CN106448593B - Array substrate and its driving method, display panel and display device - Google Patents
Array substrate and its driving method, display panel and display device Download PDFInfo
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- CN106448593B CN106448593B CN201610917348.6A CN201610917348A CN106448593B CN 106448593 B CN106448593 B CN 106448593B CN 201610917348 A CN201610917348 A CN 201610917348A CN 106448593 B CN106448593 B CN 106448593B
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- shifting deposit
- deposit unit
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- array substrate
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- 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
-
- 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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
Abstract
This application discloses array substrate and include its display panel and display device.N scan line in array substrate is divided into M group；Multiple shifting deposit units in shift register are divided into M group；I-th of scanline groups includes KiHorizontal scanning line, i-th group of shifting deposit unit includes Ki+ R shifting deposit units；The first row in i-th of scanline groups is to KiHorizontal scanning line respectively with the first order in i-th group of shifting deposit unit to KiThe output end of grade shifting deposit unit connects one to one；The signal of first shifting deposit unit output end output of i+1 group shifting deposit unit and the K of i-th group of shifting deposit unitiThe signal delay set time T of+R grades of shifting deposit unit output ends output.So that the first row transistor of display scan phase is just opened after public voltage signal is stablized, it ensure that the charging potential for the first row pixel electrode that any one display scan phase starts is without exception, improve existing display panel in fixed position and the phenomenon that permanent line occur.
Description
Technical field
This application involves field of display technology, and in particular to technical field of liquid crystal display more particularly to array substrate and its
Driving method, display panel and display device.
Background technique
The structural schematic diagram of public electrode in the existing touch control LCD (Liquid Crystal Display) panel that Fig. 1 is shown, as shown in Figure 1, existing
Capacitance touching control liquid crystal display panel 10 in usually public electrode is divided into multiple mutually insulateds strip sub- common electrical
Pole 11.Public voltage signal is filled with to perform image display to each sub- public electrode 11 in display scan phase；In touch-control rank
Section is filled with touch scanning signals at least one sub- public electrode 11 and receives feedback signal by touch detection electrode, to carry out
Touch detection.
Fig. 2 shows the potential diagrams of sub- public electrode shown in FIG. 1.Sub- public electrode is multiplexed with touching in touch-control scan phase
Driving electrodes are controlled, touch scanning signals are filled with；It and is to be filled with common voltage letter as display public electrode in display scan phase
Number.As shown in Figure 2 in the intersection 21 of touch-control scan phase and display scan phase, the current potential of public electrode can be scanned by touch-control
The jump in potential of signal is the current potential of public voltage signal, however the current potential of public electrode is easy by data during jump
The coupled interference of line influences, and occurs jumping current potential abnormal that public voltage signal immediately becomes, thus causes diagram aobvious
Show that the storage capacitance charging potential for the first row pixel electrode that scan phase starts is abnormal.Therefore existing display panel can be in fixation
There is band in position, influences display effect.
Summary of the invention
In view of the above problem of the existing technology, it is intended to provide a kind of conversion from the touch-control stage to display scan phase
When, the current potential of sub- public electrode is being the current potential of public voltage signal by the jump in potential of touch scanning signals, even if data line
On sub- public electrode there are coupled interference influence, the storage for the first row pixel electrode for showing that scan phase starts will not be caused
Capacitor charging potential anomalies.In order to realize that said one or multiple purposes, the embodiment of the present application provide array substrate and its drive
Dynamic method, display panel and display device.
In a first aspect, the embodiment of the present application provides a kind of array substrate, display panel includes: that N item prolongs along first direction
The public electrode of scan line, shift register and the multiple strips stretched；Wherein N scan line is divided into M scanline groups, respectively sweeps
Line group is retouched successively to arrange in a second direction；Shift register includes original trigger signal end and multiple shifting deposit units, multiple
Shifting deposit unit is divided into M shifting deposit unit group；One frame picture is divided into M display scan phase and M touching during showing
Scan phase is controlled, there is a touch-control scan phase between two display scan phases of arbitrary neighborhood, M scanline groups successively exist
Different display scan phases carry out display scanning, carry out touch-control in each at least one public electrode of touch-control scan phase and sweep
It retouches；I-th of scanline groups includes KiHorizontal scanning line, i-th of shifting deposit unit group includes Ki+ R shifting deposit units；I-th
The first row in scanline groups is to KiHorizontal scanning line respectively with the first order in i-th of shifting deposit unit group to KiGrade is moved
The output end of position deposit unit connects one to one；K as i < M, in i-th of scanline groupsiHorizontal scanning line and i+1 group
The first horizontal scanning line in scan line is adjacent；Wherein, N > 1,1 < M≤N；1≤i≤M；Ki≥1；R≥1；N, M, i, Ki, R is
Positive integer.
