CN105869599B - Array substrate, driving method thereof and display panel - Google Patents
Array substrate, driving method thereof and display panel Download PDFInfo
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- CN105869599B CN105869599B CN201610407537.9A CN201610407537A CN105869599B CN 105869599 B CN105869599 B CN 105869599B CN 201610407537 A CN201610407537 A CN 201610407537A CN 105869599 B CN105869599 B CN 105869599B
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- 239000000758 substrate Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008054 signal transmission Effects 0.000 claims description 39
- 230000005611 electricity Effects 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 27
- 238000005516 engineering process Methods 0.000 description 11
- 239000010409 thin film Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 239000003086 colorant Substances 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 3
- 241001062009 Indigofera Species 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
Classifications
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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
- G09G3/3614—Control of polarity reversal in general
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0823—Several active elements per pixel in active matrix panels used to establish symmetry in driving, e.g. with polarity inversion
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The embodiment of the invention discloses an array substrate, a driving method thereof and a display panel, wherein the array substrate comprises: at least two sub-pixel groups; at least one switching circuit, configured to control, when displaying a frame of image, a first input terminal and a first output terminal to be turned on and a second input terminal and a second output terminal to be turned on according to a received first level signal, so as to transmit a first data signal to a corresponding first sub-pixel group and transmit a second data signal to a corresponding second sub-pixel group; and the display controller is further configured to control the first input terminal and the second output terminal to be turned on and the second input terminal and the first output terminal to be turned on according to the received second level signal when displaying a next frame of image, so as to transmit the first data signal to the corresponding second sub-pixel group and transmit the second data signal to the corresponding first sub-pixel group. The switching circuit effectively realizes a point inversion driving mode with excellent display effect in a switching mode with low power consumption, and improves the display effect.
Description
Technical field
The present embodiments relate to display actuation techniques more particularly to a kind of array substrate and its driving method and displays
Panel.
Background technology
In order to realize that Polysilicon Liquid Crystal material manufacture, i.e. low temperature polycrystalline silicon can be used in slimming, existing liquid crystal display
The thin film circuit of liquid crystal display (LTPS-LCD), LTPS-LCD can be made thinner smaller, achieve the effect that slimming.
In the thin film circuit of LTPS-LCD, usually uses multiple selector to carry out the driving of liquid crystal molecule more, thus can reduce driving core
The quantity of the signal output end of piece, reduces cost.Such as two kinds of type of drive that Figure 1A~Figure 1B is existing LCD.As shown in Figure 1A
A signal output end Si (i=1,2) for driving chip three sub-pixels of corresponding driving, one of driving chip as shown in Figure 1B
Signal output end Si (i=1,2,3,4,5,6) two sub-pixels of corresponding driving, the film of timing control line CKH control sub-pixels
Switch is turned on or off.
It is well known that liquid crystal can only exchange driving, so liquid crystal molecule could be controlled by only applying the voltage of polarity upset
Deflection.There are many existing exchange type of drive, such as frame overturning driving, row overturning driving, row overturning driving and point overturning driving.
In order to achieve the effect that reduce power consumption, existing LTPS-LCD multiselects carry out liquid crystal drive with row overturning type of drive, however go
The flicker that overturning type of drive has strip generates so that the display effect of LTPS-LCD is poor, and if other is selected to overturn driving side
Then power consumption is high for formula.
Invention content
A kind of array substrate of offer of the embodiment of the present invention and its driving method and display panel, it is aobvious to solve the prior art
Show the problem of the display effect difference of panel.
In a first aspect, an embodiment of the present invention provides a kind of array substrate, which includes：
At least two sub-pixel groups, the sub-pixel group include at least two sub-pixels；
At least one switching circuit, each described switching circuit correspond to two sub-pixel groups of driving, the switching
Circuit includes：For receive the first input end of the first data-signal, the second input terminal for receiving the second data-signal, with
First output end of corresponding first sub- pixel groups electrical connection is exported with the second of corresponding second sub- pixel groups electrical connection
The control terminal of end and the first level signal of reception or second electrical level signal；
The switching circuit, for when showing a frame image, institute to be controlled according to first level signal received
First input end and first output end conducting and second input terminal and second output terminal conducting are stated, by institute
The first data signal transmission is stated to corresponding first sub- pixel groups and by second data signal transmission to corresponding
Second sub- pixel groups；It is additionally operable to when showing next frame image, according to the second electrical level signal received, control
The first input end and second output terminal conducting and second input terminal and first output end conducting, will
First data signal transmission is to corresponding second sub- pixel groups and by second data signal transmission to correspondence
First sub- pixel groups.
Second aspect, the embodiment of the present invention additionally provide a kind of driving method of array substrate as described in relation to the first aspect,
The driving method includes：
When showing a frame image, control switching circuit gives the first data signal transmission to corresponding first sub- pixel groups
Corresponding second sub- pixel groups are given with by the second data signal transmission；
When showing next frame image, the switching circuit is controlled by first data signal transmission to corresponding described
Second sub- pixel groups and by second data signal transmission give corresponding first sub- pixel groups.
The third aspect, the embodiment of the present invention additionally provide a kind of display panel, which includes：Such as first aspect institute
The array substrate stated, and performed image display using array substrate as described in the driving method driving as described in second aspect.
