CN106814916B - 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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- CN106814916B CN106814916B CN201710041122.9A CN201710041122A CN106814916B CN 106814916 B CN106814916 B CN 106814916B CN 201710041122 A CN201710041122 A CN 201710041122A CN 106814916 B CN106814916 B CN 106814916B
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- touch
- control
- driven electrode
- driven
- control display
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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
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
Abstract
This application discloses a kind of touch-control display panel, driving method and touch control display apparatus.Touch-control display panel includes driving scanning circuit and m the first touch-driven electrode groups;Each first touch-driven electrode group includes 2n-1 touch-driven electrode, and two the first touch-driven electrode groups of arbitrary neighborhood have n-1 common touch-driven electrodes;Driving scanning circuit includes m the first drive control units and the shift register with m cascade first shifting deposit units;Wherein, the first shifting deposit unit is connect by the first drive control unit with the first driving electrodes group;Wherein, m, n are the integer greater than 1.According to the scheme of the application, by the way that touch-control display panel is divided into multiple touch-driven electrode groups, touch-driven electrode in each touch-driven electrode group shares a shifting deposit unit and is conducive to the realization of narrow frame to reduce the series of shifting deposit unit.
Description
Technical field
Present application relates generally to field of display technology more particularly to a kind of touch-control display panels, driving method and and touch-control
Display device.
Background technique
Touch control display apparatus can be by two layers of touch control electrode layer (for example, touch-driven electrode layer and touch-control sensing electrode
Layer) to detect coordinate position of the finger in the display screen plane of touch control display apparatus, and phase is carried out according to the coordinate position
The display answered.
In general, the integrated circuit of touch control display apparatus successively applies touch drive signal to touch-driven electrode.For
Integrated circuit is reduced in the prior art usually to pass through to the port number of each touch-driven electrode output touch drive signal
Shift register is set to realize the output step by step of touch drive signal.As shown in Figure 1, being provided with collection on touch-control display panel
At circuit 11, shift register 12 and touch-control gating unit 13, shift register 12 includes multiple cascade shifting deposit units
120, touch-control gating unit 13 includes multiple transistor switches.Integrated circuit 11, which can be driven touch-control by an output port, to be believed
Number it is input to touch-control gating unit 13, touch-control gating unit 13 is based on the shifting deposit units at different levels 120 in shift register 12
Output signal touch drive signal is shifted and is exported step by step, successively apply to realize to each touch-driven electrode TX
Touch drive signal.
This just needs to be arranged in a shift register the shifting deposit unit of quantity identical as touch-driven electrode, however,
Since the electrical component quantity that each shifting deposit unit includes is more, needed for the space that occupies it is correspondingly larger, be unfavorable for
The realization of the narrow frame of touch-control display panel.
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 and touch-control display dress
It sets, to solve the technical problems existing in the prior art.
According to the one aspect of the application, a kind of touch-control display panel is provided, including drives scanning circuit and m a successively
First touch-driven electrode group of arrangement.Each first touch-driven electrode group includes the 2n-1 touch-control being arranged successively driving electricity
Pole, two the first touch-driven electrode groups of arbitrary neighborhood have n-1 common touch-driven electrodes.Drive scanning circuit packet
It includes: with each one-to-one m of first touch-driven electrode group the first drive control units, each first drive control unit packet
Include the first control signal, multiple first switches and with each touch-driven electrode in the first corresponding touch-driven electrode group
One-to-one 2n-1 the first control output ends;And shift register, including it is a pair of with each first drive control unit one
M cascade first shifting deposit units answered, each first shifting deposit unit include the first Shift outputs.Wherein,
One control signal is electrically connected with the first Shift outputs of the first corresponding shifting deposit unit, the first control output end with
Corresponding the touch drive electrode is electrically connected, and in same first drive control unit, first control output end
It is electrically connected with the first control signal, remaining first control output end is inputted by multiple first switches and the first control respectively
End electrical connection;Wherein, m, n are the integer greater than 1.
In some embodiments, touch-control display panel further includes the second touch-driven electrode group.Second touch-driven electrode
Group includes no less than n and is no more than 2n-1 touch-driven electrode, and the second touch-driven electrode group is driven with m-th of first touch-controls
Moving electrode group is adjacent, and the second touch-driven electrode group has n-1 common touchings with m-th of first touch-driven electrode groups
Control driving electrodes.Driving scanning circuit further includes the second drive control unit, and the second drive control unit includes that the second control is defeated
Enter end, multiple second switches and is controlled with each touch-driven electrode one-to-one multiple second of the second touch-driven electrode group
Output end.Shift register further includes the second shifting deposit unit, the second shifting deposit unit and m-th of first shift LD lists
Member cascade, the second shifting deposit unit include the second Shift outputs.Wherein, the second control signal and corresponding second is moved
Position deposit unit the second Shift outputs electrical connection, the second control output end and it is corresponding the touch drive electrode is electrically connected,
And in the second drive control unit, second control output end is electrically connected with the second control signal, remaining second
Control output end is electrically connected by multiple second switches with the second control signal respectively.
In some embodiments, first switch is thin film transistor (TFT).
In some embodiments, driving scanning circuit further includes touching signals line, public pressure wire, common voltage control line
With multiple touch-control display switch groups.Wherein, the first control output end is driven by touch-control display switch group and corresponding touch-control
Electrode electrical connection, signal of the touch-control display switch group based on the first control output end transmit the touching signals on touching signals line
To touch-driven electrode or the public voltage signal in public pressure wire is transferred to touching by the signal based on common voltage control line
Control driving electrodes.
In some embodiments, the channel type of each thin film transistor (TFT) in same first drive control unit is identical.
In some embodiments, in same first drive control unit, with the same first touch-driven electrode group
In be spaced each other n-1 touch-driven electrode two two thin film transistor (TFT)s that the touch drive electrode is electrically connected channel type
It is different.