Second aspect, the embodiment of the present application provide a kind of driving method applied to above-mentioned array substrate, driving method
It include M display scan phase and M touch-control scan phase and M display during the display of a frame picture for timesharing driving
Transition stage, display transition stage are located between touch-control scan phase and display scan phase, and method includes: to touch at (i-1)-th
Scan phase is controlled, successively provides touch scanning signals at least one public electrode respectively；In i-th of display transition stage, to
Public electrode provides public voltage signal；In i-th of display scan phase, pass through first in i-th of shifting deposit unit group
To the Ki shifting deposit unit, successively each scan line into i-th of scanline groups provides display scanning signal, while to public affairs
Common electrode provides public voltage signal.
The third aspect, the application provide a kind of display panel, and display panel includes above-mentioned array substrate；Display panel also wraps
Include the color membrane substrates being arranged oppositely with array substrate；The touch detection electrodes of multiple strips are provided on color membrane substrates；It is any one
Orthographic projection and positive throwing from each public electrode to array substrate where plane of a touch detection electrodes to plane where array substrate
Shadow is least partially overlapped.
Fourth aspect, this application provides a kind of display device, display device includes above-mentioned display panel.
Array substrate provided by the present application and its driving method, display panel and display device, by aobvious at any one
The last line of the corresponding shifting deposit unit of the first horizontal scanning line and one thereon display scan phase that show scan phase is swept
Retouch increase between the corresponding shifting deposit unit of line at least one for delay shifting deposit unit, thus touch-control scanning rank
Section increases with display scan phase and can be transitioned into the public voltage signal on public electrode by the public voltage signal fluctuated
The display transition stage of stable public voltage signal, so that the first row crystal of any one above-mentioned display scan phase
Stable public voltage signal is transmitted on public electrode when pipe is opened, ensure that any one display scan phase starts first
The storage capacitance charging potential of row pixel electrode is without exception, improves existing display panel in fixed position and showing for band occurs
As improving display effect.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows the structural schematic diagram of public electrode in existing touch control LCD (Liquid Crystal Display) panel；
Fig. 2 shows the potential diagrams of sub- public electrode shown in FIG. 1；
Fig. 3 show this application involves array base-plate structure schematic diagram；
Fig. 4 is shown in array substrate shown in Fig. 3, the scan line of one embodiment and the distribution signal of shift register
Figure；
Scan phase and touching are shown during the frame picture that Fig. 5 shows the display panel comprising array substrate shown in Fig. 4
Control the distribution schematic diagram of scan phase；
Fig. 6 shows the local distribution schematic diagram of scan line shown in Fig. 4, shift register；
Fig. 7 is shown in array substrate shown in Fig. 3, the scan line of another embodiment and the distribution signal of shift register
Figure；
Fig. 8 A shows the driving method applied to array substrate shown in Fig. 4 or Fig. 7；
Fig. 8 B shows touch-control scan phase to showing transition stage, display scan phase, the letter transmitted on public electrode
Number and transposition of partial deposit unit output end output signal schematic diagram；
Fig. 9 shows the structural schematic diagram of display panel provided by the embodiments of the present application；
Figure 10 shows display device schematic diagram provided by the embodiments of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to just
Part relevant to related invention is illustrated only in description, 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. 3, it illustrates this application involves array base-plate structure schematic diagram.As shown in figure 3, array substrate
300 include multiple data lines data, with multiple data lines insulation intersect multi-strip scanning line Scan1, Scan2 ..., ScanN, wrap
The pixel array 302 for including multiple pixel electrodes 301, for being believed data by transistor 303 under the control of scanning-line signal
Number it is transferred to pixel electrode.
Driving circuit for driving multi-strip scanning line can be set in array substrate, and driving circuit can be for example shifting
Bit register VSR.Shift register VSR includes multiple cascade shifting deposit units, and shifting deposit units at different levels are by input
Signal exports after carrying out delay displacement to next stage shifting deposit unit.Any one scan line in array substrate 300 with it is upper
State the shifting deposit unit connection in shift register.
In normal operation, the signal of shift register output is through scanning for the display panel of above-mentioned array substrate 300
Transistor is connected in line line by line, and the data line data being set in array substrate 300 will be used for data-signal that image is shown from more
The source electrode of a transistor 303 is through draining on the pixel electrode for being sent to and connecting with drain electrode.
As shown in figure 3, array substrate 300 further include multiple strips public electrode TX1, TX2 ..., TXY.In Fig. 3,
Multiple public electrode TX1, TX2 ..., TXY along first direction arrange, extend in a second direction.First direction for example can with sweep
It is identical to retouch line extending direction, second direction for example can be identical for data line extending direction.It will be appreciated by those skilled in the art that
, multiple public electrodes 31 can also arrange in a second direction, extend in a first direction.The number of the public electrode of this implementation
Such as can be Y, Y > 1, and Y is positive integer.
