CN106775119B - Touch drive circuit, touch-control display panel and driving method - Google Patents
Touch drive circuit, touch-control display panel and driving method Download PDFInfo
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- CN106775119B CN106775119B CN201710028392.6A CN201710028392A CN106775119B CN 106775119 B CN106775119 B CN 106775119B CN 201710028392 A CN201710028392 A CN 201710028392A CN 106775119 B CN106775119 B CN 106775119B
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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
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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 touch drive circuit, touch-control display panel and applied to the driving method of touch-control display panel.Touch drive circuit includes multiple gating control cells；Wherein, gating control cells include the first clock signal input terminal, second clock signal input part, the first signal input part, the first latch module, the second latch module, NAND gate, the first phase inverter, gate control signal output end and shift signal output end；First latch module includes the first output end, and the first input end of NAND gate is connected to the first output end, and the second input terminal of NAND gate is connected to second clock signal input part；The output end of NAND gate is connected to the input terminal of the first phase inverter, and the output end of the first phase inverter is connected to gate control signal output end；The input terminal of second latch module is connected to the first output end.By the way that the first latch module, the second latch module is arranged, any number of rolling scanning of touch-driven electrode may be implemented, improve touch-control effect.
Description
Technical field
This application involves field of display technology more particularly to touch drive circuit, touch-control display panel and it is applied to touch-control
The driving method of display panel.
Background technique
Touch display screen is divided into self-tolerant touch display screen and mutual capacitance type touch display screen according to its touch-control principle.It is existing
Mutual capacitance type touch display screen usually utilizes touch-driven electrode and touch-control sensing electrode to form mutual capacitance, mutual when being touched by measurement
The variation of the quantity of electric charge detects touch point in capacitor.In the driving framework of the touch display screen of above-mentioned mutual capacitance type, need to design
Touch drive circuit successively to provide touch scanning signals to touch-driven electrode.Touch drive circuit may include multistage gating
Control unit, the corresponding touch-driven electrode of every level-one gating control cells, every level-one gating control cells are respectively by upper one
It is exported after the signal displacement of grade shift unit output.
Existing gating control cells usually can only once gate a touch-driven electrode to pass to touch-driven electrode
Defeated touch scanning signals, this reduces the semaphores that the marginal reception of each touch-driven electrode arrives, to reduce touch-control
The touch-control sensitivity of display panel.
Summary of the invention
In view of this, it is desired to be able to which a kind of improved touch drive circuit, the touching comprising above-mentioned touch drive circuit are provided
Display panel and the driving method applied to above-mentioned touch-control display panel are controlled, to solve the skill that background section above is mentioned
Art problem.
In a first aspect, being applied to touch-control display panel, touch drive circuit this application provides a kind of touch drive circuit
Including multiple gating control cells；Wherein, gating control cells include the first clock signal input terminal, the input of second clock signal
End, the first signal input part, gating control module, gate control signal output end and shift signal output end；Gating control
Module includes the first latch module, NAND gate, the first phase inverter；Wherein, the first latch module includes the first output end, NAND gate
First input end be connected to the first output end, the second input terminal of NAND gate is connected to second clock signal input part；With it is non-
The output end of door is connected to the input terminal of the first phase inverter, and the output end of the first phase inverter is connected to gate control signal output
End；Gating control cells further include the second latch module, and the input terminal of the second latch module is connected to the first output end；First lock
The starting of the first clock signal and the input of the first signal input part that storing module is used to input in the first clock signal input terminal
Under the collective effect of signal, the first output signal is transmitted to the first output end；Control module is gated in the first output signal and the
Under the action of the second clock signal of two clock signal input terminals input, gating control letter is exported to gate control signal output end
Number；Second latch module is used under the action of the first output signal and second clock signal, defeated to shift signal output end
Shift signal out.
Second aspect, this application provides a kind of touch-control display panel, touch-control display panel includes touch-control as described above
Driving circuit and integrated circuit；First clock signal input terminal, second clock signal input part and first order gating control
First signal input part of unit is respectively connected to integrated circuit, and integrated circuit is used to provide the to the first clock signal input terminal
One clock signal provides second clock signal to second clock signal input part and to the first of first order gating control cells
Signal input part provides enabling signal.
The third aspect, this application provides a kind of driving methods applied to above-mentioned touch-control display panel, this method comprises:
The first clock signal is provided to the first clock signal input terminal, provides second clock signal to second clock signal input part, to
First signal input part provides the first signal, and the first latch module is based on the first clock signal and the first signal to the first output
End provides the first output signal；Under the action of the first output signal and second clock signal, gating control cells are controlled to gating
Signal output end processed exports gate control signal；Second latch module is based on the first output signal and second clock signal, to
Shift signal output end exports shift signal.
Touch drive circuit, touch-control display panel and the driving side applied to touch-control display panel provided by the present application
Method can control since gating control cells include two identical latch modules and NAND gate, the first phase inverter with for the moment
The quantity of the interior touch-driven electrode for receiving touch scanning signals, to realize the rolling of any number of touch-driven electrode
Scanning, improves the touch detection effect of touch-control display panel.
Detailed description of the invention
Non-limiting embodiment is described in detail referring to made by the following drawings by reading, other features,
Objects and advantages will become more apparent upon:
Fig. 1 is the overall structure signal of one embodiment of the gating control cells of touch drive circuit provided by the present application
Figure；
Fig. 2 is the structural schematic diagram of another embodiment of gating control cells provided by the present application；
Fig. 3 is the structural schematic diagram of one embodiment of touch drive circuit provided by the present application；
Fig. 4 is the structural schematic diagram of another embodiment of touch drive circuit provided by the present application；
Fig. 5 is the working timing figure of one embodiment of gating control cells provided by the present application；
Fig. 6 is the working timing figure of another embodiment of gating control cells provided by the present application；
Scheme about when Fig. 7 is the work of the further embodiment of gating control cells provided by the present application；
Fig. 8 is an overall structure diagram of touch-control display panel provided by the present application；
The flow chart of the embodiment of a driving method provided by the present application when Fig. 9.
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 related 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.
The touch drive circuit of the application is applied to touch-control display panel, and touch-control display panel includes multiple touch-control driving electricity
Pole, touch drive circuit include multiple gating control cells.Fig. 1 shows a choosing of touch drive circuit provided by the present application
The overall structure diagram of the embodiment of logical control unit.