In some embodiments, it is connect in two adjacent the first drive control units with the same touch-driven electrode
Logic sum gate is connected between two thin film transistor (TFT)s.
It in some embodiments, include that the touch drive electrode is electrically connected by any in two the first touch-driven electrode groups
Two thin film transistor (TFT)s channel type it is different.
In some embodiments, touch-control display panel includes the array substrate being oppositely arranged and color membrane substrates and in array
Liquid crystal layer between substrate and color membrane substrates.Wherein, array substrate includes public electrode, and public electrode is multiplexed with touch-control driving electricity
Pole.
A kind of method for driving touch-control display panel is additionally provided according to the another aspect of the application, touch-control scanning includes more
A adjacent son scanning, this method comprises: n adjacent touch-driven electrode is scanned between every sub- sweep time;Adjacent
Two son scannings during, it is scanned twice that there are at least one touch-driven electrodes.
In some embodiments, during i-th of first shifting deposit units provide shift output signal, i-th first
N-1 adjacent first switch conducting in drive control unit, shift output signal are transferred to i-th of first touch-control driving electricity
N touch-driven electrode in the group of pole;When there is no not scanned touch-control driving electricity in i-th of first touch-driven electrode groups
When pole, i-th of first shifting deposit units stop providing shift output signal, and the first shifting deposit unit of i+1 provides shifting
Position output signal.Wherein, i is positive integer, and i≤m.
In some embodiments, during i-th of first shifting deposit units provide shift output signal, including n phase
Adjacent son scanning;During j-th of son scanning, open for j-th in i-th of first drive control units to jth+n-2 first
Close conducting.Wherein, j is the positive integer less than n.
In some embodiments, n-th of touch-driven electrode in i-th of first touch-driven electrode groups is scanned n times
Afterwards, the 1st to the (n-1)th first switch conducting in the first drive control unit of i+1.
A kind of touch control display apparatus is additionally provided according to the another aspect of the application, including touch-control display panel as above.
Touch-control display panel, driving method and touch control display apparatus provided by the present application, by dividing touch-control display panel
Touch-driven electrode at multiple touch-driven electrode groups, and in each touch-driven electrode group shares a shift LD list
Member is conducive to the realization of touch-control display panel narrow frame to reduce the series of shifting deposit unit in shift register.
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 the schematic diagram of the touch-control display panel of the prior art;
Fig. 2 shows the schematic diagrames of the first embodiment of the touch-control display panel of the application;
Fig. 3 shows the schematic diagram of the second embodiment of the touch-control display panel of the application;
Fig. 4 shows the schematic diagram of the 3rd embodiment of the touch-control display panel of the application
Fig. 5 shows the timing diagram for driving touch-control display panel as shown in Figure 4;
Fig. 6 shows another timing diagram for driving touch-control display panel as shown in Figure 4;
Fig. 7 shows the schematic diagram of the fourth embodiment of the touch-control display panel of the application;
Fig. 8 shows the schematic diagram of the 5th embodiment of the touch-control display panel of the application;
Fig. 9 shows the schematic diagram of one embodiment of the touch-control display panel of the application;
Figure 10 shows the schematic flow chart of the driving method of the touch-control display panel of the application;
Figure 11 shows the schematic diagram of one embodiment of the touch control display apparatus of the 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.
Fig. 2 shows the schematic diagrames of the first embodiment of the touch-control display panel of the application.
As shown in Fig. 2, touch-control display panel may include driving scanning circuit 21 and m the first touch-control drivings being arranged successively
Electrode group 221, m are the integer greater than 1.
Each first touch-driven electrode group 221 may include the 2n-1 touch-driven electrodes being arranged successively, arbitrary neighborhood
Two the first touch-driven electrode groups 221 touch-driven electrodes that can have n-1 common, n is the integer greater than 1.Here,
N is the touch-driven electrode quantity that touch-control scans scanning simultaneously between Shi Yi second son sweep time.
For example, first the first touch-driven electrode group 221 includes touch-driven electrode TX when n is 31~TX5, second
A first touch-driven electrode group 221 includes touch-driven electrode TX4~TX8, wherein there are two touch-driven electrode TX4With
TX5It is included in first and second the first touch-driven electrode group simultaneously;Similarly, m-1 the first touch-control driving electricity
Pole group 221 includes touch-driven electrode TX3m-5~TX3m-1, m-th of first touch-driven electrode groups 221 include touch-driven electrode
TX3m-2~TX3m+2, wherein there are two touch-driven electrode TX3m-2And TX3m-1It is included in m-1 and m-th first touchings simultaneously
It controls in driving electrodes group.
Driving scanning circuit 21 may include shift register 24 and one-to-one with each first touch-driven electrode group 221
M the first drive control units 231.Each first drive control unit 231 may include the first control signal, multiple first open
It closes and is controlled with each touch-driven electrode one-to-one 2n-1 first in the first corresponding touch-driven electrode group 221
Output end;Shift register 24 may include posting with each first drive control unit 231 one-to-one m cascade first displacements
Memory cell 241, each first shifting deposit unit 241 may include the first Shift outputs.Wherein, the first drive control unit
231 the first control signal can be electrically connected with the first Shift outputs of the first corresponding shifting deposit unit 241, and first
First control output end of drive control unit 231 can with it is corresponding the touch drive electrode is electrically connected, and same
In one drive control unit 231, n-th of first control output ends can be electrically connected with the first control signal, remaining first control
Output end processed can be electrically connected with the first control signal by first switch (that is, each first drive control list respectively
It may include 2n-2 first switch in member 231).
In the present embodiment, touch-control display panel may include nm+n-1 touch-driven electrode, and can in shift register 24
It only include m cascade first shifting deposit units 241, that is to say, that the first displacement for needing to be arranged in shift register 24
The quantity of deposit unit 241 less than touch-driven electrode quantity n/mono-, to greatly reduce in shift register 24
The series of one shifting deposit unit 241 reduces domain space shared by shift register 24, is conducive to the realization of narrow frame.
