CN109616072A - Display panel driving method and display device - Google Patents
Display panel driving method and display device Download PDFInfo
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- CN109616072A CN109616072A CN201910097744.2A CN201910097744A CN109616072A CN 109616072 A CN109616072 A CN 109616072A CN 201910097744 A CN201910097744 A CN 201910097744A CN 109616072 A CN109616072 A CN 109616072A
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- 238000000034 method Methods 0.000 title claims abstract description 74
- 238000010586 diagram Methods 0.000 description 24
- 239000004973 liquid crystal related substance Substances 0.000 description 12
- 238000004891 communication Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 101100102598 Mus musculus Vgll2 gene Proteins 0.000 description 2
- 102100023478 Transcription cofactor vestigial-like protein 1 Human genes 0.000 description 2
- 101710176146 Transcription cofactor vestigial-like protein 1 Proteins 0.000 description 2
- 102100023477 Transcription cofactor vestigial-like protein 2 Human genes 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function 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
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- Crystallography & Structural Chemistry (AREA)
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- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The application discloses a driving method of a display panel and a display device, wherein the method comprises the following steps: setting the on-time of the first preset scanning driving signal to be smaller than the on-time of the second preset scanning driving signal; driving odd-numbered columns of pixel units in a first row of pixel units and even-numbered columns of pixel units in an adjacent row of pixel units by adopting the first preset scanning driving signal; and driving the even-numbered pixel units in the first row of pixel units and the odd-numbered pixel units in the adjacent row of pixel units by adopting the second preset scanning driving signal, and driving the two adjacent sub-pixels in the same row in the pixel units by adopting the same preset data driving signal. The application makes the duration of switching on of two scanning drive signals have the difference, makes the charging capacity of the pixel unit on two scanning drive signals different, realizes that adjacent pixel unit adopts the drive mode of high-low voltage alternate arrangement to drive to reach the purpose of reducing colour cast.
Description
Technical field
This application involves technical field of liquid crystal display more particularly to the driving methods and display equipment of display panel.
Background technique
Here statement only provides background information related with the application, without inevitably constituting the prior art.
Existing large scale liquid crystal display panel is minus vertical arrangement (Vertical Alignment, VA) liquid crystal mostly
Or plane conversion (In-Plane Switching, IPS) liquid crystal, VA liquid crystal technology is compared with IPS liquid crystal technology can
With discovery, VA liquid crystal technology production efficiency with higher and lower manufacturing cost, but in the performance of optical property
It is worse than IPS liquid crystal technology, there is more apparent optical property defect, especially when being suitable for large-sized display panel,
In order to improve the colour cast problem of VA liquid crystal, sub-pixel is divided in one embodiment, is divided into main pixel and sub-pixel, this kind
Need to design metal routing or thin film transistor (TFT) (Thin Film Transistor, TFT) again when being divided in design pixel
For element to drive sub-pixel, this will cause light-permeable open region sacrifice, and then influence the saturating rate of panel.
Therefore, existing colour cast settling mode can not improve color offset phenomenon due to will affect the saturating rate of panel well.
Summary of the invention
The main purpose of the application is to propose the driving method of display panel and display equipment, it is intended to it is saturating not influence panel
Color offset phenomenon is effectively improved when rate.
To achieve the above object, the application provides a kind of driving method of display panel, and the display panel includes display
Array, the array of display include the pixel unit being arranged in array；The driving method of the display panel includes:
The first default scanning drive signal, the second default scanning drive signal and preset data driving signal are obtained,
In, the conducting duration of the first default scanning drive signal is less than the conducting duration of the described second default scanning drive signal；
To scan through two adjacent row pixel units as drive cycle, by the first row pixel unit in the drive cycle
In odd column pixel unit and adjacent one-row pixels unit in even column pixels unit driven using the described first default scanning
Dynamic signal is driven；
To in the first row pixel unit in the drive cycle even column pixels unit and adjacent one-row pixels unit
In odd column pixel unit driven using the described second default scanning drive signal；And
Two adjacent subpixels of same column in the pixel unit are driven using same preset data driving signal.
Optionally, acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data
Before driving signal, the method also includes:
The first default scanning drive signal in scanning colleague's pixel unit is used with the second default scanning drive signal
The mode of interspersed arrangement is configured.
Optionally, acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data
Before driving signal, the method also includes:
By in the first row pixel unit in the drive cycle odd column pixel unit and adjacent one-row pixels unit
In even column pixels units shared described in the first default scanning drive signal driven；And
To in the first row pixel unit in the drive cycle even column pixels unit and adjacent one-row pixels unit
In odd column pixel units shared described in the second default scanning drive signal driven.
