CN108133693A - display panel, driving method and display device - Google Patents
display panel, driving method and display device Download PDFInfo
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- CN108133693A CN108133693A CN201810004211.0A CN201810004211A CN108133693A CN 108133693 A CN108133693 A CN 108133693A CN 201810004211 A CN201810004211 A CN 201810004211A CN 108133693 A CN108133693 A CN 108133693A
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- Prior art keywords
- control unit
- switch
- signal line
- control
- data signal
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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
-
- 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
- G09G3/3614—Control of polarity reversal in general
Abstract
The present invention provides a kind of display panel, driving method and display device.In the display panel, data signal line includes the first data signal line and the second data signal line, control unit includes at least the first control unit, second control unit and third control unit, first control unit, second control unit and third control unit include multiple switch, wherein, switch of first data signal line through the first control unit is connect with the first signal wire, switch of second data signal line through the second control unit is connect with second signal line, a switch of one the first data signal line through third control unit is connect with second data signal line, first signal wire and the second signal line are grounded setting, in addition, control circuit controls the switch of the first control unit and the second control unit through first control signal line and second control signal line respectively.The driving power consumption of control circuit can be reduced using the design, efficiently use the electric energy on data signal line.
Description
Technical field
The present invention relates to display fields, and in particular, to a kind of display panel, driving method and display device.
Background technology
In liquid crystal display panel, the electric field that pixel electrode and public electrode are collectively formed is used to control turning for liquid crystal molecule
It is dynamic, so as to fulfill display function.Data line can transmit data-signal to pixel electrode.If data line only transmits a kind of polarity
Voltage signal, then liquid crystal molecule deflected for a long time to same direction, easily polarize, so as to gradually lose revolving property.In order to
Liquid crystal molecule is avoided to be chronically under unidirectional bias and polarize, two kinds of not homopolarities can be usually provided to data line
Property signal, it is a kind of be higher than public electrode voltages positive signal, it is a kind of be less than public electrode voltages negative polarity believe
Number.
In the prior art, there are four types of the reversal modes of data line, i.e., frame by frame overturn mode, line by line overturn mode,
Mode is overturn by column and overturns mode point by point.
Under overturning mode by column, in same frame picture, the polarity phase for the sub-pixel being connected with same data line
Together.When display picture is when interframe switches, the voltage signal on data line is another pole by a kind of dipole inversion before
Property, it needs to charge to data line into the opposite polarity target potential of data-signal of former frame display picture in this process, because
This interframe switching, compared with the change amount signal bigger of data line when being shown in frame, therefore, has lost according to the change amount signal of line
Larger electric energy, simultaneously so that the driving power consumption of integrated circuit (Integrated Circuit, IC) is larger.In addition, due to number
According between line and public electrode, there are mutual capacitance, and public electrode is caused according to the above-mentioned signal intensity on line in interframe switching
Disturbance become apparent, so as to cause display film flicker, reduce the display effect of display panel.
Invention content
In view of this, the present invention provides a kind of display panel, driving method and display device, to reduce data signal line
On energy loss, reduce integrated circuit driving power consumption and improve show film flicker the problem of.
In a first aspect, the present invention provides a kind of display panel, which includes a plurality of data signal line, data letter
Number line includes the first data signal line and the second data signal line；
Display pixel array, display pixel array include multiple pixels, and a data signal wire connects at least one pixel
It connects, and data signal line is used for as pixel transmission data-signal；
Control unit, control unit include at least the first control unit, the second control unit and third control unit, first
Control unit, the second control unit and third control unit include multiple switch, and switch includes first end, second end and control
End, wherein,
The first end of the switch of first control unit is connect with the first data signal line, and the of the switch of the first control unit
Two ends are connect with the first signal wire, and the control terminal of the switch of the first control unit is connect with first control signal line；
The first end of the switch of second control unit is connect with the second data signal line, and the of the switch of the second control unit
Two ends are connect with second signal line, and the control terminal of the switch of the second control unit is connect with second control signal line；
The first end of the switch of third control unit is connect with first data signal line, the switch of third control unit
Second end connect with second data signal line, the control terminal of the switch of third control unit connects with third control signal wire
It connects；
First signal wire and second signal line are grounded setting, first control signal line, second control signal line and third
Control signal wire is connect with control circuit.
Second aspect, the present invention provide a kind of driving method, which is applied to above-mentioned display panel；
Driving method includes：
One frame includes pre-charging stage, charging stage and display stage；
Pre-charging stage includes the first control unit conducting phase, the second control unit conducting phase and third control unit
Conducting phase；
In the first control unit conducting phase, control circuit transmits enable signal to the first control by first control signal line
The switch of unit processed, the switch of the first control unit are in the conduction state so that the ground potential on the first signal wire is transmitted to
One data signal line, control circuit transmit non-enable signal to the switch of the second control unit by second control signal line, the
The switch of two control units is in cut-off state, and control circuit transmits non-enable signal to third control by third control signal wire
The switch of unit processed, the switch of third control unit are in cut-off state；
In the second control unit conducting phase, control circuit transmits non-enable signal to first by first control signal line
The switch of control unit, the switch of the first control unit are in cut-off state, and control circuit is transmitted by second control signal line
For enable signal to the switch of the second control unit, the switch of the second control unit is in the conduction state so that on second signal line
Ground potential be transmitted to the second data signal line, control circuit passes through third control signal wire and transmits non-enable signal to third control
The switch of unit processed, the switch of third control unit are in cut-off state；
In third control unit conducting phase, control circuit transmits non-enable signal to first by first control signal line
The switch of control unit, the switch of the first control unit are in cut-off state, and control circuit is transmitted by second control signal line
Non- enable signal is to the switch of the second control unit, and the switch of the second control unit is in cut-off state, and control circuit passes through
Three control signal wires transmit enable signal to the switch of third control unit, and the switch of third control unit is in the conduction state,
The first data signal line and the second data signal line being connected with the same switch of third control unit have same potential；
Wherein, third control unit conducting phase is located at the first control unit conducting phase and the second control unit conducting rank
Between section.
