CN106847220B - Shift register, touch-control display panel and its driving method, touch control display apparatus - Google Patents
Shift register, touch-control display panel and its driving method, touch control display apparatus Download PDFInfo
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- CN106847220B CN106847220B CN201710153198.0A CN201710153198A CN106847220B CN 106847220 B CN106847220 B CN 106847220B CN 201710153198 A CN201710153198 A CN 201710153198A CN 106847220 B CN106847220 B CN 106847220B
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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
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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
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application discloses shift register, touch-control display panel and its driving methods, touch control display apparatus.Shift register includes the first clock signal terminal and n grades of cascade shifting deposit units, and shifting deposit unit includes shift module, enabled module and output module, and wherein n is positive integer；Enabled module includes enable end, the first signal output unit, second signal output unit and enabled output end；Enable end is electrically connected with the first signal output unit and second signal output unit, is provided gate drive signal to output module when the first signal output unit gates, is provided touch-control pulse signal to output module when second signal output unit gates.Touch control detection precision can be promoted using the scheme of the application.
Description
Technical field
This application involves field of display technology, and in particular to shift register, touch-control display panel and its driving method, touching
Control display device.
Background technique
Touching display screen can be divided into self-tolerant touching display screen according to its touch detection principle difference and mutual capacitance type is touched
Control display screen.In mutual capacitance type display screen, mutual capacitance, the touch-control of finger are formed using touch-driven electrode and touch-control sensing electrode
Mutual capacitance is had an impact, when detecting, detection signal is provided to touch-driven electrode, by the variation institute for detecting the mutual capacitance
Signal intensity in caused circuit determines position of touch.
In a kind of existing mutual capacitance type touch-control display framework, touch-driven electrode is in a strip shape, extending direction and display
For controlling the scan line square crossing that display pixel is scanned on panel.It is each to scan during touch-control display panel work
Line is sequentially output pulse signal, which includes the first level signal in pulsewidth and the second electrical level letter except pulsewidth
Number, which couples with touch-driven electrode generates biggish parasitic capacitance, so that touch-driven electrode receives
Touching signals signal-to-noise ratio decline, to affect touch accuracy.
Summary of the invention
In order to solve one or more technical problems that background technology part is mentioned, this application provides shift register,
Touch-control display panel and its driving method, touch control display apparatus.
On the one hand, this application provides a kind of shift registers, including the first clock signal terminal and n grades of cascade displacements
Deposit unit, shifting deposit unit include shift module, enabled module and output module, and wherein n is positive integer；Enabled module
Including enable end, the first signal output unit, second signal output unit and enabled output end；Enable end and the first signal are defeated
Unit and the electrical connection of second signal output unit out, the control of the first signal output unit and second signal output unit in enable end
It gates with making lower timesharing；First signal output unit includes first input end, the second input terminal and the first output end, and first is defeated
Enter end be electrically connected with the first clock signal terminal, the second input terminal is electrically connected with the output end of shift module, the first output end with make
Energy output end electrical connection, provides gate drive signal to output module when the first signal output unit gates；Second signal output
Unit includes third input terminal and second output terminal, third input terminal for receiving touch-control pulse signal, second output terminal with make
Energy output end electrical connection, provides touch-control pulse signal to output module when second signal output unit gates.
In some embodiments, above-mentioned first signal output unit further includes first voltage signal end, second voltage signal
End, the first transistor, second transistor, third transistor, the 4th transistor, the 5th transistor, the 6th transistor and first
Phase inverter；The grid of the first transistor is electrically connected with enable end, and the first pole and the first voltage signal end of the first transistor are electrically connected
It connects, the second pole of the first transistor is electrically connected with the first pole of second transistor and third transistor；The grid of second transistor
It is electrically connected with first input end, the grid of third transistor is electrically connected with the second input terminal, second transistor and third transistor
The second pole be electrically connected with the first output end；The grid of 4th transistor is electrically connected with the output end of the first phase inverter, and the 4th is brilliant
First pole of body pipe is electrically connected with second voltage signal end, and the second pole of the 4th transistor and the first pole of the 5th transistor are electrically connected
It connects；The grid of 5th transistor is electrically connected with the second input terminal, the second pole of the 5th transistor and the first pole of the 6th transistor
Electrical connection；The grid of 6th transistor is electrically connected with first input end, and the second pole and the first output end of the 6th transistor are electrically connected
It connects；The input terminal of first phase inverter is electrically connected with enable end；Wherein, the first transistor, second transistor, third transistor ditch
Road type is identical, and the 4th transistor, the 5th transistor, the channel type of the 6th transistor are identical, the first transistor and the 4th crystalline substance
The channel type of body pipe is not identical.
