CN101699556A - Liquid crystal display driving circuit and driving method thereof - Google Patents
Liquid crystal display driving circuit and driving method thereof Download PDFInfo
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- CN101699556A CN101699556A CN200910207597A CN200910207597A CN101699556A CN 101699556 A CN101699556 A CN 101699556A CN 200910207597 A CN200910207597 A CN 200910207597A CN 200910207597 A CN200910207597 A CN 200910207597A CN 101699556 A CN101699556 A CN 101699556A
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Abstract
The invention provides a liquid crystal display (LCD) driving circuit which is suitable for a LCD panel. The LCD panel comprises a plurality of pixels, a plurality of scanning lines and at least one data line; the LCD driving circuit comprises a common electrode, a gate driving circuit and a source driving circuit; the scanning lines are divided into multiple groups of scanning groups and are arranged on the display panel according to a first order; the common electrode is used for outputting a common voltage; the gate driving circuit is coupled on the scanning line and is used for providing a switch voltage to the scanning line according to a second order, wherein, the second order is different from the first order; the source driving circuit is coupled on the data line and is used for providing a gray level voltage to the data line, and the gray level voltage is alternately higher than and lower than the common voltage; the operated pixels in the adjacent scanning groups are respectively provided with different polarity.
Description
Technical field
The present invention relates to a kind of liquid crystal display drive circuit and driving method thereof, relate in particular to a kind of liquid crystal display drive circuit and display drive method thereof with electricity-saving function.
Background technology
Fig. 1 is the driving circuit calcspar of conventional liquid crystal.LCD (LCD) driving circuit 10 is applied to a display panel 15, and this LCD driving circuit comprises time schedule controller 11, a gate driver circuit 12, one source pole driving circuit 13 and a public electrode 14.Display panel 15 comprises a plurality of pixels, multi-strip scanning line (scan line or gate line) X1～Xn and many data lines (data line orsource line) Y1～Ym, wherein, sweep trace X1～Xn couples gate driver circuit 12, and data line Y1～Ym couples source electrode drive circuit 13, in order to operate described a plurality of pixel.Each pixel is implemented by a thin film transistor (TFT) T1 and a storage capacitors C1, and wherein, storage capacitors C1 one end is coupled to the source electrode of thin film transistor (TFT) T1, and the other end is coupled to public electrode 14.The source electrode of thin film transistor (TFT) T1 is coupled to a data line, and its grid is coupled to the one scan line.When liquid crystal display drive circuit 10 work, gate driver circuit 12 is sent to sweep trace X1～Xn with switching voltage VTs, and then open a plurality of thin film transistor (TFT) T1 in order, and gray scale voltage VDs is sent to data line Y1～Ym by source electrode drive circuit 13, wherein, the storage capacitors C1 of each pixel can see through thin film transistor (TFT) T1 and receive gray scale voltage VDs, and then charges to a target voltage, in order to change the penetrance of liquid crystal (not shown).
In order to prevent that liquid crystal is damaged, generally can use the mode of alternating current to drive liquid crystal display drive circuit 10.That is, the gray scale voltage VDs of data line Y1～Ym can alternately be higher than common electric voltage VCOM and be lower than common electric voltage VCOM.Liquid crystal display-driving mode commonly used has two kinds, i.e. direct current common electric voltage type of drive (DC VCOM drive method) and common electric voltage wobble drive mode (VCOMswing drive method).
Fig. 2 A is the gray scale voltage of the data line of demonstration direct current common electric voltage type of drive and the oscillogram of common electric voltage.Fig. 2 B is the gray scale voltage of the data line of demonstration common electric voltage wobble drive mode and the oscillogram of common electric voltage.Direct current common electric voltage type of drive is applied to large-scale display panel usually, and its common electric voltage VCOM is positioned at a fixing horizontal.Common electric voltage wobble drive mode is applied to small-sized display panel usually, and its common electric voltage VCOM alternately switches on high-level voltage and low-level voltage, with corresponding gray scale voltage VDs.
