CN110517630A - The driving method and its driving device of display panel, display device - Google Patents

The driving method and its driving device of display panel, display device Download PDF

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Publication number
CN110517630A
CN110517630A CN201910818416.7A CN201910818416A CN110517630A CN 110517630 A CN110517630 A CN 110517630A CN 201910818416 A CN201910818416 A CN 201910818416A CN 110517630 A CN110517630 A CN 110517630A
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data
sub
display panel
display
data bit
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CN110517630B (en
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张东豪
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Chengdu Vistar Optoelectronics Co Ltd
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Yungu Guan Technology Co Ltd
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266—Details of drivers for scan electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3275—Details of drivers for data electrodes

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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)

Abstract

The embodiment of the invention discloses a kind of driving method of display panel and its driving device, display device, the driving method of display panel includes a frame being divided into n subframe, and the display cycle of a frame is divided into m sub- display cycles；Display panel is divided into multiple sub-spaces；Subspace number is greater than the line number of display panel；In each subspace of Weight Acquisition display panel based on data bit each data bit within the display cycle of a frame where the sub- display cycle, with acquisition time, subspace number, line number and each data bit corresponding relationship；Scanning sequence is obtained according to corresponding relationship and provides scanning signal to display panel according to scanning sequence；Data recombination is carried out to each row of data and provides data-signal to display panel according to the data after recombination to drive display panel to show.According to the technical solution of the present invention, while realizing the data-driven to display panel, the sweep time of each data bit is increased.

Description

The driving method and its driving device of display panel, display device
Technical field
The present embodiments relate to the driving method and its driving device of display field more particularly to a kind of display panel, Display device.
Background technique
Luminescent system mainly includes two kinds of driving methods of analog-driven and digital drive, simulation for grayscale realization at present It is driven through the light emission luminance for adjusting the driving current for flowing through luminescent device to adjust luminescent device, digital drive is by adjusting hair The fluorescent lifetime of optical device adjusts the light emission luminance of luminescent device, and analog signal is easy to mix noise, it is difficult to luminescent device Display grayscale reach high-precision control, and digital driver circuitry is obtained because of the advantages that its picture noise is low and switch speed is fast To being more and more widely used.
With the raising to brush frame per second and display gray scale requirement, traditional scanning algorithm can not be applicable in, the concept of subfield Start to be used in various digital drive algorithms, the sweep time of currently used subfield scanning algorithm is insufficient, and then causes Data storage is insufficient, and display image is partially dark.
Summary of the invention
The embodiment of the present invention provides the driving method and its driving device, display device of a kind of display panel, is realizing While to the data-driven of display panel, the sweep time of each data bit is increased, improves the partially dark problem of display image, Be conducive to improve the resolution ratio of display panel.
To realize above-mentioned technical problem, the invention adopts the following technical scheme:
In a first aspect, the embodiment of the invention provides a kind of driving methods of display panel, comprising:
One frame is divided into n subframe, and the display cycle of a frame is divided into m sub- display cycles；Wherein, n is institute The data bits that display panel need to be shown is stated, m is equal to n (2n- 1) integral multiple；
The display panel is divided into multiple sub-spaces；Wherein, the subspace number is greater than the display panel Line number, at least a line in the display panel correspond to the i subspaces settings, and i is the integer greater than 1；
The initial position of each subframe was set in the corresponding sub- display cycle based on the weight of data bit；
Display cycle of each data bit in a frame in each subspace of display panel described in Weight Acquisition based on data bit The sub- display cycle at interior place, with acquisition time, subspace number, line number and each data bit corresponding relationship；Wherein, a frame is aobvious Show in the period, the identical data position that do not go together shifts step by step according to the line number；
Scanning sequence is obtained according to the corresponding relationship and provides scanning to the display panel according to the scanning sequence Signal；
To each row of data carry out data recombination and according to the data after recombination to the display panel provide data-signal with The display panel is driven to be shown.
Further, the initial position of each subframe was set in the corresponding sub- display cycle based on the weight of data bit Include:
The display cycle of one frame is in turn divided into n period；Wherein, the son display week that the n periods include Issue is corresponding in turn to low bit to the weight of high data bit；
Using first sub- display cycle in each period as the initial position of each subframe.
Further, the son in each subspace of display panel described in the Weight Acquisition based on data bit where each data bit Display cycle includes: a line of the corresponding i subspaces, chooses i-1 sub-spaces and is not provided with the data bit；
Within the display cycle of a frame, the low bit setting of the subspace of the need setting data bit of corresponding the first row is existed The initial position of first subframe, and the subspace of data bit is set according to the need that the weight of each data bit will correspond to the first row Remaining each data bit was arranged within the corresponding sub- display cycle；
Within the display cycle of a frame, will corresponding+1 row of jth need setting data bit subspace data bit relative to The identical data position of the subspace of the need setting data bit of corresponding jth row shifts identical sub- display cycle number respectively；Wherein, j For positive integer.
Further, the son in each subspace of display panel described in the Weight Acquisition based on data bit where each data bit Display cycle includes: that the low bit of all subspaces of corresponding the first row is arranged first within the display cycle of a frame The initial position of a subframe, and set remaining each data bit of all subspaces of corresponding the first row according to the weight of each data bit It sets within the corresponding sub- display cycle；
Within the display cycle of a frame, by the data bit of all subspaces of corresponding+1 row of jth relative to corresponding jth row The identical data position of all subspaces shifts identical sub- display cycle number respectively；Wherein, j is positive integer.
Further, scanning sequence is obtained and according to the scanning sequence to the display panel according to the corresponding relationship There is provided scanning signal includes:
The subspace number that each data bit successively occurs is obtained according to the time shaft in the corresponding relationship, and according to described The appearance sequence of subspace number obtains the scanning sequence；
The scan line for corresponding to row in the display panel is selected to export the scanning signal according to the scanning sequence.
Further, carrying out data recombination to each row of data includes:
Obtain the data of every row；
Identical data position in data line is formed into the number after n recombination according to the combination that puts in order of data line According to；Wherein, the digit of the data after each recombination is equal to effective col width in the display panel.
Further, providing data-signal to the display panel according to the data after recombination includes:
By the data after n recombination, step-by-step is sequentially output the pieces of data into a line within the corresponding sub- display cycle Line.
Further, include: by the m sub- display cycles of display cycle division of a frame
When the number of lines of pixels of display panel is greater than (a-1) (2n- 1) and it is less than or equal to a (2n- 1) when, by the aobvious of a frame Show that the period is divided into an (2n- 1) a sub- display cycle；Wherein, a is positive integer.
Second aspect, the embodiment of the invention also provides a kind of driving devices of display panel, comprising:
Time division module, the time division module are used to a frame being divided into n subframe, and by the display cycle of a frame It is divided into m sub- display cycles；Wherein, n is the data bits that the display panel need to be shown, m is equal to n (2n- 1) integer Times；
Space partitioning module, the space partitioning module are used to the display panel being divided into multiple sub-spaces；Its In, the subspace number is greater than the line number of the display panel, and it is empty that at least a line in the display panel corresponds to the i sons Between be arranged, i is integer greater than 1；
Subframe distribution module, the subframe distribution module are used for the weight based on data bit for the initial position of each subframe It is set in the corresponding sub- display cycle；
Relation acquisition module, the Relation acquisition module are each for display panel described in the Weight Acquisition based on data bit The sub- display cycle in subspace where each data bit, with acquisition time, subspace number, line number pass corresponding with each data bit System；Wherein, in the display cycle of a frame, the identical data position that do not go together shifts step by step according to the line number；
Scan driver module, the scan driver module are used to obtain scanning sequence according to the corresponding relationship and according to institute It states scanning sequence and provides scanning signal to the display panel；
Data-driven module, the data-driven module be used for each row of data carry out data recombination and according to recombination after Data provide data-signal to the display panel to drive the display panel to be shown.
The third aspect, the embodiment of the invention also provides a kind of display device, including display panel and such as claim 9 institute The driving device for the display panel stated, the display panel are electrically connected with the driving device, described in the driving device output Scanning signal and the data-signal are to the display panel, and the display panel is according to receiving the scanning signal and described Data-signal drives the luminescent device in the display panel to shine.
The embodiment of the invention provides a kind of driving method of display panel and its driving device, display device, setting is aobvious The driving method for showing panel includes a frame being divided into n subframe, and the display cycle of a frame is divided into m son display week Phase, n are the data bits that display panel need to be shown, m is equal to n (2n- 1) integral multiple；Display panel is divided into multiple Subspace, subspace number are greater than the line number of display panel, and at least a line in display panel corresponds to the setting of i sub-spaces, and i is big In 1 integer；The initial position of each subframe was set in the corresponding sub- display cycle based on the weight of data bit；Based on number According to each data bit in each subspace of the Weight Acquisition display panel of position within the display cycle of a frame where the sub- display cycle, With acquisition time, subspace number, line number and each data bit corresponding relationship, in the display cycle of a frame, the identical number do not gone together It is shifted step by step according to position according to line number；Scanning sequence is obtained according to corresponding relationship and provides scanning to display panel according to scanning sequence Signal；Data recombination is carried out to each row of data and provides data-signal to display panel according to the data after recombination to drive display Panel is shown, in this way while realizing the data-driven to display panel, increases the sweep time of each data bit, The partially dark problem of display image is improved, the resolution ratio for improving display panel is conducive to.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the driving method of display panel provided in an embodiment of the present invention；
Fig. 3 is the driver' s timing figure of display panel in an a kind of frame provided in an embodiment of the present invention；
Fig. 4 is the driver' s timing figure of display panel in a kind of two frame provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram for data reconstitution method that inventive embodiments provide；
Fig. 6 is the driver' s timing figure of display panel in an another frame provided in an embodiment of the present invention；
Fig. 7 is the driver' s timing figure of display panel in an another frame provided in an embodiment of the present invention；
Fig. 8 provides the driver' s timing figure of display panel in another frame in ground for the embodiment of the present invention；
Fig. 9 is the driver' s timing figure of display panel in an another frame provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of the driving device of display panel 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 background technique, with the raising to brush frame per second and display gray scale requirement, traditional scanning algorithm can not fit With the concept of subfield starts to be used in various digital drive algorithms, the sweep time of currently used subfield scanning algorithm Deficiency, and then cause data storage insufficient, display image is partially dark, it makes a concrete analysis of as follows:
The number of lines of pixels in sweep time and display panel in currently used subfield scanning algorithm is in inverse relation, i.e., Display line number in display panel is more, and sweep time is smaller, the picture with the raising of display panel resolution ratio, in display panel Plain line number gradually increases, and it is insufficient to lead to sweep time, and then causes data storage insufficient, the partially dark problem of display image.
In view of this, what display panel included shines the embodiment of the invention provides a kind of driving method of display panel Device can be micro- light emitting diode (Micro Light Emitting Diode, micro-LED/ μ LED) or organic light emission two The luminescent devices such as pole pipe (Organic Light-Emitting Diode, OLED).
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention.As shown in Figure 1, display panel packet Sequence controller 1, data processor 2, line-scan circuit 3 and column scan circuit 4 are included, further includes multi-strip scanning line 5, a plurality of data Line 6 and multiple pixel-driving circuits 7, pixel-driving circuit are located in the space that scan line is intersected to form with data line, display surface The specific workflow of plate is:
Data flow to be shown enters data processor 2, sequence controller 1, such as can be FPGA (Field Programmable Gate Array, field programmable gate array) or other timing control devices, according to the scanning of setting Algorithm generates scanning signal with timing needed for being supplied to line-scan circuit 3 and providing data processing for data processor 2, so Data-signal is obtained by data processor 2 afterwards and is transferred to column scan circuit 4.Scanning signal by line-scan circuit 3 is Scan-tft, scan-tft are connected to the grid of the transistor T1 in pixel-driving circuit 7, similarly through column scan circuit 4 Data-signal data-tft is connected to the source electrode of transistor T1 in pixel-driving circuit 7.The workflow of pixel-driving circuit 7 Are as follows: data are first loaded into data-tft, and scan-tft signal becomes useful signal, transistor T1 conducting, data-tft load To transistor T2 grid and to capacitor CS charge and discharge, after the voltage on capacitor CS reaches the threshold voltage vt h of transistor T2, Luminescent device LD starts to shine, and after waiting past sweep times, transistor T1 is closed, and the voltage stored on capacitor CS ensures to shine Device LD continues to shine, until the data-tft of signal is again introduced into change the luminance of luminescent device LD, transistor T1 It for example can be the transistor of p-type with transistor T2.When data-signal is digital signal, the digit of data-signal is corresponding to shine The gray number that device LD can be shown, data-signal are realized by the duration of control luminescent device LD to luminescent device light emission luminance Adjusting, the luminous duration of the i.e. corresponding luminescent device LD of the weighting of data-signal digit, and then realize and shine to luminescent device LD The adjusting of brightness.
The embodiment of the invention provides a kind of driving methods of display panel, can be by the display surface of the embodiment of the present invention The driving device of plate executes, and Fig. 2 is a kind of flow chart of the driving method of display panel provided in an embodiment of the present invention.Such as Fig. 2 Shown, the driving method of display panel includes:
S101, a frame is divided into n subframe, and the display cycle of a frame is divided into m sub- display cycles；Wherein, n For the data bits that display panel need to be shown, m is equal to n (2n- 1) integral multiple.
Fig. 3 is the driver' s timing figure of display panel in an a kind of frame provided in an embodiment of the present invention.As shown in figure 3, by one Frame SF is divided into n subframe, and by taking display panel need to show 16 grayscale as an example, the data bits n that display panel need to be shown is equal to 4, A frame SF is then divided into 4 subframes, such as is divided into SF1 subframe, SF2 subframe, SF3 subframe and SF4 subframe.
The display cycle TF of one frame is divided into m sub- display cycle ST, m is equal to n (2n- 1) integral multiple, with n etc. For 4, m is then 60 integral multiple, and Fig. 3 is illustratively arranged m equal to 60, i.e., the display cycle TF of a frame SF is divided into 60 A sub- display cycle ST.As shown in Fig. 2, sub- display cycle ST meets following calculation formula:
S102, display panel is divided into multiple sub-spaces；Wherein, subspace number is greater than the line number of display panel, shows Show that at least a line in panel corresponds to the setting of i sub-spaces, i is the integer greater than 1.
Specifically, the unit that a certain number of pixels are formed in display panel is subspace, and the scanning of display panel is suitable Sequence rotation between each sub-spaces, it is possible to understand that subspace is the physics list in the line-scan circuit in corresponding display panel Member, physical unit for example can be multiple selector, and the corresponding multiple selector of every sub-spaces is selected by multiple selector Lead to corresponding subspace to be scanned with the pixel to corresponding line in display panel, be gated by transformation multiple selector corresponding Subspace is scanned with the pixel to corresponding line in display panel.
Specifically, display panel is divided into multiple subspaces, subspace number is greater than the line number of display panel, display panel In at least a line correspond to i sub-spaces setting, Fig. 3 be illustratively arranged display panel include eight row pixels, by display panel It is divided into 16 sub-spaces.In addition, at least a line corresponds to multiple subspaces and sets since subspace number is greater than the line number of display panel It sets, the corresponding two sub-spaces setting of the every row being illustratively arranged in display panel here, i.e. i is equal to 2.
It should be noted that the embodiment of the present invention is not construed as limiting to display panel to be specifically divided into several sub-spaces, really Protect the line number that subspace number is greater than display panel.In addition, the corresponding son of every row that display panel is illustratively arranged in Fig. 3 is empty Between number evenly distribute, specific subspace number corresponding to a line of display panel of the embodiment of the present invention is not construed as limiting, to correspondence it is more Whether the subspace number that the row of sub-spaces setting is included is identical to be also not construed as limiting, i.e., there may be corresponding two in display panel The row of sub-spaces can also exist simultaneously the row of corresponding three sub-spaces, it is ensured that at least a line in display panel corresponds to i Subspace setting.
S103, the initial position of each subframe was set in the corresponding sub- display cycle based on the weight of data bit.
Specifically, the initial position of each subframe is set to by corresponding sub- display cycle ST based on the weight of data bit It is interior, by taking data bits n that display panel need to be shown is equal to 4 as an example, then be followed successively by 1 by the weight of low bit to high data bit, 2,4,8.Cycle T F when the display of one frame SF can be in turn divided into n period, the sub- display cycle that n period includes Number is corresponding in turn to low bit to the weight of high data bit, i.e., the display cycle TF of a frame SF is in turn divided into 4 periods, The sub- display cycle number that 4 periods include is corresponding in turn to low bit to the weight of high data bit, that is, be corresponding in turn to 1,2,4, 8, such as first time period t 1 of setting includes 4 sub- display cycle ST, second time period t 2 includes 8 sub- display cycles ST, third time period t 3 include 16 sub- display cycle ST, and the 4th time period t 4 includes 32 sub- display cycle ST, and four The sub- display cycle number that period includes changes according to 1,2,4,8 equal proportion of weight of low bit to high data bit.
Using first sub- display cycle ST in each period as the initial position of each subframe, i.e., by first when Between initial position of first sub- display cycle ST as subframe SF1 in section t1, by first in second time period t 2 Initial position of the sub- display cycle ST as subframe SF2, using first sub- display cycle ST in third time period t 3 as The initial position of subframe SF3, using first sub- display cycle ST in the 4th time period t 4 as the start bit of subframe SF4 It sets, in this way, the weight according to data bit marks off the distribution that 4 subframes come have carried out corresponding sub- display cycle ST to a frame, So that the sub- display cycle number that each subframe is included corresponds to the weight of data bit.
S104, Weight Acquisition display panel based on data bit each subspace in each data bit a frame display cycle The sub- display cycle at interior place, with acquisition time, subspace number, line number and each data bit corresponding relationship；Wherein, a frame is aobvious Show in the period, the identical data position that do not go together shifts step by step according to line number.
Specifically, display week of each data bit in a frame in each subspace of the Weight Acquisition display panel based on data bit The number 1 to 16 of the leftmost side indicates the subspace number of display panel, to be located in Fig. 3 in sub- display cycle ST where in phase, Fig. 3 1 to 8 on the right side of subspace number indicates the number of lines of pixels in display panel.
A line of corresponding i sub-spaces chooses i-1 sub-spaces and is not provided with data bit, as shown in figure 3, illustratively setting Corresponding two sub-spaces of every row are set, i.e. i is equal to 2, then one sub-spaces of every row selection can be set and be not provided with data bit, Fig. 3 shows It every row is set to example property chooses the second sub-spaces and be not provided with data bit, be not provided with data bit of the embodiment of the present invention to selection Subspace putting in order in corresponding row is not construed as limiting, i.e., the first sub-spaces that can also choose every row are not provided with data Position, or part row choose the first sub-spaces and are not provided with data bit, and part row chooses the second sub-spaces and is not provided with data bit.
Within the display cycle of a frame, the low bit setting of the subspace of the need setting data bit of corresponding the first row is existed The initial position of first subframe the low bit A of the first sub-spaces of corresponding the first row is arranged in first subframe The initial position of SF1, i.e., the first son low bit A of the first sub-spaces of the first row being arranged in subframe SF1 are shown Show in period ST, and according to the weight of each data bit will corresponding the first row need setting data bit subspace remaining each data Position was arranged within the corresponding sub- display cycle, i.e., the weight of secondary low bit is 2, therefore the first sub-spaces of the first row are arranged Secondary low bit B where sub- display cycle ST and the first row the first sub-spaces low bit A where son show The period ST display cycle ST in 4, interval；The weight of secondary high data bit is 4, therefore the first sub-spaces of the first row are set Son display where the secondary low bit B of the first sub-spaces of sub- display cycle ST and the first row where secondary high data bit C The period ST display cycle ST in 8, interval；The weight of high data bit is 8, therefore the height of the first sub-spaces of the first row is arranged The sub- display cycle where time high data bit C of first sub-spaces of the sub- display cycle ST where data bit D and the first row The sub- display cycle ST in 16, the interval ST, i.e. sub- display cycle where the front and back adjacent data position of the first sub-spaces of the first row The sub- display cycle number being spaced between ST corresponds to the weight equal proportion variation of corresponding data bit.
For the data bit of remaining row, within the display cycle of a frame, by the son of the need setting data bit of corresponding+1 row of jth The data bit in space shifts identical son relative to the identical data position of the subspace of the need setting data bit of corresponding jth row respectively Display cycle number, j are positive integer, i.e., within a frame display cycle, the data bit of first sub-spaces of rear a line is relative to preceding The identical data position of first sub-spaces of a line shifts identical sub- display cycle number respectively.Illustratively, the of rear a line Identical sub- display week of the data bit of one sub-spaces relative to the identical data bit shift of the first sub-spaces of previous row Issue can be greater than n, that is, be greater than the data bits shown needed for display panel, that is, the first of a line after being greater than in 4, such as Fig. 3 The data bit A of sub-spaces is A rearward displacement 8 sub- display cycle ST relative to the data of the first sub-spaces of previous row, Likewise, data bit B, data bit C and the data bit D of first sub-spaces of rear a line are empty relative to first son of previous row Between data bit B, data bit C and data bit D distinguish rearward displacement 8 sub- display cycle ST, it is to be understood that the 5th row The data bit D of the first sub-spaces can be understood as the data bit D rearward displacement 8 relative to the first sub-spaces of the 4th row A sub- display cycle ST, due to the limitation of a frame display cycle, the data bit D of the first sub-spaces of the 5th row is in shown in Fig. 3 Position, likewise, the data bit B of the first sub-spaces of the data bit C and eighth row of the first sub-spaces of the 7th row To be interpreted as the sub- display cycle ST of identical data position rearward displacement 8 of the first sub-spaces of previous row.
In this way, the sub- display cycle in each subspace of the Weight Acquisition display panel based on data bit where each data bit Afterwards, then can obtain the time as shown in Figure 3, subspace number, line number and each data bit corresponding relationship, laterally indicate in Fig. 3 Time, the leftmost side it is longitudinal 1 in 16 indicate subspaces number, longitudinal 1 to 8 indicates line number on the right side of subspace number, ABCD points Low bit is not represented to four data bit of high data bit.
Specifically, the sub- display cycle ST for being provided with data bit is the scan period, is not provided with data bit after the data bit Sub- display cycle ST be hold period, such as low bit A where sub- display cycle ST be low bit A scanning week Phase, four sub- display cycle ST after the scan period of low bit A are the hold period of low bit A, in the scan period Scanning signal is persistently provided, luminescent device adjusts luminance according to the data received in the scan period, after the scan period Hold period in luminescent device maintain the luminance in the scan period, it is in this way that the son of the need of the first row setting data bit is empty Between low bit the initial position of first subframe is set, and the need of the first row are arranged by number according to the weight of each data bit It is arranged according to remaining each data bit of the subspace of position in the corresponding sub- display cycle, for the data bit of remaining row, in a frame In display cycle, data bit is arranged relative to the need of jth row in the data bit of the subspace of the need setting data bit of+1 row of jth The identical data position of subspace shifts identical sub- display cycle number respectively, and the retention time corresponds to the weight of each data bit, and protects The luminance in the time in the luminescent device maintenance scan period is held, realizes adding for each data bit using the retention time in this way Power, and then realized according to the weighted value of each data bit to the control of the luminous duration of the difference of luminescent device in display panel, it realizes To the digital drive of display panel.
Fig. 4 is the driver' s timing figure of display panel in a kind of two frame provided in an embodiment of the present invention.It can be with by Fig. 3 and Fig. 4 Find out, be arranged in the display cycle of a frame, by the low bit A setting of the subspace of the need of the first row setting data bit the The initial position of one subframe SF1, and according to the weight of each data bit by the subspace of the need of the first row setting data bit its Remaining each data bit setting is in corresponding sub- display cycle ST, by the data bit phase of the subspace of the need setting data bit of+1 row of jth Identical sub- display cycle number is shifted respectively for the identical data position of the subspace of the need setting data bit of jth row, so that There is no the row for completely embodying all data bit to embody the data bit of former frame missing by same a line in a later frame in former frame, And then Time-Dependent, that is, the quantity for relying on the sub- display cycle realize the weighting of all data bit, such as the in former frame the 5th First son that data bit A, data bit B and the data bit C of the first capable sub-spaces have borrowed the fifth line in a later frame is empty Between data bit D, and then realize each data bit of fifth line weighting.
It should be noted that the time is exemplarily only arranged in two frames in Fig. 4, subspace number, line number and data are is corresponding Relationship is identical, i.e., the regularity of distribution phase of not set data bit and the subspace for being provided with data bit in two frames is illustratively arranged Together, the first sub-spaces for being respectively provided with every row are provided with data bit, the not set data bit of the second sub-spaces, the embodiment of the present invention It is whether identical to the regularity of distribution of subspace in different frame to be not construed as limiting, the son that data bit is provided in different frame also can be set Space is different with the regularity of distribution of the subspace of not set data bit.
S105, scanning sequence is obtained according to corresponding relationship and provides scanning signal to display panel according to scanning sequence.
It is alternatively possible to the subspace number that each data bit successively occurs is obtained according to the time shaft in corresponding relationship, and Scanning sequence is obtained according to the appearance of subspace number sequence, selects the scan line for corresponding to row in display panel defeated according to scanning sequence Scanning signal out.
Specifically, in conjunction with Fig. 1 and Fig. 3, referring to time shown in Fig. 3, subspace number, line number pass corresponding with each data bit System obtains scanning sequence, obtains the subspace number that each data bit successively occurs according to the time shaft in corresponding relationship, such as join According to the time shaft in Fig. 3, the subspace number that data bit successively occurs is 1-> 15-> 13-> 9-> 1-> 3......, then may be used To determine that the scanning sequence got for 1-> 15-> 13-> 9-> 1-> 3......, is shown in conjunction with each height in Fig. 3 The setting of period ST gates corresponding subspace according to scanning sequence to select the scan line for corresponding to row in display panel output to sweep Signal is retouched to be scanned to the row, such as gates the first sub-spaces, scans the first row within first sub- display cycle, is closed The second sub-spaces are closed, the second sub-spaces are failure to actuate within first sub- display cycle, i.e., without the scanning of pixel, then The 15th sub-spaces are gated, the 8th row is scanned within second sub- display cycle, the 16th sub-spaces are closed, at second The 16th sub-spaces are failure to actuate in the sub- display cycle, then gate the 13rd sub-spaces, within the third sub- display cycle The 7th row is scanned, the 14th sub-spaces are closed, the 14th sub-spaces are failure to actuate within the third sub- display cycle, subsequent to sweep It retouches the scan line according to above-mentioned rule in corresponding subspace selection corresponding line and exports scanning signal to be scanned to the row.
In this way, being scanned using above-mentioned scanning sequence, in the feeding sequence gating respective subspace according to each data bit With the transmission to corresponding traveling line scan signals, and then ensure that each data bit can be sent into corresponding line according to above-mentioned corresponding relationship In pixel while so that during the scanning process there is no in same sub- display cycle ST occur two data bit simultaneously need The case where being sent into is not in while scanning the situations of two rows or two rows or more, avoid in that is, same sub- display cycle ST Identical data are sent into the pixel that do not go together in the same time, it is ensured that display panel realizes normal display function.In addition, root Display panel is scanned according to corresponding relationship shown in Fig. 3, has in the subspace of half and does not act, that is, has the son of half empty The interior scanning without pixel advantageously reduces scanning time in a frame while realizing the digital drive to display panel Number, and then reduce the power consumption of display panel.
S106, to each row of data carry out data recombination and according to the data after recombination to display panel provide data-signal with Driving display panel is shown.
It is alternatively possible to first obtain the data of every row, then by the identical data position in data line according to data line The combination that puts in order forms the data after n recombination, and the digit of the data after each recombination is equal to effective column in display panel It is wide.