In some embodiments, above-mentioned second signal output unit further includes the second phase inverter, the 7th transistor and the 8th
Transistor；The input terminal of second phase inverter is electrically connected with enable end, the grid of the output end of the second phase inverter and the 7th transistor
Electrical connection；The grid of 8th transistor is electrically connected with enable end, and the first pole and third of the 7th transistor and the 8th transistor are defeated
Enter end to be electrically connected, the second pole of the 7th transistor and the 8th transistor is electrically connected with second output terminal；Wherein, the 7th transistor and
The channel type of 8th transistor is not identical, and the channel type of the first transistor and the 7th transistor is identical.
In some embodiments, shift register further includes second clock signal end, and shift module includes that the first clock is anti-
Phase device, second clock phase inverter, third phase inverter and the 4th phase inverter；The input terminal and second clock signal of third phase inverter
End electrical connection；First clocked inverter includes the first control terminal and the second control terminal, the first control terminal of the first clocked inverter
It being electrically connected with second clock signal end, the second control terminal of the first clocked inverter is electrically connected with the output end of third phase inverter,
The input terminal of first clocked inverter is electrically connected with the input terminal of shift module, shift signal for receiving input, when first
The output end of clock phase inverter is electrically connected with the input terminal of the 4th phase inverter；Second clock phase inverter includes third control terminal and the 4th
The third control terminal of control terminal, second clock phase inverter is electrically connected with the output end of third phase inverter, second clock phase inverter
4th control terminal is electrically connected with second clock signal end, and the input terminal of second clock phase inverter and the output end of shift module are electrically connected
It connects, the output end of second clock phase inverter is electrically connected with the input terminal of the 4th phase inverter.
In some embodiments, shifting deposit unit further includes input module, and input module includes the 4th input terminal, the 5th
Input terminal, the first scanning end, the second scanning end, the first transmission gate and the second transmission gate；First transmission gate includes the 5th control terminal
With the 6th control terminal, the second transmission gate includes the 7th control terminal and the 8th control terminal；The input terminal of first transmission gate and the 4th defeated
Enter end electrical connection, the output end of the first transmission gate is electrically connected with the input terminal of shift module, the 5th control terminal and the first scanning end
Electrical connection, the 6th control terminal are electrically connected with the second scanning end；The input terminal of second transmission gate is electrically connected with the 5th input terminal, and second
The output end of transmission gate is electrically connected with the input terminal of shift module, and the 7th control terminal is electrically connected with the second scanning end, the 8th control
End is electrically connected with the first scanning end.
In some embodiments, the 4th input terminal of the second level to afterbody shifting deposit unit is posted with upper level displacement
The output end of shift module in memory cell is electrically connected；The first order to (n-1)th grade of shifting deposit unit the 5th input terminal under
The output end of shift module in level-one shifting deposit unit is electrically connected.
In some embodiments, above-mentioned output module includes multiple cascade phase inverters.
Second aspect, this application provides a kind of touch-control display panels, including multiple touch control electrodes, multi-strip scanning signal
Line and above-mentioned shift register；Each scan signal line is electrically connected with the output end of shifting deposit unit one-to-one correspondence.
The third aspect, this application provides a kind of driving methods applied to above-mentioned touch-control display panel, comprising: is showing
Stage provides the first level signal to enable end, and the first signal output unit gating, each shifting deposit unit is to corresponding scanning
Signal wire is sequentially output gate drive signal；In the touch-control stage, provide second electrical level signal to enable end, to third input terminal and
Touch control electrode provides touch-control pulse signal, and second signal output unit gating, each shifting deposit unit is to corresponding scanning signal
Line exports touch-control pulse signal simultaneously.
Fourth aspect, this application provides a kind of touch control display apparatus, including above-mentioned touch-control display panel.
Shift register, touch-control display panel and its driving method provided by the present application, touch control display apparatus, pass through displacement
Enabled module in register provides the consistent touching signals transmitted with touching signals line in the touch-control stage to each scan line, from
And reduce the coupling between scan line and touching signals line, the signal-to-noise ratio of the transmitted signal of touching signals line is promoted, into
And improve touch accuracy.
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 structural schematic diagram according to one embodiment of the shift register of the application；
Fig. 2 is the structural schematic diagram of one embodiment of the shifting deposit unit in shift register shown in Fig. 1；
Fig. 3 is the electrical block diagram of one embodiment of the enabled module in shifting deposit unit shown in Fig. 2；
Fig. 4 is the electrical block diagram of one embodiment of the shift module in shifting deposit unit shown in Fig. 2；
Fig. 5 is the structural schematic diagram of another embodiment of the shift unit in the device of shift LD list shown in Fig. 1；
Fig. 6 is the structural schematic diagram according to one embodiment of the touch-control display panel of the application；
Fig. 7 is a working sequence schematic diagram of touch-control display panel shown in Fig. 6；
Fig. 8 is a schematic diagram according to 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 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.
