CN109637491A - Driving method and driving system of display panel - Google Patents
Driving method and driving system of display panel Download PDFInfo
- Publication number
- CN109637491A CN109637491A CN201910089369.7A CN201910089369A CN109637491A CN 109637491 A CN109637491 A CN 109637491A CN 201910089369 A CN201910089369 A CN 201910089369A CN 109637491 A CN109637491 A CN 109637491A
- Authority
- CN
- China
- Prior art keywords
- sub
- pixel
- signal
- pixels
- determined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 239000004744 fabric Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000035807 sensation Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a driving method and a driving system of a display panel, wherein the driving method comprises the following steps: dividing sub-pixel signals corresponding to sub-pixels to be judged into a plurality of signal judgment intervals in advance; receiving sub-pixel signals of all sub-pixels to be judged, and counting the distribution condition of the sub-pixel signals in each signal judgment interval; determining to drive a first sub-pixel and a second sub-pixel corresponding to the sub-pixel to be judged in a first adjusting mode or a second adjusting mode according to the statistical result; under the first and second adjusting modes, the average gray scale of the sub-pixel signals corresponding to the first and second sub-pixels is equivalent, and the gray scale difference is different.
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
The object of the present invention is to provide one kind to reduce the driving of the display panel of granular sensation while improving colour cast
Method and drive system.
The present invention provides 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 sub-pixel signal of all sub-pixels to be determined is received, statistics sub-pixel signal judges point in section in each signal
Cloth situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding first
Sub-pixel and the second sub-pixel；
Under the first adjustment mode and second adjustment mode, the corresponding sub-pixel signal of first sub-pixel and second sub-pixel
Average grayscale it is suitable, grey scale is different.
Optionally, the sub-pixel signal for receiving all sub-pixels to be determined counts sub-pixel signal in each signal
The step of judging the distribution situation in section include:
The sub-pixel signal of all sub-pixels to be determined is received, statistics sub-pixel signal judges the number in section in each signal
Amount accounts for the ratio of sub-pixel signal sum；
Judgement judges whether completely the sub-pixel signal in section accounts for the ratio of sub-pixel signal sum positioned at each signal respectively
The corresponding pre-set specifications ratio value of foot.
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 pixel includes red sub-pixel, green sub-pixels and blue subpixels；The sub-pixel to be determined
For all red sub-pixels.
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, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；
The sub-pixel signal for receiving all sub-pixels to be determined counts sub-pixel signal in each signal and judges section
Distribution situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding
The step of first sub-pixel and second sub-pixel includes:
As unit of each block, the sub-pixel signal of all sub-pixels to be determined is received, counts sub-pixel signal each
A signal judges that the quantity in section accounts for the ratio of sub-pixel signal sum；Judgement is located at the sub- picture that each signal judges section respectively
Whether the ratio of sub-pixel signal sum meets corresponding pre-set specifications ratio value in the block of plain signal occupied area；
If being all satisfied, it is determined that drive corresponding first sub-pixel of sub-pixel to be determined and the second son in a manner of second adjustment
Pixel；Otherwise, it determines driving the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined in a manner of the first adjustment.
Optionally, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；Described receive is owned
The sub-pixel signal of sub-pixel to be determined, statistics sub-pixel signal judge the distribution situation in section in each signal；According to statistics
As a result 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 son
The step of pixel includes:
It executes as unit of block, according to the green sub-pixels signal of green sub-pixels all in block, statistics is located at every
A signal judges the quantity of the green sub-pixels signal in section, the ratio of green sub-pixels signal sum in the block of occupied area；Sentence respectively
Whether the quantity of the disconnected green sub-pixels signal that section is judged positioned at each signal, the ratio for accounting for green sub-pixels signal sum are full
Sufficient pre-set specifications ratio value；
If being all satisfied, corresponding first sub-pixel of all green sub-pixels and in block is driven in a manner of second adjustment
Two sub-pixels；Otherwise, corresponding first sub-pixel of all green sub-pixels and the second son in block are driven in a manner of the first adjustment
Pixel；
It executes as unit of block, according to the green sub-pixels signal of red sub-pixels all in block, statistics is located at every
A signal judges the quantity of the red sub-pixel signal in section, the ratio of red sub-pixel signal sum in the block of occupied area；Sentence respectively
Break and judges the quantity of the red sub-pixel signal in section positioned at each signal, the ratio of red sub-pixel signal sum in the block of occupied area
Whether pre-set specifications ratio value is met；
If being all satisfied, corresponding first sub-pixel of all red sub-pixels and in block is driven in a manner of second adjustment
Two sub-pixels；Otherwise, corresponding first sub-pixel of all red sub-pixels and the second son in block are driven in a manner of the first adjustment
Pixel.
