CN103824548B - Display panel driving method and display panel - Google Patents
Display panel driving method and display panel Download PDFInfo
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- CN103824548B CN103824548B CN201310716426.2A CN201310716426A CN103824548B CN 103824548 B CN103824548 B CN 103824548B CN 201310716426 A CN201310716426 A CN 201310716426A CN 103824548 B CN103824548 B CN 103824548B
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Abstract
The invention provides a driving method of a display panel and the display panel, the display panel comprises a plurality of pixels, a plurality of scanning lines and a plurality of data lines, each data line is coupled to the pixel at the first side and the pixel at the second side, the pixel at the first side of the data lines is coupled to the corresponding odd scanning line, the pixel at the second side of the data lines is coupled to the corresponding even scanning line, the driving method comprises the steps of driving the pixels at the first side of the data lines according to a first gray scale value and a first gamma curve; and driving the pixels on the second side of the data lines according to the first gray-scale value and a second gamma curve; wherein the second gamma curve is different from the first gamma curve.
Description
Technical field
The present invention relates to a kind of driving method of display panel, especially relate to a kind of driving method improving the display panel of image quality.
Background technology
Generally speaking, display panels includes multiple pixel, a plurality of data lines, multi-strip scanning line, gate driver circuit and source electrode drive circuit.Gate driver circuit is used for providing signal to pixel via sweep trace, to control the open and close of pixel.Source electrode drive circuit is used for via data line write data-signal in the pixel be unlocked.In the display panels of half source drive (halfsourcedriving, HSD) framework, each data line is used for transmission of data signals in the pixel of its left and right sides, to drive pixel display frame.But, the pixel of each data line left and right sides easily because manufacturing process or other factors cause the pixel characteristic of the data line left and right sides variant, therefore make data line left pixel and the brightness of data line right pixel under same grey decision-making different.Above-mentioned luminance difference can cause on the picture of display panels linear striped (linemura), and then has a strong impact on the image quality of display panels.For example, when the closer leftmost pixel of data line or closer right pixels, the coupling capacitance of data line the right and left pixel can be caused unequal, and then cause limit two, data line left and right pixel intensity different, that is produce linear fringe effects; Or when the density unevenness of photosensitive interval (photospacer) unit of panel, orientation ability between pixel can be caused different, and then cause brightness between pixel not identical, that is produce linear fringe effects; Or when the open region dislocation of data line the right and left pixel, the aperture opening ratio of the pixel on limit, data line left and right can be caused different, and then cause data line the right and left pixel intensity not identical, that is produce linear fringe effects.The display panels of existing semi-source pole driving architecture also cannot solve the problem effectively.
Summary of the invention
The object of the present invention is to provide a kind of driving method improving the display panel of image quality, to solve the problem of prior art.
The invention provides a kind of driving method of display panel, this display panel comprises multiple pixel, multi-strip scanning line and a plurality of data lines, each data line is coupled to the pixel of its first side and the pixel of the second side thereof, the pixel of those data line first sides is coupled to corresponding odd-numbered scan lines, the pixel of those data line second sides is coupled to corresponding even-line interlace line, and this driving method comprises the pixel driving those data line first sides according to the first grey decision-making and the first gamma curve; And the pixel of those data line second sides is driven according to this first grey decision-making and the second gamma curve; Wherein this second gamma curve is different from this first gamma curve.
The present invention separately provides a kind of display panel, comprises multiple pixel, a plurality of data lines, multi-strip scanning line, and source electrode drive circuit.Each data line is coupled to the pixel of its first side and the pixel of the second side thereof.Those sweep traces are in order to provide sweep signal to those pixels, and the odd-numbered scan lines of those sweep traces is coupled to the pixel of those data line first sides, and the even-line interlace line of those sweep traces is coupled to the pixel of those data line second sides.This source electrode drive circuit is coupled to those data lines, in order to the pixel of the pixel and those data lines second side that drive those data line first sides via those data lines respectively, this source electrode drive circuit drives the pixel of those data line first sides according to the first grey decision-making and one first gamma curve, and drives the pixel of those data line second sides according to this first grey decision-making and the second gamma curve.Wherein this second gamma curve is different from this first gamma curve.
