CN110070821A - A kind of display panel and its driving method and display device - Google Patents

A kind of display panel and its driving method and display device Download PDF

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Publication number
CN110070821A
CN110070821A CN201910472132.7A CN201910472132A CN110070821A CN 110070821 A CN110070821 A CN 110070821A CN 201910472132 A CN201910472132 A CN 201910472132A CN 110070821 A CN110070821 A CN 110070821A
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China
Prior art keywords
sub
pixel
subpixel area
data line
scan
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Granted
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CN201910472132.7A
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CN110070821B (en
Inventor
迟霄
符鞠建
吴天一
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Shanghai Tianma Microelectronics Co Ltd
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Shanghai Tianma Microelectronics Co Ltd
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Priority to CN201910472132.7A priority Critical patent/CN110070821B/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • G09G3/2074Display of intermediate tones using sub-pixels
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/28Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264Details of driving circuits
    • G09G2310/0286Details of a shift registers arranged for use in a driving circuit
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving

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  • Engineering & Computer Science (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 present invention discloses a kind of display panel and its driving method and display device, includes array of sub-pixels and multiple data lines in the viewing area of display panel;Array of sub-pixels is divided at least two subpixel areas;In the same column sub-pixel of array of sub-pixels, the data line being electrically connected positioned at the sub-pixel of different subpixel areas is different, and the sub-pixel positioned at identical subpixel area is at least electrically connected with a data line;It is different by the scan frequency of scan unit of rows corresponding at least two subpixel areas, when so that scanning different subpixel areas with different scan frequencies, only the storage capacitance into partial scan frequency higher subpixel area in pixel circuit data voltage can be written in a frame, so that the charge and discharge electric frequency of the parasitic capacitance between the data line and other film layers of the lower subpixel area sub-pixel electrical connection of scan frequency is lower, the kwh loss due to the frequent charge and discharge of parasitic capacitance between data line and other film layers is reduced.

Description

A kind of display panel and its driving method and display device
Technical field
The present embodiments relate to field of display technology more particularly to a kind of display panels and its driving method and display dress It sets.
Background technique
With the development of display technology, the requirement to display panel performance is also higher and higher.
Display panel generally includes pixel circuit corresponding with each pixel, and including multiple data lines, multi-strip scanning The multi-signals line such as line, includes storage capacitance in pixel circuit, and pixel circuit during the work time, is needed through data line to depositing Storage, which is held, carries out charge and discharge.
However, there are parasitic capacitance between data line and other signal wires, when high-frequency drive display panel, need frequent Charge and discharge are carried out to storage capacitance, while also charge and discharge frequently can be carried out to parasitic capacitance, cause many electric quantity consumptions in parasitism On capacitor, that is, cause unnecessary electric quantity consumption.
Summary of the invention
The present invention provides a kind of display panel and its driving method and display device, to realize the driving for reducing display panel Power consumption.
The embodiment of the present invention proposes a kind of display panel, including viewing area and non-display area, includes sub-pixel in viewing area Array and multiple data lines, array of sub-pixels include multiple sub-pixels, and each sub-pixel is electrically connected a data line;Sub-pixel battle array Column are divided at least two subpixel areas;In the same column sub-pixel of array of sub-pixels, positioned at the son of different subpixel areas The data line of pixel electrical connection is different, and the sub-pixel positioned at identical subpixel area is at least electrically connected with a data line;
It is different by the scan frequency of scan unit of rows corresponding at least two subpixel areas.
Optionally, it is electrically connected positioned at the same row sub-pixel of same subpixel area with same data line.
Optionally, at least two subpixel areas are respectively the first sub-pixel area domain and the second subpixel area, the first son Pixel region corresponds to the first scan frequency, corresponding second scan frequency of the second subpixel area;
In same column sub-pixel, the electrical connection corresponding with a data line of sub-pixel in the first sub-pixel area domain, the second sub- picture Sub-pixel electrical connection corresponding at least two data lines in plain region;Wherein, the first scan frequency is less than the second scan frequency.
Optionally, with the different data line two sides that be distributed in sub-pixel column opposite of same row sub-pixel connection.
Optionally, each subpixel area includes at least a line sub-pixel.
Optionally, display panel further includes driving chip and scan drive circuit, and scan drive circuit and driving chip are electric Connection, scan drive circuit include multiple scanning signal output ends, and each scanning signal output end passes through scan line connection one Row sub-pixel;Driving chip includes multiple data signal outputs, and each data signal output connects a data line.
Optionally, along data line extending direction, the data line being electrically connected with the closer subpixel area of driving chip distance Length is shorter.
Optionally, along data line extending direction, the subpixel area of corresponding maximum scan frequency apart from driving chip away from From nearest.
Optionally, array of sub-pixels is divided into n subpixel area, wherein n >=2, and each subpixel area is corresponding to sweep Retouch frequency difference;Scan drive circuit includes multiple scan drive cells, and scan drive cell and subpixel area correspond; Each scan drive cell includes multiple shift registers, and shift register includes trigger signal input terminal and scanning signal output End;
The trigger signal input terminal of first shift register in each scan drive cell passes through triggering driving signal Line is electrically connected with driving chip, and the scanning of the trigger signal input terminal and the m-1 shift register of m-th of shift register is believed Number output end electrical connection, wherein m >=2.
Optionally, array of sub-pixels is divided into n subpixel area, n >=2, wherein includes extremely in n subpixel area The subpixel area of few two corresponding same scan frequencies;Scan drive circuit includes multiple scan drive cells, turntable driving Unit and subpixel area correspond;Each scan drive cell includes multiple shift registers, and shift register includes touching Signalling input terminal and scanning signal output end;
First turntable driving list in scan drive cell corresponding to the subpixel area of corresponding same scan frequency The trigger signal input terminal of first shift register in member is electrically connected by triggering drive signal line with driving chip, corresponding First displacement of j-th of scan drive cell in scan drive cell corresponding to the subpixel area of same scan frequency The scanning signal of the last one shift register of the trigger signal input terminal and -1 scan drive cell of jth of register exports End electrical connection, j >=2;In same scan drive cell, the trigger signal input terminal of m-th shift register and the m-1 displacement The scanning signal output end of register is electrically connected, wherein m >=2.