Referring to FIG. 1, it illustrates the structural schematic diagrams according to one embodiment of the shift register of the application.
As shown in Figure 1, shift register 100 includes CKV1 and n grades of cascade shifting deposit units of the first clock signal terminal
101, n be positive integer.Wherein, n grades of cascade shifting deposit units 101 be respectively SR1, SR2, SR3 ..., SR (n-1), SRn,
Every level-one shifting deposit unit 101 receives the signal that upper level shifting deposit unit provides, and defeated after the signal is shifted
Out.
Fig. 2 shows the structural representations of one embodiment of the shifting deposit unit 101 in shift register shown in Fig. 1
Figure.
In the present embodiment, shifting deposit unit includes shift module 21, enabled module 22 and output module 23.Its
In, enabled module 22 includes enable end GAS, the first signal output unit 221, second signal output unit 222 and enables defeated
Outlet Out.Enable end GAS is connect with the first signal output unit 221 and second signal output unit 222, the output of the first signal
Unit 221 and second signal output unit 222 gate to timesharing under the control of enable end GAS.
First signal output unit 221 includes first input end In1, the second input terminal In2 and the first output end out1,
First input end In1 is electrically connected with the first clock signal terminal CKV1, and the output end of the second input terminal In2 and shift module 21 are electrically connected
Connect, the first output end out1 is electrically connected with enabled output end Out, also, the first signal output unit 221 gate when to output mould
Block 23 provides gate drive signal.Herein, gate drive signal is sweeping in the display panel comprising above-mentioned shift register
Retouch the driving signal of signal wire.
Second signal output unit 222 includes third input terminal In3 and second output terminal out2, and third input terminal In3 is used
In receiving touch-control pulse signal, second output terminal out2 is electrically connected with enabled output end Out, also, second signal output unit
Touch-control pulse signal is provided to output module 23 when 222 gating.Herein, touch-control pulse signal can be to include for driving
It states the touch control electrode in the display panel of shift register and is scanned signal to determine touch point.
Using above-mentioned enabled module 22, the shift register of the present embodiment can export gate driving letter during display
Number, during touch-control export touch-control pulse signal, in this way, scan signal line can receive during touch-control it is identical as touch control electrode
Touch-control pulse signal, eliminate the influence that the parasitic capacitance between scan signal line and touch control electrode scans touch-control, can
Promote touch control detection precision.
Below with continued reference to Fig. 3, it illustrates one embodiment of the enabled module in shifting deposit unit shown in Fig. 2
Electrical block diagram.
In the present embodiment, enabling module 300 (module 22 is enabled shown in Fig. 2) includes that enable end GAS, the first signal are defeated
Unit 31, second signal output unit 32 and enabled output end Out out.
First signal output unit 31 include first input end In1, the second input terminal In2, first voltage signal end VGH,
Second voltage signal end VGL, the first transistor M1, second transistor M2, third transistor M3, the 4th transistor M4, the 5th crystalline substance
Body pipe M5, the 6th transistor M6, the first phase inverter R1 and the first output end out1 (being not shown in Fig. 3).
The grid of the first transistor M1 is electrically connected with enable end GAS, and the first pole of the first transistor M1 and first voltage are believed
The first of number end VGH electrical connection, the second pole of the first transistor M1 and the first pole of second transistor M2 and third transistor M3
Pole electrical connection.The grid of second transistor M2 is electrically connected with first input end In1, the grid of third transistor M3 and the second input
In2 electrical connection is held, i.e., the grid of second transistor M2 is electrically connected with the first clock signal terminal CKV1, the grid of third transistor M3
It is electrically connected with the output end of shift module, the second pole of second transistor M2 and the second pole of third transistor M3 are exported with first
Out1 electrical connection is held, namely is electrically connected with the output end Out of enabled module.
The grid of 4th transistor M4 is electrically connected with the output end of the first phase inverter R1, the first pole of the 4th transistor M4 with
Second voltage signal end VGL electrical connection, the second pole of the 4th transistor M4 is electrically connected with the first pole of the 5th transistor M5.5th
The grid of transistor M5 is electrically connected with the second input terminal In2, the second pole of the 5th transistor M5 and the first of the 6th transistor M6
Pole electrical connection.The grid of 6th transistor M6 is electrically connected with first input end In1, the second pole of the 6th transistor M6 and first defeated
Second pole of outlet out1 electrical connection namely the 6th transistor is electrically connected with the output end Out of enabled module 300, the first reverse phase
The input terminal of device R1 is electrically connected with enable end GAS.