As shown in Figure 1, gating control cells 100 include the first clock signal input terminal CK1, second clock signal input part
CK2, the first signal input part IN, gating control module 10, gate control signal output end TXSEL and shift signal output
Hold NEXT.
Gating control module 10 includes the first latch module 11, NAND gate Q1 and the first phase inverter K1, and first latches mould
Block 11 includes two input terminals and the first output end OUT1.Wherein two input terminals of the first latch module 11 are respectively with first
Clock signal input terminal CK1 and the first signal input part IN connection, the first output end OUT1 are connected to the first of NAND gate Q1
Input terminal.
The second input terminal of NAND gate Q1 is connected to second clock signal input part CK2, the output end connection of NAND gate Q1
To the input terminal of the first phase inverter K1, the output end of the first phase inverter K1 is connected to the gating control letter of gating control cells 100
Number output end TXSEL.
Gating control cells 100 further include the second latch module 12, and the second latch module 12 includes two input terminals, one
Output end, wherein an input terminal of the second latch module 12 is connected to the first output end OUT1 of the first latch module 11, the
Another input terminal of two latch modules 12 is connected to second clock signal input part CK2, the output end of the second latch module 12
It is connected to the shift signal output end NEXT of gating control cells 100.
First latch module 11 is used to believe in the first clock signal input terminal CK1 the first clock signal inputted and first
Under the collective effect of the enabling signal of number input terminal IN input, to the first output end OUT1 of the first latch module 11 transmission first
Output signal, and the second clock signal of this signal and second clock control signal input CK2 transmission is subjected to NAND operation
It is transmitted to the input terminal of the first phase inverter K1 afterwards, is controlled after the first phase inverter K1 reverse phase to the gating of gating control cells 100
Signal output end TXSEL exports gate control signal.
Second latch module 12 is used for the first output signal transmitted in the first output end OUT1 of the first latch module 11
And under the action of the second clock signal of second clock control signal input CK2 input, the shifting to gating control cells 100
Position signal output end NEXT transmits shift signal.
According to the structure of gating control cells provided by the above embodiment, within a frame period, pass through the first letter of control
The working sequence of the signal of number input terminal IN transmission in other words makes touch-control by control the first signal input part IN input
Driving circuit keeps the duration of the level signal of touch-control scanning mode, to control the touching for receiving touch scanning signals in the same time
The quantity for controlling driving electrodes realizes the rolling scanning of any number of touch-driven electrode, to improve touch-control display panel
Touch-control effect.
Optionally, touch drive circuit can also include multiple drive control units, the gating of each gating control cells 100
Control signal output TXSEL can be connected with each drive control unit, and drive control unit is used in the display stage to battle array
Touch-driven electrode on column substrate provides public voltage signal, provides touch-control to each touch-driven electrode in touch-control scan phase
Scanning signal.Herein, each gating control cells 100 are used to provide gating control letter to the input terminal of above-mentioned drive control unit
Number so that each touch-driven electrode timesharing receives touch scanning signals and public voltage signal.The shift signal of gating control cells
Output end NEXT and the gating control cells of its next stage are attached, for providing starting to the gating control cells of next stage
Signal works to start it.
Continuing with reference to Fig. 2, it illustrates another embodiments of gating control cells provided by the embodiments of the present application
Structural schematic diagram.
Similar with embodiment shown in FIG. 1, the gating control cells 200 of the present embodiment equally include the first latch module
21, the second latch module 22, the first clock signal input terminal CK1, second clock signal input part CK2, the first signal input part
IN, NAND gate Q1, the first phase inverter K1, gate control signal output end TXSEL and shift signal output end NEXT.Wherein,
First latch module 21 includes two input terminals and the first output end OUT1, wherein two input terminals of the first latch module 21
It is connect respectively with the first clock signal input terminal CK1 and the first signal input part IN.First output end of the first latch module
OUT1 is connected to the first input end of NAND gate Q1, and the second input terminal of NAND gate Q1 is connected to second clock signal input part
CK2, the output end of NAND gate Q1 are connected to the input terminal of the first phase inverter K1, and the output end of the first phase inverter K1 is connected to gating
The gate control signal input terminal TXSEL of control unit 200.Second latch module 22 includes two input terminals, an output end,
Wherein an input terminal of the second latch module 22 is connected to the first output end OUT1 of the first latch module 21, and second latches mould
Another input terminal of block 22 is connected to second clock control signal input CK2.
Unlike embodiment shown in FIG. 1, further the first latch module 21 and second is latched in the present embodiment
The structure of module 22 has carried out specific description.
In the present embodiment, the first latch module 21 further includes the second phase inverter K2, the first clocked inverter R1 and third
Phase inverter K3.Herein, the first clocked inverter R1 includes input, output end and two control terminals, i.e. the first control terminal
With the second control terminal.The input terminal of second phase inverter K2 is connected to the first clock signal input terminal CK1, and the second phase inverter K2's is defeated
Outlet is connected to the first control terminal of the first clocked inverter R1.The second control terminal of first clocked inverter R1 is connected to first
Clock signal input terminal CK1, the input terminal of the first clocked inverter R1 are connected to the first signal input part IN, the first clock inversion
The output end of device R1 is connected to the input terminal of third phase inverter K3.The output end of third phase inverter K3 is connected to the first latch module
21 the first output end OUT1.
First latch module 21 further includes second clock phase inverter R2.Second clock phase inverter R2 include two control terminals,
Input, output end.The input terminal of second clock phase inverter R2 is connected to the output end of third phase inverter K3, second clock reverse phase
The output end of device R2 is connected to the input terminal of third phase inverter K3, and the first control terminal of second clock phase inverter R2 is connected to first
Clock signal input terminal CK1, the second control terminal of second clock phase inverter R2 are connected to the output end of the second phase inverter K2.
