CN106775078B - Touch-control display panel, driving method and touch control display apparatus - Google Patents
Touch-control display panel, driving method and touch control display apparatus Download PDFInfo
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- CN106775078B CN106775078B CN201611122172.1A CN201611122172A CN106775078B CN 106775078 B CN106775078 B CN 106775078B CN 201611122172 A CN201611122172 A CN 201611122172A CN 106775078 B CN106775078 B CN 106775078B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
This application discloses a kind of touch-control display panel, driving method and touch control display apparatus.Touch-control display panel includes array substrate, and array substrate includes N number of first touch control electrode, the first touch scanning signals line, the second touch scanning signals line, the first shift register, the second shift register, multiple first switch groups and multiple second switch groups；The m scanned in the scanning of the i-th rank touch-controliIt is a to n-thiIn a first touch control electrode, first shifting deposit unit in corresponding first shift register of M1 the first touch control electrodes, second shifting deposit unit in corresponding second shift register of M2 the first touch control electrodes, the scanning of two rank touch-control of arbitrary neighborhood scan at least same first touch control electrode.In the touch-control of a touch-control display panel, at least one touch control electrode has been scanned twice, and this programme increases the touch-control sensitivity at touch control electrode edge.
Description
Technical field
The present disclosure relates generally to display technologies, and in particular to touch display technology more particularly to touch-control display panel, driving
Method and touch control display apparatus.
Background technique
In order to realize that the capacitance structure of touch function is arranged in LCD display intralamellar part, usually public electrode is divided
At the sub- public electrode of multiple strips, each sub- public electrode is multiplexed with touch control electrode in the touch-control stage.
With the extensive use of touch-control display panel, people more and more carry out text by the touch-control to display panel
Input operation, the operation such as picture editor.It can usually complete aforesaid operations to touch screen touch by finger, but people
Text input operation is carried out with finger or picture editor's operation is not only inconvenient but also very slow, and therefore, people gradually use condenser type
Stylus come carry out text input and picture operation etc..
Relative to finger, the area that capacitive touch pen is contacted with display screen is much smaller.Capacitive touch pen and display
The position of screen contact is easy to fall at the position between the two touch control electrodes namely edge of touch control electrode.When capacitor is
When stylus is fallen between adjacent each touch control electrode, since the touching signals at touch control electrode edge are compared to touch control electrode center
Touching signals are weak, and touch-control sensitivity will be caused to decline.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of touch-control display panel, driving method and touching
Display device is controlled, to solve at least partly technical problem described in background technology.
In a first aspect, touch-control display panel includes array substrate, array base this application provides a kind of touch-control display panel
Plate includes N number of first touch control electrode, the first touch scanning signals line, the second touch scanning signals line, the first shift register,
Two shift registers, multiple first switch groups and multiple second switch groups；First shift register includes multiple cascade first
Shifting deposit unit, the second shift register include multiple cascade second shifting deposit units；Each first switch group includes
First control terminal and at least one first switch, the first shift LD lists at different levels of each first control terminal and the first shift register
The output end of member connects one to one；First switch includes control terminal, input terminal and output end, each first switch group it is each
The control terminal of first switch is connect with the first control terminal, and the input terminal of each first switch and the first touch scanning signals line connect
It connects；Each second switch group includes the second control terminal and at least one second switch, each second control terminal and the second shift LD
The output end of the second shifting deposit units at different levels of device connects one to one；Second switch includes control terminal, input terminal and output
End, the control terminal of each second switch of each second switch group are connect with the second control terminal, the input terminal of each second switch
It is connect with the second touch scanning signals line；N number of first touch control electrode is arranged along first direction, is extended in a second direction；Touch-control is aobvious
Show that panel is scanned by the touch-control that k rank touch-control scans through pairs of N number of first touch control electrode；In the scanning of the i-th rank touch-control, miIt is a extremely
N-thiA first touch control electrode scanning, wherein the m in the scanning of the i-th rank touch-controliIt is a to n-thiIn a first touch control electrode, have