In the present invention, for any one sub-pixel in any one sub-pixel group, switching circuit is terminated according to control
The switching of the level signal of receipts drives the data-signal that corresponding sub-pixel receives in arbitrary neighborhood two field pictures to have occurred instead
Turn.Technical scheme of the present invention is only believed by the level of switching circuit in the case where not increasing processing procedure process and technology difficulty
Number switching i.e. realize display effect more preferably dot inversion drive mode, reduce flicker；In addition it is not necessarily to by converting signal
The data-signal of source output only realizes sub-pixel in two frame figure of arbitrary neighborhood by the switching of the level signal of switching circuit
Data-signal reversion as in, effectively reduces power consumption.Compared with prior art, switching circuit passes through low-power consumption in the present invention
Switching mode effectively realizes the excellent dot inversion drive mode of display effect, improves display effect.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Figure 1A is a kind of schematic diagram for driving circuit that the prior art provides；
Figure 1B is the schematic diagram for another driving circuit that the prior art provides；
Fig. 2 is a kind of schematic diagram for array substrate that first embodiment of the invention provides；
Fig. 3 is a kind of schematic diagram for array substrate that second embodiment of the invention provides；
Fig. 4 is a kind of schematic diagram for array substrate that third embodiment of the invention provides；
Fig. 5 is a kind of schematic diagram for array substrate that four embodiment of the invention provides；
Fig. 6 is the time diagram in timing control source provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram for another array substrate that four embodiment of the invention provides.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, technical scheme of the present invention is clearly and completely described by embodiment, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of array substrate, the array substrate as shown in Figure 2 includes：At least two sub-pixels
Group, each sub-pixel group include at least two sub-pixels 111；At least one switching circuit 120, each switching circuit 120 are right
Two sub- pixel groups should be driven.The specifically structure of array substrate and driving side by taking two sub- pixel groups as an example in the present embodiment
Formula illustrates, which is respectively first sub- pixel groups 110a and second sub- pixel groups 110b, per height
Pixel groups include at least two sub-pixels 111.The color at least two sub-pixels and arrangement position do not carry out in the present invention
Concrete restriction, such as the color of two sub-pixels can be identical or different, two sub-pixels can be located at same pixel unit or
It is located at two pixel units.
Switching circuit 120 includes：For receiving the first input end of the first data-signal, for receiving the second data-signal
The second input terminal and corresponding first sub- pixel groups 110a electrical connections the first output end, with corresponding second sub- picture
The second output terminal of element group 110b electrical connections and the control terminal of the first level signal of reception or second electrical level signal.In this reality
It applies S1 signal sources in example and exports the first data-signal, first input end can be made with being electrically connected for first input end by S1 signal sources
Receive the first data-signal；S2 signal sources export the second data-signal, can with being electrically connected for the second input terminal by S2 signal sources
The second input terminal is set to receive the second data-signal；CKinv voltage inputs according to the switching per frame image successively and the output that recycles
One level signal and second electrical level signal can make the control of switching circuit 120 by being electrically connected for CKinv voltage inputs and control terminal
End receives the first level signal and second electrical level signal respectively in arbitrary neighborhood two field pictures.
Switching circuit 120 is used for when showing a frame image, according to the first input of the first level signal control received
End and the conducting of the first output end and the second input terminal and second output terminal conducting, by the first data signal transmission to corresponding
First sub- pixel groups 110a and by the second data signal transmission give corresponding second sub- pixel groups 110b；It is additionally operable to showing
When next frame image, according to the second electrical level signal received, first input end and second output terminal conducting and second are controlled
Input terminal and the conducting of the first output end, by the first data signal transmission to corresponding second sub- pixel groups 110b and by second
Data signal transmission gives corresponding first sub- pixel groups 110a.
For any one sub-pixel 111 in first sub- pixel groups 110a, the switching circuit in a frame image
120 receive according to the first level signal control first input end and the conducting of the first output end received, then first input end
First data-signal is transferred to corresponding first sub- pixel groups 110a by the first output end；The switching in next frame image
Circuit 120 controls the second input terminal according to the second electrical level signal received and the first output end is connected, then the second input termination
The second data-signal received is transferred to corresponding first sub- pixel groups 110a by the first output end, it follows that the sub- picture
The data-signal that element 111 receives in the adjacent two field pictures is followed successively by the first data-signal and the second data-signal, i.e., sub- picture
The data-signal that element 111 receives in adjacent two field pictures is exchanged.
For any one sub-pixel 111 in second sub- pixel groups 110b, the switching circuit in a frame image
120 control the second input terminal and second output terminal conducting according to the first level signal received, then the second input terminal receives
Second data-signal is transferred to corresponding second sub- pixel groups 110b by second output terminal；The switching in next frame image
Circuit 120 is connected according to the second electrical level signal control first input end and second output terminal that receive, then first input end connects
The first data-signal received is transferred to corresponding second sub- pixel groups 110b by second output terminal, it follows that the sub- picture
The data-signal that element 111 receives in the adjacent two field pictures is followed successively by the second data-signal and the first data-signal, i.e., sub- picture
The data-signal that element 111 receives in adjacent two field pictures is exchanged.
It will be apparent that any one sub-pixel 111 that switching circuit 120 drives receives in arbitrary neighborhood two field pictures
Data-signal exchanged, therefore the array substrate of the present embodiment realizes the effect of dot inversion drive mode.Point is anti-
Turn the excellent display effect that drive mode has flicker low relative to other drive modes, compared with prior art, the present invention exists
In the case of not increasing processing procedure process and technology difficulty, only realized by the switching of the level signal of switching circuit 120 aobvious
Show effect more preferably dot inversion drive mode.
The data-signal that the first input end of this switching circuit 120 and the second input terminal receive in every frame image not
Become, the sub-pixel group of the first output end and second output terminal driving is constant always, according only to control terminal in adjacent two field pictures
Data-signal that each sub-pixel 111 receives in arbitrary neighborhood two field pictures is realized in the switching of the level signal of reception
Reversion.Compared with prior art, without realizing sub-pixel 111 in arbitrary neighborhood by converting the data-signal of signal source output
Data-signal reversion in two field pictures, only realizes sub-pixel 111 by the switching of the level signal of switching circuit 120 and exists
Data-signal reversion in arbitrary neighborhood two field pictures, therefore effectively reduce the power consumption of array substrate.