The third aspect, the present invention also provides a kind of display device, which includes above-mentioned display panel.
Compared with the prior art, display panel provided by the invention, driving method and display device realize has as follows
Beneficial technique effect：
In display panel provided by the invention, the first data signal line is grounded by the switch of the first control unit, the
Two data signal lines are grounded by the switch of the second control unit, first data signal line and second data signal line
Switch through third control unit is connected with each other, using the design, adjusting stage after frame, when the switch of third control unit is led
When the logical stage is between the switch conduction stage of the first control unit and the switch conduction stage of the second control unit, a side
Face can reduce the driving power consumption of control circuit, on the other hand, can reduce row overturning to data signal line into line precharge
Energy loss under mode on data signal line, the third aspect can reduce the signal intensity span on data signal line, so as to
The signal intensity reduced on data signal line is disturbed caused by public electrode, improves the problem of showing film flicker, is promoted aobvious
Show effect.
Description of the drawings
Fig. 1 is a kind of schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of set-up mode of first switch provided in an embodiment of the present invention and second switch；
Fig. 5 is a kind of signal of set-up mode of the first control unit provided in an embodiment of the present invention and the second control unit
Figure；
Fig. 6 is a kind of set-up mode of first control signal line provided in an embodiment of the present invention and second control signal line
Schematic diagram；
Fig. 7 is another set-up mode of first control signal line provided in an embodiment of the present invention and second control signal line
Schematic diagram；
Fig. 8 is the schematic diagram of gate driving circuit provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of frame set-up mode provided in an embodiment of the present invention；
Figure 10 is the signal timing diagram in control signal wire provided in an embodiment of the present invention；
Figure 11 is the signal sequence schematic diagram of data signal line provided in an embodiment of the present invention；
Figure 12 is a kind of display device schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Liquid crystal display panel generally comprises backlight module, array substrate, liquid crystal layer and color membrane substrates, wherein, array substrate
Opposite disposed with color membrane substrates, liquid crystal layer is located between the two, and backlight module is located at array substrate far from color membrane substrates side, and
Backlight is provided for liquid crystal display panel, array substrate includes the multiple thin film transistor (TFT)s, a plurality of data signal line that are arranged in array
And multi-strip scanning signal wire, under the control of the scanning signal of scan signal line transmission, the data transmitted on data signal line
Signal is sent to pixel electrode by thin film transistor (TFT), the electric field controls liquid crystal being collectively formed by pixel electrode and public electrode
The rotation of molecule, so as to control passing through for backlight.In order to avoid liquid crystal molecule is chronically under unidirectional bias and is occurred
Polarization can usually provide the signal of two kinds of opposed polarities to data signal line, and a kind of is the anode higher than public electrode voltages
Property signal, it is a kind of be less than public electrode voltages minus polarity signal.Since in consecutive frame, control circuit needs to believe to data
The different voltage of polarity is inputted respectively in number line, so that the driving power consumption of control circuit is larger, the embodiment of the present invention thus
A kind of display panel, driving method and display device are provided, for solving problems of the prior art.
Fig. 1 is a kind of schematic diagram of display panel provided in an embodiment of the present invention.As shown in Figure 1, the display panel includes
Display pixel array, the display pixel array include multiple pixels 1, and multiple pixels 1 are provided commonly for display picture.The display panel
A plurality of data signal line 2 and multi-strip scanning signal wire 31 are further included, a data signal wire 2 is connect at least one pixel 1, and
Data signal line 2 is used to transmit data-signal for pixel 1, and specifically, gate driving circuit 32 is provided for scan signal line 31 and swept
Signal is retouched, under the control for the scanning signal transmitted in scan signal line 31, the data-signal in data signal line 2 can transmit to picture
Element 1.Data signal line 2 includes the first data signal line 21 and the second data signal line 22, during a frame picture is shown, first
Voltage in data signal line 21 can have different polarity from the voltage in the second data signal line, for example, the first data are believed
Voltage in number line 21 has positive polarity, and the voltage in the second data signal line 22 has negative polarity.
With continued reference to Fig. 1, which further includes control unit 4, and control unit 4 includes at least the first control unit
41st, the second control unit 42 and third control unit 43, the first control unit 41, the second control unit 42 and third control unit
43 include multiple switch SW, and switch SW includes first end E1, second end E2 and control terminal CE, wherein, the first control unit 41
The first end E1 of switch SW connect with the first data signal line 21, the second end E2 of the switch SW of the first control unit 41 and the
One signal wire 51 connects, and the control terminal CE of the switch SW of the first control unit 41 is connect with first control signal line 61；Second control
The first end E1 of the switch SW of unit 42 processed is connect with the second data signal line 22, and the second of the switch SW of the second control unit 42
End E2 is connect with second signal line 52, and the control terminal CE of the switch SW of the second control unit 42 connects with second control signal line 62
It connects；The first end E1 of the switch SW of third control unit 43 is connect with first data signal line 21, third control unit 43
The second end E2 of switch SW connect with second data signal line 22, the control terminal CE of the switch SW of third control unit 43
It is connect with third control signal wire 63；First signal wire 51 and second signal line 52 are grounded setting, first control signal line 61,
Second control signal line 62 and third control signal wire 63 are connect with control circuit 7.
