CN104934006B - Display panel and its driving method, display device - Google Patents
Display panel and its driving method, display device Download PDFInfo
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- CN104934006B CN104934006B CN201510379534.4A CN201510379534A CN104934006B CN 104934006 B CN104934006 B CN 104934006B CN 201510379534 A CN201510379534 A CN 201510379534A CN 104934006 B CN104934006 B CN 104934006B
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Abstract
The present invention provides a kind of display panel and its driving method, display device, belongs to display technology field, and the power consumption that it can solve existing display panel is big, show inhomogenous problem.The display panel of the present invention, it includes a plurality of grid line arranged in a crossed manner and a plurality of data lines, and limit pixel cell at the crossover location of the grid line and the data wire, multiple pixel cells are divided into multiple pixel groups, and positioned at being a pixel groups with every N number of adjacent pixel cell in a line, N is the integer more than or equal to 1；Wherein, per a line grid line, for driving the even number pixel groups in the lastrow pixel cell of the grid line, and the odd number of pixels group in the grid line next line pixel cell；Or, per a line grid line, for driving the odd number of pixels group in the lastrow pixel cell of the grid line, and the even number pixel groups in the grid line next line pixel cell.
Description
Technical field
The invention belongs to display technology field, and in particular to a kind of display panel and its driving method, display device.
Background technology
In traditional liquid crystal display device (TFT-LCD), for the type of drive of liquid crystal display panel, including Column
Inversion (row upset), Dot Inversion (point upset), Z-Inversion etc..Wherein Dot Inversion and Z-
Inversion is mainly overturn by data line with sub pixel (or many times of sub pixel) or Z-shaped cabling realizes phase
Adjacent polarity of voltage is poor, to improve visible crosstalk.But Dot Inversion have, and driving power consumption is larger, easy image quality abnormal show
The problem of, Z-Inversion also has the problem of some picture power consumptions are larger.Therefore Column can not be replaced
Inversion.Column Inversion have the advantages such as power consumption is relatively low, data line driving forces are strong, but due to that can not suppress
Vertical crosstalk.Therefore design due to the limitation of drive pattern, the problems such as crosstalk for panel there is provided a higher threshold.
The content of the invention
The technical problems to be solved by the invention include, for existing display panel driving method exist it is above-mentioned
There is provided the homogeneous display panel of a kind of small power consumption, display and its driving method, display device for problem.
It is a kind of display panel to solve the technical scheme that is used of present invention problem, and it includes arranged in a crossed manner a plurality of
Grid line and a plurality of data lines, and pixel cell is limited at the crossover location of the grid line and the data wire, by multiple institutes
State pixel cell and be divided into multiple pixel groups, and it is a pixel groups, N to be located at every N number of adjacent pixel cell in a line
For the integer more than or equal to 1；Wherein,
Per a line grid line, for driving the even number pixel groups in the lastrow pixel cell of the grid line, and
Odd number of pixels group in the grid line next line pixel cell；
Or,
Per a line grid line, for driving the odd number of pixels group in the lastrow pixel cell of the grid line, and
Even number pixel groups in the grid line next line pixel cell.
Preferably, every grid line is respectively provided with first end and the second end；The display panel includes first grid driver
With second grid driver；Wherein,
The first end of one of any two adjacent grid line is connected with first grid driver, the end of another one second and second
Gate drivers are connected.
It may further be preferable that when showing a frame picture, first grid driver and second grid driver work in turn
Make, and first grid driver drives connected each bar grid line from top to bottom successively, second grid driver is from bottom to up
Drive connected each bar grid line；Or, first grid driver drives connected each bar grid line from bottom to up successively,
Second grid driver drives connected each bar grid line from top to bottom.
Preferably, a pixel cell is included in each pixel groups.
Preferably, pixel cell described at least two is included in each pixel groups.
Preferably, each pixel cell includes red sub-pixel, green sub-pixels, a blueness
Sub-pixel.
The technical scheme that solution present invention problem is used is a kind of driving method of above-mentioned display panel, including：
When showing a frame picture, driving in turn is located at the grid line and the grid line positioned at even number line of odd-numbered line；Wherein, if according to
Secondary driving from top to bottom is positioned at the grid line of odd-numbered line, then driving is located at the grid line of even number line from bottom to up；If successively from bottom to up
Driving is positioned at the grid line of odd-numbered line, then driving is located at the grid line of even number line from top to bottom.
