CN100428007C - Liquid crystal display panel and its driving method - Google Patents
Liquid crystal display panel and its driving method Download PDFInfo
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- CN100428007C CN100428007C CNB2007101037431A CN200710103743A CN100428007C CN 100428007 C CN100428007 C CN 100428007C CN B2007101037431 A CNB2007101037431 A CN B2007101037431A CN 200710103743 A CN200710103743 A CN 200710103743A CN 100428007 C CN100428007 C CN 100428007C
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Abstract
A liquid crystal face plate consists of multiple scan line, multiple data line, multiple first shared wiring, multiple second shared wiring and multiple pixel being electric-connected to said scan line and data line. It is featured as having the first display region and a pair of the second display regions on each pixel when each pixel is driven, receiving signal coupled by two said shared wirings by the first display region and a pair of the second display regions on each pixel to present different brightness, aligning the first display region to the second one on column direction and locating the first display region between each pair of the second display regions.
Description
Technical field
The present invention relates to a kind of display device, particularly relate to a kind of display panels and driving method thereof.
Background technology
(thin film transistor liquidcrystal display, performance requirement TFT-LCD) are towards characteristic development such as height contrast (high contrast ratio), the counter-rotating of no GTG (no gray scale inversion), colour cast little (little color shift), brightness height (high luminance), high color richness, high color saturation, rapid reaction and wide viewing angles to existing market for Thin Film Transistor-LCD.Can reach the technology of wide viewing angle requirement at present, for example stable twisted nematic liquid crystal (TN) adds view film (wide viewing film), copline suitching type (in-plane switching, IPS) LCD, limit suitching type (fringe field switching) LCD and multidomain vertical alignment type (multi-domain vertically alignment, MVA) mode such as Thin Film Transistor-LCD.
For known multi-field vertical assigned LCD panel, the orientation thrust (alignment protrusion) or the slit (slit) that are formed on colored optical filtering substrates or the thin-film transistor array base-plate can make liquid crystal molecule be multi-direction arrangement, and obtain several different orientation fields (domain), so multi-field vertical assigned LCD panel can reach the requirement of wide viewing angle.
Figure 1A is the regular penetrance (normalizedtransmittance) of known multi-field vertical assigned LCD panel and the graph of a relation of GTG (gray level).Please refer to Figure 1A, horizontal ordinate is a GTG, and ordinate is regular penetrance.By Figure 1A as can be known, though known multi-field vertical assigned LCD panel can reach the requirement of wide viewing angle, along with the change of observation visual angle, penetrance has different curvature to the curve (transmittance-level curve) of GTG.That is to say that when the visual angle of observing changed, the shown brightness meeting that goes out of known multiple domain vertical orientation type liquid crystal display changed, and then causes colour cast (color shift) or color saturation deficiency problems such as (color washout).
In order to solve the problem of colour cast, existing multiple known technology is suggested in succession, and wherein a kind of method is to form two viewing areas that brightness is different in single pixel.Utilize the data voltage difference of input two viewing areas, or utilize the be coupled data voltage of two viewing areas of different electric capacity, so that two viewing areas in the single pixel produce the electric fields of different sizes respectively, and then impel the liquid crystal molecule of two viewing areas that in various degree the arrangement of toppling over is arranged.
Figure 1B is the show state synoptic diagram of known a kind of multi-field vertical assigned LCD panel.Please refer to Figure 1B, display panels 10 is made up of the pixel 12 of a plurality of arrayed, and wherein each pixel comprises a bright viewing area B and a dark viewing area D.Shown in Figure 1B, the bright viewing area B in each pixel 12 presents periodic variation with the configuration mode of dark viewing area D on line direction, and on column direction, the bright viewing area B of each pixel then immobilizes with the configuration mode of dark viewing area D.
Though above-mentioned this bright dark distribution pattern can be improved color offset phenomenon, but along with the size of display panels increases day by day, the size of pixel and arrangement pitches are more near the cognizable range of size of human eye, therefore display panels is easy to generate tangible graininess Luminance Distribution, and then influences the display quality of display panels.
Summary of the invention
The object of the present invention is to provide the preferable display panels of a kind of display quality, solve colour cast in the above-mentioned known technology, color saturation deficiency, easily produce tangible graininess Luminance Distribution and influence problems such as display quality.