Wherein, the setting of the ground connection of the first signal wire and second signal line can be by by the first signal wire and second signal line
Realization is connect with the ground wire (Ground) in display panel respectively, which can be original ground wire in display panel.Control
Circuit can be drive integrated circult (Integrated Circuit, IC).
In display panel provided in an embodiment of the present invention, the first data signal line is connect by the switch of the first control unit
Ground, the second data signal line are grounded by the switch of the second control unit, first data signal line and second data
Switch of the signal wire through third control unit is connected with each other, and is so designed that, when the switch conduction of the first control unit, release the
Extra electric energy on one data signal line so that the first data signal line can have ground potential, when the switch of the second control unit
During conducting, electric energy extra on the second data signal line is discharged so that the second data signal line there can be ground potential, when third control
During the switch conduction of unit processed, by charge neutralization, one first number with a switch connection of third control unit
There is identical current potential according to signal wire and second data signal line, when the conducting phase of the switch of third control unit is located at
When between the conducting phase of the switch of the conducting phase of the switch of the first control unit and the second control unit, controlled in third single
Before the switch conduction of member, the first data signal line and the second data-signal have different potentials, pass through third control unit
The conducting of switch can be the electricity for applying opposite polarity in next frame to data signal line to data signal line into line precharge
Pressure is prepared.Using this design, on the one hand, the driving power consumption of control circuit can be reduced；It on the other hand, can be to data-signal
Line reduces the unnecessary energy loss on data signal line under row overturning mode, efficiently uses data-signal into line precharge
Electric energy on line；The third aspect, between consecutive frame, by the switch conduction stage, the second control that set the first control unit
The switch conduction stage of unit and the switch conduction stage of third control unit, the signal intensity on data signal line can be reduced
Span disturbs so as to reduce the signal intensity on data signal line caused by public electrode, improves and shows asking for film flicker
Topic promotes display effect.
With continued reference to Fig. 1, in display panel provided in an embodiment of the present invention, X prolongs data signal line 2 along the first direction
It stretches, and Y is arranged in a second direction, wherein first direction X is parallel with the column direction of display pixel array, second direction Y and display
The line direction of pel array is parallel, and a data signal wire 2 is connect with the pixel 1 positioned at same row, on second direction Y, number
According to signal wire 2 according to the number consecutively that puts in order, as shown in Figure 1, from left to right, data signal line 2 can be followed successively by the 1st data letter
Number line, the 2nd data signal line, the 3rd data signal line ..., N-1 data signal lines, Nth data signal wire, wherein N is data
The sum of signal wire 2.Specifically, 2n-1 data signal lines are the first data signal line, and 2n data signal lines are the second number
According to signal wire, i.e., it is the first data signal line 21 that number, which is the data signal line 2 of odd number, and number is the data signal line 2 of even number
For the second data signal line 22, wherein, n is the positive integer more than or equal to 1.Arrangement side based on above-mentioned data signal line
Formula, number are that switch SW of the data signal line 2 of odd number respectively through the first control unit 41 is connect with the first signal wire 51, number
Switch SW of the data signal line 2 respectively through the second control unit 42 for even number is connect with second signal line 52,2n-1 data
A switch SW of the signal wire 2 through third control unit 43 is connect with 2n data signal lines 2, i.e., one number is the number of odd number
It is connect according to signal wire 2 by a switch SW of third control unit 43 with the data signal line that number is even number, wherein, the idol
Number is bigger and adjacent with the odd number than the odd number, for example, a switch of the 3rd data signal line through third control unit and the 4th number
It is connected according to signal wire.Above-mentioned set-up mode based on data signal line, the display panel can be used the mode overturn by column and show,
The horizontal crosstalk between adjacent two row can be reduced by the way of overturning by column, improve display effect.
The position setting of first control unit, the second control unit and third control unit on a display panel can refer to figure
1 and schematic diagram that Fig. 2, Fig. 2 are another display panel provided in an embodiment of the present invention.
In a kind of embodiment, the first control unit and the second control unit are located at one end of data signal line, and
Three control units are located at the other end of data signal line, as shown in Figure 1, the first control unit 41 and the second control unit 42 are located at
The lower end of data signal line 2, that is, for data signal line 2 close to one end of control circuit 7, third control unit 43 is located at data letter
The upper end of number line 2, that is, the one end of data signal line 2 far from control circuit 7.
In another embodiment, the first control unit, the second control unit and third control unit are respectively positioned on number
According to the same end of signal wire, as shown in Fig. 2, 43 equal position of the first control unit 41, the second control unit 42 and third control unit
In the lower end of data signal line 2, that is, data signal line 2 is close to one end of control circuit 7, in this design, first control signal
Line 61, second control signal line 62 and the distance between third control signal wire 63 and control circuit 7 are smaller, are conducive to control
The quick transmission of signal in signal wire reduces the operating time of adjusting stage after frame.Optionally, the first control unit 41,
Two control units 42 and third control unit 43 are respectively positioned on the upper end of data signal line 2, that is, data signal line 2 is far from control electricity
The one end on road 7, since a plurality of signal lead in display panel is both needed to connect with control circuit, control circuit provides work for it
Signal, therefore, closer to the position of control circuit, the item number of signal wire cabling is more, and arrangement is more complicated, therefore, by first
Control unit, the second control unit and third control unit are set to the one end of data signal line far from control circuit, reduce control
The arrangement design difficulty of unit processed.