Above-mentioned the first transistor M1, second transistor M2, the channel type of third transistor M3 are identical, the 4th transistor
M4, the 5th transistor M5, the channel type of the 6th transistor M6 are identical, also, the first transistor M1 and the 4th transistor M4
Channel type is not identical.Such as the first transistor M1 shown in Fig. 3, second transistor M2, third transistor M3 are P-channel crystal
Pipe, the 4th transistor M4, the 5th transistor M5 and the 6th transistor M6 are N-channel transistor.
Second signal output unit 32 includes third input terminal In3, the second phase inverter R2, the 7th transistor M7, the 8th crystalline substance
Body pipe M8 and second output terminal out2 (Fig. 3 is not shown).The input terminal of second phase inverter R2 is electrically connected with enable end GAS, the
The output end of two phase inverter R2 is electrically connected with the grid of the 7th transistor M7.Grid and enable end the GAS electricity of 8th transistor M8
Connection, the first pole of the 7th transistor M7 and the first pole of the 8th transistor M8 are electrically connected with third input terminal In3, the 7th crystal
The second pole of pipe M7 and the second pole of the 8th transistor M8 be electrically connected with second output terminal out2 namely the 7th transistor M7
Two poles and the second pole of the 8th transistor M8 are electrically connected with the output end Out of enabled module 300.Wherein, the 7th transistor M7 and
The channel type of 8th transistor M8 is not identical, and the channel type of the first transistor M1 and the 7th transistor M7 are identical.
It is appreciated that the application is not defined the channel type of each transistor, such as the first transistor M1, second
Transistor M2, third transistor M3, the 7th transistor M7 be can be with N-channel transistor, the 4th transistor M4, the 5th transistor
M5, the 6th transistor M6 and the 8th transistor M8 can be p channel transistor.Each input terminal and control terminal in enabled module
The signal polarity of input can be determined according to the channel type of above-mentioned each transistor.
From figure 3, it can be seen that the output of the first signal is single when enable end GAS exports the signal of conducting the first transistor M1
Member 31 is strobed, and second signal output unit 32 is closed.At this moment, the signal for enabling the output end Out output of module 300 is first
The signal of input terminal In1 input and the signal of the second input terminal In2 input carry out the signal after NAND operation.Wherein first is defeated
The signal for entering to hold In1 to input is the clock signal of the first clock signal terminal CKV1 input, and the signal of the second input terminal In2 input is
The signal that input module provides can be single pulse signal, in this way, in the first signal output unit 31 to clock signal and simple venation
Signal is rushed to carry out exporting the single pulse signal after displacement after NAND operation.
In enable end when the signal of the 8th transistor M8 of GAS output conducting, second signal output unit 32 is strobed, and first
Signal output unit 31 is closed.At this moment, the touch-control pulse of the output end Out output third input terminal In3 input of module 300 is enabled
Signal.As it can be seen that enabled module 300 can with timesharing export the list for driving scan signal line under the control of enable end GAS
Pulse signal and touch-control pulse signal, in the scanning being provided to after the pressure stabilizing of output module, buffered on display panel
Signal wire so that scan signal line can be transmitted during touch-control with the consistent signal of touch control electrode, avoid scan signal line
The coupled capacitor that current potential and touch control electrode not identical two generate, guarantees the stability of touching signals received by touch control electrode,
The signal-to-noise ratio for promoting touch control detection, to promote touch control detection precision.
From figure 3, it can be seen that the first signal output unit 31 and second signal in the enabled module 300 of the present embodiment are defeated
Unit 32 can be controlled by the same enable end GAS out, the letter of the first transistor M1 and second in the first signal output unit 31
The channel type of the 7th transistor M7 in number output unit 32 is identical, in the first transistor M1 and second signal output unit 32
The grid of the 7th transistor M7 receive opposite polarity signal respectively so that the first transistor M1 and the 7th transistor M7 are different
When be connected；Similarly, the 4th transistor M4 and the 8th transistor M8 timesharing conducting, also, the first transistor M1 and the 4th transistor
M4 is simultaneously turned on, to guarantee 32 timesharing of the first signal output unit 31 and second signal output unit in enabled module 300
Ground is strobed, when the signal polarity of enable end GAS output is periodically overturn, the first signal output unit 31 and second signal
Output unit 32 works alternatively, and alternately exports gate drive signal and touch-control pulse signal to corresponding scan signal line.
The received single pulse signal of above-mentioned first signal output unit 31 is provided by shift module.Shift module may be implemented
The latch and displacement of single pulse signal.Fig. 4 shows one embodiment of the shift module in shifting deposit unit shown in Fig. 2
Electrical block diagram.
As shown in figure 4, shift module 400 (i.e. 21 in Fig. 2) may include second clock signal end CKV2, the first clock
Phase inverter CKINV1, second clock phase inverter CKINV2, third phase inverter R3 and the 4th phase inverter R4.Wherein, third reverse phase
The input terminal of device R3 is electrically connected with second clock signal end CKV2.