Second aspect, the embodiment of the invention also provides a kind of display device, the display panel provided including first aspect.
The third aspect, the embodiment of the invention also provides a kind of driving method of display panel, display panel includes display Area and non-display area include array of sub-pixels and multiple data lines in viewing area, and array of sub-pixels includes multiple sub-pixels, each Sub-pixel is electrically connected a data line;Array of sub-pixels is divided at least two subpixel areas;Same column of array of sub-pixels In pixel, the data line being electrically connected positioned at the sub-pixel of different subpixel areas is different, positioned at the son of identical subpixel area Pixel is at least electrically connected with a data line;
Driving method includes:
In one frame, by sub-pixel input data signal of the data line into preset subpixel area, data line is to one When subpixel area input data signal, the data line being connect with other subpixel area sub-pixels not input data signal;
In an at least frame, the sub-pixel at least one subpixel area does not receive data-signal;
In at least another frame, the sub-pixel at least two subpixel areas of array of sub-pixels receives data letter Number.
Optionally, pixel array is divided into the first sub-pixel area domain and the second subpixel area, the first sub-pixel area domain pair Answer the first scan frequency, corresponding second scan frequency of the second subpixel area, wherein the first scan frequency is less than the second scanning frequency Rate;
Driving method further include: in an at least frame, pass sequentially through data line to the sub- picture for corresponding to the second scan frequency Sub-pixel input data signal in plain region, and to correspond to the first scan frequency subpixel area in sub-pixel not Input data signal passes sequentially through data line in corresponding to the subpixel area of the first scan frequency at least another frame Sub-pixel and corresponding to the sub-pixel input data signal in the subpixel area of the second scan frequency.
Display panel and its driving method provided in an embodiment of the present invention and display device, by by sub-pixel in viewing area Array is divided at least two subpixel areas;In the same column sub-pixel of array of sub-pixels, positioned at different subpixel areas The data line of sub-pixel electrical connection is different, and the sub-pixel positioned at identical subpixel area is at least electrically connected with a data line;Extremely It is different by the scan frequency of scan unit of rows corresponding to few two sub-pixels region, display panel can be made Different subpixel region shows that the refresh rate of picture is different, and it is possible to scan with different scan frequencies different When subpixel area, in a frame can only into partial scan frequency higher subpixel area in pixel circuit storage electricity Hold write-in data voltage, so that the data line and other films of the lower subpixel area sub-pixel electrical connection of scan frequency The charge and discharge electric frequency of parasitic capacitance between layer is lower, reduces since the parasitic capacitance between data line and other film layers is frequently filled The kwh loss of electric discharge finally reduces the driving power consumption of entire display panel.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram that a kind of subpixel area of display panel provided in an embodiment of the present invention divides;
Fig. 3 is the timing diagram of the transmitted data-signal of data line in display panel provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of another display panel provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of another display panel provided in an embodiment of the present invention;
Fig. 6 is the schematic diagram of the division of the subpixel area for another display panel that inventive embodiments provide;
Fig. 7 is the structural schematic diagram of another display panel provided in an embodiment of the present invention;
Fig. 8 is the structural schematic diagram of another display panel provided in an embodiment of the present invention;
Fig. 9 is the structural schematic diagram of another display panel provided in an embodiment of the present invention;
Figure 10 is a kind of flow chart of the driving method of display panel provided in an embodiment of the present invention;
Figure 11 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
As described in the background art, in display panel include multiple pixels, specifically multiple sub-pixels, and including with son The multi-signals lines such as the corresponding pixel circuit of pixel, and the data line, the scan line that are connect with pixel circuit.Data line and other Exist between overlapping metallic diaphragm (such as other have overlapping signal wires with data line) with data line there are parasitic capacitance, When driving display panel, usually require in every frame to the storage in the corresponding pixel circuit of sub-pixels all in entire display panel Capacitor carries out charge and discharge, and the process to storage capacitance charging is usually that driving chip passes through data line to storage capacitance write-in data The process of voltage, therefore, when charging to storage capacitance, while the parasitism that data line and other metallic diaphragms can be also formed Capacitor charges, and causes many electric quantity consumptions in parasitic capacitance, that is, causes unnecessary electric quantity consumption;Especially driven in high frequency When dynamic display panel, the frequency for carrying out charge and discharge to storage capacitance is higher, correspondingly, carrying out the frequency of charge and discharge to parasitic capacitance Also can be higher, the electricity for causing to consume in parasitic capacitance is larger, and the driving power consumption for ultimately causing display panel is larger.
Based on the above issues, the embodiment of the present invention provides a kind of display panel, and Fig. 1 is one kind provided in an embodiment of the present invention The structural schematic diagram of display panel, with reference to Fig. 1, which includes viewing area 110 and non-display area 120, viewing area It include array of sub-pixels and multiple data lines (D1, D2, D3, D4, D5, D6 ...) in 110, array of sub-pixels includes multiple sub- pictures Element 111, each sub-pixel 111 are electrically connected a data line;Array of sub-pixels is divided at least two subpixel areas;Sub-pixel In the same column sub-pixel of array, the data line being electrically connected positioned at the sub-pixel of different subpixel areas is different, is located at identical son The sub-pixel of pixel region is at least electrically connected with a data line;
It is different by the scan frequency of scan unit of rows corresponding at least two subpixel areas.