Based on the above technical solution, it should be noted that sub-pixel 111 include thin film switch (not shown) and
The pixel electrode (not shown) being electrically connected with the drain electrode of thin film switch, state whether sub-pixel 111 charges is by timing control line
CKH is controlled, i.e. sequential control line CKH is electrically connected with the grid of thin film switch to control cut-offfing for thin film switch.Switching circuit
The source electrode of 120 output end and corresponding thin film switch is electrically connected, then when thin film switch is connected switching circuit 120 output end
By the data signal transmission of reception to corresponding pixel electrode to realize the charging to pixel electrode.Optional time in the present embodiment
Sequence control line CKHi controls one in a sub-pixel 111 and second sub- pixel groups 110b in first sub- pixel groups 110a
A sub-pixel 111, timing control line CKHi+1 control a remaining sub-pixel 111 and second in first sub- pixel groups 110a
A remaining sub-pixel 111 in a sub- pixel groups 110b.
Array substrate provided in this embodiment, for any one sub-pixel in any one sub-pixel group, switching electricity
The switching for the level signal that road is received according to control terminal, the number for driving corresponding sub-pixel to be received in arbitrary neighborhood two field pictures
It is believed that number being inverted.The array substrate of the present embodiment only passes through in the case where not increasing processing procedure process and technology difficulty
The switching of the level signal of switching circuit realizes display effect more preferably dot inversion drive mode, reduces flicker；In addition
Without the data-signal by converting signal source output, sub-pixel is only realized by the switching of the level signal of switching circuit
Data-signal reversion in arbitrary neighborhood two field pictures, effectively reduces power consumption.Compared with prior art, it is cut in the present embodiment
Change circuit effectively realizes the excellent dot inversion drive mode of display effect by the switching mode of low-power consumption, improves display effect
Fruit.
Based on the above technical solution, array substrate is described in detail by following multiple specific embodiments in the present invention
Structure and driving process.
Second embodiment of the invention also provides a kind of array substrate, each switching circuit pair in this array substrate
Two adjacent pixel units, the arrangement of subpixels sequence of two adjacent pixel units should be driven to be followed successively by first picture of composition
First sub-pixel, second sub-pixel and the third sub-pixel of plain unit, and form the 4th of second pixel unit
A sub-pixel, the 5th sub-pixel and the 6th sub-pixel.
Every three sub-pixels constitute a sub- pixel groups, the first output end of switching circuit respectively with first sub-pixel,
Third sub-pixel and the electrical connection of the 5th sub-pixel, the second output terminal of switching circuit respectively with second sub-pixel, the 4th
A sub-pixel and the 6th sub-pixel electrical connection.Optional switching circuit corresponds to the sub-pixel of two adjacent pixel units of driving
Color disposal order is followed successively by red R, green G, indigo plant B, red R, green G, indigo plant B.
A kind of schematic diagram of array substrate of second embodiment of the invention offer, array substrate shown in Fig. 3 are provided
Attached drawing continue to use the reference numeral of above-described embodiment, and the structure of same tag repeats no more.Each in array substrate is cut
It changes circuit and corresponds to the two adjacent pixel units 110 of driving, corresponded in the present embodiment with the adjacent switching circuit of two of which
It is illustrated for four adjacent pixel units 110 of driving, includes specifically that three sub-pixels are with each pixel unit 110
Example, sub-pixel include thin film switch 112 and the pixel electrode being electrically connected with thin film switch 112 113, timing control line
CKH control thin film switches 112 are turned on or off.
Array substrate includes at least first switching circuit 120a and second switching circuit 120b in the present embodiment, also
Including four adjacent pixel units 110, the sub-pixel colors of four adjacent pixel units 110 put in order be followed successively by R1,
G1, B1, R2, G2, B2, R3, G3, B3, R4, G4, B4.
Every three sub-pixels constitute a sub- pixel groups.The first output end of first switching circuit 120a is respectively with first
A sub-pixel R1, third sub- pixel B 1 and the 5th sub-pixel G2 electrical connection, the second output of first switching circuit 120a
End is electrically connected with second sub-pixel G1, the 4th sub-pixel R2 and the 6th sub- pixel B 2 respectively.Second switching circuit
The first output end of 120b is electrically connected with the 7th sub-pixel R3, the 9th sub- pixel B 3 and the 11st sub-pixel G4 respectively,
The second output terminal of second switching circuit 120b respectively with the 8th sub-pixel G3, the tenth sub-pixel R4 and the 12nd son
Pixel B 4 is electrically connected.
At this it will be understood by those skilled in the art that pixel unit may also include four sub-pixels, such as RGBY in the present invention
Or RGBW, and the sub-pixel colors of pixel unit put in order including but not limited to R, G, B, sub-pixel group sub-pixel quantity packet
It includes but is not limited to three, such as may also include two or four or other are multiple, in the present invention not to pixel unit and sub- picture
Element group carries out concrete restriction.
The first input end of first switching circuit 120a is electrically connected with S1 signal sources to receive first in the present embodiment
Second input terminal of data-signal, first switching circuit 120a is electrically connected with S2 signal sources to receive the second data-signal；The
The first input end of two switching circuit 120b is electrically connected with S3 signal sources to receive the first data-signal, second switching circuit
The second input terminal of 120b is electrically connected with S4 signal sources to receive the second data-signal；The control terminal of first switching circuit 120a
It is electrically connected with CKinv respectively with the control terminal of second switching circuit 120b to receive level signal.
