CN104035638B - Touch electrode structure, touch panel, display device and touch point positioning method - Google Patents
Touch electrode structure, touch panel, display device and touch point positioning method Download PDFInfo
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- CN104035638B CN104035638B CN201410227990.2A CN201410227990A CN104035638B CN 104035638 B CN104035638 B CN 104035638B CN 201410227990 A CN201410227990 A CN 201410227990A CN 104035638 B CN104035638 B CN 104035638B
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Abstract
The embodiment of the invention discloses a touch electrode structure, a touch panel, a display device and a touch point positioning method. The touch electrode structure comprises a plurality of first touch electrodes, a plurality of second touch electrodes and a plurality of third touch electrodes, wherein all the first touch electrodes and all the second touch electrodes are arranged in parallel at intervals, the third touch electrodes and the first touch electrodes are arranged in a crossed mode, and the third touch electrodes and the second touch electrodes are arranged in a crossed mode; the first touch electrodes, the second touch electrodes and the third touch electrodes are electrically insulated from one another. The touch panel and the display device respectively comprise the touch electrode structure. Through the touch electrode structure, the touch panel, the display device and the touch point positioning method, the touch time can be shortened, the display time can be prolonged, and the display effect can be improved.
Description
Technical field
The present invention relates to technical field of touch control, more particularly, to a kind of touch electrode structure, contact panel, display device and fixed
The method of position touch point.
Background technology
Mutual capacitance touch screen is also called mutual capacitance touchscreens, is a kind of vicariouss liquid crystal receiving the input signals such as contact
Display device, when user clicks on the graphic button on mutual capacitance touch screen, the touch-control feedback system on mutual capacitance touch screen can
Formula according to preprogramming drives various hookup mechanisms, and produces lively visual and sound effects by liquid crystal display picture.
Mutual capacitance touch screen adopts touch electrode structure to position touch point.As shown in figure 1, touch electrode structure includes being tactile
Control drive electrode and touch-control sensing electrode, wherein, Xj and Xj+1 is touch-control drive electrode, Yi and Yi+1 is touch-control sensing electrode.
When finger contacts, the mutual capacitance and the touch-control drive electrode of touch point opposite position and touch-control sensing electrode between changes,
Such that it is able to position touch point.
At present, by frequency, frame frequency (Tearing Effect, the TE) signal for 60Hz controls the aobvious of mutual capacitance touch screen
Show time and the touch-control time of positioning touch point, timesharing drives touch-control drive electrode positioning touch point.Show the time in 1 frame frequency
As shown in Figure 2 with the distribution situation of touch-control time.M touch-control drive electrode and N are carried with the mutual capacitance touch screen of certain size
Illustrate as a example individual touch-control sensing electrode, need to drive M touch-control drive electrode respectively within the touch-control time, drive each to touch
The time of control drive electrode is T, then the time driving all touch-control drive electrodes altogether is M*T.Chi with mutual capacitance touch screen
Very little increase, touch-control drive electrode quantity M increases, and touching display screen itself RC delays (RC Dealy) increase, and make
Obtain T-phase strain big, need to become big total time t=T*M touch-control time, therefore can take the time of display, impact mutual capacitance touch-control
The display effect of screen.
Content of the invention
For solving the above problems, the embodiment of the present invention provides a kind of touch electrode structure, including：
Multiple first touch control electrode, multiple second touch control electrode and multiple 3rd touch control electrode；
Wherein, each described first touch control electrode is parallel with second touch control electrode each described and interval setting, and described
Three touch control electrode are arranged in a crossed manner with described first touch control electrode, and described 3rd touch control electrode is intersected with described second touch control electrode
Setting；
It is electrically insulated between described first touch control electrode, described second touch control electrode and described 3rd touch control electrode.
The embodiment of the present invention provides a kind of contact panel, including：
Transparent substrates；With
Above-mentioned touch electrode structure in described transparent substrates.
The embodiment of the present invention provides a kind of display device, including：
Touch electrode structure described above, transparent substrates, drive module, the first induction module, the first locating module, second
Induction module and the second locating module；
Described drive module, simultaneously drives each first touch control electrode or each second touch control electrode, described second touch-control
Electrode is not surrounded by described first touch control electrode；
Described first induction module, senses the first ginseng between described first touch control electrode and described second touch control electrode
Number；
Described first locating module, according to described first parameter, positions described first touch control electrode being triggered and/or quilt
The described second touch control electrode of triggering, and record the described first touch control electrode coordinate being triggered and/or be triggered described the
The coordinate of two touch control electrode；
Described second induction module, senses described first touch control electrode or described second touch control electrode and the 3rd touch control electrode
Between the second parameter；
Described second locating module, according to described second parameter, positions the 3rd touch control electrode being triggered, and records and touched
The coordinate of described 3rd touch control electrode sent out.
The embodiment of the present invention provides another kind of display device, including：
Touch electrode structure described above, transparent substrates, drive module, the first induction module, the first locating module, second
Induction module and the second locating module, wherein,
Described drive module, simultaneously drives each the first touch control electrode, and each described first touch control electrode surrounds one the
Two touch control electrode；
Described first induction module, senses the first ginseng between described first touch control electrode and described second touch control electrode
Number；
Described first locating module, according to described first parameter, positions described first touch control electrode being triggered, and records
The described first touch control electrode coordinate being triggered；
Described second induction module, senses the second parameter between described first touch control electrode and the 3rd touch control electrode；
Described second locating module, according to described second parameter, positions described 3rd touch control electrode being triggered, and records
The coordinate of described 3rd touch control electrode being triggered.
The embodiment of the present invention provides a kind of method of positioning touch point to include：
Simultaneously drive each first touch control electrode or second touch control electrode, described second touch control electrode is not touched by described first
Control electrodes surrounding；
Sense the first parameter between described first touch control electrode and described second touch control electrode；
According to described first parameter, position described first touch control electrode being triggered and/or described second touching of being triggered
Control electrode, and record the coordinate of the described first touch control electrode coordinate being triggered and/or the described second touch control electrode being triggered；
Sense the second parameter between described first touch control electrode or described second touch control electrode and the 3rd touch control electrode；
According to described first parameter and described second parameter, position described first touch control electrode being triggered or be triggered
Described second touch control electrode and described 3rd touch control electrode being triggered, and record the seat of described first touch control electrode being triggered
Mark or the coordinate of the described second touch control electrode being triggered and described 3rd touch control electrode being triggered.
