CN101308304A - Display device and its pixel structure and drive method - Google Patents
Display device and its pixel structure and drive method Download PDFInfo
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- CN101308304A CN101308304A CNA2008101249783A CN200810124978A CN101308304A CN 101308304 A CN101308304 A CN 101308304A CN A2008101249783 A CNA2008101249783 A CN A2008101249783A CN 200810124978 A CN200810124978 A CN 200810124978A CN 101308304 A CN101308304 A CN 101308304A
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Abstract
The invention provides a display device, a pixel structure and a drive method. The display device comprises a grid drive chip, a first grid line, a second grid line, a first pixel unit and a second pixel unit. The grid drive chip generates a first grid drive signal to be outputted to the first grid line, and generates a second grid drive signal to be outputted to the second grid line. The first grid drive signal and the second grid drive signal are used to adjust a first feed-through voltage generated by a first pixel region of the first pixel unit, a second feed-through voltage generated by a second pixel region of the first pixel unit, a third feed-through voltage generated by a first pixel region of the second pixel unit, and a fourth feed-through voltage generated by a second pixel region of the second pixel unit. As the grid lines and data lines of the original number in the display device are used, the purpose of providing two different-sized feed-through voltages in a signal pixel can be achieved, and the problem of large viewing-angle color errors can be solved; besides, the aperture ratio of the display device can be maintained without reduction.
Description
Technical field
The invention relates to a kind of display device and dot structure thereof and driving method; More definite, the invention relates to a kind of display device and dot structure and driving method with low colour cast (color washout).
Background technology
Along with scientific-technical progress, various electronic products have become people's indispensable part of living, and wherein display is the critical elements of electronic multimedia product.Because LCD (liquid crystal display; LCD) have that power saving, the no width of cloth are penetrated, volume is little, low power consumption, do not take up space, advantage such as flat square, high-res and image quality are stable, it replaces traditional cathode-ray tube display (cathoderay tube display gradually; And be widely used on the electronic products such as mobile phone, screen, Digital Television, mobile computer, CRT display), as the usefulness of demonstration.
When the user when conventional liquid crystal is watched at different visual angles because the phase difference value of different visual angles is different, so naked eyes will obviously be experienced different brightness.What is more, the user can find the phenomenon of gray-scale inversion (gray scale inversion).
For addressing the above problem, industry has developed and the technology that multiple increase can be watched the visual angle, produces the phenomenon of gray-scale inversion to avoid conventional liquid crystal, and one of them is multiregional vertical align (multidomain vertical alignment; MVA) technology.The multiregional vertical align technology mainly is that the liquid crystal material in the LCD is separated out a plurality of orientations zone, make the arrangement mode that presents a kind of mutual compensation in the different alignment zone between the liquid crystal material by this, make the user under different visual angles, can watch identical phase difference value, thereby enlarge angular field of view to avoid finding the gray-scale inversion phenomenon.
Yet, though the multiregional vertical align technology has the advantage of high contrast and wide viewing angle, this kind technology also is accompanied by some shortcomings, and one of them is the user when watching the LCD of using the multiregional vertical align technology with great visual angle, can experience the defective of colour cast.The generation of colour cast is when changing along with user's visual angle, and its penetrance of the liquid crystal molecule of display institute that makes a difference because of its forward voltage is different causes.The particular color seen originally of user's naked eyes produces the situation of whiting when therefore, will increase at the visual angle.
In sum, though use the multiregional vertical align technology can obtain to have the LCD of high contrast and wide viewing angle, thereby significantly improve user's use experience, its with great visual angle color offset phenomenon be the important topic of needing improvement badly always.Necessary conditions when low colour cast technology will be following LCD attack large size panel market.In view of this, how to improve the problem of colour cast with great visual angle, become one of problem demanding prompt solution.