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, less than or equal to the maximum ash of the display panel
Rank grade.
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；The pixel includes red sub-pixel, green sub-pixels
And blue subpixels；The pixel includes the first sub-pixel to be determined and the second sub-pixel to be determined, first son to be determined
Pixel is green sub-pixels all in corresponding block, and second sub-pixel to be determined is red all in corresponding block
Pixel；Two adjacent green sub-pixels determine that sub-pixel group, each green determine sub-pixel group packet as a green
Include the first green sub-pixels and the second green sub-pixels；Two adjacent red sub-pixels are as a red judgement sub-pixel
Group, each red judgement sub-pixel group includes the first red sub-pixel and the second red sub-pixel；The driving method packet
Include step:
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, according to the green sub-pixels signal of green sub-pixels all in block, statistics is located at every
A signal judges the quantity of the green sub-pixels signal in section, the ratio of green sub-pixels signal sum in the block of occupied area；Sentence respectively
Whether the quantity of the disconnected green sub-pixels signal that section is judged positioned at each signal, the ratio for accounting for green sub-pixels signal sum are full
Sufficient pre-set specifications ratio value；
If being all satisfied, each green is determined to the first green sub-pixels and the second green sub-pixels pair in sub-pixel group
The original sub-pixel signal answered, is not processed, to drive corresponding first green sub-pixels and the second sub- picture of green in block
Element driving；Otherwise, each green is determined to the first green sub-pixels and the corresponding original of the second green sub-pixels in sub-pixel group
After the corresponding grayscale value of beginning sub-pixel signal carries out averagely, corresponding son is found according to average value and preset look-up table
Pixel high voltage signal and sub-pixel low voltage signal, to drive corresponding first green sub-pixels and the second green in block
Sub-pixel；
It executes as unit of block, according to the red sub-pixel signal of red sub-pixels all in block, statistics is located at every
A signal judges the quantity of the red sub-pixel signal in section, the ratio of red sub-pixel signal sum in the block of occupied area；Sentence respectively
Whether the quantity of the disconnected red sub-pixel signal that section is judged positioned at each signal, the ratio for accounting for red sub-pixel signal sum are full
Sufficient pre-set specifications ratio value；
If being all satisfied, by each red the first red sub-pixel and the second red sub-pixel pair determined in sub-pixel group
The original sub-pixel signal answered, is not processed, to drive corresponding first red sub-pixel and the second red sub- picture in block
Element driving；Otherwise, by each red the first red sub-pixel and the corresponding original of the second red sub-pixel determined in sub-pixel group
After the corresponding grayscale value of beginning sub-pixel signal carries out averagely, corresponding son is found according to average value and preset look-up table
Pixel high voltage signal and sub-pixel low voltage signal, to drive corresponding first red sub-pixel and the second red in block
Sub-pixel；
It executes and divides two neighboring blue subpixels into one group, by the corresponding grayscale of every group of corresponding original sub-pixel signal
After value carries out averagely, corresponding sub-pixel high voltage signal and sub-pixel are found according to average value and preset look-up table
Low voltage signal, to respectively drive corresponding two neighboring blue subpixels 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 systems, and the display panel includes multiple pixels, each pixel packet
Include multiple heterochromatic sub-pixels；At least one of described sub-pixel is sub-pixel to be determined, and adjacent two are homochromy wait sentence
For stator pixel as a sub-pixel group to be determined, each sub-pixel group to be determined includes the first sub-pixel and the second sub- picture
Element；
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 sub-pixel signal of all sub-pixels to be determined is received, counts sub-pixel signal in each signal
Judge the processing module of the distribution situation in section；The processing module determines in a manner of the first adjustment or second according to statistical result
Adjustment mode drives the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined.
Discharge switch and discharge capacity are connected relative to by the way that each pixel is divided into primary and secondary pixel, and to sub-pixel with side
Just, so that main pixel and sub-pixel have different charging voltages to improve the scheme of colour cast.In the present invention, receives and count
The corresponding sub-pixel signal of sub-pixel to be determined, the distribution situation in each signal spacing；It is adjusted the selection of mode accordingly,
The grey lesser adjustment mode of scale can be selected to drive sub- picture to be determined when the signal distributions equilibrium of current picture
Element, the distribution of signal is wide at this time, and the lesser adjustment mode of the grey scale of selection can be used at this time, can not generate serious color
While inclined, improve granular sensation；Similarly, it if current picture judges that the signal distributions in section are uneven in each signal, and is easy
When there is local colour cast, the biggish adjustment mode of grey scale can be selected to drive sub-pixel to be determined to improve color at this time
Partially；In this way, selecting adjustment mode according to the actual conditions of picture face to face, the display effect of picture can be preferably improved.