In the present embodiment, as shown in figure 3, the corresponding storage of each pixel electrode 301 on pixel array 302 is electric
Hold, each storage capacitance by corresponding pixel electrode 301 and public electrode and can be for example arranged in pixel electrode
Dielectric between 301 and public electrode is formed.The public affairs transmitted on the data-signal and public electrode transmitted on the data line
To storage capacitance input data signal under the collective effect of common voltage.Storage capacitance can store the data within a predetermined period of time
Signal, so that display panel can steadily show image frame.
In touch-control scan phase, Fig. 3 public electrode TX1, TX2 ..., at least one public electrode multiplexing in TXY
For touch-driven electrode, touch scanning signals are transmitted, touch scanning signals for example can be pulse signal.In touch-control scan phase
After, into display scan phase.At display scan phase initial stage, the voltage signal on public electrode is converted by pulse signal
For public voltage signal, meanwhile, at display scan phase initial stage, the pieces of data line data into Fig. 3 transmits data-signal.Respectively
The parasitic capacitance formed between data line and public electrode believe that the public voltage signal on public electrode can not by pulse
Number it is immediately converted as public voltage signal, so that the storage electricity of a line at the initial stage in display stage or multirow pixel electrode
Capacity charge is insufficient, so that the image frame of display is easy to appear display band phenomenon at fixed row.
Referring to FIG. 4, it illustrates in array substrate shown in Fig. 3, the scan line of one embodiment and shift register
Distribution schematic diagram.As shown in figure 4, array substrate 400 include N scan line Scan1, Scan2 ..., ScanN.Wherein, N item is swept
Retouch line Scan1, Scan2 ..., ScanN be divided into M group G1、G2、…、GM.Wherein, N > 1,1 < M≤N；N, M are positive integer.
Referring to FIG. 5, showing and sweeping during a frame picture it illustrates the display panel comprising array substrate shown in Fig. 4
Retouch the distribution schematic diagram in stage Yu touch-control scan phase.As shown in figure 5, in the present embodiment, including array substrate shown in Fig. 4
Display panel, one frame picture be divided into during showing M display scan phase Display1, Display2 ...,
DisplayM.M scanline groups G shown in Fig. 41、G2、…、GMSuccessively display scanning is carried out in different display scan phases.One
Frame picture display time for example can be 1/60 second (namely the picture display frequency of display panel is 60HZ).This is divided for 1/60 second
At M display scan phase, M touch-control scan phase.Namely it was divided into M period for 1/60 second.Packet in each period
Include a display scan phase and a touch-control scan phase.Wherein, in each display scan phase, with the display scan phase
Scanning drive signal is successively transmitted in all scan lines in a corresponding scanline groups.In each touch-control scan phase, with
Touch scanning signals are transmitted at least one corresponding public electrode of the touch-control scan phase.It specifically, can be by a frame picture
It is divided into M display scan phase and M touch-control scan phase during display sequentially in time.First display scan phase
Such as can complete first scanline groups display scanning (in the present embodiment, display scanning is directed to a horizontal scanning line transmission
For driving the electric signal of the corresponding transistor turns of the horizontal scanning line).Second display scan phase for example completes corresponding the
The display scanning of two scanline groups, and so on, until m-th shows that scan phase completes the display of m-th scanline groups
Scanning.Even if each scanline groups different periods of (1/60 second) in a frame picture display time are shown, since vision is prolonged
Late the characteristics of (such as 0.1 second), eye-observation to be the complete picture of a frame.
In the present embodiment, as shown in figure 5, between two display scan phases of arbitrary neighborhood there is a touch-control to scan rank
Section.In touch-control scan phase, at least one above-mentioned public electrode is multiplexed with touch control electrode.It is wrapped during the display scanning of one frame picture
Included M touch-control scan phase, Touch1, Touch2 as shown in Figure 5 ..., TouchM.In the present embodiment, any primary
Touch-control scan phase can for example have a public electrode to be multiplexed with touch control electrode.That is, in any one scan line
After the storage capacitance of the corresponding each row pixel electrode of group is entered data-signal, the group in next scan line of this group of scan line
The corresponding transistor of the first horizontal scanning line be opened before, above-mentioned multiple public electrode TX1, TX2 ..., in TXY one it is public
Electrode is multiplexed with touch control electrode.Namely during a frame shows picture, between any two neighboring display scan phase, have
Touch-control scanning drive signal P is transmitted on one public electrode, touch-control scanning drive signal P for example can be multiple continuous pulses
Signal.In some optional implementations of the present embodiment, during frame picture display scanning, above-mentioned Y public electrode
TX1, TX2 ..., TXY be multiplexed with touch control electrode one by one.