The method that the embodiment of the present invention provides another kind of positioning touch point, including：
Simultaneously drive each the first touch control electrode, each described first touch control electrode surrounds a second touch control electrode；
Sense the first parameter between described first touch control electrode and described second touch control electrode；
According to described first parameter, position described first touch control electrode being triggered, and record described first being triggered
Touch control electrode coordinate；
Sense the second parameter between described first touch control electrode and described 3rd touch control electrode；
According to described first parameter and described second parameter, position described first touch control electrode being triggered or be triggered
Described second touch control electrode and described 3rd touch control electrode being triggered, and record the seat of described first touch control electrode being triggered
Mark or the coordinate of the described second touch control electrode being triggered and described 3rd touch control electrode being triggered.
A kind of touch electrode structure provided in an embodiment of the present invention, the side of contact panel, display device and positioning touch point
Method, has the advantages that：
Increased and the first touch control electrode quantity identical second touch control electrode, can only pass through to drive the first touch control electrode
Or the second touch control electrode do not surrounded by the first touch control electrode, detect between the first touch control electrode and second touch control electrode simultaneously
First mutual capacitance, between the first touch control electrode or the second touch control electrode do not surrounded by the first touch control electrode and the 3rd touch control electrode
The second mutual capacitance, Primary Location touch point position.And further the first touch control electrode or can not driven by rough location
The second touch control electrode surrounded by the first touch control electrode, detects the 3rd mutual capacitance of itself and the 3rd touch control electrode, is accurately positioned tactile
Control point position.Using small number of first touch control electrode therefore in large-size screen, reduce and drive the first touch control electrode
Time, thus extending the display time, improve mutual capacitance touch screen display effect.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is touch electrode structure schematic diagram of the prior art；
Fig. 2 is the distribution schematic diagram showing time and touch-control time in prior art；
Fig. 3 (a) is a kind of touch electrode structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 (b) is a kind of touch electrode structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of touch electrode structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 (a) is a kind of touch electrode structure top view provided in an embodiment of the present invention；
Fig. 5 (b) is a kind of touch electrode structure profile provided in an embodiment of the present invention；
Fig. 6 (a) is a kind of touch electrode structure top view provided in an embodiment of the present invention；
Fig. 6 (b) is a kind of touch electrode structure profile provided in an embodiment of the present invention；
Fig. 7 is a kind of touch panel structure provided schematic diagram provided in an embodiment of the present invention；
Fig. 8 (a) is a kind of display device structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 (b) is a kind of display device structure schematic diagram provided in an embodiment of the present invention；
Fig. 9 is a kind of method flow schematic diagram of positioning touch point provided in an embodiment of the present invention；
Figure 10 is a kind of method flow schematic diagram of positioning touch point provided in an embodiment of the present invention；
Figure 11 is a kind of method flow schematic diagram of positioning touch point provided in an embodiment of the present invention；
Figure 12 is a kind of method flow schematic diagram of positioning touch point provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into the scope of protection of the invention.
From background technology, M the first touch control electrode and N number of touch-control sense are carried with the mutual capacitance touch screen of certain size
Illustrate as a example answering touch control electrode, need to drive respectively M the first touch control electrode within the touch-control time, drive each first to touch
The time of control electrode is T, then the time driving all first touch control electrode altogether is M*T.Size with mutual capacitance touch screen increases
Greatly, the first touch control electrode quantity M increases, and touching display screen itself RC delays (RC Dealy) increase so that T-phase
Strain is big, needs to become big total time t=T*M touch-control time, therefore can take the time of display, affect the aobvious of mutual capacitance touch screen
Show effect.
In view of this, embodiments provide a kind of touch electrode structure, contact panel, display device and positioning to touch
The method of control point, to solve, because the touch-control time is long in 1 frame frequency, to cause the display time to shorten, thus affecting mutual capacitance touch-control
The technical problem of the display effect of screen.Illustrate especially by following examples.Embodiments provide a kind of touch-control
Electrode structure, such as shown in Fig. 3 (a), multiple first touch control electrode 31, multiple second touch control electrode 32 and multiple 3rd touch control electrode
33；Wherein, each first touch control electrode 31 is parallel with each second touch control electrode 32 and interval setting, the 3rd touch control electrode 33 with
First touch control electrode 31 is arranged in a crossed manner, and the 3rd touch control electrode 33 is arranged in a crossed manner with second touch control electrode 32；First touch control electrode
31st, it is electrically insulated between second touch control electrode 32 and the 3rd touch control electrode 33.
In above-mentioned touch electrode structure, such as shown in Fig. 3 (a), X1 is the first touch control electrode 31, and Z1 is second touch control electrode
32, Y1, Y2 and Y3 is the 3rd touch control electrode 33, and wherein, the first touch control electrode 31 and second touch control electrode 32 are linear type.
Need to illustrate, the corresponding second touch control electrode that be arranged in parallel of each first touch control electrode, each two
It is spaced a second touch control electrode between first touch control electrode.First touch control electrode, second touch control electrode and the 3rd touch control electrode
Between be filled with insulant, realize between the first touch control electrode and second touch control electrode electric insulation, the first touch control electrode and the
It is electrically insulated between three touch control electrode, between second touch control electrode and the 3rd touch control electrode.
The embodiment that the present invention provides compared with prior art, be increased and touched with the first touch control electrode quantity identical second
Control electrode, can only pass through the second touch control electrode driving the first touch control electrode or not surrounded by the first touch control electrode, examine simultaneously
Survey the first parameter between the first touch control electrode and second touch control electrode, the first touch control electrode or do not surrounded by the first touch control electrode
Second touch control electrode and the 3rd touch control electrode between the second parameter, Primary Location touch point position.And can be further
By the second touch control electrode driving the first touch control electrode being triggered successively or be triggered and do not surrounded by the first touch control electrode,
Detect itself the 3rd parameter and the 3rd touch control electrode between, be accurately positioned touch point position.Therefore make in large-size screen
With small number of first touch control electrode, reducing the time driving the first touch control electrode, thus extending the display time, improving mutually electricity
Hold the display effect of touch screen.
