CN109559694A - The driving method and display device of display panel - Google Patents
The driving method and display device of display panel Download PDFInfo
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- CN109559694A CN109559694A CN201811557345.1A CN201811557345A CN109559694A CN 109559694 A CN109559694 A CN 109559694A CN 201811557345 A CN201811557345 A CN 201811557345A CN 109559694 A CN109559694 A CN 109559694A
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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
- G09G3/3614—Control of polarity reversal in general
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application involves a kind of driving methods of display panel, display panel includes several pairs of scan lines, several data lines and several pixel units, several pairs of scan lines are arranged along line direction, several data lines are arranged along column direction, several pixel units are set between each pair of scan line and arranged in arrays, a data line is shared per two adjacent column pixel units, pixel unit with a line and a shared data line connects different scan lines, the pixel unit for sharing a data line sorts by preset order, the described method includes: to the scan line being connect with n-th pixel unit, the scan line connecting with the N+4n pixel unit and the scan line connecting with the N+8n pixel unit input scanning pulse signal simultaneously；Square wave data-signal is inputted to the data line, to charge to the n-th pixel unit, N+4n pixel unit and the N+8n pixel unit that share a data line, to improve the vertical bright concealed wire on display panel.
Description
Technical field
This application involves field of display technology, in particular to the driving method and display device of a kind of display panel.
Background technique
Existing liquid crystal display is usually there are three types of driving structure: standard speed is driving, Double Data Rate is driving and
Three times rate is driving.When the resolution for showing equipment is 1366*768, the driving data line of standard speed is 4098,
Scan line is 768；The driving data line of Double Data Rate is 2049, and scan line is 1536；Three times rate is driving
Data line is 1366, and scan line is 2304.
When data-signal is charged by pixel of the data line to display panel, since there are impedance, data-signals pair
The charging time of adjacent pixel has differences, and causes partial pixel charge rate insufficient, and then vertical bright concealed wire occurs in display panel.
Summary of the invention
Based on this, it is necessary to which the time for reaching adjacent pixel for data-signal has differences, and partial pixel is caused to charge
Rate is insufficient, and then the problem of vertical bright concealed wire occurs in display panel, provides the driving method and display device of a kind of display panel.
A kind of driving method of display panel, if the display panel include several pairs of scan lines, several data lines and
Dry pixel unit, wherein several pairs of scan lines are arranged along line direction, and several data lines are arranged along column direction, several pictures
Plain unit is set between each pair of scan line and arranged in arrays, a shared data line per two adjacent column pixel units, together
The pixel unit of a line and a shared data line connects different scan lines, shares the pixel unit of a data line by default
Sequence sorts, the driving method of the display panel the following steps are included:
To the scan line being connect with n-th pixel unit, the scan line being connect with the N+4n pixel unit and with N+
The scan line of 8n pixel unit connection inputs scanning pulse signal simultaneously, wherein N and n is the integer more than or equal to 1；
Square wave data-signal is inputted to the data line, to n-th pixel unit, the N+4n for sharing a data line
A pixel unit and the N+8n pixel unit charging, to improve the vertical bright concealed wire on display panel；
The polarity of the square wave data-signal is every primary by 2n scanning pulse reversion.
In one of the embodiments, in a frame picture, the charging time of the N+4n pixel unit is 2 scanning arteries and veins
Punching, the charging time of the N+8n pixel unit are 3 scanning pulses.
Square wave data-signal in one of the embodiments, on adjacent two datas line is opposite in synchronization polarity.
The display panel further includes active array switch, each pixel unit and active in one of the embodiments,
The drain electrode of array switch connects, and the grid of the active array switch is connect with the scan line, the active array switch
Source electrode is connect with the data line.
The preset order is two pixel units for sharing same a line of a data line in one of the embodiments,
It successively sorts by first direction, the every adjacent rows pixel unit for sharing a data line successively sorts by second direction, to lean on
The one-row pixels unit of nearly data line one end is the first row, shares the picture that the pixel unit of a data line is first sorted with the first row
Plain unit is first pixel unit.
