CN100507689C - Liquid crystal display and driving method thereof - Google Patents
Liquid crystal display and driving method thereof Download PDFInfo
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- CN100507689C CN100507689C CNB200710086159XA CN200710086159A CN100507689C CN 100507689 C CN100507689 C CN 100507689C CN B200710086159X A CNB200710086159X A CN B200710086159XA CN 200710086159 A CN200710086159 A CN 200710086159A CN 100507689 C CN100507689 C CN 100507689C
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Abstract
The invention provides a LCD and the driving method, where the LCD comprises active component array substrate, alignment substrate and liquid crystal layer arranged between the two substrate; the active component array substrate comprises multiple signal lines, multiple active components connected with corresponding signal lines, multiple pixel electrodes connected with corresponding active components, and an auxiliary electrode, where the auxiliary electrode is arranged between the pixel electrodes. In addition, the alignment has a shared electrode, and the voltage difference between the shared electrode and the pixel electrodes is less than that between the auxiliary electrode and the pixel electrodes. And the invention can increase response rate of the whole LCD by controlling the voltage of the auxiliary electrode, and input an overload drive voltage into the auxiliary electrode to speed up inclining of liquid crystal molecules in the liquid crystal layer to increase the response rate of the LCD and improve displaying quality.
Description
Technical field
The invention relates to a kind of display device, and particularly relevant for a kind of Liquid Crystal Display And Method For Driving (LIQUID CRYSTAL DISPLAY AND DRIVING METHODTHEREOF).
Background technology
(thin film transistor liquid crystaldisplay, performance requirement TFT-LCD) develop towards directions such as height contrast (high contrast ratio), the counter-rotating of no gray scale (no gray scale inversion), colour cast little (little color shift), brightness height (highluminance), high color richness, high color saturation, rapid reaction and wide viewing angles existing market for Thin Film Transistor-LCD.The technology that can reach the wide viewing angle requirement at present has stable twisted nematic liquid crystal (TN) to add view film (wideviewing film), copline suitching type (in-plane switching, IPS) LCD, a limit suitching type (fringe field switching, FFS) LCD and multidomain vertical alignment type (multi-domain vertically alignment, MVA) mode such as Thin Film Transistor-LCD.With the multi-field vertical assigned LCD panel is example, because the orientation protrusion (alignment protrusion) or the slit (slit) that are formed on colored optical filtering substrates or thin film transistor (TFT) array (array) substrate can be so that liquid crystal molecule be multi-direction arrangement, and obtain a plurality of different alignments field (domains), so multi-field vertical assigned LCD panel can be reached the requirement of wide viewing angle.
Fig. 1 represents the diagrammatic cross-section of existing a kind of LCD.Please refer to Fig. 1, LCD 100 comprises that an active assembly array substrate 110, a subtend substrate 120 and are disposed at the liquid crystal layer 130 between active assembly array substrate 110 and the subtend substrate 120.As shown in Figure 1, have a plurality of pixel electrodes 140 on the active assembly array substrate 110, and subtend substrate 120 has a shared electrode 150.The liquid crystal molecule of pixel electrode 140 tops is done reversing in various degree by the voltage difference between pixel electrode 140 and the shared electrode 150, so that LCD is done the demonstration of gray scale.Yet the reaction velocity of this kind LCD often is subject to the grayscale voltage of pixel electrode 140 and the material of liquid crystal molecule, makes the demonstration of LCD when making quick playing animation have the generation of ghost.
The prior art of improving the reaction velocity of LCD is suggested in succession, as U.S. Patent number the 7167225th, 6,100, and 953,6,335, No. 776 etc. are described.With U.S. Patent number the 6th, 335, No. 776 is example, has proposed to be controlled by the voltage between auxiliary electrode and the pixel electrode orientation of liquid crystal.
Summary of the invention
In view of this, the present invention is proposing a kind of display panels, has the short reaction time.