Another object of the present invention is to provide a kind of driving method of display panels, it can make display panels have preferable display effect.
To achieve these goals, the invention provides a kind of display panels, comprise multi-strip scanning line, many data lines, many first shared wiring, many second shared wiring and pixel a plurality of and that sweep trace reaches and data line electrically connects.When each pixel is driven, each pixel has one first viewing area and a pair of second viewing area, wherein first viewing area of each pixel receive the signal that is coupled by first shared wiring and second shared wiring respectively and present different brightness second viewing area with this, and align on column direction with second viewing area in first viewing area of each pixel, and first viewing area of each pixel is between each is to second viewing area.
In one embodiment of this invention, each pixel comprises first driving component, second driving component, first pixel electrode and second pixel electrode.First driving component is connected with corresponding scanning line and data line.Second driving component is connected with corresponding scanning line and data line.First pixel electrode is connected with first driving component, the position of corresponding first viewing area, the position of first pixel electrode wherein, and be positioned at first shared wiring top.Second pixel electrode is connected with second driving component, the position of corresponding second viewing area, the position of second pixel electrode wherein, and be positioned at second shared wiring top.
In one embodiment of this invention, first driving component of each pixel and second driving component are electrically connected to same sweep trace and same data line.
In one embodiment of this invention, each second pixel electrode comprises one first show electrode, one second show electrode and a connection electrode.First show electrode and second driving component electrically connect.First pixel electrode is between first show electrode and second show electrode.Second show electrode is connected with first show electrode by connection electrode.
In one embodiment of this invention, the connection electrode in each pixel is positioned at a side of first pixel electrode.In other embodiments, the connection electrode in each pixel also can be positioned at the both sides of first pixel electrode.
In one embodiment of this invention, each pixel comprises that also one first capacitance electrode is disposed between first shared wiring and first pixel electrode, form one first storage capacitors between first shared wiring and first capacitance electrode, and form one second storage capacitors between first capacitance electrode and first pixel electrode.In addition, in another embodiment, first capacitance electrode of each pixel and the subregion of connection electrode form a coupling condenser.
In one embodiment of this invention, each pixel also comprises one second capacitance electrode, is disposed between second shared wiring and second pixel electrode, and forms one the 3rd storage capacitors between second shared wiring and second capacitance electrode.
In one embodiment of this invention, the area of first viewing area of each pixel equates in fact with the area of second viewing area.
In one embodiment of this invention, first viewing area of each pixel and second viewing area present rectangle.
In one embodiment of this invention, pixel is suitable for presenting multiple bright dark distribution pattern, and the bright dark distribution pattern that pixel presented is all presenting periodic variation on the line direction with on the column direction.
To achieve these goals, the present invention also proposes a kind of driving method, be suitable for driving above-mentioned display panels, this driving method comprises the following steps: data-signal is inputed to the pixel that is positioned at different rows through data line, and provide one first AC signal and one second AC signal to the first shared wiring and second shared wiring respectively, first AC signal but phase differential identical with the concussion cycle of second AC signal, 180 degree wherein are so that first viewing area of each pixel receives the signal that is coupled by first shared wiring and second shared wiring respectively and presents different brightness with second viewing area.
In one embodiment of this invention, the method that data-signal is inputed to the pixel that is positioned at different rows comprises an inversion driving (dot inversion), line inversion driving (line inversion) or two wires inversion driving (two line inversion).
In one embodiment of this invention, the concussion cycle of the concussion cycle of first AC signal and second AC signal and data-signal is identical.In other embodiments, the concussion cycle of first AC signal and second AC signal is the integral multiple in the concussion cycle of data-signal.
Based on above-mentioned, the present invention is divided into two viewing areas with each pixel in the display panels, and utilizes the different degree of coupling of different sharing distribution respectively, makes two viewing areas in each pixel present different brightness, and then improves the colour cast problem.In addition, the configuration mode of two viewing areas in each pixel and area ratio viewable design demand are freely adjusted, so that display panels presents preferable bright dark distribution pattern.Have, the present invention also proposes a kind of driving method of display panels again, and it can increase the adjustment degree of the bright dark distribution pattern of display panels, so that the demonstration of display panels is more fine and smooth.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Figure 1A is the regular penetrance of known multi-field vertical assigned LCD panel and the graph of a relation of GTG;
Figure 1B is the show state synoptic diagram of known a kind of display panels;
Fig. 2 is the show state synoptic diagram of a kind of display panels of the present invention;
Fig. 3 A is the synoptic diagram of a kind of display panels of the present invention;
Fig. 3 B is the equivalent circuit diagram of Fig. 3 A.