First clocked inverter CKINV1 includes the first control terminal 401, the second control terminal 402, the first control terminal 401 and the
Two clock signal terminal CKV2 electrical connection, the second control terminal 402 are electrically connected with the output end of third phase inverter R3.First clock inversion
The input terminal of device CKINV1 is electrically connected with the input terminal In4 of shift module, shift signal for receiving input, the shift signal
It can be single pulse signal.The output end of first clocked inverter CKINV1 is electrically connected with the input terminal of the 4th phase inverter R4.
Second clock phase inverter CKINV2 includes third control terminal 403 and the 4th control terminal 404.Third control terminal 403 with
The output end of third phase inverter R3 is electrically connected, and the 4th control terminal 404 is electrically connected with second clock signal end CKV2.Second clock is anti-
The input terminal of phase device CKINV2 is electrically connected with the output end out3 of shift module, namely is exported with the first signal in enabled module
Second input terminal of unit is electrically connected, and the input terminal of the output end and the 4th phase inverter R4 of second clock phase inverter CKINV2 is electrically connected
It connects.
Above-mentioned first control terminal 401 and third control terminal 403 are electric with the input terminal of third phase inverter R3 and output end respectively
Connection, in this way, the signal that exports of the first control terminal 401 and third control terminal 403 inversion signal each other.
Second clock signal end input clock signal, in the first period, second clock signal end CKV2 inputs the first level
Signal (such as high level signal), the first clocked inverter CKINV1 are equivalent to a phase inverter, second clock phase inverter
The signal of the output end of CKINV2 and the signal of input terminal are unrelated, and the signal of at this moment N1 node output is the first clocked inverter
The inversion signal of the signal of the input terminal In4 input of CKINV1, after the 4th phase inverter R4 reverse phase, the output end of shift module
Out3 exports the signal consistent with the signal of the input terminal In4 of the first clocked inverter CKINV1 input.In the second period,
Two clock signal terminal CKV2 input second electrical level signal (such as low level signal), the output end of the first clocked inverter CKINV1
Signal and input terminal signal it is unrelated, second clock phase inverter CKINV2 is equivalent to a phase inverter, at this moment, the electricity of N1 node
Position is consistent with the signal that the output end out3 of the first period shift module is exported, and realizes the latch of signal.
Above-mentioned output module 23 can carry out pressure stabilizing, enhanced processing to the signal that enabled module 22 exports, such as can wrap
Multiple cascade phase inverters are included, gate drive signal or the touch-control pulse signal for enabling the output of module 22 are steady by multiple phase inverters
Scan signal line is transmitted to after pressure, amplification.
In some embodiments, above-mentioned shifting deposit unit 101 can also include input module.Referring to FIG. 5, it shows
The structural schematic diagram of another embodiment of the shift unit in shift LD list device shown in Fig. 1.
As shown in figure 5, shifting deposit unit 500 includes input module 51, shift module 52, enabled module 53 and output
Module 54.Wherein the structure of shift module 52, enabled module 53 and output module 54 can be described with the various embodiments described above
Identical, details are not described herein again.
Input module 51 includes the 4th input terminal INF, the 5th input terminal INB, the first scanning end U2D, the second scanning end
D2U, the first transmission gate TG1 and the second transmission gate TG2.First transmission gate TG1 includes the 5th control terminal TC1 and the 6th control terminal
TC2, the second transmission gate TG2 include the 7th control terminal TC3 and the 8th control terminal TC4.The input terminal and the 4th of first transmission gate TG1
Input terminal INF electrical connection, the output end of the first transmission gate TG1 are electrically connected with the input terminal In4 of shift module, the 5th control terminal
TC1 is electrically connected with the first scanning end U2D, and the 6th control terminal TC2 is electrically connected with the second scanning end D2U.Second transmission gate TG2's is defeated
Entering end to be electrically connected with the 5th input terminal INB, the output end of the second transmission gate TG2 is electrically connected with the input terminal In4 of shift module, the
Seven control terminal TC3 are electrically connected with the second scanning end D2U, and the 8th control terminal TC4 is electrically connected with the first scanning end D2U.
Above-mentioned first transmission gate TG1 on or off under the control of the 5th control terminal TC1 and the 6th control terminal TC2.When
When first transmission gate TG1 is connected, the input terminal of the signal and the first transmission gate TG1 of the output end output of the first transmission gate TG1 is defeated
The signal entered is consistent.Above-mentioned second transmission gate TG2 is connected or closes under the control of the 7th control terminal TC3 and the 8th control terminal TC4
It is disconnected.When the second transmission gate TG2 conducting, the input of the signal and the second transmission gate TG2 of the output end output of the second transmission gate TG2
Hold the signal of input consistent.Herein, the first transmission gate TG1 and the second transmission gate TG2 can use existing passgate structures,
It is not repeated herein.