A kind of display panel provided in an embodiment of the present invention, in the display panel, control unit reusable display panel
In original structure.In order to save cost of manufacture, the product with display defect is found as early as possible in process of production, in general,
Before control circuit is set to display panel, display test can be carried out to primary product, therefore, display panel generally includes to survey
Try circuit.Fig. 3 is the schematic diagram of another display panel provided in an embodiment of the present invention, as shown in figure 3, the display panel includes
At least two short circuit p-wires 81, at least two 82 and at least two unit of testing and controlling 83 of test control signal line, test control
Unit 83 processed include multiple switch SW, switch include first end E1, second end E2 and control terminal CE, switch SW first end E1 and
A data signal wire 2 connects, and the second end E2 of switch is connect with a short circuit p-wire 81, switchs the control terminal CE and one of SW
Bar test control signal line 82 connects, and short circuit p-wire 81 and test control signal line 82 are connect with testing weld pad 84.Wherein,
First control unit 41 and the second control unit 42 are multiplexed unit of testing and controlling 83, the first signal wire 51 and second signal line respectively
52 are multiplexed short circuit p-wire 81 respectively, and first control signal line 61 and second control signal line 62 are multiplexed test control signal respectively
Line 82.
When primary product are carried out with display test, external circuit exports test control signal to test control signal line,
Output test data signal to short circuit p-wire, the switch of unit of testing and controlling will be tested under the control of test control signal
Data signal transmission is to data signal line, will be short after a plurality of data signal line after tested control unit due in test circuit
It is connected on a short circuit p-wire, therefore, significantly reduces the quantity for the signal that external circuit need to provide.It is surveyed completing display
After examination, test circuit part is no longer participate in the course of work of display panel.
In the present embodiment, the first control unit and the second control unit are multiplexed unit of testing and controlling, the first signal respectively
Line and second signal line are multiplexed short circuit p-wire respectively, and first control signal line and second control signal line are multiplexed test control respectively
Signal wire processed.In addition, the first signal wire, second signal line, first control signal line and second control signal line are connected to control
Circuit processed, i.e., by control circuit be the first signal wire, second signal line, first control signal line and second control signal provide
Corresponding signal.In the present embodiment, by the original circuit structure being multiplexed in display panel, display panel is effectively provided
Domain utilization rate, and do not need to additionally set circuit, reduce the typesetting design difficulty of display panel.
Specifically, with continued reference to Fig. 3, the first signal wire 51 is grounded through first switch SW1, and the first of first switch SW1
End E1 is connect with the first signal wire 51, the second end E2 of first switch SW1 ground connection setting, the control terminal CE of first switch SW1 and
Control circuit 7, testing weld pad 84 are all connected with；Second signal line 52 is grounded through second switch SW2, and the first of second switch SW2
End E1 is connect with second signal line 52, the second end E2 of second switch SW2 ground connection setting, the control terminal CE of second switch SW2 and
Control circuit 7, testing weld pad 84 are all connected with.Using the design, when primary product are carried out with display test, first can be passed through
The control terminal of switch and the control terminal of second switch control first switch and second switch to be off state respectively, so as to avoid
The ground connection setting of the second end of first switch and the second end of second switch generates shadow to the signal in short circuit test signal line
It rings, in addition, in the first signal wire and the non-operational phase of second signal line, first switch, second switch, the first control unit
Switch and the switch of the second control unit are in off state, at this point, the first signal wire and second signal line suspension joint, thus
Peripheral circuits can be had an impact to avoid the first signal wire and second signal line.
It in one embodiment, can be along dotted line L, by the part where testing weld pad in display panel shown in Fig. 3
Removal, it is thus possible to reduce the frame of display panel, is advantageously implemented the narrow frame design of display panel.
Specifically, first switch is one kind in N-type transistor and P-type transistor, and second switch is N-type transistor and P
Another kind in transistor npn npn.The same output signal of the control terminal of first switch and the control terminal of second switch and control circuit
End connection.Fig. 4 is a kind of schematic diagram of set-up mode of first switch provided in an embodiment of the present invention and second switch, such as Fig. 4
It is shown, by taking first switch SW1 is N-type transistor, second switch SW2 is P-type transistor as an example, the control terminal of first switch SW1
The control terminal CE of CE and second switch SW2 is connected to the same output signal end of control circuit 7 by same cabling, when the output
When the signal of signal end output is high level, first switch SW1 conductings, second switch SW2 is off state；When the output signal
When the signal of end output is low level, second switch SW2 conductings, first switch SW1 is off state, passes through control circuit 7
Same output signal end can control conducting and the off state of first switch SW1 and second switch SW2 respectively.Using originally setting
Meter reduces the quantity of signal lead, while also reduces the quantity of the output signal end of control circuit, simplifies circuit design.
In the above-described embodiments, the switch of the first control unit, the switch of the second control unit and third control unit
Switch is thin film transistor (TFT), and the first end and second end of switch is respectively the source electrode and drain electrode of thin film transistor (TFT), the control of switch
End processed is the grid of thin film transistor (TFT).In the making of array substrate, which can be corresponding with display pixel array
Thin film transistor (TFT) formed in same manufacturing process, without additional process processing procedure, it is easy to accomplish.