The present invention reintroduces a kind of driving method that drives display panels, has reaction velocity faster.
For specifically describing content of the present invention, the present invention proposes a kind of LCD, and this LCD comprises that subtend substrate and that an active assembly array substrate, is disposed at active assembly array substrate top is disposed at the liquid crystal layer between active assembly array substrate and the subtend substrate.Wherein, active assembly array substrate comprises the pixel electrode and an auxiliary electrode of driving component that many signal line, a plurality of and signal lines electrically connect, a plurality of and corresponding active components electric connection.And auxiliary electrode is disposed at the signal wire top.In addition, the subtend substrate has one and shares electrode, and the voltage difference of shared electrode and pixel electrode is less than the voltage difference of auxiliary electrode and pixel electrode; Also comprise an auxiliary voltage source, electrically connect, provide the overload driving voltage to described auxiliary electrode with described auxiliary electrode; Comprise that also one shares voltage source, electrically connect with described shared electrode.
In one embodiment of this invention, the subtend substrate has a plurality of orientation thrusts that are disposed at the pixel electrode top.
In one embodiment of this invention, signal wire comprises that multi-strip scanning line, many data lines and are positioned at the shared wiring of pixel electrode below, and shared wiring for example is to electrically connect with auxiliary electrode.
In one embodiment of this invention, auxiliary electrode for example is to be disposed at data line and shared wiring top.
In one embodiment of this invention, auxiliary electrode comprises transparency electrode.
In one embodiment of this invention, auxiliary electrode and pixel electrode belong to the same material layer, and auxiliary electrode is between pixel electrode.In other embodiments, auxiliary electrode comprises metal electrode.
In one embodiment of this invention, auxiliary electrode is disposed at the pixel electrode below, and the marginal portion of auxiliary electrode and each pixel electrode is overlapping.
In one embodiment of this invention, the LCD auxiliary voltage source is suitable for providing an alternating voltage or a direct current voltage.
In one embodiment of this invention, LCD share voltage source is suitable for providing an alternating voltage or a direct current voltage.
In one embodiment of this invention, the absolute value of the voltage difference of shared electrode and auxiliary electrode is less than or equal to 3 volts.
In one embodiment of this invention, the voltage of shared electrode is between the voltage of the voltage of pixel electrode and auxiliary electrode.
The present invention proposes a kind of driving method, be suitable for driving a LCD, this LCD comprises an active assembly array substrate, one subtend substrate and one is disposed at the liquid crystal layer between active assembly array substrate and the subtend substrate, wherein the subtend substrate is disposed at the active assembly array substrate top, and have one and share electrode, active assembly array substrate comprises the multi-strip scanning line, many data lines, a plurality of driving components that electrically connect with corresponding scanning line and data line, a plurality of pixel electrode and auxiliary electrodes that electrically connect with corresponding active components, and auxiliary electrode is disposed between the pixel electrode, and this driving method comprises the following steps.At first, provide an overload driving voltage to auxiliary electrode.Then, see through data line one image data is write pixel electrode.
In one embodiment of this invention, the overload driving voltage is to be provided to auxiliary electrode by an auxiliary voltage source.
In one embodiment of this invention, aforesaid driving method can make the voltage difference of the voltage difference of shared electrode and pixel electrode less than this auxiliary electrode and pixel electrode, and the voltage that makes shared electrode is between the voltage of the voltage of pixel electrode and auxiliary electrode, the overload driving is gone up in collocation again, can promote reaction velocity between gray scale (gray to gray response) effectively.
Based on above-mentioned, the present invention can be promoted the reaction velocity of LCD integral body by the voltage of control auxiliary electrode.In addition, the present invention also can input to auxiliary electrode with an overload driving voltage, with the speed of toppling over of liquid crystal molecule in the acceleration liquid crystal layer, speeds the reaction velocity of LCD, promotes display quality.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the existing a kind of LCD of expression.