M1 output ends of first touch control electrode respectively with each first switch in a first switch group connect one to one, and have M2
A first touch control electrode connects one to one with each second switch in a second switch group；Wherein, mi<mi+1≤ni, ni<
ni+1；N, mi, mi+1, ni, ni+1, M1, M2,1 < k < N；1≤i < k is positive integer, and mi+1<ni≤N；M1+M2=ni-mi+1。
Second aspect, present invention also provides a kind of driving method of touch-control display panel, driving method includes being touched by k rank
Control scans through the touch-control scanning of pairs of N number of first touch control electrode；During the scanning of every rank touch-control, scans believe to the first touch-control respectively
Number line and the second touch scanning signals line provide touch-control scanning drive signal；First shift register includes the first trigger signal
End, the second shift register include the second trigger signal end；During the scanning of the first rank touch-control, respectively to the first shift register
The first trigger signal end and the second shift register the second trigger signal end provide original trigger signal so that with first move
At least one first switch in the first switch group of the output end connection of the first order shifting deposit unit of bit register is opened,
Touch scanning signals on first touch scanning signals line are transferred to M1 the first touch-controls by least one above-mentioned first switch
On electrode；And make in the second switch group being connect with the output end of the first order shifting deposit unit of the second shift register
At least one second switch is opened, the touch scanning signals on the second touch scanning signals line by it is above-mentioned at least one second open
Pass is transferred in M2 the first touch control electrodes；During the scanning of+1 rank touch-control of pth, the pth grade displacement of the first shift register is posted
Memory cell provides trigger signal to+1 grade of shifting deposit unit of pth of the first shift register, so that with the first shift register
+ 1 grade of shifting deposit unit of pth output end connection first switch group at least one first switch open, first touching
Touch scanning signals on control scan signal line are transferred in M1 the first touch control electrodes by least one above-mentioned first switch；
The pth grade shifting deposit unit of second shift register provides touching to+1 grade of shifting deposit unit of pth of the second shift register
It signals, so that in the second switch group being connect with the output end of+1 grade of shifting deposit unit of pth of the second shift register
At least one second switch is opened, the touch scanning signals on the second touch scanning signals line by it is above-mentioned at least one second open
Pass is transferred in M2 the first touch control electrodes；Wherein 1≤p < k, and p is positive integer.
The third aspect, present invention also provides a kind of touch control display apparatus, including touch-control display panel as above.
The scheme of the application, by the way that the first shift register and the second shift register are arranged in touch-control display panel,
The m scanned in the scanning of the i-th rank touch-controliIt is a to n-thiThere are M1 the first touch control electrodes to move in a first touch control electrode with first
First shifting deposit unit in bit register is corresponding, there is one in M2 the first touch control electrodes and the second shift register
A second shifting deposit unit is corresponding；The scanning of two rank touch-control of arbitrary neighborhood scans at least one identical first touch control electrode.?
In the touch-control scanning process of touch-control display panel, at least one touch control electrode has been scanned twice or at least one is touched
Control electrode has been scanned repeatedly.It regard the cumulative of detection signal that touch-control scans twice or repeatedly as the touch control electrode pair
The touch control operation at position is answered to detect signal, to increase the touch-control sensitivity at touch control electrode edge.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows a kind of structural schematic diagram of the array substrate in touch-control display panel provided by the embodiments of the present application；
Fig. 2 shows the outputs of the output signal of the first shifting deposit unit of j-th stage and the second shifting deposit unit of j-th stage
The schematic diagram of signal；
Fig. 3 shows the signal hint on signal and the second touch scanning signals line on the first touch scanning signals line
Figure；
Fig. 4 shows another structural representation of the array substrate in touch-control display panel provided by the embodiments of the present application
Figure；
Fig. 5 shows a kind of touch-control display panel provided by the embodiments of the present application including array substrate shown in Fig. 1 or Fig. 4
Structural schematic diagram；
Fig. 6 shows the driving method flow diagram of touch-control display panel provided by the embodiments of the present application；
Fig. 7 shows a kind of touch control display apparatus schematic diagram provided by the embodiments of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to FIG. 1, it illustrates a kind of knots of the array substrate in touch-control display panel provided by the embodiments of the present application
Structure schematic diagram.