In actual applications, the first touch control electrode, second touch control electrode and the 3rd touch control electrode can be arranged on same layer
It is also possible to be located in different levels in level.As shown in Fig. 3 (a), the first touch control electrode 31 and second touch control electrode 32 are arranged at
In one level, the 3rd touch control electrode 33 is arranged in the second level.Every one the 3rd touch control electrode 33 includes multistage, quilt between each section
First touch control electrode 31 and second touch control electrode 32 separate, between each section the via 34 by being arranged in the first level carry out across
Bridging connects.First touch control electrode 31, second touch control electrode 32, the 3rd touch control electrode 33 are in same layer.For another Fig. 3 (b) Suo Shi,
First touch control electrode 31 and second touch control electrode 32 are located at the first level, and the 3rd touch control electrode 33 is located at the second level, the second layer
Level is oppositely arranged with the first level.First touch control electrode 31, second touch control electrode 32 are linear type.
Further, for increasing the mutual capacitance between the first touch control electrode and second touch control electrode, improve positioning touch point
Accuracy, the first touch control electrode and second touch control electrode also can be for nonlinear type so that the first touch control electrode be electric with the second touch-control
Mutual capacitance between pole be more than the first touch control electrode and second touch control electrode cabling be linear in the case of mutual capacitance.
The embodiment of the present invention provides another kind of touch electrode structure, as shown in figure 4, wherein, X1 and X2 is the first touch-control electricity
Pole 41, Z1 and Z2 is second touch control electrode 42, Y1 and Y2 is the 3rd touch control electrode 43.First touch control electrode 41 and the second touch-control electricity
Pole 42 is nonlinear type it is preferable that a few type-word types of the first touch control electrode 41 and second touch control electrode 42, second touch control electrode 42
The direction vertical with its bearing of trend is provided with protuberance, each first touch control electrode 41 is recessed around second touch control electrode 42
Sunken portion is extended with protuberance, forms several font structures.Multiple 3rd touch control electrode 43 are intersected with multiple second touch control electrodes 42 and are set
Put.So that mutual capacitance between the first touch control electrode 41 and second touch control electrode 42 is more than the two in the case of linear
Mutual capacitance.
For shield further positioning touch point during the interference to the 3rd touch control electrode for the second touch control electrode, improve judge
Whether the first touch control electrode is the sensitivity of first touch control electrode corresponding with touch point position.Can be in the electricity of touch-control shown in Fig. 4
On the basis of the structure of pole, the first touch control electrode for several font structures is surrounded with the second touch control electrode of jog.
Embodiments provide another kind of touch electrode structure, shown in such as Fig. 5 (a) and 5 (b), Fig. 5 (a) is touch-control
Electrode structure top view, the touch electrode structure profile that Fig. 5 (b) cuts along Section line AA1 for Fig. 5 (a).As shown in Fig. 5 (a)
Each first touch control electrode 51 surrounds a second touch control electrode 52, the 3rd touch control electrode 53 and the first touch control electrode 51 and second
Touch control electrode 52 is arranged in a crossed manner.As shown in Fig. 5 (b), the first touch control electrode 51 and second touch control electrode 52 are arranged at the first level
54, each first touch control electrode 51 surrounds a second touch control electrode 52；3rd touch control electrode 53 is arranged at the second level 55, the
One level 54 is oppositely arranged with the second level 55.By layering setting the first touch control electrode, second touch control electrode and the 3rd touch-control
Electrode can reduce the interference between the first touch control electrode, second touch control electrode and the 3rd touch control electrode, improves positioning touch point
Accuracy.
In addition, the embodiment of the present invention provides another kind of touch electrode structure, wherein, the first touch control electrode, the second touch-control electricity
Pole, the 3rd touch control electrode are located at same layer.As shown in Fig. 6 (a) and 6 (b), Fig. 6 (a) is touch electrode structure top view, Fig. 6
B touch electrode structure profile that () cuts along Section line BB1 for Fig. 6 (a).Each first touch control electrode 61 surrounds one second
Touch control electrode 62, the first touch control electrode 61, second touch control electrode 62 and the 3rd touch control electrode 63 are arranged on same layer, and the 3rd touches
Control electrode 63 is divided into multistage, is connected by bridge between each section of the 3rd touch control electrode 63.And, the first touch control electrode 61, second
It is filled with megohmite insulant so that the first touch control electrode 61, second touch control electrode between touch control electrode 62 and the 3rd touch control electrode 63
62 and the 3rd electric insulations between touch control electrode 63 are it is ensured that accurately between measurement the first touch control electrode 61 and second touch control electrode 62
The second parameter between first parameter and the first touch control electrode 61 and the 3rd touch control electrode 63, such that it is able to be accurately positioned touch-control
Point.
Need illustrate, in addition to both the above level set-up mode, the first touch control electrode, second touch control electrode and
3rd touch control electrode can also be respectively arranged at different layers, and the first touch control electrode is located at second touch control electrode place level and the 3rd
Between the level of touch control electrode place, here is omitted.
Above-mentioned several touch electrode structure, as just a kind of example, should not constitute the limit to the embodiment of the present invention
System.
The embodiment of the present invention additionally provides a kind of contact panel, as shown in fig. 7, comprises：Transparent substrates 71 and be located at transparent
Any one touch electrode structure 72 as disclosed in above-described embodiment on substrate.Transparent substrates 71 can be glass substrate, organic
Plastic, flexible substrate etc..
Disclosed in the embodiment of the present invention " positioned at ", both included both and be located immediately at, that is, both directly contacts, had also included two
Person interval is located at behind at least one of which intermediate layer indirectly, i.e. both mediate contacts.