Fig. 2 A is the synoptic diagram of a kind of LCD of the present invention.
Fig. 2 B is corresponding to the diagrammatic cross-section of A-A ' profile line among Fig. 2 A.
Fig. 2 C is corresponding to the diagrammatic cross-section of B-B ' profile line among Fig. 2 A.
Fig. 2 D is the diagrammatic cross-section of the another kind of LCD of the present invention.
Fig. 3 A is a kind of drive waveforms synoptic diagram that drives LCD.
Fig. 3 B is the another kind of drive waveforms synoptic diagram that drives LCD.
Fig. 3 C drives the drive waveforms synoptic diagram of LCD for another.
The primary clustering symbol description:
100: LCD
110: active assembly array substrate
120: the subtend substrate
130: liquid crystal layer
140: pixel electrode
150: shared electrode
200: LCD
210: active assembly array substrate
220: the subtend substrate
230: liquid crystal layer
240: sweep trace
242: shared wiring
250: data line
260: driving component
270: pixel electrode
280: auxiliary electrode
290: shared electrode
292: the orientation thrust
Pc: share voltage source
Pa: auxiliary voltage source
Vp: the voltage of pixel electrode
Va: the voltage of auxiliary electrode
Vc: the voltage of shared electrode
Δ Vc: the voltage difference of pixel electrode and shared electrode
Δ Va: the voltage difference of pixel electrode and auxiliary electrode
V
OD: the overload driving voltage
Embodiment
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Fig. 2 A is the synoptic diagram of a kind of LCD of the present invention, and Fig. 2 B is corresponding to the diagrammatic cross-section of A-A ' profile line among Fig. 2 A.Please also refer to Fig. 2 A and Fig. 2 B, present embodiment is only expressed two pixels in the LCD 200 with as illustrative purposes.The LCD 200 of present embodiment comprises that subtend substrate 220 and that an active assembly array substrate 210, is disposed at active assembly array substrate 210 tops is disposed at the liquid crystal layer 230 between active assembly array substrate 210 and the subtend substrate 220.Wherein, active assembly array substrate 210 comprises the pixel electrode 270 and an auxiliary electrode 280 of driving component 260 that many signal line (as sweep trace 240 and data line 250), a plurality of and corresponding scanning line 240 and data line 250 electrically connect, a plurality of and corresponding active components 260 electric connections.Driving component 260 for example is thin film transistor (TFT) (being exemplified as amorphous silicon film transistor or low-temperature polysilicon film transistor) or diode.Auxiliary electrode 280 is exemplified as and is disposed at directly over the signal wire (as data line 250), and between pixel electrode 270.In addition, shown in Fig. 2 B, subtend substrate 220 has one and shares electrode 290.
Shown in Fig. 2 A, auxiliary electrode 280 is substantially around pixel electrode 270, but is not limited thereto, and auxiliary electrode 280 can be only overlapping with data line 250, or simultaneously overlapping with data line 250 and shared wiring 242.The position that is provided with of auxiliary electrode 280 please will fit into reference of the present invention in No. the 6th, 335,776, No. the 20010019388th, U.S. Patent Publication No. and the U.S. Patent number.