In some optional implementations of the present embodiment, during frame picture display scanning, any one common electrical
It is positive integer that pole, which is multiplexed with m touch control electrode, m >=1, and m, namely during frame picture display scanning, any one is public
Common electrode has carried out m touch-control scanning as touch control electrode.As m > 1, the frequency of touch-control scanning can be higher than display scanning
Frequency.M for example can be 2, that is to say, that if the display frequency of display panel is 60HZ, touch-control scan frequency is 120HZ,
During a frame picture is shown, i.e., in 1/60 second, any one public electrode in above-mentioned multiple public electrodes is touched twice
Control scanning.In application scenes, such as a frame picture can be divided into the first field picture and the second field picture,
After the completion of the display scanning of one field picture, complete to scan the first time touch-control of all public electrodes；It is aobvious in the second field picture
Show in scanning process, completes to scan second of touch-control of all public electrodes.Wherein, M, Y and m meet following relational expression:
M-1=m (Y+Q)；Wherein Q is the positive integer more than or equal to 1.
Usually when doing touch control detection, it usually needs acquisition environmental signal be used as touch control detection reference signal, herein Q for
One frame picture is shown in scanning process, acquires the number of environmental signal, such as Q can be 3.
As shown in figure 4, array substrate 400 further includes shift register VSR.In addition, shift register VSR includes multiple shiftings
Position deposit unit.
In the present embodiment, multiple shifting deposit units in above-mentioned shift register VSR are divided into M shift register
Unit group V1、V2、…、VM.Above-mentioned M shifting deposit unit group is arranged along above-mentioned second direction.
In some optional implementations of this implementation, as shown in figure 4, array substrate 400 includes viewing area AA.Array base
The side of viewing area AA is arranged in said one shift register VSR on plate 400.It is above-mentioned in this shift register VSR
Multiple shifting deposit unit cascade settings, i.e., in addition to afterbody shifting deposit unit, the letter of every level-one shifting deposit unit
Number output end is connect with the signal input part of next stage shifting deposit unit.One of shift register VSR is only gived in Fig. 4
The schematic diagram of optional position, it is to be understood that the shift register can be set in any side of viewing area AA.
In the present embodiment, array substrate is equipped with original trigger signal line (not shown), is used for shift LD
Device provides original trigger signal.First group of shifting deposit unit V1First order shifting deposit unit and original trigger signal line connect
It connects.So that the display panel comprising above-mentioned array substrate 400 is when being powered on work, shift register VSR be can work normally.
Referring to FIG. 6, its local distribution schematic diagram for having gone out scan line shown in Fig. 4, shift register.In the present embodiment
In, part 41 shown in Fig. 4 includes i-th of scanline groups Gi, i+1 scanline groups Gi+1, i-th of shifting deposit unit group Vi、
I+1 shifting deposit unit group Vi+1.As shown in fig. 6, i-th of scanline groups GiIncluding KiHorizontal scanning line L1, L2 ..., LKi。
I-th of shifting deposit unit group ViIncluding Ki+ R shifting deposit units, 1≤i≤M；R≥1；Ki≥1；And i, R, KiIt is positive
Integer.That is to say, the quantity of the shifting deposit unit in any one shift register cell group is greater than this group of shift LD list
The quantity of scan line in the corresponding one group of scan line of member.
I-th of scanline groups GiIn the first horizontal scanning line L1, the second horizontal scanning line L2 to KiHorizontal scanning line LKiRespectively
With i-th of shifting deposit unit group ViIn first order shifting deposit unit C1, second level shifting deposit unit C2 to KiGrade is moved
Position deposit unit CKiOutput end connect one to one.That is, the display panel comprising array substrate 300 shown in Fig. 3,
One frame shows i-th of display scan phase of picture, when the clock signal of control shifting deposit unit is the first level signal
When, i-th of shifting deposit unit group ViFirst order shifting deposit unit C1 to KiThe shifting deposit unit CK of gradeiSuccessively to
I-th of scanline groups GiThe first horizontal scanning line L1 to KiHorizontal scanning line LKiGate drive signal is exported, with i-th of scan line
Group GiThe corresponding transistor of the first horizontal scanning line L1 to K with i-th of scanline groupsiHorizontal scanning line LKiCorresponding transistor
Be switched on line by line so that data line to i-th of scanline groups GiThe corresponding pixel electrode of the first horizontal scanning line L1 to i-th
Scanline groups GiKiHorizontal scanning line LKiThe storage capacitance of corresponding pixel electrode charges line by line.
As i < M, i-th of scanline groups GiIn KiThe first row in horizontal scanning line and i+1 scanline groups scans
Line L1 ' is adjacent.
In i-th of display scan phase, when the clock signal for controlling shifting deposit unit is second electrical level signal, displacement
K in i-th of shifting deposit unit group of register VSRiGrade shifting deposit unit is in signal latch state.Enter at this time
I-th of touch-control scan phase.I-th of touch-control scan phase, at least one public electrode corresponding with the touch-control scan phase are multiple
With touch control electrode, touch-control scanning is carried out, optionally, in each touch-control scan phase, at least one public electrode is multiplexed touch-control and drives
Moving electrode.When carrying out touch-control scanning to public electrode, periodic touch-control pulse signal can be provided to public electrode.