As shown in Figure 1, array substrate 100 includes N number of the first touch-control electricity for arranging along first direction, extending in a second direction
Pole TX, the first touch scanning signals line S1, the second touch scanning signals line S2, the first shift register 11, the second shift LD
Device 12, multiple first switch groups 111 and multiple second switch groups 121.N is positive integer, and N > 1.In application scenes, the
One direction can be mutually perpendicular to second direction.
First shift register 11 may include multiple cascade first shifting deposit unit Q1、Q2、Q3、…、Qi、
Qi+1、…、QK, the second shift register 12 may include multiple cascade second shifting deposit unit q1、q2、q3、…、qi、
qi+1、…、qK。
Each first switch group 111 may include the first control terminal 112 and at least one first switch 113, each first control
End 112 processed and the output end of the first shifting deposit units at different levels of the first shift register 11 connect one to one.
First switch 113 includes control terminal, input terminal and output end.Each in any one first switch group 111
The control terminal of one switch 113 is connect with the first control terminal 112 of the group.The input terminal and the first touch-control of each first switch 113
Scan signal line S1 connection.Each first shifting deposit unit in first shift register 11 passes through in first switch group 111
Each first switch 113 connect with multiple first touch control electrode TX.First touch scanning signals line S1 and each first switch
The input terminal connection of each first switch 113 in group 111.When a first shift LD list in the first shift register 11
Each first switch 113 when member has driving signal output, in first switch group 111 corresponding with first shifting deposit unit
Conducting, to will be transmitted on first touch scanning signals line S1 by each first switch 113 in the first switch group 111
Touch scanning signals are transferred on multiple first touch control electrode TX corresponding with first shifting deposit unit.
In some optional implementations of the present embodiment, first switch 113 may include a first transistor.Its
In, the grid of the first transistor is connect with the first control terminal 112 of first switch group 111, the first pole of the first transistor and the
One touch scanning signals line S1 connection, the second pole of each the first transistor are connect with a first touch control electrode TX respectively.
Each second switch group 121 may include the second control terminal 122 and at least one second switch 123.Each second control
Output end of the end 122 processed respectively with the second shifting deposit units at different levels of the second shift register 12 connects one to one.
Second switch 123 includes control terminal, input terminal and output end.Each the second of any one second switch group 121
The control terminal of switch 123 is connect with the second control terminal 122 of the second switch group 121.The input terminal of each second switch 123 with
Second touch scanning signals line S2 connection.Each second shifting deposit unit in second shift register 12 passes through second switch
Each second switch 123 in group 121 is connect with multiple first touch control electrode TX.As one in the second shift register 12
It is each in second switch group 121 corresponding with second shifting deposit unit when two shifting deposit units have driving signal output
A second switch 123 is connected, thus by each second switch 123 in the second switch group 121, the second touch scanning signals
The touch scanning signals transmitted on line S2 are transferred to multiple first touch control electrode TX corresponding with second shifting deposit unit
On.
In some optional implementations of the present embodiment, second switch 123 may include a second transistor, and second
The grid of transistor is connect with the second control terminal, and the first pole of second transistor is connect with the second touch scanning signals line, and each
Second pole of two-transistor is connect with a first touch control electrode TX respectively.
In the present embodiment, the touch-control scanning of a touch-control display panel may include the scanning of k rank touch-control, this k rank touch-control
Scan through the touch-control scanning of pairs of N number of first touch control electrode.
In some optional implementations of the present embodiment, as shown in Fig. 2, it illustrates j-th stage the first shift LD lists
The schematic diagram of the output signal of the output signal and the second shifting deposit unit of j-th stage of member.As shown in Fig. 2, the first shift LD
The first shifting deposit unit of j-th stage Q of device 11jOutput signal and the second shift register 12 the second shift LD of j-th stage
Unit qjOutput signal it is identical.1≤j < k, and j is positive integer.That is, being scanned in jth rank touch-control, by j-th stage first
Shifting deposit unit QjTouch-control scanning drive signal is provided to multiple first touch control electrodes by a first switch group 111, with
And by the second shifting deposit unit of j-th stage qjTouch-control is provided to multiple first touch control electrodes by a second switch group 121 to sweep
Retouch driving signal.