By contact panel a kind of disclosed in the embodiment of the present invention, not only there is good light transmittance, and can be logical
Cross the position that the touch electrode structure being located in transparent substrates accurately judges touch point.
In the prior art, when finger touches on mutual capacitance touchscreens, due to the presence of human body electric field, user and touching
Touch screen surfaces to be formed with a coupled capacitor, electric capacity is direct conductor, and then finger siphons away the electric current of a very little from contact point,
Thus causing coupled capacitor to change, the variable quantity of detection coupled capacitor, you can touch point is positioned on mutual capacitance touchscreens.
According to above-mentioned principle, the embodiment of the present invention provides a kind of display device, and display device can be mutual capacitance touchscreens.
As shown in Fig. 8 (a), display device includes：Touch electrode structure, transparent substrates, drive module 81, the first induction module 82,
Two induction modules 83, the first locating module 84 and the second locating module 85.
In embodiments of the present invention, touch electrode structure includes：First touch control electrode, second touch control electrode and the 3rd touch-control
Electrode.First touch control electrode X1, X2 and second touch control electrode Z1, Z2 be arranged in parallel.
Specifically, drive module 81, are used for simultaneously driving each first touch control electrode X1, X2 or each second touch control electrode
Z1, Z2, second touch control electrode Z1, Z2 is not surrounded by the first touch control electrode X1, X2；First induction module 82, for sensing first
The first parameter between touch control electrode X1, X2 and second touch control electrode Z1, Z2；First locating module 83, for according to the first ginseng
Number, positioning the first touch control electrode being triggered and/or the second touch control electrode being triggered, and record the first touch-control electricity being triggered
Polar coordinate and/or the coordinate of the second touch control electrode being triggered；Second induction module 84, for sense the first touch control electrode X1,
The second parameter between X2 or second touch control electrode Z1, Z2 and the 3rd touch control electrode Y1, Y2；Second locating module 85, for according to
According to the second parameter, position the 3rd touch control electrode being triggered, and record the coordinate of the 3rd touch control electrode being triggered.
"and/or" of the present invention represents and both can take one of both it is also possible to both take altogether, and such as " record is triggered
The first touch control electrode coordinate and/or the second touch control electrode being triggered coordinate " represent and can individually record the being triggered
One touch control electrode coordinate, the coordinate of the second touch control electrode being individually triggered, or record the first touch-control electricity being triggered simultaneously
Polar coordinate and the coordinate of the second touch control electrode being triggered.
Drive module 81 can be used for driving can be arbitrary in the first touch control electrode and second touch control electrode, will be driven
Person as drive electrode, another as induction electrode.
First induction module 82 can be used for, and obtains default 4th parameter, relatively default 4th parameter and the first ginseng
Number, if the first parameter is more than or equal to default 4th parameter, positioning the first touch control electrode or second touch control electrode is to be touched
The first touch control electrode sent out or the second touch control electrode being triggered；If the first parameter is less than default 4th parameter, first touches
Control electrode or second touch control electrode are not triggered.
Second induction module 83 can be used for, and obtains default 5th parameter；Relatively default 5th parameter and the second ginseng
Number；If the second parameter is more than or equal to default 5th parameter, positioning the 3rd touch control electrode is the 3rd touch-control electricity being triggered
Pole；If the second parameter is less than default 5th parameter, the 3rd touch control electrode is not triggered.
When display device is for mutual capacitance touchscreens, above-mentioned default 4th parameter, default 5th parameter, the first ginseng
Number, the second parameter can be mutual capacitance parameters.By a kind of display device provided in an embodiment of the present invention, it is provided with and touches with first
The suitable second touch control electrode of control number of electrodes, using small number of first touch control electrode therefore in large-size screen,
Reducing the time driving the first touch control electrode, thus extending the display time, improving the display effect of mutual capacitance touch screen.
For improving the accuracy of positioning touch point or the appearance avoiding ghost point in multi-point touch further,
Preferably, drive module 81, can also sit according to first touch control electrode being triggered of the first locating module record
Mark, drives the first touch control electrode being triggered successively；
Second induction module 83, can also sense the 3rd ginseng between the first touch control electrode being triggered and the 3rd touch control electrode
Number；
Second locating module 85, can also position the first touch control electrode being triggered and is triggered according to the 3rd parameter
The 3rd touch control electrode, and the coordinate recording the first touch control electrode being triggered with the 3rd touch control electrode being triggered.
Specific second locating module 85, obtains default 6th parameter, and relatively default 6th parameter and the 3rd ginseng
Number；If the 3rd parameter is more than or equal to default 6th parameter, position the first touch control electrode being triggered or be triggered the
Two touch control electrode and the 3rd touch control electrode being triggered.Need to illustrate, when display device is for mutual capacitance touchscreens,
Default 6th parameter and the 3rd parameter can be mutual capacitance parameters.
By a kind of display device provided in an embodiment of the present invention, after touch electrode structure carries out to touch point just positioning,
Pass through further to drive the first touch control electrode being triggered successively or be triggered and do not touched by the second of the first touch control electrode encirclement
Control electrode, detects the 3rd parameter of itself and the 3rd touch control electrode, is accurately positioned touch point position, thus improve positioning touch point
Accuracy.
First touch control electrode is surrounded to the touch electrode structure of second touch control electrode, because the first touch control electrode is to second
Touch control electrode has shielding action, and the first touch control electrode therefore can only be driven to complete the positioning of touch point.
The embodiment of the present invention additionally provides a kind of display device, such as shown in Fig. 8 (b), including touch electrode structure, transparent lining
Bottom, drive module 81, the first induction module 82, the second induction module 83, the first locating module 84 and the second locating module 85.
Wherein, touch electrode structure includes, and first touch control electrode X1, X2 ... Xm-1, Xm (m be positive integer), second touches
Control electrode Z1, Z2 ... Zm-1, Zm and the 3rd touch control electrode Y1, Y2 ... Yn-1, Yn (n is positive integer), each first touch-control
One second touch control electrode of electrodes surrounding.