With continued reference to Fig. 3, the schematic diagram of the second embodiment of the touch-control display panel of the application is shown.
The part-structure of embodiment shown in Fig. 3 is identical as embodiment shown in Fig. 2, in the following description, will no longer
Repeat part identical with embodiment shown in Fig. 2 and emphasis describes difference.
Unlike embodiment shown in Fig. 2, as shown in figure 3, the touch-control display panel in the present embodiment may also include
Second touch-driven electrode group 322.Second touch-driven electrode group 322 may include no less than n and be no more than 2n-1 touch-control
Driving electrodes, the second touch-driven electrode group 322 can be adjacent with m-th of first touch-driven electrode groups 321, and the second touch-control
Driving electrodes group 322 and m-th of first touch-driven electrode groups 321 can have n-1 common touch-driven electrodes.
For example, m-th of first touch-driven electrode groups 321 may include touch-driven electrode TX when n is 33m-2~
TX3m+2, the second touch-driven electrode group 322 may include touch-driven electrode TX3m+1~TX3m+4, wherein there are two touch-controls to drive
Electrode TX3m+1And TX3m+2It is included in m-th of first touch-driven electrode groups 321 and the second touch-driven electrode group 322 simultaneously.
Correspondingly, driving scanning circuit 31 may also include the second drive control unit 332, the second drive control unit 332
It may include the second control signal, multiple second switches and each touch-driven electrode one with the second touch-driven electrode group 322
One corresponding multiple second control output ends;Shift register 34 may also include the second shifting deposit unit 342, and the second displacement is posted
Memory cell 342 and m-th of first shifting deposit units 341 cascade, and the second shifting deposit unit 342 includes the second displacement output
End.Wherein, the second drive control unit 332 is adjacent with m-th of first drive control units 331, the second drive control unit 332
The second control signal can be electrically connected with the second Shift outputs of the second corresponding shifting deposit unit 342, second drive
Second control output end of dynamic control unit 332 can with it is corresponding the touch drive electrode is electrically connected, and in the second driving control
In unit 332 processed, n-th of second control output ends can be electrically connected with the second control signal, remaining second control output end
It can be electrically connected respectively by second switch with the second control signal.
Although it includes 4 touch-driven electrodes that Fig. 3, which shows the second touch-driven electrode group 322, this is only to illustrate
Property.It is understood that the second touch-driven electrode group 322 may include n to any a touch-driven electrode between 2n-1,
For example, second touch-driven electrode group 322 may include 3,4 or 5 touch-driven electrodes when n is 3.The skill of this field
Art personnel can be arranged according to the needs of practical application scene.
Due between two adjacent touch-driven electrode groups with the touch-driven electrodes that n-1 is common, each first
Touch-driven electrode group 321 includes 2n-1 touch-driven electrode, and the touch-control that the second touch-driven electrode group 322 includes drives electricity
Number of poles is at least n, up to 2n-1.In this way, the touch-driven electrode quantity for including in touch-control display panel can be n
(m+1) any amount between n (m+1)+n-1, that is to say, that the quantity of touch-driven electrode needs not be times of m and/or n
Number.
In the present embodiment, touch-control display panel may include that no less than n (m+1) is a and no more than n (m+1)+n-1 touch-controls drive
Moving electrode, and in shift register 34 can only include m cascade first shifting deposit units 341 and second shift LD
Unit 342, that is to say, that the first shifting deposit unit 341 and the second shift LD list for needing to be arranged in shift register 34
The sum of quantity of member 342 is no more than n/mono- of touch-driven electrode quantity, moves in shift register 34 to greatly reduce
The series of position deposit unit, reduces domain space shared by shift register 34, is conducive to the realization of narrow frame.And due to
Provided with the second touch-driven electrode group 322, so that the touch-control display panel of the present embodiment can be applied to comprising any quantity
Touch-driven electrode touch-control display panel, applicability is wider.
Optionally, driving scanning circuit 31 may also include touching signals line TXS, public pressure wire COM, common voltage control
Line COM_SEL and multiple touch-control display switch groups 35.Wherein, the first control output end and/or the second control output end pass through touching
Control display switch group 35 and it is corresponding the touch drive electrode is electrically connected, touch-control display switch group 35 be based on the first control output end
Or second the signal of control output end the touching signals on touching signals line TXS are transferred to touch-driven electrode or based on public
Public voltage signal on public pressure wire COM is transferred to touch-driven electrode by the signal of voltage control line COM_SEL.To
It realizes touch-driven electrode and receives public voltage signal on public pressure wire COM during display, received during touch-control
Touching signals on touching signals line TXS.
With continued reference to Fig. 4, the schematic diagram of the 3rd embodiment of the touch-control display panel of the application is shown.
Similar with embodiment shown in Fig. 2, in the present embodiment, touch-control display panel equally may include driving scanning circuit 41
With m the first touch-driven electrode groups 421, driving scanning circuit 41 equally may include shift register 44 and m first driving
Control unit 431.
Unlike embodiment shown in Fig. 2, the touch-control display panel of the present embodiment is further to the first drive control
The structure of unit 431 has carried out specific description.
Specifically, the first switch in the first drive control unit 431 can be thin film transistor (TFT) (Thin Film
Transistor, TFT).
It is understood that when the driving scanning circuit 41 of the present embodiment further includes the second drive control unit, second
Second switch in drive control unit is also possible to thin film transistor (TFT).
Optionally, the channel type of each thin film transistor switch in same first drive control unit is identical.For example,
First switch in same first drive control unit 431 can be NMOS (Negative channel Metal
Oxide Semiconductor, N-channel metal-oxide semiconductor (MOS)) thin film transistor (TFT) or be PMOS (Positive
Channel Metal Oxide Semiconductor, P-channel metal-oxide-semiconductor) thin film transistor (TFT).