Please continue to refer to shown in Fig. 2, in the present embodiment, when the second latch module 22 further includes the 4th phase inverter K4, third
Clock phase inverter R3 and the 5th phase inverter K5, third clocked inverter R3 include input, output end and two control terminals.Its
In, the input terminal of the 4th phase inverter K4 is connected to second clock signal input part CK2, and the output end of the 4th phase inverter K4 is connected to
The first control terminal of third clocked inverter R3.It is defeated that the second control terminal of third clocked inverter R3 is connected to second clock signal
Enter and hold CK2, the input terminal of third clocked inverter R3 is connected to the first output end OUT1 of the first latch module 21, third clock
The output end of phase inverter R3 is connected to the input terminal of the 5th phase inverter K5.The output end of 5th phase inverter K5 is connected to gating control
The shift signal output end NEXT of unit 200.
Second latch module 22 further includes the 4th clocked inverter R4, and the 4th clocked inverter R4 includes input terminal, output
End and two control terminals.The input terminal of 4th clocked inverter R4 is connected to the output end of the 5th phase inverter K5, the 4th clock
The output end of phase inverter R4 is connected to the input terminal of the 5th phase inverter K5.The first control terminal of the 4th clocked inverter R4 connects
It is connected to the second clock signal input part CK2, the second control terminal of the 4th clocked inverter R4 is connected to the described 4th
The output end of phase inverter K4.
The gating control cells 200 of the present embodiment, by the way that phase is arranged in the first latch module 21 and the second latch module 22
Same structure, and pass through the first signal input part IN, the first clock signal input terminal CK1 and second clock signal input part
CK2 transmits signal to gating control cells 200, realizes to the touch-control for receiving touch scanning signals in the time same in array substrate
The quantity of driving electrodes controls, and improves the touch-control effect of touch-control display panel.
Continuing with reference to Fig. 3, it illustrates the structural schematic diagrams of touch drive circuit 300 provided by the embodiments of the present application.
Touch drive circuit 300 includes gating control cells 311,312,313 ..., for example including gating as shown in Figure 2
Control unit.Touch drive circuit 300 further includes the first clock signal terminal CK_1, second clock signal end CK_2 and the first letter
Number end IN_1, the first clock signal input terminal CK1 of each gating control cells 311,312,313 ... be connected to the first clock letter
Number end CK_1, the second clock signal input part CK2 of each gating control cells 311,312,313 ... be connected to second clock letter
Number end CK_2, the first signal input part IN of the first order gating control cells 311 of touch drive circuit 300 is connected to the first letter
Number end IN_1, and start the work of each gating control cells as the shift signal control terminal of touch drive circuit 300, it is each to gate
First signal input part IN of control unit 312,313 ... is connected to the gating control cells 311,312 ... of its previous stage
Shift signal output end.
In the present embodiment, each gating control cells 311,312,313 ... of touch drive circuit 300, which can integrate, is touching
It controls in the integrated circuit on display panel, and believes to the first clock signal terminal CK_1, second clock signal end CK_2 and first
Number end IN_1 provide signal, reduce the occupied panel space of touch drive circuit for driving touch-driven electrode, have
Conducive to the design for realizing narrow frame.
Continuing with reference to Fig. 4, it illustrates the structures of another touch drive circuit 400 provided by the embodiments of the present application to show
It is intended to.
In the present embodiment, as shown in figure 4, touch drive circuit 400 include multiple gating control cells 411,412,
413 ..., for example including gating control cells as shown in Figure 2.Wherein, the first signal input part IN of gating control cells 411
Start each gating control cells work, n-th gating control cells as the shift signal control terminal of touch drive circuit 400
The first signal input part IN be connected to previous stage adjacent thereto gating control cells shift signal output end NEXT,
Middle N is more than or equal to 2.When each gating control cells 411,412,413 ... further include the first clock signal input terminal CK1 and second
Clock signal input part CK2.
Unlike touch drive circuit 300 shown in Fig. 3, touch drive circuit 400 shown in the present embodiment is also wrapped
Multiple drive control units 421,422,423 ... are included, each drive control unit 421,422,423 ... is defeated including gate control signal
Enter end, touching signals control terminal TXSW, display signal control terminal VSEL, public voltage signal input terminal VCOM and signal output
Hold OUT, wherein the gate control signal input terminal of each drive control unit is controlled with the gating of each gating control cells
Signal output end TXSEL connection, i.e. gating control cells 411,412,413 ... and drive control unit 421,422,423 ... one
One is correspondingly connected with.Touch-driven electrode on the signal output end OUT and array substrate of each drive control unit 421,422,423 ...
It connects one to one.During touch-control, each 421,422,423 ... timesharing of gating control cells gating, and by gate control signal
The signal of output end TXSEL output is transmitted to drive control unit, and each drive control unit is defeated in touching signals control terminal TXSW
Touch scanning signals are transmitted to each touch-driven electrode under the control of the signal entered；During display, each drive control unit
To the common electrical for inputting public voltage signal input terminal VCOM under the control of the signal of display signal control terminal VSEL input
Pressure signal is transmitted to touch-driven electrode.
With continued reference to FIG. 5, it illustrates a working timing figures of gating control cells provided by the embodiments of the present application.
In the present embodiment, by taking first order gating control cells and second level gating control cells as an example, in conjunction with Fig. 2-Fig. 4, to each choosing
The working principle of logical control unit is further elaborated.
In Fig. 5, in indicates that the signal of the first signal input part IN input, ck1 indicate the first clock signal input terminal CK1
The signal of input, ck2 indicate that the signal of second clock signal input part CK2 input, txsel_1 indicate that first order gating control is single
The gate control signal of 411 output of member, txsel_2 indicate the gate control signal that second level gating control cells 412 export,
Tx1 indicates the touch scanning signals that touch-driven electrode TX1 corresponding with first order gating control cells is received, tx2 table
Show the touch scanning signals that touch-driven electrode TX2 corresponding with second level gating control cells is received.
As shown in figure 5, providing high level signal in display stage T51 to the first signal input part IN, believing to the first clock
Number input terminal CK1 provides high level signal, provides low level signal to second clock signal input part CK2.At this point, relative to
Level-one gating control cells 411, the first clocked inverter R1 are connected under the control of two control terminal, the first signal input part
High level signal is transmitted to the first clocked inverter R1 by IN, and the low level signal after the first clocked inverter R1 reverse phase passes
The input terminal of third phase inverter K3 is transported to, which is transmitted to the first latch module 21 after third phase inverter K3 reverse phase
The first output end OUT1, which is provided to the first input end of NAND gate Q1, and the second input with NAND gate Q1 simultaneously
High level signal after holding the low level signal NAND operation of input is transmitted to the first phase inverter K1, i.e. first order gating control at this time
The gate control signal output end TXSEL of unit 411 processed exports low level signal, which is provided to gate with the first order and control
The drive control unit 421 that unit 411 is connected carries out display driving to touch-driven electrode TX1, at this time touch-driven electrode
TX1 receives public voltage signal.