Specifically, viewing area 110 is that display panel can carry out the region that picture is shown, non-display area 120 is display surface The region that plate is shown without picture schematically shows non-display area 120 around the aobvious of viewing area 110 with reference to Fig. 1, Fig. 1 Show panel construction, it should be noted that the positional relationship of non-display area 120 and viewing area 110 is not limited to shown in FIG. 1 non- Viewing area 120 surrounds viewing area 110, be also possible to viewing area 110 around non-display area 120 (such as the display panel shielded comprehensively, Non-display area 120 only includes the corresponding region of camera, and viewing area 110 is arranged around non-display area 120 at this time), it can also be The viewing area 110 and 120 positional relationship of non-display area that any display panel has in the prior art.
Display of the array of sub-pixels to carry out display picture in viewing area 110, array of sub-pixels includes multiple sub- pictures Element, multiple sub-pixels 111 can be with array arrangement.Wherein, the embodiment of the present invention to the type of display panel without limitation, such as it is aobvious Show that panel can be organic light emitting display panel, each sub-pixel may include an organic luminescent device at this time;Display panel is also It can be micro-led (Micro LED) display panel, each sub-pixel may include a Micro LED at this time. Display panel further includes pixel circuit corresponding with sub-pixel, includes storage capacitance in pixel circuit, each storage capacitance is usual It is directly or indirectly electrically connected with the data line in display panel, so that the data voltage of data line transmission can be written into and deposit Storage is held.It should be noted that every data line includes first 11 extended along Y-direction and connection in the embodiment of the present invention Second 12 of first and each pixel, i.e., second 12 of each corresponding data line of pixel, optionally, second 12 edge X-direction setting.
Specifically, when display panel is shown, it is possible that a part of region shows that picture refreshing is very fast, a part Region shows the slower situation of picture refreshing, and the corresponding scan frequency of different zones may be different in this case.And tradition is aobvious Show in panel, usually entire display panel only corresponds to a scan frequency, and each column pixel connect with a data line, to each When data voltage is written in sub-pixel, the transmission of data voltage all can be by first 11 of the data line being electrically connected with the sub-pixel And each second 12 of the data line being electrically connected with the sub-pixel, it is as described in the background art, data line and other with Data line exists between overlapping metal layer there are parasitic capacitance, i.e., first 11 and second 12 of every data line and other It is likely to cause the storage capacitance charge and discharge in the corresponding pixel circuit of each sub-pixel there are parasitic capacitance between metal layer It, all can be to the data line (including first 11 and second 12 multiple) and other metal layer shapes being electrically connected with the sub-pixel when electric At parasitic capacitance carry out a charge and discharge, cause very big kwh loss.
In the embodiment of the present invention, array of sub-pixels is at least divided into two sub-pixels region, and at least two sub-pixels The corresponding scan frequency with behavior scan unit in region is different, schematically shows array of sub-pixels with reference to Fig. 1, Fig. 1 and draws The case where being divided into two sub-pixels region, being denoted as the first sub-pixel area domain 130 and the second subpixel area 140 respectively, below with Array of sub-pixels shown in Fig. 1 is divided into the case where two sub-pixels region and is illustrated.Fig. 2 is provided in an embodiment of the present invention one The schematic diagram that the subpixel area of kind display panel divides, the schematic diagram that subpixel area shown in Fig. 2 divides correspond to shown in Fig. 1 The structural schematic diagram of display panel, with reference to Fig. 1 and Fig. 2, illustratively, the first sub-pixel area domain 130 corresponds to relatively low sweep Frequency is retouched, the second subpixel area 140 corresponds to relatively high scan frequency, correspondingly, within the same time, the first sub-pixel Display picture refreshing number is less in region 130, and display picture refreshing number is more in the second subpixel area 140.Same column It in pixel, is illustrated by taking one column sub-pixel of the leftmost side in Fig. 1 as an example, the sub-pixel in the first sub-pixel area domain 130 connects Data line D1 is met, sub-pixel in the second subpixel area 140 connects data line D2, in same column sub-pixel, the first sub- picture Plain region 130 connects different data lines with the sub-pixel in the second subpixel area 140, can make in a frame, only to Data are written in sub-pixel in higher second subpixel area 140 of scan frequency, i.e., to the son in the second subpixel area 140 The storage capacitance charge and discharge of the corresponding pixel circuit of pixel, each pixel corresponding to the sub-pixel in the first sub-pixel area domain 130 Storage capacitance in circuit is without charge and discharge, i.e., the data line being electrically connected with the sub-pixel in the first sub-pixel area domain 130 is not Input data voltage, and then can be in a frame, only to the data line being electrically connected with the sub-pixel in the second subpixel area 140 First 11 parasitic capacitance that is formed between second 12 and other film layers carry out charge and discharge, without to the first sub-pixel The parasitism electricity that first 11 of the data line of sub-pixel electrical connection in region 130 is formed between second 12 and other film layers Hold and carry out charge and discharge, so reduce to the data line that be electrically connected with sub-pixel in the first sub-pixel area domain 130 and other film layers it Between the parasitic capacitance that is formed carry out kwh loss caused by frequent charge and discharge, reduce the driving power consumption of display panel.
It should be noted that for a column sub-pixel, the number that is connect with the sub-pixel in the first sub-pixel area domain 130 According to the first 11 parasitism electricity between other film layers of line and the data line being connect with 140 sub-pixel of the second subpixel area Hold it is almost the same, therefore, in a frame only to a certain subpixel area be written data voltage when, can specifically reduce and not write Enter the second 12 parasitic capacitance charge and discharge band between other film layers of the data line of the subpixel area connection of data voltage The kwh loss come.