After i-th of touch-control scan phase terminates, the clock signal of shifting deposit unit is controlled by second electrical level signal
The first level signal is converted to, at this point, i-th of shifting deposit unit group ViKi+ 1 grade of shifting deposit unit C (Ki+ 1) to
Ki+ R grades of shifting deposit unit C (Ki+ R) carry out signal displacement, but Ki+ 1 grade of shifting deposit unit C (Ki+ 1) to Ki+ R grades of shiftings
Position deposit unit C (Ki+ R) shift signal generated do not export to scan line.In Ki+ 1 grade of shifting deposit unit C (Ki+1)
To Ki+ R grades of shifting deposit unit C (Ki+ R) it carries out in signal shifting process, scan line does not receive gate drive signal.
I-th of scanline groups GiIn Ki+ R grades of shifting deposit unit C (Ki+ R) to i+1 shifting deposit unit group
In first order shifting deposit unit C1 ' export trigger signal, hence into i+1 display scan phase.
It can be seen that i+1 scanline groups Gi+1With i-th of scanline groups GiDisplay turntable driving between there are one
Fixed delay, i-th of shifting deposit unit group V in this is delayediKi+ 1 grade of shifting deposit unit C (Ki+ 1) to Ki+
R grades of shifting deposit unit C (Ki+ R) carry out signal displacement.
That is, showing in scan phase conversion process from i-th of touch-control scan phase to i+1, displacement is posted
Be provided in storage at least one for delay shifting deposit unit.Also, it is above-mentioned at least one for delay displacement
When deposit unit carries out signal displacement, public voltage signal can be transmitted to each public electrode.Public voltage signal is above-mentioned
During at least one is used for the shifting deposit unit work of delay, stable common voltage is become from the touch-control pulse signal fluctuated
Signal.So that when the first horizontal scanning line in the i+1 scanline groups that i+1 shows scan phase is opened, it is public
Public voltage signal in common electrode is in stable state, ensure that the first row pixel electrode in i+1 scanline groups
Storage capacitance charging is without exception compared with the corresponding storage capacitance charging of other row pixel electrodes, so that the row pixel electrode has
The ability rotated with other row pixel electrodes driving liquid crystal having the same, so that display after the completion of each touch-control is swept
The first row pixel display brightness for retouching the stage is identical as other row pixel display brightness, improves existing display panel in fixed bit
Set the display band phenomenon at place.
In some optional implementations of the present embodiment, in M scanline groups, included by any two scanline groups
Scan line line number it is equal.The then line number K of each scanline groupsiMeet following relational expression: Ki=N/M.
According to scheme provided in this embodiment, when any one touch-control scan phase is converted to display scan phase, moving
Be arranged before the first order shifting deposit unit for corresponding to the display scan phase in bit register at least one for delay shifting
Position deposit unit, so that after the public voltage signal transmitted on public electrode is stablized, the corresponding first order of display scan phase
Shifting deposit unit just starts the first horizontal scanning line transmission display scanning signal corresponding to the display scan phase, it is ensured that
Pixel electrode charges to accurate current potential.So that first row pixel electrode of any one display scan phase has and other
The ability of row pixel electrode driving liquid crystal rotation having the same, so that the first row pixel in display scan phase is shown
Brightness is identical as other row pixel display brightness, improves existing display panel in the display band phenomenon of fixed position.
Referring to FIG. 7, it illustrates in array substrate shown in Fig. 3, the scan line of another embodiment, shift register
Structural schematic diagram.
As shown in fig. 7, array substrate 700 includes being extended in a first direction by the identical N item of embodiment as shown in Figure 4
Scan line, N scan line can for example be divided into M group.M scanline groups are arranged in a second direction, are not repeated herein.With Fig. 4 institute
Show unlike array substrate, includes two shift registers, i.e. the first shift register VSR1 in array substrate in Fig. 7
With the second shift register VSR2.First shift register VSR1 and the second shift register VSR2 are respectively arranged at array substrate
The opposite sides of 700 viewing area AA.Shift register VSR1 and shift register VSR2 includes multiple shifting deposit units.
It is identical as embodiment illustrated in fig. 4, i-th of scanline groups GiIncluding KiHorizontal scanning line.I-th of scanline groups GiIn
The first row L1 to KiHorizontal scanning line L (Ki) respectively with i-th of shifting deposit unit group HiIn first order W1 to KiGrade displacement
Deposit unit W (Ki) output end connect one to one.
I-th of scanline groups GiKiHorizontal scanning line and i+1 scanline groups Gi+1The first horizontal scanning line L1 ' phase
It is adjacent.
I-th of shifting deposit unit group HiIncluding Ki+ R grades of shifting deposit unit W1, W2, W3 ..., W (Ki)、W(Ki+
1)、…、W(Ki+R).First order shifting deposit unit W1 to KiGrade shifting deposit unit W (Ki) can be set in different shiftings
In bit register.