Generally speaking, liquid crystal display drive circuit need drive 60 pictures (60Hz) 10 each second, and wherein, each picture is called a frame (frame).For fear of (crosstalk) effect of crosstalking, when showing a picture, source electrode drive circuit 13 can be a unit with a pixel or two pixels, uses so that the gray scale voltage VDs of data line Y1～Ym alternately is higher than common electric voltage VCOM and is lower than common electric voltage VCOM.For convenience of description, below gray scale voltage VDs is higher than common electric voltage VCOM and is called positive pole; And being lower than common electric voltage VCOM, gray scale voltage VDs is called negative pole.Fig. 3 shows the polarity of the gray scale voltage of each pixel in the picture, promptly by the polarity of each pixel of data line and sweep trace operation.As shown in Figure 3, gate driver circuit 12 is located at putting in order of display panel according to sweep trace X1～X12 and is provided a switching voltage VTs to each sweep trace respectively.Data line Y1 provides the gray scale voltage VDs with positive pole to the pixel of sweep trace X1 and X2 (sweep trace X1 and X2 form the scanning G1 of group) unlatching, then the polar switching of the gray scale voltage VDs of data line Y1 becomes negative pole, be that data line Y1 provides the VDs of the gray scale voltage with negative pole to the pixel of sweep trace X3 and X4 (sweep trace X3 and X4 form the scanning G2 of group) unlatching, the polar switching of the gray scale voltage VDs of data line Y1 no longer describes in detail as shown in Figure 3 afterwards.Fig. 4 has shown the waveform of data line Y1 and sweep trace X1～X12 among Fig. 3, wherein, the switching voltage of sweep trace X1 and X2 is that the gray scale voltage that high-caliber zone is positioned at data line Y1 is anodal zone, and the gray scale voltage of the switching voltage of sweep trace X3 and X4 to be high-caliber zone be overlapped in data line Y1 is the zone of negative pole.Be that data line Y1 and sweep trace X1 and the pairing pixel of X2 are positive pole, data line Y1 and sweep trace X3 and the pairing pixel of X4 are negative pole.
Because the gray scale voltage of data line Y1 constantly carries out the conversion of polarity, and counter plate discharges and recharges, and then causes the consumption of electric energy.Hence one can see that, and the conventional liquid crystal driving circuit still has many shortcomings and the space of improvement is arranged.
Summary of the invention
The invention provides a kind of liquid crystal display drive circuit, it is applicable to a display panels.Liquid crystal display drive circuit comprises a public electrode, a gate driver circuit and one source pole driving circuit.Display panels comprises a plurality of pixels, multi-strip scanning line and at least one data line.Described sweep trace is divided into many groups and scans group, and described scanning group by one first series arrangement is in this display panel.Public electrode is in order to export a common electric voltage.Gate driver circuit is coupled to described sweep trace, and provides a switching voltage according to one second order to each sweep trace, and wherein said second order is different from aforementioned first order.Source electrode drive circuit is coupled to data line, and so that a gray scale voltage to be provided to data line, and gray scale voltage alternately switches being higher than common electric voltage or being lower than between the common electric voltage.And gray scale voltage is higher than common electric voltage or is lower than the zone of common electric voltage, and corresponding to the high level zone of the switching voltage of the non-conterminous described scanning of many groups group, and operated described pixel has different polarity respectively in the adjacent scanning group.
The invention provides a kind of driving method, be suitable for driving a display panels.Display panels comprises a plurality of pixels, multi-strip scanning line and at least one data line, and wherein said sweep trace is divided into many groups and scans group, and described scanning group by one first series arrangement is in display panels.Driving method of the present invention comprises the following step: export a common electric voltage; Provide a switching voltage according to one second order to described sweep trace, wherein, second order is different from described first order; And provide a gray scale voltage to data line, gray scale voltage alternately switches being higher than common electric voltage and being lower than between the common electric voltage, wherein be higher than common electric voltage in the gray scale voltage or be lower than the zone of common electric voltage, corresponding to the high level zone of the switching voltage in the non-conterminous described scanning of the many groups group, use making that operated described pixel has different polarity respectively in the adjacent scanning group.
Liquid crystal display drive circuit of the present invention and driving method can make the gray scale voltage of data line be higher than common electric voltage or be lower than the zone of common electric voltage, corresponding to non-conterminous and have high level zone of many groups of the identical polar switching voltages in the scanning groups, and then reach the frequency of the polarity transformation that reduces gray scale voltage, have the effect of power saving.