Optionally, acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data
Before driving signal, the method also includes:
The history driving signal for obtaining two adjacent subpixels of same column, sets institute for the preset data driving signal
State the average value of history driving signal.
Optionally, acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data
After driving signal, the method also includes:
Reverse signal is received, according to the reverse signal by the first default scanning drive signal, the second default turntable driving
Signal and preset data driving signal are inverted, and after the default scanning drive signal of first after being inverted, reversion
Preset data driving signal after two default scanning drive signals and reversion, so that the first default scanning after the reversion is driven
The conducting duration of dynamic signal is greater than the conducting duration of the second default scanning drive signal after the reversion.
Optionally, acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data
Before driving signal, the method also includes:
By in the described first default scanning drive signal high voltage drive signal and the second default turntable driving
High voltage drive signal in signal is driven using different driving voltages；And
By in the described first default scanning drive signal low voltage drive signal and the second default turntable driving
Signal low voltage drive signal is driven using different driving voltages.
Optionally, acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data
Before driving signal, the method also includes:
The polarity of colleague and two adjacent subpixels of same column are set as opposite polarity, to the son of the colleague and same column
Pixel is driven using the driving method of dot inversion；Or
The polarity of two adjacent subpixels of colleague is set as opposite polarity, and by two adjacent subpixels of same column
Polarity be set as identical polarity, the sub-pixel of sub-pixel and same column to the colleague is carried out using the driving method of column inversion
Driving.
Optionally, the pixel unit includes the first pixel unit and the second pixel unit；
Acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data driving signal
Before, the method also includes:
First pixel unit and the second pixel unit are arranged alternately in a column direction, wherein first pixel
Unit includes sequential red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels on line direction, the second picture
Plain unit includes sequential blue subpixels, white sub-pixels, red sub-pixel and green sub-pixels on line direction.
In addition, to achieve the above object, the application also proposes a kind of driving method of display panel, the display panel packet
Array of display is included, the array of display includes the pixel unit being arranged in array；The driving method of the display panel includes:
Obtain the first default scanning drive signal, the second default scanning drive signal and preset data driving signal, institute
The conducting duration for stating the first default scanning drive signal is less than the conducting duration of the described second default scanning drive signal, so that institute
It states the first default scanning drive signal and is less than described second corresponding to the driving time of the preset data driving signal and default sweep
Retouch the driving time that driving signal corresponds to the preset data driving signal；
The first default scanning drive signal in scanning colleague's pixel unit is used with the second default scanning drive signal
The mode of interspersed arrangement is configured, so that colleague's pixel unit shares the described first default scanning drive signal and second and presets
Scanning drive signal；
To scan through two adjacent row pixel units as drive cycle, by the first row pixel unit in the drive cycle
In odd column pixel unit and adjacent one-row pixels unit in even column pixels unit driven using the described first default scanning
Dynamic signal is driven；
To in the first row pixel unit in the drive cycle even column pixels unit and adjacent one-row pixels unit
In odd column pixel unit driven using the described second default scanning drive signal；And
Two adjacent subpixels of same column in the pixel unit are driven using same preset data driving signal.
In addition, to achieve the above object, the application also proposes a kind of display equipment, and the display equipment includes: display surface
Plate, memory, processor and the driving journey for being stored in the display panel that can be run on the memory and on the processor
Sequence, the display panel include array of display, and the array of display includes the pixel unit being arranged in array, the display panel
Driver deployment be the step of realizing the driving method of display panel as described above.
The application is driven by obtaining the first default scanning drive signal, the second default scanning drive signal and preset data
Dynamic signal, wherein the conducting duration of the first default scanning drive signal is less than the described second default scanning drive signal
Duration is connected；It will be in the odd column pixel unit and adjacent one-row pixels unit in the first row pixel unit in drive cycle
Even column pixels unit is driven using the described first default scanning drive signal；To the even column in the first row pixel unit
Odd column pixel unit in pixel unit and adjacent one-row pixels unit is carried out using the described second default scanning drive signal
Driving；And two adjacent subpixels of same column in the pixel unit are driven using same preset data driving signal
It is dynamic, so that the conducting duration of two scanning drive signals be made to have differences, make the pixel unit in two scanning drive signals
Charging ability is different, realizes that adjacent pixel unit is driven using the driving method of the interspersed arrangement of high-low voltage, to reach
Reduce the purpose of colour cast.