A kind of display device, the display device include display panel, scanning signal drive module and data-signal driving
Module；The display panel includes several pairs of scan lines, several data lines and several pixel units；Wherein, several to sweeping
It retouches line to arrange along line direction, several data lines are arranged along column direction, several pixel units are set between each pair of scan line
And it is arranged in arrays, a data line is shared per two adjacent column pixel units, with the pixel of a line and a shared data line
Unit connects different scan lines, and the pixel unit for sharing a data line sorts by preset order；The scanning signal driving
Module be used for the scan line being connect with n-th pixel unit, the scan line being connect with the N+4n pixel unit and with N+
The scan line of 8n pixel unit connection inputs scanning pulse signal simultaneously, wherein N and n is the integer more than or equal to 1；
The data-signal drive module is used to input square wave data-signal to the data line, to the N for sharing a data line
A pixel unit, N+4n pixel unit and the N+8n pixel unit charging, it is vertical bright dark on display panel to improve
Line, wherein the polarity of the square wave data-signal is every primary by 2n scanning pulse reversion.
In one of the embodiments, in a frame picture, the charging time of the N+4n pixel unit is 2 scanning arteries and veins
Punching, the charging time of the N+8n pixel unit are 3 scanning pulses.
It in one of the embodiments, further include sequence controller, the sequence controller is for controlling the square wave number
It is believed that number polarity it is every primary and for controlling the letter of the square wave data on adjacent two datas line by the reversion of 2n scanning pulse
It is number opposite in synchronization polarity.
The display panel further includes active array switch, each pixel unit and active in one of the embodiments,
The drain electrode of array switch connects, and the grid of the active array switch is connect with the scan line, the active array switch
Source electrode is connect with the data line.
A kind of display device, the display device include display panel, scanning signal drive module, data-signal driving mould
Block and sequence controller；The display panel includes several pairs of scan lines, several data lines and several pixel units；Its
In, several pairs of scan lines are arranged along line direction, and several data lines are arranged along column direction, several pixel units are set to each pair of
It is between scan line and arranged in arrays, a data line is shared per two adjacent column pixel units, with a line and shares a number
Different scan lines is connected according to the pixel unit of line, the pixel unit for sharing a data line sorts by preset order；It is described to sweep
Signal driver module is retouched to be used for the scan line connecting with n-th pixel unit, the scanning connecting with the N+4n pixel unit
Line and the scan line connecting with the N+8n pixel unit input scanning pulse signal simultaneously, wherein N and n is to be greater than or wait
In 1 integer；The data-signal drive module is used to input square wave data-signal to the data line, to a shared number
According to the n-th pixel unit of line, N+4n pixel unit and the N+8n pixel unit charging, to improve on display panel
Vertical bright concealed wire；The polarity that the sequence controller is used to control the square wave data-signal is every by 2n scanning pulse reversion
It is primary and opposite in synchronization polarity for controlling the square wave data-signal on adjacent two datas line.
The display device of the application and the driving method of display panel pass through to the n-th pixel list for sharing a data line
While member charging, also to N+4n pixel unit and the N+8n pixel unit precharge, and then increase pixel unit
Charging time, so as to improve the vertical bright concealed wire of display panel.
Detailed description of the invention
Fig. 1 is the pixel unit array schematic diagram of the display panel of one embodiment；
Fig. 2 is the square wave data-signal of one embodiment and the drive waveforms figure of scanning signal；
Fig. 3 is pole figure of each pixel unit shown in FIG. 1 in a frame picture；
Fig. 4 is the bright dark effect of each pixel unit shown in FIG. 1；
Fig. 5 is the schematic diagram of the display device of one embodiment；
Fig. 6 is the pixel unit array schematic diagram of the display panel of another embodiment；
Fig. 7 is the drive waveforms figure of the square wave data-signal of one embodiment；
Fig. 8 is the flow chart of the driving method of the display panel of one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the better embodiment of the application.But the application can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more disclosure of this application
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
The display panel of the application can be a LCD (Liquid Crystal Display) panel or be an OLED
(Organic Light-Emitting Diode) panel is a QLED (Quantum Dots Light-Emitting
Diode) panel (but not limited to this).LCD panel includes: switch arrays (thin film transistor, TFT) substrate, coloured silk
Liquid crystal layer color filtering optical layer (color filter, CF) substrate and be formed between two substrates.
To make the application improve display panel, vertically technical solution used by bright concealed wire is apparent, as follows with double-speed
Rate drive type display panel says the display panel principle that vertically bright concealed wire generates using for the driving method of 1+2 line
It is bright.
Referring to Fig. 1, Fig. 1 is the pel array schematic diagram of Double Data Rate drive type display panel, wherein G1, G2,
G3 ..., G1536 is the scan line arranged with line direction, and G1 and G2 partner scan line, and G3 and G4 partner scan line,
And so on, G1535 and G1536 partner scan line, and D1, D2, D3 ..., D2049 are the data line arranged with column direction.
Pixel unit is set between each pair of scan line and arranged in arrays, and pixel unit indicates its position with Pxy, and wherein x is represented
Xth row, y represent y column.A data line, the pixel unit connection adjacent with a line are shared per two adjacent column pixel units
Different scan lines, the pixel unit for being spaced each other a pixel unit with a line connect identical scan line.
The driving sequence of scan line is that from top to bottom, i.e., from G1, G2, G3 ..., to G1536, the driving of data line is sequentially
For from left to right, i.e., from D1, D2, D3 ..., to D2049.In scanning, scan line input scanning pulse signal is connected thereto
Pixel unit active array switch, active array switch is opened, and receives the square wave number of data line connected to it input
It is believed that number, square wave data-signal charges to pixel unit.Fig. 1 is that odd column pixel unit is connect with odd number horizontal scanning line,
Even column pixels unit is connect with even number horizontal scanning line.It is illustrated by taking scan line G1, G2 and data line D1, D2 as an example, when sweeping
When retouching scan line G1, pixel unit P11, P13 receive the square wave data-signal of data line D1, D2 input respectively；It scans
When retouching line G2, pixel unit P12, P14 receive the square wave data-signal of data line D1, D2 input respectively.
Please refer to figs. 2 and 3, when the polarity of square wave data-signal is every to be inverted one time by 2 scanning pulses, due to depositing
In impedance, the transmitted waveform of square wave data-signal on the data line actually and nonideal square wave, but becomes in polarity
There is delay when change.When scan line sequentially inputs scanning pulse signal, the square wave data-signal of data line input is successively to picture
Plain unit charging.It is illustrated by taking the square wave data-signal of data line D1 input as an example, the square wave data letter of data line D1 input
Number successively to pixel unit P11, P12, P21, P22, P31, P32 ..., P7681, P7682 charge, due to square wave data
Signal from pixel unit P11 to pixel unit P12, pixel unit P21 to pixel unit P22 ..., pixel unit P7681 to picture
There are voltage polarity reversals when plain unit P7682 charges, and the charging time is short, therefore, even column pixels unit (P12, P22,
P32 ..., P7682) brightness is darker, from pixel unit P12 to pixel unit P21, pixel unit P22 to pixel unit
P31 ..., pixel unit P7672 to pixel unit P7681 charging when be not present voltage polarity reversal, therefore, odd column pixel
Unit (P11, P21, P31 ..., P7681) brightness is brighter, so there is vertical bright concealed wire in the display of display panel.Fig. 4 institute
It is shown as the bright concealed wire effect picture that display panel is shown, wherein L represents bright, and A represents dark.
Referring to Fig. 5, the schematic diagram of the display device of Fig. 5 the application.The display device includes display panel 10, scanning
Signal driver module 20 and data-signal drive module 30.
The display panel 10 includes several pairs of scan lines, several data lines and several pixel units.It is several to sweeping
Line is retouched to arrange along line direction.Several data lines are arranged along column direction.Several pixel units are set between each pair of scan line
And it is arranged in arrays.A data line is shared per two adjacent column pixel units, with the pixel of a line and a shared data line
Unit connects different scan lines, and the pixel unit for sharing a data line sorts by preset order.
It can connect identical scan line with the pixel unit that a line is spaced each other a pixel unit, also can connect not
Same scan line.
In one embodiment, the preset order is two pixel units of the same a line for sharing a data line by first
Direction is successively sorted, and the every adjacent rows pixel unit for sharing a data line successively sorts by second direction, close to data
The one-row pixels unit of line one end is the first row, shares the pixel unit that the pixel unit of a data line is first sorted with the first row
For first pixel unit.
It should be noted that the scanning sequency of scan line is the pixel unit for the shared data line connecting with scan line
Put in order.
For the pixel unit of same a line, the pixel unit of data line two sides is successively driven, and can be first driving number
According to the odd column pixel unit of line side, then the even column pixels unit of the driving data line other side, it is also possible to first driving number
According to the even column pixels unit of line side, then the odd column pixel unit of the driving data line other side.When the surprise of data line side
Ordered series of numbers pixel unit is first driven, when the even column pixels unit of the data line other side is driven again, odd column pixel unit with
The connection of odd number horizontal scanning line, even column pixels unit are connect with even number horizontal scanning line, at this point, first direction is from left side to the right side
Side, such as from pixel unit P11 to pixel unit P12.When the even column pixels unit of data line side is first driven, data line is another
When the odd column pixel unit of side is driven again, even column pixels unit is connect with odd number horizontal scanning line, odd column pixel list
Member is connect with even number horizontal scanning line, at this point, first direction is from right side to left side, such as from pixel unit P12 to pixel unit
P11。
The second direction is that pixel unit to the rear one-row pixels unit to sort after preceding one-row pixels unit first sorts
Pixel unit.Such as, when first direction is from left side to right side, the second direction is the pixel unit P12 from the first row
To the pixel unit P21 of the second row.
Referring to Fig. 6, Fig. 6 is that odd column pixel unit is connect with odd number horizontal scanning line, even column pixels unit and even number
Horizontal scanning line connection, the sequence of the pixel unit of the two sides data line D1 is successively are as follows: and pixel unit P11 is first pixel unit,
Pixel unit P12 is second pixel unit, and pixel unit P21 is third pixel unit, and pixel unit P22 is the 4th picture
Plain unit, and so on, pixel unit Pm1 is the 2m-1 pixel unit, and pixel unit Pm2 is the 2m pixel unit.
The scanning signal drive module 20 is used for the scan line connecting with n-th pixel unit and the N+4n picture
The scan line of plain unit connection and the scan line connecting with the N+8n pixel unit input scanning pulse signal simultaneously, wherein N
With the integer that n is more than or equal to 1.
The display panel further includes active array switch K, and the drain electrode of each pixel unit and active array switch K connect
It connects, the grid of the active array switch K is connect with the scan line, the source electrode of the active array switch K and the data
Line connection.
When the scan line being connect with n-th pixel unit, the scan line being connect with the N+4n pixel unit and with N+
The scan line of 8n pixel unit connection inputs scanning pulse signal simultaneously, and the active array connecting with n-th pixel unit is opened
K, the active array switch K connecting with the N+4n pixel unit and the active array connecting with the N+8n pixel unit is closed to open
It closes K to open simultaneously, and then can receive the square wave data-signal of corresponding data line transmission.
The data-signal drive module 30 is used to input square wave data-signal to the data line, to a shared number
According to the n-th pixel unit of line, N+4n pixel unit and the N+8n pixel unit charging, to improve on display panel 10
Vertical bright concealed wire, wherein the polarity of the square wave data-signal it is every by the reversion of 2n scanning pulse once.
When the scan line connecting with n-th pixel unit inputs scanning pulse signal, while giving the N+4n pixel
The scan line of unit connection and the scan line input scanning pulse signal being connect with the N+8n pixel unit, so that n-th picture
When plain unit charges, N+4n pixel unit and the N+8n pixel unit are precharged, therefore, in a frame picture
In, N+4n pixel unit and the N+8n pixel unit can obtain enough charging time, the N+4n pixel unit
And the brightness of the N+8n pixel unit is brighter, the vertical bright concealed wire on display panel 10 is improved.
It is illustrated by taking the pixel unit of the two sides data line D1 of Fig. 6 as an example.In a frame picture, when first pixel list
When first P11 charges, while to the 5th pixel unit P31 and the 9th pixel unit P51 precharge, when the 5th pixel list
When first P31 charges, while to the 9th pixel unit P51 and the 13rd pixel unit P71 precharge, therefore, the 5th
The charging time of pixel unit P31 is 2 scanning pulses, and the charging time of the 9th pixel unit P51 is 3 scanning pulses.
It is precharged when second pixel unit P12 charging, while to the 6th pixel unit P32 and the tenth pixel unit P52,
It is filled in advance when the 6th pixel unit P32 charges, while to the tenth pixel unit P52 and the 14th pixel unit P72
Electricity, therefore, charging time of the 6th pixel unit P32 is 2 scanning pulses, when the charging of the 14th pixel unit P72
Between be 3 scanning pulses.Charging time of other pixel units and so on.Therefore, the charging time of even column pixels unit
Increased (in addition to second pixel unit P12 and the 4th pixel unit P22), the brightness of even column pixels unit increases.
In a frame picture, the charging time of the N+4n pixel unit is 2 scanning pulses, the N+8n pixel unit
Charging time be 3 scanning pulses.
The display device further includes sequence controller 40, and the sequence controller 40 is for controlling the square wave data letter
Number polarity it is every primary by the reversion of 2n scanning pulse and exist for controlling the square wave data-signal on adjacent two datas line
Synchronization polarity is on the contrary, as shown in fig. 7, Fig. 7 is illustrated with the square wave data-signal on data line D1 to data line D5.
The display panel 10 can use the driving method of 1+2 line, can also use the driving method of 2 lines.1+2
The driving method of line and the driving method of 2 lines are that the polarity of square wave data-signal is primary by 2 scanning pulses reversions
Driving method.
In one embodiment, the positive voltage of the square wave data-signal is 7V, and negative voltage is -7V.In other embodiments,
The positive voltage and negative voltage of the square wave data-signal can be other numerical value.
In conclusion the display device of the application is same by charging to the n-th pixel unit for sharing a data line
When, also to N+4n pixel unit and the N+8n pixel unit precharge, and then increase the charging time of pixel unit, from
And improve the vertical bright concealed wire of display panel 10.
Referring to Fig. 8, it is the flow chart of the driving method for the display panel that the application preferred embodiment provides.It should say
Bright, the present processes are not limited to the sequence of following step, and in other embodiments, and the present processes can be only
The a portion or part steps therein included the following steps can be deleted.In addition, in other embodiments,
One step can be split as multiple steps or multiple steps also can be merged into a step.
The display panel includes several pairs of scan lines, several data lines and several pixel units.Several pairs of scannings
Line is arranged along line direction.Several data lines are arranged along column direction.Several pixel units be set between each pair of scan line and
It is arranged in arrays.A data line is shared per two adjacent column pixel units, with the pixel list of a line and a shared data line
Member connects different scan lines, and the pixel unit for sharing a data line sorts by preset order.
The driving method of the display panel the following steps are included:
Step S1, to the scan line being connect with n-th pixel unit, the scan line being connect with the N+4n pixel unit and
The scan line connecting with the N+8n pixel unit inputs scanning pulse signal simultaneously, wherein N and n is more than or equal to 1
Integer.
Step S2, Xiang Suoshu data line inputs square wave data-signal, to the n-th pixel list for sharing a data line
Member, N+4n pixel unit and the N+8n pixel unit charging, to improve the vertical bright concealed wire on display panel 10.
Step S3, the polarity of the square wave data-signal are every primary by 2n scanning pulse reversion.
It can connect identical scan line with the pixel unit that a line is spaced each other a pixel unit, also can connect not
Same scan line.
In one embodiment, the preset order is two pixel units of the same a line for sharing a data line by first
Direction is successively sorted, and the every adjacent rows pixel unit for sharing a data line successively sorts by second direction, close to data
The one-row pixels unit of line one end is the first row, shares the pixel unit that the pixel unit of a data line is first sorted with the first row
For first pixel unit.
It should be noted that being also applied for the aobvious of the embodiment to the explanation of display device in embodiment above-mentioned
Show the driving method of panel, realization principle is similar, and details are not described herein again.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of driving method of display panel, the display panel includes several pairs of scan lines, several data lines and several
A pixel unit, wherein several pairs of scan lines are arranged along line direction, and several data lines are arranged along column direction, several pixels
Unit is set between each pair of scan line and arranged in arrays, every shared data line of two adjacent column pixel units, same
The pixel unit of row and a shared data line connects different scan lines, and the pixel unit for sharing a data line is suitable by presetting
Sequence sequence, the driving method of the display panel the following steps are included:
To the scan line being connect with n-th pixel unit, the scan line being connect with the N+4n pixel unit and with N+8n
The scan line of pixel unit connection inputs scanning pulse signal simultaneously, wherein N and n is the integer more than or equal to 1；
Square wave data-signal is inputted to the data line, to n-th pixel unit, the N+4n picture for sharing a data line
Plain unit and the N+8n pixel unit charging, to improve the vertical bright concealed wire on display panel；
The polarity of the square wave data-signal is every primary by 2n scanning pulse reversion.
2. the driving method of display panel according to claim 1, which is characterized in that in a frame picture, N+4n
The charging time of pixel unit is 2 scanning pulses, and the charging time of the N+8n pixel unit is 3 scanning pulses.
3. the driving method of display panel according to claim 1, which is characterized in that the square wave on adjacent two datas line
Data-signal is opposite in synchronization polarity.
4. the driving method of display panel according to claim 1, which is characterized in that the display panel further includes actively
Array switch, each pixel unit are connect with the drain electrode that active array switchs, and the grid of the active array switch is swept with described
Line connection is retouched, the source electrode of the active array switch is connect with the data line.
5. the driving method of display panel according to claim 1, which is characterized in that the preset order is to share one
Two pixel units of same a line of data line successively sort by first direction, share every adjacent rows pixel of a data line
Unit successively sorts by second direction, using the one-row pixels unit close to data line one end as the first row, shares a data line
The pixel unit that is first sorted with the first row of pixel unit be first pixel unit.
6. a kind of display device, which is characterized in that the display device includes display panel, scanning signal drive module and data
Signal driver module；The display panel includes several pairs of scan lines, several data lines and several pixel units；Wherein,
Several pairs of scan lines are arranged along line direction, and several data lines are arranged along column direction, several pixel units are set to each pair of sweep
Between line and arranged in arrays, a shared data line per two adjacent column pixel units is retouched, with a line and a shared data
The pixel unit of line connects different scan lines, and the pixel unit for sharing a data line sorts by preset order；The scanning
Signal driver module is used for the scan line connecting with n-th pixel unit, the scan line connecting with the N+4n pixel unit
And the scan line connecting with the N+8n pixel unit inputs scanning pulse signal simultaneously, wherein N and n is more than or equal to 1
Integer；The data-signal drive module is used to input square wave data-signal to the data line, to a shared data
N-th pixel unit, N+4n pixel unit and the N+8n pixel unit charging of line, to improve hanging down on display panel
Straight bright concealed wire, wherein the polarity of the square wave data-signal is every primary by 2n scanning pulse reversion.
7. display device according to claim 6, which is characterized in that in a frame picture, the N+4n pixel unit
Charging time is 2 scanning pulses, and the charging time of the N+8n pixel unit is 3 scanning pulses.
8. display device according to claim 6, which is characterized in that it further include sequence controller, the sequence controller
2n scanning pulse reversion of polarity every process for controlling the square wave data-signal is primary and for controlling adjacent two numbers
It is opposite in synchronization polarity according to the square wave data-signal on line.
9. display device according to claim 6, which is characterized in that the display panel further includes active array switch,
Each pixel unit is connect with the drain electrode that active array switchs, and the grid of the active array switch is connect with the scan line,
The source electrode of the active array switch is connect with the data line.
10. a kind of display device, which is characterized in that the display device includes display panel, scanning signal drive module, data
Signal driver module and sequence controller；The display panel includes several pairs of scan lines, several data lines and several pictures
Plain unit；Wherein, several pairs of scan lines are arranged along line direction, and several data lines are arranged along column direction, several pixel units
Be set between each pair of scan line and arranged in arrays, a data line shared per two adjacent column pixel units, with a line and
The pixel unit for sharing a data line connects different scan lines, and the pixel unit for sharing a data line is arranged by preset order
Sequence；The scanning signal drive module is used to connect to the scan line connecting with n-th pixel unit, with the N+4n pixel unit
The scan line connect and the scan line connecting with the N+8n pixel unit input scanning pulse signal simultaneously, wherein N and n are
Integer more than or equal to 1；The data-signal drive module is used to input square wave data-signal to the data line, to altogether
With the n-th pixel unit of a data line, N+4n pixel unit and the N+8n pixel unit charging, shown with improving
Vertical bright concealed wire on panel；The polarity that the sequence controller is used to control the square wave data-signal is every by 2n scanning
Pulse reversion is primary and opposite in synchronization polarity for controlling the square wave data-signal on adjacent two datas line.
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| CN201811557345.1A CN109559694A (en) | 2018-12-19 | 2018-12-19 | The driving method and display device of display panel |
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