Touch-control display panel including array substrate 100 shown in Fig. 1 can scan m in the scanning of the i-th rank touch-controliIt is a
To n-thiA first touch control electrode.Wherein, the m scanned in the scanning of the i-th rank touch-controliIt is a to n-thiIn a first touch control electrode,
There are M1 output ends of first touch control electrode respectively with each first switch in a first switch group to connect one to one, has
M2 the first touch control electrodes connect one to one with each second switch in a second switch group.Wherein, M1, M2, mi, ni,
1<k<N；1≤i < k；And M1, M2, mi, ni, k, i are positive integer；And M1+M2=ni-mi+1.That is, once showing
In the scanning of panel touch-control, the quantity that any two ranks touch-control scans the first scanned touch control electrode is equal, i.e., every rank touch-control
The quantity for scanning the first scanned touch control electrode is M1+M2.Wherein, M1 the first touch control electrodes and the first shift register
First shifting deposit unit in 11 is corresponding, and is passed from the first touch scanning signals line to the M1 the first touch control electrodes
Defeated scanning signal；M2 the first touch control electrodes are corresponding with second shifting deposit unit in the second shift register 12,
And scanning signal is transmitted from the second touch scanning signals line to the M2 the first touch control electrodes.
In some optional implementations of the present embodiment, set on the touch-control display panel including array substrate shown in Fig. 1
It is equipped with integrated circuit, the first touch scanning signals line S1 is connect with integrated circuit, the second touch scanning signals line S2 and above-mentioned collection
At circuit connection.As shown in figure 3, it illustrates on the signal and the second touch scanning signals line on the first touch scanning signals line
Signal schematic representation.As shown in figure 3, in touch-control scanning process, integrated circuit is to the first touch scanning signals line S1 and second
Touch scanning signals line S2 sends identical touch-control scanning drive signal.That is, the first touch scanning signals line S1 and
Identical touch-control scanning drive signal is transmitted on two touch scanning signals line S2.
In the present embodiment, in the scanning of i+1 rank touch-control, mi+1It is a to n-thi+1A first touch control electrode is swept
It retouches.Wherein, mi<mi+1≤ni, ni<ni+1.That is, in the first touch control electrode of two rank touch-control of arbitrary neighborhood scanning scanning extremely
It less include identical first touch control electrode.Wherein, mi+1, ni+1, it is positive integer, and mi+1<ni≤N；.
In some optional implementations of the present embodiment, in the m of i+1 rank touch-control scanning scanningi+1It is a to n-thi+1
In a first touch control electrode, mi+1=mi+1.That is, the scanning of two rank touch-control of arbitrary neighborhood includes M1+M2-1 identical the
One touch control electrode.In this manner it is achieved that sweep length is M1+M2, sweep spacing is the rolling scanning of first touch control electrode.
In general, sweep spacing is smaller, the accuracy for detecting touch location is higher；Sweep length is bigger, the sensitivity of touch detection
It is higher.It is M1+M2 according to sweep length, sweep spacing, which roll for first touch control electrode, to be scanned and can touch improving
While the sensitivity of detection, higher touch location detection accuracy is kept.
In the present embodiment, in the two rank touch-controls scanning of arbitrary neighborhood, identical first touch control electrode is at least scanned；
In the touch-control scanning of a touch panel, at least one first touch control electrode is at least scanned twice.In this way, in touch control detection
When, it can will be carried out according to the touch control detection signal of the first touch control electrode scanned at least twice cumulative as first touching
The touch control detection signal for controlling the corresponding position of electrode is conducive to improve touch control detection sensitivity.
Referring to FIG. 4, another structural representation of the array substrate in touch-control display panel provided by the embodiments of the present application
Figure.
As shown in figure 4, the array substrate 200 in the present embodiment is identical as Fig. 1, including N number of first touch control electrode TX, first
It is touch scanning signals line S1, the second touch scanning signals line S2, the first shift register 21, the second shift register 22, multiple
First switch group 211 and multiple second switch groups 221.