Preferably, every grid line is respectively provided with first end and the second end；If the grid line positioned at odd-numbered line is from first end
Driven to the second end, then the grid line positioned at even number line is driven from the second end to first end；Or, if positioned at the grid of odd-numbered line
Line is driven from the second end to first end, then the grid line positioned at even number line is driven from first end to the second end.
Preferably, the polarity of the data voltage inputted positioned at the pixel cell of same row is identical.
Preferably, a plurality of data wire is divided into it is multigroup, per adjacent M data lines be one group, M be more than etc.
In 1 integer；Wherein,
By the opposite polarity of the data voltage inputted on any two adjacent sets data wire.
The technical scheme that solution present invention problem is used is a kind of display device, and it includes above-mentioned display surface
Plate.
The present invention has the advantages that：
Because in the display panel of the present invention, the pixel groups positioned at same a line are driven by two grid lines, because
This can be improved the charging interval of the pixel groups of every a line, but also can be reduced positioned at the drive with each pixel groups in a line
Human eye vision caused by moment is different is poor.
The present invention display panel driving method in, if for odd-numbered line grid line using forward scan (namely from
The first end of grid line is scanned to the second end), then the grid line of several rows of antithesis using reverse scan (namely from the second end of grid line
It is scanned to first end)；Two adjacent lines grid lines are scanned by the driving scanning signal of positive and negative alternate, therefore offset vertical
Straight crosstalk couplings voltage, while also can display inequality caused by matching impedance difference.And interlacing driving is swept by positive and negative,
So that the same unit pixel group in the present embodiment is scanned from adjacent pixels group using different grid lines, driving is reduced with this
Power difference.
Brief description of the drawings
Fig. 1 is the structural representation of the display panel of embodiments of the invention 1；
Fig. 2 is the timing diagram of the driving method of the display panel of embodiments of the invention 2.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.
Embodiment 1：
The present embodiment provides a kind of display panel, and it includes a plurality of grid line arranged in a crossed manner and a plurality of data lines, and in institute
Pixel cell is limited at the crossover location for stating grid line and the data wire, multiple pixel cells are divided into multiple pixels
Group, and positioned at being a pixel groups with every N number of adjacent pixel cell in a line, N is the integer more than or equal to 1；Wherein, often
A line grid line, for driving the even number pixel groups in the lastrow pixel cell of the grid line, and positioned at the grid line
Odd number of pixels group in next line pixel cell；Or, per a line grid line, for driving the lastrow picture positioned at the grid line
Odd number of pixels group in plain unit, and the even number pixel groups in the grid line next line pixel cell.
Specifically, with reference to shown in Fig. 1, being illustrated by taking Article 2 grid line G2 and Article 3 grid line G3 as an example, Article 2 grid
Be connected with line G2 in the first row pixel n1 each even number pixel groups A (in namely the first row pixel n1 the 2nd, 4,
6..... individual pixel groups A), and each odd number of pixels group A (namely the second row pixel n2 in the second row pixel cell
In the 1st, 3,5..... pixel groups A)；Each even number picture in the second row pixel n2 is connected with Article 3 grid line G3
Element group A (in namely the second row pixel n2 the 2nd, 4,6..... pixel groups A), and in the third line pixel n3 each the
Odd number of pixels group A (in namely the third line pixel n3 the 1st, 3,5..... pixel groups A).According to the rule, other rows
Grid line is also such connection.It can be seen that be driven positioned at the pixel groups A of same a line by two grid lines, because
This can be improved the pixel groups A of every a line charging interval, but also can be reduced positioned at each pixel groups A's in a line
Drive difference.
Wherein, every grid line is respectively provided with first end and the second end；The display panel includes first grid driver and the
Two gate drivers；Wherein, the first end of one of any two adjacent grid lines is connected with first grid driver, another one
Two ends are connected with second grid driver.
That is, the pixel groups A sweep direction of any two adjacent lines is different, if for the grid positioned at odd-numbered line
Line carries out forward scan, namely when being scanned from the first end of grid line to the second end, then enters for the grid line positioned at even number line
Row reverse scan, namely be scanned from the second end of grid line.Now, it can be offset by the driving scanning signal of positive and negative alternate
Vertical crosstalk coupled voltages, while also can display inequality caused by matching impedance difference.
Further, when showing a frame picture, first grid driver and second grid driver take turns to operate, and the
One gate drivers drive connected each bar grid line from top to bottom successively, and second grid driver drives and it from bottom to up
Each bar grid line of connection；Or, first grid driver drives connected each bar grid line, second grid from bottom to up successively
Driver drives connected each bar grid line from top to bottom.