As shown in figure 4, driving scanning circuit 41 may also include a plurality of thread switching control CK1~CK2n-2, for example, when n is 3
When, driving scanning circuit 41 may include thread switching control CK1~CK4.In the first drive control unit 431, the grid of first switch
Pole respectively with each thread switching control CK1~CK2n-2Electrical connection, the first pole of first switch are electrically connected with the first control signal, the
Second pole of one switch is electrically connected with each first control output end respectively.
In addition, driving scanning circuit 41 may also include touching signals line TXS and multiple touch-control display switch groups 45.Touch-control is aobvious
Show that switching group 45 may include a thin film transistor switch (for example, NMOS transistor).Wherein, the grid of the thin film transistor switch
Pole is electrically connected with the first control output end of the first drive control unit 431, and the first pole is electrically connected with touching signals line TXS, the
Two poles and each the touch drive electrode is electrically connected.
In addition, shift register 44 further includes carry input, for providing enabling signal STH to shift register 44,
Start shift register 44.
Although touch-control display switch group 45 shown in Fig. 4 includes a NMOS tft switch, this is only to show
Meaning property.Touch-control display switch group 45 may include multiple NMOS and/or PMOS thin film transistor switch, for example, may also include one
A thin film transistor switch drives electricity for the public voltage signal in public pressure wire to be transferred to each touch-control during display
Pole.
In the present embodiment, the first Shift outputs SO of m the first shifting deposit units 4411~SOmShifting can be successively provided
Position output signal, the first drive control unit 431 can be based on thread switching control CK1~CK2n-2Signal shift output signal is passed
Defeated to arrive touch-control display switch group 45, touch-control display switch group 45 is based on shift output signal by the touch-control on touching signals line TXS
Signal is transferred to touch-driven electrode, so that the touch control detection to touch-control display panel can be realized.
It will be opened below with n for the thin film transistor (TFT) in the 3, first drive control unit 431 and in touch-control display switch group 45
For pass is NMOS transistor, timing as shown in connection with fig. 5 describes the working principle of touch-control display panel shown in Fig. 4.
The P during shift register 44 startss, enabling signal STH is inputted (for example, high level is believed to shift register 44
Number), start shift register 44.Wherein, the pulse width of enabling signal STH and three received touch-controls of touch-driven electrode
The sum of pulse width of signal is identical.
Period P is scanned in first the first touch-driven electrode group 4211, the first Shift outputs SO1It is defeated to provide displacement
Signal (such as high level signal) out, wherein period P1Including P during three son scannings11、P12And P13。
The P during sub- scanning11, only thread switching control CK1And CK2High level signal, first the first drive control are provided
First in unit 431 and second first switch are switched on, thin in first and second touch-control display switch group 45
Film transistor switch is switched on, due to the first Shift outputs SO1It is directly connected to third touch-control display switch group 45, third
Thin film transistor switch in a touch-control display switch group 45 is also turned on, and the touching signals on touching signals line TXS are transmitted
To the touch-driven electrode TX in first the first touch-driven electrode group 4211~TX3;The P during sub- scanning12, only switch control
Line CK processed2And CK3High level signal, second in first the first drive control unit 431 and third first switch are provided
It is switched on, the thin film transistor switch in second to the 4th touch-control display switch group 45 is switched on, on touching signals line TXS
Touching signals be transferred to the touch-driven electrode TX in first the first touch-driven electrode group 4212~TX4;In sub- scanning
Period P13, only thread switching control CK3And CK4High level signal, the third in first the first drive control unit 431 are provided
It is switched on the 4th first switch, thin film transistor switch of the third into the 5th touch-control display switch group 45 is led
Logical, the touching signals on touching signals line TXS are transferred to the driving electricity of the touch-control in first the first touch-driven electrode group 421
Pole TX3~TX5。
From the foregoing, it will be observed that in period P1, touch-driven electrode TX in first the first touch-driven electrode group 4211~TX5
With 3 touch-driven electrodes for a sub- scan unit, it is scanned in three times, and there are two between two adjacent second son sweep times
A touch-driven electrode is scanned twice (for example, touch-driven electrode TX2And TX3The P during sub- scanning11And P12Scanned two
It is secondary).
Similarly, period P is scanned in i-th of first touch-driven electrode groups 421i, the first Shift outputs SOiIt provides
Shift output signal (such as high level signal), wherein period PiIncluding P during three son scanningsi1、Pi2And Pi3.Here, i is
Natural number no more than m.
The P during sub- scanningi1, only thread switching control CK1And CK2High level signal, i-th of first drive control lists are provided
First in member 431 and second first switch are switched on, 3i-2 in the 3i-1 touch-control display switch group 45
Thin film transistor switch is switched on, due to the first Shift outputs SOiIt is directly connected to the 3i touch-control display switch group 45, the
Thin film transistor switch in 3i touch-control display switch group 45 is also turned on, and the touching signals on touching signals line TXS are passed
Touch-driven electrode TX in defeated to i-th first touch-driven electrode groups 4213i-2~TX3i;In period Pi2, only switch control
Line CK2And CK3High level signal, second in i-th of first drive control units 431 and third first switch quilt are provided
Conducting, the 3i-1 thin film transistor switch into the 3i+1 touch-control display switch group 45 are switched on, touching signals line TXS
On touching signals be transferred to the touch-driven electrode TX in i-th of first touch-driven electrode groups 4213i-1~TX3i+1;In
Period Pi3, only thread switching control CK3And CK4High level signal, the third in i-th of first drive control units 431 are provided
It is switched on the 4th first switch, the 3i thin film transistor switch into the 3i+2 touch-control display switch group 45 are led
Logical, the touching signals on touching signals line TXS are transferred to the driving electricity of the touch-control in i-th of first touch-driven electrode groups 421
Pole TX3i~TX3i+2。
From the foregoing, it will be observed that the touch-driven electrode TX in i-th of first touch-driven electrode groups 4213i-2~TX3i+2It is touched with 3
Control driving electrodes are that a sub- scan unit is scanned in three times, and there are two touch-controls to drive between two adjacent second son sweep times
Moving electrode is scanned twice (for example, touch-driven electrode TX3i-1And TX3iThe P during sub- scanningi1And Pi2It is scanned twice).