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 the first schematic diagram that pixel is divided into major/minor pixel by exemplary arrangement；
Fig. 2 is the second schematic diagram that pixel is divided into major/minor pixel by exemplary arrangement；
Fig. 3 is a kind of driving method flow chart of one embodiment of the invention；
Fig. 4 is a kind of driving method flow chart of another embodiment of the present invention；
Fig. 5 is a kind of pixel arrangement schematic diagram of display panel of one embodiment of the invention；
Fig. 6 is a kind of picture element signal driving schematic diagram of display panel of one embodiment of the invention；
Fig. 7 is a kind of driving method flow chart of another embodiment of the present invention；
Fig. 8 is a kind of drive system schematic diagram of display panel of one embodiment of the invention.
Wherein, 10, drive system；100, interval division module；200, 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 that RGB (Red, Green, Blue) each sub-pixel will be further subdivided into major/minor picture
Plain (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 original to face letter plus small voltage
Number with brightness change, PartA of the side view brightness that big voltage is seen with gray scale variation as shown in figure 1, the side view that small voltage is seen is bright
Spend the PartB with gray scale variation as shown in figure 1.Side view synthesizes the brightness seemed with gray scale variation just by the arc of two dotted lines in this way
Line segment becomes solid line arc segment, so visual angle brightness faces original signal brightness with signal intensity with signal intensity relationship is close, makes
Obtaining 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 the invention will be further described with optional embodiment.
Fig. 3 is a kind of driving method flow chart of the embodiment of the present invention, and Fig. 4 is another kind driving method stream of the embodiment of the present invention
Cheng Tu, with reference to known to Fig. 3 and Fig. 4:
The present invention also provides a kind of driving method 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 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: receiving the sub-pixel signal of all sub-pixels to be determined, counts sub-pixel signal in each signal and judges section
Distribution situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding
First sub-pixel and second sub-pixel；
Under the first adjustment mode and second adjustment mode, the corresponding sub-pixel signal of first sub-pixel and second sub-pixel
Average grayscale it is suitable, grey scale is different.
Relative to shown in Fig. 1 and Fig. 2, by the way that each pixel is divided into primary and secondary (Main/Sub) pixel, and connect to sub-pixel
Discharge switch and discharge capacity are connect with convenient, so that main pixel and sub-pixel have different charging voltages to improve colour cast
Scheme.In the present invention, the corresponding sub-pixel signal of sub-pixel to be determined, the distribution feelings in each signal spacing are received and counted
Condition；It is adjusted the selection of mode accordingly, grey scale can be selected lesser when the signal distributions equilibrium of current picture
Adjustment mode drives sub-pixel to be determined, and the distribution of signal is wide at this time, and the lesser adjustment of the grey scale of selection can be used at this time
Mode can improve granular sensation while not generating serious colour cast；Similarly, if current picture judges in each signal
The signal distributions in section are uneven, and when be easy to appear local colour cast, the biggish adjustment mode of grey scale can be selected at this time
To drive sub-pixel to be determined to improve colour cast；In this way, adjustment mode is selected according to the actual conditions of picture face to face, it can be preferable
Raising picture display effect.
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 sub-pixel signal for receiving all sub-pixels to be determined counts sub-pixel signal each
A signal judges that the step S12 of the distribution situation in section includes:
The sub-pixel signal of all sub-pixels to be determined is received, statistics sub-pixel signal judges the number in section in each signal
Amount accounts for the ratio of sub-pixel signal sum；
Judgement judges whether completely the sub-pixel signal in section accounts for the ratio of sub-pixel signal sum positioned at each signal respectively
The corresponding pre-set specifications ratio value of foot.In the present embodiment, the sub-pixel signal that section is judged positioned at each signal is calculated
Quantity the case where accounting for the ratio of average value sum, can more intuitively showing signal distributions, to help to select more applicable tune
Perfect square formula；In addition, the setting of the pre-set specifications ratio value judges the quantity hook in section with the signal of division, and signal judges area
Between negligible amounts when, pre-set specifications ratio value can be arranged slightly larger；And signal is when judging that the quantity in section is more, pre-set specifications ratio
Example value is then arranged slightly smaller, such as when signal judges the quantity in section for 3, three signals judge the pre-set specifications ratio value in section
It can be adjusted according to the actual situation for Gth1=Gth2=Gth3=30% it is of course also possible to which Set scale is different.
Wherein, the pre-set specifications ratio value can also be calculated one according to the sum and ratio of sub-pixel to be determined
Then when actual count without calculating ratio value, and numerical threshold is arranged in a specific quantity, is calculated with saving
Amount.