It should be noted that when the display picture of all subpixel areas all needs to change in display panel in a certain frame, Charge and discharge can also be carried out to the corresponding storage capacitance of sub-pixel in all subpixel areas in a frame.Fig. 3 is of the invention real The timing diagram of the transmitted data-signal of data line in the display panel of example offer is applied, which can correspond to display shown in FIG. 1 In panel, data-signal that the data line D1 and data line D2 being electrically connected with one column sub-pixel of the leftmost side are transmitted.Only show in Fig. 3 It shows to meaning property 4 frames (t1, t2, t3, t4) and shows the corresponding data of picture.With reference to Fig. 1, Fig. 2 and Fig. 3, in first frame t1 and In third frame t3, after data line D1 transmits data-signal to the corresponding the first sub-pixel area domain 130 of low frequency range, data line D2 to Corresponding second subpixel area 140 of high frequency region transmits data-signal;In the second frame t2 and the 4th frame t4, only data line D2 Data-signal is transmitted to the second subpixel area 140 corresponding with high frequency region;It is right in the second frame t2 and the 4th frame t4 to eliminate The data line being electrically connected when data with sub-pixel in the first sub-pixel area domain 130 is written in sub-pixel in second subpixel area 140 Parasitic capacitance charge and discharge bring kwh loss is formed with other film layers.
It should be noted that only to be located at the first sub-pixel area domain 130 and the second sub- picture in a column sub-pixel in Fig. 1 Sub-pixel in plain region 140 is schematically illustrated for being separately connected a data line, in a column sub-pixel, is located at same Sub-pixel in one subpixel area can also connect two or more pieces data line, and the embodiment of the present invention is not specifically limited herein.
Array of sub-pixels in viewing area is divided at least two sub-pixel areas by display panel provided in an embodiment of the present invention Domain;In the same column sub-pixel of array of sub-pixels, the data line being electrically connected positioned at the sub-pixel of different subpixel areas is different, position It is at least electrically connected with a data line in the sub-pixel of identical subpixel area;With son corresponding at least two subpixel areas The scan frequency of pixel behavior scan unit is different;The different subpixel region of display panel can be made to show the refreshing of picture Rate is different, and it is possible to when to scan different subpixel areas with different scan frequencies, in a frame can only to Data voltage is written in storage capacitance in the higher subpixel area of partial scan frequency in pixel circuit, so that scanning frequency The charge and discharge electric frequency of parasitic capacitance between the data line and other film layers of the lower subpixel area sub-pixel electrical connection of rate It is lower, the kwh loss due to the frequent charge and discharge of parasitic capacitance between data line and other film layers is reduced, it is final to reduce entirely The driving power consumption of display panel.
It continues to refer to figure 1, based on the above technical solution, optionally, positioned at the same row of same subpixel area Sub-pixel is electrically connected with same data line, is illustrated by taking one column sub-pixel of the leftmost side in Fig. 1 as an example, and the first sub-pixel is located at Sub-pixel in region 130 is all electrically connected with data line D1, the sub-pixel in the second subpixel area 140 all with data line D2 electrical connection, it is ensured that on the basis of reducing the kwh loss as caused by frequently carrying out charge and discharge parasitic capacitance, protect The quantity of data line will not increase significantly in card display panel, advantageously reduce wiring difficulty, guarantee aperture opening ratio.
Fig. 4 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, with reference to Fig. 4, in above-mentioned technology On the basis of scheme, optionally, at least two subpixel areas are respectively the first sub-pixel area domain 130 and the second subpixel area 140, corresponding first scan frequency in the first sub-pixel area domain 130, corresponding second scan frequency of the second subpixel area 140;
In same column sub-pixel, the electrical connection corresponding with a data line of sub-pixel in the first sub-pixel area domain 130, the second son Sub-pixel electrical connection corresponding at least two data lines in pixel region 140;Wherein, the first scan frequency is less than the second scanning Frequency.
The case where being electrically connected Fig. 4 schematically shows the sub-pixel in the second subpixel area 140 with two data lines, The case where being electrically connected below with the sub-pixel in the second subpixel area 140 illustrated in fig. 4 with two data lines is illustrated, Such as first row sub-pixel in Fig. 3, the sub-pixel in the first sub-pixel area domain 130 is electrically connected with data line D1 It connects, a part in the pixel in the second subpixel area 140 is electrically connected with data line D21, another part and data line D22 electrical connection.When being charged because of the storage capacitance in the corresponding pixel circuit of each sub-pixel, all need by with the sub-pixel The data line of electrical connection transmits data voltage, and the data voltage of transmission can be by first 11 of data line and second each 12, correspondingly, the parasitic capacitance that can be formed to first 11 and second 12 with other film layers charges.Positioned at the second sub- picture The sub-pixel in plain region 140 connects at least two data lines, so that the possessed by the data line being electrically connected with each sub-pixel The number of two 12 negligible amounts, corresponding second 12 parasitic capacitance formed between other film layers is less so as to When data voltage is written in each sub-pixel in second subpixel area 140, kwh loss caused by parasitic capacitance reduces.And And because the storage capacitance in the corresponding pixel circuit of sub-pixel in the higher subpixel area of scan frequency carries out charge and discharge Frequency is higher, correspondingly, the frequency for carrying out charge and discharge to the parasitic capacitance formed between data line and other film layers is higher, because This, connects two or more pieces data line for the corresponding higher subpixel area of scan frequency, when so that scanning each sub-pixel every time Kwh loss caused by parasitic capacitance all tails off, and being more conducive to, which reduces frequently the electricity caused by parasitic capacitance charge and discharge, damages Consumption.
It continues to refer to figure 1, on the basis of above scheme, optionally, the different data line being connect with same row sub-pixel It is distributed in the opposite two sides of sub-pixel column.
Specifically, for the one column sub-pixel of the leftmost side of such as display panel shown in Fig. 1, with the first sub-pixel area domain The data line D1 of 130 sub-pixels electrical connection is located at the left side of the column sub-pixel, with the second subpixel area 140 sub-pixel electricity The data line D2 of connection is located at the right side of the column sub-pixel, and the different data line connecting with same row sub-pixel is set as being distributed In the opposite two sides of sub-pixel column, the mutual bridging for the data line being electrically connected with same row sub-pixel can be effectively reduced, And then reduce and be formed by parasitic capacitance bring kwh loss since each data line mutually bridges, further decrease display panel Driving power consumption.