Specifically, the switch of the first control unit is one kind in N-type transistor and P-type transistor, the second control unit
Switch be the another kind in N-type transistor and P-type transistor, first control signal line and second control signal line are connected to control
The same output signal end of circuit processed.Fig. 5 is the one of the first control unit provided in an embodiment of the present invention and the second control unit
The schematic diagram of kind set-up mode, as shown in figure 5, with the switch SW of the first control unit 41 with N-type transistor, the second control unit
42 switch SW is by taking P-type transistor as an example, and when the control signal of first control signal line transmission is high level, the first control is single
The switch SW conductings of member 41, when the control signal of second control signal line transmission is low level, the second control unit 42 is opened
SW conductings are closed, first control signal line 61 and second control signal line 62 may be connected to the same output signal end of control circuit 7,
Control circuit 7 is respectively that first control signal line 61 and second control signal line 62 provide control letter by the output signal end
Number, reduce the quantity of the output signal end of control circuit.
Optionally, the set-up mode of first control signal line and second control signal line can refer to Fig. 6 and Fig. 7, and Fig. 6 is this
The first control signal line and a kind of schematic diagram of set-up mode of second control signal line that inventive embodiments provide, Fig. 7 are this
The first control signal line and the schematic diagram of another set-up mode of second control signal line that inventive embodiments provide.In one kind
In set-up mode, as shown in fig. 6, first control signal line 61 is same control signal wire with second control signal line 62, the
The switch of one control unit and the switch of the second control unit, which are located at, does not go together.In another set-up mode, as shown in fig. 7,
First control signal line 61 and second control signal line 62 are same control signal wire, the switch of the first control unit and second
The switch of control unit is located at same a line.The first control is corresponded to by the different control signals transmitted in control signal wire
The switch conduction of unit or the switch conduction for causing the second control unit.Reduce the quantity of signal lead, simplify circuit
Layout design.
Based on above-described embodiment, the data signal line of display panel is connect through connecting cabling with control circuit.It is shown in frame
Stage, control circuit realize that picture is shown to data signal line input data signal.
Based on above-described embodiment, as shown in figure 8, Fig. 8 is the schematic diagram of gate driving circuit provided in an embodiment of the present invention,
The gate driving circuit 32 of display panel includes the N grades shift register 321 of cascade setting, wherein, N represents shift register
Quantity, every grade of shift register 321 correspond to scan signal line 31, and shift register 321 is used to export to scan signal line 31
Scanning signal has a connection cabling 322 between adjacent two-stage shift register 321, is used for transmission trigger signal, specifically,
Wherein level-one shift register 321 is used as the triggering letter of next stage shift register 321 by connecting the signal that cabling 322 exports
Number.N grades of shift registers 321 can be connect by connecting cabling 322 with control circuit 7, which passes through
It connects cabling 322 and exports trigger signal to control circuit 7, control circuit 7 can be according to the trigger signal to first control signal line
Or second control signal line output control signal.
The embodiment of the present invention also provides a kind of driving method, which can be applied to above-mentioned display panel.Fig. 9 is
The schematic diagram of frame set-up mode provided in an embodiment of the present invention, Figure 10 are the letter in control signal wire provided in an embodiment of the present invention
Number sequence diagram, as shown in Figure 9 and Figure 10, in the driving method, a frame T includes charging stage T1 before frame, frame shows stage T2
With adjusting stage T3 after frame, wherein, adjusting stage T3 includes the first control unit conducting phase t1, the second control unit and leads after frame
Logical stage t2 and third control unit conducting phase t3.
In Fig. 10, as an example, using high level as enable signal, wherein, S61 is represented in first control signal line 61
The signal of transmission, S62 represent the signal transmitted in second control signal line 62, and S63 represents to transmit in third control signal wire 63
Signal.With reference to Fig. 1 and Figure 10, in the first control unit conducting phase t1, control circuit 7 is passed by first control signal line 61
The switch SW, the switch SW of the first control unit 41 of defeated enable signal to the first control unit 41 are in the conduction state so that the
Ground potential on one signal wire 51 is transmitted to the first data signal line 21, that is, is discharged on the first data signal line by ground wire
Extra electric energy, control circuit 7 transmit non-enable signal to the switch SW of the second control unit 42 by second control signal line 62,
The switch SW of second control unit 42 is in cut-off state, and control circuit 7 transmits non-enabled letter by third control signal wire 63
Number to third control unit 43 switch SW, the switch SW of third control unit 43 is in cut-off state.
In the second control unit conducting phase t2, control circuit 7 transmits non-enable signal by first control signal line 61
To the switch SW of the first control unit 41, the switch SW of the first control unit 41 is in cut-off state, and control circuit 7 passes through second
Control signal wire 62 transmits enable signal to the switch SW of the second control unit 42, and the switch SW of the second control unit 42, which is in, to be led
Logical state so that the ground potential on second signal line 52 is transmitted to the second data signal line 22, that is, pass through the second number of ground wire release
According to the extra electric energy on signal wire, control circuit 7 transmits non-enable signal to third by third control signal wire 63 and controls list
The switch SW of member 43, the switch SW of third control unit 43 are in cut-off state.
In third control unit conducting phase t3, control circuit 7 transmits non-enable signal by first control signal line 61
To the switch SW of the first control unit 41, the switch SW of the first control unit 41 is in cut-off state, and control circuit 7 passes through second
Control signal wire 62 transmits non-enable signal to the switch SW of the second control unit 42, and the switch SW of the second control unit 42 is in
Cut-off state, control circuit 7 transmit enable signal to the switch SW of third control unit 43 by third control signal wire 63, and the
The switch SW of three control units 43 is in the conduction state, the first data letter being connected with the same switch SW of third control unit 43
Number 21 and second data signal line 22 of line has same potential.