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 first sub-pixel and second sub-pixel in each sub-pixel group to be determined
Corresponding original sub-pixel signal, is not processed, to drive corresponding first sub-pixel of sub-pixel to be determined and the second sub- picture
Element.In the present embodiment, under the first adjustment mode, in the first sub-pixel and the second sub- picture of the same sub-pixel group to be determined
Element realizes the presentation of a brightness using sub-pixel high voltage signal and sub-pixel low voltage signal, can preferably improve
Colour cast；And under second adjustment mode, the corresponding original of first sub-pixel and second sub-pixel of the same sub-pixel group to be determined
The grey scale of beginning sub-pixel signal is smaller, can significantly improve granular sensation；Different adjustment modes is selected according to different situations
Sub-pixel to be determined is driven, can effectively promote display effect.
Rule of judgment of the invention is not unalterable, but is changed as the design requirement of display panel is different
Become, a kind of existing embodiment of concrete example is preferably to illustrate the solution of the present invention, wherein the relevant look-up table of embodiment
Corresponding relationship is only used as example to facilitate understanding, is not construed as limiting the invention, as long as meeting technical solution of the present invention, all
It should be included in protection scope of the present invention, specific look-up table is as follows:
As shown in table 1, red sub-pixel, the sub-pixel signal of corresponding first sub-pixel and second sub-pixel signal are put down
Mean value Rave, following (unit in table is with the corresponding relationship of sub-pixel high voltage signal RH and sub-pixel low voltage signal RL
Grayscale):
1 red sub-pixel look-up table of table
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
Certainly, look-up table shown in Tables 1 and 2 is that an illustrative look-up table with clearer illustrates the present invention,
But it does not represent, look-up table of the invention can only use above-mentioned look-up table；By taking Rave is equal to 50 as an example, in the first driving method
Under, the grayscale of the corresponding sub-pixel signal of first sub-pixel and second sub-pixel can be 100 and 3, be also possible to 90 and 13, root
Depending on actual demand.
Wherein, when the grey scale of red sub-pixel corresponding RH and RL is larger than green sub-pixels corresponding GH's and GL
When grey scale, sub-pixel to be determined only can be set by red sub-pixel, certainly, if green sub-pixels are arranged in other panels
Grey scale it is larger, then also can be set green sub-pixels be sub-pixel to be determined.Certainly, while by red sub-pixel and green
It is also possible that sub-pixel is set as sub-pixel to be determined.
Fig. 5 is a kind of pixel arrangement schematic diagram of display panel of the embodiment of the present invention, and Fig. 6 is that one kind of the embodiment of the present invention is aobvious
Show the picture element signal driving schematic diagram of panel, with reference to Fig. 5 and Fig. 6, according to Fig. 3 and Fig. 4: dashed box shown in fig. 5 is corresponding
R1,1, G1,1 and B1,1 are a pixel unit；Also, it as shown in the figure include that n row and m are arranged and amounted to n*m pixel unit, this
N*m pixel unit can be the pixel quantity of entire display panel, be also possible to the pixel quantity of one of block.And scheme
Corresponding one group of corresponding first sub-pixel to be determined of dashed box shown in 6 and the second sub-pixel to be determined, two corresponding to be determined
The physical location of sub-pixel is adjacent, to realize the presentation of an average grayscale.Wherein, blue subpixels can be all using grayscale
Difference big adjustment mode drives.
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, the sub-pixel that a kind of color is only arranged is sub-pixel to be determined, and remaining sub-pixel is then fitted
It is driven with second adjustment mode to improve colour cast；With reference to Tables 1 and 2, wherein the luminance difference of red sub-pixel is greater than green
Sub-pixel, so setting red sub-pixel is sub-pixel to be determined preferably to improve colour cast and granular sensation；Certainly, it sets at other
In the display panel of meter demand, which may be set to be green sub-pixels, in general, selecting grey scale maximum
A sub-pixel be sub-pixel to be determined.Certainly, remaining two sub-pixel is without judgement, and defaults and use second adjustment side
Formula driving is also possible preferably to improve granular sensation.
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, when red sub-pixel and larger green sub-pixels luminance difference, human eye can be more sensitive
Feel granular sensation, thus, using red sub-pixel and green sub-pixels as sub-pixel to be determined, two sub-pixels respectively into
Row statistics calculate and judge to select more applicable adjustment mode, so set, can preferably according to red sub-pixel with
The signal condition of green sub-pixels itself is adjusted the selection of mode, to improve colour cast and granular sensation.