Drive module 81, is used for simultaneously driving each first touch control electrode X1, X2 ... Xm-1, Xm；First induction module
82, for sensing between first touch control electrode X1, X2 ... Xm-1, Xm and second touch control electrode Z1, Z2 ... Zm-1, Zm
One parameter；First locating module 84, for according to the first parameter, positioning the first touch control electrode being triggered, and records and is triggered
The first touch control electrode coordinate；Second induction module 83, sensing first touch control electrode X1, X2 ... Xm-1, Xm and the 3rd touch-control
The second parameter between electrode Y1, Y2 ... Yn-1, Yn；Second locating module 84, for according to the second parameter, positioning is triggered
The 3rd touch control electrode, and record the coordinate of the 3rd touch control electrode being triggered.
By a kind of display device provided in an embodiment of the present invention, it is provided with second suitable with the first touch control electrode quantity
Touch control electrode, using small number of first touch control electrode therefore in large-size screen, reduces and drives the first touch control electrode
Time, thus extending the display time, improve mutual capacitance touch screen display effect.
For improving the accuracy of detection or the appearance avoiding ghost point in multi-point touch further, provided in an embodiment of the present invention
In a kind of display device, drive module 81, can be also used for the first touch-control electricity being triggered according to the first locating module record
Polar coordinate, drive the first touch control electrode being triggered successively；Second induction module 83, can be also used for sensing first being triggered
The 3rd parameter between touch control electrode and the 3rd touch control electrode；Second locating module 84, can be also used for according to the 3rd parameter, positioning
The first touch control electrode being triggered and the 3rd touch control electrode being triggered, and record the first touch control electrode being triggered and touched
The coordinate of the 3rd touch control electrode sent out.
By a kind of display device provided in an embodiment of the present invention, after touch electrode structure carries out to touch point just positioning,
Pass through further to drive the first touch control electrode being triggered successively, detect the 3rd parameter of itself and the 3rd touch control electrode, accurately fixed
Position touch point position, thus improve the accuracy of positioning touch point.
In each embodiment above-mentioned, drive module 81, the first induction module 82, the second induction module 83, first position
Module 84 and the second locating module 85 can be with integrated circuit modules it is also possible to be formed on contact panel 80, certainly, above-mentioned correspondence
Relation, as just a kind of example, should not constitute the restriction to the embodiment of the present invention.
In actual applications, contact panel can be placed in display floater for display device disclosed in above-described embodiment,
Display floater can be display panels or OLED is (Organic Electroluminesence Display, You Jifa
Optical diode) display floater, it would however also be possible to employ contact panel (is embedded into the side in liquid crystal pixel by In-cell touching display screen
Method), On-cell (touch screen is embedded into the method between the colored filter substrate of display screen and polaroid) touching display screen,
Wherein In-cell touching display screen and On-cell touching display screen contact panel part are integrated with liquid crystal panel realization, not only
Avoid reflection external light, and realize slimming and the lightweight of panel.
Embodiments provide a kind of method that display device as shown in Fig. 8 (a) positions touch point, based on above-mentioned
Display device disclosed in embodiment, as shown in figure 9, include：
Step S901, simultaneously drives each first touch control electrode or second touch control electrode, and second touch control electrode is not by first
Touch control electrode is surrounded.
Step S902, the first parameter between sensing the first touch control electrode and second touch control electrode.
Step S903, according to described first parameter, positions the first touch control electrode being triggered and/or second touching of being triggered
Control electrode, and record the coordinate of the first touch control electrode coordinate being triggered and/or the second touch control electrode being triggered.
In step S903, according to the first parameter, positioning the first touch control electrode being triggered and/or second touching of being triggered
Control electrode detailed process be：
First, obtain default 4th parameter；
Secondly, default 4th parameter and the first parameter are compared；
Finally, if the first parameter is more than or equal to default 4th parameter, the first touch control electrode or the second touch-control are positioned
Electrode is the first touch control electrode being triggered and/or the second touch control electrode being triggered.
Step S904, the second parameter between sensing the first touch control electrode or second touch control electrode and the 3rd touch control electrode.
Step S905, according to the first parameter and the second parameter, positioning the first touch control electrode being triggered or be triggered the
Two touch control electrode and the 3rd touch control electrode being triggered, and record the coordinate of the first touch control electrode being triggered or be triggered the
The coordinate of two touch control electrode and the 3rd touch control electrode being triggered.
In step S905, according to the second parameter, position the 3rd touch control electrode being triggered and specifically include：
First, obtain default 5th parameter；
Then, default 5th parameter and the second parameter are compared；
Finally, if the second parameter is more than or equal to default 5th parameter, positioning the 3rd touch control electrode is triggered
3rd touch control electrode.
The present invention provides a preferred embodiment, for improving the precision of positioning touch point, after the step of s 905, judges current
Whether touch-control is continuous touch-control, and detailed process includes：
First, calculate the displacement between the coordinate of current touch point and the coordinate of the front touch point once recording；
Then, displacement and displacement threshold value are compared, when displacement is less than displacement threshold value, then for continuous touch-control；When displacement is more than
Or when being equal to displacement threshold value, then for discontinuous touch-control.
May determine that whether the touch-control occurring on the display apparatus is continuous touch-control by the embodiment that the present invention provides, carry
The high precision of positioning touch point.
By the method for positioning touch point a kind of disclosed in the embodiment of the present invention, it is provided with and the first touch control electrode quantity phase
When second touch control electrode, using small number of first touch control electrode therefore in large-size screen, reduce driving first
The time of touch control electrode, thus extending the display time, improve the display effect of mutual capacitance touch screen.
A kind of method of positioning touch point of the embodiment of the present invention, step S1001-1005 and step in above-described embodiment
S901-905 is identical, also includes on the basis of the method positioning touch point disclosed in above-described embodiment：
Step S1006, drives the first touch control electrode being triggered or the second touch control electrode that is triggered successively；
Step S1007, senses between powered first touch control electrode or second touch control electrode and the 3rd touch control electrode
3rd parameter；
Step S1008, according to the 3rd parameter, positioning the first touch control electrode being triggered or the second touch control electrode being triggered
With the 3rd touch control electrode being triggered, and record the coordinate of the first touch control electrode being triggered or the second touch control electrode being triggered
Coordinate with the 3rd touch control electrode being triggered.