Art technology is arbitrarily appreciated that the absolute value of voltage phase of the data-signal of S1, S2, S3 and S4 signal source output
Together, in addition an input terminal of the first data-signal of reception of each switching circuit can all with the first data of the same output
The signal source of signal is electrically connected, and the second data-signal of reception of each switching circuit an input terminal can all with together
The signal source electrical connection of one the second data-signal of output.
The driving principle of each switching circuit is identical in array substrate, herein with the tool of first switching circuit 120a
Its driving principle is described in detail for body driving process.First switching circuit 120a is used for when showing a frame image, according to
The the first level signal control first input end received and the conducting of the first output end and the second input terminal and second output terminal
Conducting, by the first data signal transmission give corresponding R1, B1 and G2, and by the second data signal transmission to corresponding G1,
R2 and B2；It is additionally operable to when showing next frame image, first input end and second is controlled according to the second electrical level signal received
Output end is connected and the second input terminal and the conducting of the first output end, by the first data signal transmission to corresponding G1, R2 and
B2, and give the second data signal transmission to corresponding R1, B1 and G2.It follows that first switching circuit 120a driving pair
The data-signal that any one sub-pixel answered receives in arbitrary neighborhood two field pictures is exchanged and arbitrary neighborhood two
The data-signal received in one frame image of a sub-pixel meaning in office is different.
It will be apparent that only realizing arbitrary neighborhood two by the switching of the level signal of switching circuit in array substrate
The data-signal received in one frame image of a sub-pixel meaning in office is different, any one sub-pixel is in arbitrary neighborhood two field pictures
The data-signal of reception exchanges, therefore the array substrate of the present embodiment is dot inversion drive mode, is not only effectively reduced
The power consumption of array substrate also has superior display effect.
Illustratively, based on the above technical solution, optional each switching circuit includes the first transistor 121,
Two-transistor 122, third transistor 123 and the 4th transistor 124；The input terminal and second transistor 122 of the first transistor 121
Input terminal receive the first data-signal, the input terminal of the input terminal of third transistor 123 and the 4th transistor 124 receives
Second data-signal, the output end of the first transistor 121 and the output end of third transistor 123 with corresponding first sub- picture
Element group electrical connection, the output end of the output end of second transistor 122 and the 4th transistor 124 with corresponding second sub-pixel
Group electrical connection, the control terminal of the first transistor 121, the control terminal of second transistor 122, the control terminal of third transistor 123 and
The control terminal of 4th transistor 124 receives the first level signal or second electrical level signal simultaneously.Switching circuit is used for according to first
Level signal controls the first transistor 121 and the conducting of the 4th transistor 124 while controlling second transistor 122 and third crystal
Pipe 123 ends；Switching circuit is used for according to second electrical level signal, control the first transistor 121 and the cut-off of the 4th transistor 124,
Second transistor 122 is controlled simultaneously and third transistor 123 is connected.
Specifically, first switching circuit 120a be under the control of the first level signal, by the first transistor 121 by
One data signal transmission to R1, B1 and G2, and by the 4th transistor 124 by the second data signal transmission to G1, R2 and B2.
First switching circuit 120a is under the control of second electrical level signal, by second transistor 122 by the first data signal transmission
To G1, R2 and B2, and by third transistor 123 by the second data signal transmission to R1, B1 and G2.
It will be understood by those skilled in the art that realizing that the circuit structure of switching circuit function includes but not limited to above-mentioned switching
The switching circuit that the combination of circuit structure, such as at least one phase inverter and at least one transistor is constituted can also realize its work(
Can, other examples are not carried out to the concrete structure of switching circuit in the present invention.
Optional first level signal is high level in the present embodiment, and second electrical level signal is low level；Correspondingly, first
Transistor 121 and the 4th transistor 124 are N-type transistor, and second transistor 122 and third transistor 123 are P-type transistor.
The high level signal of the first level signal is higher than the cut-in voltage of N-type transistor, the low level signal of second electrical level signal herein
Less than the cut-in voltage of P-type transistor.Also optional first level signal is low level, the second electricity in other embodiments of the present invention
Ordinary mail number is high level；Correspondingly, the first transistor and the 4th transistor are P-type transistor, second transistor and third crystal
Pipe is N-type transistor, is no longer illustrated herein.The wherein low level signal of the first level signal opening less than P-type transistor
Voltage is opened, the high level signal of second electrical level signal is higher than the cut-in voltage of N-type transistor.
The switching circuit of array substrate provided in this embodiment is made of transistor, passes through the level signal of switching circuit
Switching realizes dot inversion drive mode, and the data-signal received in two sub-pixels of arbitrary neighborhood, one frame image of meaning in office is not
Together, the data-signal that each sub-pixel receives in arbitrary neighborhood two field pictures exchanges, and can reduce array substrate
Power consumption and promotion display effect.
Third embodiment of the invention also provides a kind of array substrate, and every adjacent three in array substrate as shown in Figure 4
A switching circuit corresponds to four adjacent pixel units 110 of driving, the arrangement of subpixels sequence of four adjacent pixel units 110
It is followed successively by first sub-pixel, second sub-pixel and the third sub-pixel of first pixel unit of composition, forms second
The 4th sub-pixel, the 5th sub-pixel and the 6th sub-pixel of pixel unit, the 7th of composition third pixel unit
Sub-pixel, the 8th sub-pixel and the 9th sub-pixel, and form the tenth sub-pixel, the 11st of the 4th pixel unit
A sub-pixel and the 12nd sub-pixel.In the present embodiment example is carried out only by taking three switching circuit 120A~120C as an example to say
It is bright.