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.It is to be determined alternatively, it is also possible to be both configured to red sub-pixel, green sub-pixels and blue subpixels
Sub-pixel, as long as but blue subpixels are big in the grey scale of corresponding sub-pixel high voltage signal and sub-pixel low voltage signal
When 100 grayscale, the first adjustment mode is just selected to drive blue subpixels.
In one embodiment, pixel is divided into multiple blocks according to physical location is adjacent by the display panel；It is described to connect
The sub-pixel signal of all sub-pixels to be determined is received, statistics sub-pixel signal judges the distribution situation in section in each signal；Root
According to statistics result determine in a manner of the first adjustment or second adjustment mode drive corresponding first sub-pixel of sub-pixel to be determined and
The step S12 of second sub-pixel includes:
S121: as unit of each block, the sub-pixel signal of all sub-pixels to be determined is received, counts sub-pixel signal
Judge that the quantity in section accounts for the ratio of sub-pixel signal sum in each signal；
S122: judgement judges sub-pixel signal sum in the sub-pixel signal occupied area block in section positioned at each signal respectively
Whether ratio meets corresponding pre-set specifications ratio value；
S123: if being all satisfied, it is determined that driven in a manner of second adjustment corresponding first sub-pixel of sub-pixel to be determined and
Second sub-pixel；Otherwise, it determines driving corresponding first sub-pixel of sub-pixel to be determined and the second sub- picture in a manner of the first adjustment
Element.
In the present embodiment, all pixels are divided into multiple blocks, red of each block according to physical location
Pixel and green sub-pixels point are independent to calculate and judge to select applicable adjustment side separately as a sub-pixel to be determined
Formula, so set, preferably can select to change according to the actual distribution situation of red sub-pixel in block or green sub-pixels
Kind colour cast or granular sensation are conducive to 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, and so on 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；
The sub-pixel signal for receiving all sub-pixels to be determined counts sub-pixel signal in each signal and judges section
Distribution situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding
The step of first sub-pixel and second sub-pixel includes:
It executes as unit of block, according to the green sub-pixels signal of green sub-pixels all in block, statistics is located at every
A signal judges the quantity of the green sub-pixels signal in section, the ratio of green sub-pixels signal sum in the block of occupied area；Sentence respectively
Whether the quantity of the disconnected green sub-pixels signal that section is judged positioned at each signal, the ratio for accounting for green sub-pixels signal sum are full
Sufficient pre-set specifications ratio value；
If being all satisfied, corresponding first sub-pixel of all green sub-pixels and in block is driven in a manner of second adjustment
Two sub-pixels；Otherwise, corresponding first sub-pixel of all green sub-pixels and the second son in block are driven in a manner of the first adjustment
Pixel；
It executes as unit of block, according to the green sub-pixels signal of red sub-pixels all in block, statistics is located at every
A signal judges the quantity of the red sub-pixel signal in section, the ratio of red sub-pixel signal sum in the block of occupied area；Sentence respectively
Break and judges the quantity of the red sub-pixel signal in section positioned at each signal, the ratio of red sub-pixel signal sum in the block of occupied area
Whether pre-set specifications ratio value is met；
If being all satisfied, corresponding first sub-pixel of all red sub-pixels and in block is driven in a manner of second adjustment
Two sub-pixels；Otherwise, corresponding first sub-pixel of all red sub-pixels and the second son in block are driven in a manner of the first adjustment
Pixel.
In the present embodiment, respectively as unit of block, carry out red sub-pixel independently and green sub-pixels
It calculates and judges to select applicable adjustment mode, in this way, can targetedly improve colour cast and granular sensation, improve display matter
Amount.
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, less than or equal to the maximum gray grade of the display panel.
In the present embodiment, signal judges that section is successively divided according to the signal grayscale size of sub-pixel signal,
Wherein, when signal judges the average value of the corresponding sub-pixel signal in section, when corresponding to close to 0 grayscale and 255 grayscale, sub-pixel is high
The grey scale of voltage signal and sub-pixel low voltage signal is small, and granular sensation will not be it is obvious that the corresponding sub-pixel to be determined of driving
The first adjustment mode can be selected, so operates, colour cast can be improved without bringing obvious granular sensation；And signal judges section
It is corresponding close to intermediate grayscale, such as when close to 50 grayscale, granular sensation is it is obvious that at this point, the corresponding sub-pixel to be determined of driving can
Come in a manner of the first adjustment preferably to improve granular sensation to select.