The third clocked inverter R3 of first order gating control cells 411 is inputted in second clock signal input part CK2
End under the control of low level signal, output end, that is, shift signal output end NEXT of the second latch module 22 is not latched with second
The variation of the input terminal of module 22 and change, shift signal output end NEXT keeps the signal that exports on last stage constant at this time.
Based on working principle same as first order gating control cells 411, second level gating control cells 412 at this time
Gate control signal output end TXSEL exports low level signal, which is provided to is connected with second level gating control cells 412
The drive control unit 422 connect carries out display driving to touch-driven electrode TX2, and touch-driven electrode TX2 receives public affairs at this time
Common voltage signal.
In touch detection stage T52, low level letter is provided to the first signal input part IN of the first gating control cells 411
Number, low level signal is provided to the first clock signal input terminal CK1, provides high level letter to second clock signal input part CK2
Number.At this point, relative to first order gating control cells 411, the first clocked inverter R1 cut-off, the first of the first latch module 21
Output end OUT1 does not change with the change of the first signal input part IN, and keeps the state of previous stage, i.e. the height in T51 stage
Level, the high level signal and second clock signal that NAND gate Q1 latches the first output end OUT1 of the first latch module 21
After the high level signal NAND operation of input terminal CK2 transmission, low level signal is provided to the input terminal of the first phase inverter K1, it should
Low level signal is transmitted to the gate control signal output end TXSEL of gating control cells after the first phase inverter K1 reverse phase, this
When first order gating control cells 411 gate control signal output end TXSEL export high level signal, the signal be provided to
The drive control unit 412 that first order gating control cells 411 are connected carries out touch-control driving to touch-driven electrode, touches at this time
Control driving electrodes TX1 receives touch scanning signals.
The third clocked inverter R3 of first order gating control cells 411 is inputted in second clock signal input part CK2
It is connected under the control of high level signal, the high level signal of the first output end OUT1 of the first latch module 21 output is transmitted to the
The input terminal of three clocked inverter R3, the 5th phase inverter K5 of high level signal offer after third clocked inverter R3 reverse phase
Input terminal export high level signal from shift signal output end NEXT and after the 5th phase inverter K5 reverse phase.At this time due to
The signal of one clock signal input terminal CK1 input is low level signal, the first output end of second level gating control cells 412
OUT1 keeps the signal in T51 stage constant, at this time the gate control signal output end TXSEL of second level gating control cells 412
Low level signal is exported, touch-driven electrode TX2 corresponding with second level gating control cells 412 receives common voltage at this time
Signal.
In display stage T53, low level signal is provided to the first signal input part IN of the first gating control cells 411,
High level signal is provided to the first clock signal input terminal CK1, provides low level signal to second clock signal input part CK2.
At this point, the high level that the first clocked inverter R1 of the first gating control cells 411 is inputted in the first clock signal input terminal CK1
It is connected under the control of signal, the low level signal that the input terminal of the first clocked inverter R1 inputs the first signal input part IN is anti-
The input terminal of third phase inverter K3 is transmitted to after phase, and first to the first latch module 21 after third phase inverter K3 reverse phase is defeated
Outlet OUT1 exports low level signal.The low level signal and second clock signal input part CK2 input low level signal into
High level signal is provided to the input terminal of the first phase inverter K1, the gate control signal of gating control cells after row NAND operation
Output end TXSEL exports low level signal, and it is right which is provided to the drive control unit 421 being connected with gating control cells
Touch-driven electrode TX1 carries out display driving, and touch-driven electrode TX1 receives public voltage signal at this time.
The third clocked inverter R3 of first gating control cells 411 transmits low in second clock signal input part CK2
End under the action of level signal, the 4th clocked inverter R4 conducting, output end, that is, shift signal of the second latch module 22 is defeated
Outlet NEXT does not change with the variation of the input terminal of the second latch module 22, and shift signal output end NEXT keeps T52 at this time
The high level signal in stage is constant, and the gate control signal output end TXSEL output of second level gating control cells 412 is low at this time
Level signal, touch-driven electrode TX2 corresponding with second level gating control cells TXSEL receive public voltage signal.
Stage T54 is being touched, is providing low level signal to the first signal input part IN of the first gating control cells 411,
Low level signal is provided to the first clock signal input terminal CK1, provides high level signal to second clock signal input part CK2.
At this point, the first clocked inverter R1 of the first gating control cells 411 ends, second clock phase inverter R2 conducting, first is latched
The signal of the first output end OUT1 output of module 21 keeps the low level signal in T53 stage constant, shift signal output end
TXSEL_1 exports low level signal, at this point, touch-driven electrode TX1 corresponding with first order gating control cells 411 is received
To public voltage signal.
The third clocked inverter R4 of first gating control cells 411 is connected, and defeated by the first of the first inversed module 21
The input terminal of the 5th phase inverter K5 is transmitted to after the low level signal reverse phase of outlet OUT1 output, at this time shift signal output end
NEXT exports low level signal, according to the working principle in T52 stage, at this time the gating control of second level gating control cells 412
Signal output end TXSEL_2 exports high level signal, which is provided to the drive being connected with second level gating control cells 412
Dynamic control unit 422 is to carry out touch-control driving to touch-driven electrode, and touch-driven electrode TX2 receives touch-control scanning letter at this time
Number.
Herein it is worth noting that, the rising edge of the signal of second clock signal input part CK2 input is relative to first
The failing edge of the signal of clock signal input terminal CK1 input has certain delay, the first clock signal input terminal CK1 input
The rising edge of signal has relative to the failing edge of the second clock signal input part CK2 signal inputted to certain delay.This
Sample one avoids believing due to the signal of the first clock signal input terminal CK1 and the signal of second clock signal input part CK2
The first clocked inverter to the 4th clocked inverter is caused to be on state due to the delay of signal during number switching,
Improve the stability of circuit.
