CN109599074A - A kind of driving method and drive system of display panel - Google Patents
A kind of driving method and drive system of display panel Download PDFInfo
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- CN109599074A CN109599074A CN201910089366.3A CN201910089366A CN109599074A CN 109599074 A CN109599074 A CN 109599074A CN 201910089366 A CN201910089366 A CN 201910089366A CN 109599074 A CN109599074 A CN 109599074A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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Abstract
The invention discloses a kind of driving method of display panel and drive system, the display panel includes multiple pixels, and each pixel includes multiple heterochromatic sub-pixels；At least one of described sub-pixel is sub-pixel to be determined, and for the sub-pixel to be determined that adjacent two are homochromy as a sub-pixel group to be determined, each sub-pixel group to be determined includes first sub-pixel and second sub-pixel；The driving method judges section comprising steps of the corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance；The relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；It determines in a manner of the first adjustment or second adjustment mode drives the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
Description
Technical field
The present invention relates to field of display technology more particularly to the driving methods and drive system of a kind of display panel.
Background technique
Large scale liquid crystal display panel uses minus vertical orientation type (Vertical Alignment, VA) liquid crystal skill mostly
Art or plane conversion type (In-Plane Switching, IPS) liquid crystal technology, VA liquid crystal technology are deposited compared to IPS liquid crystal technology
It is obtained compared to IPS liquid crystal technology there are more apparent in higher production efficiency and the advantage of low manufacturing cost, but in optical property
Optical property defect, especially large size panel need biggish visual angle to present in terms of business application, that is, exist more serious
Colour cast.
Thus, how to improve colour cast, becomes the important research topic of those skilled in the art.
Summary of the invention
While colour cast can be improved the object of the present invention is to provide one kind, improve the driving side of the display panel of granular sensation
Method and drive system.
The invention discloses a kind of driving method of display panel, the display panel includes multiple pixels, each described
Pixel includes multiple heterochromatic sub-pixels；At least one of described sub-pixel is sub-pixel to be determined, and adjacent two homochromy
Sub-pixel to be determined as a sub-pixel group to be determined, each sub-pixel group to be determined includes the first sub-pixel and the
Two sub-pixels；The driving method comprising steps of
The corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance and judges section；
The relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；It determines with the first adjustment side
Formula or second adjustment mode drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined；
Wherein, under the first adjustment mode and second adjustment mode, the corresponding sub- picture of first sub-pixel and second sub-pixel
The average grayscale of plain signal is suitable, and grey scale is different.
Optionally, the relationship that section is judged according to the corresponding sub-pixel signal of sub-pixel group to be determined and signal；Really
Determine in a manner of the first adjustment or second adjustment mode drives the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined
Step includes: the average value for calculating the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge locating for average value
Signal judges section；The signal according to locating for average value judges section, determines in a manner of the first adjustment or second adjustment mode drives
The corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
Optionally, the pixel includes red sub-pixel, green sub-pixels and blue subpixels；The sub-pixel to be determined
Including the first sub-pixel to be determined and the second sub-pixel to be determined, first sub-pixel to be determined is all sub- pictures of green
Element, second sub-pixel to be determined are all red sub-pixels.
Optionally, the pixel includes red sub-pixel, green sub-pixels and blue subpixels；The sub-pixel to be determined
For all red sub-pixels.
Optionally, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；Described calculate is owned
The average value of the corresponding sub-pixel signal of sub-pixel to be determined；Relatively and judge that signal locating for average value judges section；According to
Locating signal judges section, determines in a manner of the first adjustment or second adjustment mode drives corresponding first son of sub-pixel to be determined
The step of pixel and the second sub-pixel includes: to calculate all sub-pixels pair to be determined in corresponding block as unit of each block
The average value for the sub-pixel signal answered；Relatively and judge that signal locating for average value judges section；The signal according to locating for average value
Judge section, determines in a manner of the first adjustment or second adjustment mode drives the corresponding first sub- picture of sub-pixel to be determined in block
Element and the second sub-pixel.
Optionally, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；The basis is wait sentence
The corresponding sub-pixel signal of stator pixel and signal judge the relationship in section；It determines in a manner of the first adjustment or second adjustment mode
The step of driving sub-pixel to be determined corresponding first sub-pixel and second sub-pixel include:
It executes as unit of block, calculate the corresponding sub-pixel signal of all green sub-pixels in corresponding block first is flat
Mean value；
Relatively and judge that signal locating for the first average value judges section；Area is judged according to signal locating for the first average value
Between, it determines in a manner of the first adjustment or second adjustment mode, drives the first all green sub-pixels in corresponding block and the
Two green sub-pixels；
It executes as unit of block, calculate the corresponding sub-pixel signal of all red sub-pixels in corresponding block second is flat
Mean value；
Relatively and judge that signal locating for the second average value judges section；Area is judged according to signal locating for the second average value
Between, it determines in a manner of the first adjustment or second adjustment mode drives sub-pixel to be determined in block corresponding all first red
Sub-pixel and the second red sub-pixel.