Each two sub-pixel constitutes a sub- pixel groups, and the first output end of first switching circuit 120A is respectively with first
A sub-pixel and the electrical connection of third sub-pixel, the second output terminal of first switching circuit 120A respectively with second sub-pixel
It is electrically connected with the 4th sub-pixel；The first output end of second switching circuit 120B respectively with the 5th sub-pixel and the 7th
Sub-pixel is electrically connected, the second output terminal of second switching circuit 120B respectively with the 6th sub-pixel and the 8th sub-pixel electricity
Connection；The first output end of third switching circuit 120C is electrically connected with the 9th sub-pixel and the 11st sub-pixel respectively,
The second output terminal of third switching circuit 120C is electrically connected with the tenth sub-pixel and the 12nd sub-pixel respectively.Optional four
The sub-pixel colors of a adjacent pixel unit 110, which put in order, is followed successively by red, green, blue, red, green, blue, red, green, blue, red,
It is green, blue, and it is labeled as R1, G1, B1, R2, G2, B2, R3, G3, B3, R4, G4, B4 successively.Array substrate shown in the present embodiment with
Details are not described herein for the identical part of above-mentioned any embodiment or structure.
It will be understood by those skilled in the art that pixel unit may also include four sub-pixels in the present invention, such as RGBY or
RGBW, and the sub-pixel colors of pixel unit put in order including but not limited to R, G, B, sub-pixel group sub-pixel quantity includes
But three are not limited to, such as may also include two or four or other are multiple, in the present invention not to pixel unit and sub-pixel
Group carries out concrete restriction.
The first input end of first switching circuit 120A is electrically connected with S1 signal sources to receive first in the present embodiment
Second input terminal of data-signal, first switching circuit 120A is electrically connected with S2 signal sources to receive the second data-signal；The
The first input end of two switching circuit 120B is electrically connected with S3 signal sources to receive the first data-signal, second switching circuit
The second input terminal of 120B is electrically connected with S4 signal sources to receive the second data-signal；The first of third switching circuit 120C is defeated
Enter end to be electrically connected with S5 signal sources to receive the first data-signal, the second input terminal and the S6 signals of third switching circuit 120C
Source is electrically connected to receive the second data-signal；The control terminal of first switching circuit 120A~third switching circuit 120C with
CKinv is electrically connected to receive level signal.
Art technology is arbitrarily appreciated that the voltage of the data-signal of S1, S2, S3, S4, S5 and S6 signal source output is exhausted
It is identical to being worth, in addition an input terminal of the first data-signal of reception of each switching circuit can all with the same output the
The signal source of one data-signal is electrically connected, and an input terminal of the second data-signal of reception of each switching circuit can be whole
It is electrically connected with the signal source of the second data-signal of the same output.
The driving principle of each switching circuit is identical in array substrate, is with second switching circuit 120B herein
Example, second switching circuit 120B control first input end when showing a frame image, according to the first level signal received
With the conducting of the first output end and the second input terminal and second output terminal conducting, the first data signal transmission is given to corresponding G2
And R3, and give the second data signal transmission to corresponding B2 and G3；It is additionally operable to when showing next frame image, according to receiving
Second electrical level signal control first input end and second output terminal conducting and the second input terminal and the first output end conducting, with
It gives the first data signal transmission to corresponding B2 and G3, and gives the second data signal transmission to corresponding G2 and R3.Thus may be used
Know, second switching circuit 120B drives the data letter that any one corresponding sub-pixel receives in arbitrary neighborhood two field pictures
Number exchanged and two sub-pixels of arbitrary neighborhood, one frame image of meaning in office in the data-signal that receives it is different.
It will be apparent that only realizing arbitrary neighborhood two by the switching of the level signal of switching circuit in array substrate
The data-signal received in one frame image of a sub-pixel meaning in office is different, any one sub-pixel is in arbitrary neighborhood two field pictures
The data-signal of reception exchanges, therefore the array substrate of the present embodiment is dot inversion drive mode, is not only effectively reduced
The power consumption of array substrate also has superior display effect.
Illustratively, based on the above technical solution, optional each switching circuit includes the first transistor 121,
Two-transistor 122, third transistor 123 and the 4th transistor 124；The input terminal and second transistor 122 of the first transistor 121
Input terminal receive the first data-signal, the input terminal of the input terminal of third transistor 123 and the 4th transistor 124 receives
Second data-signal, the output end of the first transistor 121 and the output end of third transistor 123 with corresponding first sub- picture
Element group electrical connection, the output end of the output end of second transistor 122 and the 4th transistor 124 with corresponding second sub-pixel
Group electrical connection, the control terminal of the first transistor 121, the control terminal of second transistor 122, the control terminal of third transistor 123 and
The control terminal of 4th transistor 124 receives the first level signal or second electrical level signal simultaneously.Switching circuit is used for according to first
Level signal controls the first transistor 121 and the conducting of the 4th transistor 124 while controlling second transistor 122 and third crystal
Pipe 123 ends；Switching circuit is used for according to second electrical level signal, control the first transistor 121 and the cut-off of the 4th transistor 124,
Second transistor 122 is controlled simultaneously and third transistor 123 is connected.
It will be understood by those skilled in the art that realizing that the circuit structure of switching circuit function includes but not limited to above-mentioned switching
The switching circuit that the combination of circuit structure, such as at least one phase inverter and at least one transistor is constituted can also realize its work(
Can, other examples are not carried out to the concrete structure of switching circuit in the present invention.