Wherein, different according to the design requirement of display panel, it is different may to be provided with grey scale for corresponding same average value
Sub-pixel high voltage signal and sub-pixel low voltage signal, thus judgment step of the invention be also it is different according to display panel and
Corresponding adjustment；As reference, if signal judges the corresponding sub-pixel high voltage signal in section and sub-pixel low-voltage letter
Number grey scale be greater than 50 or luminance difference be greater than 50 nit when, second adjustment mode can be used drive it is corresponding to
Determine sub-pixel；Conversely, if signal judges the grayscale of section corresponding sub-pixel high voltage signal and sub-pixel low voltage signal
It is corresponding to drive that the first adjustment mode then can be used less than or equal to 50 or when luminance difference is less than or equal to 50 nit in difference
Sub-pixel to be determined.
Fig. 7 is another driving method flow chart of the embodiment of the present invention, with reference to Fig. 7, according to Fig. 3 to Fig. 6:
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；
The 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 sub-pixel group as a green
Including the first green sub-pixels and the second green sub-pixels；Two adjacent red sub-pixels are as a red judgement sub-pixel
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
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, according to the green sub-pixels signal of green sub-pixels all in block, counts position
The quantity of the green sub-pixels signal in section is judged in each signal, the ratio of green sub-pixels signal sum in the block of occupied area；Point
The quantity that each signal judges the green sub-pixels signal in section Pan Duan be located at, the ratio for accounting for green sub-pixels signal sum is
It is no to meet pre-set specifications ratio value；
S231: if being all satisfied, each green is determined to the first green sub-pixels and the second green in sub-pixel group
The corresponding original sub-pixel signal of pixel, is not processed, to drive in block corresponding first green sub-pixels and second green
Sub-pixels driving；
S232: otherwise, each green is determined to the first green sub-pixels and the second green sub-pixels pair in sub-pixel group
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 green sub-pixels and in block
Two green sub-pixels；
S24: executing as unit of block, according to the red sub-pixel signal of red sub-pixels all in block, counts position
The quantity of the red sub-pixel signal in section is judged in each signal, the ratio of red sub-pixel signal sum in the block of occupied area；Point
The quantity that each signal judges the red sub-pixel signal in section Pan Duan be located at, the ratio for accounting for red sub-pixel signal sum is
It is no to meet pre-set specifications ratio value；
S251: if being all satisfied, by each red the first red sub-pixel determined in sub-pixel group and the second red son
The corresponding original sub-pixel signal of pixel, is not processed, to drive in block corresponding first red sub-pixel and second red
Sub-pixels driving；
S252: otherwise, by each red the first red sub-pixel and the second red sub-pixel pair determined in sub-pixel group
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 red sub-pixel and in block
Two red sub-pixels；
S26: executing and divide two neighboring blue subpixels into one group, and every group of corresponding original sub-pixel signal is corresponding
After grayscale value carries out averagely, corresponding sub-pixel high voltage signal and son are found according to average value and preset look-up table
Pixel low voltage signal, to respectively drive corresponding two neighboring blue subpixels 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.
Wherein, under the premise of not conflicting, above-mentioned step can synchronize execution, can also execute in sequence.Certainly
According to the difference of display panel, decision condition of the invention is also different, but the wherein at least grey maximum signal of scale judges area
Between need to select second adjustment mode to drive corresponding sub-pixel to be determined.Meanwhile the wherein at least grey the smallest signal of scale
Judge section, needs that the first adjustment mode is selected to drive.
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.
Fig. 8 is a kind of drive system schematic diagram of display panel of the embodiment of the present invention, with reference to known to Fig. 8:
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 10 includes: interval division module 100, i.e. interval division circuit, the interval division module 100
The corresponding sub-pixel signal of sub-pixel to be determined is divided into multiple signals in advance and judges section；And processing module 200, that is, locate
Circuit is managed, the processing module 200 receives the sub-pixel signal of all sub-pixels to be determined, counts sub-pixel signal in each letter
Number judge the distribution situation in section；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives son to be determined
The corresponding first sub-pixel and second sub-pixel of 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 a further detailed description of the present invention in conjunction with specific preferred embodiments, 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 sub-pixel signal of all sub-pixels to be determined is received, statistics sub-pixel signal judges the distribution feelings in section in each signal
Condition；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives the corresponding first sub- picture of sub-pixel to be determined
Element and the second sub-pixel；
Under the first adjustment mode and second adjustment mode, the corresponding sub-pixel signal of first sub-pixel and second sub-pixel is put down
Equal grayscale is suitable, and grey scale is different.
2. a kind of driving method of display panel as described in claim 1, which is characterized in that
The sub-pixel signal for receiving all sub-pixels to be determined, statistics sub-pixel signal judge point in section in each signal
The step of cloth situation includes:
The sub-pixel signal of all sub-pixels to be determined is received, sub-pixel signal is counted in each signal and judges that the quantity in section accounts for
The ratio of sub-pixel signal sum；
Judgement respectively is located at each signal and judges that the sub-pixel signal in section accounts for the ratio of sub-pixel signal sum and whether meets pair
The pre-set specifications ratio value answered.