Specifically, in i-th of shifting deposit unit group HiIn, with i-th of scanline groups GiIn odd number horizontal scanning line electricity
The shifting deposit unit of connection is located in the first shift register VSR1, with i-th of scanline groups GiIn even number line scanning
The shifting deposit unit of line electrical connection is located in the second shift register VSR2, i-th of shifting deposit unit group as shown in Figure 7
HiIn with i-th of scanline groups GiIn the first horizontal scanning line L1 connection shifting deposit unit W1, with i-th of scanline groups Gi
In i-th of shifting deposit unit group H of third horizontal scanning line L3iIn with i-th of scanline groups GiIn the first horizontal scanning line L1 connect
The shifting deposit unit W1 connect and i-th of scanline groups GiIn the L3 connection of third horizontal scanning line shifting deposit unit W3 etc.
Etc. being set in the first shift register VSR1.I-th of shifting deposit unit group HiIn with i-th of scanline groups GiIn second
The shifting deposit unit W2 etc. of horizontal scanning line L2 connection is set in the second shift register VSR2.
Alternatively, in other examples, in i-th of shifting deposit unit group HiIn, with i-th of scanline groups GiIn
The shifting deposit unit of even number horizontal scanning line electrical connection is located in the first shift register VSR1, with i-th of scanline groups Gi
In odd number horizontal scanning line electrical connection shifting deposit unit be located in the second shift register VSR2.
In the present embodiment, i-th of shifting deposit unit group HiKi+ 1 shifting deposit unit is to Ki+ R displacements
In deposit unit, odd number shifting deposit unit is located in the first shift register VSR1, even number shifting deposit unit
In the second shift register VSR2.
Alternatively, in other examples, i-th of shifting deposit unit group HiKi+ 1 shifting deposit unit is to
KiIn+R shifting deposit units, odd number shifting deposit unit is located in the first shift register VSR1, and even number moves
Position deposit unit is located in the second shift register VSR2.
With i+1 scanline groups Gi+1The first horizontal scanning line L1 ' shifting deposit unit W1 ' setting i+1 shifting
Position storage receipt tuple Hi+1In.Specifically, shifting deposit unit W1 ' can be set in the first shifting deposit unit VSR1, can also
To be arranged in the second shifting deposit unit VSR2.
In the present embodiment, by the way that the shifting deposit unit in shifting deposit unit group to be set to different shift LDs
Shifting deposit unit for delay is set in device and in each shifting deposit unit group, realizes the scanning of any one touch-control
When phase transition is display scan phase, after the public voltage signal transmitted on public electrode is stablized, the display scan phase
Corresponding first order shifting deposit unit just starts the first horizontal scanning line transmission display scanning corresponding to the display scan phase
Signal.So that public voltage signal of the first row transistor of any one display scan phase on public electrode reaches
It is just opened after stabilization, ensure that the storage capacitance charging for the first row pixel electrode that any one above-mentioned display scan phase starts
Current potential is without exception, improves existing display panel in fixed position and the phenomenon that band occurs, improves display effect；It simultaneously can be with
Shifting deposit unit is set to be uniformly distributed in the two sides of viewing area, the problem for avoiding side frame wide.
Fig. 8 A is please referred to, it illustrates the driving methods 800 for being applied to array substrate shown in Fig. 4 or Fig. 7.It can use and divide
When driving method come drive Fig. 4 perhaps array substrate shown in Fig. 7 be shown in it is aobvious comprising array substrate shown in Fig. 4 or Fig. 7
Show during the display of panel previous frame picture to include M display scan phase and M touch-control scan phase and M display transition
Stage, wherein display transition stage is located between touch-control scan phase and display scan phase.Above-mentioned timesharing driving method includes
Following steps:
Step 801, in (i-1)-th touch-control scan phase, touch-control scanning is successively provided at least one public electrode respectively
Signal.
In (i-1)-th touch-control scan phase, the clock signal for controlling shift register is converted to by high potential level signal
Low level signal, therefore, the K of (i-1)-th shifting deposit unit groupi-1Grade shifting deposit unit is in latch mode, nothing
Trigger signal is exported to Ki-1+ 1 shifting deposit unit.
In some optional implementations of the present embodiment, touching is provided to a public electrode in each touch-control scan phase
Control scanning signal.
Step 802, in i-th of display transition stage, public voltage signal is provided to public electrode.
Herein, after (i-1)-th touch-control stage, it is in i-th of display transition stage.In i-th of display transition rank
The clock signal of Duan Shangshu control shift register is converted to high potential level signal, (i-1)-th shifting by low level signal
Position storage receipt tuple in by Ki-1+ 1 grade of shifting deposit unit is to Ki-1+ R grades of shifting deposit units transmit signal.
Public voltage signal on public electrode is converted in the display transition stage by the voltage signal fluctuated stable
Voltage signal.
Step 803, in i-th of display scan phase, pass through first to K in i-stage shifting deposit unit groupiGrade is moved
Successively each scan line into i-th of scanline groups provides display scanning signal to position deposit unit, while providing to public electrode
Public voltage signal.