Optional first level signal is high level in the present embodiment, and second electrical level signal is low level；Correspondingly, first
Transistor 121 and the 4th transistor 124 are N-type transistor, and second transistor 122 and third transistor 123 are P-type transistor.
The high level signal of the first level signal is higher than the cut-in voltage of N-type transistor, the low level signal of second electrical level signal herein
Less than the cut-in voltage of P-type transistor.Also optional first level signal is low level, the second electricity in other embodiments of the present invention
Ordinary mail number is high level；Correspondingly, the first transistor and the 4th transistor are P-type transistor, second transistor and third crystal
Pipe is N-type transistor, is no longer illustrated herein.The wherein low level signal of the first level signal opening less than P-type transistor
Voltage is opened, the high level signal of second electrical level signal is higher than the cut-in voltage of N-type transistor.
The switching circuit of array substrate provided in this embodiment is made of transistor, passes through the level signal of switching circuit
Switching realizes dot inversion drive mode, and the data-signal received in two sub-pixels of arbitrary neighborhood, one frame image of meaning in office is not
Together, the data-signal that each sub-pixel receives in arbitrary neighborhood two field pictures exchanges, and can reduce array substrate
Power consumption and promotion display effect.
On the basis of above-mentioned any embodiment, optional array substrate further includes driving chip.Array substrate shown in Fig. 3
On the basis of, array substrate as shown in Figure 5 further includes driving chip 130, and driving chip includes for exporting the first data-signal
The first signal source S1, the second signal source S2 for exporting the second data-signal and for export with the first level signal
With the timing control source CKinv for the square wave voltage signal that second electrical level signal is upper and lower amplitude.
Array substrate includes at least one switching circuit 120, the first data of reception of switching circuit 120 in the present embodiment
The input terminal of signal is electrically connected with the first signal source S1, the input terminal and second of the second data-signal of reception of switching circuit 120
Signal source S2 electrical connections.It should be noted that the corresponding electrical connection of each switching circuit signal source different from two, therefore may be used also
Select the signal source that multiple outputting data signals are additionally provided on driving chip 130, electrical connection such as corresponding with another switching circuit
Two signal sources S3 and S4, different data-signals is exported respectively in this S3 signal source and S4 signal sources, in this driving chip
The signal source of outputting data signals is more than two on 130.
It will be understood by those skilled in the art that being provided only with the signal of two outputting data signals on also optional driving chip
Source, i.e. the first signal source export the first data-signal, and second signal source exports the second data-signal, then each switching circuit connects
The input terminal for receiving the first data-signal is electrically connected with same first signal source, the second data-signal of reception of each switching circuit
Input terminal be electrically connected with same second signal source.
The timing control source CKinv of driving chip 130 is exported with the first level signal and second electrical level signal as upper and lower width
The square wave voltage signal of value is illustrated in figure 6 the schematic diagram in timing control source.S1 signal sources and S2 signal sources are defeated in one frame image
The polarity of the data-signal gone out is constant, the arbitrary phase under the signal control and the switching of switching circuit 120 of timing control source CKInv
The data-signal that adjacent sub-pixel receives is overturn with square wave voltage signal, realizes the effect of dot inversion drive mode.It needs
It is noted that the level signal that timing control source CKinv is exported in adjacent two field pictures is overturn, then for any one
Sub-pixel, the data-signal received in adjacent two field pictures are overturn.
It should be noted that driving chip 130 is also electrically connected with a plurality of timing control line CKH, to different sequential
Control line CKH output timings control signal and are charged with realizing to pixel electrode, and driving chip 130 controls the mistake of pixel electrode charging
Details are not described herein for journey.
Illustratively, based on the above technical solution, optional first data-signal is positive voltage signal and the second number
It is believed that number be negative voltage signal.The polarity of voltage of the data-signal of the signal source output of driving chip 130 is permanent in the present embodiment
It is fixed, make polarity of voltage of two sub-pixels of arbitrary neighborhood in same frame image on the contrary, every by the switching of switching circuit 120
Polarity of voltage in the adjacent two field pictures of one sub-pixel meaning in office is overturn, then switching circuit 120 is realized in the present embodiment
Dot inversion drive mode and driving chip 130 it is low in energy consumption.
On the basis of array substrate shown in Fig. 4, array substrate as shown in Figure 7 further includes driving chip 130, driving chip
Include for exporting the first signal source S1 of the first data-signal, the second signal source S2 for exporting the second data-signal, with
And for exporting the timing control source with the first level signal and second electrical level signal for the square wave voltage signal of upper and lower amplitude
CKinv, and further include third signal source S3~the 6th signal source S6.The type of drive of the array substrate and above-mentioned array substrate
Similar, details are not described herein.
Illustratively, based on the above technical solution, the scanning signal of optional square wave voltage signal and array substrate
It is synchronous.It is upper and lower amplitude that the timing control source CKinv of driving chip 130, which is exported with the first level signal and second electrical level signal,
Square wave voltage signal, when this square wave voltage signal is synchronous with the scanning signal of array substrate, driving chip 130 often scans through one
After row pixel unit, data-signal does once inside out, i.e. the polarity of the data-signal of signal source output is constant, passes through data variation
The data-signal for making two output ends of switching circuit 120 export with signal control exchanges, and realizes driving identical with dot inversion
Effect.Since the polarity of the data-signal of signal source output is constant, the power consumption of array substrate is greatly reduced.
The embodiment of the present invention additionally provides a kind of driving method of array substrate, which is above-mentioned any embodiment
The array substrate, the driving method include：
Step 1: when showing a frame image, the first data signal transmission is given corresponding first by control switching circuit
Sub-pixel group and by the second data signal transmission give corresponding second sub- pixel groups.