First scanning end U2D and the second scanning end D2U is positive respectively to be swept signal end and counter sweeps signal end.Wherein just sweep signal
The signal that end can control shift register is transmitted to next stage shifting deposit unit by upper level shifting deposit unit, counter to sweep letter
Number end can control the signal of shift register and be transmitted to upper level shifting deposit unit by next stage shifting deposit unit.First
Scanning end U2D and the second scanning end D2U can control one in the first transmission gate TG1 and the second transmission gate TG2 at any time
A conducting.
Further, when each shifting deposit unit includes structure as shown in Figure 5, in shift register shown in Fig. 1
Second level to afterbody shifting deposit unit SR2, SR3 ..., the 4th input terminal INF in SR (n-1), SRn and upper level shift
The output end of shift module in deposit unit is electrically connected, the first order to (n-1)th grade of shifting deposit unit SR1, SR2, SR3 ...,
The 5th input terminal INB of SR (n-1) is electrically connected with the output end of the shift module in next stage shifting deposit unit.Also, the
The 4th input terminal INF of level-one shifting deposit unit SR1 can be connect with the first trigger signal end, afterbody shift LD list
The 5th input terminal of first SRn can be connect with the second trigger signal end.The 5th of the first transmission gate in each shifting deposit unit
8th control terminal TC4 of control terminal TC1 and the second transmission gate, which can connect, is just sweeping displacement scan line to same, each shift LD
6th control terminal TC2 of the first transmission gate in unit and the 7th control terminal TC3 of the second transmission gate can connect to same
It is counter to sweep displacement scan line.In this way, the single pulse signal that each shifting deposit unit can successively provide the first trigger signal end moves
Output is to each scan line connected to it behind position, or after the single pulse signal displacement that successively the second trigger signal end is provided it is defeated
Out to each scan line connected to it, to complete the driving to whole scan signal lines in entire display panel.
Shift register as a result, comprising shifting deposit unit structure shown in Fig. 5 can use two displacement scan lines (just
Sweep displacement scan line and counter sweep displacement scan line) and simple passgate structures realization the positive and negative of display panel sweep control, can be with
Promote the flexibility of shift register control.
The embodiment of the present application also provides a kind of touch-control display panels.Referring to FIG. 6, it illustrates the touchings according to the application
Control the structural schematic diagram of one embodiment of display panel.
As shown in fig. 6, touch-control display panel 600 includes multiple touch control electrodes 601, multi-strip scanning signal wire 602 and moves
Bit register 603.The shift register 603 can be the shift register of the various embodiments described above.Every scan signal line 602 with
The output end of each shifting deposit unit in shift register 603 corresponds electrical connection.
For touch-control display panel 600 shown in fig. 6, the direction that touch control electrode 601 intersects with scan signal line 602 is prolonged
It stretches, in the touch-control stage, shift register 601 can provide touch-control pulse signal to each scan line, and at this moment each touch control electrode 601 connects
The touch-control pulse signal provided by integrated drive electronics 604 is received, in this way, the signal of touch control electrode 601 and scan signal line 602 frequency
Rate, amplitude, phase are all the same, then will not generate parasitic capacitance, to ensure that the signal of touch control electrode is not believed by scan line
The influence of number transmission state.
Optionally, above-mentioned touch control electrode 601 can be touch-driven electrode, and above-mentioned touch-control display panel 600 can also wrap
Include the touch-control sensing electrode for insulating and being formed mutual capacitance with each touch-driven electrode.The integrated drive electronics 604 in touch control detection
Touch-control pulse signal is provided to touch-driven electrode 601, and determines touch point using the signal that touch-control sensing electrode returns.
The embodiment of the present application also provides the driving method for being applied to above-mentioned touch-control display panel, above-mentioned touch-control display panels
Working stage include display stage and touch-control stage.The driving method specifically includes: in the display stage, providing the to enable end
One level signal, the first signal output unit gating, each shifting deposit unit are sequentially output gate driving to corresponding scan line
Signal；And in the touch-control stage, second electrical level signal is provided to enable end, provides touch-control arteries and veins to third input terminal and touch control electrode
Signal, second signal output unit gating are rushed, each shifting deposit unit exports touch-control pulse signal to corresponding scan line simultaneously.
Fig. 7 shows a working sequence schematic diagram of touch-control display panel shown in Fig. 6, further retouches below in conjunction with Fig. 7
State the principle using the driving touch-control display panel work of above-mentioned driving method.
As shown in fig. 7, the working sequence of touch-control display panel include multiple display stages Display1, Display2,
Dispaly3 ..., Display (m-1), Displaym and the multiple touch-control stages for opening adjacent display phased intervals
Touch1, Touch2 ..., Touch (m-1), Touchm, wherein m be positive integer.