Optionally, the first adjustment mode is by the first sub-pixel and second sub-pixel pair in each sub-pixel group to be determined
The corresponding grayscale value of original sub-pixel signal answered carry out it is average after, found pair according to average value and preset look-up table
The sub-pixel high voltage signal and sub-pixel low voltage signal answered, to drive corresponding first sub-pixel of sub-pixel to be determined and
Second sub-pixel；Second adjustment mode is that the first sub-pixel and second sub-pixel in each sub-pixel group to be determined are corresponding
Original sub-pixel signal, is not processed, to drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
Optionally, the signal judges that section is successively drawn according to the grayscale size of the sub-pixel signal of sub-pixel to be determined
It is divided into i signal and judges section, first signal judges that the corresponding signal grayscale in section is minimum, and i-th of signal judges section pair
The signal grayscale answered is maximum；Wherein, the value of i is the natural number more than or equal to 2, and is less than or equal to the maximum of the display panel
Greyscale level；The signal judges that section includes starting section and closing section；The starting section is that the signal judges area
Between in close to first signal judge that section and close i-th of signal judge that the signal in section judges section；The closing section
Judge to judge section far from first signal in section for the signal and judges that the signal in section judges area far from i-th of signal
Between；The average value for calculating the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge letter locating for average value
Number judge section；The signal according to locating for average value judges section, determine in a manner of the first adjustment or second adjustment mode drive to
The step of determining sub-pixel corresponding first sub-pixel and second sub-pixel includes: relatively and to judge that signal locating for average value is sentenced
Disconnected section；If signal locating for average value judges section to start section, it is determined that drive sub- picture to be determined in a manner of the first adjustment
The corresponding first sub-pixel and second sub-pixel of element；If signal locating for average value judges section to close section, it is determined that with the
Two adjustment modes drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
The present invention also provides a kind of driving method of display panel, the display panel includes multiple pixels；It is described aobvious
Show that pixel is divided into multiple blocks according to physical location is adjacent by panel；Each pixel includes red sub-pixel, green
Pixel and blue subpixels；The pixel includes the first sub-pixel to be determined and the second sub-pixel to be determined, and described first wait sentence
Stator pixel is green sub-pixels all in corresponding block, and second sub-pixel to be determined be all red in correspondence block
Sub-pixels；Two adjacent green sub-pixels determine that sub-pixel group, each green determine sub-pixel as a green
Group includes the first green sub-pixels and the second green sub-pixels；Two adjacent red sub-pixels are as a red sub- picture of judgement
Plain group, each red judgement sub-pixel group includes the first red sub-pixel and the second red sub-pixel；The driving method
Comprising steps of
The corresponding sub-pixel signal of green sub-pixels is in turn divided into i signal according to grayscale size in advance and judges area
Between, meanwhile, the corresponding sub-pixel signal of red sub-pixel is in turn divided into j signal according to grayscale size in advance and judges area
Between；Wherein, the value of i is the natural number more than or equal to 2, and is less than or equal to the maximum gray grade of the display panel；J's takes
Value is the natural number more than or equal to 2, and is less than or equal to the maximum gray grade of the display panel；
It executes as unit of block, calculate the corresponding sub-pixel signal of all green sub-pixels in corresponding block first is flat
Mean value；Relatively and judge that signal locating for the first average value judges section；
The signal locating for the first average value judges that section judges that section or i-th of signal judge section for first signal
When, each green is determined that the first green sub-pixels and the corresponding original sub-pixel of the second green sub-pixels in sub-pixel group are believed
Number corresponding grayscale value carry out it is average after, corresponding sub-pixel high voltage is found according to average value and preset look-up table
Signal and sub-pixel low voltage signal, to drive in block corresponding first green sub-pixels of sub-pixel to be determined and second green
Sub-pixels；
The signal locating for the first average value judge section for first signal judge section and i-th of signal judge section with
When outer signal judges section, each green is determined that the first green sub-pixels of sub-pixel group and the second green sub-pixels are corresponding
Original sub-pixel signal, be not processed, to drive corresponding first green sub-pixels of sub-pixel to be determined and in block
Two green sub-pixels；
It executes as unit of block, calculate the corresponding sub-pixel signal of all red sub-pixels in corresponding block second is flat
Mean value；Relatively and judge that signal locating for the second average value judges section；
The signal locating for the second average value judges that section judges that section or j-th of signal judge section for first signal
When, each red the first red sub-pixel determined in sub-pixel group and the corresponding original sub-pixel of the second red sub-pixel are believed
Number corresponding grayscale value carry out it is average after, corresponding sub-pixel high voltage is found according to average value and preset look-up table
Signal and sub-pixel low voltage signal, to drive in block corresponding first red sub-pixel of sub-pixel to be determined and second red
Sub-pixels；
The signal locating for the second average value judge section for first signal judge section and j-th of signal judge section with
It is when outer signal judges section, each red the first red sub-pixel for determining sub-pixel group and the second red sub-pixel is corresponding
Original sub-pixel signal, be not processed, to drive corresponding first red sub-pixel of sub-pixel to be determined and in block
Two red sub-pixels；
Executing two neighboring blue subpixels is one group, will the corresponding grayscale value progress of corresponding original sub-pixel signal
After average, corresponding sub-pixel high voltage signal and sub-pixel low-voltage are found according to average value and preset look-up table
Signal, to drive the corresponding two neighboring blue subpixels of sub-pixel to be determined in block；
Wherein, the corresponding sub-pixel high voltage signal of each sub-pixel group to be determined and sub-pixel low voltage signal are averaged
Grayscale is suitable with the average grayscale of corresponding two original sub-pixel signals；Sub-pixel high voltage signal and sub-pixel low-voltage
The grey scale of signal, greater than the grey scale of corresponding two original sub-pixel signals.
The present invention also provides a kind of drive system of display panel, the display panel includes multiple pixels, Mei Gesuo
Stating pixel includes multiple heterochromatic sub-pixels；At least one of described sub-pixel is sub-pixel to be determined, and adjacent two same
The sub-pixel to be determined of color as a sub-pixel group to be determined, each sub-pixel group to be determined include the first sub-pixel and
Second sub-pixel；
The drive system includes: that the corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance to judge
The interval division module in section；The processing of the relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal
Module；The processing module determines in a manner of the first adjustment or second adjustment mode drives corresponding first son of sub-pixel to be determined
Pixel and the second sub-pixel.
Relative to by the way that each sub-pixel (such as red sub-pixel, green sub-pixels and blue subpixels) is divided into primary and secondary
(Main/Sub) pixel, and connected for the scheme of discharge switch and discharge capacity to improve colour cast to sub-pixel.The present invention can
It realizes that a brightness is presented to use the sub-pixel signal of two adjacent same sub-pixels, but it is presented in realization brightness
Before, need judge in advance that the sub-pixel signal of sub-pixel to be determined in current picture judges the relationship in section with signal, it is homochromy
Sub-pixel to be determined corresponding colour cast degree and granular sensation degree in the case where different signals judges section be not identical, according to judgement
As a result with determine the frame image colour cast and granular sensation situation, if granular sensation is too strong, then select granular sensation it is weaker (grey scale compared with
It is small) adjustment mode drive first sub-pixel and second sub-pixel；If granular sensation is less strong, selection can preferably improve
The adjustment mode of colour cast (grey scale is larger) drives first sub-pixel and second sub-pixel, preferably to improve colour cast, so
Setting, can select different adjustment modes, according to the actual situation to realize better display effect.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is first schematic diagram that pixel is divided into major/minor pixel of one embodiment of the invention；
Fig. 2 is second schematic diagram that pixel is divided into major/minor pixel of one embodiment of the invention；
Fig. 3 is a kind of driving method flow chart of display panel of one embodiment of the invention；
Fig. 4 is a kind of driving method flow chart of display panel of another embodiment of the present invention；
Fig. 5 is a kind of pixel arrangement schematic diagram of display panel of another embodiment of the present invention；
Fig. 6 is a kind of picture element signal driving schematic diagram of display panel of another embodiment of the present invention；
Fig. 7 is a kind of detail flowchart of the driving method of display panel of one embodiment of the invention；
Fig. 8 is a kind of schematic diagram of drive system of one embodiment of the invention.
Wherein, 100, drive system；10, interval division module；20, processing module.