First shift register 21 includes multiple cascade first shifting deposit unit Q1、Q2、Q3、Q4、…、QK, second moves
Bit register 22 includes multiple cascade second shifting deposit unit q1、q2、q3、…、qK。
Unlike embodiment illustrated in fig. 1, each first switch group 211 includes a first switch 213；First switch
First control terminal 212 of group 211 is overlapped with the control terminal of first switch 213.Each second switch group 221 includes two second and opens
Close 223.Any one second switch group 221 includes second control terminal 222, any one in the second switch group 221
The control terminal of second switch 223 is connect with the control terminal 222 of the second switch group 221.Each first control terminal 212 is respectively with first
The output end of the first shifting deposit units at different levels of shift register 21 connects one to one；Each second control terminal 222 respectively with
The output end of the second shifting deposit units at different levels of second shift register 22 connects one to one.
That is to say, in the present embodiment, M1=1, M2=2.In the touch-control scanning of a display panel, any single order touching
M1+M2=3 the first touch control electrodes are scanned in control scanning.
In the present embodiment, in the scanning of the i-th rank touch-control, m is scannediIt is a to n-thiA first touch control electrode, in i+1
In the scanning of rank touch-control, m is scannedi+1To n-thi+1A first touch control electrode, and mi+1=mi+1.So, arbitrary neighborhood two
It include two identical first touch control electrodes in the scanning of rank touch-control.
In the present embodiment, in the scanning of the i-th rank touch-control, miIt is a to n-thiIn first touch control electrode of a scanning, mi
+ 1 the first touch control electrode is connect with first switch 213.MiIt is a with n-thiA first touch control electrode respectively with a second switch
223 connections.The touch scanning signals transmitted on first touch scanning signals line S1 are transferred to the by the first switch 213 of conducting
miIn+1 the first touch control electrode；The touch scanning signals transmitted on first touch scanning signals line S2 pass through two of conducting the
Two switches 223 are transferred to miA first touch control electrode and n-thiIn a first touch control electrode.
In the present embodiment, there are M1+M2 the first touch control electrodes scanned in the scanning of any single order touch-control namely three
First touch control electrode is scanned.And have in the scanning of two rank touch-control of arbitrary neighborhood including two identical first touch control electrodes.Also
It is to say in a display panel touch-control scanning, is to sweep with first touch control electrode with the width of three the first touch control electrodes
It retouches interval and carries out touch-control scanning.
In the present embodiment, in addition to first touch control electrode at edge, to reciprocal the since third the first touch control electrode
Three the first touch control electrodes, each first touch control electrode are scanned three times.It will be to the three of any one the first touch control electrode
The secondary obtained touch control detection signal that scans is overlapped to obtain the touch control detection signal at the first touch control electrode position, to increase
Add the sensitivity of touch control detection.The consistency of the touch control detection signal at each first touch control electrode position is also preferable simultaneously.
Referring to FIG. 5, it illustrates a kind of touchings provided by the embodiments of the present application including array substrate shown in Fig. 1 or Fig. 4
Control the structural schematic diagram of display panel.As shown in figure 5, touch-control display panel 300 includes array substrate as illustrated in figure 1 or 4
31, the color membrane substrates 32 being oppositely arranged with array substrate 31.Array substrate is equipped with multiple first touch control electrodes 311, and first moves
Bit register 312, the second shift register 313 and Integrated circuit IC.Multiple first touch control electrodes 311 are prolonged in a second direction
It stretches, arranged along first direction.First shift register 312 and the second shift register 313 extend in a first direction respectively, and point
It is not set to the both ends of the first touch control electrode 311.In the scanning of any single order touch-control, while being controlled by the first shift register 312
M1 processed the first touch control electrodes 311 and touch-controls are carried out by M2 the first touch control electrodes 311 of the second shift register 313 control sweep
It retouches.And the scanning of two rank touch-control of arbitrary neighborhood scans at least one identical first touch control electrode 311.