With continued reference to FIG. 6, it illustrates another working sequences of gating control cells provided by the embodiments of the present application
Figure.
In Fig. 6, in indicates that the signal of the first signal input part IN input of gating control cells 411, ck1 indicate first
The signal of clock signal input terminal CK1 input, ck2 indicate the signal of second clock signal input part CK2 input, txsel_1 table
Show that the gate control signal of first order gating control cells output, txsel_2 indicate the choosing of second level gating control cells output
Logical control signal, txsel_3 indicate that the gate control signal of third level gating control cells output, next1 indicate first order choosing
The of the signal of the gate control signal output end NEXT output of logical control unit 411 namely second level gating control cells 412
The signal of one signal input part IN input, next2 indicate the gate control signal output end of second level gating control cells 412
The signal of the first signal input part IN input of the signal namely third level gating control cells 413 of NEXT output.Tx1 is indicated
The touch scanning signals that touch-driven electrode TX1 corresponding with first order gating control cells is received, tx2 are indicated and second
The touch scanning signals that the corresponding touch-driven electrode TX2 of grade gating control cells is received, tx3 indicate to gate with the third level
The touch scanning signals that the corresponding touch-driven electrode TX3 of control unit is received.In conjunction with Fig. 2-Fig. 4, to as shown in FIG. 6
The working sequence of gating control cells is further elaborated.
It is low level signal that each gate control signal output end NEXT is set during initialization, sets each gating control
The gate control signal output end TXSEL of unit is low level signal.
In display stage T61, high level letter is provided to the first signal input part IN of first order gating control cells 411
Number, high level signal is provided to the first clock signal input terminal CK1, provides low level letter to second clock signal input part CK2
Number.At this point, first output end OUT1 of the first latch module 21 exports high level relative to first order gating control cells 411
Signal, gate control signal output end TXSEL export low level signal, which is provided to and first order gating control cells
411 drive control units 421 being connected carry out display driving to touch-driven electrode TX1, and touch-driven electrode TX1 connects at this time
Receive public voltage signal.
Shift signal output end NEXT keeps level on last stage constant, at this time first order gating control cells 411
Shift signal output end NEXT is low level signal.The gate control signal output end of second level gating control cells 412 at this time
TXSEL exports low level signal, which is provided to the drive control unit being connected with second level gating control cells 412
422 couples of touch-driven electrode TX2 carry out display driving, and touch-driven electrode TX2 receives public voltage signal at this time.
Stage T62 is being touched, high level signal is being provided to the first signal input part IN, to the first clock signal input terminal
CK1 provides low level signal, provides high level signal to second clock signal input part CK2.With the T52 stage shown in fig. 5
Working principle is similar, at this point, for first order gating control cells 411, the first output end OUT1 of the first latch module 21
Keep the T61 stage high level signal, gate control signal output end TXSEL export high level signal, the signal be provided to
The drive control unit 412 that first order gating control cells 411 are connected carries out touch-control driving to touch-driven electrode, touches at this time
Control driving electrodes TX1 receives touch scanning signals.
The shift signal output end NEXT of first order gating control cells 411 exports high level signal, at this time due to first
The signal of clock signal input terminal CK1 input is low level signal, the first output end OUT1 of second level gating control cells 412
It keeps the signal in T61 stage constant, is low level signal, the gate control signal of second level gating control cells 412 is defeated at this time
Outlet TXSEL exports low level signal, and touch-driven electrode TX2 corresponding with second level gating control cells 412 is received at this time
To public voltage signal, the shift signal output end NEXT of second level gating control cells 412 exports low level signal at this time.
In display stage T63, high level signal is provided to the first signal input part IN, to the first clock signal input terminal
CK1 provides high ordinary mail number, provides low level signal to second clock signal input part CK2.It is controlled at this point, being gated for the first order
First output end OUT1 of unit 411, the first latch module 21 exports high level signal, gate control signal output end TXSEL
Low level signal is exported, the signal of shift signal output end NEXT keeps the high level signal in T62 stage constant.For the second level
Gating control cells 412, the first output end OUT1 of the first latch module 21 export high level signal, gate control signal output
Hold TXSEL to export low level signal, the signal of shift signal output end NEXT keeps the low level in T62 stage constant, at this time with
The corresponding touch-driven electrode TX1 of first order gating control cells 411 and corresponding with second level gating control cells 412
Touch-driven electrode TX2 receive public voltage signal.
Stage T64 is being touched, low level signal is being provided to the first signal input part IN, to the first clock signal input terminal
CK1 provides low level signal, provides high level signal to second clock signal input part CK2.It is controlled at this point, being gated for the first order
The signal of unit 411 processed, the first output end OUT1 of the first latch module 21 keeps the high level signal in T63 stage constant, choosing
Logical control signal output TXSEL exports high level signal, and shift signal output end NEXT exports high level signal.For second
Grade gating control cells 412, the signal of the first output end OUT1 of the first latch module 21 keep the high level signal in T63 stage
Constant, gate control signal output end TXSEL exports high level signal, and shift signal output end NEXT exports high level signal,
At this time touch-driven electrode TX1 corresponding with first order gating control cells 411 and with second level gating control cells 412
Corresponding touch-driven electrode TX2 receives touch scanning signals.Based on first order gating control cells 411 in T61 rank
The working principle of section, the gate control signal output end TXSEL output low level of third level gating control cells 413 is believed at this time
Number.
In display stage T65, low level signal is provided to the first signal input part IN, to the first clock signal input terminal
CK1 provides high level signal, provides low level signal to second clock signal input part CK2.First order gating control cells 411
Gate control signal output end TXSEL export low level signal, the shift signal output end of first order gating control cells 411
NEXT keeps the high level signal in T64 stage constant.Relative to second level gating control cells 412, gate control signal output
TXSEL is held to export low level signal, shift signal output end NEXT keeps the high level signal in T64 stage constant at this time.Relatively
In third level gating control cells 413, the first output end OUT1 of the first latch module 21 exports high level signal, gating control
Signal output end TXSEL exports low level signal, and shift signal output end NEXT keeps the high level signal in T64 stage not at this time
Become, at this time touch-driven electrode TX1 corresponding with first order gating control cells 411 and second level gating control cells 412
Corresponding touch-driven electrode TX2, touch-driven electrode TX3 corresponding with third level gating control cells 413 are received
Public voltage signal.