Specific embodiment
It is to be appreciated that term used herein above, disclosed specific structure and function details, it is only for description
Specific embodiment is representative, but the application can be implemented by many alternative forms, be not construed as only
It is limited to the embodiments set forth herein.
In the description of the present application, term " first ", " second " are used for description purposes only, and it is opposite to should not be understood as instruction
Importance, or implicitly indicate the quantity of indicated technical characteristic.As a result, unless otherwise indicated, " first ", " are defined
Two " feature can explicitly or implicitly include one or more of the features；The meaning of " plurality " is two or two
More than.Term " includes " and its any deformation, mean and non-exclusive include, it is understood that there may be or addition is one or more that other are special
Sign, integer, step, operation, unit, component and/or combination thereof.
In addition, "center", " transverse direction ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The term of the orientation or positional relationship of the instructions such as "outside" is that orientation or relative positional relationship based on the figure describe, only
Be that the application simplifies description for ease of description, rather than indicate signified device or element must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected
It connects；It can be directly connected, it can also indirectly connected through an intermediary or the connection inside two elements.For ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
Exemplary solution is by the way that RGB (Red, Green, Blue) each sub-pixel is further subdivided into major/minor pixel
(Main/Sub), so that whole big visual angle brightness is closer to face with voltage change.
Fig. 1 is the first schematic diagram that pixel is divided into major/minor pixel, and Fig. 2 is that pixel is divided into major/minor pixel
Two schematic diagrames, with reference to known to Fig. 1 and Fig. 2, wherein the x coordinate, y-coordinate and z coordinate respectively represent three sides of three-dimensional space
To；The θ A indicates that the pre-dumping lead angle under the wherein big voltage of main pixel, the θ B indicate the pre-dumping lead angle under wherein sub-pixel small voltage.
Specifically, original signal to be divided into the primary and secondary pixel of big voltage+small voltage, facing big voltage will maintain plus small voltage
Original faces signal with brightness change, and PartA of the side view brightness that big voltage is seen with gray scale variation as shown in figure 1, small voltage is seen
PartB of the side view brightness with gray scale variation as shown in figure 1.Side view synthesizes the brightness seemed with gray scale variation just by two in this way
The arc segment of dotted line becomes solid line arc segment, so visual angle brightness faces original signal brightness with signal with signal intensity relationship is close
Variation so that visual angle is improved.
It is this by spatially primary and secondary pixel to give different driving voltages to solve visual angle colour cast and obtain defect, such picture
Element design generally requires redesign metal routing or thin film transistor (TFT) (Thin Film Transistor, TFT) element to drive
Sub-pixel causes light-permeable open region sacrifice, influences the saturating rate of panel, directly contributes the promotion of backlight cost.
Below with reference to the accompanying drawings it elaborates with optional embodiment to the present invention.
Fig. 3 is a kind of driving method flow chart of display panel of one embodiment of the invention, and Fig. 4 is another embodiment of the present invention
A kind of driving method flow chart of display panel, with reference to Fig. 3 and Fig. 4, the invention discloses a kind of driving method of display panel,
The display panel includes multiple pixels, and each pixel includes multiple heterochromatic sub-pixels；In the sub-pixel at least
One kind is sub-pixel to be determined, and the sub-pixel to be determined that adjacent two are homochromy is as a sub-pixel group to be determined, Mei Gesuo
Stating sub-pixel group to be determined includes first sub-pixel and second sub-pixel；The driving method comprising steps of
S11: the corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance and judges section；
S12: the relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；It determines and is adjusted with first
Perfect square formula or second adjustment mode drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined；
Wherein, under the first adjustment mode and second adjustment mode, the corresponding sub- picture of first sub-pixel and second sub-pixel
The average grayscale of plain signal is suitable, and grey scale is different.
Relative to shown in Fig. 1 and Fig. 2, by by each sub-pixel (such as red sub-pixel, green sub-pixels and the sub- picture of blue
Element) it is divided into primary and secondary (Main/Sub) pixel, and discharge switch and discharge capacity are connected to sub-pixel to improve the scheme of colour cast
For.The sub-pixel signal of two adjacent same sub-pixels can be used to realize that a brightness is presented in the present invention, but in reality
Before existing brightness is presented, need judge in advance that the sub-pixel signal of sub-pixel to be determined in current picture judges section with signal
Relationship, homochromy sub-pixel to be determined corresponding colour cast degree and granular sensation degree not phase in the case where different signals judges section
Together, according to judging result with determine the frame image colour cast and granular sensation situation, if granular sensation is too strong, then select granular sensation compared with
The adjustment mode of weak (grey scale is smaller) drives first sub-pixel and second sub-pixel；If granular sensation is less strong, energy is selected
Enough preferably improve the adjustment mode of colour cast (grey scale is larger) to drive first sub-pixel and second sub-pixel, preferably to change
Kind colour cast, so set, different adjustment modes can be selected according to the actual situation, to realize better display effect.Also,
The present invention can not change the structure of pixel, i.e., will not reduce aperture opening ratio, i.e. the present invention can not only improve colour cast and granular sensation,
And not will cause the loss of aperture opening ratio, be conducive to reduce power consumption.
Wherein, average grayscale, the i.e. grayscale value of the corresponding sub-pixel signal of the first sub-pixel are corresponding with the second sub-pixel
The average value of the grayscale value of sub-pixel signal, i.e., under the first adjustment mode and second adjustment mode, the first sub-pixel and second
The average brightness of sub-pixel presents suitable.Wherein, average grayscale is suitable, refers in the first adjustment mode and second adjustment mode
Under, the average grayscale size of first sub-pixel and second sub-pixel is the same, certainly, in the first adjustment mode and second adjustment mode
Under, the average grayscale of first sub-pixel and second sub-pixel is not quite identical, but the difference of size is less than preset range, example
Such as, when error is less than 0.5 grayscale, it is believed that two average grayscale sizableness.
In one embodiment, the first adjustment mode is by the first sub-pixel and the second son in each sub-pixel group to be determined
The corresponding grayscale value of the corresponding original sub-pixel signal of pixel carry out it is average after, looked into according to average value and preset look-up table
Corresponding sub-pixel high voltage signal and sub-pixel low voltage signal are found, to drive corresponding first son of sub-pixel to be determined
Pixel and the second sub-pixel；
Second adjustment mode is by the corresponding original of first sub-pixel and second sub-pixel in each sub-pixel group to be determined
Beginning sub-pixel signal, is not processed, to drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.This implementation
In scheme, under the first adjustment mode, a brightness is realized using sub-pixel high voltage signal and sub-pixel low voltage signal
Presentation, the problem of can preferably improving colour cast；And under second adjustment mode, first sub-pixel and second sub-pixel are corresponding
Original sub-pixel signal grey scale it is smaller, can significantly improve granular sensation；Different adjustment is selected according to different situations
Mode drives sub-pixel to be determined, can effectively promote display effect.
