variation 8 is with the difference of variation 6：Second conductive layer D is located at
Side of the color membrane substrates 131 away from array base palte 130；
In variation 9：As shown in Figure 13 (i), variation 9 is with the difference of variation 6：Second conductive layer D is located at
Side of the cover plate 132 away from color membrane substrates 131；
In variation 10：As shown in Figure 13 (j), variation 10 is with the difference of variation 6：Second conductive layer D positions
In cover plate 132 near the side of color membrane substrates 131.
In the same manner, as shown in Figure 13 (a)～Figure 13 (j), when the first wire, the second wire, the first lead, the second lead, the
When three leads, privates are located at same conductive layer, the conductive layer is located at side of the array base palte 130 towards color membrane substrates 131,
Or positioned at color membrane substrates 131 towards array base palte 130 side, or positioned at color membrane substrates 131 away from the one of array base palte 130
Side, or positioned at array base palte 130 away from color membrane substrates 131 side, or positioned at cover plate 132 away from color membrane substrates 131 side,
Or positioned at cover plate 132 near the side of color membrane substrates 131.
Lead when the first wire, the second wire, the first lead, the second lead, the 4th lead and privates are respectively positioned on first
Electric layer C, when privates, the 3rd lead are located at the second conductive layer D, when the first conductive layer C is located at array base palte 130 towards color film
During the side of substrate 131, the second conductive layer D is located at side of the color membrane substrates 131 towards array base palte 130, or the second conductive layer D
Side of the color membrane substrates 131 away from array base palte 130 is located at, or the second conductive layer D is located at array base palte 130 away from color membrane substrates
131 side, or the second conductive layer D be located at cover plate 132 away from color membrane substrates 131 side, or the second conductive layer D be located at cover plate
132 near the side of color membrane substrates 131.In the same manner, when the first conductive layer C is located at array base palte 130 away from the one of color membrane substrates 131
During side, the second conductive layer D is located at side of the array base palte 130 towards color membrane substrates 131, or the second conductive layer D is located at color film base
Side of the plate 131 towards array base palte 130, or the second conductive layer D be located at color membrane substrates 131 away from array base palte 130 side,
Or second conductive layer D be located at side of the cover plate 132 away from color membrane substrates 131, or the second conductive layer D is located at cover plate 132 near color
The side of ilm substrate 131, the rest may be inferred for other situations, is not repeated here.When the first wire, the second wire, the first lead,
When second lead, the 3rd lead, privates, the 4th lead and privates are located at same conductive layer, the conductive layer can be with position
In array base palte 130 towards color membrane substrates 131 side, or positioned at color membrane substrates 131 towards array base palte 130 side, or
Be located at color membrane substrates 131 away from array base palte 130 side, or positioned at array base palte 130 away from color membrane substrates 131 side,
Or positioned at cover plate 132 away from color membrane substrates 131 side, or positioned at cover plate 132 near the side of color membrane substrates 131.Other feelings
The rest may be inferred for condition, is not repeated here.
A kind of touch-screen of present invention offer, touch control display apparatus are at least up to one of following technique effect：
A kind of touch-screen that the present invention is provided, by being arranged parallel to a plurality of first wire and a plurality of second of first direction
Wire, and be connected to the first lead of the first wire and be connected to the second lead of the second wire respectively positioned at the viewing area
Both sides, so so that the border width of touch-screen reduces, and increases touch-control area, have been at least up to narrow frame, have improved touch-control effect
The technique effect of fruit；Also, further, can be provided with privates between the first wire group and the second wire group, and
The 4th coil is formed further, thus, touch-control area further can be increased, touch accuracy is improved, touch-control performance is improved, and
And, in the embodiment of the present invention, capacitance touch can integrally prepare (that is, the first to the privates of capacitance touch with electromagnetic touch
The first to the privates to form electromagnetic touch can be multiplexed), thus, further reducing the thickness of touch-screen.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and set.So, if these modifications of the present invention and modification belong to the set of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of touch-screen, including：
Substrate, including viewing area；
First wire group, on the substrate, the first wire group includes a plurality of the first wire parallel to first direction；
Second wire group, on the substrate, the second wire group includes a plurality of the second wire parallel to first direction；
And
A plurality of privates parallel to second direction；
Wherein, correspondingly connect first lead per one first wire；Correspondingly connect one second per one second wire to draw
Line, first lead and the second lead are located at the both sides of the viewing area respectively, and each privates correspondingly connects one
3rd lead；
During electromagnetic touch, any two first wires are connected, and are correspondingly connected to two articles of any two article of first wire the
The sense of current of one lead is conversely, forming first coil；Any two second wires are connected, and are correspondingly connected to described any
The sense of current of two second leads of two second wires is conversely, forming the second coil；Any two privates are connected,
And the sense of current of two article of the 3rd lead of any two articles of privates is correspondingly connected to conversely, to form tertiary coil,
The first coil and the second coil are used for detecting that touch location coordinate in a second direction, the tertiary coil are used for detecting
Touch location coordinate in a first direction.