Summary of the invention
A purpose of the present invention is to provide a kind of dot structure that is used for a display device, and this display device has a grid drive chip.This dot structure of this kind comprises first grid polar curve, second grid line and pixel cell.First grid polar curve can receive the first grid drive signal that this grid drive chip produces.The second grid line can receive the second grid drive signal that grid drive chip produces.Aforementioned pixel cell has one first pixel region and one second pixel region, and wherein first pixel region of pixel cell couples with first electric capacity and this first grid polar curve of a first film transistor AND gate, and produces the first feedthrough (feedthrough; FT) voltage, second pixel region of pixel cell then couples with second electric capacity and second grid line, couples with one second thin film transistor (TFT) and this first grid polar curve simultaneously, and produces second feed-trough voltage.First feed-trough voltage and this second feed-trough voltage are adjusted according to first grid drive signal and second grid drive signal.
Another object of the present invention is to provide a kind of driving method, this kind driving method is used in the described dot structure of leading portion.Driving method of the present invention comprises the following step: when this display device shows first picture of an image, according to this this first grid polar curve of first grid drive signal conducting, in order to do making this first feed-trough voltage greater than this second feed-trough voltage; And when this display device shows second picture of this image, according to this first grid drive signal and this second grid drive signal while this first grid polar curve of conducting and this second grid line, in order to do making this second feed-trough voltage greater than this first feed-trough voltage.
Another object of the present invention is to provide a kind of display device, it comprises grid drive chip, first grid polar curve, second grid line, first pixel cell and second pixel cell.First pixel cell and second pixel cell have first pixel region and second pixel region all respectively.First pixel region of first pixel cell couples with first electric capacity and this first grid polar curve of a first film transistor AND gate, and produces first feed-trough voltage; Second pixel region of first pixel cell couples with second electric capacity and second grid line, couples with one second thin film transistor (TFT) and this first grid polar curve simultaneously, and produces second feed-trough voltage; First pixel region of second pixel cell couples with the 3rd electric capacity and second grid line, couples with one the 3rd thin film transistor (TFT) and this first grid polar curve simultaneously, and produces the 3rd feed-trough voltage; Second pixel region of second pixel cell couples with the 4th electric capacity and one the 4th thin film transistor (TFT) and this first grid polar curve, and produces the 4th feed-trough voltage.First feed-trough voltage, second feed-trough voltage, the 3rd feed-trough voltage and the 4th feed-trough voltage are adjusted according to first grid drive signal and second grid drive signal respectively.
Another object of the present invention is to provide a kind of driving method, this kind driving method is to use in the described display device of leading portion.Driving method of the present invention comprises the following step: when this display device shows first picture of an image, according to this this first grid polar curve of first grid drive signal conducting, in order to do making this first feed-trough voltage greater than this second feed-trough voltage, and the 4th feed-trough voltage is greater than the 3rd feed-trough voltage; And when this display device shows second picture of this image, according to this first grid drive signal and this second grid drive signal while this first grid polar curve of conducting and this second grid line, in order to do making this second feed-trough voltage greater than this first feed-trough voltage, and the 3rd feed-trough voltage is greater than the 4th feed-trough voltage.
The present invention do not need to increase gate line in the display device and feed-trough voltage.In other words, the present invention can only use display device Central Plains given figure purpose gate line and data line, promptly reaches the purpose of the feed-trough voltage that two kinds of different sizes are provided respectively in single pixel.Therefore, color offset phenomenon can solve smoothly with great visual angle, and because of the number of gate line and data line does not increase, the aperture opening ratio of display device is also kept and do not reduce.
Description of drawings
Fig. 1 is the synoptic diagram for display device of the present invention;
Fig. 2 is the synoptic diagram for two pixel cells in the display device of the present invention;
Fig. 3 A is for showing the gate drive signal oscillogram of first picture;
Fig. 3 B is for showing the gate drive signal oscillogram of second picture;
Fig. 4 A is the voltage waveform view for first pixel cell;
Fig. 4 B is the voltage waveform view for second pixel cell; And
Fig. 5 is the process flow diagram for the driving method of display device of the present invention.