Specifically, the sub-pixel signal of corresponding driving display panel pixel uses 8 bit numbers with reference to shown in following table 1
According to the 0,1 of format ... 255 grayscale signals；Under the first adjustment mode, by taking red sub-pixel as an example, two adjacent independent sons
The corresponding original sub-pixel signal of pixel be R1 and R2, the two original sub-pixel signals be 0,1 ... 255 grayscale signal, root
According to the average signal (Rave) of R1, R2 two adjacent same sub-pixels, the sub-pixel high voltage signal obtained from default look-up table
(RH) and sub-pixel low voltage signal (RL) is also similarly 0,1 ... 255 grayscale signal.Wherein, RH and RL, with R1 and R2
There is comparable average grayscale to present, but the grey scale of the RH and RL is greater than R1 and R2.In this way, can be drawn to current
After colour cast and granular sensation the degree judgement in face, selection is corresponding to drive using the adjustment mode that grey scale is big or grey scale is small
Sub-pixel to be determined.Wherein, the grey scale of two corresponding original sub-pixel signals is than sub-pixel high voltage signal and sub- picture
The grey scale of plain low voltage signal is smaller, it might even be possible to be arranged identical.
As shown in table 1, by taking red sub-pixel as an example, the sub-pixel of corresponding first sub-pixel and second sub-pixel signal is believed
Number average value Rave, it is following (in table with the corresponding relationship of sub-pixel high voltage signal RH and sub-pixel low voltage signal RL
Unit is grayscale):
1 red sub-pixel look-up table of table
Certainly, look-up table shown in above-mentioned is that an illustrative look-up table with clearer illustrates the present invention, but simultaneously
Not representing the look-up table being related to of the invention cannot be the look-up table using other grayscale signals；By taking Rave is equal to 50 as an example,
Under the first adjustment mode, RH and RL are respectively 100 and 3, or 96 and 7 etc.；And under second adjustment mode, the first sub- picture
The grayscale of element sub-pixel signal R1 and R2 corresponding with the second sub-pixel can be 40 and 60, or 50 and 50, according to reality
Depending on the demand of border, but the grey scale of the R1 and R2 is in general smaller than the grey scale of RH and RL.
In one embodiment, the pass that section is judged according to the corresponding sub-pixel signal of sub-pixel group to be determined and signal
System；It determines in a manner of the first adjustment or second adjustment mode drives corresponding first sub-pixel of sub-pixel to be determined and the second sub- picture
The step of element includes: the average value for calculating the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge average value institute
The signal at place judges section；The signal according to locating for average value judges section, determines in a manner of the first adjustment or second adjustment mode
Drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.In the present embodiment, calculate all homochromy wait sentence
The average value of the corresponding sub-pixel signal of stator pixel, the signal according to locating for average value judge section, can reflect current picture
The corresponding color signal colour cast in face and granular sensation degree, select grey scale smaller accordingly or biggish adjustment mode drives first
Sub-pixel and the second sub-pixel；Demand it preferably can improve display effect according to the actual situation.
Fig. 5 is a kind of pixel arrangement schematic diagram of display panel of the present invention, and Fig. 6 is a kind of pixel of display panel of the present invention
Signal drives schematic diagram, with reference to Fig. 5 and Fig. 6, according to Fig. 3 and Fig. 4: the corresponding R1 of dashed box as shown in Figure 5,1, G1,1 He
B1,1 is a pixel unit；It also, as shown in the figure include that n row and m are arranged and amounted to n*m pixel unit, this n*m pixel list
Member can be the pixel quantity of entire display panel, be also possible to the pixel quantity of one of block.Wherein, as shown in Figure 6
Corresponding one group of first sub-pixel to be determined of dashed box and the second sub-pixel to be determined, the physics of two corresponding sub-pixels to be determined
Position is adjacent, to realize the presentation of an average grayscale.Wherein, blue subpixels can whole adjustment sides big using grey scale
Formula drives.
In one embodiment, the pixel includes red sub-pixel, green sub-pixels and blue subpixels；It is described to be determined
Sub-pixel includes the first sub-pixel to be determined and the second sub-pixel to be determined, and first sub-pixel to be determined is all greens
Sub-pixel, second sub-pixel to be determined are all red sub-pixels.
In the present embodiment, the granular sensation situation occurred in view of human eye for red sub-pixel and green sub-pixels is more quick
Sense, thus, using red sub-pixel and green sub-pixels as sub-pixel to be determined, adjustment mode is judged and selected respectively, with needle
To the improvement colour cast or granular sensation of property, to promote display effect.Wherein, the first average value Gn of corresponding green sub-pixels,
M_ave=Average (G1,1, G2,1, G3,1, G4,1 ..., Gn, m)；And the second average value Rn of red sub-pixel is corresponded to,
M_ave=Average (R1,1, R2,1, R3,1, R4,1 ..., Rn, m), wherein Average is indicated the sub-pixel in bracket
Signal carries out summation averaging.
Specifically, calculating the average value of sub-pixel signal, the unit of the average value is grayscale, by taking red sub-pixel as an example,
Reference table 1, if average value Rave is 50, the grayscale of corresponding sub-pixel high voltage signal RH and sub-pixel low voltage signal RL
Difference is very big, and granular sensation is too obvious, thus should select second adjustment mode at this time to drive sub-pixel to be determined corresponding first
Red sub-pixel and the second red sub-pixel；At this time under the second adjustment mode, the first red sub-pixel and the second red sub- picture
The grey scale of the corresponding sub-pixel signal R1 and R2 of element is less than the grey scale of RH and RL, can be to avoid too apparent granular sensation.
Citing, R1 and R2, which can be set to grayscale, to be 40 and 60, or 50 and 50.Similarly, if average value Rave is
The grey scale of 5, corresponding RH and RL are 15, will not generate apparent granular sensation, but can improve colour cast, thus such situation
Under, selection the first adjustment mode is driven into the first red sub-pixel and the second red sub-pixel.
In one embodiment, the pixel includes red sub-pixel, green sub-pixels and blue subpixels；It is described to be determined
Sub-pixel is all red sub-pixels.In the present embodiment, which may be set to be green sub-pixels, tool
Body compares red sub-pixel and green sub-pixels, which granular sensation is obvious, which is arranged just as sub- picture to be determined
Element；In addition, one of them is arranged only as sub-pixel to be determined, then selected to be in a manner of the first adjustment or the according to average value
Two adjustment modes drive, and by taking three sub-pixel of RGB as an example, remaining two sub-pixel is without judgement and all with
One adjustment mode is to improve colour cast.Certainly, all also possible using second adjustment mode.