It continues to refer to figure 1 and Fig. 4, based on the above technical solution, optionally, each subpixel area includes at least A line sub-pixel.
Specifically, when dividing subpixel area, generally according to the change of the corresponding display picture in each region in array of sub-pixels Change speed, show that the fast subpixel area of variation of picture then corresponds to that the sector scanning frequency is high, shows the variation of picture slowly then The corresponding sector scanning frequency is low, and each subpixel area includes at least a line sub-pixel, can be scanning with rows The scanning mode of unit is corresponding.Optionally, display panel provided in this embodiment can be applied in wearable device, such as It is installed in such as virtual reality of the equipment on the head of user and augmented reality equipment, such as only immediately ahead of eyes of user Regional display variation it is very fast, therefore a line of certain immediately ahead of eyes of user or a few rows can be divided into a sub-pixel area Domain, other row sub-pixels are divided into other subpixel area so that the subpixel area immediately ahead of eyes by high frequency sweep with And storage capacitance into the corresponding pixel circuit of subpixel area sub-pixel is when being written data, subpixel area in addition Sub-pixel be not scanned and without data write-in so that reducing immediately ahead of the eyes in addition to subpixel area Charge and discharge electrical loss caused by parasitic capacitance in subpixel area between data line and other film layers, reduces the drive of display panel Dynamic power consumption.
Fig. 5 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, with reference to Fig. 5, in above scheme On the basis of, optionally, which further includes driving chip 150 and scan drive circuit 160, scan drive circuit 160 It is electrically connected with driving chip 150, scan drive circuit 160 includes multiple scanning signal output ends, each scanning signal output end A line sub-pixel is connected by scan line (S1, S2, S3, S4, S5, S6 ...);Driving chip 150 includes multiple data-signals Output end, each data signal output connect a data line (D1, D2, D3, D4, D5, D6 ...).
Specifically, scan drive circuit 160 can provide scanning signal, driving chip to each row sub-pixel by scan line 150 can be by data line to each sub-pixel output data voltage.Scan drive circuit 160 is electrically connected with driving chip 150, is driven Dynamic chip 150 can provide trigger signal for scan drive circuit 160, so that scan drive circuit 160 receives driving chip After 150 trigger signal, start to be scanned array of sub-pixels.
It should be noted that Fig. 1-Fig. 2 and Fig. 4-Fig. 5 are only divided into the first son with the array of sub-pixels in display panel It is schematically illustrated for pixel region 130 and the second subpixel area 140, array of sub-pixels can be also divided into more Subpixel area, Fig. 6 are the schematic diagram of the division of the subpixel area for another display panel that inventive embodiments provide, reference Fig. 6, array of sub-pixels are divided into subpixel area 131-135, wherein for the subpixel area of same scan frequency, such as Same row sub-pixel in subpixel area 131 and subpixel area 135 can be connect with same data line, can also be with difference Data line connection.
Fig. 7 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, with reference to Fig. 7, in above-mentioned technology On the basis of scheme, optionally, along data line extending direction, i.e. Y-direction, with driving chip 150 apart from closer sub-pixel area The data line length of domain electrical connection is shorter.
Wherein, along data line extending direction, driving chip 150 can be at a distance from subpixel area to be extended along data line Direction, driving chip 150 is at a distance from subpixel area center.With reference to Fig. 7, Fig. 7 is still divided into two sons with array of sub-pixels It is illustrated for pixel region, respectively the first sub-pixel area domain 130 and the second subpixel area 140, wherein in data line Extending direction, i.e. Y-direction, the second subpixel area 140 and 150 distance a of driving chip be less than the first sub-pixel area domain 130 with The distance b of driving chip 150, correspondingly, data line (D2, D4, D6 ...) length being electrically connected with the second subpixel area 140 (specifically first 11 length) is less than data line (D1, D3, D5 ...) length being electrically connected with the first sub-pixel area domain 130 (specifically first 11 length), such as shown in Fig. 7, the data line being electrically connected with the second subpixel area 140 (D2, D4, D6 ...) first 11 extend in the second subpixel area 140, and it is in the first sub-pixel area domain 130 and not set Have first 11 of the data line (D2, D4, D6 ...) being electrically connected with the second subpixel area 140, then with the second sub-pixel area First 11 of the data line (D2, D4, D6 ...) that domain 140 is electrically connected does not have in the first sub-pixel area domain 130 with other film layers There is parasitic capacitance, and then eliminates first 11 of the data line (D2, D4, D6 ...) being electrically connected with the second subpixel area 140 The parasitic capacitance formed between other film layers of the first sub-pixel area domain 130 carries out kwh loss caused by frequent charge and discharge, Further decrease the driving power consumption of display panel.
It should be noted that the portion that pixel is not connected in data line can be adjusted accordingly, such as with The data line (D1, D3, D5 ...) that the first sub-pixel area domain 130 is electrically connected is in first position of the second subpixel area 140 Setting can adjust accordingly, to reduce the of the data line (D1, D3, D5 ...) being electrically connected with the first sub-pixel area domain 130 One 11 overlapping with other metallic diaphragms in the second subpixel area 140, and then reduces and 130 electricity of the first sub-pixel area domain First 11 parasitic capacitance between other film layers of the data line (D1, D3, D5 ...) of connection, and then can further drop The power consumption of low display panel.
On the basis of above-mentioned technical proposal, optionally, along data line extending direction, the sub-pixel of corresponding maximum scan frequency The distance of region distance driving chip is nearest.