2. touch-screen according to claim 1, it is characterised in that
During capacitance touch, described be applied in touch drive signal per one first wire and per one second wire, described per one
Three wires are applied in touch sensible signal, or, described touch sense is applied in per one first wire and per one second wire
Induction signal, each privates are applied in touch drive signal, and wherein, first wire and the second wire are used for examining
Touch location coordinate in a second direction is surveyed, the privates is used for detecting touch location coordinate in a first direction.
3. touch-screen according to claim 1, it is characterised in that
During electromagnetic touch, two first wires for forming the first coil are non-conterminous；Form the two of second coil
Described in bar, the second wire is non-conterminous.
4. touch-screen according to claim 1, it is characterised in that
During electromagnetic touch, two privates for forming the tertiary coil are non-conterminous.
5. touch-screen according to claim 1, it is characterised in that first wire, second wire, described first
Lead, second lead are located at same layer, and the privates, the 3rd lead are located at another layer.
6. touch-screen according to claim 1, it is characterised in that first wire, second wire, described first
Lead, second lead, the 3rd lead, privates are located at same layer.
7. touch-screen according to claim 1, it is characterised in that also include
A plurality of privates, on substrate, and the privates are located between the first wire group and the second wire group；
And
A plurality of 4th lead, on substrate, the 4th lead is connected to the privates；Wherein,
During electromagnetic touch, any one privates the first wire described with any one is connected, and is correspondingly connected to institute
State any one article of privates the 4th lead the sense of current be correspondingly connected to any one bar of first wire
The sense of current of first lead is contrary；
Or, any one privates the second wire described with any one is connected, and be correspondingly connected to described arbitrarily
The sense of current of the 4th lead of one article of privates be correspondingly connected to described the of any one bar of second wire
The sense of current of two leads is contrary.
8. touch-screen according to claim 7, it is characterised in that first wire, second wire, described first
Lead, second lead, the 4th lead and the privates are located at same layer, the privates, the described 3rd
Lead is located at another layer.
9. touch-screen according to claim 7, it is characterised in that first wire, second wire, described first
Lead, second lead, the 3rd lead, privates, the 4th lead and the privates are located at same layer.
10. a kind of touch control display apparatus, it is characterised in that the touch control display apparatus include any one of claim 1-9 institute
The touch-screen that states.
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| CN104484071B (en) * | 2014-12-25 | 2018-01-02 | 上海天马微电子有限公司 | A kind of contact panel and contactor control device and its driving method |
| JP6605292B2 (en) * | 2015-10-16 | 2019-11-13 | 株式会社ジャパンディスプレイ | Display device |
| JP6704802B2 (en) * | 2016-06-10 | 2020-06-03 | 株式会社ジャパンディスプレイ | Input detection device and electronic device |
| JP6792506B2 (en) * | 2017-04-18 | 2020-11-25 | 株式会社ジャパンディスプレイ | Display device |
| CN108874255B (en) * | 2018-06-29 | 2021-08-03 | 上海天马微电子有限公司 | Array substrate and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470562A (en) * | 2007-12-28 | 2009-07-01 | 株式会社和冠 | Position detecting device |
| CN103902132A (en) * | 2014-03-20 | 2014-07-02 | 京东方科技集团股份有限公司 | Inductance-type touch screen, display panel and display device |
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| TWI403937B (en) * | 2010-06-03 | 2013-08-01 | Au Optronics Corp | Touch display device and touch display substrate thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470562A (en) * | 2007-12-28 | 2009-07-01 | 株式会社和冠 | Position detecting device |
| CN103902132A (en) * | 2014-03-20 | 2014-07-02 | 京东方科技集团股份有限公司 | Inductance-type touch screen, display panel and display device |
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