Wherein, the colour cast of blue colour system is not very serious, thus, blue subpixels are not intended as son to be determined in the present invention
Pixel, and default and driven with grey scale lesser driving method to improve granular sensation；Certainly, it is not for blue due to human eye
It is very sensitive, thus the granular sensation of blue colour system is also not very serious, thus can also default with the biggish driving method of grey scale
To drive to improve colour cast.
Certainly, when in need, red sub-pixel, green sub-pixels and blue subpixels can also be both configured to
Sub-pixel to be determined, but blue subpixels should be different from the Rule of judgment of red sub-pixel, green sub-pixels, such as blue
Sub-pixel can only the grey scale of corresponding sub-pixel high voltage signal and sub-pixel low voltage signal be greater than 100 grayscale when,
The first adjustment mode is just selected to drive blue subpixels.
As shown in table 2, green sub-pixels, the sub-pixel signal of corresponding first sub-pixel and second sub-pixel signal are put down
Mean value Gave, following (unit in table is with the corresponding relationship of sub-pixel high voltage signal GH and sub-pixel low voltage signal GL
Grayscale):
2 green sub-pixels look-up table of table
Reference table 1 and 2, the grey scale of red sub-pixel corresponding RH and RL be larger than the corresponding GH of green sub-pixels and
The grey scale of GL, then at this point it is possible to only set sub-pixel to be determined for red sub-pixel, certainly, if other panels are arranged
The grey scale of green sub-pixels is larger, then it is sub-pixel to be determined that green sub-pixels, which also can be set,.It certainly, while will be red sub
It is also possible that pixel and green sub-pixels are set as sub-pixel to be determined.
In one embodiment, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；The meter
Calculate the average value of the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge that signal locating for average value judges area
Between；Section is judged according to locating signal, determines in a manner of the first adjustment or second adjustment mode drives sub-pixel to be determined corresponding
First sub-pixel and second sub-pixel the step of include: to be calculated all to be determined in corresponding block as unit of each block
The average value of the corresponding sub-pixel signal of sub-pixel；Relatively and judge that signal locating for average value judges section；According to average value
Locating signal judges section, determines in a manner of the first adjustment or second adjustment mode drives sub-pixel to be determined in block corresponding
First sub-pixel and second sub-pixel.In the present embodiment, the pixel of display panel is divided into multiple areas according to physical location
Block, it is in a manner of the first adjustment that each block, which individually carries out judging, or second adjustment mode drives sub-pixel to be determined corresponding
First sub-pixel and second sub-pixel；The adjustment mode of so operation, the corresponding average value in each area and selection can more connect
The actual conditions of the nearly block, to preferably improve display effect.
Wherein, physical location it is adjacent by pixel division block refer to the pixel of display panel respectively along data line and
Scanning line direction takes the pixel of predetermined quantity as a block, such as takes 10 along data line direction, meanwhile, along scan line side
To 10 pixels are taken, then obtain one include 10*10 pixel block, so analogize display panel can be divided into it is multiple
Block.
In one embodiment, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；Described
The relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；It determines in a manner of the first adjustment or second adjusts
Perfect square formula drives the step S12 of the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined to include:
S121: executing as unit of block, calculates the corresponding sub-pixel signal of all green sub-pixels in corresponding block
First average value；
S122: relatively and judge that signal locating for the first average value judges section；Sentenced according to signal locating for the first average value
Disconnected section, determines in a manner of the first adjustment or second adjustment mode, driving correspond to the first all green sub-pixels in block
With the second green sub-pixels；
S123: executing as unit of block, calculates the corresponding sub-pixel signal of all red sub-pixels in corresponding block
Second average value；
S124: relatively and judge that signal locating for the second average value judges section；Sentenced according to signal locating for the second average value
Disconnected section, determines in a manner of the first adjustment or second adjustment mode drives sub-pixel to be determined in block corresponding all first
Red sub-pixel and the second red sub-pixel.In the present embodiment, display panel is divided into multiple blocks according to physical location,
The red sub-pixel and green sub-pixels of each block are judged respectively to select applicable adjustment mode；So operation, often
A area corresponds to red sub-pixel or the average value of green sub-pixels can be closer to the block red sub-pixel or green sub-pixels
Actual displayed situation, be adjusted the selection of mode accordingly, can preferably improve display effect.
In one embodiment, the signal judges that section is the grayscale size according to the sub-pixel signal of sub-pixel to be determined
It is in turn divided into i signal and judges section, first signal judges that the corresponding signal grayscale in section is minimum, i-th of signal judgement
The corresponding signal grayscale in section is maximum；Wherein, the value of i is the natural number more than or equal to 2, and is less than or equal to the display panel
Maximum gray grade；The signal judges that section includes starting section and closing section；The starting section is the signal
Judge to judge section close to first signal in section and judges that the signal in section judges section close to i-th of signal；The pass
Closed interval is that the signal judges to judge section far from first signal in section and judges the signal in section far from i-th of signal
Judge section；The average value for calculating the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge average value institute
The signal at place judges section；The signal according to locating for average value judges section, determines in a manner of the first adjustment or second adjustment mode
The step of driving sub-pixel to be determined corresponding first sub-pixel and second sub-pixel includes: relatively and to judge locating for average value
Signal judges section；If signal locating for average value judges section to start section, it is determined that driven in a manner of the first adjustment wait sentence
The corresponding first sub-pixel and second sub-pixel of stator pixel；If signal locating for average value judge section for close section, really
It is fixed that the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined are driven in a manner of second adjustment.In the present embodiment, with
For red sub-pixel, signal locating for average value judge the grayscale of the sub-pixel signal that section is included close to 0 grayscale or
255 grayscale, that is, when first signal judges that section or i-th of signal judge section, the corresponding sub- picture of red sub-pixel
The grey scale of plain high voltage signal RH and sub-pixel low voltage signal RL are smaller, do not have apparent granular sensation, at this point it is possible to
The first adjustment mode drives red sub-pixel to improve colour cast；And and the grayscale of sub-pixel signal is sentenced close to the signal of 50 grayscale
Disconnected section should then select second adjustment mode to drive red sub-pixel since granular sensation is stronger, to avoid too apparent
Grain sense.
Wherein, if the value of i is 51, each signal can be made to judge corresponding five grayscale values in section, 256 grayscale
Value, which can correspond to, to be divided into 51 signals and judges section, at this point, wherein to judge that section can correspond to 0-5 grayscale total for first signal
6 grayscale values are counted, and so on, each signal judges corresponding 5 or 6 grayscale values in section, in this way, each signal is made to judge area
Between the grey scale of corresponding sub-pixel high voltage signal and sub-pixel low voltage signal be all different, with reflect colour cast degree and
Grain sense degree, drives corresponding sub-pixel to be determined to select applicable adjustment mode accordingly.