Wherein, third control unit conducting phase t3 is located at the first control unit conducting phase t1 and the second control unit is led
Between logical stage t2.A kind of embodiment is shown in Figure 10, i.e. the first control unit conducting phase t1 is located at third control
Before unit conducting phase t3, the second control unit conducting phase t2 is located at after third control unit conducting phase t3, another
In a kind of embodiment, the adjusting stage after frame, the second control unit conducting phase can be located at third control unit and be connected
Before stage, the first control unit conducting phase can be located at after third control unit conducting phase, i.e. the second control unit
Conducting phase, third control unit conducting phase, the first control unit conducting phase carry out successively.
In the embodiment of the present invention provides driving method, charging stage, Ke Yiwei before frame are set before the frame display stage
Data signal line applies preset potential, shows that the stage prepares for frame；It the adjusting stage after setting frame after the frame display stage, can
Before the charging stage before the frame of next frame, the current potential in data signal line is adjusted, to charge before the frame of next frame
Stage prepares, and after frame in the adjusting stage, is connected by the way that third control unit conducting phase is set to the first control unit
Between stage and the second control unit conducting phase, it can be reached in one kind in the first data signal line and the second data signal line
It is different using its current potential between another data signal line to after ground potential, i.e., rank is connected by third control unit
Section to originally having the data signal line of ground potential into line precharge, is conducive to reduce the energy loss on data signal line, together
When, compared to shown after frame the stage only have the first control unit conducting phase and the first control unit conducting phase in one kind
Situation, the design reduces the driving work(of the control circuit in the charging stage before the frame of next frame by the process of precharge
Consumption.In addition, the first control unit conducting phase, the second control unit conducting phase and phase III conducting phase can make data
Need the preset potential applied close before frame of the current potential into next frame on signal wire in charging stage on data signal line, because
This, can reduce the signal intensity span on data signal line, so as to reduce the signal intensity on data signal line to common electrical
Disturbance caused by pole, improves the problem of showing film flicker, promotes display effect.
Specifically, the charging stage before frame applies target potential to data signal line, wherein, in same frame, to first
The target potential applied on data signal line has opposite polarity with the target potential applied on the second data signal line,
In consecutive frame, the target potential applied on same data signal line has opposite polarity.The stage is shown in frame, to data-signal
Line transmits data-signal, can transmit scanning signal to scan signal line line by line by gate driving circuit, control data-signal
Data-signal in line is transmitted in pixel line by line.The charging stage before frame, to data signal line apply target potential, for for
Frame shows that the stage prepares so that when frame shows that the stage is to data signal line input data signal, reduces data-signal input
The corresponding charging time on data signal line in the process, conducive to rapidly inputting for data-signal.For example, in same frame, to
Apply target potential 5V on one data signal line, apply target potential -5V, the first data signal line on the second data signal line
On the target potential that is applied in and the target potential being applied on the second data signal line there is opposite polarity, show rank in frame
Section can input the data-signal being located in the range of 0V-5V to the first data signal line, can be inputted to the second data signal line
Data-signal in the range of -5V-0V, so as to reduce in data-signal input process on data signal line during corresponding charging
Between.In row overturning mode, in consecutive frame, the target potential applied on same data signal line has opposite polarity.Example
Such as, in a frame, the target potential being applied on the first data signal line is 5V, the target being applied on the second data signal line
Current potential is -5V, and in the next frame, the target potential being applied on the first data signal line is -5V, quilt on the second data signal line
The target potential of application is 5V, in this way, can to avoid only transmitting a kind of voltage signal line of polarity to pixel electrode,
Liquid crystal molecule for a long time to same direction deflect and may caused by liquid crystal molecule polarization, lose happening for revolving property.
For ease of understanding, it is illustrated by the example shown in Figure 11, Figure 11 believes for data provided in an embodiment of the present invention
The signal sequence schematic diagram of number line, in fig. 11, S21 represent the signal on the first data signal line 21, and S22 represents the second data
Signal on signal wire 22.In this example, display panel is shown using row overturning mode, and frame show the stage it
Afterwards, after frame before the adjusting stage, target potential of the stage before for its application is still shown with the frame with current potential in data signal line
For identical.With reference to Fig. 1 and Figure 11, in a frame T, the charging stage T1 before frame applies mesh on the first data signal line 21
Scalar potential 5V applies target potential -5V on the second data signal line.Stage T2 is shown in frame, to 2 the input phase of data signal line
The data-signal answered so that display panel shows corresponding picture, can be inputted to the first data signal line 21 and be located at 0V-5V models
Interior data-signal is enclosed, the data-signal being located in the range of -5V-0V can be inputted to the second data signal line 22.It is adjusted after frame
The first control unit conducting phase t1 of whole stage T3, the first data signal line 21 are grounded, and are discharged in the first data signal line 21
Electric energy so that current potential on the first data signal line 21 is by 5V (such as after frame shows stage T2, adjusting stage T3 after frame
Before, the current potential on the first data signal line 21 is still identical with the target potential 5V applied before for it) become 0V (ground potential),
Target potential into next frame in the first data signal line is close, the current potential on the second data signal line still for -5V (such as
Frame show stage T2 after, after frame before adjusting stage T3, the current potential on the second data signal line 22 still with before applies for it
Target potential -5V it is identical)；The third control unit conducting phase t3 of adjusting stage T3 after frame, with third control unit 43
First data signal line 21 being connected of same switch SW and second data signal line 22 between pass through charging neutrality
Process reaches same current potential, makes current potential on the first data signal line 21 and the second data signal line 22 respectively into its next frame
Target potential it is close, due to the current potential on the first control unit conducting phase t1, the first data signal line 21 be 0V, second
Current potential on data signal line 22 is -5V, therefore, in third control unit conducting phase t3, the first data signal line 21 and the
Current potential on two data signal lines 22 is -2.5V.The second control unit conducting phase t2 of adjusting stage T3 after frame, second
Data signal line 22 is grounded, and current potential becomes 0V on the second data signal line 22, is discharged the electric energy on the second data signal line 22, is made
It is further close to the target potential of its next frame, at this point, the current potential on the first data signal line 21 remains as -2.5V.