In addition, being scanned period P in (i-1)-th the first touch-driven electrode group 421i-1During may include three son scannings
P(i-1)1、P(i-1)2And P(i-1)3, in period P(i-1)3, touch-driven electrode in (i-1)-th the first touch-driven electrode group 421
TX3i-3~TX3i-1It is scanned.That is, including two touch-controls driving electricity in (i-1)-th and i-th of first touch-driven electrode groups
Pole TX3i-2And TX3i-1, the P during sub- scanning(i-1)3And Pi1It is scanned.That is, when two adjacent second sons scan difference
When period scanned included in two adjacent the first touch-driven electrode groups, then there are two between this two second sons sweep time
(or n-1) touch-driven electrode is scanned twice.
Wherein, the P during sub- scanning(i-1)3, only thread switching control CK3And CK4High level signal is provided;And in sub- sweep time
Between Pi1, only thread switching control CK1And CK2High level signal is provided.That is, from (i-1)-th the first touch-driven electrode
Last second son scanning of group is (for example, P during son scanning(i-1)3) it is switched to the first time of i-th of first touch-driven electrode groups
Son scanning is (for example, P during son scanningi1) when, for thread switching control, also correspondingly from by thread switching control CKn~
CK2n-2(for example, thread switching control CK when n is 33And CK4) provide high level signal be switched to by thread switching control CK1~
CKn-1High level signal is provided (for example, thread switching control CK when n is 31And CK2), to make (i-1)-th the first drive control
First switch in unit disconnect and make in i-th of first drive control units with thread switching control CK1~CKn-1It is corresponding
First switch conducting.
From the foregoing, it will be observed that being moved when each touch-driven electrode in the same first touch-driven electrode group shares same first
When the deposit unit of position, through the above steps, with there are two (or n-1) touch-driven electrodes between two adjacent second son sweep times
Scanned mode twice, realizes the touch control detection to touch-control display panel.
It is still opened below with n for the thin film transistor (TFT) in the 3, first drive control unit 431 and in touch-control display switch group 45
For pass is NMOS transistor, another work side of touch-control display panel shown in Fig. 4 is illustrated continuing with the timing of Fig. 6
Formula.
Working method shown in fig. 6 is similar with working method shown in fig. 5, touch-control display panel equally with binding mode into
The scanning of row touch-control, the touch-driven electrode quantity scanned every time are similarly 3.
The difference is that there are one or two between two adjacent second son sweep times in working method shown in Fig. 6
Touch-driven electrode is scanned twice.
Specifically, the P during shift register 44 startss, the pulse width of enabling signal STH and two touch-control drivings are electric
The sum of the pulse width of extremely received touching signals is identical.In this way, can during each first touch-driven electrode group 421 is scanned
Including during two son scannings.
Specifically, being scanned period P in (i-1)-th the first touch-driven electrode group 421i-1It may include two son scannings
Period P(i-1)1And P(i-1)2.The P during sub- scanning(i-1)1, only thread switching control CK1And CK2High level signal, touch-control driving are provided
Electrode TX3i-5~TX3i-3It is scanned;And the P during sub- scanning(i-1)2, only thread switching control CK3And CK4High level signal is provided,
Touch-driven electrode TX3i-3~TX3i-1It is scanned;Similarly, period P is scanned in i-th of first touch-driven electrode groups 421i
P during may include two son scanningsi1And Pi2.The P during sub- scanningi1, only thread switching control CK1And CK2High level signal is provided,
Touch-driven electrode TX3i-2~TX3iIt is scanned;And the P during sub- scanningi2, only thread switching control CK3And CK4High level is provided
Signal, touch-driven electrode TX3i~TX3i+2It is scanned.
From the foregoing, it will be observed that in i-th of first touch-driven electrode groups 421, touch-driven electrode TX3i-2~TX3i+2With 3
Touch-driven electrode is scanned in two times for a sub- scan unit, and the touch-driven electrode between this two second sons sweep time
TX3iIt is scanned twice.
In addition, including two touch-driven electrodes in (i-1)-th and i-th of first touch-driven electrode groups 421
TX3i-2And TX3i-1, the P during sub- scanning(i-1)2And Pi1It is scanned.That is, when adjacent two second sons scanning is wrapped respectively
Be contained in two adjacent the first touch-driven electrode groups it is scanned during when, then between this two second sons sweep time there are two (or
N-1) touch-driven electrode is scanned twice.
From the foregoing, it will be observed that being moved when each touch-driven electrode in the same first touch-driven electrode group shares same first
When the deposit unit of position, through the above steps, with there are one or two touch-driven electrode quilts between two adjacent second son sweep times
The mode of scanning twice, realizes the touch control detection to touch-control display panel.
In conclusion when carrying out touch control detection to touch-control display panel in a manner of scanning 3 touch-driven electrodes every time,
When adjacent two second sons scanning is included in during the same first touch-driven electrode group is scanned, then scanned in this two second son
It is scanned twice that period, there are one or two touch-driven electrodes;When adjacent two second sons scanning is separately contained in adjacent two
When during a first touch-driven electrode group is scanned, then there are two touch-driven electrodes to be swept between this two second sons sweep time
It retouches twice.
Similarly, it is inferred that carrying out touch-control to touch-control display panel in a manner of scanning n touch-driven electrode every time
When detection, when adjacent two second sons scanning be included in the same first touch-driven electrode group it is scanned during when, then this two
Second son has at least one and is no more than n-1 touch-driven electrode during scanning is scanned twice;When two adjacent second sons are swept
Retouch be separately contained in two adjacent the first touch-driven electrode groups it is scanned during when, then exist between this two second sons sweep time
N-1 touch-driven electrode is scanned twice.