With continued reference to Fig. 7, Fig. 7 is still divided into two sub-pixels region, respectively the first sub-pixel area with array of sub-pixels It is illustrated for domain 130 and the second subpixel area 140, wherein the corresponding scan frequency of the second subpixel area 140 is higher than The corresponding scan frequency in the first sub-pixel area domain 130.Specifically, because the subpixel area of corresponding maximum scan frequency needs to carry out Frequent charge and discharge, correspondingly, need to first 11 of corresponding maximum scan frequency sub-pixel electrical connection data line and with the number Frequent charge and discharge are carried out according to the parasitic capacitance between first 11, line overlapping metallic diaphragm, by the son of corresponding maximum scan frequency Pixel region is set as apart from driving chip 150 recently, and can be electrically connected with the subpixel area of maximum scan frequency is First 11 length of data line are shorter, and then reduce that be electrically connected with the subpixel area of maximum scan frequency be the of data line Parasitic capacitance between one 11 and other film layers, so that carrying out charge and discharge to corresponding maximum scan frequency subpixel area When, it is first 11 of the data line parasitism electricity between other film layers being electrically connected with the subpixel area of maximum scan frequency Power consumption in appearance is smaller, further decreases the driving power consumption to display panel.
Fig. 8 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, with reference to Fig. 8, in above scheme On the basis of, optionally, array of sub-pixels is divided into n subpixel area, wherein n >=2, and each subpixel area is corresponding to sweep Retouch frequency difference;Scan drive circuit 160 includes multiple scan drive cells, and scan drive cell and subpixel area one are a pair of It answers;Each scan drive cell includes multiple shift registers 1611, shift register 1611 include trigger signal input terminal A and Scanning signal output end B;
The trigger signal input terminal A of first shift register in each scan drive cell passes through triggering driving signal Line is electrically connected with driving chip 150, and the trigger signal input terminal A of m-th of shift register is swept with the m-1 shift register Retouch signal output end B electrical connection, wherein m >=2.
Wherein, when first shift register of each scan drive cell refers to that display panel is placed as shown in Figure 6, this is swept It retouches in driving unit near the shift register of display panel upper edge 170.
It is schematically illustrated in case where n=2 in Fig. 8, with reference to Fig. 8, display panel includes two sub-pixels Region, respectively the first sub-pixel area domain 130 and the second subpixel area 140, the first sub-pixel area domain 130 and the second sub-pixel The corresponding scan frequency in region 140 is different, correspondingly, scan drive circuit 160 includes and subpixel area one-to-one two A scan drive cell is denoted as the first scan drive cell 161 and the second scan drive cell 162, each turntable driving respectively It include multiple shift registers 1611 in unit, the scanning signal output end B of each shift register 1611 passes through scan line A line sub-pixel is connected, and then scanning signal can be exported to each rows.In each scan drive cell, shifted from second Register starts, the scanning signal output end of the trigger signal input terminal A of each shift register and a upper shift register B, and first shift register of each scan drive cell is connect with driving chip 150, driving chip 150 is to turntable driving After unit exports trigger signal, scan drive cell is swept to each row sub-pixel output being electrically connected with the scan drive cell line by line Retouch signal.Because the trigger signal input terminal A of first shift register of each scan drive cell is electrically connected with driving chip 150 respectively It connects, therefore each scan drive cell is mutually indepedent, it can it realizes and only scans the first sub-pixel area domain 130 in a frame, or Only the second subpixel area 140 of scanning, or as scanned the second sub- picture behind scanning the first sub-pixel area domain 130 in the prior art Plain region 140.Driving chip 150 is controlled and each scanning by controlling the frequency to each scan drive cell output trigger signal The scan frequency of the corresponding subpixel area of driving unit, the triggering by exporting different frequency to different subpixel region are believed Number, the storage capacitance in a frame only into the higher subpixel area of scan frequency may be implemented and charge, and then reduce with The data line of sub-pixel electrical connection in the lower subpixel area of scan frequency and the parasitic capacitance that other film layers are formed are frequent Charge and discharge bring kwh loss, reduces the driving power consumption of display panel.
Fig. 9 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, with reference to Fig. 9, in above scheme On the basis of, optionally, array of sub-pixels is divided into n subpixel area, n >=2, wherein includes extremely in n subpixel area The subpixel area of few two corresponding same scan frequencies;Scan drive circuit 160 includes multiple scan drive cells, and scanning is driven Moving cell and subpixel area correspond;Each scan drive cell includes multiple shift registers 1611, shift register 1611 include trigger signal input terminal A and scanning signal output end B;
First turntable driving list in scan drive cell corresponding to the subpixel area of corresponding same scan frequency The trigger signal input terminal A of first shift register in member passes through triggering drive signal line (E1, E2 ...) and driving core Piece 150 is electrically connected, j-th of turntable driving in scan drive cell corresponding to the subpixel area of corresponding same scan frequency The last one displacement of -1 scan drive cell of trigger signal input terminal A and jth of first shift register of unit is posted The scanning signal output end B of storage is electrically connected, j >=2;In same scan drive cell, the trigger signal of m-th of shift register Input terminal A is electrically connected with the scanning signal output end B of the m-1 shift register, wherein m >=2.
Array of sub-pixels is schematically shown in Fig. 9 is divided into the first sub-pixel area domain 130, the second subpixel area 140 and the case where 180 3 subpixel areas of third subpixel area, first is divided into below with array of sub-pixels shown in Fig. 9 Subpixel area 130, the second subpixel area 140 and third subpixel area 180, scan drive circuit 160 include and three Corresponding first scan drive cell 161 of subpixel area, the second scan drive cell 162 and third scan drive cell For 163, wherein the first sub-pixel area domain 130 is identical with the corresponding scan frequency of third subpixel area 180, and the first sub- picture Plain region 130 scan frequency difference corresponding with the second subpixel area 140 illustrates.With reference to Fig. 9, third scanning The last one of the trigger signal input terminal A of first shift register of driving unit 163 and the first scan drive cell 161 The scanning signal output end B of shift register is electrically connected, so that in a frame, the last line sub- picture in the first sub-pixel area domain 130 After the completion of element scanning, start to be scanned the sub-pixel of third subpixel area 180, keeps 130 He of the first sub-pixel area domain The scan frequency of third subpixel area 180 is consistent.Such as when the first sub-pixel area domain 130 and third subpixel area 180 are right When the scan frequency answered is greater than the second 140 corresponding scan frequency of subpixel area, in a frame, the first sub-pixel area domain is scanned After the completion of 130, can skip the second subpixel area 140 directly scanning third subpixel area 180, may be implemented in a frame only to Storage capacitance in the higher subpixel area of scan frequency charges, and then reduces and the lower sub-pixel area of scan frequency The frequent charge and discharge bring kwh loss of parasitic capacitance that the data line of sub-pixel electrical connection in domain and other film layers are formed, drop The driving power consumption of low display panel.
