CN107516504A - The driving method of liquid crystal display - Google Patents
The driving method of liquid crystal display Download PDFInfo
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- CN107516504A CN107516504A CN201710970689.4A CN201710970689A CN107516504A CN 107516504 A CN107516504 A CN 107516504A CN 201710970689 A CN201710970689 A CN 201710970689A CN 107516504 A CN107516504 A CN 107516504A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of driving method of liquid crystal display, the liquid crystal display includes the sub-pixel of M rows × N row, and the driving method method includes：Establish the jump in potential value of data wire and the mapping table of its coupling voltage values to public electrode；Each row sub-pixel of the liquid crystal display is driven line by line, judges whether the charging voltage of the data wire occurs saltus step in the i-th row sub-pixel relative to the i-th 1 row sub-pixels；If so, first jump in potential value of the data wire in the i-th row sub-pixel is obtained, and the first coupling voltage values according to corresponding to obtaining the mapping table；Judge whether first coupling voltage values reach more than default coupled voltages threshold value；If so, extend the charging interval of the i-th row sub-pixel；Wherein, M, N are integer more than 1, i=2,3 ..., M.The driving method can improve horizontal crosstalk (H Crosstalk) problem of liquid crystal display.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of driving method of liquid crystal display.
Background technology
With the development of lcd technology, to Thin Film Transistor-LCD (Thin Film Transistor
Liquid Crystal Display, TFT-LCD) in high-resolution, wide viewing angle, high response speed, high aperture etc.
It is required that more and more higher.Meanwhile along with the diminution of Pixel Dimensions, the line spacing in TFT substrate is also less and less, unlike signal line
Between coupling aggravation, when saltus step occurs for a kind of signal, the stability of other signals of periphery may be influenced whether.Cause
This, crosstalk (Crosstalk) be the display of liquid crystal display it is bad in a kind of relatively common phenomenon, it specifically refers to certain
The picture in one region influences whether the picture in other regions, and causes the phenomenon of bad display.According to generation crosstalk not
Same position, vertical crosstalk (Vertical Crosstalk) and horizontal crosstalk (Horizontal Crosstalk) can be divided into.
The reason for causing different types of crosstalk, is also different, it is generally the case that the difference of type of drive will cause
The crosstalk of different macro manifestations.Such as it is possible that wire under the type of drive of frame reversion (Rate Convertion)
Horizontal crosstalk, and under the type of drive of column inversion (Column Convertion) and dot inversion (Dot Convertion), water
The phenomenon of flat crosstalk will be relatively slight.But no matter which kind of type of drive, the true cause for producing crosstalk phenomenon is all consistent
, that is, come from the Capacitance Coupled effect between data wire (Data line) and public electrode (Common Electrode).
For example, during the generation of horizontal crosstalk, when the current potential of data wire changes, will via data wire with
Parasitic capacitance C between public electrodedc, the jump in potential of a moment is formed on public electrode wire.Now, if public electrode
Signal delay is more serious or voltage driving capability deficiency, then its current potential can not just return to presetting current potential quickly, this
Individual jump in potential can pass through storage capacitors CstCoupling drag down cross-pressure in pixel, cause pixel intensity to reduce and form H-
Crosstalk。
Herein, to be arranged vertically (Vertical Alignment, abbreviation VA) display pattern, using the driving of column inversion
Illustrated exemplified by mode display window picture.As depicted in figs. 1 and 2, data wire Data driving voltage has 2/3 time to be
128 GTG current potentials, grey is shown, 1/3 time is 255 GTG current potentials, display white.Jumped in the charging voltage of data wire
The scan line Gate-m (saltus step from low to high) and Gate-n (saltus step from high to low), public electrode Com current potential of change also occur
Corresponding change, public electrode wire Com jump in potential cause the generation of crosstalk.Under normal circumstances, using the driving of column inversion
Mode can improve horizontal crosstalk, but this solution is easily influenceed by processing procedure so that the Data lines pair of left and right two
The Capacitance Coupled effect of public electrode is different, can not be completely counterbalanced by the effect of pullling to public electrode current potential so that H-
Crosstalk can not be effectively eliminated.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of this, the invention provides a kind of driving method of liquid crystal display, the driving method can be effectively
Improve horizontal crosstalk (H-Crosstalk) problem of liquid crystal display.
To achieve the above object, present invention employs following technical scheme：
A kind of driving method of liquid crystal display, the liquid crystal display include the sub-pixel of M rows × N row, wherein, it is described
Driving method method includes：
Establish the jump in potential value of data wire and the mapping table of its coupling voltage values to public electrode；
Each row sub-pixel of the liquid crystal display is driven line by line, judges the charging voltage of the data wire in the i-th row
Whether pixel occurs saltus step relative to the i-th -1 row sub-pixel；If so,
First jump in potential value of the data wire in the i-th row sub-pixel is obtained, and is obtained according to the mapping table
Corresponding first coupling voltage values；
Judge whether first coupling voltage values reach more than default coupled voltages threshold value；If so,
Extend the charging interval of the i-th row sub-pixel；
Wherein, M, N are integer more than 1, i=2,3 ..., M.
Specifically, the jump in potential value of the data wire and the mapping relations function of the coupling voltage values of the public electrode
For：
Wherein, Δ VCFor the coupling voltage values of public electrode, Δ VDFor the electricity of data wire
Position hop value, CdcParasitic capacitance between data wire and public electrode, CtFor in the liquid crystal display with public electrode phase
The summation for all parasitic capacitances closed, α is empirical.
Specifically,
Specifically, if first coupling voltage values reach more than coupled voltages threshold value, during by the charging of the i-th row sub-pixel
Between tiTx is extended to, tx represents that the public electrode returns to benchmark common electric voltage from first coupling voltage values are superimposed with
Time.
Specifically, if first coupling voltage values reach more than coupled voltages threshold value, during by the charging of the i-th row sub-pixel
Between tiIt is set as：ti=n × t, wherein, n=2~5, t represent the charging interval per a line sub-pixel initial preset.
Specifically, the default coupled voltages threshold value is not less than VG, wherein,GMAXDescribed in expression
The maximum gray value of liquid crystal display, VMAXRepresent the maximum gray value G of the liquid crystal displayMAXCorresponding magnitude of voltage, V0Table
Show magnitude of voltage corresponding to 0 GTG of the liquid crystal display.
In another preferable technical scheme, there is provided a kind of driving method of liquid crystal display, the liquid crystal display
Device includes the sub-pixel of M rows × N row, wherein, the driving method method includes：
Establish the jump in potential value of data wire and the mapping table of its coupling voltage values to public electrode；
Each row sub-pixel of the liquid crystal display is driven line by line, judges the charging voltage of the data wire in the i-th row
Whether pixel occurs saltus step relative to the i-th -1 row sub-pixel；If so,
First jump in potential value of the data wire in the i-th row sub-pixel is obtained, and is obtained according to the mapping table
Corresponding first coupling voltage values；
Judge whether first coupling voltage values reach more than default coupled voltages threshold value；If so,
Increase the charging voltage of the i-th row sub-pixel, to offset first coupling voltage values；
Wherein, M, N are integer more than 1, i=2,3 ..., M.
The driving method of liquid crystal display provided in an embodiment of the present invention, jumped for there is the charging voltage of data wire
Become in the i-th row sub-pixel, by extending charging interval or increase charging voltage, it is ensured that to sub-pixel be filled with correct pixel across
Pressure, effectively improve horizontal crosstalk (H-Crosstalk) problem of liquid crystal display.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing liquid crystal display occurred level crosstalk；
Fig. 2 is the timing waveform of drive signal in Fig. 1；
Fig. 3 is the step flow chart of the driving method of the liquid crystal display in the embodiment of the present invention 1；
Fig. 4 is the timing waveform of the drive signal in the embodiment of the present invention 1；
Fig. 5 is the step flow chart of the driving method of the liquid crystal display in the embodiment of the present invention 2；
Fig. 6 is the timing waveform of the drive signal in the embodiment of the present invention 2.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to the specific reality of the present invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in accompanying drawing and according to
What the embodiments of the present invention of accompanying drawing description were merely exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show and according to the solution of the present invention closely related structure and/or processing step, and eliminate little with relation of the present invention
Other details.
Embodiment 1
A kind of driving method of liquid crystal display is present embodiments provided, the liquid crystal display display panel, source electrode drive
Dynamic device and gate drivers.Crisscross data wire and scan line, the data wire and scanning are set in the display panel
Line limits the sub-pixel of M rows × N row in the display panel, and M, N are the integer more than 1.The source electrode driver passes through
The data wire is to the sub-pixel input data signal, there is provided charging voltage；The gate drivers pass through the scan line
Scanning signal is inputted to the sub-pixel, controls the charging interval per a line sub-pixel.Normally, the drive of the liquid crystal display
During dynamic, each default charging interval t of row sub-pixel is identical.