Fig. 8 B is please referred to, shows touch-control scan phase to transition stage, display scan phase is shown, public electrode uploads
The schematic diagram of defeated signal and the signal of transposition of partial deposit unit output end output.
As shown in Figure 8 B, it after the completion of (i-1)-th display scan phase Display (i-1), is swept into (i-1)-th touch-control
Stage Touch (i-1) is retouched, in (i-1)-th touch-control scan phase Touch (i-1), such as there can be a public electrode to be multiplexed with
Touch-driven electrode can for example pass on the corresponding public electrode TX (touch-driven electrode) of touch-control scan phase Touch (i-1)
The pulse signal of defeated diagram, and no signal inputs on other public electrodes.It is tied in (i-1)-th touch-control scan phase Touch (i-1)
Shu Hou, i-th of display transition stage TP (i) starts, in i-th of display transition stage TP (i), (i-1)-th shifting deposit unit
Group Vi-1Ki-1+ 1 shifting deposit unit is to Ki-1+ R shifting deposit unit beginning transmission pulse signals.Meanwhile
All public electrodes of i-th of display transition stage TP (i) in array substrate transmit public voltage signal.It is set to battle array simultaneously
All data lines on column substrate start to transmit data-signal.Due to parasitic electricity existing between data line and public electrode
Hold, display scan phase initial stage is being converted to by touch-control scan phase, the voltage signal transmitted on public electrode can not be steady immediately
It is fixed, but pass through an oscillation transition region and be finally reached burning voltage signal.I-th of display transition stage TP (i) is complete
At when (i-1)-th shifting deposit unit group Vi-1Ki-1+ R shifting deposit units to i-th shifting deposit unit group the
Level-one K1Shifting deposit unit transmits trigger signal.Enter i-th of display after the completion of i-th of display transition stage TP (i) to scan
Stage Display (i), in i-th of display scan phase Display (i), i-th of shifting deposit unit group ViThe first order move
Position deposit unit K1To the shifting deposit unit KiScanning signal is exported to i-th of scanline groups.
According to driving method provided in this embodiment, in any one touch-control scan phase to the display scan phase transition period
Between increase a display transition stage, the voltage signal transmitted in the display transition stage, public electrode believed by fluctuation voltage
Number be transitioned into stable voltage signal so that when the first horizontal scanning line transmission display scanning signal of display scan phase and other
Corresponding public voltage signal is identical when each row transmission display scanning signal, to ensure that any one display scan phase
The storage capacitance charging potential of the first row pixel electrode of beginning is without exception, improves existing display panel and occurs in fixed position
The phenomenon that band, improves display effect.
Referring to FIG. 9, it illustrates the structural schematic diagrams of display panel provided by the embodiments of the present application.
As shown in figure 9, display panel includes the color membrane substrates that above-mentioned array substrate 91 and array substrate 91 are oppositely arranged
92.The touch-control sensing electrode 921 of multiple strips is provided on color membrane substrates, touch-control sensing electrode 921 can be set in color film base
Plate 92 also can be set close to the side of array substrate 91 in side of the color membrane substrates 92 far from array substrate 91.In embodiment
In, orthographic projection and each touch-driven electrode 911 of the touch-control sensing electrode 921 to 91 place plane of array substrate are to array substrate 91
The orthographic projection of place plane is partly overlapped, that is, each touch-control sensing electrode 921 and each touch-driven electrode 911
It intersects with dividing, to form two electrodes of similar parallel plate capacitor.It can be in the touch-control stage, in touch-driven electrode 921
Touch scanning signals are transmitted, touch-control sensing signal can be transmitted on touch-control sensing electrode 911, it can be to from touch-control sensing electrode
The touch-control sensing signal acquired on 911 is analyzed to obtain the position of touch-control.
Referring to FIG. 10, it illustrates the schematic diagrames of the application display device.Display device 1000 shown in Fig. 10 is for example
Mobile phone includes display panel as described above.In addition, it will be understood by those skilled in the art that the display device of the application is in addition to packet
It includes except display panel, can also include some other well known structures, such as providing backlight to display panel
Back light unit.In order not to obscure the emphasis of the application, no longer structure well known to these will be further described.It is worth referring to
Out, the application display device is not limited to mobile phone shown in Fig. 10, can also be computer, television set, the devices such as intelligence wearing.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from 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 (10)
1. a kind of array substrate, which is characterized in that the array substrate includes: scan line, the displacement that N item extends in a first direction
The public electrode of register and multiple strips；Wherein the N scan line is divided into M scanline groups, and each scanline groups are along
It successively arranges in two directions；The shift register includes multiple shifting deposit units, and the multiple shifting deposit unit is divided into M
Shifting deposit unit group；
One frame picture is divided into M display scan phase and M touch-control scan phase, two displays of arbitrary neighborhood during showing
There is a touch-control scan phase, the M scanline groups are successively in different display scan phases between scan phase
Display scanning is carried out, at least one described public electrode carries out touch-control scanning in each touch-control scan phase；
I-th of scanline groups includes KiHorizontal scanning line, i-th of shifting deposit unit group includes Ki+ R shifting deposit units, by
I-th of touch-control scan phase is shown in scan phase conversion process to i+1, at least one use is provided in shift register
In the shifting deposit unit of delay；When at least one described shift register cell unit for delay carries out signal displacement, to each
A public electrode transmits public voltage signal, and the public voltage signal is posted at least one described displacement for being used for delay
During memory cell works, stable public voltage signal is become from the touch-control pulse signal fluctuated；
The first row in i-th of scanline groups is to KiHorizontal scanning line is respectively and in i-th of shifting deposit unit group
The first order is to KiThe output end of grade shifting deposit unit connects one to one；
K as i < M, in i-th of scanline groupsiThe first horizontal scanning line in horizontal scanning line and i+1 scanline groups
It is adjacent；
Wherein, N > 1,1 < M≤N；1≤i≤M；Ki≥1；R≥1；
N, M, i, Ki, R is positive integer.