Charging stage T1 before the frame of next frame T applies target potential -5V, to the second data signal line 22 to the first data signal line 21
Apply target potential 5V, in the process, the current potential on the first data signal line 21 drops to -5V, the second data letter by -2.5V
Current potential on number line 22 rises to 5V by 0V, directly drops to -5V by 5V compared to the current potential on the first data signal line, and second
Current potential on data signal line is directly risen to by -5V for the situation of 5V, significantly reduces the driving power consumption of control circuit,
- 5V is dropped to by 0V even for the current potential on the first data signal line, the current potential on the second data signal line is directly by 0V
It rises to for the situation of 5V, the design also effectively reduces the driving power consumption of control circuit.It as can be seen that will by foregoing description
Third control unit conducting phase is set between the first control unit conducting phase and the second control unit conducting phase, is utilized
Charge neutralization between the first data signal line and the second data-signal with different potentials carries out data signal line
Precharge, the electric energy being effectively utilized in data signal line reduce the energy loss in data signal line.Additionally by setting
The first control unit conducting phase t1, the second control unit conducting phase t2 and the third control unit of adjusting stage T3 is led after frame
Logical stage t3 so that the current potential on data signal line is changed stepwise, and reduces the signal intensity span on data signal line, so as to
The signal intensity reduced on data signal line is disturbed caused by public electrode, improves the problem of showing film flicker, is promoted aobvious
Show effect.
It is understood that examples detailed above is with after the frame display stage, after frame before the adjusting stage, the first data-signal
Current potential on line and the second data signal line still with before for the target potential of its application it is identical for illustrate.When
After the frame display stage, after frame before the adjusting stage, the current potential on the first data signal line and the second data signal line is in frame
During the data-signal that the display stage inputs for it, the design still can serve the same role.
In driving method provided in an embodiment of the present invention, target potential includes opposite polarity first object current potential and the
Two target potentials, ground potential is between first object current potential and the second target potential.For example, first object current potential is 5V, the
Two target potentials are -5V, ground potential 0V.It is so designed that, ground potential can be used as middle transition current potential, be controlled by third single
The implementation of first conducting phase so that target potential of the current potential further into next frame in data signal line is close, so as to drop
The low driving power consumption of control circuit.
Specifically, when first control signal line is grounded through first switch, and second control signal line is grounded through second switch
When, the first control unit conducting phase of adjusting stage after frame, the control terminal output of control circuit to first switch is enabled to be believed
Number, first switch conducting so that the first signal wire has ground potential, the second control unit conducting rank of adjusting stage after frame
Section, control circuit export enable signal, second switch conducting to the control terminal of second switch so that second signal line has ground electricity
Position.
The embodiment of the present invention also provides a kind of display device, which includes the display that any of the above-described embodiment provides
Panel, specifically, the display device can be mobile phone, tablet computer, virtual reality (virtual reality, VR) device, electricity
There is the device of display function depending on machine etc..Figure 12 is a kind of display device schematic diagram provided in an embodiment of the present invention, illustratively,
Display device provided by the invention can be the mobile phone shown in Figure 12, which includes the display surface that above-described embodiment provides
Plate 100.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (16)
1. a kind of display panel, which is characterized in that including
A plurality of data signal line, the data signal line include the first data signal line and the second data signal line；
Display pixel array, the display pixel array include multiple pixels, a data signal line and at least one institute
Pixel connection is stated, and the data signal line is used for as the pixel transmission data-signal；
Control unit, described control unit includes at least the first control unit, the second control unit and third control unit, described
First control unit, the second control unit and third control unit include multiple switch, and the switch includes first end, second
End and control terminal, wherein,
The first end of the switch of first control unit is connect with first data signal line, first control unit
The second end of switch is connect with the first signal wire, and control terminal and the first control signal line of the switch of first control unit connect
It connects；
The first end of the switch of second control unit is connect with second data signal line, second control unit
The second end of switch is connect with second signal line, and control terminal and the second control signal line of the switch of second control unit connect
It connects；
The first end of the switch of the third control unit is connect with first data signal line, and the third control is single
The second end of switch of member is connect with second data signal line, the control terminal of the switch of the third control unit and
Third control signal wire connects；
First signal wire and the second signal line are grounded setting, the first control signal line, second control signal
Line and third control signal wire are connect with control circuit.
2. display panel as described in claim 1, which is characterized in that the data signal line extends in a first direction, and edge
Second direction arranges, and the data signal line is believed according to the number consecutively that puts in order, 2n-1 data signal lines for the first data
Number line, 2n data signal lines are the second data signal line；
The first direction is parallel with the column direction of the display pixel array, and a data signal line is with being located at same row
The pixel connection；
A switch of the 2n-1 data signal lines through the third control unit is connect with 2n data signal lines, wherein, n is
Positive integer more than or equal to 1.