Drawing reference numeral:
1: display device 10: display panel
11: grid drive chip 13: source driving chip
111,112 ..., 11m: gate line
121,122 ..., 12m: gate drive signal
131,132 ..., 13n: data line
141,142: the first polarity data signal/second polarity data signals
153: the second pixel cells of 151: the first pixel cells
1300: positive polarity the one gamma value 1301:gamma value storage element
1302: 1303: the first switch units of negative polarity the one gamma value
1304: 1305: the second switch units of positive polarity the 2nd gamma value
1306: negative polarity the 2nd gamma value
151a: first pixel region of first pixel cell
151b: second pixel region of first pixel cell
153a: first pixel region of second pixel cell
153b: second pixel region of second pixel cell
1513: the second electric capacity of 1511: the first electric capacity
1515: 1517: the second thin film transistor (TFT)s of the first film transistor
1533: the four electric capacity of 1531: the three electric capacity
1537: the four thin film transistor (TFT)s of 1535: the three thin film transistor (TFT)s
30,32: time cycle 411,413: the first feed-trough voltage
412,414: the second feed-trough voltages 421,423: the three feed-trough voltages
422,424: the four feed-trough voltages
Embodiment
After consulting embodiment graphic and that describe subsequently, those skilled in the art can understand other purpose of the present invention, advantage and technological means of the present invention and implement aspect.
Below will explain content of the present invention by embodiment; Yet embodiments of the invention are not to need can implement as the described any environment of embodiment, application or particular form in order to restriction the present invention.Therefore, only be explaination purpose of the present invention about the explanation of embodiment, but not in order to restriction the present invention.Following examples and graphic in, omit all and do not illustrate with the non-directly related element of the present invention.
Fig. 1 is the synoptic diagram of the preferred embodiment of display device of the present invention.Display device 1 can be following several flat-panel screens: organic light emitting diode display (Organic Light-Emitting DiodesDisplay; OLED), plasma scope (Plasma Display Panel; PDP), LCD (Liquid Crystal Display; LCD) and Field Emission Display (Field Emission Display; FED) etc.In the present embodiment, display device 1 is for using the LCD of some counter-rotating (dot inversion) driving method.Display device 1 comprise display panel 10, grid drive chip 11, source driving chip 13, m bar gate line parallel to each other (111,112 ..., 11m), and n bar data line parallel to each other (131,132 ..., 13n), wherein m and n are positive integer.Display panel 10 comprises a plurality of pixel cells; For simplicity's sake, present embodiment only indicates first pixel cell 151 and second pixel cell 153.Source driving chip 11 be electrically connected to gate line 111,112 ..., 11m, its provide a plurality of gate drive signals 121,122 ..., 12m, with enable respectively (enable) gate line 111,112 ..., 11m.Source driving chip 13 electric connection data lines 131,132 ..., 13n, its provide respectively a plurality of data-signals (figure do not illustrate) to data line 131,132 ..., 13n.
Fig. 2 is the synoptic diagram that illustrates the annexation of first pixel cell of display device and second pixel cell and grid drive chip and source driving chip according to embodiments of the invention.Below will cooperate Fig. 2 to describe the operation and the function of first pixel cell and second pixel cell of display device of the present invention in detail.Simultaneously, for simplicity's sake, in Fig. 2, only represent the m bar gate line and the n bar data line of display device 1 with first grid polar curve 111, second grid line 112, first data line 131 and second data line 132.Similarly, in Fig. 2, also only represent a plurality of gate drive signals and the polarity data signal of display device 1 with first grid drive signal 121, second grid drive signal 122, the first polarity data signal 141 and the second polarity data signal 142.
First electric capacity 1511, second electric capacity 1513, the 3rd electric capacity 1531 and the 4th electric capacity 1533 all have a capacitance, and wherein the capacitance of first electric capacity 1511 is less than the capacitance of second electric capacity 1513; The capacitance of the 4th electric capacity 1533 is less than the capacitance of the 3rd electric capacity 1531.
When first picture of display device 1 show image, first data line 131 will receive the first polarity data signal 141 with positive polarity the one gamma value 1300 by first switch unit 1303; Simultaneously, second data line 132 will receive the second polarity data signal 142 with negative polarity the 2nd gamma value 1306 by second switch unit 1305.And when second picture of display device 1 show image, first data line 131 will receive the second polarity data signal 142 with negative polarity the one gamma value 1302 by first switch unit 1303; Simultaneously, second data line 132 will receive the first polarity data signal 141 with positive polarity the 2nd gamma value 1304 by second switch unit 1305.
In preferred embodiment, the first polarity data signal 141 and the anti-phase each other signal of the second polarity data signal 142, promptly when the first polarity data signal 141 was the positive polarity data-signal, the second polarity data signal 142 was the negative polarity data-signal; Or when the first polarity data signal 141 was the negative polarity data-signal, then the second polarity data signal 142 was the positive polarity data-signal.By the leading portion narration, those skilled in the art should understand the switching mode about positive polarity the one gamma value 1300, negative polarity the one gamma value 1302, positive polarity the 2nd gamma value 1304 and negative polarity the 2nd gamma value 1306, so do not repeat them here.
From the above, when first picture of display device 1 show image, grid drive chip 11 will be exported first grid drive signal 121 and the second grid drive signal 122 that is illustrated as Fig. 3 A.At this moment, first pixel cell 151 will receive the first polarity data signal 141 with positive polarity the one gamma value 1300 by first data line 131; Simultaneously, second pixel cell 153 will receive the second polarity data signal 142 with negative polarity the 2nd gamma value 1306 by second data line 132.
Please in the lump with reference to figure 4A and Fig. 4 B, when Fig. 4 A illustrates first picture of display device 1 show image and second picture, the voltage waveform view of first pixel cell 151; When Fig. 4 B then illustrates first picture of display device 1 show image and second picture, the voltage waveform view of second pixel cell 153.And 30 o'clock time cycles, first grid drive signal 121 conducting simultaneously the first film transistor 1515, second thin film transistor (TFT) 1517, the 3rd thin film transistor (TFT) 1535 and the 4th thin film transistor (TFT) 1537.At this moment, the first pixel region 151a of first pixel cell 151 will be by the first film transistor 1515 by 131 chargings of first data line, simultaneously, because of the change of first grid drive signal 121, first electric capacity 1511 that couples with the first pixel region 151a and the first grid polar curve 111 of first pixel cell 151 will cause the builtin voltage of the first pixel region 151a to change.
In view of the above, the first pixel region 151a of first pixel cell 151 will produce first feed-trough voltage 411; And the second pixel region 151b of first pixel cell 151 will charge by first data line 131 by second thin film transistor (TFT) 1517, and then makes the second pixel region 151b of the pixel cell 151 of winning produce second feed-trough voltage 412.
Similarly, first picture when display device 1 show image, the first pixel region 153a of second pixel cell 153 will charge by second data line 132 by the 3rd thin film transistor (TFT) 1535, and then make the first pixel region 153a of second pixel cell 153 produce one the 3rd feed-trough voltage 421; And its second pixel region 153b will be by the 4th thin film transistor (TFT) 1537 by 132 chargings of second data line, simultaneously, change because of first grid drive signal 121, the 4th electric capacity 1533 that couples with the second pixel region 153b and the first grid polar curve 111 of second pixel cell 153 will cause the builtin voltage of the second pixel region 153b to change, in view of the above, the second pixel region 153b of second pixel cell 153 will produce one the 4th feed-trough voltage 422.
When first picture of display device 1 show image, because the first pixel region 151a of first pixel cell 151 is by the charging of the first film transistor 1515, simultaneously, change because of first grid drive signal 121, first electric capacity 1511 that couples with the first pixel region 151a and the first grid polar curve 111 of first pixel cell 151 will cause the builtin voltage of the first pixel region 151a to change, and its second pixel region 151b is only by 1517 chargings of second thin film transistor (TFT).Therefore, first feed-trough voltage 411 of first pixel cell 151 will be greater than second feed-trough voltage 412.And because the second pixel region 153b of second pixel cell 153 passes through the charging of the 4th thin film transistor (TFT) 1537 simultaneously, simultaneously, change because of first grid drive signal 121, the 4th electric capacity 1533 that couples with the second pixel region 153b and the first grid polar curve 111 of second pixel cell 153 will cause the builtin voltage of the second pixel region 153b to change, and its first pixel region 153a is only by 1535 chargings of the 3rd thin film transistor (TFT).Therefore, the 4th feed-trough voltage 422 of second pixel cell 153 will be greater than the 3rd feed-trough voltage 421.
When second picture of display device 1 show image, grid drive chip 11 will be exported first grid drive signal 121 and the second grid drive signal 122 that is illustrated as Fig. 3 B.At this moment, first pixel cell 151 will receive the second polarity data signal 142 with negative polarity the one gamma value 1302 by first data line 131; Simultaneously, second pixel cell 153 will receive the first polarity data signal 141 with positive polarity the 2nd gamma value 1304 by second data line 132.32 o'clock time cycles, first grid drive signal 121 conducting simultaneously the first film transistor 1515, second thin film transistor (TFT) 1517, the 3rd thin film transistor (TFT) 1535 and the 4th thin film transistor (TFT) 1537.At this moment, the first pixel region 151a of first pixel cell 151 will be by the first film transistor 1515 by 131 chargings of first data line, simultaneously, because of the change of first grid drive signal 121, first electric capacity 1511 that couples with the first pixel region 151a and the first grid polar curve 111 of first pixel cell 151 will cause the builtin voltage of the first pixel region 151a to change.
In view of the above, the first pixel region 151a of first pixel cell 151 will produce another first feed-trough voltage 413; And the second pixel region 151b of first pixel cell 151 will be by second thin film transistor (TFT) 1517 by 131 chargings of first data line, simultaneously, change because of second grid drive signal 122, second electric capacity 1513 that couples with the second pixel region 151b and the second grid line 112 of first pixel cell 151 will cause the builtin voltage of the second pixel region 151b to change, in view of the above, the second pixel region 151b of first pixel cell 151 will produce another second feed-trough voltage 414.
Second picture when display device 1 show image, the first pixel region 153a of second pixel cell 153 will be by the 3rd thin film transistor (TFT) 1535 by 132 chargings of second data line, simultaneously, change because of second grid drive signal 122, the 3rd electric capacity 1531 that couples with the first pixel region 153a and the second grid line 112 of second pixel cell 153 will cause the builtin voltage of the first pixel region 153a to change, in view of the above, will make the first pixel region 153a of second pixel cell 153 produce another the 3rd feed-trough voltage 423; And its second pixel region 153b will be by the 4th thin film transistor (TFT) 1537 by 132 chargings of second data line, simultaneously, change because of first grid drive signal 121, the 4th electric capacity 1533 that couples with the second pixel region 153b and the first grid polar curve 111 of second pixel cell 153 will cause the builtin voltage of the second pixel region 153b to change, in view of the above, the second pixel region 153b of second pixel cell 153 will produce another the 4th feed-trough voltage 424.
When second picture of display device 1 show image, the first pixel region 151a of first pixel cell 151 passes through the charging of the first film transistor 1515 simultaneously, simultaneously, change because of first grid drive signal 121, first electric capacity 1511 that couples with the first pixel region 151a and the first grid polar curve 111 of first pixel cell 151 will cause the builtin voltage of the first pixel region 151a to change, and its second pixel region 151b also passes through the charging of second thin film transistor (TFT) 1517 simultaneously, simultaneously, because of the change of second grid drive signal 122, second electric capacity 1513 that couples with the second pixel region 151b and the second grid line 112 of first pixel cell 151 will cause the builtin voltage of the second pixel region 151b to change.The capacitance of cause first electric capacity 1511 is less than the capacitance of second electric capacity 1513, and in view of the above, second feed-trough voltage 422 of first pixel cell 151 will be greater than first feed-trough voltage 421.
In addition, because the second pixel region 153b of second pixel cell 153 passes through the charging of the 4th thin film transistor (TFT) 1537 simultaneously, simultaneously, change because of first grid drive signal 121, the 4th electric capacity 1533 that couples with the second pixel region 153b and the first grid polar curve 111 of second pixel cell 153 will cause the builtin voltage of the second pixel region 153b to change, and its first pixel region 153a also passes through the charging of the 3rd thin film transistor (TFT) 1535 simultaneously, simultaneously, because of the change of second grid drive signal 122, the 3rd electric capacity 1531 that couples with the first pixel region 153a and the second grid line 112 of second pixel cell 153 will cause the builtin voltage of the first pixel region 153a to change.The capacitance of cause the 4th electric capacity 1533 is less than the capacitance of the 3rd electric capacity 1531, and in view of the above, the 3rd feed-trough voltage 423 of second pixel cell 153 will be greater than the 4th feed-trough voltage 424.
The present invention does not limit the LCD that is used to use an inversion driving method, though present embodiment only illustrates first pixel cell 151 and operation and the function of second pixel cell 153 under an inversion driving method.Yet, those skilled in the art can learn first pixel cell 151 and operation and the function of second pixel cell 153 under row counter-rotating (column inversion) driving method or the driving method of other type by the described explanation of leading portion, so do not repeat them here.
The driving flow process that is used in the described display device 1 of leading portion then as shown in Figure 5.At first, provide the first polarity data signal and the second polarity data signal in execution in step 501.Execution in step 503 again, and when first picture of display device show image, according to first grid drive signal conducting first grid polar curve, in order to do making first feed-trough voltage greater than second feed-trough voltage, and the 4th feed-trough voltage is greater than the 3rd feed-trough voltage.At last, execution in step 505, when second picture of display device show image, according to first grid drive signal and second grid drive signal while conducting first grid polar curve and second grid line, so that second feed-trough voltage is greater than first feed-trough voltage, and the 3rd feed-trough voltage is greater than the 4th feed-trough voltage.
Because display device 1 is for using the LCD of some inversion driving method, therefore, the first polarity data signal and the second polarity data signal that step 501 provides will alternately be exported, and first picture of image and second picture are promptly shown by the first polarity data signal and the second polarity data signal of alternately output respectively.
Except above-mentioned steps, the driving flow process of display device show image also can be carried out described display device 1 described all operations and the function of the present invention of leading portion, those skilled in the art can understand flow process that Fig. 5 illustrates how based on the display device 1 of the invention described above to carry out these operations and function, so do not repeat them here.
In sum, the disclosed display device of the present invention number that do not need to increase gate line and data line can provide the feed-trough voltages of two different sizes respectively in single pixel cell.In other words, the disclosed display device of the present invention is only used the gate line and the data line of number originally, and the feed-trough voltage that two different sizes can be provided is to single pixel.Therefore, the color offset phenomenon with great visual angle of known LCD can solve smoothly.Because the number of gate line and data line does not increase, so the aperture opening ratio of display device of the present invention is also kept and is not reduced.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting protection category of the present invention.Any those skilled in the art can unlabored change or the isotropism arrangement scope that all belongs to the present invention and advocated, interest field of the present invention should be as the criterion with claim.
Claims (21)
1. a dot structure that is used for display device is characterized in that, described display device has a grid drive chip, and described dot structure comprises:
One first grid polar curve receives the first grid drive signal that described grid drive chip produces;
One second grid line receives the second grid drive signal that described grid drive chip produces; And
One pixel cell has:
One first pixel region couples with one first electric capacity and the described first grid polar curve of a first film transistor AND gate, and produces one first feed-trough voltage; And
One second pixel region couples with one second electric capacity and described second grid line, couples with one second thin film transistor (TFT) and described first grid polar curve simultaneously, and produces one second feed-trough voltage;
Wherein, described first feed-trough voltage and described second feed-trough voltage are adjusted according to described first grid drive signal and described second grid drive signal.
2. dot structure as claimed in claim 1, it is characterized in that, described display device has a source driving chip that couples with described dot structure, wherein when described source driving chip is exported one first polarity data signal to described dot structure, described first grid drive signal is adjusted described first feed-trough voltage by described the first film transistor and described first electric capacity, described first grid drive signal is adjusted described second feed-trough voltage by described second thin film transistor (TFT), in order to do making described first feed-trough voltage greater than described second feed-trough voltage.
3. dot structure as claimed in claim 2, it is characterized in that, when described source driving chip is exported one second polarity data signal to described dot structure, described first grid drive signal is to adjust described first feed-trough voltage by described the first film transistor and described first electric capacity, described first grid drive signal is to adjust described second feed-trough voltage by described second thin film transistor (TFT), described second grid drive signal is to adjust described second feed-trough voltage by described second electric capacity simultaneously, in order to do making described second feed-trough voltage greater than described first feed-trough voltage.
4. dot structure as claimed in claim 3 is characterized in that, described first polarity data signal and the described second polarity data signal are anti-phase each other.
5. dot structure as claimed in claim 1 is characterized in that the capacitance of described first electric capacity is less than the capacitance of described second electric capacity.