Voltage that it should be noted that pixel electrode 270 is Vp, and the voltage of shared electrode 290 is Vc, and the voltage of auxiliary electrode 280 is Va.In order to make the effect that auxiliary electrode can be brought into play increases reaction rate, the present invention makes the voltage difference delta Vc (being shown in Fig. 3 A) of shared electrode 290 and pixel electrode 270 less than the voltage difference delta Va (be shown in Fig. 3 A) of auxiliary electrode 280 with pixel electrode 270, and the voltage Vc (Fig. 3 A) that makes shared electrode 290 is between the voltage Va of voltage Vp of pixel electrode 270 (Fig. 3 A) and auxiliary electrode 280 (Fig. 3 A).With the ac voltage signal is example, input to auxiliary electrode 280 ac voltage signal can with the ac voltage signal homophase that inputs to shared electrode 290, and the amplitude of ac voltage signal that inputs to auxiliary electrode 280 is greater than the amplitude of the ac voltage signal that inputs to shared electrode 290, as shown in Figure 3A.In one embodiment, the voltage Va of the voltage Vc of shared electrode 290, the voltage Vp of pixel electrode 270 and auxiliary electrode 280 is all greater than 0 volt, and the voltage Vc of shared electrode 290 is between the voltage Va of the voltage Vp of pixel electrode 270 and auxiliary electrode 280.In another embodiment, the voltage Va of the voltage Vc of shared electrode 290, the voltage Vp of pixel electrode 270 and auxiliary electrode 280 is all less than 0 volt, and the voltage Vc of shared electrode 290 is between the voltage Va of the voltage Vp of pixel electrode 270 and auxiliary electrode 280.
Hold above-mentionedly, if will accelerate the reaction velocity of LCD 200, the voltage signal that inputs to auxiliary electrode 280 will be crucial.In the present invention, as the voltage difference delta Va (being shown in Fig. 3 A) of auxiliary electrode 280 and pixel electrode 270 during greater than the voltage difference delta Vc (being shown in Fig. 3 A) of shared electrode 290 and pixel electrode 270, can produce the electric field of the last one between auxiliary electrode 280 and the pixel electrode 270, so that can topple over apace near the liquid crystal molecule at pixel electrode 270 edges.In addition, when the voltage Vc of shared electrode 290 is between the voltage Va of the voltage Vp of pixel electrode 270 and auxiliary electrode 280, just can topple over towards correct direction near the liquid crystal molecule at pixel electrode 270 edges.After toppling over fast and correctly near the liquid crystal molecule at pixel electrode 270 edges, the liquid crystal molecule that is positioned at pixel electrode 270 tops just can be subjected to the promotion of its liquid crystal molecule on every side, arranges (multi-domains) and promptly form multiple domain.Hence one can see that, import correct voltage signal to auxiliary electrode 280 can quicken pixel electrode 270 tops liquid crystal molecule topple over speed, and then make the reaction velocity of LCD 200 obtain the lifting of certain degree.
Please continue 2B with reference to figure, in the present embodiment, subtend substrate 220 can further comprise a plurality of orientation thrusts 292 that are disposed at pixel electrode 270 tops, with so that liquid crystal molecule is multi-direction arrangement, and obtain a plurality of different orientation fields (domains), increase observer's angular field of view.In addition, except sweep trace 240 and data line 250, the signal wire on the active assembly array substrate 210 can comprise further that one is disposed at the shared wiring 242 of pixel electrode 270 belows, and shared wiring 242 for example is and auxiliary electrode 280 electrically connects.In detail, the shared wiring 242 that electrically connects with auxiliary electrode 280 can have and auxiliary electrode 280 similar functions, and this design has very big benefiting for the reaction velocity that promotes LCD 200.
Fig. 2 C is corresponding to the diagrammatic cross-section of B-B ' profile line among Fig. 2 A.Please refer to Fig. 2 C, in the present embodiment, auxiliary electrode 280 can be transparency electrode or metal electrode, and when auxiliary electrode 280 was transparency electrode, auxiliary electrode 280 can utilize the same material layer to make with pixel electrode 270.In general, the material of auxiliary electrode 280 and pixel electrode 270 can be indium tin oxide (IndiumTin Oxide, ITO), (Indium Zinc Oxide IZO) waits transparent conductive material to indium-zinc oxide.Certainly, when being reflective liquid-crystal display as if LCD 200, auxiliary electrode 280 also can be a metal with the material of pixel electrode 270, or other has the conductive material of reflection characteristic.Shown in 2A or 2C figure, the width of auxiliary electrode 280 is less than or equal to the width of data line 250 approximately, auxiliary electrode 280 be positioned at substantially data line 250 directly over.The width of auxiliary electrode 280 is less than or equal to the width of shared wiring 242 approximately, auxiliary electrode 280 be positioned at substantially shared wiring 242 directly over.It should be noted that the relative position that the present invention does not limit auxiliary electrode 280 and pixel electrode 270 must dispose shown in Fig. 2 C.For example, in other feasible embodiment of the present invention, auxiliary electrode 280 also can be disposed at partial pixel electrode 270 belows, and auxiliary electrode 280 can be overlapping with the marginal portion of pixel electrode 270, shown in Fig. 2 D.