Description of drawings
Fig. 1 is the synoptic diagram of traditional monitor driving circuit.
Fig. 2 A is the gray scale voltage of the data line of demonstration direct current common electric voltage type of drive and the oscillogram of common electric voltage.
Fig. 2 B is the gray scale voltage of the data line of demonstration common electric voltage wobble drive mode and the oscillogram of common electric voltage.
Fig. 3 is for showing the chart of the gray scale voltage polarity of each pixel in the picture.
Fig. 4 is the oscillogram of a data line and multi-strip scanning line in the displayed map 3.
Fig. 5 is the synoptic diagram of the circuit of display driving of demonstration one embodiment of the invention.
Fig. 6 is the oscillogram of a data line and multi-strip scanning line in the displayed map 5.
Fig. 7 is the data line of demonstration one embodiment of the invention and the oscillogram of multi-strip scanning line.
Fig. 8 is for showing the synoptic diagram of display drive method of the present invention.
Fig. 9 A is the data line of demonstration one embodiment of the invention and the oscillogram of a common electric voltage.
Fig. 9 B is the data line of demonstration one embodiment of the invention and the oscillogram of a common electric voltage.
The primary clustering symbol description:
10 liquid crystal display drive circuits
100 liquid crystal display drive circuits
11 time schedule controllers
110 internal memories
111 time schedule controllers
112 gate driver circuits
113 source electrode drive circuits
114 public electrodes
115 display panels
12 gate driver circuits
13 source electrode drive circuits
14 public electrodes
15 display panels
The C1 storage capacitors
The T1 thin film transistor (TFT)
G1～G6 scans group
X1～Xn sweep trace
Y1～Ym data line
Embodiment
Fig. 5 is the synoptic diagram of the circuit of display driving of one embodiment of the invention.Liquid crystal display drive circuit 100 comprises a gate driver circuit 112, one source pole driving circuit 113, a public electrode 114, it is applicable to a display panel 115, display panel 115 comprises a plurality of pixels and multi-strip scanning line X1～Xn and many data line Y1～Ym in order to operate these pixels, wherein, sweep trace X1～Xn couples gate driver circuit 112, and data line Y1～Ym couples source electrode drive circuit 113.Each pixel is implemented by a thin film transistor (TFT) T1 and a storage capacitors C1, wherein, storage capacitors C1 one end is coupled to the drain of thin film transistor (TFT) T1, and the other end is coupled to public electrode 114, the source electrode of thin film transistor (TFT) T1 is coupled to a data line, and its grid is coupled to the one scan line.Public electrode 114 is in order to export a common electric voltage VCOM.In the present embodiment, liquid crystal display drive circuit 100 also comprises time schedule controller 111, and time schedule controller 111 couples gate driver circuit 112 and source electrode drive circuit 113, and it has an internal memory 110.
Fig. 6 has shown the waveform of data line Y1 and sweep trace X1～X12 among Fig. 5.For asking simple clear and definite, below be that example is illustrated with data line Y1 and sweep trace X1～X12.With reference to Fig. 5 and Fig. 6, in the present embodiment, these sweep traces X1～X12 is divided into many group scanning G1～G6 of group simultaneously, and in display panel 115, this is by G1 to G6 in proper order according to a series arrangement for it.Time schedule controller 111 receives a signal of video signal vs, in order to signal of video signal vs is resolved to switching voltage control signal Ts and gray scale voltage data-signal Ds.Wherein gate driver circuit 112 according to switching voltage control signal Ts produce switching voltage VTs, in order to exporting sweep trace X1～Xn to, and each switching voltage VTs has a high level zone.Source electrode drive circuit 113 produces gray scale voltage VDs according to gray scale voltage data-signal Ds, in order to export data line Y1～Ym to.After the time schedule controller 111 decision one scan orders, according to this scanning sequency output switching voltage control signal Ts, and then output and the corresponding gray scale voltage data-signal Ds of switching voltage control signal Ts output order again, wherein these gray scale voltage data-signals are temporary in the internal memory 110.As shown in Figure 6, time schedule controller 111 is exported switching voltage control signal Ts according to second order of G1 → G2 → G4 → G3 → G5 → G6, but not aforementioned order by G1 to G6.
Source electrode drive circuit 113 is coupled to time schedule controller 111 and data line Y1～Ym, and after time schedule controller 111 receives gray scale voltage data-signal Ds, Ds provides gray scale voltage VDs to data line Y1～Ym according to the gray scale voltage data-signal, use the pixel of opening corresponding gray scale voltage VDs is provided, and gray scale voltage VDs alternately is higher than common electric voltage VCOM and is lower than common electric voltage VCOM to these switching voltages VTs.With reference to Fig. 6, common electric voltage VCOM is positioned at a fixing horizontal, and the gray scale voltage VDs of data line Y1 is higher than the regional Ahigh of common electric voltage VCOM, and it is corresponding to the non-conterminous high level zone (G3 and G5) that scans the switching voltage in the group; Perhaps the gray scale voltage VDs of data line Y1 is lower than the regional Alow of common electric voltage VCOM, it is corresponding to the high level zone (G2 and G4) of the switching voltage in the non-conterminous scanning group, makes by this that operated pixel has different polarity respectively in the adjacent scanning group.
For fear of crosstalk effect, when showing a picture, must make that operated pixel has different polarity respectively in the adjacent scanning group.With reference to Fig. 3, data line Y1 and sweep trace X1～X2 (the scanning G1 of group), sweep trace X5～X6 (the scanning G3 of group), the operated pixel of sweep trace X9～X10 (the scanning G5 of group) are anodal; Data line Y1 and sweep trace X3～X4 (the scanning G2 of group), sweep trace X7～X8 (the scanning G4 of group), the operated pixel of sweep trace X11～X12 (the scanning G6 of group) are negative pole.With reference to Fig. 6, in the present embodiment, because gate driver circuit 112 offers the scanning G4 of group earlier with switching voltage VTs, then offer the scanning G3 of group again, the regional Alow of gray scale voltage VDs of data line Y1 or regional Ahigh can be extended to simultaneously corresponding to non-conterminous and have the G2 of scanning group and a G4 of identical polar, or the degree of the high level zone of the switching voltage VTs among scanning G3 of group and the G5, and then the frequency switched of the polarity that reduces gray scale voltage VDs, and then reach the effect of power saving.
It should be noted that though present embodiment is illustrated as example with the scanning sequency that displacement scans G3 of group and G4, the present invention is not limited to this.Fig. 7 shows the data line of another embodiment of the present invention and the waveform of multi-strip scanning line.As shown in Figure 7, in the present embodiment, the regional Alow of the gray scale voltage VDs of data line Y1 or regional Ahigh can be extended to simultaneously corresponding to non-conterminous and have the many groups of scanning G6 of group, the G2 and the G4 of identical polar or a degree of the high level zone of the switching voltage among the scanning G3 of group, G5 and the G1.Only to 2 groups of scanning groups should be arranged, the regional Alow of the embodiment of Fig. 7 or regional Ahigh be respectively to there being 3 groups of scanning groups compared to the embodiment of Fig. 6, therefore can further reduce the frequency that the polarity of gray scale voltage VDs is switched, and reaches the effect of power saving.According to the embodiment of Fig. 7, gate driver circuit 112 can provide switching voltage VTs to sweep trace X1～X12 according to the order of G6 → G2 → G4 → G3 → G5 → G1.More specifically, the embodiment of Fig. 6 can reach about 1/2 power saving effect compared to conventional art, and the embodiment of Fig. 7 can reach about 2/3 power saving effect compared to conventional art system.
Fig. 8 has shown method for driving liquid crystal display of the present invention, it is suitable for driving a display panels, this display panels comprises a plurality of pixels, multi-strip scanning line and a data line, and described sweep trace is divided into many groups and scans group, and described scanning group by one first series arrangement is in display panel.This display drive method comprises following steps.
Step S02: export a common electric voltage.
Step S04: provide a switching voltage according to one second order to each described sweep trace, wherein, described second order is different from described first order.
Step S06: provide a gray scale voltage to described data line, wherein, this gray scale voltage alternately is higher than this common electric voltage and is lower than this common electric voltage, uses to make that operated pixel has different polarity respectively in the adjacent scanning group.