Color membrane substrates are equipped with multiple second touch control electrodes 321.Multiple second touch control electrodes 321 can be set in color film base
Side of the color membrane substrates 32 far from array substrate 31 can also be arranged in close to the side of array substrate 31 in plate 32.Multiple second
Touch control electrode 321 is arranged in a second direction, is extended in a first direction.Any one second touch control electrode 321 is to array substrate 31
The orthographic projection of place plane is at least partially handed over each first touch control electrode 311 to the orthographic projection of 31 place plane of array substrate
It is folded.
In some optional implementations of the present embodiment, the first touch control electrode 311 for example can be touch-driven electrode,
Second touch control electrode 321 for example can be touch detection electrodes.Each second touched electrode 321 is to 31 place plane of array substrate
Projection with each first touch control electrode 311 to the orthographic projection of 31 place plane of array substrate overlap part form multiple capacitors
Structure.During touch-control, touch drive signal, the first touch control electrode 311 and second touch electricity are transmitted in the first touch control electrode 311
Capacitor is formed between pole 321.The first touch-control electricity when there is any position of user's finger touch display panel, near touch point
Coupling between pole 311 and second touch control electrode 321 can change, thus 311 He of the first touch control electrode near touch point
Capacitance can change between second touch control electrode 321.It can be according to each first touch control electrode 311 and each second touch control electrode
The capacitance of the multiple capacitors intersected to form between 321 can be inferred that the coordinate of touch point whether changing.In the display phase
Between, the first touch control electrode 311 is multiplexed with public electrode, shows that image provides public voltage signal for display panel.
It will be understood by those skilled in the art that the touch-control display panel of the application can be liquid crystal display panel, it can also be with
For organic light emitting display panel.It can also be other kinds of display panel, the present embodiment is not particularly limited this.
When the touch-control display panel of the application is liquid crystal display panel, except including array substrate disclosed above and battle array
It can also include other well known structures, such as in array substrate and color membrane substrates except the opposed color membrane substrates of column substrate
Between liquid crystal layer and spacer column.In order not to obscure the emphasis of the application, no longer structure well known to these will be carried out into one
The description of step.
It should be noted that color membrane substrates can be envelope when the application touch-control display panel is organic light emitting display panel
Glaze can form second touch control electrode on packaged glass.
Referring to FIG. 6, it illustrates the driving method flow diagrams of touch-control display panel provided by the embodiments of the present application.
As shown in fig. 6, the application one embodiment provide touch-control display panel driving method can be applied to include
The touch-control display panel of array substrate shown in Fig. 1 or Fig. 4.For above-mentioned touch-control display panel, it can be scanned and be completed by k rank touch-control
The touch-control of above-mentioned N number of first touch control electrode scans.First shift register includes the first trigger signal end, and described second moves
Bit register includes the second trigger signal end；
Above-mentioned driving method 400 may include:
Step 401, during the scanning of the first rank touch-control, respectively to the first trigger signal end of the first shift register and institute
Show that the second trigger signal end of the second shift register provides original trigger signal.In this way, first with the first shift register
At least one first switch in the first switch group of the output end connection of grade shifting deposit unit is opened, with the second shift LD
At least one second switch in the second switch group of the output end connection of the first order shifting deposit unit of device is opened.
Step 402, during the scanning of every rank touch-control, respectively to the first touch scanning signals line and the second touch scanning signals
Line provides touch-control scanning drive signal.
Touch scanning signals on first touch scanning signals line are transmitted by least one above-mentioned first switch opened
Onto M1 the first touch control electrodes.Second connect with the output end of the first order shifting deposit unit of the second shift register opens
A second switch is opened on Guan Zuzhong, and the touch scanning signals on the second touch scanning signals line pass through above-mentioned at least one
A second switch is transferred in M2 the first touch control electrodes
During the scanning of+1 rank touch-control of pth, the pth grade shifting deposit unit of the first shift register is to the first shift LD
+ 1 grade of shifting deposit unit of pth of device provides trigger signal.