Shown in Fig. 2 B, different with the transformation of shared electrode 290 for the voltage that makes auxiliary electrode 280, the LCD 200 of present embodiment can comprise further that one shares a voltage source Pc and an auxiliary voltage source Pa.Wherein, share voltage source Pc and shared electrode 290 electrically connect, and the share voltage source Pc be suitable for providing alternating voltage or DC voltage, and auxiliary voltage source Pa and auxiliary electrode 280 electrically connect, and, the voltage kind that the visual share voltage of auxiliary voltage source Pa source Pc is provided in time selects to use alternating voltage or DC voltage.Hold above-mentioned, in the LCD 200 of present embodiment, the drive waveforms of the voltage Vc of the shared electrode 290 of the voltage Vp of pixel electrode 270, the voltage Va of auxiliary electrode 280 and subtend substrate 220 can be represented as Fig. 3 A, Fig. 3 B and Fig. 3 C, will distinguish that details are as follows.
Fig. 3 A is a kind of drive waveforms synoptic diagram that drives above-mentioned LCD.Please refer to Fig. 3 A, in this embodiment, the voltage signal that inputs to shared electrode 290 is an ac voltage signal, and the voltage signal that inputs to auxiliary electrode 280 is another ac voltage signal, and two ac voltage signals have identical phase place.As shown in Figure 3A, when the voltage Vp of pixel electrode 270 is positive half cycle when (comprising positive voltage or negative voltage), in order to satisfy the condition of voltage difference delta Va greater than Δ Vc, the voltage Va of auxiliary electrode 280 need be higher than the voltage Vc of shared electrode 290.In like manner, when the voltage Vp of pixel electrode 270 is negative half period when (comprising positive voltage or negative voltage), in order to satisfy the condition of voltage difference delta Va greater than Δ Vc, the voltage Va of auxiliary electrode 280 need be lower than the voltage Vc of shared electrode 290.The voltage Va of auxiliary electrode 280 and/or the voltage Vc of shared electrode 290 for example are about-10 volts to 10 volts.
Fig. 3 B is the another kind of drive waveforms synoptic diagram that drives above-mentioned LCD.Please refer to Fig. 3 B, in this embodiment, the voltage signal that inputs to shared electrode 290 is a direct current voltage signal, and the voltage signal that inputs to auxiliary electrode 280 is another d. c. voltage signal.Shown in Fig. 3 B, no matter the voltage Vp of pixel electrode 270 is positive half cycle (comprising positive voltage or negative voltage) or negative half period (comprising positive voltage or negative voltage), in order to satisfy the condition of voltage difference delta Va greater than Δ Vc, the voltage Va of auxiliary electrode 280 need be lower than the voltage Vc of shared electrode 290.The voltage Va of auxiliary electrode 280 and/or the voltage Vc of shared electrode 290 for example are about-10 volts to 10 volts.