Step 2: when showing next frame image, the first data signal transmission is given corresponding second by control switching circuit
A sub- pixel groups and by the second data signal transmission give corresponding first sub- pixel groups.
For any one sub-pixel in first sub- pixel groups, in a frame image, switching circuit is controlled the first number
It is believed that number be transferred to first sub- pixel groups, in next frame image switching circuit control by the second data signal transmission to the
One sub- pixel groups, it follows that the data-signal that the sub-pixel receives in the adjacent two field pictures is followed successively by the first data
Signal and the second data-signal, i.e., the data-signal that sub-pixel receives in adjacent two field pictures are overturn.
For any one sub-pixel in second sub- pixel groups, in a frame image, switching circuit is controlled the second number
It is believed that number be transferred to second sub- pixel groups, in next frame image switching circuit control by the first data signal transmission to the
Two sub- pixel groups, it follows that the data-signal that the sub-pixel receives in the adjacent two field pictures is followed successively by the second data
Signal and the first data-signal, i.e., the data-signal that sub-pixel receives in adjacent two field pictures are overturn.
The driving method of array substrate provided in this embodiment, for any one height picture in any one sub-pixel group
Element, the data-signal that switching circuit drives corresponding sub-pixel to be received in arbitrary neighborhood two field pictures are inverted.This reality
The array substrate of example is applied in the case where not increasing processing procedure process and technology difficulty, is only realized by the switching of switching circuit
Display effect more preferably dot inversion drive mode, reduces flicker；In addition it is not necessarily to the data-signal by converting signal source output,
Only data-signal of the sub-pixel in arbitrary neighborhood two field pictures is realized by the switching of switching circuit to invert, effectively reduce
Power consumption.Compared with prior art, switching circuit effectively realizes display effect by the switching mode of low-power consumption in the present embodiment
The excellent dot inversion drive mode of fruit, improves display effect.
On the basis of above-mentioned any embodiment, the embodiment of the present invention also provides a kind of display panel, the display panel packet
It includes：Array substrate as described in above-mentioned any embodiment, and the drive using the array substrate as described in above-mentioned any embodiment
Dynamic method drive array substrate performs image display.The structure and driving method of array substrate to be described in detail in the above-described embodiments,
Details are not described herein.
Display panel provided in an embodiment of the present invention is not in the case where increasing processing procedure process and technology difficulty, only by cutting
Changing the switching of the level signal of circuit realizes display effect more preferably dot inversion drive mode, reduces flicker；In addition without
The data-signal that need to be exported by converting signal source, only realizes sub-pixel by the switching of the level signal of switching circuit and exists
Data-signal reversion in arbitrary neighborhood two field pictures, effectively reduces power consumption.Compared with prior art, it is shown in the present embodiment
Panel effectively realizes the excellent dot inversion drive mode of display effect by the switching mode of low-power consumption, improves display effect
Fruit reduces power consumption, extends stand-by time, reduces flicker.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (13)
1. a kind of array substrate, which is characterized in that including：
At least two sub-pixel groups, the sub-pixel group include at least two sub-pixels；
At least one switching circuit, each described switching circuit correspond to two sub-pixel groups of driving, the switching circuit
Including：For receive the first input end of the first data-signal, the second input terminal for receiving the second data-signal, with it is corresponding
The first output end of first sub- pixel groups electrical connection, the second output terminal that is electrically connected with corresponding second sub- pixel groups with
And receive the first level signal or the control terminal of second electrical level signal；
The switching circuit controls described for when show a frame image according to first level signal received
One input terminal and first output end conducting and second input terminal and second output terminal conducting, by described the
One data signal transmission is to corresponding first sub- pixel groups and by second data signal transmission to corresponding described
Second sub- pixel groups；It is additionally operable to when showing next frame image, according to the second electrical level signal received, described in control
First input end and second output terminal conducting and second input terminal and first output end conducting, will be described
First data signal transmission gives corresponding institute to corresponding second sub- pixel groups and by second data signal transmission
State first sub- pixel groups.
2. array substrate according to claim 1, which is characterized in that each described switching circuit corresponds to two phases of driving
The arrangement of subpixels sequence of adjacent pixel unit, described two adjacent pixel units is followed successively by first pixel unit of composition
First sub-pixel, second sub-pixel and third sub-pixel, and the 4th sub-pixel of composition second pixel unit,
5th sub-pixel and the 6th sub-pixel；
Every three sub-pixels constitute a sub-pixel group, the first output end of the switching circuit respectively with described first
Sub-pixel, the third sub-pixel and the 5th sub-pixel electrical connection, the second output terminal difference of the switching circuit
It is electrically connected with second sub-pixel, the 4th sub-pixel and the 6th sub-pixel.
3. array substrate according to claim 2, which is characterized in that the sub-pixel face of described two adjacent pixel units
Color, which puts in order, is followed successively by red, green, blue, red, green, blue.
4. array substrate according to claim 1, which is characterized in that correspond to driving per three adjacent switching circuits
The arrangement of subpixels sequence of four adjacent pixel units, four adjacent pixel units is followed successively by first pixel of composition
First sub-pixel, second sub-pixel and the third sub-pixel of unit form the 4th sub- picture of second pixel unit
Element, the 5th sub-pixel and the 6th sub-pixel, form the 7th sub-pixel of third pixel unit, the 8th sub-pixel and
9th sub-pixel, and form the tenth sub-pixel, the 11st sub-pixel and the 12nd son of the 4th pixel unit
Pixel；
Each two sub-pixel constitutes a sub-pixel group, the first output end of first switching circuit respectively with it is described
First sub-pixel and third sub-pixel electrical connection, the second output terminal of first switching circuit respectively with it is described
Second sub-pixel and the 4th sub-pixel electrical connection；
First output end of second switching circuit respectively with the 5th sub-pixel and the 7th sub-pixel electricity
Connection, the second output terminal of second switching circuit respectively with the 6th sub-pixel and the 8th sub-pixel electricity
Connection；
First output end of the third switching circuit respectively with the 9th sub-pixel and the 11st sub-pixel
Electrical connection, the second output terminal of the third switching circuit respectively with the described ten sub-pixel and the 12nd sub- picture
Element electrical connection.