In each display stage, the first level signal (being here low level signal) is provided to enable end GAS, each touch control electrode
TX1, TX2 ..., TX (m-1), TXm receive public voltage signal COM, each shifting deposit unit to corresponding scan signal line according to
Secondary output gate drive signal, the gate drive signal are single pulse signal, pulsewidth of the corresponding scan line in single pulse signal
A line sub-pixel on touch-control display panel is scanned in time.Such as in first display stage Display1, scanning
Signal wire Gate1, Gate2, Gate3 ... successively receive single pulse signal, in third display stage Display3, scanning letter
Number line Gatex receives the single pulse signal of corresponding shifting deposit unit SR (x) transmission, and wherein Gatex indicates to shift with xth grade
One scan signal line of deposit unit SR (x) electrical connection, x is positive integer, 1≤x≤n.
In each touch-control stage, second electrical level signal (being here high level signal) is provided to enable end GAS, is inputted to third
In3 and corresponding touch control electrode is held to provide touch-control pulse signal pulse, the second signal output unit in each shifting deposit unit
Touch-control pulse signal pulse is exported to each scan line line Gate1, Gate2, Gate3, Gatex ....
In above-mentioned touch-control display panel 600, each touch control electrode intersects with all scanning-line signal lines, from Fig. 7
Shown working sequence, which can be seen that, receives any one touch-control stage of touch scanning signals, institute in any one touch control electrode
There is scan line to receive touch-control pulse signal, to guarantee that the scanning of each touch control electrode not will receive produced by scan signal line
Influence of noise, to guarantee that the touch accuracy of entire touch-control display panel is unaffected.
The embodiment of the present application also provides a kind of touch control display apparatus, as shown in figure 8, the touch control display apparatus 800 can be with
For liquid crystal display device or organic light-emitting display device, the touch-control display panel including above-described embodiment description, can for mobile phone,
Tablet computer, wearable display equipment etc..It is appreciated that touch control display apparatus 800 can also include pixel electrode, data-signal
Structure well known to line, substrate, protection glass etc., details are not described herein again.
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 (8)
1. a kind of shift register, which is characterized in that the shift register includes that the first clock signal terminal and n grades are cascade
Shifting deposit unit, the shifting deposit unit include shift module, enabled module and output module, and wherein n is positive integer；
The enabled module includes enable end, the first signal output unit, second signal output unit and enabled output end；
The enable end is electrically connected with first signal output unit and the second signal output unit, first signal
Output unit and the second signal output unit gate to timesharing under the control of the enable end；
First signal output unit includes first input end, the second input terminal and the first output end, first voltage signal
End, second voltage signal end, the first transistor, second transistor, third transistor, the 4th transistor, the 5th transistor, the 6th
Transistor and the first phase inverter, the first input end are electrically connected with first clock signal terminal, second input terminal
It is electrically connected with the output end of the shift module, first output end is electrically connected with the enabled output end, first letter
Gate drive signal is provided to the output module when number output unit gating；The grid of the first transistor is enabled with described
End electrical connection, the first pole of the first transistor is electrically connected with the first voltage signal end, and the of the first transistor
Two poles are electrically connected with the first pole of the second transistor and the third transistor；
The grid of the second transistor is electrically connected with the first input end, the grid of the third transistor and described second
Second pole of input terminal electrical connection, the second transistor and the third transistor is electrically connected with first output end；
The grid of 4th transistor is electrically connected with the output end of first phase inverter, the first pole of the 4th transistor
It is electrically connected with the second voltage signal end, the second pole of the 4th transistor and the first pole of the 5th transistor are electrically connected
It connects；
The grid of 5th transistor is electrically connected with second input terminal, the second pole of the 5th transistor and described the
First pole of six transistors is electrically connected；
The grid of 6th transistor is electrically connected with the first input end, the second pole of the 6th transistor and described the
The electrical connection of one output end；
The input terminal of first phase inverter is electrically connected with the enable end；
Wherein, the first transistor, the second transistor, the channel type of the third transistor are identical, and the described 4th
Transistor, the 5th transistor, the channel type of the 6th transistor are identical, the first transistor and the 4th crystalline substance
The channel type of body pipe is not identical；
The second signal output unit includes third input terminal and second output terminal, the second phase inverter, the 7th transistor and
Eight transistors, the third input terminal is for receiving touch-control pulse signal, the second output terminal and the enabled output end electricity
Connection provides the touch-control pulse signal to the output module when second signal output unit gates；Described second is anti-
The input terminal of phase device is electrically connected with the enable end, the grid electricity of the output end of second phase inverter and the 7th transistor
Connection；
The grid of 8th transistor is electrically connected with the enable end, and the of the 7th transistor and the 8th transistor
One pole is electrically connected with the third input terminal, the second pole of the 7th transistor and the 8th transistor and described second defeated
Outlet electrical connection；
Wherein, the channel type of the 7th transistor and the 8th transistor is not identical, the first transistor and described
The channel type of 7th transistor is identical.