Wherein, since different display panels can correspond to same average value, different sub-pixel high voltage signals is set
With sub-pixel low voltage signal, thus signal of the invention judge section be change；Specifically, signal judges that section is corresponding
The grey scale of sub-pixel high voltage signal and sub-pixel low voltage signal be greater than 50 or luminance difference be greater than 50 nit when, with
Second adjustment mode drives；If signal judges the ash of section corresponding sub-pixel high voltage signal and sub-pixel low voltage signal
Scale is driven in a manner of the first adjustment less than or equal to 50 or when luminance difference is less than or equal to 50 nit.
Wherein, which occupies all signals and judges that the ratio in section can be set to 50%, the i.e. apparent distance first
Signal judges that section and i-th of signal judge that the signal of the closer half quantity in section judges section to judge close to the first signal
Section and i-th of signal judge that the signal in section judges section.
Fig. 7 is the driving method flow chart of another display panel of the invention, with reference to Fig. 7, in conjunction with Fig. 3 to Fig. 6 it is found that originally
Invention also discloses a kind of driving method of display panel, and the display panel includes multiple pixels；The display panel according to
Physical location is adjacent to be divided into multiple blocks for pixel；Each pixel includes red sub-pixel, green sub-pixels and blue
Sub-pixel；The pixel includes the first sub-pixel to be determined and the second sub-pixel to be determined, and first sub-pixel to be determined is
All green sub-pixels in corresponding block, second sub-pixel to be determined are red sub-pixel all in corresponding block；
Two adjacent green sub-pixels determine that sub-pixel group, each green determine that sub-pixel group includes first as a green
Green sub-pixels and the second green sub-pixels；Two adjacent red sub-pixels are as a red judgement sub-pixel group, each
The red judgement sub-pixel group includes the first red sub-pixel and the second red sub-pixel；The driving method comprising steps of
S21: the corresponding sub-pixel signal of green sub-pixels is in turn divided into i signal judgement according to grayscale size in advance
Section, meanwhile, the corresponding sub-pixel signal of red sub-pixel is in turn divided into j signal according to grayscale size in advance and judges area
Between；Wherein, the value of i is the natural number more than or equal to 2, and is less than or equal to the maximum gray grade of the display panel；J's takes
Value is the natural number more than or equal to 2, and is less than or equal to the maximum gray grade of the display panel；
S22: executing as unit of block, calculates the of the corresponding sub-pixel signal of all green sub-pixels in corresponding block
One average value；Relatively and judge that signal locating for the first average value judges section；
S231: the signal locating for the first average value judges that section judges section or i-th of signal judgement for first signal
When section, each green is determined to the first green sub-pixels and the corresponding original sub- picture of the second green sub-pixels in sub-pixel group
The corresponding grayscale value of plain signal carry out it is average after, it is high that corresponding sub-pixel is found according to average value and preset look-up table
Voltage signal and sub-pixel low voltage signal, to drive corresponding first green sub-pixels of sub-pixel to be determined and in block
Two green sub-pixels；
S232: the signal locating for the first average value judges that section judges section and i-th of signal judgement for first signal
When signal other than section judges section, each green is determined to the first green sub-pixels and the second sub- picture of green of sub-pixel group
The corresponding original sub-pixel signal of element, is not processed, to drive the sub- picture of corresponding first green of sub-pixel to be determined in block
Element and the second green sub-pixels；
S24: executing as unit of block, calculates the of the corresponding sub-pixel signal of all red sub-pixels in corresponding block
Two average values；Relatively and judge that signal locating for the second average value judges section；
S251: the signal locating for the second average value judges that section judges section or j-th of signal judgement for first signal
When section, by each red the first red sub-pixel and the corresponding original sub- picture of the second red sub-pixel determined in sub-pixel group
The corresponding grayscale value of plain signal carry out it is average after, it is high that corresponding sub-pixel is found according to average value and preset look-up table
Voltage signal and sub-pixel low voltage signal, to drive corresponding first red sub-pixel of sub-pixel to be determined and in block
Two red sub-pixels；
S252: the signal locating for the second average value judges that section judges section and j-th of signal judgement for first signal
When signal other than section judges section, by each red the first red sub-pixel for determining sub-pixel group and the second red sub- picture
The corresponding original sub-pixel signal of element, is not processed, to drive the sub- picture of corresponding first red of sub-pixel to be determined in block
Element and the second red sub-pixel；
S26: executing two neighboring blue subpixels is one group, by the corresponding grayscale value of corresponding original sub-pixel signal
After carrying out averagely, corresponding sub-pixel high voltage signal is found according to average value and preset look-up table and sub-pixel is low
Voltage signal, to drive the corresponding two neighboring blue subpixels of sub-pixel to be determined in block；
Wherein, the corresponding sub-pixel high voltage signal of each sub-pixel group to be determined and sub-pixel low voltage signal are averaged
Grayscale is suitable with the average grayscale of corresponding two original sub-pixel signals；Sub-pixel high voltage signal and sub-pixel low-voltage
The grey scale of signal, greater than the grey scale of corresponding two original sub-pixel signals.
In the present embodiment, under the premise of not conflicting, above-mentioned each step can synchronize execution, can also successively hold
Row；For red sub-pixel and green sub-pixels, need to prejudge locating for corresponding first average value and the second average value
Signal judges section, to determine red sub-pixel and green sub-pixels granular sensation degree, the adjustment mode that then reselection is applicable in,
To improve granular sensation or colour cast；And the blue subpixels, due to the luminance difference of the not noticeable blue subpixels of human eye characteristic, because
Apparent granular sensation may be not present, select the first adjustment mode to drive so blue subpixels are fixed, to improve visual angle colour cast.
Wherein, the maximum value of i and j, the greyscale level depending on image divide, if such as the brightness of display device drawn
It is divided into 128 grades, then maximum gray grade is 128, and the maximum value of corresponding i is 128；When greyscale level is divided into 512 grades,
Then maximum gray grade is 512, and the maximum value of corresponding i is 512；Similarly, other greyscale level division modes be also can be with
's.
Wherein, the first average value is in first signal and judges that section or i-th of signal judge section, then selects first to adjust
Perfect square formula；And judge that section or i-th of signal judge the signal judgement other than section when the first average value is in first signal
When section, then selecting second adjustment mode only is one of selection, but do not represent the present invention can only make a kind of this selection.