In step S1008, position the coordinate of the first touch control electrode being triggered or by the first touch control electrode encirclement
Second touch control electrode and the 3rd touch control electrode being triggered include：
First, obtain default 6th parameter；
Then, default 6th parameter and the 3rd parameter are compared；
If the 3rd parameter be more than or equal to default 6th parameter, position the coordinate of the first touch control electrode being triggered or
The second touch control electrode do not surrounded by the first touch control electrode and the 3rd touch control electrode being triggered.
Additionally, in the case that second touch control electrode provided in an embodiment of the present invention is not surrounded by the first touch control electrode,
Position the coordinate of the first touch control electrode that is triggered or the second touch control electrode do not surrounded by the first touch control electrode and be triggered
Can also include after 3rd touch control electrode：Judge whether current touch-control is continuous touch-control.Specifically, including：
First, calculate the displacement between the coordinate of current touch point and the coordinate of the front touch point once recording；
Then, displacement and displacement threshold value are compared, when displacement is less than displacement threshold value, then for continuous touch-control；When displacement is more than
Or when being equal to displacement threshold value, then for discontinuous touch-control.
By a kind of method of positioning touch point provided in an embodiment of the present invention, can be after touch-control occur, can be only logical
First touch control electrode of overdriving or by first touch control electrode surround second touch control electrode, detect simultaneously the first touch control electrode with
The first mutual capacitance between second touch control electrode and the first touch control electrode or the second touch-control electricity not surrounded by the first touch control electrode
Pole and the second mutual capacitance of the 3rd touch control electrode, Primary Location touch point position.And can be driven by rough location further
First touch control electrode or the second touch control electrode do not surrounded by the first touch control electrode, detect that it is mutual with the 3rd of the 3rd touch control electrode the
Electric capacity, is accurately positioned touch point position.Using small number of first touch control electrode therefore in large-size screen, reduce and drive
The time of dynamic first touch control electrode, thus extending the display time, improve the display effect of mutual capacitance touch screen.
First touch control electrode is surrounded to the touch electrode structure of second touch control electrode, because the first touch control electrode is to second
Touch control electrode has shielding action, and the first touch control electrode therefore can only be driven to complete the positioning of touch point.
The embodiment of the present invention provides the method that a kind of another kind of display device as shown in Fig. 8 (b) positions touch point, such as schemes
Shown in 11, including：
Step S1101, simultaneously drives each the first touch control electrode, and each first touch control electrode surrounds a second touch-control electricity
Pole；
Step S1102, the first parameter between sensing the first touch control electrode and second touch control electrode；
Step S1103, according to the first parameter, positions the first touch control electrode being triggered, and records first being triggered and touch
Control electrode coordinate；
Step S1104, the second parameter between sensing the first touch control electrode and the 3rd touch control electrode；
Step S1105, according to the first parameter and the second parameter, positioning the first touch control electrode being triggered or be triggered the
Two touch control electrode and the 3rd touch control electrode being triggered, and record the coordinate of the first touch control electrode being triggered or be triggered the
The coordinate of two touch control electrode and the 3rd touch control electrode being triggered.
Step S1106, drives the first touch control electrode being triggered successively；
Step S1107, senses the 3rd parameter between powered first touch control electrode and the 3rd touch control electrode；
Step S1108, according to the 3rd parameter, positions the first touch control electrode being triggered and the 3rd touch-control electricity being triggered
Pole, and the coordinate recording the coordinate of the first touch control electrode being triggered with the 3rd touch control electrode being triggered.
By a kind of method of positioning touch point provided in an embodiment of the present invention, can be after touch-control occur, can be only logical
Overdrive the first touch control electrode, detect that the first mutual capacitance between the first touch control electrode and second touch control electrode and first is touched simultaneously
Control electrode and the second mutual capacitance of the 3rd touch control electrode, Primary Location touch point position.And rough location can be passed through further
Drive the first touch control electrode, detect the 3rd mutual capacitance of itself and the 3rd touch control electrode, be accurately positioned touch point position.Therefore relatively
Using small number of first touch control electrode in large scale screen, reduce the time driving the first touch control electrode, thus extending aobvious
Show the time, improve the display effect of mutual capacitance touch screen.
In practical operation, user continuously may select required icon or link by touch control display apparatus, therefore needs
Determine whether continuous touch-control.
Therefore the embodiment of the present invention provides a kind of method of positioning touch point, and wherein each first touch control electrode surrounds one
Second touch control electrode, step S12001-S1208 of its positioning touch point is consistent with above-mentioned steps S1101-S1107, and here is no longer
Repeat, as shown in figure 12, also include：
Step S1209, calculates the displacement between the coordinate of current touch point and the coordinate of the front touch point once recording；
Step S1210, compares displacement and displacement threshold value, when displacement is less than displacement threshold value, then for continuous touch-control；Work as displacement
During more than or equal to displacement threshold value, then for discontinuous touch-control.
May determine that whether the touch-control occurring on the display apparatus is continuous touch-control by the embodiment that the present invention provides, carry
The high precision of positioning touch point.
Obviously, it will be understood by those skilled in the art that each module of the above-mentioned present invention or each step can be with general
Realizing, they can concentrate on single computing device computing device, or is distributed in the net that multiple computing devices are formed
On network, alternatively, they can be realized with the executable program code of computer installation, such that it is able to be stored in depositing
To be executed by computing device in storage device, or they are fabricated to each integrated circuit modules respectively, or by them
Multiple modules or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware
Combination with software.
These are only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art,
The present invention can have various change and change.All any modifications made within spirit and principles of the present invention, equivalent,
Improve etc., should be included within the scope of the present invention.