It is understood that when the touch-control display panel of the present embodiment includes the second touch-driven electrode group, the second driving
When control unit and the second shift register cell, the timing of each signal equally can refer to Fig. 5 or timing shown in fig. 6, herein
It does not repeat.
With continued reference to Fig. 7, the schematic diagram of the fourth embodiment of the touch-control display panel of the application is shown.
Similar with embodiment shown in Fig. 4, in the present embodiment, touch-control display panel equally may include driving scanning circuit 71
With m the first touch-driven electrode groups 721, driving scanning circuit 71 equally may include shift register 74, m first driving control
Unit 731 processed and multiple touch-control display switch groups 75.
Unlike embodiment shown in Fig. 2, in same first drive control unit, with same first touch-control
Two two thin film transistor (TFT)s that the touch drive electrode is electrically connected of n-1 touch-driven electrode are spaced each other in driving electrodes group
The channel type of (that is, first switch) is different.
Specifically, as shown in fig. 7, including the touching in first the first touch-driven electrode group 721 so that n is 3 as an example
Control driving electrodes TX1~TX5In, touch-driven electrode TX1With touch-driven electrode TX4It is spaced two touch-driven electrodes, touch-control
Driving electrodes TX2With touch-driven electrode TX5It is spaced two touch-driven electrodes.In first the first drive control switch 731
In, first switch T11、T12、T13And T14Respectively with touch-driven electrode TX1、TX2、TX4And TX5It is electrically connected, wherein first switch
T11With T13Channel type it is different, first switch T12With T14Channel type it is different.For example, first switch T11And T12For NMOS
Thin film transistor switch and first switch T13And T14For PMOS thin film transistor switch or first switch T11And T12It is thin for PMOS
Film transistor switchs and first switch T13And T14For NMOS tft switch.
Two touch-driven electrodes due to being spaced each other two (that is, n-1) touch-driven electrodes will not be same
It is scanned during son scanning, in this way, can be by the touch drive electrode is electrically connected with the two in same first drive control unit
The grids of two first switches be connected to same thread switching control.For example, in first the first drive control unit 731
In, first switch T11With T13Grid and thread switching control CK1Electrical connection, first switch T12With T14Grid and switch control
Line CK2Electrical connection;Similarly, in m-th of first drive control units 731, first switch Tm1With Tm3Grid and switch control
Line CK processed1Electrical connection, first switch Tm2With Tm4Grid and thread switching control CK2Electrical connection.
The present embodiment is beneficial in that, reduces the quantity of thread switching control, to reduce thread switching control institute
The routing region accounted for is conducive to the realization of narrow frame.In addition, also being reduced when the signal of thread switching control is provided by integrated circuit
The output port quantity of integrated circuit.
Embodiment shown in Fig. 7 is identical as embodiment working principle shown in Fig. 4, and therefore not to repeat here.
With continued reference to Fig. 8, the schematic diagram of the 5th embodiment of the touch-control display panel of the application is shown.
Similar with embodiment shown in Fig. 4, in the present embodiment, touch-control display panel equally may include driving scanning circuit 81
With m the first touch-driven electrode groups 821, driving scanning circuit 81 equally may include shift register 84, m first driving control
Unit 831 processed and multiple touch-control display switch groups 85.
Unlike embodiment shown in Fig. 4, as shown in figure 8, the driving scanning circuit 81 of the present embodiment further includes patrolling
Volume or door 86.
Specifically, two connect in two adjacent the first drive control units 831 with the same touch-driven electrode
Be connected with logic sum gate 86 between thin film transistor (TFT) (that is, first switch), wherein two input terminals of logic sum gate 86 respectively with
Second pole of the two first switches is electrically connected, and the touch drive electrode is electrically connected with this for the output end of logic sum gate 86.
Still by n be 3 for, in first the first drive control unit 831 with touch-driven electrode TX4The first of connection opens
Close T13With in second the first drive control unit 831 with touch-driven electrode TX4The first switch T of connection21Respectively with logic
Or two input terminals connection of door 86, touch-driven electrode TX4(passing through touch-control display switch group 85) is defeated with logic sum gate 86
Outlet electrical connection.
The present embodiment is beneficial in that setting logic sum gate can prevent the first displacement from posting in driving scanning circuit 81
The shift output signal of memory cell 841 is accidentally transferred to the touch-control being not scanned in the first adjacent touch-driven electrode group 821
In driving electrodes, the accuracy rate of touch control detection ensure that.
For example, in first switch T13And T21Channel type identical (for example, PMOS thin film transistor (TFT)) and their grid
Pole is all connected to thread switching control CK1In the case where, as touch-driven electrode TX3~TX5When scanned, thread switching control CK1It mentions
For low level signal, thread switching control CK2High level signal is provided.If when not set logic sum gate 86, due to first switch T21
It is also on state this moment, so the shift output signal that first the first shifting deposit unit 841 provides will be misinformated
Transport to touch-driven electrode TX6Thin film transistor switch in the touch-control display switch group 85 of connection, so that touch-driven electrode
TX6Accidentally scanned;And be arranged after logic sum gate 86, shift output signal can not just pass through the first adjacent drive control unit
First switch in 831 is transmitted, to guarantee only have n touch-driven electrode scanned between every second son sweep time.
It optionally, include that any two that the touch drive electrode is electrically connected in two the first touch-driven electrode groups are thin
The channel type of film transistor is different.
Specifically, as shown in figure 8, with touch-driven electrode TX4Two first switch T of connection13And T21In, first
Switch T13The first switch T for NMOS tft21For PMOS thin film transistor (TFT) or first switch T13For PMOS film
Transistor and first switch T21For NMOS tft.
Which is advantageous in that, is connect in two adjacent the first drive control units with the same touch-driven electrode
Two thin film transistor (TFT)s between do not need to be electrically connected by logic sum gate.