It should be noted, in the foregoing description, though with direct current common electric voltage type of drive, utilizing common electric voltage VCOM to be positioned at a fixing horizontal is illustrated as example, but the present invention also can be applied to common electric voltage wobble drive mode, and promptly common electric voltage VCOM alternately switches between high-level voltage and a low-level voltage.Shown in Fig. 9 A and 9B, common electric voltage VCOM alternately is positioned at a high-level voltage and a low-level voltage, with corresponding gray scale voltage VDs, wherein, the frequency of common electric voltage VCOM polarity transformation is identical with the frequency of the polarity transformation of gray scale voltage VDs, and the polarity of common electric voltage VCOM is opposite with the polarity of gray scale voltage VDs.With one embodiment of the invention, when being applied to use the display of common electric voltage wobble drive mode,, more can reach the effect of power saving owing to can reduce the frequency of the polarity transformation of common electric voltage VCOM and gray scale voltage VDs simultaneously.
In sum, the present invention is compared to prior art, owing to be not located at putting in order of display floater and provide a switching voltage to each scan line according to scanning group, by suitable design, so that operated pixel has respectively different polarity in the adjacent scanning group, while can also make the gray scale voltage of data wire be higher than common electric voltage or be lower than the zone of common electric voltage, corresponding to non-conterminous and have high level zone of many groups of the identical polar switching voltages in the scanning groups, and then reach the frequency of the polarity transformation that reduces gray scale voltage, have the effect of power saving.
Claims (16)
1. liquid crystal display drive circuit, be applicable to a display panels, this display panels comprises a plurality of pixels, multi-strip scanning line and at least one data line, wherein, described sweep trace is divided into many groups and scans group, in this display panels, this liquid crystal display drive circuit comprises according to one first series arrangement:
One public electrode is in order to export a common electric voltage;
One gate driver circuit is coupled to described sweep trace, provides a switching voltage according to one second order to each described sweep trace, and wherein said second order is different from described first order; And
The one source pole driving circuit is coupled to this data line, and in order to provide a gray scale voltage to this data line, wherein, this gray scale voltage alternately switches being higher than this common electric voltage and being lower than between this common electric voltage,
Wherein, this gray scale voltage is higher than this common electric voltage or is lower than the zone of this common electric voltage, corresponding to the high level zone of the switching voltage in the non-conterminous described scanning of the many groups group, operated described pixel has different polarity respectively in the adjacent described scanning group.
2. liquid crystal display drive circuit as claimed in claim 1, further comprise time schedule controller, in order to receive a signal of video signal, and will be stored in a internal memory in this time schedule controller to a gray scale voltage data-signal that should signal of video signal, use for this source electrode drive circuit and produce this gray scale voltage.
3. liquid crystal display drive circuit as claimed in claim 1, wherein this common electric voltage is positioned at a fixing horizontal voltage.
4. liquid crystal display drive circuit as claimed in claim 3, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is this first scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the 6th scanning group in regular turn,
Non-conterminous this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group and the 5th scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
5. the liquid crystal display drive circuit of recording and narrating as claim 3, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is the 6th scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the first scanning group in regular turn,
Non-conterminous the 6th scanning group, this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group, the 5th scanning group and this first scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
6. liquid crystal display drive circuit as claimed in claim 1, wherein this common electric voltage alternately is positioned at high-level voltage and a low-level voltage, wherein, the frequency of the polarity transformation of this common electric voltage is identical with the frequency of the polarity transformation of this gray scale voltage, and the polarity of this common electric voltage is opposite with the polarity of this gray scale voltage.
7. liquid crystal display drive circuit as claimed in claim 6, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is this first scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the 6th scanning group in regular turn,
Non-conterminous this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group and the 5th scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
8. liquid crystal display drive circuit as claimed in claim 6, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is the 6th scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the first scanning group in regular turn,
Non-conterminous the 6th scanning group, this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group, the 5th scanning group and this first scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
9. driving method, be suitable for driving a display panels, this display panels comprises a plurality of pixels, multi-strip scanning line and at least one data line, wherein, described sweep trace is divided into many groups and scans group, described scanning group by one first series arrangement is in this display panels, and this driving method comprises the following step:
Export a common electric voltage;
Provide a switching voltage according to one second order to described sweep trace, wherein, this second order is different from this first order; And
Provide a gray scale voltage to this data line, this gray scale voltage alternately switches being higher than this common electric voltage and being lower than between this common electric voltage, wherein, be higher than this common electric voltage in this gray scale voltage or be lower than the zone of this common electric voltage, corresponding to the high level zone of the switching voltage in the non-conterminous described scanning of the many groups group, make that operated described pixel has different polarity respectively in the adjacent scanning group.
10. driving method as claimed in claim 9 further comprises and receives a signal of video signal, and will be stored in an internal memory to a gray scale voltage data-signal that should signal of video signal, produces this gray scale voltage for the one source pole driving circuit.
11. driving method as claimed in claim 9, wherein this common electric voltage is positioned at a fixing horizontal voltage.
12. driving method as claimed in claim 11, wherein,
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is this first scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the 6th scanning group in regular turn,
Non-conterminous this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group and the 5th scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
13. driving method as claimed in claim 11, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is the 6th scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the first scanning group in regular turn,
Non-conterminous the 6th scanning group, this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group, the 5th scanning group and this first scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
14. driving method as claimed in claim 9, wherein this common electric voltage alternately is positioned at high-level voltage and a low-level voltage, wherein, the frequency of the polarity transformation of this common electric voltage is identical with the frequency of the polarity transformation of this gray scale voltage, and the polarity of this common electric voltage is opposite with the polarity of this gray scale voltage.
15. driving method as claimed in claim 14, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is this first scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the 6th scanning group in regular turn,
Non-conterminous this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group and the 5th scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
16. driving method as claimed in claim 14, wherein
Described scanning group comprises one first scanning group, one second scanning group, one the 3rd scanning group, one the 4th scanning group, one the 5th scanning group and one the 6th scanning group,
This first order is this first scanning group, this second scanning group, the 3rd scanning group, the 4th scanning group, the 5th scanning group and the 6th scanning group in regular turn,
This second order is the 6th scanning group, this second scanning group, the 4th scanning group, the 3rd scanning group, the 5th scanning group and the first scanning group in regular turn,
Non-conterminous the 6th scanning group, this second scanning group and the 4th scanning group, the described gray scale voltage that all is in this data line is lower than the zone of this common electric voltage, and
Non-conterminous the 3rd scanning group, the 5th scanning group and this first scanning group, the described gray scale voltage that all is in this data line is higher than the zone of this common electric voltage.
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| CN102402084A (en) * | 2011-09-09 | 2012-04-04 | 友达光电股份有限公司 | Display panel and alignment method thereof |
| US8723896B2 (en) | 2010-06-14 | 2014-05-13 | Novatek Microelectronics Corp. | Driver IC, panel driving system, and panel driving method |
| CN104867458A (en) * | 2014-02-20 | 2015-08-26 | 龙亭新技股份有限公司 | Electrophoretic display device and method of driving the same |
| WO2016101299A1 (en) * | 2014-12-25 | 2016-06-30 | 深圳市华星光电技术有限公司 | Source driver circuit of liquid crystal display panel and liquid crystal display |
| CN106297682A (en) * | 2015-05-11 | 2017-01-04 | 联咏科技股份有限公司 | Display device and its grid drive method |
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2009
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| CN102298912B (en) * | 2010-06-24 | 2014-10-08 | 联咏科技股份有限公司 | Driving chip, panel driving system and panel driving method |
| CN102402084A (en) * | 2011-09-09 | 2012-04-04 | 友达光电股份有限公司 | Display panel and alignment method thereof |
| TWI465821B (en) * | 2011-09-09 | 2014-12-21 | Au Optronics Corp | Display panel and alignment method thereof |
| CN104867458A (en) * | 2014-02-20 | 2015-08-26 | 龙亭新技股份有限公司 | Electrophoretic display device and method of driving the same |
| CN104867458B (en) * | 2014-02-20 | 2017-08-04 | 龙亭新技股份有限公司 | Electrophoretic display device and method of driving the same |
| WO2016101299A1 (en) * | 2014-12-25 | 2016-06-30 | 深圳市华星光电技术有限公司 | Source driver circuit of liquid crystal display panel and liquid crystal display |
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| CN113284427A (en) * | 2021-05-28 | 2021-08-20 | 惠科股份有限公司 | Display panel and spliced display screen |
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Application publication date: 20100428 |