Claims (21)
1. a kind of touch electrode structure is it is characterised in that include：
Multiple first touch control electrode, multiple second touch control electrode and multiple 3rd touch control electrode；
Wherein, each described first touch control electrode is parallel with second touch control electrode each described and interval setting, and the described 3rd touches
Control electrode is arranged in a crossed manner with described first touch control electrode, and described 3rd touch control electrode is intersected with described second touch control electrode and set
Put；
It is electrically insulated between described first touch control electrode, described second touch control electrode and described 3rd touch control electrode；
According to the first parameter between described first touch control electrode and described second touch control electrode, and the first touch control electrode or institute
State the second parameter between second touch control electrode and the 3rd touch control electrode, determine position of touch.
2. touch electrode structure according to claim 1 is it is characterised in that include：
Each described first touch control electrode surrounds a described second touch control electrode, and described first touch control electrode and described second is touched
Control electrode is arranged at the first level；
Described 3rd touch control electrode is arranged at the second level, and described first level is oppositely arranged with described second level.
3. touch electrode structure according to claim 1 is it is characterised in that include：
Each described first touch control electrode surround a described second touch control electrode, described first touch control electrode, described second touch
Control electrode and described 3rd touch control electrode are arranged at same level；
Each described 3rd touch control electrode includes multistage, is connected by bridge between each section.
4. touch electrode structure according to claim 1 is it is characterised in that described first touch control electrode is touched with described second
Control electrode is linear type.
5. the touch electrode structure according to Claims 2 or 3 is it is characterised in that described first touch control electrode and described the
Two touch control electrode are nonlinear type.
6. touch electrode structure according to claim 5 is it is characterised in that described first touch control electrode is touched with described second
Control electrode is several fonts.
7. a kind of contact panel is it is characterised in that include：
Transparent substrates；With
The touch electrode structure as described in claim 1 to 6 any one in described transparent substrates.
8. a kind of display device is it is characterised in that include：
Transparent substrates, drive module, the first induction module, the first locating module, the second induction module, the second locating module and such as
Touch electrode structure described in claim 1；
Described drive module, simultaneously drives each first touch control electrode or each second touch control electrode, described second touch control electrode
Do not surrounded by described first touch control electrode；
Described first induction module, senses the first parameter between described first touch control electrode and described second touch control electrode；
Described first locating module, according to described first parameter, positions described first touch control electrode being triggered and/or is triggered
Described second touch control electrode, and record the described first touch control electrode coordinate being triggered and/or be triggered described second touch
The coordinate of control electrode；
Described second induction module, senses between described first touch control electrode or described second touch control electrode and the 3rd touch control electrode
The second parameter；
Described second locating module, according to described second parameter, positions described 3rd touch control electrode being triggered, and records and touched
The coordinate of described 3rd touch control electrode sent out.
9. display device according to claim 8, it is characterised in that described drive module, is gone back according to the first locating module
The described first touch control electrode coordinate being triggered of record and/or the coordinate of the described second touch control electrode being triggered, drive successively
Dynamic described first touch control electrode being triggered or the described second touch control electrode being triggered；
Described second induction module, also senses described first touch control electrode being triggered or the described second touch control electrode being triggered
The 3rd mutual capacitance and between described 3rd touch control electrode, and record the 3rd parameter；
Described second locating module, also according to described 3rd parameter, positions described first touch control electrode being triggered or is triggered
Described second touch control electrode, and described 3rd touch control electrode being triggered, and record the described first touch-control electricity being triggered
Pole or the coordinate of the described second touch control electrode being triggered and described 3rd touch control electrode being triggered.
10. a kind of display device is it is characterised in that include：
Transparent substrates, drive module, the first induction module, the first locating module, the second induction module, the second locating module and such as
Touch electrode structure described in claim 1, wherein,
Described drive module, simultaneously drives each the first touch control electrode, and each described first touch control electrode is surrounded one second and touched
Control electrode；
Described first induction module, senses the first parameter between described first touch control electrode and described second touch control electrode；
Described first locating module, according to described first parameter, positions described first touch control electrode being triggered, and records and touched
The described first touch control electrode coordinate sent out；
Described second induction module, senses the second parameter between described first touch control electrode and the 3rd touch control electrode；
Described second locating module, according to described second parameter, positions described 3rd touch control electrode being triggered, and records and touched
The coordinate of described 3rd touch control electrode sent out.
11. display devices according to claim 10 it is characterised in that
Described drive module, also according to the described first touch control electrode coordinate being triggered of the first locating module record, drives successively
Dynamic described first touch control electrode being triggered；
Described second induction module, also senses the 3rd between described first touch control electrode being triggered and described 3rd touch control electrode
Parameter；
Described second locating module, also according to described 3rd parameter, positions described first touch control electrode being triggered and is touched
Described 3rd touch control electrode sent out, and record described first touch control electrode being triggered and described 3rd touch control electrode being triggered
Coordinate.
A kind of 12. methods positioning display device touch point as claimed in claim 8 are it is characterised in that include：
Simultaneously drive each first touch control electrode or second touch control electrode, described second touch control electrode is not by described first touch-control electricity
Pole surrounds；
Sense the first parameter between described first touch control electrode and described second touch control electrode；
According to described first parameter, position described first touch control electrode being triggered and/or the described second touch-control electricity being triggered
Pole, and record the coordinate of the described first touch control electrode coordinate being triggered and/or the described second touch control electrode being triggered；
Sense the second parameter between described first touch control electrode or described second touch control electrode and the 3rd touch control electrode；
According to described first parameter and described second parameter, position described first touch control electrode being triggered or be triggered described
Second touch control electrode and described 3rd touch control electrode being triggered, and record the coordinate of described first touch control electrode being triggered or
The coordinate of the described second touch control electrode being triggered and described 3rd touch control electrode being triggered.
The methods of 13. positioning touch points as claimed in claim 12 are it is characterised in that described according to described first parameter and institute
State the second parameter, positioning described first touch control electrode being triggered or the described second touch control electrode being triggered and the institute being triggered
State the 3rd touch control electrode, and record the coordinate of described first touch control electrode being triggered or the described second touch control electrode being triggered
Also include with after the coordinate of described 3rd touch control electrode being triggered：
Drive described first touch control electrode being triggered or the described second touch control electrode that is triggered successively；
Sense between powered described first touch control electrode or described second touch control electrode and described 3rd touch control electrode
Three parameters；
According to described 3rd parameter, position described first touch control electrode being triggered or the described second touch control electrode being triggered and
Described 3rd touch control electrode being triggered, and record the coordinate of described first touch control electrode being triggered or be triggered described
The coordinate of two touch control electrode and described 3rd touch control electrode being triggered.