In touch detection stage T66, low level signal is provided to the first signal input part IN, to the first clock signal input
It holds CK1 to provide low level signal, provides high level signal to second clock signal input part CK2.First order gating control cells
411 gate control signal output end TXSEL exports low level signal, and the shift signal of first order gating control cells 411 is defeated
Outlet NEXT exports high level signal.For second level gating control cells 412, the first output end of the first latch module 21
The signal of OUT1 keeps the high level signal in T65 stage constant, and gate control signal output end TXSEL exports high level signal,
Shift signal output end NEXT exports low level signal.For third level gating control cells 413, the first latch module 21
The signal of first output end OUT1 keeps the high level signal in T65 stage constant, gate control signal output end TXSEL output
High level signal, shift signal output end NEXT exports high level signal, corresponding with first order gating control cells 411 at this time
Touch-driven electrode TX1 receive public voltage signal, touch-driven electrode corresponding with second level gating control cells 412
TX2 receives touch scanning signals, and touch-driven electrode TX3 corresponding with third level gating control cells 413 receives touch-control and sweep
Retouch signal.
In display stage T67, low level signal is provided to the first signal input part IN, to the first clock signal input terminal
CK1 provides high level signal, provides low level signal to second clock signal input part CK2.It gates and controls relative to the first order
Unit 411, gate control signal output end TXSEL export low level signal, the displacement letter of first order gating control cells 411
Number output end NEXT exports low level signal.Relative to second level gating control cells 412, gate control signal output end
OUT1 exports low level signal, and shift signal output end NEXT keeps the low level signal in T66 stage constant.Relative to the third level
Gating control cells 413, gate control signal output end OUT1 export high level signal, and shift signal output end NEXT is kept
The high level signal in T66 stage is constant.At this time touch-driven electrode TX1 corresponding with first order gating control cells 411, with
It is the corresponding touch-driven electrode TX2 of second level gating control cells 412, corresponding with third level gating control cells 413
Touch-driven electrode TX3 receives public voltage signal.
In touch detection stage T68, low level signal is provided to the first signal input part IN, to the first clock signal input
It holds CK1 to provide low level signal, provides high level signal to second clock signal input part CK2.It gates and controls relative to the first order
Unit 411 processed, gate control signal output end TXSEL export low level signal, and shift signal output end NEXT exports low electricity
Ordinary mail number.Relative to second level gating control cells 412, gate control signal output end TXSEL exports low level signal,
Shift signal output end NEXT output end exports low level signal at this time.Relative to third level gating control cells 413, gating
Control signal output TXSEL exports high level signal, and shift signal output end NEXT exports high level signal.With the first order
The corresponding touch-driven electrode TX1 of gating control cells 411 receives public voltage signal, with second level gating control cells
412 corresponding touch-driven electrode TX2 receive public voltage signal, touching corresponding with third level gating control cells 413
It controls driving electrodes TX3 and receives touch scanning signals.
Timing shown in fig. 6 is unlike timing shown in fig. 5, the first signal of first order gating control cells 411
The high level signal of input terminal IN transmission keeps high level signal in T61 stage, T62 stage and T63 stage.Such one
Come, since stage T64, in the touch detection stage, receives touch-control simultaneously each time with two adjacent touch-driven electrodes and sweep
Retouch signal.
With continued reference to FIG. 7, it illustrates another working sequences of gating control cells provided by the embodiments of the present application
Figure.The principle of working sequence driving gating control cells work as shown in Figure 7 and Fig. 5, working sequence shown in fig. 6 driving are selected
The principle of logical control unit work is similar, and details are not described herein, and concrete details please refers to the described work of Fig. 5 or Fig. 6
Principle.The difference of working sequence shown in Fig. 7 and Fig. 5, working sequence shown in fig. 6 is mainly illustrated herein.It can from Fig. 7
To find out, the high level signal duration of the first signal input part IN input of first order gating control cells 411 is covered
This five working stages of T71-T75 are covered, and the first signal input part IN input of first order gating control cells 411 in Fig. 5
High level signal duration covers this working stage of T51, the first of first order gating control cells 411 in Fig. 6
The high level signal duration of signal input part IN input covers these three working stages of T61-T63.So, sharp
It is worked with working sequence driving gating control cells as shown in Figure 7, since the T76 stage, in the touch detection stage, every time
There are three adjacent touch-driven electrodes while receiving touch scanning signals.
By controlling first order gating control cells 411 it can be seen from the embodiment of Fig. 5-working sequence shown in Fig. 7
The first signal input part IN signal the lasting duration of high level, can control and receive touch-control scanning letter in the same time
Number adjacent touch-driven electrode quantity, realize any number of touch-driven electrode rolling scanning.It is worth herein
It is noted that Fig. 5-working sequence shown in Fig. 7 is only schematical, according to the needs of application scenarios, thus it is possible to vary the first order
High level signal institute's duration of the first signal input part IN input of gating control cells 411 is inscribed to change the same time
Receive the quantity of the touch-driven electrode of touch scanning signals.
With continued reference to Fig. 8, it illustrates a structural schematic diagrams of touch-control display panel provided by the invention.
As shown in figure 8, touch-control display panel 800 may include touch drive circuit described in any of the above embodiment.
Touch-control display panel 800 further includes integrated circuit 812, and the first clock signal of touch drive circuit as Figure 3-Figure 4 is defeated
Enter to hold the first signal input part IN of CK1, second clock signal input part CK2 and first order gating control cells to be separately connected
To integrated circuit 812, integrated circuit 812 is used to provide the first clock signal to the first clock signal input terminal CK1, when to second
Clock signal input part CK2 provides second clock signal, opens to the first signal input part IN of first order gating control cells offer
Dynamic signal.
Touch-control display panel 800 further includes array substrate 81 and the color membrane substrates being oppositely arranged with array substrate 81 82.
In the present embodiment, touch-driven electrode 810 is provided in array substrate 81, color membrane substrates are equipped with touch control detection
Electrode 820.Touch-driven electrode 810 and touch detection electrodes 820 are strip shaped electric poles.The extension side of touch-driven electrode 810
To inconsistent with the extending direction of touch detection electrodes 820.Wherein, touch-driven electrode 810 extends along first direction X, touch-control
Y extends detecting electrode 820 in a second direction.