+ 1 grade of shift LD list of pth of the pth grade shifting deposit unit of second shift register to the second shift register
Member provides trigger signal.Wherein 1≤p < k, and p is positive integer
In the present embodiment, using above-mentioned driving method, m can be scanned in the scanning of the i-th rank touch-controliIt is a to n-thiIt is a
First touch control electrode scans m in the scanning of i+1 rank touch-controli+1To n-thi+1A first touch control electrode, and mi<mi+1≤
ni；And ni<ni+1.So, identical first touch control electrode is included at least in the scanning of two rank touch-control of arbitrary neighborhood.
By above-mentioned driving method, any single order touch-control can scan M1+M2 the first touch control electrodes when scanning.And appoint
Anticipate and at least scan an identical low pressure touch control electrode in the scanning of two neighboring touch-control, thus increase electrode edge position due to
The change amount signal that touch-control occurs, can promote the touch-control sensitivity of touch-control display panel.
Referring to FIG. 7, it illustrates a kind of touch control display apparatus schematic diagrames provided by the embodiments of the present application.As shown in fig. 7,
Touch control display apparatus 500 is mobile phone, which includes touch-control display panel as described above.In addition, this field
Technical staff is it will be appreciated that the display device of the application can also include some other public affairs other than including display panel
The structure known, such as providing the back light unit of backlight to display panel.It, will no longer in order not to obscure the emphasis of the application
Structure well known to these is further described.It should be noted that the application display device is not limited to hand shown in Fig. 7
Machine can also be computer, television set, the devices such as intelligence wearing.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature any
Other technical solutions of combination and formation.Such as features described above and (but being not limited to) disclosed herein have similar functions
Technical characteristic is replaced mutually and the technical solution that is formed.
Claims (11)
1. a kind of touch-control display panel, which is characterized in that the touch-control display panel includes array substrate, the array substrate packet
Include N number of first touch control electrode, the first touch scanning signals line, the second touch scanning signals line, the first shift register, the second shifting
Bit register, multiple first switch groups and multiple second switch groups；
First shift register includes multiple cascade first shifting deposit units, and second shift register includes more
A cascade second shifting deposit unit；
Each first switch group includes the first control terminal and at least one first switch, each first control terminal with it is described
The output end of the first shifting deposit units at different levels of first shift register connects one to one；
The first switch includes control terminal, input terminal and output end, each first switch of each first switch group
Control terminal is connect with first control terminal, and the input terminal of each first switch is connect with the first touch scanning signals line；
Each second switch group includes the second control terminal and at least one second switch, each second control terminal with it is described
The output end of the second shifting deposit units at different levels of second shift register connects one to one；
The second switch includes control terminal, input terminal and output end, each second switch of each second switch group
Control terminal is connect with second control terminal, and the input terminal of each second switch is connect with the second touch scanning signals line；
N number of first touch control electrode is arranged along first direction, is extended in a second direction；
The touch-control display panel is scanned by the touch-control that k rank touch-control scans through pairs of N number of first touch control electrode；In the i-th rank
In touch-control scanning, miIt is a to n-thiA first touch control electrode scanning, wherein the m in the scanning of the i-th rank touch-controliIt is a to n-thi
In a first touch control electrode, there are M1 the first touch control electrode outputs with each first switch in a first switch group respectively
End connects one to one, and has the output end of M2 the first touch control electrodes and each second switch in a second switch group one by one
It is correspondingly connected with；
Wherein, mi<mi+1≤ni, ni<ni+1；
N, mi, mi+1, ni, ni+1, M1, M2,1 < k < N；1≤i < k is positive integer, and mi+1<ni≤N；M1+M2=ni-mi+1；
The first direction and the second direction are orthogonal.
2. touch-control display panel according to claim 1, which is characterized in that
mi+1=mi+1。
3. touch-control display panel according to claim 1, which is characterized in that the first switch includes the first transistor,
The grid of the first transistor is connect with first control terminal, the first pole of the first transistor and first touch-control
Scan signal line connection, the second pole of each the first transistor is connect with first touch control electrode respectively；
The second switch includes second transistor, and the grid of the second transistor is connect with second control terminal, described
First pole of second transistor is connect with the second touch scanning signals line, the second pole of each second transistor respectively with
One the first touch control electrode connection.