The method of the 14. positioning touch points according to claim 12 or 13 is it is characterised in that include:
Described according to described first parameter, determine described first touch control electrode being triggered and the described second touch-control electricity being triggered
Pole, including：
Obtain default 4th parameter；
Relatively described default 4th parameter and described first parameter, if described first parameter is more than or equal to described default the
Four parameters, then positioning described first touch control electrode or described second touch control electrode is described first touch control electrode or quilt being triggered
The described second touch control electrode of triggering；
Described according to described second parameter, position described 3rd touch control electrode being triggered and include：
Obtain default 5th parameter；
Relatively described default 5th parameter and described second parameter；
If described second parameter is more than or equal to described default 5th parameter, positioning described 3rd touch control electrode is to be triggered
Described 3rd touch control electrode.
The method of 15. positioning touch points according to claim 13 is it is characterised in that also include：
Described according to described 3rd parameter, position described first touch control electrode being triggered or described second touch control electrode and touched
Described 3rd touch control electrode sent out includes：
Obtain default 6th parameter；
Relatively described default 6th parameter and described 3rd parameter；
If described 3rd parameter is more than or equal to described default 6th parameter, position the first touch control electrode being triggered or quilt
The described second touch control electrode of triggering and described 3rd touch control electrode being triggered.
The method of the 16. positioning touch points according to claim 12 or 13 is it is characterised in that be triggered in described record
After the coordinate of described first touch control electrode, or the coordinate of described second touch control electrode being triggered in described record and being triggered
The coordinate of described 3rd touch control electrode after, also include：
Calculate the displacement between the coordinate of current touch point and the coordinate of the front touch point once recording；
Relatively described displacement and displacement threshold value, when described displacement is less than described displacement threshold value, then for continuous touch-control.
A kind of 17. methods positioning display device touch point as claimed in claim 10 are it is characterised in that include：
Simultaneously drive each the first touch control electrode, each described first touch control electrode surrounds a second touch control electrode；
Sense the first parameter between described first touch control electrode and described second touch control electrode；
According to described first parameter, position described first touch control electrode being triggered, and record described first touch-control being triggered
Electrode coordinate；
Sense the second parameter between described first touch control electrode and the 3rd touch control electrode；
According to described first parameter and described second parameter, position described first touch control electrode being triggered or be triggered described
Second touch control electrode and described 3rd touch control electrode being triggered, and record the coordinate of described first touch control electrode being triggered or
The coordinate of the described second touch control electrode being triggered and described 3rd touch control electrode being triggered.
The method of 18. positioning touch points as claimed in claim 17, described according to described second parameter, positions the institute being triggered
State the 3rd touch control electrode, and after recording the coordinate of described 3rd touch control electrode being triggered, also include：
Drive described first touch control electrode being triggered successively；
Sense the 3rd parameter between powered described first touch control electrode and described 3rd touch control electrode；
According to described 3rd parameter, position described first touch control electrode being triggered and described 3rd touch control electrode being triggered,
And the coordinate recording the coordinate of described first touch control electrode being triggered with described 3rd touch control electrode being triggered.
The method of the 19. positioning touch points according to claim 17 or 18 is it is characterised in that include：
Described according to described first parameter, determine described first touch control electrode being triggered and the described second touch-control electricity being triggered
Pole, including：
Obtain default 4th parameter；
Relatively described default 4th parameter and described first parameter, if described first parameter is more than or equal to described default the
Four parameters, then positioning described first touch control electrode or described second touch control electrode is described first touch control electrode or quilt being triggered
The described second touch control electrode of triggering；
Described according to described second parameter, position described 3rd touch control electrode being triggered and include：
Obtain default 5th parameter；
Relatively described default 5th parameter and described second parameter；
If described second parameter is more than or equal to described default 5th parameter, positioning described 3rd touch control electrode is to be triggered
Described 3rd touch control electrode.
The method of 20. positioning touch points according to claim 18 is it is characterised in that also include：
Described according to described 3rd parameter, position described first touch control electrode being triggered or described second touch control electrode and touched
Described 3rd touch control electrode sent out includes：
Obtain default 6th parameter；
Relatively described default 6th parameter and described 3rd parameter；
If described 3rd parameter is more than or equal to described default 6th parameter, position the first touch control electrode being triggered or quilt
The described second touch control electrode of triggering and described 3rd touch control electrode being triggered.
The method of the 21. positioning touch points according to claim 17 or 18 is it is characterised in that be triggered in described record
The coordinate of described first touch control electrode after, or the described second touch control electrode coordinate that is triggered in described record and being triggered
The coordinate of described 3rd touch control electrode after, also include：
Calculate the displacement between the coordinate of current touch point and the coordinate of the front touch point once recording；
Relatively described displacement and displacement threshold value, when described displacement is less than described displacement threshold value, then for continuous touch-control.
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| CN104965628B (en) * | 2015-07-17 | 2018-03-23 | 合肥京东方光电科技有限公司 | Capacitance type touch control substrate and touching display screen |
| CN109426398B (en) | 2017-08-25 | 2021-01-29 | 京东方科技集团股份有限公司 | Touch substrate and touch display device |
| CN109164943B (en) * | 2018-07-17 | 2020-09-01 | 深圳市华星光电技术有限公司 | Touch driving method |
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| CN101887333A (en) * | 2009-05-11 | 2010-11-17 | 智点科技（深圳）有限公司 | Digital capacitive touch screen |
| TWI410850B (en) * | 2010-01-29 | 2013-10-01 | Mstar Semiconductor Inc | Touch sensing device and associated method |
| US20110291982A1 (en) * | 2010-05-28 | 2011-12-01 | Au Optronics Corp. | Touch display apparatus and touch sensing device thereof |
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