Further, touch-driven electrode 810 is set to array substrate 81 towards the side of color membrane substrates 82, touch control detection
Electrode 820 is set to side of the color membrane substrates 82 far from array substrate 81.
Further, touch-control display panel 800 is equipped with data line and scan line (being not shown in Fig. 8), data line prolong
It stretches direction and the extending direction of the scan line is mutually perpendicular to.The extension of the extending direction and data line of touch-driven electrode 810
Direction is consistent, and the extending direction of touch detection electrodes 820 and the extending direction of scan line are consistent.That is touch-driven electrode 810
Extending direction and the extending direction of touch detection electrodes 820 are mutually perpendicular to.
Touch-control display panel 800 can also include flexible circuit board 821.Array substrate 81 further includes 811 He of driving circuit
Integrated circuit 812.Touching signals line 822 can be equipped on color membrane substrates 82, touch detection electrodes 820 pass through touching signals line
822 are electrically connected to flexible circuit board 821, and flexible circuit board 821 is electrically connected with integrated circuit 812, as a result, on color membrane substrates 82 with
The touching signals line 822 that each touch detection electrodes 820 are electrically connected is converged and is electrically connected to after flexible circuit board 821, by soft
Property circuit board 821 be electrically connected with integrated circuit 812 so that integrated circuit 812 can receive touch detection electrodes 820 return letter
Number.
It is appreciated that above-mentioned touch-control display panel 800 further includes the structures such as back light unit, polarizing film, in order to avoid need not
The fuzzy the application wanted, these structures are not shown in fig. 8.
With continued reference to FIG. 9, it illustrates the drivings provided by the present application applied to touch-control display panel as shown in Figure 8
The flow chart 900 of method, this method comprises:
Step 901, the first clock signal is provided to the first clock signal input terminal, is provided to second clock signal input part
Second clock signal provides the first signal to the first signal input part, and the first latch module is based on the first clock signal and the
One signal provides the first output signal to the first output end；
Step 902, under the action of the first output signal and second clock signal, gating control cells are believed to gating control
Number output end exports gate control signal；
Step 903, the second latch module is based on the first output signal and second clock signal, to shift signal output end
Export shift signal.
In the present embodiment, touch-control display panel includes N number of touch-driven electrode, and wherein N is positive integer, above-mentioned gating control
Signal processed includes the first level signal and second electrical level signal, the above method further include: during touch detection, gating control
Signal is the first level signal, and control of the drive control unit based on the first level signal is mentioned to each touch-driven electrode
For touch scanning signals；During display, the gate control signal is second electrical level signal, and the drive control unit is based on
The control of second electrical level signal provides public voltage signal to each touch-driven electrode.Wherein, above-mentioned first level signal can be with
For high level signal, second electrical level signal can be low level signal.
In the present embodiment, above-mentioned N number of touch-driven electrode is completed to scan within a frame period, this N number of touch-control driving
Electrode can scan several times, and i-th scans the n touch-driven electrodes, and i is less than or equal to N, and i, n are positive integer；Its
In, when i is less than or equal to m, n is equal to i；When i is greater than m, n is equal to m, and m is while receiving the touch-control of the touch scanning signals
The quantity of driving electrodes, and m is positive integer.For example, within a frame period, touch drive circuit can scan 1 for the first time
Touch-driven electrode, until this frame end cycle, touch drive circuit can scan 2 electricity every time since the 2nd time
Pole.For another example within a frame period, touch drive circuit can scan 1 touch-driven electrode for the first time, and second can be with
2 touch-driven electrodes are scanned, until this frame end cycle, touch drive circuit can scan 3 every time since the 3rd time
A electrode.
In the present embodiment, within a frame period, the first level of the first signal of the first signal input part input is held
The continuous time covers m first level of the first clock signal of the first clock signal input terminal input within m clock cycle
Duration.
In the present embodiment, within a frame period, the first clock signal is usually made of multiple identical clock cycle,
And the first clock signal of each clock cycle usually may include the first level signal and second electrical level signal and previous
The second electrical level signal of a clock cycle and the first level signal of next clock cycle are adjacent.By limiting the first signal
The relationship of the m of first level duration and the first clock signal the first level durations, can be limited to same
The quantity of the touch-driven electrode of touch scanning signals is received in time, to realize any number of rolling scanning.
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 (12)
1. a kind of touch drive circuit is applied to touch-control display panel, which is characterized in that the touch drive circuit includes multiple
Gating control cells；Wherein,
The gating control cells include the first clock signal input terminal, second clock signal input part, the first signal input part,
Gate control module, gate control signal output end and shift signal output end；
The gating control module includes the first latch module, NAND gate, the first phase inverter；Wherein, first latch module
Including the first output end, the first input end of the NAND gate is connected to first output end, and the second of the NAND gate is defeated
Enter end and is connected to the second clock signal input part；The output end of the NAND gate is connected to the input of first phase inverter
End, the output end of first phase inverter are connected to the gate control signal output end；
The gating control cells further include the second latch module；The input terminal of second latch module is connected to described first
Output end；
The first clock signal that first latch module is used to input in first clock signal input terminal and described the
Under the collective effect of the enabling signal of one signal input part input, the first output end of Xiang Suoshu transmits the first output signal；
Second clock of the gating control module in first output signal and second clock signal input part input
Under the action of signal, Xiang Suoshu gate control signal output end exports gate control signal；
Second latch module is used for Xiang Suoshu under the action of first output signal and the second clock signal
Shift signal output end exports shift signal.
2. touch drive circuit according to claim 1, which is characterized in that first latch module further includes second anti-
Phase device, the first clocked inverter, second clock phase inverter and third phase inverter；
Wherein, the input terminal of second phase inverter is connected to first clock signal input terminal, second phase inverter
Output end is connected to the first control terminal of first clocked inverter；
Second control terminal of first clocked inverter is connected to first clock signal input terminal, and first clock is anti-
The input terminal of phase device is connected to first signal input part, and the output end of first clocked inverter is connected to the third
The input terminal of phase inverter；
The input terminal of the second clock phase inverter is connected to the output end of the third phase inverter, the second clock phase inverter
Output end be connected to the input terminal of the third phase inverter, the first control terminal of the second clock phase inverter is connected to described
First clock signal input terminal, the second control terminal of the second clock phase inverter are connected to the output of second phase inverter
End；
The output end of the third phase inverter is connected to first output end.