Specifically, by taking the display panel shown in Fig. 1 as an example, the display panel includes 7 grid lines (G1-G7) and 7
Data wire (S1-S7) is, it is necessary to illustrate, the data wire and grid line of actually display panel are large number of, are only to show herein
The explanation of meaning property.Wherein, first and third, five, the first end connection first grid driver of seven grid lines (G1, G3, G5, G7)；The
2nd, four, the second end connection second grid driver of six grid lines (G2, G4, G6)；When first grid driver passes through first
Grid line G1 first end, odd number of pixels group A connected on first article of grid line G1, in the first row pixel n1 is selected
After logical, when second end of the second grid driver by Article 6 grid line G6, by it is being connected on Article 6 grid line G6, be located at
After 6th row pixel n6 even number pixel groups A gatings；The rest may be inferred, the third line grid line G3, fourth line grid line G4, the 5th
Row grid line G5, the second row grid line G2 are gated by connected driver successively.
Wherein, a pixel cell can be included in each pixel groups A, at least two pixel cells are preferably included, now
Can improve direction where grid line, that is, horizontal striped and color offset phenomenon generation.
Wherein, each pixel cell includes red sub-pixel, green sub-pixels, the sub- picture of blueness
Element.Certainly, each pixel cell is also not limited to the sub-pixel of three kinds of different colours, can also include white, wine it is red etc. other
The sub-pixel of color.
Embodiment 2：
The present embodiment provides a kind of driving method of display panel, and the display panel is the display surface described in embodiment 1
Plate.
The driving method of the present embodiment is specifically included：When showing a frame picture, driving in turn is located at the grid line of odd-numbered line
With the grid line positioned at even number line；Wherein, if driving, positioned at the grid line of odd-numbered line, drives be located at from bottom to up from top to bottom successively
The grid line of even number line；If driving from bottom to up drives the grid positioned at even number line from top to bottom positioned at the grid line of odd-numbered line successively
Line.
Wherein, every grid line is respectively provided with first end and the second end；If the grid line positioned at odd-numbered line is from first end to
Two ends are driven, then the grid line positioned at even number line is driven from the second end to first end；Or, if positioned at odd-numbered line grid line from
Second end is driven to first end, then the grid line positioned at even number line is driven from first end to the second end.
Specifically, with reference to shown in Fig. 1 and 2, being illustrated by taking Article 2 grid line G2 and Article 3 grid line G3 as an example, Article 2
Be connected with grid line G2 in the first row pixel n1 each even number pixel groups A (in namely the first row pixel n1 the 2nd,
4th, 6..... pixel groups A), and each odd number of pixels group A (namely the second row pixels in the second row pixel cell
In n2 the 1st, 3,5..... pixel groups A)；Each even number in the second row pixel n2 is connected with Article 3 grid line G3
Pixel groups A (in namely the second row pixel n2 the 2nd, 4,6..... pixel groups A), and each in the third line pixel n3
Odd number of pixels group A (in namely the third line pixel n3 the 1st, 3,5..... pixel groups A).
Wherein, the polarity of the data voltage inputted positioned at the pixel cell of same row is identical.Therefore it can suppress
The problem of there is vertical crosstalk in display in display panel.
Further, a plurality of data wire is divided into it is multigroup, per adjacent M data lines be one group, M be more than etc.
In 1 integer；Wherein, by the opposite polarity of the data voltage inputted on any two adjacent sets data wire.Now not only can be with
Suppress the problem of display panel vertical crosstalk occurs in display, display panel can also be suppressed and the crosstalk of horizontal direction occur.
That is, the polarity of the voltage on first and third, five, seven data lines (S1, S3, S5, S7) shown in Fig. 1
Identical, the polarity of the voltage on second, four, six data lines (S2, S4, S6) is identical, and the present embodiment is to use column inversion
The type of drive of (Column Inversion), therefore power consumption can be saved.
In the present embodiment, if for odd-numbered line grid line using forward scan (namely from the first end of grid line to the
Two ends are scanned), then the grid line of several rows of antithesis (namely is swept using reverse scan from the second end of grid line to first end
Retouch)；Two adjacent lines grid lines are scanned by the driving scanning signal of positive and negative alternate, therefore offset vertical crosstalk coupling electricity
Pressure, while also can display inequality caused by matching impedance difference.And sweep interlacing driving by positive and negative so that the present embodiment
In same unit pixel group A be scanned from adjacent pixels group A using different grid lines, driving force difference is reduced with this.
Embodiment 3：
The present embodiment provides a kind of display device, and it includes the display panel in embodiment 1.