Fig. 3 C drives the drive waveforms synoptic diagram of above-mentioned LCD for another.Please refer to Fig. 3 C, in this embodiment, the voltage signal that inputs to shared electrode 290 is a direct current voltage signal, and the voltage signal that inputs to auxiliary electrode 280 is an ac voltage signal, and the ac voltage signal that inputs to auxiliary electrode 280 has identical phase place with the ac voltage signal that inputs to pixel electrode 270.Shown in Fig. 3 C, no matter the voltage Vp of pixel electrode 270 is positive half cycle (comprising positive voltage or negative voltage) or negative half period (comprising positive voltage or negative voltage), in order to satisfy the condition of voltage difference delta Va greater than Δ Vc, the voltage Va of auxiliary electrode 280 need be lower than the voltage Vc of shared electrode 290.The voltage Va of auxiliary electrode 280 and/or the voltage Vc of shared electrode 290 for example are about-10 volts to 10 volts.
What deserves to be mentioned is that the voltage Va of auxiliary electrode 280 is except need satisfy the condition of Δ Va greater than Δ Vc, the deviser still needs and considers voltage difference between auxiliary electrode 280 and the common electrode 290 to the influence of liquid crystal molecule.In detail, before carrying out the gray scale demonstration at pixel electrode 270, the liquid crystal molecule 280 at pixel electrode edge is subjected to too big voltage difference and presents abnormal show, the deviser can include in consideration such as spacing (cell gap) of employed liquid crystal kind and liquid crystal layer in the lump, to select suitable voltage Va and voltage Vc.In a preferred embodiment, the absolute value of the difference of the voltage Va of auxiliary electrode 280 and the voltage Vc of shared electrode 290 for example is to be less than or equal to 3 volts.
In above-mentioned enforcement profit, but the voltage Vc of the voltage Va of auxiliary electrode 280 and/or shared electrode 290 for example is definite value or modulation.
Except promote the reaction velocity of LCD 200 with said method, the present invention can insert an overload driving voltage V in time during each gray scale of LCD 200 pictures shows
OD, to shorten the time that each display gray scale switches.Particularly, this overload driving voltage V
ODCan put on before the normal gray scale display time interval of pixel electrode 270, also can put on the auxiliary electrode 280, about applying overload driving voltage V
ODDriving method to the auxiliary electrode 280 will details are as follows.
Please also refer to Fig. 2 A and Fig. 2 B, the present invention proposes a kind of driving method, and it is suitable for driving aforesaid LCD 200, and this driving method comprises the following steps.One overload driving voltage V is provided
ODTo auxiliary electrode 280, so that the liquid crystal molecule of top, pixel electrode 270 edges is toppled over rapidly and correctly.Particularly, providing an overload driving voltage V
ODIn the time of to auxiliary electrode 280, provide an image data, just see through data line 250 image data is write pixel electrode 270 to this pixel electrode 270.In the present embodiment, overload driving voltage V
ODBe to provide to auxiliary electrode 280 by an auxiliary voltage source Pa.In detail, this kind driving method is when image data writes pixel electrode 270, input overload driving voltage V
ODTo auxiliary electrode 280.In other words, this kind driving method can speed LCD 200 reaction velocitys, on the other hand, because auxiliary voltage source Pa can optionally share same voltage source with shared wiring 242, therefore, the speed that this overload driving method does not need original driving circuit to be upgraded image data doubles, and can reduce the complexity of driving circuit, saves circuit cost.
Based on above-mentioned, the present invention adopts auxiliary electrode and suitable auxiliary electrode voltage is provided in good time, therefore can promote the reaction velocity of LCD integral body.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (17)
1. a LCD is characterized in that, described LCD comprises:
One active assembly array substrate, it comprises: many signal line; A plurality of driving components, itself and signal lines electrically connect; A plurality of pixel electrodes, itself and corresponding active components electrically connect; And an auxiliary electrode, it is disposed at described signal wire top;
One subtend substrate, it is disposed at described active assembly array substrate top, and wherein said subtend substrate has one and shares electrode, and the voltage difference of described shared electrode and pixel electrode is less than the voltage difference of described auxiliary electrode and pixel electrode; And
One liquid crystal layer, it is disposed between described active assembly array substrate and the described subtend substrate;
Also comprise an auxiliary voltage source, electrically connect, provide the overload driving voltage to described auxiliary electrode with described auxiliary electrode;
Comprise that also one shares voltage source, electrically connect with described shared electrode.