The embodiment of the invention also provides a kind of driving method of display panel, Figure 10 is provided in an embodiment of the present invention one The flow chart of the driving method of kind display panel, the driving method can be used for that the above-mentioned any embodiment of the present invention is driven to provide aobvious Show panel, in conjunction with Fig. 1, with reference to Figure 10, it includes son in viewing area 110 that display panel, which includes viewing area 110 and non-display area 120, Pixel array and multiple data lines, array of sub-pixels include multiple sub-pixels, and each sub-pixel is electrically connected a data line;Sub- picture Pixel array is divided at least two subpixel areas;In the same column sub-pixel of array of sub-pixels, positioned at different subpixel areas Sub-pixel electrical connection data line it is different, the sub-pixel positioned at identical subpixel area is at least electrically connected with a data line;
Driving method includes:
In step 210, a frame, pass through sub-pixel input data signal of the data line into preset subpixel area, number When according to line to a subpixel area input data signal, the data line connecting with other subpixel area sub-pixels does not input number It is believed that number;In an at least frame, the sub-pixel at least one subpixel area does not receive data-signal;In at least another frame Interior, the sub-pixel at least two subpixel areas of array of sub-pixels receives data-signal.
Specifically, array of sub-pixels includes at least two subpixel areas, and in all subpixel areas, at least two sons The corresponding scan frequency of pixel region is different.Optionally, preset subpixel area includes at least one subpixel area, when pre- If subpixel area is a certain or a few a subpixel area in all subpixel areas, in a frame, data line can be passed through Sub-pixel input data signal into some or a few a subpixel areas, rather than the son in other subpixel areas Pixel input data signal, in other words, the sub-pixel in a frame at least one subpixel area do not receive data-signal (such as The case where can refer to the second frame t2 and the 4th frame t4 in Fig. 3), it can to scan different sub-pixels with different scan frequencies When region, can only the storage capacitance into partial scan frequency higher subpixel area in pixel circuit it be written in a frame Data voltage, so that between the data line and other film layers of the lower subpixel area sub-pixel electrical connection of scan frequency Parasitic capacitance charge and discharge electric frequency it is lower, reduce due to the frequent charge and discharge of parasitic capacitance between data line and other film layers Kwh loss finally reduces the driving power consumption of entire display panel.
In at least another frame, the sub-pixel at least two subpixel areas of array of sub-pixels receives data-signal (such as the case where can refer to first frame t1 and third frame t3 in Fig. 3), it can make in a certain frame, all subpixel areas are corresponding Display picture all pixels in display panel can be scanned in a frame when all changing, and number is written to all pixels According to the normal display of guarantee display picture.
It should be noted that in certain frame, it is understood that there may be the low subpixel area of scan frequency shows that picture changes, The display picture of the high subpixel area of scan frequency does not change, then this frame can be only to the low sub-pixel of scanning scan frequency Without scanning the high subpixel area of scan frequency, correspondingly, the subpixel area high with scan frequency can be reduced in this frame Kwh loss brought by the frequent charge and discharge of parasitic capacitance that the data line of interior sub-pixel electrical connection and other film layers are formed.
The driving method of display panel provided in an embodiment of the present invention, by a frame, by data line to preset son Sub-pixel input data signal in pixel region, when data line is to a subpixel area input data signal, with other sub- pictures The data line of plain region sub-pixel connection not input data signal;In an at least frame, at least one subpixel area Sub-pixel does not receive data-signal, when can to scan different subpixel areas with different scan frequencies, in a frame Only the storage capacitance into partial scan frequency higher subpixel area in pixel circuit data voltage can be written, and then make Obtain filling for the parasitic capacitance between the data line and other film layers of the lower subpixel area sub-pixel electrical connection of scan frequency Discharge frequency is lower, reduces the kwh loss due to the frequent charge and discharge of parasitic capacitance between data line and other film layers, finally Reduce the driving power consumption of entire display panel.
It continues to refer to figure 1, on the basis of above scheme, optionally, pixel array is divided into the first sub-pixel area domain 130 With the second subpixel area 140, corresponding first scan frequency in the first sub-pixel area domain 130, the second subpixel area 140 corresponding the Two scan frequencies, wherein the first scan frequency is less than the second scan frequency;
Driving method further include: in an at least frame, pass sequentially through data line to the sub- picture for corresponding to the second scan frequency Sub-pixel input data signal in plain region, and to correspond to the first scan frequency subpixel area in sub-pixel not Input data signal passes sequentially through data line in corresponding to the subpixel area of the first scan frequency at least another frame Sub-pixel and corresponding to the sub-pixel input data signal in the subpixel area of the second scan frequency.
By only passing through sub- picture of the data line into the subpixel area for corresponding to the second scan frequency in an at least frame Plain input data signal, and the sub-pixel not input data signal into the subpixel area for corresponding to the first scan frequency, When can to scan different subpixel areas with different scan frequencies, the lower subpixel area neutron picture of scan frequency The charge and discharge electric frequency of parasitic capacitance between the data line and other film layers of element electrical connection is lower, reduces due to data line and other The kwh loss of the frequent charge and discharge of parasitic capacitance between film layer, finally reduces the driving power consumption of entire display panel.