Compared to prior art, at half source drive (halfsourcedriving, in the display panel of HSD) framework, the driving method of display panel of the present invention can provide two different gamma curves with the pixel of the driving data line left and right sides respectively under same grey decision-making, to avoid linear fringe phenomena, and then improve the image quality of display panel.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of display panel of the present invention;
Fig. 2 is displaying panel driving method of the present invention according to the schematic diagram of the pixel of the first grey decision-making and the first gamma curve driving data line first side;
Fig. 3 is displaying panel driving method of the present invention according to the schematic diagram of the pixel of the first grey decision-making and the first gamma curve driving data line second side;
Fig. 4 is the schematic diagram of the first embodiment of displaying panel driving method of the present invention adjustment gamma curve;
Fig. 5 is the schematic diagram of the second embodiment of displaying panel driving method of the present invention adjustment gamma curve;
Fig. 6 is the process flow diagram of the driving method of display panel of the present invention.
Reference numeral
Embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of display panel of the present invention.As shown in Figure 1, display panel 100 of the present invention includes multiple pixel PL, PR, a plurality of data lines D1 ~ Dn, multi-strip scanning line G1 ~ Gn, gate driver circuit 110 and source electrode drive circuit 120.Each data line D1 ~ Dn is coupled to the pixel PL of its first side (such as left side) and the pixel PR on the second side (such as right side) thereof.In multi-strip scanning line G1 ~ Gn, odd-numbered scan lines is coupled to the pixel PL of data line D1 ~ Dn first side, and even-line interlace line is coupled to the pixel PR of data line D1 ~ Dn second side.Gate driver circuit 110 is in order to provide sweep signal to corresponding pixel PL, PR with on-pixel via sweep trace G1 ~ Gn.Source electrode drive circuit 120 is coupled to data line D1 ~ Dn, in order to provide data-signal via data line D1 ~ Dn, with the difference pixel PL of driving data line D1 ~ Dn first side and the pixel PR of data line D1 ~ Dn second side.
Referring to Fig. 2 and Fig. 3, and in the lump with reference to Fig. 1.Fig. 2 is displaying panel driving method of the present invention according to the schematic diagram of the pixel of the first grey decision-making and the first gamma curve driving data line first side.Fig. 3 is displaying panel driving method of the present invention according to the schematic diagram of the pixel of the first grey decision-making and the first gamma curve driving data line second side.As shown in the figure, as pixel PL according to the first grey decision-making and first gamma curve driving data line D1 ~ Dn first side, (the pixel PL of data line D1 ~ Dn first side is unlocked, and the pixel PR of data line D1 ~ Dn second side is closed), displaying panel driving method of the present invention can the first brightness value B1 of pixel PL of metric data line D1 ~ Dn first side.And as pixel PR according to the first grey decision-making and first gamma curve driving data line D1 ~ Dn second side, (the pixel PL of data line D1 ~ Dn first side is closed, and the pixel PR of data line D1 ~ Dn second side is unlocked), displaying panel driving method of the present invention can the second brightness value B2 of pixel PR of metric data line D1 ~ Dn second side.When the first brightness value B1 and the second brightness value B2 is variant, for avoiding linear striped (linemura) phenomenon, displaying panel driving method of the present invention can obtain the second gamma curve according to the first gamma curve, the first brightness value B1 and the second brightness value B2, and further according to the pixel PR of the first grey decision-making and second gamma curve driving data line D1 ~ Dn second side, under same grey decision-making, have same brightness to make data line D1 ~ Dn left pixel PL and data line D1 ~ Dn right pixel PR.
For example, please refer to Fig. 4, and in the lump with reference to Fig. 2 and Fig. 3.Fig. 4 is the schematic diagram of the first embodiment of displaying panel driving method of the present invention adjustment gamma curve.As shown in Figure 4, suppose that the first grey decision-making is 186, and the first gamma curve C1 is gamma 2.2 curve, as the pixel PL respectively according to the first grey decision-making and first gamma curve driving data line D1 ~ Dn first side and the second side, during PR, first brightness value B1 is compared with high 17 nits (nits) of the second brightness value B2, in order to the brightness of the pixel PR making the pixel PL of data line D1 ~ Dn first side and data line D1 ~ Dn second side is identical, displaying panel driving method of the present invention can change the gamma value of gamma curve according to luminance difference, to obtain the second gamma curve C2, such as gamma 2.0 curve, and the brightness of the second gamma curve C2 17 nits high compared with the brightness of the first gamma curve under the first grey decision-making.So, displaying panel driving method of the present invention can according to the pixel PR of the first grey decision-making and second gamma curve driving data line D1 ~ Dn second side, identical with the brightness of the pixel PR making the pixel PL of data line D1 ~ Dn first side and data line D1 ~ Dn second side.
Relatively, displaying panel driving method of the present invention also can change the gamma curve of the pixel PL of data line D1 ~ Dn first side, to reduce the brightness of the pixel PL of data line D1 ~ Dn first side, and then make the brightness of the pixel PR of the pixel PL of data line D1 ~ Dn first side and data line D1 ~ Dn second side identical.
On the other hand, except changing the gamma value of gamma curve, displaying panel driving method of the present invention also can by the first gamma curve translation to obtain the second gamma curve.For example, as shown in Figure 5, when the first brightness value B1 is compared with the second high 17 nit of brightness value B2, in order to the brightness of the pixel PR making the pixel PL of data line D1 ~ Dn first side and data line D1 ~ Dn second side is identical, displaying panel driving method of the present invention can according to luminance difference to left first gamma curve C1, to obtain the second gamma curve C2, and the brightness of the second gamma curve C2 17 nits high compared with the brightness of the first gamma curve under the first grey decision-making.So, displaying panel driving method of the present invention can according to the pixel PR of the first grey decision-making and second gamma curve driving data line D1 ~ Dn second side, identical with the brightness of the pixel PR making the pixel PL of data line D1 ~ Dn first side and data line D1 ~ Dn second side.
Relatively, displaying panel driving method of the present invention also can the gamma curve of the pixel PL of translation data line D1 ~ Dn first side to the right, to reduce the brightness of the pixel PL of data line D1 ~ Dn first side, and then make the brightness of the pixel PR of the pixel PL of data line D1 ~ Dn first side and data line D1 ~ Dn second side identical.
In addition, display panel of the present invention separately can comprise a look-up table 130, in order to store the first gamma curve corresponding to the first grey decision-making and the second gamma curve, and stores other group gamma curve corresponding to other grey decision-making.Source electrode drive circuit 110 like this can distinguish the pixel PL of driving data line D1 ~ Dn first side and the pixel PR of data line D1 ~ Dn second side, to avoid linear fringe phenomena according to look-up table 130 via data line D1 ~ Dn.
Please refer to Fig. 6, Fig. 6 is the process flow diagram 600 of the driving method of display panel of the present invention.The flow process of the driving method of display panel of the present invention is as the following step:
Step 610: provide a display panel to comprise multiple pixel, multi-strip scanning line and a plurality of data lines, each data line is coupled to the pixel of its first side and the pixel of the second side thereof, the pixel of those data line first sides is coupled to corresponding odd-numbered scan lines, and the pixel of those data line second sides is coupled to corresponding even-line interlace line;
Step 620: the pixel driving those data line first sides according to the first grey decision-making and the first gamma curve; And
Step 630: the pixel driving those data line second sides according to this first grey decision-making and one second gamma curve.
Compared to prior art, at half source drive (halfsourcedriving, in the display panel of HSD) framework, the driving method of display panel of the present invention can provide two different gamma curves with the pixel of the driving data line left and right sides respectively under same grey decision-making, to avoid linear fringe phenomena, and then improve the image quality of display panel.
Claims (10)
1. the driving method of a display panel, it is characterized in that, this display panel comprises multiple pixel, multi-strip scanning line and a plurality of data lines, each data line is coupled to the pixel of its first side and the pixel of the second side thereof, the pixel of this first side and the pixel of this second side are to should the phase heteropleural of data line distribute, the pixel of those data line first sides is coupled to corresponding odd-numbered scan lines, and the pixel of those data line second sides is coupled to corresponding even-line interlace line, and this driving method comprises:
The pixel of those data line first sides is driven according to one first grey decision-making and one first gamma curve; And
The pixel of those data line second sides is driven according to this first grey decision-making and one second gamma curve;
Wherein this second gamma curve is different from this first gamma curve.
2. driving method according to claim 1, is characterized in that, the gamma value of this first gamma curve and this second gamma curve is different.
3. driving method according to claim 1, is characterized in that, this second gamma curve is the translation curve of this first gamma curve.
4. driving method according to claim 1, it is characterized in that, when driving the pixel of those data line first sides according to this first grey decision-making and this first gamma curve, and when driving the pixel of those data line second sides according to this first grey decision-making and this second gamma curve, the brightness of the pixel of those data line first sides and the pixel of those data lines second side is identical.
5. driving method according to claim 1, is characterized in that, separately comprises:
The pixel of those data line first sides is driven according to this first grey decision-making and this first gamma curve;
Measure one first brightness value of the pixel of those data line first sides;
The pixel of those data line second sides is driven according to this first grey decision-making and this first gamma curve;
Measure one second brightness value of the pixel of those data line second sides; And
This second gamma curve is obtained according to this first gamma curve, this first brightness value and this second brightness value.
6. a display panel, is characterized in that, comprises:
Multiple pixel;
A plurality of data lines, each data line is coupled to the pixel of its first side and the pixel of the second side thereof, and the pixel of this first side and the pixel of this second side are to should the phase heteropleural of data line distribute;
Multi-strip scanning line, in order to provide sweep signal to those pixels, the odd-numbered scan lines of those sweep traces is coupled to the pixel of those data line first sides, and the even-line interlace line of those sweep traces is coupled to the pixel of those data line second sides; And
One source pole driving circuit, be coupled to those data lines, in order to the pixel of the pixel and those data lines second side that drive those data line first sides via those data lines respectively, this source electrode drive circuit drives the pixel of those data line first sides according to one first grey decision-making and one first gamma curve, and drives the pixel of those data line second sides according to this first grey decision-making and one second gamma curve;
Wherein this second gamma curve is different from this first gamma curve.
7. display panel according to claim 6, is characterized in that, the gamma value of this first gamma curve and this second gamma curve is different.
8. display panel according to claim 6, is characterized in that, this second gamma curve is the translation curve of this first gamma curve.
9. display panel according to claim 6, it is characterized in that, when this source electrode drive circuit drives the pixel of those data line first sides according to this first grey decision-making and this first gamma curve, and when driving the pixel of those data line second sides according to this first grey decision-making and this second gamma curve, the brightness of the pixel of those data line first sides and the pixel of those data lines second side is identical.
10. display panel according to claim 6, it is characterized in that, separately comprise a look-up table, in order to store this first gamma curve and this second gamma curve, wherein this source electrode drive circuit drives the pixel of those data line first sides and the pixel of those data lines second side according to this look-up table respectively via those data lines.
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| Application Number | Priority Date | Filing Date | Title |
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| TW102141150A TWI497470B (en) | 2013-11-12 | 2013-11-12 | Display panel driving method and display panel |
| TW102141150 | 2013-11-12 |
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| CN103824548B true CN103824548B (en) | 2016-03-16 |
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| CN104376827B (en) * | 2014-11-26 | 2017-12-15 | 京东方科技集团股份有限公司 | The method and apparatus of correcting liquid crystal display device |
| CN106940503B (en) * | 2016-01-05 | 2020-04-24 | 群创光电股份有限公司 | Display device |
| TWI560486B (en) * | 2016-01-05 | 2016-12-01 | Innolux Corp | Display panel |
| CN108257544B (en) * | 2018-02-13 | 2021-05-11 | 厦门天马微电子有限公司 | Special-shaped display panel, driving method thereof and special-shaped display device |
| TWI682375B (en) * | 2018-10-08 | 2020-01-11 | 元太科技工業股份有限公司 | Pixel array |
| TWI709129B (en) * | 2019-12-18 | 2020-11-01 | 敦泰電子股份有限公司 | Extended gamma device of display panel and display device having the same |
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| KR100687041B1 (en) * | 2005-01-18 | 2007-02-27 | 삼성전자주식회사 | Source driving apparatus, display apparatus having the same, and source driving method |
| KR101206724B1 (en) * | 2006-02-23 | 2012-11-30 | 삼성디스플레이 주식회사 | Display apparatus |
| TWI396915B (en) * | 2008-11-14 | 2013-05-21 | Au Optronics Corp | Liquid crystal display and liquid crystal display panel thereof |
| TWI410941B (en) * | 2009-03-24 | 2013-10-01 | Au Optronics Corp | Liquid crystal display capable of reducing image flicker and method for driving the same |
| TWI413077B (en) * | 2009-05-05 | 2013-10-21 | Au Optronics Corp | Image display device |
| TWI384308B (en) * | 2009-07-01 | 2013-02-01 | Au Optronics Corp | Display apparatus and display driving method |
| TWI415055B (en) * | 2009-09-14 | 2013-11-11 | Au Optronics Corp | Pixel array and driving method thereof and flat panel display |
| TWI404014B (en) * | 2010-05-25 | 2013-08-01 | Au Optronics Corp | Display panel and driving circuit thereof |
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| TWI497470B (en) | 2015-08-21 |
| CN103824548A (en) | 2014-05-28 |
| TW201519197A (en) | 2015-05-16 |
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