Refering to Fig. 3, the driving method method that the present embodiment provides liquid crystal display includes step：
S11, the jump in potential value for establishing data wire and the mapping table of its coupling voltage values to public electrode.Specifically
Ground, in the present embodiment, the jump in potential value of the data wire and the mapping relations function of the coupling voltage values of the public electrode
For：Wherein, Δ VCFor the coupling voltage values of public electrode, Δ VDFor the jump in potential of data wire
Value, CdcParasitic capacitance between data wire and public electrode, CtFor institute related to public electrode in the liquid crystal display
There is the summation of parasitic capacitance, α is empirical.Wherein, α value is preferably between 0.5~0.8, most preferably,
S12, each row sub-pixel for driving liquid crystal display line by line.Specifically, every a line is opened line by line by gate drivers
Sub-pixel, charging voltage is provided to the sub-pixel opened by data wire from source electrode driver.Refering to Fig. 4, each row picture
The element default charging interval is t.
S13, judge whether the charging voltage of data wire occurs saltus step in the i-th row sub-pixel.Specifically, the i-th row is judged
The charging voltage V of pixelD(i) relative to the charging voltage V of the i-th -1 row sub-pixelD(i-1) whether saltus step occurs, if then performing
Step S14, otherwise perform step S161.Wherein, i=2,3 ..., M.
S14, first jump in potential value of the data wire in the i-th row sub-pixel is obtained, and obtained according to the mapping table
Corresponding first coupling voltage values.Specifically, the first jump in potential value Δ V of the i-th row sub-pixelD(i)=VD(i)-VD(i-1),
Then the mapping table established according to step S11, acquisition correspond to Δ VD(i) the first coupling voltage values Δ VC(i)。
S15, judge whether the first coupling voltage values reach more than default coupled voltages threshold value.Specifically, by the first coupling
Close magnitude of voltage Δ VC(i) with default coupled voltages threshold value Δ VCthIt is compared, if Δ VC(i)≥ΔVCth, then step is performed
S162, otherwise perform step S161.
S161, according to the driving parameter of initial preset the i-th row sub-pixel is driven.
S162, the charging interval of the i-th row sub-pixel of extension are driven.Specifically, by the charging interval of the i-th row sub-pixel
tiExtend (opening time for extending the i-th row sub-pixel) the i-th row sub-pixel is driven, other driving parameters keep with just
The default driving parameter that begins is identical.Refering to Fig. 4, compared with of the prior art, in the present embodiment, in the charging electricity of data wire
The scan line Gate-m and Gate-n, charging interval t of pressure life saltus stepmAnd tnExtend respectively, i.e. tm>T, tn>t。
In preferable scheme, if the first coupling voltage values Δ VC(i) coupled voltages threshold value Δ V is reachedCthMore than,
By the charging interval t of the i-th row sub-pixeliIt is set as：ti=n × t, wherein, between n values are 2~5.
In highly preferred scheme, if the first coupling voltage values Δ VC(i) coupled voltages threshold value Δ V is reachedCthWith
On, by the charging interval t of the i-th row sub-pixeliTx is extended to, tx represents that the public electrode is electric from first coupling is superimposed with
Pressure value Δ VC(i) time of benchmark common electric voltage is returned to.
Wherein, the default coupled voltages threshold value Δ VCthIt can be set according to being actually needed.In the present embodiment, institute
State default coupled voltages threshold value Δ VCthNot less than VG, wherein,GMAXRepresent the liquid crystal display
Maximum gray value, VMAXRepresent the maximum gray value G of the liquid crystal displayMAXCorresponding magnitude of voltage, V0Represent the liquid crystal
Show magnitude of voltage corresponding to 0 GTG of device.
The driving method for the liquid crystal display that the present embodiment provides, saltus step occurs for there is the charging voltage of data wire
In the i-th row sub-pixel, pass through the charging interval t of the i-th row sub-pixel of extensioni, it is ensured that correct pixel cross-pressure is filled with to sub-pixel,
Effectively improve horizontal crosstalk (H-Crosstalk) problem of liquid crystal display.
Embodiment 2
Refering to Fig. 5, the driving method method that the present embodiment provides liquid crystal display includes step：
S21, the jump in potential value for establishing data wire and the mapping table of its coupling voltage values to public electrode.Specifically
Ground, in the present embodiment, the jump in potential value of the data wire and the mapping relations function of the coupling voltage values of the public electrode
For：Wherein, Δ VCFor the coupling voltage values of public electrode, Δ VDFor the jump in potential of data wire
Value, CdcParasitic capacitance between data wire and public electrode, CtFor institute related to public electrode in the liquid crystal display
There is the summation of parasitic capacitance, α is empirical.Wherein, α value is preferably between 0.5~0.8, most preferably,
S22, each row sub-pixel for driving liquid crystal display line by line.Specifically, every a line is opened line by line by gate drivers
Sub-pixel, charging voltage is provided to the sub-pixel opened by data wire from source electrode driver.Refering to Fig. 6, each row picture
The element default charging interval is t.
S23, judge whether the charging voltage of data wire occurs saltus step in the i-th row sub-pixel.Specifically, the i-th row is judged
The charging voltage V of pixelD(i) relative to the charging voltage V of the i-th -1 row sub-pixelD(i-1) whether saltus step occurs, if then performing
Step S24, otherwise perform step S261.Wherein, i=2,3 ..., M.
S24, first jump in potential value of the data wire in the i-th row sub-pixel is obtained, and obtained according to the mapping table
Corresponding first coupling voltage values.Specifically, the first jump in potential value Δ V of the i-th row sub-pixelD(i)=VD(i)-VD(i-1),
Then the mapping table established according to step S21, acquisition correspond to Δ VD(i) the first coupling voltage values Δ VC(i)。
S25, judge whether the first coupling voltage values reach more than default coupled voltages threshold value.Specifically, by the first coupling
Close magnitude of voltage Δ VC(i) with default coupled voltages threshold value Δ VCthIt is compared, if Δ VC(i)≥ΔVCth, then step is performed
S262, otherwise perform step S261.
S261, according to the driving parameter of initial preset the i-th row sub-pixel is driven.
S262, the charging voltage of the i-th row sub-pixel of increase are driven.Specifically, along the charging electricity of the data wire
The direction that saltus step occurs for the i-th row sub-pixel is pressed in, by the charging voltage of the data wire in the first jump in potential value Δ VD(i)
On the basis of increase by the second jump in potential value Δ VD' (i) is driven to the i-th row sub-pixel, other driving parameters keep with it is initial
Default driving parameter is identical.Preferably, Δ V 'D(i)=Δ VC(i).Refering to Fig. 6, compared with of the prior art, this reality
Apply in example, the scan line Gate-m of saltus step occur in the charging voltage of data wire, the charging interval remains t, charging voltage then by
V1It is adjusted to V2, V2With V1Difference with Δ VC(m) it is equal；The scan line Gate-n of saltus step occurs in the charging voltage of data wire, fills
The electric time remains t, and charging voltage is then by V3It is adjusted to V4, V4With V3Difference with Δ VC(m) it is equal.
Wherein, the default coupled voltages threshold value Δ VCthIt can be set according to being actually needed.In the present embodiment, institute
State default coupled voltages threshold value Δ VCthNot less than VG, wherein,GMAXRepresent the liquid crystal display
Maximum gray value, VMAXRepresent the maximum gray value G of the liquid crystal displayMAXCorresponding magnitude of voltage, V0Represent the liquid crystal
Show magnitude of voltage corresponding to 0 GTG of device.
The driving method for the liquid crystal display that the present embodiment provides, saltus step occurs for there is the charging voltage of data wire
In the i-th row sub-pixel, by increasing the charging voltage of the i-th row sub-pixel, to offset caused coupling voltage values, it is ensured that Xiang Zi
Pixel is filled with correct pixel cross-pressure, effectively improves horizontal crosstalk (H-Crosstalk) problem of liquid crystal display.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of driving method of liquid crystal display, the liquid crystal display includes the sub-pixel of M rows × N row, it is characterised in that
The driving method method includes：
Establish the jump in potential value of data wire and the mapping table of its coupling voltage values to public electrode；
Each row sub-pixel of the liquid crystal display is driven line by line, judges the charging voltage of the data wire in the i-th row sub-pixel
Whether saltus step occurs relative to the i-th -1 row sub-pixel；If so,
First jump in potential value of the data wire in the i-th row sub-pixel is obtained, and is obtained and corresponded to according to the mapping table
The first coupling voltage values；
Judge whether first coupling voltage values reach more than default coupled voltages threshold value；If so,
Extend the charging interval of the i-th row sub-pixel；
Wherein, M, N are integer more than 1, i=2,3 ..., M.
2. the driving method of liquid crystal display according to claim 1, it is characterised in that the jump in potential of the data wire
Value and the mapping relations function of the coupling voltage values of the public electrode are：
Wherein, Δ VCFor the coupling voltage values of public electrode, Δ VDFor the jump in potential of data wire
Value, CdcParasitic capacitance between data wire and public electrode, CtFor institute related to public electrode in the liquid crystal display
There is the summation of parasitic capacitance, α is empirical.
3. the driving method of liquid crystal display according to claim 2, it is characterised in that
4. the driving method of liquid crystal display according to claim 2, it is characterised in that if first coupling voltage values
Reach more than coupled voltages threshold value, by the charging interval t of the i-th row sub-pixeliExtend to tx, tx represents the public electrode from folded
The time of benchmark common electric voltage is returned to added with first coupling voltage values.
5. the driving method of liquid crystal display according to claim 2, it is characterised in that if first coupling voltage values
Reach more than coupled voltages threshold value, by the charging interval t of the i-th row sub-pixeliIt is set as：ti=n × t, wherein, n=2~5, t tables
Show the charging interval of every a line sub-pixel initial preset.
6. according to the driving method of any described liquid crystal displays of claim 1-5, it is characterised in that the default coupling
Voltage threshold is not less than VG, wherein,GMAXRepresent the maximum gray value of the liquid crystal display, VMAXTable
Show the maximum gray value G of the liquid crystal displayMAXCorresponding magnitude of voltage, V0Represent corresponding to 0 GTG of the liquid crystal display
Magnitude of voltage.
7. a kind of driving method of liquid crystal display, the liquid crystal display includes the sub-pixel of M rows × N row, it is characterised in that
The driving method method includes：
Establish the jump in potential value of data wire and the mapping table of its coupling voltage values to public electrode；
Each row sub-pixel of the liquid crystal display is driven line by line, judges the charging voltage of the data wire in the i-th row sub-pixel
Whether saltus step occurs relative to the i-th -1 row sub-pixel；If so,
First jump in potential value of the data wire in the i-th row sub-pixel is obtained, and is obtained and corresponded to according to the mapping table
The first coupling voltage values；
Judge whether first coupling voltage values reach more than default coupled voltages threshold value；If so,
Increase the charging voltage of the i-th row sub-pixel, to offset first coupling voltage values；
Wherein, M, N are integer more than 1, i=2,3 ..., M.
8. the driving method of liquid crystal display according to claim 7, it is characterised in that the jump in potential of the data wire
Value and the mapping relations function of the coupling voltage values of the public electrode are：
Wherein, Δ VCFor the coupling voltage values of public electrode, Δ VDFor the jump in potential of data wire
Value, CdcParasitic capacitance between data wire and public electrode, CtFor institute related to public electrode in the liquid crystal display
There is the summation of parasitic capacitance, α is empirical.
9. the driving method of liquid crystal display according to claim 8, it is characterised in that
10. according to the driving method of any described liquid crystal displays of claim 6-9, it is characterised in that the default coupling
Close voltage threshold and be not less than VG, wherein,GMAXRepresent the maximum gray value of the liquid crystal display, VMAX
Represent the maximum gray value G of the liquid crystal displayMAXCorresponding magnitude of voltage, V0Represent that 0 GTG of the liquid crystal display is corresponding
Magnitude of voltage.
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| US11295678B2 (en) | 2019-05-31 | 2022-04-05 | Kunshan Go-Visionox Opto-Electronics Co., Ltd | Picture compensation method and display device |
| CN110491347A (en) * | 2019-07-16 | 2019-11-22 | 福建华佳彩有限公司 | A kind of Display panel method |
| CN111313505A (en) * | 2020-03-30 | 2020-06-19 | 合肥京东方卓印科技有限公司 | Target charging time determination method, charging method, device and display device |
| CN111313505B (en) * | 2020-03-30 | 2022-04-15 | 合肥京东方卓印科技有限公司 | Target charging time determination method, charging method, device and display device |
| CN114038379A (en) * | 2021-11-29 | 2022-02-11 | 京东方科技集团股份有限公司 | Sub-pixel starting sequence determination method, sub-pixel starting method and pixel driving circuit |
| CN114038379B (en) * | 2021-11-29 | 2023-12-26 | 京东方科技集团股份有限公司 | Sub-pixel starting sequence determination method, sub-pixel starting method and pixel driving circuit |
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