6. a driving method is suitable for driving dot structure as claimed in claim 1, it is characterized in that, described driving method comprises the following step:
When described display device shows first picture of an image, according to the described first grid polar curve of described first grid drive signal conducting, in order to do making described first feed-trough voltage greater than described second feed-trough voltage; And
When described display device shows second picture of described image, according to described first grid drive signal and described second grid drive signal while described first grid polar curve of conducting and described second grid line, in order to do making described second feed-trough voltage greater than described first feed-trough voltage.
7. driving method as claimed in claim 6 is characterized in that, described driving method comprises the following step in addition:
Export one first polarity data signal; And
First picture that shows described image by the described first polarity data signal.
8. driving method as claimed in claim 7 is characterized in that, described driving method comprises the following step in addition:
Export one second polarity data signal; And
Second picture that shows described image by the described second polarity data signal.
9. driving method as claimed in claim 8 is characterized in that, described first polarity data signal and the described second polarity data signal are anti-phase each other.
10. a display device is characterized in that, described display device comprises:
One grid drive chip is in order to produce a first grid drive signal and a second grid drive signal;
One first grid polar curve receives described first grid drive signal;
One second grid line receives described second grid drive signal;
One first pixel cell has:
One first pixel region couples with one first electric capacity and the described first grid polar curve of a first film transistor AND gate, and produces one first feed-trough voltage; And
One second pixel region couples with one second electric capacity and described second grid line, couples with one second thin film transistor (TFT) and described first grid polar curve simultaneously, and produces one second feed-trough voltage; And
One second pixel cell has:
One first pixel region couples with one the 3rd electric capacity and described second grid line, couples with one the 3rd thin film transistor (TFT) and described first grid polar curve simultaneously, and produces one the 3rd feed-trough voltage; And
One second pixel region couples with one the 4th electric capacity and one the 4th thin film transistor (TFT) and described first grid polar curve, and produces one the 4th feed-trough voltage;
Wherein, described first feed-trough voltage, described second feed-trough voltage, described the 3rd feed-trough voltage and described the 4th feed-trough voltage are adjusted according to described first grid drive signal and described second grid drive signal respectively.
11. display device as claimed in claim 10, it is characterized in that, described display device comprises a source driving chip that couples with described first pixel cell and described second pixel cell in addition, wherein export one first polarity data signal to described first pixel cell and when exporting one second polarity data signal when described source driving chip to described second pixel cell, described first grid drive signal is to adjust described first feed-trough voltage by described the first film transistor and described first electric capacity, described first grid drive signal is adjusted described second feed-trough voltage by described second thin film transistor (TFT), in order to do making described first feed-trough voltage greater than described second feed-trough voltage, described first grid drive signal is to adjust described the 3rd feed-trough voltage by described the 3rd thin film transistor (TFT), described first grid drive signal is to adjust described the 4th feed-trough voltage by described the 4th thin film transistor (TFT) and described the 4th electric capacity, in order to do making described the 4th feed-trough voltage greater than described the 3rd feed-trough voltage.
12. display device as claimed in claim 11, it is characterized in that, when described source driving chip is exported the described first polarity data signal to described second pixel cell and when exporting the described second polarity data signal to described first pixel cell, described first grid drive signal is to adjust described first feed-trough voltage by described the first film transistor and described first electric capacity, described first grid drive signal is to adjust described second feed-trough voltage by described second thin film transistor (TFT), described second grid drive signal is to adjust described second feed-trough voltage by described second electric capacity simultaneously, in order to do making described second feed-trough voltage greater than described first feed-trough voltage, described first grid drive signal is to adjust described the 3rd feed-trough voltage by described the 3rd thin film transistor (TFT), described second grid drive signal is to adjust described the 3rd feed-trough voltage by described the 3rd electric capacity simultaneously, described first grid drive signal is to adjust described the 4th feed-trough voltage by described the 4th thin film transistor (TFT) and described the 4th electric capacity, in order to do making described the 3rd feed-trough voltage greater than described the 4th feed-trough voltage.
13. display device as claimed in claim 12 is characterized in that, described first polarity data signal and the described second polarity data signal are anti-phase each other.
14. display device as claimed in claim 12, it is characterized in that, described source driving chip comprises a gamma value storage element, in order to store one first positive polarity gamma value, one first negative polarity gamma value, one second positive polarity gamma value and one second negative polarity gamma value, wherein export the described first polarity data signal to described first pixel cell and when exporting the described second polarity data signal when described source driving chip to described second pixel cell, the described first polarity data signal is input to described first pixel cell according to the described first positive polarity gamma value, the described second polarity data signal is input to described second pixel cell according to the described second negative polarity gamma value, in order to do making described first feed-trough voltage equal described the 3rd feed-trough voltage, and described second feed-trough voltage equals described the 4th feed-trough voltage.
15. display device as claimed in claim 14, it is characterized in that, when described source driving chip is exported the described first polarity data signal to described second pixel cell and when exporting the described second polarity data signal to described first pixel cell, the described first polarity data signal is input to described second pixel cell according to the described second positive polarity gamma value, the described second polarity data signal is input to described first pixel cell according to the described first negative polarity gamma value, in order to do making described first feed-trough voltage equal described the 3rd feed-trough voltage, and described second feed-trough voltage equals described the 4th feed-trough voltage.
16. display device as claimed in claim 10 is characterized in that, a capacitance of described first electric capacity is less than a capacitance of described second electric capacity, and a capacitance of described the 4th electric capacity is less than a capacitance of described the 3rd electric capacity.
17. a driving method is applicable to drive display device as claimed in claim 10, it is characterized in that described driving method comprises the following step:
When described display device shows one first picture of an image, according to the described first grid polar curve of described first grid drive signal conducting, in order to do making described first feed-trough voltage greater than described second feed-trough voltage, and described the 4th feed-trough voltage is greater than described the 3rd feed-trough voltage; And
When described display device shows one second picture of described image, according to described first grid drive signal and described second grid drive signal while described first grid polar curve of conducting and described second grid line, in order to do making described second feed-trough voltage greater than described first feed-trough voltage, and described the 3rd feed-trough voltage is greater than described the 4th feed-trough voltage.
18. driving method as claimed in claim 17 is characterized in that, described driving method comprises the following step in addition:
Export one first polarity data signal and one second polarity data signal;
Wherein, the described second polarity data signal that received of the described first polarity data signal that received by described first pixel cell of first picture of described image and described second pixel cell is shown.
19. driving method as claimed in claim 18 is characterized in that, described first polarity data signal and the described second polarity data signal are anti-phase each other.
20. driving method as claimed in claim 17 is characterized in that, described driving method comprises the following step in addition:
Export one first polarity data signal and one second polarity data signal;
Wherein, the described first polarity data signal that received of the described second polarity data signal that received by described first pixel cell of second picture of described image and described second pixel cell is shown.
21. driving method as claimed in claim 20 is characterized in that, described first polarity data signal and the described second polarity data signal are anti-phase each other.
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| CN101852955B (en) * | 2009-04-02 | 2011-11-16 | 华映视讯（吴江）有限公司 | Liquid crystal display device capable of eliminating afterimages and method thereof |
| WO2013071580A1 (en) * | 2011-11-16 | 2013-05-23 | 深圳市华星光电技术有限公司 | Liquid crystal panel driving method |
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| CN101852955B (en) * | 2009-04-02 | 2011-11-16 | 华映视讯（吴江）有限公司 | Liquid crystal display device capable of eliminating afterimages and method thereof |
| WO2013071580A1 (en) * | 2011-11-16 | 2013-05-23 | 深圳市华星光电技术有限公司 | Liquid crystal panel driving method |
| CN105988251A (en) * | 2015-03-05 | 2016-10-05 | 群创光电股份有限公司 | Display panel and display device |
| CN106094377A (en) * | 2016-07-25 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of array base palte and display panels |
| CN107492360A (en) * | 2017-09-25 | 2017-12-19 | 惠科股份有限公司 | Driving method and display device |
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| US11527213B2 (en) | 2019-01-30 | 2022-12-13 | HKC Corporation Limited | Driving method of display panel for reducing viewing angle color deviation and display device |
| CN111816138A (en) * | 2020-08-19 | 2020-10-23 | 惠科股份有限公司 | Display device and driving method thereof |
| WO2022036845A1 (en) * | 2020-08-19 | 2022-02-24 | 惠科股份有限公司 | Display device and driving method therefor |
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