2. LCD as claimed in claim 1 is characterized in that, described subtend substrate has a plurality of orientation thrusts, is disposed at described pixel electrode top.
3. LCD as claimed in claim 1 is characterized in that, described signal wire comprises that multi-strip scanning line, many data lines and are positioned at the shared wiring of described pixel electrode below.
4. LCD as claimed in claim 3 is characterized in that, described shared wiring and described auxiliary electrode electrically connect.
5. LCD as claimed in claim 3 is characterized in that, described auxiliary electrode is disposed at directly at least one described data line.
6. LCD as claimed in claim 5 is characterized in that, the width of described auxiliary electrode is less than or equal to the width of described data line.
7. LCD as claimed in claim 1 is characterized in that, described auxiliary electrode and described pixel electrode belong to the same material layer, and described auxiliary electrode is between two adjacent pixel electrodes.
8. LCD as claimed in claim 1 is characterized in that, described auxiliary electrode is metal electrode or transparency electrode.
9. LCD as claimed in claim 1 is characterized in that, described auxiliary electrode is disposed at described pixel electrode below, and the marginal portion of described auxiliary electrode and described pixel electrode is overlapping.
10. LCD as claimed in claim 1 is characterized in that, described auxiliary voltage source is suitable for providing an alternating voltage or a direct current voltage.
11. LCD as claimed in claim 1 is characterized in that, described share voltage source is suitable for providing an alternating voltage or a direct current voltage.
12. LCD as claimed in claim 1 is characterized in that, the absolute value of described shared electrode and described auxiliary electrode voltage difference is less than or equal to 3 volts.
13. LCD as claimed in claim 1 is characterized in that, the voltage of described shared electrode is between the voltage of the voltage of pixel electrode and described auxiliary electrode.
14. a driving method is suitable for driving each the described LCD as in the claim 1 to 13, it is characterized in that described driving method comprises:
Provide an overload driving voltage to described auxiliary electrode; And
Provide an image data to described pixel electrode.
15. driving method as claimed in claim 14 is characterized in that, described overload driving voltage is-10 volts to 10 volts.
16. driving method as claimed in claim 14 is characterized in that, the voltage of the voltage of described shared electrode, the voltage of described pixel electrode and described auxiliary electrode is all greater than 0 volt.
17. driving method as claimed in claim 14 is characterized in that, the voltage of the voltage of described shared electrode, the voltage of described pixel electrode and described auxiliary electrode is all less than 0 volt.
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| KR101044549B1 (en) * | 2007-11-07 | 2011-06-27 | 하이디스 테크놀로지 주식회사 | Fringe field switching mode liquid crystal display device and manufacturing method thereof |
| TWI363240B (en) | 2008-03-31 | 2012-05-01 | Au Optronics Corp | Active array substrate, electrode substrate, and liquid crystal display panel |
| CN101256328B (en) * | 2008-04-08 | 2010-12-01 | 友达光电股份有限公司 | Liquid crystal display panel |
| CN102023447B (en) * | 2008-04-08 | 2014-04-16 | 友达光电股份有限公司 | Electrode substrate and liquid crystal display panel |
| CN107301847B (en) * | 2017-06-29 | 2018-08-28 | 惠科股份有限公司 | Driving method and driving device of display panel and display device |
| CN109411505B (en) | 2017-08-17 | 2020-11-17 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method thereof, display device and driving method thereof |
| CN109407422B (en) * | 2018-11-14 | 2020-10-16 | 惠科股份有限公司 | Display panel, manufacturing method and display device |
| CN112904630A (en) * | 2021-02-22 | 2021-06-04 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN113594180B (en) * | 2021-07-22 | 2023-09-15 | Tcl华星光电技术有限公司 | Array substrate, preparation method thereof and display panel |
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