The embodiment of the invention also provides a kind of display device, Figure 11 is a kind of display device provided in an embodiment of the present invention Structural schematic diagram, display device 10 may include display panel 100 described in any embodiment of that present invention.Display device 10 can Think mobile phone shown in Figure 11, or computer, television set, intelligence wearing display device etc., the embodiment of the present invention to this not Make particular determination.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that The invention is not limited to the specific embodiments described herein, be able to 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 by above embodiments to the present invention It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.

Claims (13)

1. a kind of display panel, which is characterized in that include array of sub-pixels in the viewing area including viewing area and non-display area And multiple data lines, the array of sub-pixels include multiple sub-pixels, each sub-pixel is electrically connected a data line; The array of sub-pixels is divided at least two subpixel areas;In the same column sub-pixel of the array of sub-pixels, it is located at difference Subpixel area sub-pixel electrical connection the data line it is different, positioned at the identical subpixel area sub-pixel at least It is electrically connected with a data line;
It is different by the scan frequency of scan unit of rows corresponding at least two subpixel areas.
2. display panel according to claim 1, which is characterized in that positioned at same row of the same subpixel area Pixel is electrically connected with data line described in same.
3. display panel according to claim 1, which is characterized in that at least two subpixel area is respectively first Subpixel area and the second subpixel area, corresponding first scan frequency in the first sub-pixel area domain, second sub-pixel Region corresponds to the second scan frequency;
In sub-pixel described in same column, the sub-pixel in the first sub-pixel area domain is corresponding with a data line to be electrically connected It connects, the sub-pixel in second subpixel area is corresponding at least two data lines to be electrically connected;Wherein, described One scan frequency is less than second scan frequency.
4. display panel according to claim 2 or 3, which is characterized in that the difference being connect with sub-pixel described in same row The data line is distributed in the opposite two sides of the sub-pixel column.
5. display panel according to claim 1, which is characterized in that each subpixel area includes at least a line institute State sub-pixel.
6. display panel according to claim 1, which is characterized in that further include driving chip and scan drive circuit, institute It states scan drive circuit to be electrically connected with the driving chip, the scan drive circuit includes multiple scanning signal output ends, often A scanning signal output end connects sub-pixel described in a line by scan line;The driving chip includes that multiple data-signals are defeated Outlet, each data signal output connect a data line.
7. display panel according to claim 6, which is characterized in that along the data line extending direction, with the driving The data line length that the closer subpixel area of chip distance is electrically connected is shorter.
8. display panel according to claim 7, which is characterized in that along the data line extending direction, corresponding highest institute It is nearest to state distance of the subpixel area of scan frequency apart from the driving chip.
9. display panel according to claim 6, which is characterized in that the array of sub-pixels is divided into n sub-pixel area Domain, wherein n >=2, the corresponding scan frequency of each subpixel area are different;The scan drive circuit includes multiple scannings Driving unit, the scan drive cell and the subpixel area correspond;Each scan drive cell includes more A shift register, the shift register include trigger signal input terminal and scanning signal output end;
The trigger signal input terminal of first shift register in each scan drive cell by triggering drive signal line with The driving chip electrical connection, the trigger signal input terminal of m-th of shift register are posted with the m-1 displacements The scanning signal output end of storage is electrically connected, wherein m >=2.
10. display panel according to claim 6, which is characterized in that the array of sub-pixels is divided into n sub-pixel area Domain, n >=2, wherein include the subpixel area of at least two corresponding same scan frequencies in the n subpixel area;It is described Scan drive circuit includes multiple scan drive cells, and the scan drive cell and the subpixel area correspond;Often A scan drive cell includes multiple shift registers, and the shift register includes trigger signal input terminal and scanning letter Number output end;
First institute in the scan drive cell corresponding to the subpixel area of the corresponding same scan frequency The trigger signal input terminal for stating first shift register in scan drive cell passes through triggering drive signal line and institute State driving chip electrical connection, the scan drive cell corresponding to the subpixel area of the corresponding same scan frequency In j-th of scan drive cell first shift register trigger signal input terminal with jth -1 described in The scanning signal output end of the last one of scan drive cell shift register is electrically connected, j >=2;The same scanning In driving unit, the trigger signal input terminal of m-th of shift register and sweeping for a shift register of m-1 Retouch signal output end electrical connection, wherein m >=2.
11. a kind of display device, which is characterized in that including any display panel of claim 1-10.
12. a kind of driving method of display panel, which is characterized in that the display panel includes viewing area and non-display area, institute Stating in viewing area includes array of sub-pixels and multiple data lines, and the array of sub-pixels includes multiple sub-pixels, each son Pixel is electrically connected a data line;The array of sub-pixels is divided at least two subpixel areas;The sub-pixel battle array In the same column sub-pixel of column, the data line being electrically connected positioned at the sub-pixel of different subpixel areas is different, is located at identical The sub-pixel of the subpixel area is at least electrically connected with a data line;
The driving method includes:
In one frame, pass through sub-pixel input data signal of the data line into the preset subpixel area, the number When according to line to a subpixel area input data signal, the number that is connect with sub-pixel described in subpixel area described in other According to line not input data signal;
In an at least frame, the sub-pixel at least one described subpixel area does not receive data-signal;
In at least another frame, the sub-pixel at least two subpixel area of the array of sub-pixels receives data Signal.
13. the driving method of display panel according to claim 12, which is characterized in that the pixel array is divided into One subpixel area and the second subpixel area, corresponding first scan frequency in the first sub-pixel area domain, the second sub- picture Corresponding second scan frequency in plain region, wherein first scan frequency is less than second scan frequency;
The driving method further include: in an at least frame, pass sequentially through the data line to corresponding to the second scan frequency Sub-pixel input data signal in subpixel area, and in corresponding to the subpixel area of first scan frequency Input data signal does not pass sequentially through the data line to corresponding to the first scan frequency at least another frame to sub-pixel Sub-pixel in subpixel area and corresponding to the sub-pixel input data letter in the subpixel area of the second scan frequency Number.
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