3. touch drive circuit according to claim 1, which is characterized in that second latch module further includes the 4th anti-
Phase device, third clocked inverter, the 4th clocked inverter and the 5th phase inverter；
Wherein, the input terminal of the 4th phase inverter is connected to the second clock input terminal, the output of the 4th phase inverter
End is connected to the first control terminal of the third clocked inverter；
Second control terminal of the third clocked inverter is connected to the second clock signal input part, and the third clock is anti-
The input terminal of phase device is connected to first output end, and the output end of the third clocked inverter is connected to the 5th reverse phase
The input terminal of device；
The input terminal of 4th clocked inverter is connected to the output end of the 5th phase inverter, the 4th clocked inverter
Output end be connected to the input terminal of the 5th phase inverter, the first control terminal of the 4th clocked inverter is connected to described
Second control terminal of second clock signal input part, the 4th clocked inverter is connected to the output of the 4th phase inverter
End；
The output end of 5th phase inverter is connected to the shift signal output end.
4. touch drive circuit according to claim 1, which is characterized in that the touch drive circuit includes the first clock
Signal end, second clock signal end and the first signal end；
Wherein, the first signal input part of gating control cells described in the first order is connected to first signal end, and the second level is extremely
The first signal input part and the upper level gating of every level-one gating control cells in gating control cells described in afterbody are controlled
Shift signal output end connection in unit processed；
First clock signal input terminal of each gating control cells is connected to first clock signal terminal, each choosing
The second clock signal input part of logical control unit is connected to the second clock signal end.
5. touch drive circuit according to claim 4, which is characterized in that the touch drive circuit further includes multiple drives
Dynamic control unit, each drive control unit connect one to one with each gating control cells.
6. touch drive circuit according to claim 5, which is characterized in that the touch-control display panel includes multiple touch-controls
Driving electrodes, the drive control unit include gate control signal input terminal and signal output end；Wherein,
The gate control signal input terminal of each drive control unit is respectively connected to the gating of each gating control cells
Control signal output；
The signal output end of the drive control unit connects one to one with the touch-driven electrode；
The drive control unit is used for during touch-control, and Xiang Suoshu touch-driven electrode provides touch scanning signals, is being shown
Period, Xiang Suoshu touch-driven electrode provide public voltage signal.
7. a kind of touch-control display panel, which is characterized in that the touch-control display panel includes integrated circuit and such as claim 1-6
Any one of described in touch drive circuit；
Gating control cells described in first clock signal input terminal, the second clock signal input part and the first order
First signal input part is respectively connected to the integrated circuit, and the integrated circuit is used for first clock signal input terminal
There is provided the first clock signal, Xiang Suoshu second clock signal input part provides second clock signal and to gating described in the first order
First signal input part of control unit provides enabling signal.
8. touch-control display panel according to claim 7, which is characterized in that the touch-control display panel includes array substrate
And the color membrane substrates being oppositely arranged with array substrate；
It is provided with the touch-driven electrode extended in a first direction in the array substrate, is provided on the color membrane substrates along
The touch detection electrodes that two directions extend, the first direction intersect with the second direction；
Data signal line and scan signal line are additionally provided in the array substrate, the data signal line is along the first direction
Extend, the scan signal line extends along the second direction.
9. a kind of driving method applied to touch-control display panel as claimed in claim 8, which is characterized in that the method packet
It includes:
The first clock signal is provided to the first clock signal input terminal, provides second clock letter to second clock signal input part
Number, the first signal is provided to the first signal input part, first latch module is based on first clock signal and described
First signal provides the first output signal to first output end；
Under the action of first output signal and the second clock signal, the gating control cells are controlled to the gating
Signal output end processed exports gate control signal；
Second latch module is based on first output signal and the second clock signal, Xiang Suoshu shift signal are defeated
Outlet exports shift signal.
10. according to the method described in claim 9, it is characterized in that, the touch-control display panel includes N number of touch-control driving electricity
Pole, wherein N is positive integer, the method also includes:
During touch detection, the gate control signal is the first level signal, and drive control unit is based on first electricity
The control of ordinary mail number provides touch scanning signals to each touch-driven electrode；
During display, the gate control signal is second electrical level signal, and drive control unit is believed based on the second electrical level
Number control, provide public voltage signal to each touch-driven electrode.
11. according to the method described in claim 10, it is characterized in that, within a frame period, N number of touch-driven electrode
It scans several times, i-th scans the n touch-driven electrodes, and i is less than or equal to N, and i, n are positive integer；Wherein,
When i is less than or equal to m, n is equal to i；When i is greater than m, n is equal to m, and m is while receiving the touch-control of the touch scanning signals
The quantity of driving electrodes, and m is positive integer.
12. according to the method for claim 11, which is characterized in that within a frame period, the first of first signal
Level duration covers the m within m clock cycle the first level durations of first clock signal.
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| CN112799465A (en) * | 2019-10-28 | 2021-05-14 | 京东方科技集团股份有限公司 | Control signal generator and driving method thereof |
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| CN103019434A (en) * | 2011-09-27 | 2013-04-03 | 乐金显示有限公司 | Touch screen driver and method for driving the same |
| CN103996371A (en) * | 2014-05-30 | 2014-08-20 | 京东方科技集团股份有限公司 | Display drive circuit, array substrate and touch display device |
| CN104505014A (en) * | 2014-12-31 | 2015-04-08 | 厦门天马微电子有限公司 | Drive circuit, array substrate and touch display device as well as drive method thereof |
| CN104537972A (en) * | 2014-12-26 | 2015-04-22 | 厦门天马微电子有限公司 | Driving circuit, touch displaying panel and touch displaying device |
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| CN103019434A (en) * | 2011-09-27 | 2013-04-03 | 乐金显示有限公司 | Touch screen driver and method for driving the same |
| CN103996371A (en) * | 2014-05-30 | 2014-08-20 | 京东方科技集团股份有限公司 | Display drive circuit, array substrate and touch display device |
| CN104537972A (en) * | 2014-12-26 | 2015-04-22 | 厦门天马微电子有限公司 | Driving circuit, touch displaying panel and touch displaying device |
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