Fig. 5 is a kind of schematic diagram for data reconstitution method that inventive embodiments provide.In conjunction with Fig. 1 to Fig. 5, every row is obtained Data, that is, obtain the corresponding data of each pixel in every row, the data line of acquisition for example can for 1010,1101,0101, 0010,1100......, i.e., illustratively provide the data of first five pixel in corresponding a line, and the digit of each data is 4 The display of 16 grayscale may be implemented in position, display panel.Identical data position in data line is suitable according to the arrangement of data line Sequence combines the data after forming n recombination, i.e., is grouped the data in data line in turn according to low bit to high data bit Data after forming n recombination, by taking data 1010 as an example, low bit is last position 0, and high data bit is first 1, the two The weight of the data of representative is respectively 1 and 8, then the low bit of all data of a line can be formed to data A, A after recombination Low bit as in all data of a line is rearranged according to pixel putting in order in a row, referring to above-mentioned example The data line of act, A are then 01100......, similarly, by the number after the secondary low bit composition recombination in all data of a line It is secondary low bit in all data of a line according to B, B to rearrange according to pixel putting in order in a row, reference Enumerated data line, B are then 10010......, by time high set of data bits in all data of a line at recombination after Data C, C are that time high data bit of all data of a line is rearranged according to pixel putting in order in a row, reference Enumerated data line, C are then 01101......, after the maximum data position composition recombination in all data of a line Data D, D are that the maximum data position of all data of a line is rearranged according to pixel putting in order in a row, reference The data of enumerated a line, D are then 11001......In this way, the digit of the data after each recombination is equal to display panel In effective col width, the columns for the pixel that display panel includes is effective col width of display panel, i.e., display panel include it is more Few column pixel, data A, data B, data C and data D just include how many data.
Optionally, data-signal is provided to display panel according to the data after recombination, by the data after n recombination in correspondence The sub- display cycle in step-by-step be sequentially output the pieces of data line into a line.It specifically, can be before in conjunction with Fig. 1 to Fig. 5 The scanning sequence that face obtains determines the timing of scanning signal and data-signal output, can gate corresponding subspace by sweeping The scanning signal for retouching line output selects certain a line (such as to select the transistor T1 in the pixel-driving circuit of each pixel of the row It is logical, such as the current potential on the horizontal scanning line is dragged down, the current potential of the scan line of remaining row is drawn high, here with pixel-driving circuit In transistor be P-type transistor for), a data addition without carry in n data after recombination is downloaded to pieces of data On line, since the T1 pipe of only selected row is open, data can just be stored on the storage capacitance CS in pixel-driving circuit, After waiting a sub- display cycle ST, the corresponding scanning signal of this journey is drawn high, voltage can still keep ensuring the bright of luminescent device or It goes out, changes the luminance of luminescent device after this journey is selected again, has new data to be written.
With n data instance after the aforementioned recombination enumerated, after column scan circuit can recombinate in a frame according to n Data are respectively to data line D1 to Dm outputting data signals, by taking the pixel of the first row as an example:
In first sub- display cycle ST, the first sub-spaces are gated, are included by the data A after recombination 01100...... each pixel in the first row is sent on a ground, i.e. the first data line is sent into 0, Article 2 data line It is sent into 1, Article 3 data line is sent into 1, and Article 4 data line is sent into 0, and Article 5 data line is sent into 0, and aobvious using first son Show that period ST subsequent four sub- display cycle ST realize the weighting of the data A after the recombination of corresponding low bit, weighted value is 1, first sub- display cycle ST are sweep time, and subsequent four sub- display cycle ST are the retention time.
In the 6th sub- display cycle ST, the first sub-spaces are gated, are included by the data B after recombination 10010...... each pixel in the first row is sent on a ground, i.e. the first data line is sent into 1, Article 2 data line It is sent into 0, Article 3 data line is sent into 0, and Article 4 data line is sent into 1, and Article 5 data line is sent into 0, and aobvious using the 5th son Show that period ST subsequent eight sub- display cycle ST realize the weighting of the data B after the recombination of corresponding low bit, weighted value It is 2, the 6th sub- display cycle ST is sweep time, and subsequent eight sub- display cycle ST are the retention time.
In the 15th sub- display cycle ST, the first sub-spaces are gated, are included by the data C after recombination 01101...... each pixel in the first row is sent on a ground, i.e. the first data line is sent into 0, Article 2 data line It is sent into 1, Article 3 data line is sent into 1, and Article 4 data line is sent into 0, and Article 5 data line is sent into 1, and aobvious using the 15th son Show that period ST subsequent 16 sub- display cycle ST realize the weighting of the data C after the recombination of corresponding high data bit, weighting Value be the 4, the 15th sub- display cycle ST is sweep time, and subsequent is 61 sub- display cycle ST for the retention time.
In the 32nd sub- display cycle ST, the first sub-spaces are gated, are included by the data D after recombination 11001..... each pixel in the first row is sent on a ground, i.e. the first data line is sent into 1, and Article 2 data line is sent Enter 1, Article 3 data line is sent into 0, and Article 4 data line is sent into 0, and Article 5 data line is sent into 1, and utilizes the 32nd son Display cycle ST subsequent 32 sub- display cycle ST realize the weighting of the data D after the recombination of corresponding high data bit, add Weight is that the 8, the 32nd sub- display cycle ST is sweep time, and subsequent 32 sub- display cycle ST are when keeping Between.
In this way, the quantity for the sub- display cycle ST that the data dependence retention time of different data bits is included in each data The weighting of corresponding data position is realized, and then realizes the adjusting to the fluorescent lifetime for corresponding to luminescent device in display panel, into And adjust the light emission luminance of luminescent device.
Referring to the corresponding relationship of time shown in Fig. 3, subspace number, line number and data bit, then first to gate first Data A after recombination is included by subspace in first sub- display cycle ST to gate the first row by scan line 01100...... each pixel in the first row is sent on a ground, closes the second sub-spaces, i.e., first son display week The second sub-spaces are failure to actuate in phase, gate the 15th sub-spaces in subsequent period to gate the 8th row, In by scan line In second sub- display cycle ST, data 10010...... mono- one the 8th row is sent into for what the data B after recombination included In each pixel, close the 16th sub-spaces, i.e., the 16th sub-spaces are failure to actuate in the second sub- display cycle, next Period gates the 13rd sub-spaces to gate the 7th row by scan line, in the sub- display cycle ST of third, after recombination The ground 01101...... mono- that includes data C be sent into each pixel in the 7th row, close the 14th sub-spaces, The 14th sub-spaces are failure to actuate in i.e. second sub- display cycle, gate the 9th sub-spaces in subsequent period to pass through scan line Gate fifth line, in the 4th sub- display cycle ST, mono- ground 11001...... for including by the data D after recombination The each pixel being sent into fifth line closes the tenth sub-spaces, i.e., the tenth sub-spaces are failure to actuate in the second sub- display cycle, And so on, to drive display panel to be shown.
In this way, the embodiment of the present invention realizes the digital drive to display panel, when m is equal to n (2n- 1) when, each data A length of son is shown in period ST when the scanning of position, and sub- display cycle ST is unrelated with the line number of display panel, is conducive to increase each number According to the sweep time of position, improve sweep time it is insufficient caused by data store insufficient and then caused display image be partially dark and ask Topic is conducive to the resolution ratio for improving display panel, and the calculating of sweep time can eliminate line variable, advantageously reduce driving The complexity of chip algorithm.In addition, data-signal is provided to after each row of data progress data recombination and according to the data after recombination, It can accomplish to read to use, avoid data read time to the occupancy of sweep time, be conducive to further increase each data bit Sweep time.
In addition, although the scanning sequence of display panel is jump from scan line sequence, for identical data For position, the scanning of adjacent identical data position, rear time scan line is still bigger by 1 than previous scan row, it is contemplated that line number circulation, first Row is the next line of last line again, therefore for identical data bit, scanning sequence still rule variation, compatible aobvious at present Show multistage GOA (Gate On Array) circuit in panel.And it is as shown in figure 3, dynamic without generating within many sub- display cycles Make, the scan frequency of display panel is advantageously reduced, to reduce the power consumption of display panel.
Fig. 6 is the driver' s timing figure of display panel in an another frame provided in an embodiment of the present invention.It is shown with shown in Fig. 3 Unlike the driver' s timing for showing panel, the driver' s timing of display panel shown in fig. 6 is aobvious in the Weight Acquisition based on data bit When showing the sub- display cycle in each subspace of panel where each data bit, within the display cycle of a frame, by corresponding the first row The low bits of all subspaces the initial position of first subframe is set, and will corresponding the according to the weight of each data bit Each data bit of remaining of all subspaces of a line was arranged within the corresponding sub- display cycle, i.e., by first of corresponding the first row The low bit A of subspace and the second sub-spaces is arranged at the initial position of first subframe SF1, i.e., by the of the first row The low bit A of one sub-spaces and the second subspace is arranged in first sub- display cycle ST in subframe SF1, and root Remaining each data bit of all subspaces of corresponding the first row was arranged in the corresponding sub- display cycle according to the weight of each data bit Interior, i.e., the weight of secondary low bit is 2, therefore the first sub-spaces of the first row and time low data of the second sub-spaces are arranged The son where the first sub-spaces of sub- display cycle ST and the first row and the low bit A of the second sub-spaces where the B of position The display cycle ST display cycle ST in 4, interval；The weight of secondary high data bit is 4, therefore first son that the first row is arranged is empty Between and time high data bit C of the second sub-spaces where sub- display cycle ST and the first row the first sub-spaces and second The sub- display cycle ST in 8, the interval sub- display cycle ST where the secondary low bit B of subspace；The weight of high data bit is 8, because This setting the first row the first sub-spaces and the second sub-spaces high data bit D where sub- display cycle ST and the first row The first sub-spaces and the second sub-spaces time high data bit C where 16 sub- display cycles of the interval sub- display cycle ST Between sub- display cycle ST where the front and back adjacent data position of ST, i.e. the first sub-spaces of the first row and the second sub-spaces The sub- display cycle number at interval corresponds to the weight equal proportion variation of corresponding data bit.
For the data bit of remaining row, within the display cycle of a frame, by the data of all subspaces of corresponding+1 row of jth Position shifts identical sub- display cycle number relative to the identical data position of all subspaces of corresponding jth row respectively；Wherein, j is Positive integer, i.e., within a frame display cycle, first sub-spaces of rear a line and the data bit of the second sub-spaces are relative to preceding First sub-spaces of a line and the identical data position of the second sub-spaces shift identical sub- display cycle number respectively.It is exemplary Ground, first sub-spaces of rear a line and the data bit of the second sub-spaces are relative to the first sub-spaces of previous row and second The identical sub- display cycle number of the identical data bit shift of sub-spaces can be greater than n, that is, be greater than display needed for display panel Data bits, that is, be greater than 4, such as Fig. 6 in after a line the first sub-spaces and the second sub-spaces data bit A relative to First sub-spaces of previous row and the data of the second sub-spaces are A rearward displacement 8 sub- display cycle ST, likewise, after First sub-spaces of a line and the data bit B, data bit C and data bit D of the second sub-spaces relative to previous row first The data bit B of sub-spaces and the second sub-spaces, data bit C and data bit D distinguish 8 sub- display cycles of rearward displacement ST, it is to be understood that the first sub-spaces of the 5th row and the data bit D of the second sub-spaces can be understood as relative to the 4th The sub- display cycle ST of data bit D rearward displacement 8 of capable the first sub-spaces and the second sub-spaces, since a frame shows week The limitation of phase, the first sub-spaces of the 5th row and the data bit D of the second sub-spaces are in position shown in Fig. 6, likewise, the 7th Capable the data bit C of the first sub-spaces and the second sub-spaces and the first sub-spaces of eighth row and the second sub-spaces Data bit B can be understood as the first sub-spaces of previous row and the identical data position rearward displacement 8 of the second sub-spaces A sub- display cycle ST.
Likewise, the son display week in each subspace of the Weight Acquisition display panel based on data bit where each data bit After phase, can obtain time as shown in FIG. 6, subspace number, line number and each data bit corresponding relationship, laterally indicate in Fig. 6 Time, the leftmost side it is longitudinal 1 in 16 indicate subspaces number, longitudinal 1 to 8 indicates line number on the right side of subspace number, ABCD points Low bit is not represented to four data bit of high data bit.
As shown in fig. 6, can obtain what each data bit successively occurred with the time shaft in corresponding relationship according to figure 6 Subspace number, and scanning sequence is obtained according to the appearance of subspace number sequence, it is selected according to scanning sequence corresponding in display panel Capable scan line exports scanning signal.
Specifically, in conjunction with Fig. 1 and Fig. 6, referring to time shown in fig. 6, subspace number, line number pass corresponding with each data bit System obtains scanning sequence, obtains the subspace number that each data bit successively occurs according to the time shaft in corresponding relationship, such as join According to the time shaft in Fig. 6, subspace number that data bit successively occurs is 1-> 2-> 15-> 16-> 13-> 14-> 9-> 10-> 1-> 2-> 3-> 4......, then can determine scanning sequence be 1-> 2-> 15-> 16-> 13-> 14-> 9-> 10-> 1-> 2-> 3-> 4...... is gated in conjunction with the setting of each sub- display cycle ST in Fig. 6 according to scanning sequence Corresponding subspace is to select the scan line for corresponding to row in display panel output scanning signal to be scanned to the row, such as selects Logical first sub-spaces, scan the first row within first sub- display cycle, gate the second sub-spaces, in first son display The first row is scanned in period, then gates the 15th sub-spaces, scans the 8th row within second sub- display cycle, gating the 16 sub-spaces scan the 8th row within second sub- display cycle, the 13rd sub-spaces are then gated, in third height The 7th row is scanned in display cycle, gates the 14th sub-spaces, and the 7th row is scanned within the third sub- display cycle, it is subsequent to sweep It retouches the scan line according to above-mentioned rule in corresponding subspace selection corresponding line and exports scanning signal to be scanned to the row.
In this way, being scanned using above-mentioned scanning sequence, in the feeding sequence gating respective subspace according to each data bit With the transmission to corresponding traveling line scan signals, and then ensure that each data bit can be sent into corresponding line according to above-mentioned corresponding relationship In pixel while so that during the scanning process there is no in same sub- display cycle ST occur two data bit simultaneously need The case where being sent into is not in while scanning the situations of two rows or two rows or more, avoid in that is, same sub- display cycle ST Identical data are sent into the pixel that do not go together in the same time, it is ensured that display panel realizes normal display function.In addition, knot Fig. 1 and Fig. 6 is closed, corresponding relationship according to figure 6 is scanned display panel, and every a line is in the son where each data bit It has been scanned the electric leakage degree that can be effectively reduced storage capacitance CS in pixel-driving circuit 7 twice in display cycle ST, has mentioned The stability of height driving transistor T2 work, and then promote the stability of display panel work.The data of driver' s timing shown in Fig. 6 The feeding mode of recombination and data-signal is identical as driver' s timing shown in Fig. 3, and which is not described herein again.
Fig. 7 is the driver' s timing figure of display panel in an another frame provided in an embodiment of the present invention.Fig. 7 is illustratively set Setting display panel includes 16 sub-spaces, and display panel includes 12 rows, then it is empty can randomly to choose corresponding two sons of certain rows Between, the corresponding sub-spaces of certain rows, scanning sequence can analogy scanning sequence shown in Fig. 3, which is not described herein again, works as display When the subspace number and line number that panel is included are not in multiple proportion, the embodiment of the present invention is to the capable specific corresponding pass with subspace System is not construed as limiting, it is ensured that at least a line corresponds to multiple subspace settings.
Fig. 8 provides the driver' s timing figure of display panel in another frame in ground for the embodiment of the present invention.Fig. 3 is exemplarily only Show i+1 row need setting data bit subspace data bit relative to the i-th row setting data bit subspace Identical data bit shift identical sub- display cycle number be greater than n the case where, Fig. 8 schematically illustrates the identical of displacement Sub- display cycle number is equal to the case where n, as shown in figure 8, by taking the digit n of the data of display needed for display panel is 4 as an example, equally It can each data bit where within the display cycle of a frame in each subspace based on the Weight Acquisition display panel of data bit Sub- display cycle ST, can be within the display cycle of a frame, by the low bit A of the first sub-spaces of the first row setting the The initial position of one subframe SF1, and according to the weight of each data bit by remaining each data of the first sub-spaces of the first row Position is arranged in the corresponding sub- display cycle, for the data bit of remaining row, within the display cycle of a frame, by the need of i+1 row The data bit that the subspace of data bit is arranged is moved respectively relative to the identical data position of the subspace of the need setting data bit of the i-th row The identical sub- display cycle number in position, the identical sub- display cycle number of displacement are equal to n, the i.e. son of the need setting data bit of adjacent rows The identical data bit shift 4 sub- display cycle ST in space, scanning sequence shown in Fig. 8 have with scanning sequence shown in Fig. 3 Identical scanning utilization rate, scanning utilization rate are equal to the ratio of effective scanning number and total scanning times, and effective scanning number can To be obtained according to the sub- display cycle number for being provided with data bit, total scanning times are equal to the sum of sub- display cycle ST in a frame. In addition, Fig. 6 and scanning sequence shown in Fig. 7 also can be set displacement identical sub- display cycle number be equal to n, set-up mode with Fig. 8 is similar, and which is not described herein again.
Optionally, the display cycle of a frame is divided into m sub- display cycle ST, when the number of lines of pixels of display panel is greater than (a-1)·(2n- 1) and it is less than or equal to a (2n- 1) when, the display cycle of a frame is divided into an (2n- 1) height is shown Period ST, a are positive integer.Specifically, in conjunction with Fig. 3 and Fig. 6, display panel includes 8 row pixels, and 2n- 1 is equal to 15, then can be true A is determined equal to 1, i.e., the line number of display panel is greater than 0, is less than or equal to 15, then the display cycle of a frame is divided into an (2n- 1) 60 sub- display cycles, that is, are divided into.As shown in fig. 7, display panel include 12 row pixels, 2n- 1 is equal to 15, then can be true A is determined equal to 1, i.e., the line number of display panel is greater than 0, is less than or equal to 15, then the display cycle of a frame is equally divided into an (2n- 1) 60 sub- display cycles, that is, are divided into.
Fig. 9 is the driver' s timing figure of display panel in an another frame provided in an embodiment of the present invention.As shown in figure 9, aobvious Show that panel includes 30 row pixels, can equally determine that a is equal to 2, is i.e. the line number of display panel is greater than 15, is less than or equal to 30, then will The display cycle of one frame is divided into an (2n- 1) 120 sub- display cycles are divided into, that is, to realize that four subframes are corresponding not With the weighting of data bit, it includes 8 sub- display cycle ST that subframe SF1, which can be set, and subframe SF2 includes 16 sub- display cycles ST, subframe SF3 include 32 sub- display cycle ST, and subframe SF4 includes 64 sub- display cycle ST.
It includes 31 sub-spaces that display panel, which is illustratively arranged, in Fig. 9, selects corresponding two sub-spaces of a line at random, remaining The corresponding sub-spaces of every row, likewise, can each data in each subspace based on the Weight Acquisition display panel of data bit Sub- display cycle ST of the position where within the display cycle of a frame, can be within the display cycle of a frame, by the first of the first row The low bit A of sub-spaces is arranged in the initial position of first subframe SF1, and according to the weight of each data bit by the first row Remaining each data bit of the first sub-spaces be arranged in the corresponding sub- display cycle, for the data bit of remaining row, in a frame Display cycle in, the data bit of i+1 row is shifted into the identical sub- display cycle relative to the identical data position of the i-th row respectively Number, the identical sub- display cycle numerical example of displacement can such as be equal to n, i.e. 4 son display weeks of the identical data bit shift of adjacent rows Phase ST equally can be realized the digital drive to display panel, and can ensure that there is no same sub- displays in scanning process Occur two data bit in period ST and need the case where being sent into simultaneously, i.e., is not in same sub- display cycle ST while scanning Situations more than two rows or two rows avoids that identical data being sent into the pixel that do not go together in the same time, it is ensured that display Panel realizes normal display function.
In addition, the display cycle of a frame is divided into an (2n- 1) a sub- display cycle, i.e., by the display of a frame SF Cycle T F is divided into an (2n- 1) a sub- display cycle ST, sub- display cycle ST meet following calculation formula:
In this way, when m is greater than n (2nIt -1) and is n (2n- 1) when integral multiple, with number of lines of pixels in display panel Increase, ST can equally reduce, but the amplitude and number of lines of pixels and n (2 that ST reducesn- 1) multiple a is in inverse ratio, relative to existing There is the ST of technology and number of lines of pixels is directly in inverse ratio, i.e., a is directly replaced with into number of lines of pixels, is equally beneficial for increasing each data bit Sweep time, improve sweep time it is insufficient caused by data store the partially dark problem of insufficient and then caused display image, Be conducive to improve the resolution ratio of display panel.In addition, the number of lines of pixels increase in display panel makes, Fig. 6 and shown in Fig. 7 sweep Retouch that timing is equally applicable, the specific facilities for data bit which is not described herein again.
Figure 10 is a kind of structural schematic diagram of the driving device of display panel provided in an embodiment of the present invention.Such as Figure 10 institute Show, the driving device of display panel includes that time division module 21, space partitioning module 22, subframe distribution module 23, relationship obtain Modulus block 24, scan driver module 25 and data drive module 26, time division module are used to a frame being divided into n subframe, and The display cycle of one frame is divided into m sub- display cycles；Wherein, n is the data bits that display panel need to be shown, m is equal to n (2n- 1) integral multiple；Space partitioning module is used to display panel being divided into multiple sub-spaces；Wherein, subspace number is greater than The line number of display panel, at least a line in display panel correspond to the setting of i sub-spaces, and i is the integer greater than 1；Subframe distribution The initial position of each subframe is set in the corresponding sub- display cycle by module for the weight based on data bit；Relation acquisition Module is for the sub- display cycle where each data bit in each subspace of the Weight Acquisition display panel based on data bit, to obtain Take the time, subspace number, line number and each data bit corresponding relationship；Wherein, in the display cycle of a frame, the identical number do not gone together It is shifted step by step according to position according to line number；Scan driver module be used for according to corresponding relationship obtain scanning sequence and according to scanning sequence to Display panel provides scanning signal；Data-driven module is used to carry out each row of data data recombination and according to the data after recombination Data-signal is provided to display panel to drive display panel to be shown.
The driving device of display panel provided in an embodiment of the present invention equally can be realized the data-driven to display panel While, increase the sweep time of each data bit, it is insufficient and then caused to improve the storage of data caused by sweep time deficiency It shows the partially dark problem of image, is conducive to the resolution ratio for improving display panel.In addition, to each row of data carry out data recombination after simultaneously Data-signal is provided according to the data after recombination, can accomplish to read to use, avoid data read time to sweep time It occupies, is conducive to the sweep time for further increasing each data bit.
The embodiment of the present invention provides a kind of display device, display device provided in an embodiment of the present invention include display panel and The driving device of the display panel of above-mentioned any embodiment, display panel are electrically connected to the drive, driving device output driving Voltage to display panel, display panel shines according to the luminescent device in the driving voltage driving display panel received, display Device includes the driving device of the display panel of display panel and above-mentioned any embodiment, therefore provided in an embodiment of the present invention aobvious Showing device also has beneficial effect described in above-described embodiment, and details are not described herein again.Illustratively, display device can be Organic light-emitting display device, display device can be mobile phone, or can be the electronic equipments such as computer or wearable device, this hair Bright embodiment is not construed as limiting the concrete form of display device.
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 present invention is not limited to specific embodiments here, be able to carry out for a person skilled in the art it is various it is apparent variation, again Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.

Claims (10)

1. a kind of driving method of display panel characterized by comprising
One frame is divided into n subframe, and the display cycle of a frame is divided into m sub- display cycles；Wherein, n is described aobvious Show that the data bits that panel need to be shown, m are equal to n (2n- 1) integral multiple；
The display panel is divided into multiple sub-spaces；Wherein, the subspace number is greater than the line number of the display panel, At least a line in the display panel corresponds to the i subspace settings, and i is the integer greater than 1；
The initial position of each subframe was set in the corresponding sub- display cycle based on the weight of data bit；
Each data bit institute within the display cycle of a frame in each subspace of display panel described in Weight Acquisition based on data bit The sub- display cycle, with acquisition time, subspace number, line number and each data bit corresponding relationship；Wherein, the display week of a frame In phase, the identical data position that do not go together shifts step by step according to the line number；
Scanning sequence is obtained according to the corresponding relationship and provides scanning signal to the display panel according to the scanning sequence；
Data recombination is carried out to each row of data and provides data-signal to the display panel according to the data after recombination to drive The display panel is shown.
2. driving method according to claim 1, which is characterized in that based on the weight of data bit by the starting of each subframe Position was set in the corresponding sub- display cycle
The display cycle of one frame is in turn divided into n period；Wherein, the sub- display cycle number that the n periods include Be corresponding in turn to low bit to high data bit weight；
Using first sub- display cycle in each period as the initial position of each subframe.
3. driving method according to claim 1, which is characterized in that display panel described in the Weight Acquisition based on data bit Each subspace in sub- display cycle where each data bit include: the corresponding i subspaces a line, choose i-1 it is sub Space is not provided with the data bit；
Within the display cycle of a frame, the low bit of the subspace of the need setting data bit of corresponding the first row is arranged first The initial position of a subframe, and according to the weight of each data bit will corresponding the first row need setting data bit subspace remaining Each data bit was arranged within the corresponding sub- display cycle；
Within the display cycle of a frame, by the data bit of the subspace of the need setting data bit of corresponding+1 row of jth relative to correspondence The identical data position of the subspace of the need setting data bit of jth row shifts identical sub- display cycle number respectively；Wherein, j is positive Integer.
4. driving method according to claim 1, which is characterized in that display panel described in the Weight Acquisition based on data bit Each subspace in sub- display cycle where each data bit include: within the display cycle of a frame, will corresponding the first row institute There is the low bit of subspace that the initial position of first subframe is set, and will corresponding the first row according to the weight of each data bit Remaining each data bit of all subspaces be arranged within the corresponding sub- display cycle；
Within the display cycle of a frame, by the data bit of all subspaces of corresponding+1 row of jth relative to all of corresponding jth row The identical data position of subspace shifts identical sub- display cycle number respectively；Wherein, j is positive integer.
5. driving method according to claim 1, which is characterized in that obtain scanning sequence and root according to the corresponding relationship There is provided scanning signal to the display panel according to the scanning sequence includes:
The subspace number that each data bit successively occurs is obtained according to the time shaft in the corresponding relationship, and empty according to the son Between number appearance sequence obtain the scanning sequence；
The scan line for corresponding to row in the display panel is selected to export the scanning signal according to the scanning sequence.
6. driving method according to claim 1, which is characterized in that carrying out data recombination to each row of data includes:
Obtain the data of every row；
Identical data position in data line is formed into the data after n recombination according to the combination that puts in order of data line；Its In, the digit of the data after each recombination is equal to effective col width in the display panel.
7. driving method according to claim 6, which is characterized in that mentioned according to the data after recombination to the display panel Include: for data-signal
By the data after n recombination, step-by-step is sequentially output the pieces of data line into a line within the corresponding sub- display cycle.
8. driving method according to claim 1, which is characterized in that the display cycle of a frame is divided m son display week Phase includes:
When the number of lines of pixels of display panel is greater than (a-1) (2n- 1) and it is less than or equal to a (2n- 1) when, by the display week of a frame Phase is divided into an (2n- 1) a sub- display cycle；Wherein, a is positive integer.
9. a kind of driving device of display panel characterized by comprising
Time division module, the time division module is used to for a frame being divided into n subframe, and the display cycle of a frame is divided For m sub- display cycles；Wherein, n is the data bits that the display panel need to be shown, m is equal to n (2n- 1) integral multiple；
Space partitioning module, the space partitioning module are used to the display panel being divided into multiple sub-spaces；Wherein, institute The line number that subspace number is greater than the display panel is stated, at least a line in the display panel corresponds to the i subspaces and sets It sets, i is the integer greater than 1；
The initial position of each subframe is arranged for the weight based on data bit for subframe distribution module, the subframe distribution module In in the corresponding sub- display cycle；
Relation acquisition module, each son of the Relation acquisition module for display panel described in the Weight Acquisition based on data bit are empty Between in sub- display cycle where each data bit, with acquisition time, subspace number, line number and each data bit corresponding relationship；Its In, in the display cycle of a frame, the identical data position that do not go together shifts step by step according to the line number；
Scan driver module, the scan driver module are used to obtain scanning sequence according to the corresponding relationship and be swept according to described It retouches order and provides scanning signal to the display panel；
Data-driven module, the data-driven module are used to carry out each row of data data recombination and according to the data after recombination Data-signal is provided to the display panel to drive the display panel to be shown.
10. a kind of display device, which is characterized in that the driving including display panel and display panel as claimed in claim 9 Device, the display panel are electrically connected with the driving device, and the driving device exports the scanning signal and the data Signal is to the display panel, and the display panel is according to receiving the scanning signal and data-signal driving is described aobvious Show that the luminescent device in panel shines.
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