5. array substrate according to claim 4, which is characterized in that the sub-pixel face of four adjacent pixel units
Color, which puts in order, is followed successively by red, green, blue, red, green, blue, red, green, blue, red, green, blue.
6. according to claim 1-5 any one of them array substrates, which is characterized in that the switching circuit includes first crystal
Pipe, second transistor, third transistor and the 4th transistor；
The input terminal of the input terminal of the first transistor and the second transistor receives first data-signal, described
The input terminal of the input terminal of third transistor and the 4th transistor receives second data-signal, the first crystal
The output end of pipe and the output end of the third transistor are electrically connected with corresponding first sub- pixel groups, and described second
The output end of the output end of transistor and the 4th transistor is electrically connected with corresponding second sub- pixel groups, described
The control terminal of the first transistor, the control terminal of the second transistor, the control terminal of the third transistor and the 4th crystalline substance
The control terminal of body pipe receives first level signal or the second electrical level signal simultaneously；
The switching circuit is used to, according to first level signal, control the first transistor and the 4th transistor is led
Lead to while controlling the second transistor and third transistor cut-off；The switching circuit is used for according to second electricity
Ordinary mail number controls the first transistor and the 4th transistor cutoff while controlling the second transistor and described
Three transistor turns.
7. array substrate according to claim 6, which is characterized in that first level signal is high level, described the
Two level signals are low level；Correspondingly,
The first transistor and the 4th transistor are N-type transistor, the second transistor and the third transistor
For P-type transistor.
8. array substrate according to claim 6, which is characterized in that first level signal is low level, described the
Two level signals are high level；Correspondingly,
The first transistor and the 4th transistor are P-type transistor, the second transistor and the third transistor
For N-type transistor.
9. array substrate according to claim 1, which is characterized in that further include：
Driving chip, the driving chip include for exporting the first signal source of first data-signal, for exporting
It states the second signal source of the second data-signal and is with first level signal and the second electrical level signal for exporting
The timing control source of the square wave voltage signal of upper and lower amplitude.
10. array substrate according to claim 9, which is characterized in that first data-signal be positive voltage signal and
Second data-signal is negative voltage signal.
11. array substrate according to claim 9, which is characterized in that the square wave voltage signal and the array substrate
Scanning signal synchronize.
12. a kind of driving method of such as claim 1-11 any one of them array substrates, which is characterized in that including：
When showing a frame image, control switching circuit gives the first data signal transmission to corresponding first sub- pixel groups and will
Second data signal transmission gives corresponding second sub- pixel groups；
When showing next frame image, the switching circuit is controlled by first data signal transmission to corresponding described second
A sub- pixel groups and by second data signal transmission give corresponding first sub- pixel groups.
13. a kind of display panel, which is characterized in that including：Such as claim 1-11 any one of them array substrates, and adopt
The array substrate is driven to perform image display with driving method as claimed in claim 12.
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| CN106652952A (en) * | 2016-12-30 | 2017-05-10 | 武汉华星光电技术有限公司 | Driving method, display panel and dot inversion driving method thereof |
| CN106531110B (en) * | 2017-01-03 | 2022-01-18 | 京东方科技集团股份有限公司 | Driving circuit, driving method and display device |
| CN107068085B (en) | 2017-03-21 | 2019-06-07 | 武汉华星光电技术有限公司 | Drive control circuit and liquid crystal display |
| CN106896547A (en) * | 2017-04-01 | 2017-06-27 | 武汉华星光电技术有限公司 | The drive circuit and liquid crystal display of a kind of liquid crystal display panel |
| US10262607B2 (en) | 2017-04-01 | 2019-04-16 | Wuhan China Star Optoelectronics Technology Co., Ltd | Driving circuits of liquid crystal panels and liquid crystal displays |
| CN106981276B (en) * | 2017-05-10 | 2018-03-27 | 惠科股份有限公司 | Display panel driving method and display device |
| CN109215577B (en) * | 2018-09-11 | 2020-06-23 | 重庆惠科金渝光电科技有限公司 | Driving circuit, driving method and display panel |
| CN108922493A (en) * | 2018-09-21 | 2018-11-30 | 京东方科技集团股份有限公司 | A kind of driving circuit and its driving method, display device |
| CN110288960B (en) * | 2019-06-28 | 2021-09-28 | 武汉天马微电子有限公司 | Conversion circuit, display panel and display device |
| CN113823238A (en) * | 2021-09-26 | 2021-12-21 | 惠科股份有限公司 | Driving circuit of display panel and display device |
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| CN104102035A (en) * | 2014-06-27 | 2014-10-15 | 京东方科技集团股份有限公司 | Array substrate and driving method thereof, as well as display device |
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| KR102019764B1 (en) * | 2012-12-21 | 2019-09-09 | 엘지디스플레이 주식회사 | Liquid crystal display device and driving method thereof |
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| CN103901685A (en) * | 2012-12-31 | 2014-07-02 | 厦门天马微电子有限公司 | Liquid crystal display |
| CN104102035A (en) * | 2014-06-27 | 2014-10-15 | 京东方科技集团股份有限公司 | Array substrate and driving method thereof, as well as display device |
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