The display device can be：Mobile phone, tablet personal computer, television set, display, notebook computer, DPF, navigation
Any product or part with display function such as instrument.
Certainly, other conventional structures can also be included in the display device of the present embodiment, such as power subsystem, display driving are single
Member etc..
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a kind of display panel, it includes a plurality of grid line arranged in a crossed manner and a plurality of data lines, and in the grid line and the number
According to limiting pixel cell at the crossover location of line, it is characterised in that multiple pixel cells are divided into multiple pixel groups,
And positioned at being a pixel groups with every N number of adjacent pixel cell in a line, N is the integer more than or equal to 1；Wherein,
Per a line grid line, for driving the even number pixel groups in the lastrow pixel cell of the grid line, and it is located at
Odd number of pixels group in the grid line next line pixel cell；
Or,
Per a line grid line, for driving the odd number of pixels group in the lastrow pixel cell of the grid line, and it is located at
Even number pixel groups in the grid line next line pixel cell；
Every grid line is respectively provided with first end and the second end；The display panel includes first grid driver and second grid drives
Device；Wherein,
The first end of one of any two adjacent grid line is connected with first grid driver, the end of another one second and second grid
Driver is connected；
When showing a frame picture, first grid driver and second grid driver take turns to operate, and first grid driver
Drive connected each bar grid line from top to bottom successively, second grid driver drives connected each bar grid from bottom to up
Line；Or, first grid driver drives connected each bar grid line from bottom to up successively, and second grid driver is from up to
The lower connected each bar grid line of driving.
2. display panel according to claim 1, it is characterised in that include a picture in each pixel groups
Plain unit.
3. display panel according to claim 1, it is characterised in that include at least two institutes in each pixel groups
State pixel cell.
4. display panel according to claim 1, it is characterised in that each pixel cell includes a red son
Pixel, green sub-pixels, a blue subpixels.
5. a kind of driving method of the display panel as any one of claim 1-4, it is characterised in that including：
When showing a frame picture, driving in turn is located at the grid line and the grid line positioned at even number line of odd-numbered line；Wherein, if successively from
Up to lower driving is positioned at the grid line of odd-numbered line, then driving is located at the grid line of even number line from bottom to up；If driving from bottom to up successively
Positioned at the grid line of odd-numbered line, then driving is located at the grid line of even number line from top to bottom.
6. driving method according to claim 5, it is characterised in that every grid line is respectively provided with first end and second
End；If the grid line positioned at odd-numbered line is driven from first end to the second end, the grid line positioned at even number line is from the second end to first
End is driven；Or, if the grid line positioned at odd-numbered line is driven from the second end to first end, the grid line positioned at even number line is from
One end is driven to the second end.
7. the driving method according to claim 5 or 6, it is characterised in that the pixel cell institute positioned at same row is defeated
The polarity of the data voltage entered is identical.
8. driving method according to claim 7, it is characterised in that a plurality of data wire is divided into multigroup, every phase
Adjacent M data lines are one group, and M is the integer more than or equal to 1；Wherein,
By the opposite polarity of the data voltage inputted on any two adjacent sets data wire.
9. a kind of display device, it is characterised in that the display device includes display surface any one of claim 1-4
Plate.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111415618B (en) * | 2020-04-29 | 2021-08-17 | 京东方科技集团股份有限公司 | Display driving method and display device |
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| KR102513640B1 (en) * | 2016-09-30 | 2023-03-23 | 엘지디스플레이 주식회사 | Display device with a built-in touch screen and method for driving the saem |
| CN108169970B (en) * | 2018-01-02 | 2022-02-18 | 京东方科技集团股份有限公司 | Display substrate, driving method thereof and display device |
| CN108269546A (en) * | 2018-02-01 | 2018-07-10 | 合肥京东方显示技术有限公司 | Gate driving circuit and its driving method, display panel, display device |
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| KR100945581B1 (en) * | 2003-06-23 | 2010-03-08 | 삼성전자주식회사 | Liquid crystal display and driving method thereof |
| CN103901685B (en) * | 2012-12-31 | 2016-07-06 | 厦门天马微电子有限公司 | A kind of liquid crystal display |
| CN103293732B (en) * | 2013-05-31 | 2015-11-25 | 京东方科技集团股份有限公司 | Liquid crystal panel drive method and liquid crystal panel |
| CN103399440A (en) * | 2013-08-08 | 2013-11-20 | 京东方科技集团股份有限公司 | Array substrate, display device and drive method |
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| CN111415618B (en) * | 2020-04-29 | 2021-08-17 | 京东方科技集团股份有限公司 | Display driving method and display device |
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