Wherein judge that section or i-th of signal judge section close to first signal for example, the first average value can be set and be in
When 50% signal judges section, the first adjustment mode is selected；And the first average value is in remaining 50% signal and judges section
When, select second adjustment mode.Similarly, the second average value is also the same.
Even it can also be other division modes, but the first average value or the corresponding signal of the second average value judge area
Between, the wherein at least grey maximum signal of scale judges that section needs to select second adjustment mode to drive corresponding sub- picture to be determined
Element.Meanwhile the wherein at least grey the smallest signal of scale judges section, needs that the first adjustment mode is selected to drive.
Fig. 8 is a kind of drive system schematic diagram of display panel of the present invention, with reference to Fig. 8 it is found that the invention also discloses one
The drive system of kind display panel, the display panel includes multiple pixels, and each pixel includes multiple heterochromatic sub- pictures
Element；At least one of described sub-pixel is sub-pixel to be determined, and the sub-pixel to be determined that adjacent two are homochromy is as one
Sub-pixel group to be determined, each sub-pixel group to be determined includes first sub-pixel and second sub-pixel；The drive system
100 include: that the corresponding sub-pixel signal of sub-pixel to be determined is divided into the interval division mould that multiple signals judge section in advance
Block 10, i.e. interval division circuit；The place of the relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal
Manage module 20, i.e. processing circuit；The processing module 20 determines in a manner of the first adjustment or second adjustment mode drive it is to be determined
The corresponding first sub-pixel and second sub-pixel of sub-pixel.
It should be noted that the restriction for each step being related in this programme, in the premise for not influencing concrete scheme implementation
Under, it does not regard as being can be the step of making restriction to step sequencing, write on front what is first carried out, be also possible to
It executes, is possibly even performed simultaneously afterwards, as long as this programme can be implemented, all shall be regarded as belonging to protection model of the invention
It encloses.
Technical solution of the present invention can be combined application under the premise of not colliding.
Technical solution of the present invention can be widely applied to various display panels, such as twisted nematic (Twisted
Nematic, TN) display panel, plane conversion type (In-Plane Switching, IPS) display panel, vertical orientation type
(Vertical Alignment, VA) display panel, more quadrant vertical orientation type (Multi-Domain Vertical
Alignment, MVA) display panel, it is of course also possible to be other kinds of display panel, such as Organic Light Emitting Diode
(Organic Light-Emitting Diode, OLED) display panel, applicable above scheme.
The above content is combine specific optional embodiment further detailed description of the invention, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of driving method of display panel, which is characterized in that the display panel includes multiple pixels, each pixel
Including multiple heterochromatic sub-pixels；At least one of described sub-pixel is sub-pixel to be determined, adjacent two are homochromy to
Sub-pixel is determined as a sub-pixel group to be determined, and each sub-pixel group to be determined includes the first sub-pixel and the second son
Pixel；
The driving method comprising steps of
The corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance and judges section；
The relationship in section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；Determine in a manner of the first adjustment or
Second adjustment mode drives the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined；
Wherein, under the first adjustment mode and second adjustment mode, the corresponding sub-pixel letter of first sub-pixel and second sub-pixel
Number average grayscale it is suitable, grey scale is different.
2. a kind of driving method of display panel as described in claim 1, which is characterized in that described according to sub-pixel to be determined
The corresponding sub-pixel signal of group and signal judge the relationship in section；Determine in a manner of the first adjustment or second adjustment mode drive to
The step of determining sub-pixel corresponding first sub-pixel and second sub-pixel include:
Calculate the average value of the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge that signal locating for average value is sentenced
Disconnected section；The signal according to locating for average value judges section, determine in a manner of the first adjustment or second adjustment mode drive it is to be determined
The corresponding first sub-pixel and second sub-pixel of sub-pixel.
3. a kind of driving method of display panel as described in claim 1, which is characterized in that the pixel includes red sub- picture
Element, green sub-pixels and blue subpixels；
The sub-pixel to be determined includes the first sub-pixel to be determined and the second sub-pixel to be determined, the first sub- picture to be determined
Element is all green sub-pixels, and second sub-pixel to be determined is all red sub-pixels.
4. a kind of driving method of display panel as described in claim 1, which is characterized in that the pixel includes red sub- picture
Element, green sub-pixels and blue subpixels；
The sub-pixel to be determined is all red sub-pixels.
5. a kind of driving method of display panel as claimed in claim 2, which is characterized in that the display panel is according to physics
Position is adjacent to be divided into multiple blocks for pixel；
The average value for calculating the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge letter locating for average value
Number judge section；Section is judged according to locating signal, determines in a manner of the first adjustment or second adjustment mode drives son to be determined
The step of pixel corresponding first sub-pixel and second sub-pixel includes:
As unit of each block, the average value of the corresponding sub-pixel signal of all sub-pixels to be determined in corresponding block is calculated；
Relatively and judge that signal locating for average value judges section；The signal according to locating for average value judges section, determines with the first adjustment
Mode or second adjustment mode drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined in block.
6. a kind of driving method of display panel as claimed in claim 3, which is characterized in that
Pixel is divided into multiple blocks according to physical location is adjacent by the display panel；
The relationship that section is judged according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；It determines with the first adjustment side
Formula or second adjustment mode drive the step of sub-pixel to be determined corresponding first sub-pixel and second sub-pixel to include:
It executes as unit of block, calculate the corresponding sub-pixel signal of all green sub-pixels in corresponding block first is average
Value；
Relatively and judge that signal locating for the first average value judges section；Section is judged according to signal locating for the first average value, really
Determine in a manner of the first adjustment or second adjustment mode, driving correspond to the first all green sub-pixels and the second green in block
Sub-pixel；
It executes as unit of block, calculate the corresponding sub-pixel signal of all red sub-pixels in corresponding block second is average
Value；
Relatively and judge that signal locating for the second average value judges section；Section is judged according to signal locating for the second average value, really
It is fixed in a manner of the first adjustment or second adjustment mode drives corresponding the first all red sub- picture of sub-pixel to be determined in block
Element and the second red sub-pixel.