4. touch-control display panel according to claim 2, which is characterized in that M1=1, M2=2.
5. touch-control display panel according to claim 4, which is characterized in that in the scanning of the i-th rank touch-control, with first switch
First touch control electrode of connection is the m of scanningiTo n-thiM in a first touch control electrodei+1A first touch control electrode.
6. touch-control display panel according to claim 1, which is characterized in that the j-th stage of first shift register
The output signal of the second shifting deposit unit of j-th stage of the output signal of one shifting deposit unit and second shift register
It is identical；
Wherein, j is positive integer and 1≤j < k.
7. touch-control display panel according to claim 1, which is characterized in that be provided on the touch-control display panel integrated
Circuit, the first touch scanning signals line are connect with the integrated circuit, the second touch scanning signals line and the collection
At circuit connection；
The integrated circuit is used to send to the first touch scanning signals line and the second touch scanning signals line identical
Touch-control scanning drive signal.
8. touch-control display panel according to claim 7, which is characterized in that the touch-control display panel further include with it is described
The color membrane substrates that array substrate is arranged oppositely；
The color membrane substrates are equipped with multiple second touch control electrodes；
The multiple second touch control electrode arranges along the second direction, extends along the first direction；
Projection from any one second touch control electrode to plane where the array substrate and each first touch control electrode to
The projection of plane at least partially overlaps where the array substrate.
9. touch-control display panel according to claim 8, which is characterized in that the second touch control electrode is touch control detection electricity
Pole；
The second touch control electrode sends touch control detection signal to the integrated circuit.
10. a kind of driving method of touch-control display panel is applied to such as the described in any item touch-control display surfaces of claim 1-9
Plate, which is characterized in that scanned by the touch-control that k rank touch-control scans through pairs of N number of first touch control electrode；
First shift register includes the first trigger signal end, and second shift register includes the second trigger signal
End；
During the scanning of every rank touch-control, mentioned respectively to the first touch scanning signals line and the second touch scanning signals line
For touch-control scanning drive signal；
During the scanning of the first rank touch-control, moved respectively to the first trigger signal end of first shift register and described second
Second trigger signal end of bit register provides original trigger signal, so that the first order with first shift register shifts
At least one first switch in the first switch group of the output end connection of deposit unit is opened, first touch scanning signals
Touch scanning signals on line are transferred in M1 first touch control electrodes by least one above-mentioned first switch；And make
At least one of the second switch group being connect with the output end of the first order shifting deposit unit of second shift register
Second switch is opened, and the touch scanning signals on the second touch scanning signals line are passed by least one above-mentioned second switch
In defeated to M2 first touch control electrodes；
During the scanning of+1 rank touch-control of pth, the pth grade shifting deposit unit of first shift register is shifted to described first
+ 1 grade of shifting deposit unit of pth of register provides trigger signal, so that+1 grade of the pth displacement with first shift register
At least one first switch in the first switch group of the output end connection of deposit unit is opened, first touch scanning signals
Touch scanning signals on line are transferred in M1 first touch control electrodes by least one above-mentioned first switch；
Pth+1 grade displacement of the pth grade shifting deposit unit of second shift register to second shift register is posted
Memory cell provides trigger signal, so that connecting with the output end of+1 grade of shifting deposit unit of pth of second shift register
Second switch group at least one second switch open, the touch scanning signals on the second touch scanning signals line are logical
At least one above-mentioned second switch is crossed to be transferred in M2 first touch control electrodes；
Wherein 1≤p < k, and p is positive integer.
11. a kind of touch control display apparatus, which is characterized in that including such as described in any item touch-control display panels of claim 1-9.
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| CN107422909B (en) * | 2017-06-27 | 2020-08-04 | 上海中航光电子有限公司 | Touch scanning method of display panel |
| TWI664567B (en) * | 2018-06-12 | 2019-07-01 | 友達光電股份有限公司 | Touch device and method of driving touch device |
| TWI675319B (en) * | 2018-08-10 | 2019-10-21 | 友達光電股份有限公司 | Touch apparatus |
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