For example, working as first switch T13And T21By same thread switching control (for example, thread switching control CK1) control when, In
Synchronization first switch T13And T21Only one is in the conductive state, in this way, when one of first switch is switched on,
Shift output signal can not be transferred to the first adjacent touch-control by another first switch (first switch is disconnected) and be driven
The touch-control display switch group 85 that moving electrode group 821 connects, to also can guarantee touching in the case where not needing setting logic sum gate
Control the accuracy of detection.
In the present embodiment, due to not needing additional logic sum gate, to reduce domain shared by driving scanning circuit
Area is conducive to the realization of narrow frame.
With continued reference to Fig. 9, the schematic diagram of one embodiment of the touch-control display panel of the application is shown.
As shown in figure 9, touch-control display panel 900 may include the array substrate 920 being oppositely arranged and color membrane substrates 910 and
Liquid crystal layer 930 between array substrate 920 and color membrane substrates 910 is set.Wherein, color membrane substrates 910 may include touch-control sensing
Electrode 911, array substrate 920 may include public electrode 921, and 921 reusable of public electrode is touch-driven electrode.
During touch-control, scanning circuit is driven to successively provide touch scanning signals to each touch-driven electrode 921, and receive
Then the touch sense signals of each touch-control sensing electrode 911 determine according to the difference of the touch sense signals received and touch position
It sets.During display, driving scanning circuit provides public voltage signal to public electrode 921, so that array substrate 920 and color film
The liquid crystal molecule in liquid crystal layer 930 between substrate 910 deflects under the electric field action that public electrode and pixel electrode are formed, from
And realize the display of predetermined picture.
The present embodiment is beneficial in that, common electrode layer is multiplexed with touch-driven electrode layer, and it is aobvious to simplify touch-control
The structure for showing panel is conducive to the lightening of touch-control display panel.
In addition, disclosed herein as well is a kind of driving methods of touch-control display panel, for driving the various embodiments described above
Touch-control display panel.
Figure 10 shows the schematic flow chart of the driving method of the touch-control display panel of the application.
During during the touch-control scanning of touch-control display panel including multiple adjacent son scannings, this method comprises:
Step 1010, between every sub- sweep time, n adjacent touch-driven electrode is scanned.
Step 1020, during two adjacent son scannings, it is scanned twice that there are at least one touch-driven electrodes.
Herein, when being applied to the driving method of the touch-control display panel of the present embodiment such as Fig. 2, Fig. 3, Fig. 4, Fig. 7 or
When touch-control display panel shown in Fig. 8, the timing of each signal be may refer to shown in Fig. 5 or Fig. 6.
It should be noted that although Figure 10 show step 1010 and step 1020 execute sequence, this is only to show
Meaning property.It is understood that step 1010 and step 1020 can be occurred with being different from the sequence marked in attached drawing, this according to
Depending on related function.
Optionally, during i-th of first shifting deposit units provide shift output signal, i-th of first drive controls
N-1 adjacent first switch conducting, shift output signal are transferred in i-th of first touch-driven electrode groups in unit
N touch-driven electrode;When not scanned touch-driven electrode is not present in i-th of first touch-driven electrode groups, i-th
A first shifting deposit unit stops providing shift output signal, and the first shifting deposit unit of i+1 provides displacement output letter
Number.Wherein, i is positive integer, and i≤m.
In this way, realizing and being moved same first by controlling the first switch in same first drive control unit
Position deposit unit scans the binding of the same first touch-driven electrode group during providing shift output signal, in this way, one
First touch-driven electrode group (or, 2n-1 touch-driven electrode) only needs first shifting deposit unit, to reduce
The quantity of first shifting deposit unit of shift register cascade.
Optionally, it during i-th of first shifting deposit units provide shift output signal, is swept including n adjacent sons
It retouches;During j-th of son scanning, j-th in i-th of first drive control units to+n-2 first switches conductings of jth.Its
In, j is the positive integer less than n.
Which realizes that there are n-1 touchings between n touch-driven electrode, two adjacent second son sweep times to scan every time
The scanned mode twice of driving electrodes is controlled, binding scanning is carried out to touch-control driving panel.
Optionally, after n-th of touch-driven electrode in i-th of first touch-driven electrode groups is scanned n times, i+1
The 1st to (n-1)th first switch conducting in a first drive control unit.
Since n-th of touch-driven electrode in i-th of first touch-driven electrode groups is directly posted with i-th first displacements
Memory cell electrical connection, therefore, during i-th of first shifting deposit units provide n son scanning of shift output signal, the touching
Control driving electrodes have been scanned n times.To complete the touch-control scanning to i-th of first touch-driven electrode groups.Then, i+1
A first shifting deposit unit provides shift output signal, and the 1st to (n-1)th in the first drive control unit of i+1
First switch conducting starts to carry out touch-control scanning to the first touch-driven electrode group of i+1.Thereby realize the first touch-control
Scanning switching between driving electrodes group.
Optionally, it during i-th of first shifting deposit units provide shift output signal, is swept including k adjacent sons
It retouches;During j-th of son scanning, in i-th of first drive control units theIt is a to
A first switch conducting.Wherein, j, k are natural number, k>=2, j<k, and n-1 is the multiple of k-1.
Which is realized to be existed between n touch-driven electrode, two adjacent second son sweep times to scan every time
The scanned mode twice of a touch-driven electrode, carries out binding scanning to touch-control driving panel.
Similarly, after n-th of touch-driven electrode in i-th of first touch-driven electrode groups is k times scanned, i+1
The 1st to (n-1)th first switch conducting in a first drive control unit.Thereby realize the first touch-driven electrode
Scanning switching between group.
Disclosed herein as well is a kind of touch control display apparatus, as shown in Figure 11.Wherein, touch control display apparatus 1100 can wrap
Include touch-control display panel as above.It will be appreciated by those skilled in the art that touch control display apparatus is in addition to including that touch-control as above is aobvious
Show except panel, can also include some other well known structures.It, will be no longer to these in order not to obscure the emphasis of the application
Well known structure is described further.