7. a kind of driving method of display panel as described in claim 1, which is characterized in that
The first adjustment mode is by the corresponding original son of first sub-pixel and second sub-pixel in each sub-pixel group to be determined
After the corresponding grayscale value of picture element signal carries out averagely, corresponding sub-pixel is found according to average value and preset look-up table
High voltage signal and sub-pixel low voltage signal, to drive corresponding first sub-pixel of sub-pixel to be determined and the second sub- picture
Element；
Second adjustment mode is by the corresponding original son of first sub-pixel and second sub-pixel in each sub-pixel group to be determined
Picture element signal is not processed, to drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
8. a kind of driving method of display panel as claimed in claim 2, which is characterized in that the signal judges that section is root
I signal, which is in turn divided into, according to the grayscale size of the sub-pixel signal of sub-pixel to be determined judges section, first signal judgement
The corresponding signal grayscale in section is minimum, and i-th of signal judges that the corresponding signal grayscale in section is maximum；
Wherein, the value of i is the natural number more than or equal to 2, and is less than or equal to the maximum gray grade of the display panel；
The signal judges that section includes starting section and closing section；The starting section is that the signal judges to lean in section
Nearly first signal judges section and judges that the signal in section judges section close to i-th of signal；The closing section is described
Signal judges to judge section far from first signal in section and judges that the signal in section judges section far from i-th of signal；
The average value for calculating the corresponding sub-pixel signal of all sub-pixels to be determined；Relatively and judge letter locating for average value
Number judge section；The signal according to locating for average value judges section, determine in a manner of the first adjustment or second adjustment mode drive to
The step of determining sub-pixel corresponding first sub-pixel and second sub-pixel include:
Relatively and judge that signal locating for average value judges section；If signal locating for average value judge section for start section,
Determination drives the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined in a manner of the first adjustment；If the locating letter of average value
Section number is judged to close section, it is determined that corresponding first sub-pixel of sub-pixel to be determined and the are driven in a manner of second adjustment
Two sub-pixels.
9. a kind of driving method of display panel, which is characterized in that the display panel includes multiple pixels；The display panel
Pixel is divided into multiple blocks according to physical location is adjacent；
Each pixel includes red sub-pixel, green sub-pixels and blue subpixels；The pixel includes first to be determined
Sub-pixel and the second sub-pixel to be determined, first sub-pixel to be determined are green sub-pixels all in corresponding block, institute
Stating the second sub-pixel to be determined is red sub-pixel all in corresponding block；
Two adjacent green sub-pixels determine that sub-pixel group, each green determine that sub-pixel group includes as a green
First green sub-pixels and the second green sub-pixels；Two adjacent red sub-pixels determine sub-pixel group as a red,
Each red judgement sub-pixel group includes the first red sub-pixel and the second red sub-pixel；
The driving method comprising steps of
The corresponding sub-pixel signal of green sub-pixels is in turn divided into i signal according to grayscale size in advance and judges section, together
When, the corresponding sub-pixel signal of red sub-pixel is in turn divided into j signal according to grayscale size in advance and judges section；Its
In, the value of i is the natural number more than or equal to 2, and is less than or equal to the maximum gray grade of the display panel；The value of j is
Natural number more than or equal to 2, and it is less than or equal to the maximum gray grade of the display panel；
It executes as unit of block, calculate the corresponding sub-pixel signal of all green sub-pixels in corresponding block first is average
Value；Relatively and judge that signal locating for the first average value judges section；
It, will when the signal locating for the first average value judges that section judges that section or i-th of signal judge section for first signal
Each green determines the first green sub-pixels and the corresponding original sub-pixel signal pair of the second green sub-pixels in sub-pixel group
After the grayscale value answered carries out averagely, corresponding sub-pixel high voltage signal is found according to average value and preset look-up table
With sub-pixel low voltage signal, to drive corresponding first green sub-pixels of sub-pixel to be determined and the second green in block
Pixel；
The signal locating for the first average value judges that section judges that section and i-th of signal judge other than section for first signal
When signal judges section, each green is determined to the first green sub-pixels and the corresponding original of the second green sub-pixels of sub-pixel group
Beginning sub-pixel signal, is not processed, to drive in block corresponding first green sub-pixels of sub-pixel to be determined and second green
Sub-pixels；
It executes as unit of block, calculate the corresponding sub-pixel signal of all red sub-pixels in corresponding block second is average
Value；Relatively and judge that signal locating for the second average value judges section；
It, will when the signal locating for the second average value judges that section judges that section or j-th of signal judge section for first signal
Each red the first red sub-pixel and the corresponding original sub-pixel signal pair of the second red sub-pixel determined in sub-pixel group
After the grayscale value answered carries out averagely, corresponding sub-pixel high voltage signal is found according to average value and preset look-up table
With sub-pixel low voltage signal, to drive corresponding first red sub-pixel of sub-pixel to be determined and the second red son in block
Pixel；
The signal locating for the second average value judges that section judges that section and j-th of signal judge other than section for first signal
When signal judges section, by each red the first red sub-pixel and the corresponding original of the second red sub-pixel for determining sub-pixel group
Beginning sub-pixel signal, is not processed, to drive in block corresponding first red sub-pixel of sub-pixel to be determined and second red
Sub-pixels；
Executing two neighboring blue subpixels is one group, and the corresponding grayscale value of corresponding original sub-pixel signal is averaged
Later, corresponding sub-pixel high voltage signal is found according to average value and preset look-up table and sub-pixel low-voltage is believed
Number, to drive the corresponding two neighboring blue subpixels of sub-pixel to be determined in block；
Wherein, the average ash of each sub-pixel group to be determined corresponding sub-pixel high voltage signal and sub-pixel low voltage signal
Rank, it is suitable with the average grayscale of corresponding two original sub-pixel signals；Sub-pixel high voltage signal and sub-pixel low-voltage letter
Number grey scale, greater than the grey scale of corresponding two original sub-pixel signals.
10. a kind of drive system of display panel, which is characterized in that the display panel includes multiple pixels, each picture
Element includes multiple heterochromatic sub-pixels；At least one of described sub-pixel is sub-pixel to be determined, what adjacent two were homochromy
For sub-pixel to be determined as a sub-pixel group to be determined, each sub-pixel group to be determined includes the first sub-pixel and second
Sub-pixel；
The drive system includes:
The corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance and judges section by interval division module；With
And
Processing module judges the relationship in section according to the corresponding sub-pixel signal of sub-pixel to be determined and signal；It determines with first
Adjustment mode or second adjustment mode drive the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107256699A (en) * | 2017-05-26 | 2017-10-17 | 惠科股份有限公司 | Pixel driving method and display device |
| CN107507585A (en) * | 2017-08-25 | 2017-12-22 | 惠科股份有限公司 | Display panel and its pixel cell precharge switching method |
| CN109285522A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Image element driving method, pixel driving device and computer equipment |
| CN109285521A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Image element driving method, pixel driving device and computer equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107256699A (en) * | 2017-05-26 | 2017-10-17 | 惠科股份有限公司 | Pixel driving method and display device |
| CN107507585A (en) * | 2017-08-25 | 2017-12-22 | 惠科股份有限公司 | Display panel and its pixel cell precharge switching method |
| CN109285522A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Image element driving method, pixel driving device and computer equipment |
| CN109285521A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Image element driving method, pixel driving device and computer equipment |
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