3. 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.
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 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.
6. a kind of driving method of display panel as described in claim 1, which is characterized in that the display panel is according to physics
Position is adjacent to be divided into multiple blocks for pixel；
The sub-pixel signal for receiving all sub-pixels to be determined, statistics sub-pixel signal judge point in section in each signal
Cloth situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding first
The step of sub-pixel and the second sub-pixel includes:
As unit of each block, the sub-pixel signal of all sub-pixels to be determined is received, counts sub-pixel signal in each letter
Number judge that the quantity in section accounts for the ratio of sub-pixel signal sum；Judgement is located at the sub-pixel letter that each signal judges section respectively
Whether the ratio of sub-pixel signal sum meets corresponding pre-set specifications ratio value in number occupied area block；
If being all satisfied, it is determined that drive corresponding first sub-pixel of sub-pixel to be determined and the second sub- picture in a manner of second adjustment
Element；Otherwise, it determines driving the corresponding first sub-pixel and second sub-pixel of sub-pixel to be determined in a manner of the first adjustment.
7. a kind of driving method of display panel as claimed in claim 5, which is characterized in that the display panel is according to physics
Position is adjacent to be divided into multiple blocks for pixel；
The sub-pixel signal for receiving all sub-pixels to be determined, statistics sub-pixel signal judge point in section in each signal
Cloth situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding first
The step of sub-pixel and the second sub-pixel includes:
It executes as unit of block, according to the green sub-pixels signal of green sub-pixels all in block, statistics is located at each letter
Number judge the quantity of the green sub-pixels signal in section, the ratio of green sub-pixels signal sum in the block of occupied area；Position is judged respectively
Judge the quantity of the green sub-pixels signal in section in each signal, account for green sub-pixels signal sum ratio whether meet it is pre-
If specification ratio value；
If being all satisfied, corresponding first sub-pixel of all green sub-pixels and the second son in block are driven in a manner of second adjustment
Pixel；Otherwise, the corresponding first sub-pixel and second sub-pixel of all green sub-pixels in block are driven in a manner of the first adjustment；
It executes as unit of block, according to the green sub-pixels signal of red sub-pixels all in block, statistics is located at each letter
Number judge the quantity of the red sub-pixel signal in section, the ratio of red sub-pixel signal sum in the block of occupied area；Position is judged respectively
The quantity of the red sub-pixel signal in section is judged in each signal, and whether is the ratio of red sub-pixel signal sum in the block of occupied area
Meet pre-set specifications ratio value；
If being all satisfied, corresponding first sub-pixel of all red sub-pixels and the second son in block are driven in a manner of second adjustment
Pixel；Otherwise, the corresponding first sub-pixel and second sub-pixel of all red sub-pixels in block are driven in a manner of the first adjustment.
8. a kind of driving method of display panel as described in claim 1, 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, less than or equal to the maximum gray grade of the display panel.
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；
The pixel includes red sub-pixel, green sub-pixels and blue subpixels；The pixel includes the first sub- picture to be determined
Element and the second sub-pixel to be determined, first sub-pixel to be determined be all green sub-pixels in correspondence block, described the
Two sub-pixels 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 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, according to the green sub-pixels signal of green sub-pixels all in block, statistics is located at each letter
Number judge the quantity of the green sub-pixels signal in section, the ratio of green sub-pixels signal sum in the block of occupied area；Position is judged respectively
Judge the quantity of the green sub-pixels signal in section in each signal, account for green sub-pixels signal sum ratio whether meet it is pre-
If specification ratio value；
It is if being all satisfied, each green the first green sub-pixels determined in sub-pixel group and the second green sub-pixels are corresponding
Original sub-pixel signal, is not processed, to drive corresponding first green sub-pixels and the second green sub-pixels in block to drive
It is dynamic；Otherwise, each green is determined to the first green sub-pixels and the corresponding original son of the second green sub-pixels in sub-pixel group
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 green sub-pixels and the second sub- picture of green in block
Element；
It executes as unit of block, according to the red sub-pixel signal of red sub-pixels all in block, statistics is located at each letter
Number judge the quantity of the red sub-pixel signal in section, the ratio of red sub-pixel signal sum in the block of occupied area；Position is judged respectively
Judge the quantity of the red sub-pixel signal in section in each signal, account for red sub-pixel signal sum ratio whether meet it is pre-
If specification ratio value；
It is if being all satisfied, each red the first red sub-pixel determined in sub-pixel group and the second red sub-pixel is corresponding