Detailed description of the invention
Fig. 1 is the display device structure schematic diagram for the hardware running environment that the embodiment of the present application scheme is related to；
Fig. 2 a is the structural schematic diagram of exemplary one embodiment of array of display；
Fig. 2 b is the driver' s timing schematic diagram of exemplary array of display；
Fig. 3 a is the structural schematic diagram of one embodiment of the application array of display；
Fig. 3 b is the driver' s timing schematic diagram of one embodiment of the application array of display；
Fig. 4 is the flow diagram of one embodiment of driving method of the application display panel；
Fig. 5 is the driver' s timing schematic diagram of another embodiment of the application array of display；
Fig. 6 a is the structural schematic diagram of another embodiment of the application array of display；
Fig. 6 b is the driver' s timing schematic diagram of another embodiment of the application array of display；
Fig. 7 is the structural schematic diagram of another embodiment of the application array of display；
Fig. 8 is the structural schematic diagram of another embodiment of the application array of display；
Fig. 9 is the structural schematic diagram that the application shows one embodiment of equipment.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the application, it is not used to limit the application.
Referring to Fig.1, Fig. 1 is the display panel structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to.
As shown in Figure 1, the display panel may include: processor 1001, such as CPU, communication bus 1002, user interface
1003, network interface 1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include that the wired of standard connects
Mouth, wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device, the display panel 1006 can be liquid crystal display panel, can also can realize same or similar function for other
The display panel of energy.
It will be understood by those skilled in the art that display panel structure shown in Fig. 1 does not constitute the limit to display panel
It is fixed, it may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
As shown in Figure 1, as may include operating system, network communication mould in a kind of memory 1005 of storage medium
The driver of block, Subscriber Interface Module SIM and display panel.
In display panel shown in Fig. 1, network interface 1004 is mainly used for connecting network, and it is logical to carry out data with internet
Letter；User interface 1003 is mainly used for connecting user terminal, carries out data communication with terminal；The invention shows panels to pass through processing
Device 1001 calls the driver of the display panel stored in memory 1005 and executes the driving method of display panel.
Based on above-mentioned hardware configuration, propose that the invention shows the driving method embodiments of panel.
It is the structural schematic diagram of exemplary array of display referring to Fig. 2 a, it is logical that stoste LCD panel designs scanning drive signal
Same a line sub-pixel, and the driver' s timing schematic diagram of each row scanning drive signal such as exemplary array of display of attached drawing 2b are crossed,
Middle Vg1, Vg2, Vg3 etc. indicate that the driving voltage of each row scanning drive signal is identical, and scanning drive signal is relative to data-driven
Corresponding relative timing and overlapping time are all the same on signal sequence, therefore each sub-pixel has identical charging ability.To solve
Colour cast problem needs in driving using high voltage sub-pixel and the interspersed effect for reaching color bias improvement of low-voltage sub-pixel, therefore, number
It need to be sequentially driven according to the demand high-low voltage of each sub-pixel according to driving voltage Vgd, as the high voltage sub-pixel on Fig. 2 a drives
Dynamic voltage VGd_1, a secondary adjacent low-voltage sub-pixel VGd_2, same row sub-pixel sequentially believe by high voltage and low-voltage sub-pixel
Number driving, in addition to the difference in driving signal, if cooperating two adjacent sub-pixels driving polarity different again, with writing panel resolution
It improves, with the increase of a line sub-pixel numbers, driving frequency can be made to increase the load of driving IC, increase driving IC's
The risk that power consumption and driving IC temperature are promoted.
It is the structural schematic diagram of one embodiment of the present embodiment array of display referring to Fig. 3 a, Fig. 3 b is the present embodiment array of display
Corresponding driver' s timing schematic diagram, the display panel of the array of display can be liquid crystal display panel, can also realize for other
The display panel of same or similar function, the present embodiment to this with no restriction, in the present embodiment, by taking liquid crystal display panel as an example
It is illustrated, the display panel includes array of display, and the array of display includes the pixel unit being arranged in array, the picture
Plain unit includes the first pixel unit and the second pixel unit, and first pixel unit and the second pixel unit are in a first direction
It being arranged alternately above and in a second direction, the pixel unit includes the first sub-pixel, the second sub-pixel and third sub-pixel,
First sub-pixel, the second sub-pixel and third sub-pixel respectively correspond as red sub-pixel (R), green sub-pixels (G)
And blue subpixels (B), wherein the first direction is line direction, and the second direction is column direction, first pixel
Unit and the second pixel unit polarity are opposite.
It is that the invention shows the flow diagrams of the driving method first embodiment of panel referring to Fig. 4, Fig. 4.
In the first embodiment, the display panel driving method the following steps are included:
Step S10 obtains the first default scanning drive signal, the second default scanning drive signal and preset data driving
Signal, wherein the conducting duration of the first default scanning drive signal is less than leading for the described second default scanning drive signal
Logical duration, so that the driving time that the first default scanning drive signal corresponds to the preset data driving signal is less than institute
State the driving time that the second default scanning drive signal corresponds to the preset data driving signal.
It should be noted that as shown in Figure 3a, the first default scanning drive signal is Vg1, and described second default sweeps
Retouching driving signal is Vg2, and the turn-on time of the first default scanning drive signal is △ t1, the second default turntable driving
The turn-on time of signal is △ t2, and △ t1 < △ t2, Vgh1 indicate that the high voltage signal of the first scanning drive signal, Vgl1 indicate
The low voltage signal of first scanning drive signal, Vgh2 indicate that the high voltage signal of the second scanning drive signal, Vgl2 indicate the
The low voltage signal of two scanning drive signals, the preset data driving signal are Vgd.
Step S20, to scan through two adjacent row pixel units as drive cycle, by the first row in the drive cycle
The even column pixels unit in odd column pixel unit and adjacent one-row pixels unit in pixel unit is pre- using described first
If scanning drive signal is driven.
It should be noted that shown in as shown in Figure 3a and corresponding 3b driver' s timing, in order to realize adjacent R, G, B picture
Element is the interspersed driving arrangement mode of high-low voltage, and Vg1 is a line odd column pixel unit and adjacent a line even column pixels unit
Turntable driving route and scanning drive signal, Vg2 are that same Vg1 is a line even column sub-pixel and adjacent a line odd column picture altogether
Element turntable driving route and scanning drive signal altogether, such as Fig. 3 b driver' s timing, due to that will go together and the adjacent subpixels of same column
Polarity is set as opposite polarity, is driven to the adjacent subpixels of the colleague and same column using the driving method of dot inversion,
The turn-on time of Vg1 is controlled for the smaller for data drive signal compared to the turn-on time with Vg2 of data drive signal,
To make the corresponding pixel unit charging ability of Vg1 scanning drive signal be deteriorated, pixel list corresponding with Vg2 scanning drive signal
First charging ability becomes strong, to achieve the purpose that the charging of high voltage pixel unit and low-voltage pixel unit time charging, Jin Erda
At the effect of color bias improvement.
Step S30, in the first row pixel unit in the drive cycle even column pixels unit and adjacent a line
Odd column pixel unit in pixel unit is driven using the described second default scanning drive signal.
It is understood that controlling Vg1 scanning switch timing relative to the charging signals of data drive signal compared to Vg2
Scanning switch timing it is shorter relative to the turn-on time of data drive signal, the corresponding sub- picture of Vg1 turntable driving route can be made
Plain charging ability is deteriorated, and sub-pixel charging ability corresponding with Vg2 sweep circuit becomes strong, to reach the charging of high voltage sub-pixel
The difference to charge with low-voltage sub-pixel, and then reach the effect of color bias improvement.
Two adjacent subpixels of same column in the pixel unit are used same preset data driving signal by step S40
It is driven.
In the present embodiment, data drive signal is cooperated by scanning drive signal, by two adjacent subpixels of same column
It is driven using same preset data driving signal, reduces polar frequent driving, achieve the purpose that frequency reducing, and can reduce
The temperature of the work of driving chip, the power consumption and driving chip that reduce driving chip promotes risk, has reached high voltage picture
Element and the mode of the interspersed arrangement of low-voltage sub-pixel are driven, and solve the problems, such as visual angle colour cast.
The present embodiment is by obtaining the first default scanning drive signal, the second default scanning drive signal and preset data
Driving signal, wherein the conducting duration of the first default scanning drive signal is less than the described second default scanning drive signal
Conducting duration；It will be in the odd column pixel unit and adjacent one-row pixels unit in the first row pixel unit in drive cycle
Even column pixels unit driven using the described first default scanning drive signal；To the even number in the first row pixel unit
Odd column pixel unit in column pixel unit and adjacent one-row pixels unit using the described second default scanning drive signal into
Row driving；And two adjacent subpixels of same column in the pixel unit are driven using same preset data driving signal
It is dynamic, so that the conducting duration of two scanning drive signals be made to have differences, make the pixel unit in two scanning drive signals
Charging ability is different, realizes that adjacent pixel unit is driven using the driving method of the interspersed arrangement of high-low voltage, to reach
Reduce the purpose of colour cast.
In one embodiment, before the step S10, the method also includes:
The first default scanning drive signal in scanning colleague's pixel unit is used with the second default scanning drive signal
The mode of interspersed arrangement is configured, so that colleague's sub-pixel shares the described first default scanning drive signal and second and default sweeps
Retouch driving signal.
It should be noted that as shown in Figure 3a, G row sub-pixel, R and B row sub-pixel is all the same, high voltage sub-pixel VGd_
1, the corresponding scanning drive signal of VGd_3, VGd_5 is Vg2 scanning corresponding with low-voltage sub-pixel VGd_2, VGd_4, VGd_6
Driving signal is Vg1, and wherein the switching sequence △ t1 of the scanning drive signal of Vg1 is for data drive signal, compared to Vg2
The switching sequence △ t2 of scanning drive signal is smaller in data drive signal, i.e. △ t1 < △ t2, to make adjacent sub-pixel
Charging duration it is different, can reach the purpose that adjacent subpixels are the interspersed arrangement of high-low voltage, to reduce colour cast.
In one embodiment, before the step S10, the method also includes:
By in the first row pixel unit in the drive cycle odd column pixel unit and adjacent one-row pixels unit
In even column pixels units shared described in the first default scanning drive signal driven；And
To in the first row pixel unit in the drive cycle even column pixels unit and adjacent one-row pixels unit
In odd column pixel units shared described in the second default scanning drive signal driven.
It is understood that as shown in Figure 3b, the sub-pixel positive polarity data drive signal of G row be VG1, VG2,
VG3 ... .., it is VG1', VG2', VG3' ... that negative polarity data-driven, which moves signal,.When being driven, high voltage sub-pixel
Equivalent driving voltage VGd_1, as positive polarity driving signal Vgd=VG1 correspond to the switching sequence △ of Vg2 scanning drive signal
T2, a secondary adjacent low-voltage sub-pixel VGd_2 is negative polarity driving voltage Vgd=VG1', and the turntable driving corresponding to Vg1 is believed
Number switching sequence △ t1, △ t1 < △ t2, equivalent driving voltage VGd_1 > VGd_2.Similarly, the equivalent driving of high voltage sub-pixel
Voltage VGd_3 is the switching sequence △ t2 that positive polarity driving signal Vgd=VG2 corresponds to Vg2 scanning drive signal, a secondary phase
When adjacent low-voltage sub-pixel VGd_4 is switch of the negative polarity driving voltage Vgd=VG2' corresponding to the scanning drive signal of Vg1
Sequence △ t1, △ t1 < △ t2, equivalent driving voltage VGd_3 > VGd_4, so that same column adjacent subpixels be made to wear using high-low voltage
The driving method of insert row column is driven, and achievees the purpose that reduce colour cast.
In one embodiment, before the step S10, the method also includes:
The history driving signal for obtaining two adjacent subpixels of same column, sets institute for the preset data driving signal
State the average value of history driving signal.
It should be noted that the driving signal that the history driving signal is the adjacent two sub-pixels of history same column is to change
The driving signal of the two sub-pixels adjacent into preceding same column, to the equivalent driving voltage VGd_1 of the two neighboring sub-pixel of same column
It is driven respectively with positive polarity driving voltage Vgd=VG1 and negative polarity driving voltage Vgd=VG1' with the equivalent voltage of VGd_2, just
Polarity driven voltage VG1 and negative polarity driving voltage VG1' is then chosen as the average signal of original pixel signal Gd1 Yu Gd2 signal,
With for 8bit driving signal for 0~255 signal, that is, the corresponding positive polarity driving voltage of G1=(Gd1+Gd2)/2, G1 signal
VG1 and negative polarity driving voltage VG1'.VGd_3 and VGd_4 equivalent voltage with positive polarity driving voltage Vgd=VG2 and are born respectively
Polarity driven voltage Vgd=VG2' driving, then be chosen as the average signal of original image frame picture element signal Gd3 and Gd4 signal, with 8bit
For driving signal be 0~255 signal, that is, the corresponding positive polarity driving voltage VG2 of G2=(Gd3+Gd4)/2, G2 signal and
Negative polarity driving voltage VG2', to achieve the purpose that frequency reducing.
In one embodiment, after the step S10, the method also includes:
Reverse signal is received, according to the reverse signal by the first default scanning drive signal, the second default turntable driving
Signal and preset data driving signal are inverted, and after the default scanning drive signal of first after being inverted, reversion
Preset data driving signal after two default scanning drive signals and reversion, so that the first default scanning after the reversion is driven
The conducting duration of dynamic signal is greater than the conducting duration of the second default scanning drive signal after the reversion.
Continuing such as 3b timing, G column sub-pixel in figure, wherein R and B column sub-pixel is all the same, high voltage sub-pixel VGd_1,
The corresponding turntable driving voltage of VGd_3, VGd_5 is Vg2 scanning corresponding with low-voltage sub-pixel element VGd_2, VGd_4, VGd_6
Driving voltage is Vg1, wherein the switching sequence of Vg1 scanning drive signal for data drive signal charging signals compared to
The switching sequence of Vg2 scanning drive signal is shorter for the charging signals time of data drive signal.
In the present embodiment with write driving signal reversion, scanning drive signal switch for data drive signal △ t1,
△ t2 can also cooperate switching, that is, the scanning drive signal switching sequence of Vg1 is △ t2 for data drive signal, and Vg2's sweeps
Retouching driving signal switching sequence is △ t1 for data drive signal, so that different timing difference high-low voltage signals can be realized
Son portrait element, and naked eyes will not obviously see the difference of high voltage sub-pixel Yu low-voltage sub-pixel, be not in solution therefore
The problem of analysis degree declines.
In one embodiment, before the step S10, the method also includes:
By in the described first default scanning drive signal high voltage drive signal and the second default turntable driving
High voltage drive signal in signal is driven using different driving voltages, will be in the described first default scanning drive signal
Low voltage drive signal and the second default scanning drive signal low voltage drive signal use different driving voltages
It is driven.
As shown in Figure 5 provide another embodiment of array of display structural schematic diagram, in addition to adjustment scanning signal conducting when
Between it is outer, also adjustable scanning drive signal reaches different charging effects, such as Fig. 5, the height electricity of the first scanning drive signal
Press Vgh1 different from the high voltage Vgh2 of the second scanning drive signal, the low-voltage Vgl1 of the first scanning drive signal is swept with second
The high voltage Vgl2 for retouching driving signal is different, to form top rake to pressure va1 and va2, since real panel has parasitic capacitance to make
It is distorted at scanning drive signal, therefore needs corresponding top rake electricity design to reach the promotion of the uniformity in face, due to va1 and va2
Difference, i.e. △ t1_1/ △ t1_2 are different from △ t2_1/ △ t2_2, thus the charging ability for the pixel unit for causing same column adjacent
Difference realizes same column adjacent pixel unit using the driving method of high voltage pixel unit and the interspersed arrangement of low-voltage pixel unit
It is driven, to achieve the purpose that reduce colour cast.
Array of display is provided shown in the structural schematic diagram and 6b that array of display another embodiment is provided referring to shown in Fig. 6 a
The Timing driver schematic diagram of another embodiment, before the step S10, the method also includes:
The polarity of colleague and the sub-pixel of same column are set as opposite polarity, the sub-pixel of the colleague and same column are used
The driving method of dot inversion is driven；Or the polarity of the sub-pixel of colleague is set as opposite polarity, and by the son of same column
The polarity of pixel is set as identical polarity, and the sub-pixel of sub-pixel and same column to the colleague uses the driving method of column inversion
It is driven.
It is another that array of display is provided shown in the structural schematic diagram and 6b that another embodiment of array of display is provided as shown in Figure 6 a
The Timing driver schematic diagram of one embodiment, the present embodiment same row data-driven version are to use same polarity driven, the son of G row
Pixel positive polarity driving signal Vgd=VG1, VG2, VG3 ... .., sub-pixel negative polarity move signal Vgd=VG1', VG2',
VG3'….When being driven, the equivalent driving voltage VGd_1 of high voltage sub-pixel be positive polarity driving signal Vgd=VG1 with
The charging timing of Vg2 scanning switch timing △ t2, a secondary adjacent low-voltage sub-pixel VGd_2 is positive polarity driving voltage Vgd
The charging timing of the switching sequence △ t1 of=VG1 and Vg1 scanning drive signal, wherein △ t1 < △ t2, equivalent driving voltage
VGd_1>VGd_2.Similarly, the equivalent driving voltage VGd_3 of high voltage sub-pixel is positive polarity driving signal Vgd=VG2 and Vg2
The charging timing of gate switching sequence △ t2, a secondary adjacent low-voltage sub-pixel VGd_4 is positive polarity driving voltage Vgd=
The charging timing of VG2 and Vg1 gate switching sequence △ t1, wherein △ t1 < △ t2, equivalent driving voltage VGd_3 > VGd_4, from
And drive same column adjacent subpixels using the driving method of the interspersed arrangement of high-low voltage, achieve the purpose that reduce colour cast.
The structural schematic diagram of array of display another embodiment is provided referring to shown in Fig. 7, the pixel unit includes the first picture
Plain unit and the second pixel unit, before the step S10, the method also includes:
First pixel unit and the second pixel unit are arranged alternately in a column direction, wherein first pixel
Unit includes sequential red sub-pixel on line direction, green sub-pixels, blue subpixels and white sub-pixels (W), and
Two pixel units include sequential blue subpixels, white sub-pixels, red sub-pixel and green sub-pixels on line direction.
As shown in fig. 7, proposing in such a way that WRGB sub-pixel drives improvement colour cast as high-low voltage, to colleague's pixel list
Member using being driven by the way of the interspersed arrangement of scanning drive signal, and same column sub-pixel use preset data driving signal into
The polarity of row driving, same column and adjacent subpixels of going together with each sub-pixel high-low voltage of WRGB is interspersed on the contrary, arrange, and use point
The driving method of reversion is inverted, to realize the row that the high voltage sub-pixel of four sub-pixels and low-voltage sub-pixel intert
Column mode reaches reduction color so that same column adjacent subpixels be made to be driven using the driving method of the interspersed arrangement of high-low voltage
Inclined purpose.
As shown in figure 8, proposing in such a way that WRGB sub-pixel drives improvement colour cast as high-low voltage, to colleague's pixel list
Member using being driven by the way of the interspersed arrangement of scanning drive signal, and same column sub-pixel use preset data driving signal into
Row driving, the polarity of same column adjacent subpixels is identical and the polarity for adjacent subpixels of going together is on the contrary, with WRGB each sub-pixel height
The interspersed arrangement of voltage, and inverted using the driving method of column inversion, to realize the high voltage sub-pixel of four sub-pixels
The arrangement mode interted with low-voltage sub-pixel, to make same column adjacent subpixels using the driving side of the interspersed arrangement of high-low voltage
Formula is driven, and achievees the purpose that reduce colour cast.
In addition, the embodiment of the present application also proposes a kind of display equipment, as shown in figure 9, the display equipment includes: display surface
Plate 200, memory, processor and it is stored in the display panel 200 that can be run on the memory and on the processor
Driver, the display panel 200 include array of display 100, and the driver deployment of the display panel 200 is to realize such as
The step of driving method embodiment of display panel 200 described above, the display panel 200 further include scanning circuit 210
With driving circuit 220, the scanning circuit 210 is set as output scanning drive signal, usually carries out line by line to pixel unit
Scanning, driving circuit 220 are set as output data driving signal, and pixel unit is made to receive driving data progress when being scanned
Display.
Display panel 200 can refer to above-described embodiment, preset and swept by the first default scanning drive signal of acquisition, second
Retouch driving signal and preset data driving signal, wherein the conducting duration of the first default scanning drive signal is less than institute
State the conducting duration of the second default scanning drive signal；By the odd column pixel list in the first row pixel unit in drive cycle
Even column pixels unit in first and adjacent one-row pixels unit is driven using the described first default scanning drive signal；It is right
Described in odd column pixel unit in even column pixels unit and adjacent one-row pixels unit in the first row pixel unit uses
Second default scanning drive signal is driven；And by two adjacent subpixels of same column in the pixel unit using same
Preset data driving signal is driven, so that the conducting duration of two scanning drive signals be made to have differences, makes two scannings
The charging ability of pixel unit in driving signal is different, realizes adjacent pixel unit using the driving of the interspersed arrangement of high-low voltage
Mode is driven, to achieve the purpose that reduce colour cast.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, the technical solution of the application substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the application.
The above is only the alternative embodiments of the application, are not intended to limit the scope of the patents of the application, all to utilize this Shen
Please equivalent structure or equivalent flow shift made by specification and accompanying drawing content, be applied directly or indirectly in other relevant skills
Art field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of driving method of display panel, which is characterized in that the display panel includes array of display, the array of display
Including the pixel unit being arranged in array；The driving method of the display panel includes:
Obtain the first default scanning drive signal, the second default scanning drive signal and preset data driving signal, wherein institute
The conducting duration for stating the first default scanning drive signal is less than the conducting duration of the described second default scanning drive signal；
It, will be in the first row pixel unit in the drive cycle to scan through two adjacent row pixel units as drive cycle
Even column pixels unit in odd column pixel unit and adjacent one-row pixels unit is using the described first default turntable driving letter
It number is driven；
To in the even column pixels unit and adjacent one-row pixels unit in the first row pixel unit in the drive cycle
Odd column pixel unit is driven using the described second default scanning drive signal；And
Two adjacent subpixels of same column in the pixel unit are driven using same preset data driving signal.
2. the driving method of display panel according to claim 1, which is characterized in that described to obtain the first default scanning drive
Before dynamic signal, the second default scanning drive signal and preset data driving signal, the method also includes:
By the first default scanning drive signal in scanning colleague's pixel unit with the second default scanning drive signal using interspersed
The mode of arrangement is configured.
3. the driving method of display panel according to claim 1, which is characterized in that described to obtain the first default scanning drive
Before dynamic signal, the second default scanning drive signal and preset data driving signal, the method also includes:
It will be in the odd column pixel unit and adjacent one-row pixels unit in the first row pixel unit in the drive cycle
First default scanning drive signal described in even column pixels units shared is driven；And
To in the even column pixels unit and adjacent one-row pixels unit in the first row pixel unit in the drive cycle
Second default scanning drive signal described in odd column pixel units shared is driven.
4. the driving method of display panel according to any one of claim 1 to 3, which is characterized in that described to obtain the
Before one default scanning drive signal, the second default scanning drive signal and preset data driving signal, the method is also wrapped
It includes:
The history driving signal for obtaining two adjacent subpixels of same column sets described for the preset data driving signal and goes through
The average value of history driving signal.
5. the driving method of display panel according to any one of claim 1 to 3, which is characterized in that described to obtain the
After one default scanning drive signal, the second default scanning drive signal and preset data driving signal, the method is also wrapped
It includes:
Reverse signal is received, according to the reverse signal by the first default scanning drive signal, the second default scanning drive signal
And preset data driving signal is inverted, second after the default scanning drive signal of first after being inverted, reversion is pre-
If the preset data driving signal after scanning drive signal and reversion, so that the first default turntable driving letter after the reversion
Number conducting duration be greater than the reversion after the second default scanning drive signal conducting duration.
6. the driving method of display panel according to any one of claim 1 to 3, which is characterized in that described to obtain the
Before one default scanning drive signal, the second default scanning drive signal and preset data driving signal, the method is also wrapped
It includes:
By in the described first default scanning drive signal high voltage drive signal and the second default scanning drive signal
In high voltage drive signal driven using different driving voltages；And
By in the described first default scanning drive signal low voltage drive signal and the second default scanning drive signal
Low voltage drive signal is driven using different driving voltages.
7. the driving method of display panel according to any one of claim 1 to 3, which is characterized in that described to obtain the
Before one default scanning drive signal, the second default scanning drive signal and preset data driving signal, the method is also wrapped
It includes:
The polarity of colleague and two adjacent subpixels of same column are set as opposite polarity, to the sub-pixel of the colleague and same column
It is driven using the driving method of dot inversion；Or
The polarity of two adjacent subpixels of colleague is set as opposite polarity, and by the pole of two adjacent subpixels of same column
Property be set as identical polarity, the sub-pixel of sub-pixel and same column to the colleague is driven using the driving method of column inversion
It is dynamic.
8. the driving method of display panel according to any one of claim 1 to 3, which is characterized in that the pixel list
Member includes the first pixel unit and the second pixel unit；
Acquisition the first default scanning drive signal, the second default scanning drive signal and the preset data driving signal it
Before, the method also includes:
First pixel unit and the second pixel unit are arranged alternately in a column direction, wherein first pixel unit
Including sequential red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels on line direction, the second pixel list
Member includes sequential blue subpixels, white sub-pixels, red sub-pixel and green sub-pixels on line direction.
9. a kind of driving method of display panel, which is characterized in that the display panel includes array of display, the array of display
Including the pixel unit being arranged in array；The driving method of the display panel includes:
Obtain the first default scanning drive signal, the second default scanning drive signal and preset data driving signal, described
The conducting duration of one default scanning drive signal is less than the conducting duration of the described second default scanning drive signal, so that described the
The driving time that one default scanning drive signal corresponds to the preset data driving signal is less than the described second default scanning and drives
Dynamic signal corresponds to the driving time of the preset data driving signal；
By the first default scanning drive signal in scanning colleague's pixel unit with the second default scanning drive signal using interspersed
The mode of arrangement is configured, so that colleague's pixel unit shares the described first default scanning drive signal and the second default scanning
Driving signal；
It, will be in the first row pixel unit in the drive cycle to scan through two adjacent row pixel units as drive cycle
Even column pixels unit in odd column pixel unit and adjacent one-row pixels unit is using the described first default turntable driving letter
It number is driven；
To in the even column pixels unit and adjacent one-row pixels unit in the first row pixel unit in the drive cycle
Odd column pixel unit is driven using the described second default scanning drive signal；And
Two adjacent subpixels of same column in the pixel unit are driven using same preset data driving signal.
10. a kind of display equipment, which is characterized in that the display equipment includes: display panel, memory, processor and storage
On the memory and the driver of display panel that can run on the processor, the display panel includes display
Array, the array of display include the pixel unit being arranged in array, and the driver deployment of the display panel is to realize such as
The step of driving method of display panel described in any one of claims 1 to 9.
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| CN201910097744.2A CN109616072A (en) | 2019-01-30 | 2019-01-30 | Display panel driving method and display device |
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