3. display panel as claimed in claim 2, which is characterized in that first control unit and the second control unit are located at
One end of the data signal line, the third control unit are located at the other end of the data signal line.
4. display panel as claimed in claim 2, which is characterized in that first control unit, the second control unit and
Three control units are respectively positioned on the same end of the data signal line.
5. display panel as described in claim 1, which is characterized in that the display panel includes at least two short circuit tests
Line, at least two test control signal lines and at least two unit of testing and controlling, the unit of testing and controlling include multiple switch,
The switch includes first end, second end and control terminal, and the first end of the switch is connect with a data signal line, institute
The second end for stating switch is connect with a short circuit p-wire, the control terminal of the switch and a test control signal
Line connects；
The short circuit p-wire and test control signal line are connect with testing weld pad；
First control unit and second control unit are multiplexed the unit of testing and controlling, first signal wire respectively
It is multiplexed the short circuit p-wire respectively with second signal line, the first control signal line and second control signal line are multiplexed respectively
The test control signal line.
6. display panel as claimed in claim 5, which is characterized in that first signal wire is grounded through first switch, and institute
The first end for stating first switch is connect with first signal wire, the second end ground connection setting of the first switch, and described first
The control terminal of switch is all connected with the control circuit, the testing weld pad；
The second signal line is grounded through second switch, and the first end of the second switch is connect with the second signal line,
The second end ground connection setting of the second switch, the control terminal of the second switch and the control circuit, the testing weld pad
It is all connected with.
7. display panel as claimed in claim 6, which is characterized in that the first switch is N-type transistor and P-type transistor
In one kind, the second switch be N-type transistor and P-type transistor in another kind；
The control terminal of the first switch and the control terminal of the second switch and the same output signal end of the control circuit
Connection.
8. such as claim 1 any one of them display panel, which is characterized in that the switch of first control unit, second
The switch of control unit and the switch of third control unit are thin film transistor (TFT).
9. display panel as claimed in claim 8, which is characterized in that the switch of first control unit is N-type transistor
With one kind in P-type transistor, the switch of second control unit is the another kind in N-type transistor and P-type transistor；
The first control signal line and second control signal line are connected to the same output signal end of the control circuit.
10. display panel as claimed in claim 9, which is characterized in that the first control signal line and second control signal
Line is same control signal wire.
11. display panel as described in claim 1, which is characterized in that the data signal line is through connecting cabling and the control
Circuit connection processed.
12. a kind of driving method, which is characterized in that the driving method is applied to as described in claim 1-11 any one
Display panel；
In the driving method, a frame includes the adjusting stage after charging stage, frame display stage and frame before frame；
The adjusting stage, it is single to include the first control unit conducting phase, the second control unit conducting phase and third control after the frame
First conducting phase；
In the first control unit conducting phase, control circuit transmits enable signal to the first control by first control signal line
The switch of unit processed, the switch of first control unit are in the conduction state so that the ground potential transmission on the first signal wire
To the first data signal line, the control circuit transmits non-enable signal to the second control unit by second control signal line
Switch, the switch of second control unit are in cut-off state, and the control circuit is transmitted non-by third control signal wire
For enable signal to the switch of third control unit, the switch of the third control unit is in cut-off state；
In the second control unit conducting phase, control circuit transmits non-enable signal to first by first control signal line
The switch of control unit, the switch of first control unit are in cut-off state, and the control circuit is believed by the second control
Number line transmits enable signal to the switch of the second control unit, and the switch of second control unit is in the conduction state so that
Ground potential on second signal line is transmitted to the second data signal line, and the control circuit is transmitted non-by third control signal wire
For enable signal to the switch of third control unit, the switch of the third control unit is in cut-off state；
In the third control unit conducting phase, control circuit transmits non-enable signal to first by first control signal line
The switch of control unit, the switch of first control unit are in cut-off state, and the control circuit is believed by the second control
Number line transmits non-enable signal to the switch of the second control unit, and the switch of second control unit is in cut-off state, institute
It states control circuit and enable signal is transmitted to the switch of third control unit, the third control unit by third control signal wire
Switch it is in the conduction state, the first data signal line being connected with the same switch of the third control unit and the second data
Signal wire has same potential；
Wherein, the third control unit conducting phase is located at the first control unit conducting phase and the second control unit is led
Between the logical stage.
13. driving method as claimed in claim 12, which is characterized in that the charging stage before the frame believes to the data
Number line applies target potential；
Wherein, in same frame, the target potential that applies on first data signal line with to second data-signal
The target potential applied on line has opposite polarity, and in consecutive frame, the target potential applied on same data signal line has
There is opposite polarity；
The stage is shown in the frame, and data-signal is transmitted to the data signal line.
14. driving method as claimed in claim 13, which is characterized in that the target potential includes opposite polarity first mesh
Scalar potential and the second target potential, the ground potential is between the first object current potential and the second target potential.
15. driving method as claimed in claim 12, which is characterized in that when the first control signal line connects through first switch
Ground, and when the second control signal line is grounded through second switch, the first control unit conducting of adjusting stage after the frame
Stage, the control circuit export enable signal, the second of adjusting stage after the frame to the control terminal of the first switch
Control unit conducting phase, the control circuit export enable signal to the control terminal of the second switch.
16. a kind of display device, which is characterized in that including the display panel as described in claim 1-11 any one.
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