2. array substrate according to claim 1, which is characterized in that the quantity of the public electrode is Y, and Y is positive integer；
During frame picture scanning, any one of public electrode carries out m touch-control scanning；M >=1, and m is positive integer；
Described M, Y and m meet following relationship:
M-1=m (Y+Q)
Wherein, Q is positive integer.
3. array substrate according to claim 1, which is characterized in that the scan line quantity phase that each scanline groups include
Deng.
4. array substrate according to claim 1, which is characterized in that the array substrate includes viewing area；
The side of the viewing area is arranged in the shift register；
The multiple shifting deposit unit cascade setting.
5. array substrate according to claim 1, which is characterized in that the array substrate includes viewing area；
The shift register includes the first shift register and the second shift register, and first shift register and institute
State the opposite sides that the second shift register is separately positioned on the viewing area；
In i-th of shifting deposit unit group, the displacement being electrically connected with the odd number horizontal scanning line in i-th of scanline groups is posted
Memory cell is located in first shift register, the displacement being electrically connected with the even number horizontal scanning line in i-th of scanline groups
Deposit unit is located in second shift register；Or
In i-th of shifting deposit unit group, the displacement being electrically connected with the even number horizontal scanning line in i-th of scanline groups is posted
Memory cell is located in first shift register, the displacement being electrically connected with the odd number horizontal scanning line in i-th of scanline groups
Deposit unit is located in second shift register.
6. array substrate according to claim 5, which is characterized in that the K of i-th of shifting deposit unit groupi+ 1
Shifting deposit unit is to KiIn+R shifting deposit units, odd number shifting deposit unit is located at first shift LD
In device, even number shifting deposit unit is located in second shift register；Or
The K of i-th of shifting deposit unit groupi+ 1 shifting deposit unit is to KiIn+R shifting deposit units, surprise
Several shifting deposit units are located in first shift register, and even number shifting deposit unit is located at second displacement
In register.
7. a kind of driving method applied to array substrate as described in claim 1, which is characterized in that the driving method is
Timesharing driving includes that M display scan phase and M touch-control scan phase and M showed during the display of one frame picture
It crosses the stage, the display transition stage is located between touch-control scan phase and the display scan phase, which comprises
In (i-1)-th touch-control scan phase, touch scanning signals are successively provided to public electrode described at least one；
In i-th of display transition stage, Xiang Suoshu public electrode provides public voltage signal；
In i-th of display scan phase, pass through first to K in i-th of shifting deposit unit groupiA shift LD list
Each scan line of the member successively into i-th of scanline groups provides display scanning signal, while to the public electrode
Public voltage signal is provided.
8. driving method according to claim 7, which is characterized in that in each touch-control scan phase respectively to one
The public electrode provides the touch scanning signals.
9. a kind of display panel, which is characterized in that the display panel includes array base as claimed in any one of claims 1 to 6
Plate；
The display panel further includes the color membrane substrates being arranged oppositely with the array substrate；
The touch detection electrodes of multiple strips are provided on the color membrane substrates；
Orthographic projection from any one of touch detection electrodes to plane where the array substrate and each public electrode to
The orthographic projection of plane is least partially overlapped where the array substrate.
10. a kind of display device, which is characterized in that the display device includes display panel as claimed in claim 9.
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| TWI819527B (en) * | 2021-05-20 | 2023-10-21 | 元太科技工業股份有限公司 | Display device and display device driving method |
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| CN109254695A (en) * | 2018-11-23 | 2019-01-22 | 京东方科技集团股份有限公司 | The driving method of touch-control display panel, display device and touch-control display panel |
| CN113838398B (en) * | 2020-06-24 | 2023-07-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN113903283B (en) * | 2020-07-06 | 2023-10-13 | 敦泰电子股份有限公司 | Driving system and method of touch display panel |
| CN112785978B (en) * | 2021-03-10 | 2022-02-01 | 合肥维信诺科技有限公司 | Array substrate |
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