2. shift register according to claim 1, which is characterized in that the shift register further includes second clock letter
Number end, the shift module include the first clocked inverter, second clock phase inverter, third phase inverter and the 4th phase inverter；
The input terminal of the third phase inverter is electrically connected with the second clock signal end；
First clocked inverter includes the first control terminal and the second control terminal, the first control of first clocked inverter
End is electrically connected with the second clock signal end, the second control terminal of first clocked inverter and the third phase inverter
Output end electrical connection, the input terminal of first clocked inverter is electrically connected with the input terminal of the shift module, for receiving
The shift signal of input, the output end of first clocked inverter are electrically connected with the input terminal of the 4th phase inverter；
The second clock phase inverter includes third control terminal and the 4th control terminal, the third control of the second clock phase inverter
End is electrically connected with the output end of third phase inverter, the 4th control terminal of the second clock phase inverter and the second clock
Signal end electrical connection, the input terminal of the second clock phase inverter are electrically connected with the output end of the shift module, and described second
The output end of clocked inverter is electrically connected with the input terminal of the 4th phase inverter.
3. shift register according to claim 1, which is characterized in that the shifting deposit unit further includes input mould
Block, the input module include the 4th input terminal, the 5th input terminal, the first scanning end, the second scanning end, the first transmission gate and the
Two transmission gates；
First transmission gate includes the 5th control terminal and the 6th control terminal, and second transmission gate includes the 7th control terminal and the
Eight control terminals；
The input terminal of first transmission gate is electrically connected with the 4th input terminal, the output end of first transmission gate with it is described
The input terminal of shift module is electrically connected, and the 5th control terminal is electrically connected with first scanning end, the 6th control terminal and
The second scanning end electrical connection；
The input terminal of second transmission gate is electrically connected with the 5th input terminal, the output end of second transmission gate with it is described
The input terminal of shift module is electrically connected, and the 7th control terminal is electrically connected with second scanning end, the 8th control terminal and
The first scanning end electrical connection.
4. shift register according to claim 3, which is characterized in that shift LD list described in the second level to afterbody
4th input terminal of member is electrically connected with the output end of the shift module in upper level shifting deposit unit；
Shift module of the first order into the 5th input terminal and next stage shifting deposit unit of (n-1)th grade of shifting deposit unit
Output end electrical connection.
5. shift register according to claim 1, which is characterized in that the output module includes multiple cascade reverse phases
Device.
6. a kind of touch-control display panel, which is characterized in that including multiple touch control electrodes, multi-strip scanning signal wire, such as claim
The described in any item shift registers of 1-5；
Each scan signal line is electrically connected with the output end of shifting deposit unit one-to-one correspondence.
7. a kind of driving method applied to touch-control display panel as claimed in claim 6 characterized by comprising
In the display stage, the enable end Xiang Suoshu provides the first level signal, the first signal output unit gating, each shifting
Position deposit unit is sequentially output gate drive signal to corresponding scan signal line；
In the touch-control stage, the enable end Xiang Suoshu provides second electrical level signal, and Xiang Suoshu third input terminal and the touch control electrode mention
For touch-control pulse signal, second signal output unit gating, each shifting deposit unit is to corresponding scan signal line
The touch-control pulse signal is exported simultaneously.
8. a kind of touch control display apparatus, which is characterized in that including touch-control display panel as claimed in claim 6.
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| CN107329612B (en) * | 2017-06-29 | 2020-04-21 | 上海天马微电子有限公司 | Scanning circuit, driving circuit and touch display device |
| CN107450774B (en) * | 2017-07-28 | 2020-08-18 | 北京集创北方科技股份有限公司 | Touch detection method, circuit, storage medium, processor and terminal |
| CN107491208B (en) * | 2017-08-11 | 2020-07-17 | 京东方科技集团股份有限公司 | Touch drive unit, touch drive circuit and display device |
| CN107621906B (en) * | 2017-09-29 | 2020-07-21 | 厦门天马微电子有限公司 | Display panel and display device |
| CN108198530A (en) * | 2018-01-03 | 2018-06-22 | 厦门天马微电子有限公司 | A kind of display panel and its driving method, display device |
| CN108399882B (en) * | 2018-02-27 | 2021-04-02 | 厦门天马微电子有限公司 | Display panel, driving circuit and driving method thereof and display device |
| CN108536334B (en) * | 2018-04-13 | 2020-04-24 | 京东方科技集团股份有限公司 | Shift register, touch electrode driving circuit and display device |
| CN110299111B (en) * | 2019-06-29 | 2020-11-27 | 合肥视涯技术有限公司 | Scanning driving circuit, display panel and driving method of display panel |
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