The touch control display apparatus of the application can be any device comprising touch-control display panel as above, including but unlimited
In cellular mobile phone 1100 as shown in figure 11, tablet computer, computer display, be applied to intelligent wearable device on
Display, applied to display device on the vehicles such as automobile etc..As long as touch control display apparatus contains the application public affairs
The structure for the touch-control display panel opened just has been contemplated as falling within the protection scope of the application.
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 the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (14)
1. a kind of touch-control display panel, which is characterized in that the touch-control display panel includes that driving scanning circuit and m successively arrange
First touch-driven electrode group of column;
Each first touch-driven electrode group includes the touch-driven electrodes that 2n-1 is arranged successively, and two of arbitrary neighborhood
The first touch-driven electrode group has the n-1 common touch-driven electrodes;
The driving scanning circuit includes:
With each one-to-one m of first touch-driven electrode group the first drive control units, each first drive control
Unit includes the first control signal, multiple first switches and drives with each touch-control in the first corresponding touch-driven electrode group
One-to-one 2n-1 the first control output ends of moving electrode;And
Shift register, including with each one-to-one m of first drive control unit cascade first shifting deposit units, often
A first shifting deposit unit includes the first Shift outputs;
Wherein, first control signal and first Shift outputs of the first corresponding shifting deposit unit are electrically connected
Connect, first control output end and it is corresponding the touch drive electrode is electrically connected, and it is same it is described first driving control
In unit processed, first control output end is electrically connected with first control signal, remaining described first control
Output end is electrically connected by the first switch with first control signal respectively;
Wherein, m, n are the integer greater than 1.
2. touch-control display panel according to claim 1, which is characterized in that the touch-control display panel further includes the second touching
Driving electrodes group is controlled, the second touch-driven electrode group includes no less than n and is no more than the 2n-1 touch-control driving electricity
Pole, the second touch-driven electrode group is adjacent with m-th of first touch-driven electrode group, and second touch-control drives
Moving electrode group has the n-1 common touch-driven electrodes with m-th of first touch-driven electrode group;
The driving scanning circuit further includes the second drive control unit, and second drive control unit includes that the second control is defeated
Enter end, multiple second switches and each touch-driven electrode one-to-one multiple second with the second touch-driven electrode group
Control output end;
The shift register further includes the second shifting deposit unit, second shifting deposit unit and m-th described first
Shifting deposit unit cascade, second shifting deposit unit include the second Shift outputs;
Wherein, second control signal and second Shift outputs of the second corresponding shifting deposit unit are electrically connected
Connect, second control output end and it is corresponding the touch drive electrode is electrically connected, and in second drive control unit
In, second control output end is electrically connected with second control signal, remaining described second control output end
It is electrically connected respectively by the second switch with second control signal.
3. touch-control display panel according to claim 1, which is characterized in that the first switch is thin film transistor (TFT).
4. touch-control display panel according to claim 1, which is characterized in that the driving scanning circuit further includes touch-control letter
Number line, public pressure wire, common voltage control line and multiple touch-control display switch groups;
Wherein, first control output end passes through the touch-control display switch group and corresponding touch-driven electrode electricity
Connection, signal of the touch-control display switch group based on first control output end believe the touch-control on the touching signals line
The touch-driven electrode or signal based on the common voltage control line number are transferred to by the public affairs in the public pressure wire
Common voltage signal is transferred to the touch-driven electrode.
5. touch-control display panel according to claim 3, which is characterized in that in same first drive control unit
Each thin film transistor (TFT) channel type it is identical.
6. touch-control display panel according to claim 3, which is characterized in that in same first drive control unit
In, with two touchings for being spaced each other the n-1 touch-driven electrodes in the same first touch-driven electrode group
The channel type for controlling two thin film transistor (TFT)s of driving electrodes electrical connection is different.
7. touch-control display panel according to claim 3, which is characterized in that the first drive control list of adjacent two
Logic sum gate is connected between two thin film transistor (TFT)s connecting in member with the same touch-driven electrode.
8. touch-control display panel according to claim 3, which is characterized in that be included in two the first touch-control driving electricity
The channel type of any two that the touch drive electrode is electrically connected thin film transistor (TFT) in the group of pole is different.
9. touch-control display panel according to claim 1, which is characterized in that the touch-control display panel includes: opposite sets
The array substrate and color membrane substrates set and the liquid crystal layer between the array substrate and the color membrane substrates;
Wherein, the array substrate includes public electrode, and the public electrode is multiplexed with the touch-driven electrode.
10. a kind of driving method for driving touch-control display panel as claimed in claim 1 or 2, which is characterized in that touch-control scanning
It is scanned including multiple adjacent sons,
The described method includes:
During each sub- scanning, the adjacent n touch-driven electrodes are scanned;
During two adjacent sub- scannings, it is scanned twice that there are touch-driven electrodes described at least one.
11. driving method according to claim 10, which is characterized in that mentioned in i-th of first shifting deposit unit
For during shift output signal, the adjacent n-1 first switches are connected in i-th of first drive control unit, institute
State the n touch-driven electrodes that shift output signal is transferred in i-th of first touch-driven electrode group;
When the not scanned touch-driven electrode is not present in i-th of first touch-driven electrode group, i-th of institute
It states the first shifting deposit unit to stop providing shift output signal, it is defeated that i+1 first shifting deposit unit provides displacement
Signal out;
Wherein, i is positive integer, and i≤m.
12. driving method according to claim 11, which is characterized in that mentioned in i-th of first shifting deposit unit
For during shift output signal, including the n adjacent sub- scannings;During j-th of the sub- scanning, i-th described
J-th to the jth+n-2 first switch conducting in one drive control unit;
Wherein, j is the positive integer less than n.
13. driving method according to claim 12, which is characterized in that in i-th of first touch-driven electrode group
N-th of touch-driven electrode be scanned n times after, the 1st to n-th-in i+1 first drive control unit
1 first switch conducting.
14. a kind of touch control display apparatus, which is characterized in that aobvious including the touch-control as described in any one in claim 1-9
Show panel.
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