Original sub-pixel signal, is not processed, to drive corresponding first red sub-pixel and the second red sub-pixel in block to drive
It is dynamic；Otherwise, by each red the first red sub-pixel and the corresponding original son of the second red sub-pixel determined in sub-pixel group
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 red sub-pixel and the second red sub- picture in block
Element；
Execute and divide two neighboring blue subpixels into one group, by the corresponding grayscale value of every group of corresponding original sub-pixel signal into
After row is average, corresponding sub-pixel high voltage signal and the low electricity of sub-pixel are found according to average value and preset look-up table
Signal is pressed, to respectively drive corresponding two neighboring blue subpixels 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；
Processing module receives the sub-pixel signal of all sub-pixels to be determined, counts sub-pixel signal in each signal and judges area
Between distribution situation；It is determined in a manner of the first adjustment according to statistical result or second adjustment mode drives sub-pixel to be determined corresponding
First sub-pixel and second sub-pixel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089369.7A CN109637491B (en) | 2019-01-30 | 2019-01-30 | Driving method and driving system of display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089369.7A CN109637491B (en) | 2019-01-30 | 2019-01-30 | Driving method and driving system of display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637491A true CN109637491A (en) | 2019-04-16 |
| CN109637491B CN109637491B (en) | 2021-01-08 |
Family
ID=66062726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910089369.7A Active CN109637491B (en) | 2019-01-30 | 2019-01-30 | Driving method and driving system of display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637491B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120105500A1 (en) * | 2010-11-02 | 2012-05-03 | Wu Meng-Ju | Pixel-driving circuit |
| CN104485077A (en) * | 2014-12-16 | 2015-04-01 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and driving method thereof |
| CN107154240A (en) * | 2016-12-20 | 2017-09-12 | 惠科股份有限公司 | Liquid crystal display device and driving method of liquid crystal display panel thereof |
| CN109285521A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Pixel driving method, pixel driving device and computer equipment |
| CN109285520A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | pixel driving method and pixel driving device |
| CN109285522A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Pixel driving method, pixel driving device and computer equipment |
-
2019
- 2019-01-30 CN CN201910089369.7A patent/CN109637491B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120105500A1 (en) * | 2010-11-02 | 2012-05-03 | Wu Meng-Ju | Pixel-driving circuit |
| CN104485077A (en) * | 2014-12-16 | 2015-04-01 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and driving method thereof |
| CN107154240A (en) * | 2016-12-20 | 2017-09-12 | 惠科股份有限公司 | Liquid crystal display device and driving method of liquid crystal display panel thereof |
| CN109285521A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Pixel driving method, pixel driving device and computer equipment |
| CN109285520A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | pixel driving method and pixel driving device |
| CN109285522A (en) * | 2018-11-20 | 2019-01-29 | 惠科股份有限公司 | Pixel driving method, pixel driving device and computer equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109637491B (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102057420B (en) | Backlight device and display device | |
| US11308845B2 (en) | Display panel drive method and device | |
| KR101796718B1 (en) | Dynamic dimming led backlight | |
| US8766905B2 (en) | Backlight device having a light emitting diode driving part and liquid crystal displaying device using the backlight device | |
| US11322103B2 (en) | Driving method and driving device of display panel and display device | |
| WO2020093499A1 (en) | Display panel driving method and driving device, and display device | |
| CN112700751B (en) | Display method and electronic equipment | |
| KR20090001226A (en) | Display apparatus and driving method thereof | |
| KR20170058992A (en) | Liquid crystal panel and pixel unit setting method thereof | |
| CN106531103A (en) | Driving method and device of liquid crystal display and liquid crystal display | |
| US10777152B2 (en) | Driving method and driving device for display panel, and display device | |
| CN109256100A (en) | Driving method and driving system of display panel | |
| CN109637489A (en) | Driving method and driving system of display panel | |
| CN109637490A (en) | Driving method and driving system of display panel | |
| CN109754768A (en) | Driving method and driving system of display panel | |
| CN109637491A (en) | Driving method and driving system of display panel | |
| CN114937430B (en) | Dynamic switching method of driving mode of display device and display device | |
| CN106531102B (en) | Driving method and device of liquid crystal display and liquid crystal display | |
| CN110010087A (en) | A kind of driving method of display panel, drive system and display device | |
| CN109741713A (en) | Driving method and driving system of display panel | |
| US10395608B2 (en) | Method and device for improving LCD large viewing angle display effect | |
| CN109599074A (en) | Driving method and driving system of display panel | |
| CN109859708A (en) | Driving method and driving system of display panel | |
| CN109859706A (en) | Driving method and driving system of display panel | |
| CN110136662A (en) | Driving method and driving system of display panel and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |