CN104575431B - A kind of driving method of display panel, display panel and display device - Google Patents
A kind of driving method of display panel, display panel and display device Download PDFInfo
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- CN104575431B CN104575431B CN201510054839.8A CN201510054839A CN104575431B CN 104575431 B CN104575431 B CN 104575431B CN 201510054839 A CN201510054839 A CN 201510054839A CN 104575431 B CN104575431 B CN 104575431B
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Abstract
The invention discloses a kind of driving method of display panel, display panel and display device, opposite polarity signal is inputted to the sub-pix in every row pixel at interval of same color in two pixels of a pixel, and opposite polarity signal is inputted to the sub-pix of same color in each pixel co-located in adjacent lines, the signal that so sub-pix of each color is applied in every row pixel can reach balanced polarities on the whole, because the signal polarity of same sub-pixel location application is opposite between adjacent lines pixel, the signal polarity applied between adjacent lines pixel has also reached balance, relative to often neighboring sub-pixel applies opposite polarity signal in row pixel in the prior art, the driving method of display panel provided in an embodiment of the present invention, the signal polarity applied in each pixel all reaches balance on the whole, and then improve the uneven caused coupling distortion phenomenon of the signal polarity applied in pixel, so as to improve the phenomenon for the picture green light that display panel is shown.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of driving method of display panel, display panel and display
Device.
Background technology
At present, Display Technique is widely used in the display of TV, mobile phone and public information, for the flat of display picture
Panel display is widelyd popularize because of the advantage of its ultra-thin energy-saving.In liquid crystal display is shown, in order to extend the use of liquid crystal
Life-span, the pel array of liquid crystal panel employs the mode of polarity inversion, mainly including dot inversion (Dot Inversion), 2 rows
Invert (2Line), 1+2 rows reversion (1+2Line).Specifically, so-called dot inversion is the pole of the pixel electrode of neighboring sub-pixel
Property is opposite；The reversion of so-called 2 row is the opposite polarity of every two in the ranks pixel electrodes；So-called 1+2 rows reversion is to remove the first row picture
Outside plain electrode, the opposite polarity of the in the ranks pixel electrode of remaining pixel electrode every two.
Existing tri- sub-pix grous of display panel RGB into dot structure in frequently be laterally applied to it is positive and negative (+-
As shown in Figure 1a the pixel driver mode of+-) polar signal, i.e., be substantially single with positive and negative (+-) in units of two sub-pixs
Position is repeated as each sub-pix on-load voltage signal from left to right, when showing red pattern, and as shown in Figure 1 b, it shows red
The signal polarity of each sub-pix is repeated with positive and negative (+-) for base unit, therefore the positive-negative polarity of each sub-pix signal balances each other,
It is red so as to normal display；When showing yellow pattern, as illustrated in figure 1 c, it shows each sub- picture of yellow (red+green)
The signal polarity of element is repeated with positive and negative negative and positive (+--+) for base unit, therefore the positive-negative polarity of each sub-pix signal balances each other,
So as to normal display yellow；When display is by the colour image of the color Overlapping displays of RGB RGB tri-, as shown in Figure 1 d, it shows
Show that the polarity of each sub-pix signal of color is repeated with positive negative and positive (+-+) for base unit, because positive signal is more than negative pole
Property signal, therefore, the polarity bias of each sub-pix signal is in positive polarity, so that the signal polarity that applies in each pixel is uneven,
Coupled in series distortion occurs for the signal applied in final pixel, and the phenomenon of green light occurs in the picture for causing display panel to show.
Therefore, the phenomenon for the picture green light that display panel is shown how is improved, so as to improve the picture that display panel is shown
Face quality, is those skilled in the art's urgent problem to be solved.
The content of the invention
The embodiments of the invention provide a kind of driving method of display panel, display panel and display device, to solve
The phenomenon for the picture green light that display panel present in prior art is shown.
The embodiments of the invention provide a kind of driving method of display panel, including：
Within the display time of a frame, in every row pixel at interval of the Asia of same color in two pixels of a pixel
Pixel inputs opposite polarity signal, and the sub-pix of same color in each pixel co-located in adjacent lines is inputted
Opposite polarity signal.
It is right in the driving method of above-mentioned display panel provided in an embodiment of the present invention in a kind of possible embodiment
Often the sub-pix in row pixel at interval of same color in two pixels of a pixel inputs opposite polarity signal, specific bag
Include：Apply the signal of polar cycle to every row pixel, each polar cycle includes 4n pixel, and n is more than or equal to 1
Integer.
It is right in the driving method of above-mentioned display panel provided in an embodiment of the present invention in a kind of possible embodiment
The signal polarity that often sub-pix of at least one of two pixels adjacent in row pixel color applies is identical.
It is right in the driving method of above-mentioned display panel provided in an embodiment of the present invention in a kind of possible embodiment
The signal that often at least one sub-pix in row pixel at least one pixel applies applies with other sub-pixs in the pixel
Signal polarity it is opposite.
In a kind of possible embodiment, in the driving method of above-mentioned display panel provided in an embodiment of the present invention, often
The individual pixel by the different sub-pix grou of at least three colors into.
The embodiments of the invention provide a kind of driving method drive using above-mentioned display panel provided in an embodiment of the present invention
Dynamic display panel, including：The pixel arranged in array, and each pixel by least three sub-pix grous into.
In a kind of possible embodiment, in above-mentioned display panel provided in an embodiment of the present invention, in each pixel
The color of the sub-pix of same position is identical.
The embodiments of the invention provide a kind of display device, including above-mentioned display panel provided in an embodiment of the present invention.
The beneficial effect of the embodiment of the present invention includes：
The embodiments of the invention provide a kind of driving method of display panel, display panel and display device, in a frame
In the display time, opposite polarity is inputted to the sub-pix in every row pixel at interval of same color in two pixels of a pixel
Signal, and opposite polarity signal is inputted to the sub-pix of same color in each pixel co-located in adjacent lines,
So within the display time of a frame, the signal that the sub-pix of each color in every row pixel is applied can be reached on the whole
The signal polarity applied between balanced polarities, adjacent lines pixel by same sub-pixel location is on the contrary, institute between adjacent lines pixel
The signal polarity of application has also reached balance, relative to often neighboring sub-pixel applies opposite polarity in row pixel in the prior art
Signal, the driving method of display panel provided in an embodiment of the present invention is whole to the signal polarity that each pixel applies on display panel
Balance is all reached on body, and then improves the uneven caused coupling distortion phenomenon of the signal polarity applied in pixel, so as to have
Effect improves the phenomenon for the picture green light that display panel is shown.
Brief description of the drawings
Fig. 1 a- Fig. 1 d be respectively each sub-pix is applied in display panel in the prior art signal polarity schematic diagram it
One；
Fig. 2 is the driving method flow chart of display panel provided in an embodiment of the present invention；
Fig. 3 a- Fig. 3 f are respectively the polar cycle letter applied in the driving method of display panel provided in an embodiment of the present invention
One of number schematic diagram；
Fig. 4 a- Fig. 4 f are respectively another polarity week applied in the driving method of display panel provided in an embodiment of the present invention
One of phase signal schematic representation.
Embodiment
Below in conjunction with the accompanying drawings, the driving method of display panel provided in an embodiment of the present invention, display panel and display are filled
The embodiment put is described in detail.
The embodiments of the invention provide a kind of driving method of display panel, as shown in Fig. 2 following step can be specifically included
Suddenly：
S101, within the display time of a frame, in every row pixel at interval of identical face in two pixels of a pixel
The sub-pix of color inputs opposite polarity signal；
S102, the sub-pix to same color in each pixel co-located in adjacent lines input opposite polarity letter
Number.
In the driving method of above-mentioned display panel provided in an embodiment of the present invention, in every row pixel at interval of a pixel
Two pixels in the sub-pix of same color input opposite polarity signal, and to each picture co-located in adjacent lines
The sub-pix of same color inputs opposite polarity signal in element, so within the display time of a frame, to every in every row pixel
The signal that the sub-pix of one color is applied can reach between balanced polarities, adjacent lines pixel due to same sub-pixel on the whole
The signal polarity that position applies is on the contrary, the signal polarity applied between adjacent lines pixel has also reached balance, relative to existing
Often neighboring sub-pixel applies opposite polarity signal, the driving of display panel provided in an embodiment of the present invention in row pixel in technology
Method, all reaches balance, and then improve what is applied in pixel on the whole to the signal polarity that each pixel applies on display panel
Coupling distortion phenomenon caused by signal polarity is uneven, so as to effectively improve showing for the picture green light that display panel is shown
As.
In the specific implementation, in the driving method of above-mentioned display panel provided in an embodiment of the present invention, in order to reach to every
The signal that the sub-pix of each color is applied in row pixel reaches balance on the whole, and step S101 implementation can be specific
Including：Apply the signal of polar cycle to every row pixel, each polar cycle includes 4n pixel, and n is more than or equal to 1
Integer.Specifically, every row pixel can be grouped, using 4n pixel as one group, wherein n is the integer more than or equal to 1,
And then in units of group one-row pixels are applied with the signal of polar cycle, for example, using 4 pixels as one in one-row pixels
Group a, pixel is included exemplified by 3 sub-pixs, wherein three sub-pixs are respectively R, G, B, as shown in Figure 3 a, 4 pixels are one
Group, the signal applied is a polar cycle signal, and one polar cycle signal can be born to be positive and negative, just, negative and positive
Just, bear it is negative negative (+--, +++ ,-++, ---), wherein, as shown in Figure 3 b, the signal that R sub-pixs are applied with it is positive and negative it is negative (+,
+ ,-, -) repeated for base unit；As shown in Figure 3 c, the signal that G sub-pixs are applied with negative and positive it is positive and negative (- ,+,+, -) be basic
Unit is repeated；As shown in Figure 3 d, the signal that B sub-pixs are applied with negative and positive it is positive and negative (- ,+,+, -) for base unit repeat；As schemed
Shown in 3e, during display yellow pattern, the signal that R+B sub-pixs are applied is with positive and negative, just, negative and positive, negative (+-, ++, -+, --)
Repeated for base unit；As illustrated in figure 3f, when display combines the multicolour pattern of display by three kinds of colors of RGB, in one-row pixels
The signal applied is positive and negative negative with polar cycle signal, and negative and positive just (+-- ,-++) repeats for base unit, applies in one group of pixel
Signal reach balanced polarities on the whole；It follows that the signal that the sub-pix of each color is applied all reaches on the whole
No matter balanced polarities, show solid color pattern, or the multicolour pattern that each color sub-pix combination of display is shown, display panel
The signal that upper each pixel applies all has reached balanced polarities on the whole, therefore applies above-mentioned to one-row pixels so in units of group
Polar cycle signal, can cause the signal that one-row pixels are applied to reach that integral polarity is balanced.
In the specific implementation, in the driving method of above-mentioned display panel provided in an embodiment of the present invention, in order to reach to every
The signal that the sub-pix of each color is applied in row pixel reaches balance on the whole, and pole is applied to one-row pixels in units of group
The signal of sexual cycle property, as shown in fig. 4 a, one of polar cycle signal can also be positive and negative negative for negative and positive just, just, bear
It is negative negative (- ++, +++ ,+--, ---), wherein, as shown in Figure 4 b, the signal that R sub-pixs are applied with negative and positive it is positive and negative (- ,+,+, -)
Repeated for base unit；As illustrated in fig. 4 c, the signal that G sub-pixs are applied with it is positive and negative it is negative (+,+,-, -) be base unit weight
It is multiple；As shown in figure 4d, the signal that B sub-pixs are applied with it is positive and negative it is negative (+,+,-, -) repeated for base unit；Such as Fig. 4 e institutes
Show, during display yellow pattern, the signal that R+B sub-pixs are applied is just, positive and negative with negative and positive, negative (-+, ++ ,+-, --) it is base
Our unit repeats；As shown in fig. 4f, when display combines the multicolour pattern of display by three kinds of colors of RGB, applied in one-row pixels
Plus signal with polar cycle signal negative and positive just, positive and negative negative (- ++ ,+--) repeats, the letter applied in one group of pixel for base unit
Number balanced polarities are reached on the whole；It follows that the signal that the sub-pix of each color is applied all has reached polarity on the whole
No matter balance, show each on solid color pattern, or the multicolour pattern that each color sub-pix combination of display is shown, display panel
The signal that pixel applies all has reached balanced polarities on the whole, therefore applies above-mentioned polarity to one-row pixels so in units of group
Periodic signal, can cause the signal that one-row pixels are applied to reach that integral polarity is balanced.
It should be noted that only listing the driving that two specific embodiments illustrate the display panel that the present invention is provided above
Method, but be not limited only to above two embodiment, it is every to meet above-mentioned display panel provided in an embodiment of the present invention
The polar cycle signal of driving method, may be applicable to the driving method of above-mentioned display panel provided in an embodiment of the present invention,
This is not construed as limiting.
In the specific implementation, in the driving method of above-mentioned display panel provided in an embodiment of the present invention, in every row pixel
The signal polarity that the sub-pix of at least one of two adjacent pixels color applies is identical, in two so adjacent pixels
The signal polarity that the sub-pix of at least one color is applied is identical so that the signal polarity that two neighboring pixel is applied is not
It can be antipodal signal, in units of group one-row pixels be applied with the signal of polar cycle, so in every row pixel
The signal that the sub-pix of each color is applied can reach balanced polarities on the whole, relative in the prior art often in row pixel
Neighboring sub-pixel applies opposite polarity signal, the driving method of display panel provided in an embodiment of the present invention, to display panel
The signal polarity that upper each pixel applies all reaches balance on the whole, and then improves the signal polarity imbalance applied in pixel and lead
The coupling distortion phenomenon of cause, so as to effectively improve the phenomenon for the picture green light that display panel is shown.
In the specific implementation, in the driving method of above-mentioned display panel provided in an embodiment of the present invention, in every row pixel
The signal that at least one sub-pix at least one pixel applies and the signal polarity that other sub-pixs apply in the pixel
On the contrary, this ensure that the signal that all sub-pixs are applied in each pixel in one-row pixels will not be identical, using group as
Unit applies the signal of polar cycle to one-row pixels, and the signal applied to the sub-pix of each color in every row pixel is whole
Balanced polarities can be reached on body, relative to often neighboring sub-pixel applies opposite polarity signal in row pixel in the prior art,
The driving method of display panel provided in an embodiment of the present invention, the signal polarity applied to each pixel on display panel is on the whole all
Balance is reached, and then improves the uneven caused coupling distortion phenomenon of the signal polarity applied in pixel, so as to be effectively improved
The phenomenon for the picture green light that display panel is shown.
In the specific implementation, in the driving method of above-mentioned display panel provided in an embodiment of the present invention, each pixel is by extremely
The different sub-pix grou of few three colors is into specifically, the driving method of display panel provided in an embodiment of the present invention is applicable
In including the display panel of RGB three primary colours sub-pixs, it is readily applicable to include the display panel of many color sub-pixs such as RGBX,
It is not limited thereto.Above-mentioned driving method provided in an embodiment of the present invention is applied to the display surface of the sub-pix comprising multiple color
During plate, balanced polarities, adjacent lines picture can be reached on the whole to the signal that the sub-pix of each color in every row pixel is applied
By the signal polarity of same sub-pixel location application is on the contrary, the signal polarity applied between adjacent lines pixel also reaches between element
Balance is arrived, relative to often neighboring sub-pixel applies opposite polarity signal, the embodiment of the present invention in row pixel in the prior art
The driving method of the display panel of offer, all reaches balance to the signal polarity that each pixel applies on display panel, enters on the whole
And the uneven caused coupling distortion phenomenon of the signal polarity applied in pixel is improved, show so as to effectively improve display panel
The phenomenon for the picture green light shown.
Based on same inventive concept, above-mentioned display provided in an embodiment of the present invention is used the embodiments of the invention provide one kind
The display panel of the driving method driving of panel, the display panel can include：The pixel arranged in array, and each pixel is by extremely
Few three sub-pix grous into.Because the display panel uses the driving method solution of above-mentioned display panel provided in an embodiment of the present invention
Certainly problem, thus the display panel implementation may refer to above-mentioned display panel driving method implementation, repeat part no longer
Repeat.
In the specific implementation, in above-mentioned display panel provided in an embodiment of the present invention, same position in each pixel
The color of sub-pix is identical.So in units of group one-row pixels are applied with the signal of polar cycle, to every in every row pixel
The signal that the sub-pix of one color is applied can reach balanced polarities on the whole, relative to every phase in row pixel in the prior art
Adjacent sub-pix applies opposite polarity signal, the driving method of display panel provided in an embodiment of the present invention, on display panel
The signal polarity that each pixel applies all reaches balance on the whole, and then improves the signal polarity imbalance applied in pixel and cause
Coupling distortion phenomenon, so as to effectively improve the phenomenon for the picture green light that display panel is shown.
This is based on same inventive concept, and inventive embodiments provide a kind of display device, including the embodiment of the present invention is provided
Above-mentioned display panel.The display device can apply to mobile phone, tablet personal computer, television set, display, notebook computer, number
Any product or part with display function such as code-phase frame, navigator.Because the display device solves the principle of problem with showing
Show that panel is similar, therefore the implementation of the display device may refer to the implementation of above-mentioned display panel, repeats part and repeats no more.
The embodiments of the invention provide a kind of driving method of display panel, display panel and display device, in a frame
In the display time, opposite polarity is inputted to the sub-pix in every row pixel at interval of same color in two pixels of a pixel
Signal, and opposite polarity signal is inputted to the sub-pix of same color in each pixel co-located in adjacent lines,
So within the display time of a frame, the signal that the sub-pix of each color in every row pixel is applied can be reached on the whole
The signal polarity applied between balanced polarities, adjacent lines pixel by same sub-pixel location is on the contrary, institute between adjacent lines pixel
The signal polarity of application has also reached balance, relative to often neighboring sub-pixel applies opposite polarity in row pixel in the prior art
Signal, the driving method of display panel provided in an embodiment of the present invention is whole to the signal polarity that each pixel applies on display panel
Balance is all reached on body, and then improves the uneven caused coupling distortion phenomenon of the signal polarity applied in pixel, so as to have
Effect improves the phenomenon for the picture green light that display panel is shown.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (4)
1. a kind of driving method of display panel, it is characterised in that including：
Within the display time of a frame, apply the signal of polar cycle to every row pixel, each polar cycle includes 4n
Individual pixel, n is the integer more than or equal to 1；Wherein, to only one or two kinds of face in two pixels adjacent in every row pixel
The signal polarity that the sub-pix of color applies is identical；To in every row pixel at interval of same color in two pixels of a pixel
Sub-pix inputs opposite polarity signal；And it is defeated to the sub-pix of same color in each pixel co-located in adjacent lines
Enter opposite polarity signal；Each pixel by the different sub-pix grou of at least three colors into.
2. a kind of display panel of the driving method driving described in use claim 1, it is characterised in that including：Arranged in array
The pixel of row, and each pixel by least three sub-pix grous into.
3. display panel as claimed in claim 2, it is characterised in that the color of the sub-pix of same position in each pixel
It is identical.
4. a kind of display device, it is characterised in that including the display panel described in Claims 2 or 3.
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| CN201510054839.8A CN104575431B (en) | 2015-02-03 | 2015-02-03 | A kind of driving method of display panel, display panel and display device |
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| CN201510054839.8A CN104575431B (en) | 2015-02-03 | 2015-02-03 | A kind of driving method of display panel, display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105096802A (en) * | 2015-08-21 | 2015-11-25 | 深圳市华星光电技术有限公司 | Driving method and device of four-color display |
| CN107301851A (en) * | 2017-08-03 | 2017-10-27 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and the liquid crystal display device with liquid crystal display panel |
| US10297215B2 (en) | 2017-08-03 | 2019-05-21 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Liquid crystal display panel having alternate polarities for pairs of pixels in column and liquid crystal display device having the same |
| CN109671404B (en) * | 2018-12-27 | 2021-05-07 | 惠科股份有限公司 | Display panel driving method and driving device thereof, and display device |
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| JP2002244621A (en) * | 2001-02-06 | 2002-08-30 | Internatl Business Mach Corp <Ibm> | Display device, and liquid crystal display device and driving method therefor |
| CN101317212B (en) * | 2005-11-30 | 2012-07-04 | 夏普株式会社 | Display device and method for driving display member |
| WO2007088656A1 (en) * | 2006-02-02 | 2007-08-09 | Sharp Kabushiki Kaisha | Display |
| TWI393107B (en) * | 2008-07-02 | 2013-04-11 | Au Optronics Corp | Liquid crystal display device |
| KR20130049618A (en) * | 2011-11-04 | 2013-05-14 | 삼성디스플레이 주식회사 | Display device and driving method thereof |
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