Fig. 4 A is the synoptic diagram of the another kind of display panels of the present invention;
Fig. 4 B is the synoptic diagram of another display panels of the present invention;
Fig. 5 is the show state synoptic diagram of the another kind of display panels of the present invention;
Fig. 6 is the show state synoptic diagram of another display panels of the present invention;
Fig. 7 is the drive waveforms synoptic diagram of a kind of display panels of the present invention;
Fig. 8 is the drive waveforms synoptic diagram of the another kind of display panels of the present invention.
Wherein, Reference numeral:
10,100: display panels
12: pixel
110: sweep trace
120: data line
130: the first shared wiring
140: the second shared wiring
150: pixel
161: the first driving components
162: the second driving components
171: the first pixel electrodes
172: the second pixel electrodes
172a: first show electrode
172b: second show electrode
172c: connection electrode
181: the first capacitance electrodes
182: the second capacitance electrodes
A1: first viewing area
A2: second viewing area
B: bright viewing area
Cs
1: first storage capacitors
Cs
2: second storage capacitors
Cs
3: the 3rd storage capacitors
Cc: coupling condenser
D: dark viewing area
D
1: data-signal
M1: first kind of bright dark distribution pattern
M2: second kind of bright dark distribution pattern
S
1: sweep signal
T1, T2: time interval
U: unit
Vc
1: first AC signal
Vc
2: second AC signal
Vp
1: the shows signal of first viewing area
Vp
2: the shows signal of second viewing area
Embodiment
Fig. 2 is the show state synoptic diagram of a kind of display panels of the present invention.Please refer to Fig. 2, display panels 100 comprises multi-strip scanning line 110, many data lines 120, many first shared wiring 130, many second shared wiring 140 and pixel 150 a plurality of and sweep trace 110 and data line 120 electric connections.When each pixel 150 is driven, each pixel 150 has one first viewing area A1 and a pair of second viewing area A2, wherein the first viewing area A1 of each pixel 150 receives respectively by the signal of first shared wiring 130 and 140 couplings of second shared wiring the second viewing area A2 and presents different brightness with each, and the first viewing area A1 of each pixel 150 aligns on column direction with the second viewing area A2, and the first viewing area A1 of each pixel 150 is between each is to the second viewing area A2.
Fig. 3 A is the synoptic diagram of a kind of display panels of the present invention, and Fig. 3 A only illustrates a pixel 150 and explains for example.Please refer to Fig. 3 A, pixel 150 comprises first driving component 161, second driving component 162, first pixel electrode 171 and second pixel electrode 172.In the present embodiment, first driving component 161 of pixel 150 and second driving component 162 are electrically connected to same sweep trace 110 and same data line 120.First pixel electrode 171 is connected with first driving component 161, and wherein the corresponding first viewing area A1 in the position of first pixel electrode 171 is provided with, and is positioned at first shared wiring, 130 tops.Second pixel electrode 172 is connected with second driving component 162, and wherein the corresponding second viewing area A2 in the position of second pixel electrode 172 is provided with, and is positioned at second shared wiring, 140 tops.In the present embodiment, first pixel electrode 171 and second pixel electrode 172 have a plurality of slits 174, so that the Liquid Crystal Molecules Alignment of first pixel electrode 171 and second pixel electrode, 172 tops becomes a plurality of orientations field.
Please continue the 3A with reference to figure, second pixel electrode 172 comprises one first show electrode 172a, one second show electrode 172b and a connection electrode 172c.The first show electrode 172a and second driving component 162 electrically connect.First pixel electrode 171 is between the first show electrode 172a and the second show electrode 172b.The second show electrode 172b is connected with the first show electrode 172a by connection electrode 172c.
In order further to promote the display quality of display panels 100, in the present embodiment, pixel 150 can further comprise one first capacitance electrode 181 and one second capacitance electrode 182.First capacitance electrode 181 is disposed between first shared wiring 130 and first pixel electrode 171, and 182 of second capacitance electrodes are disposed between second shared wiring 140 and second pixel electrode 172.Fig. 3 B is the equivalent circuit diagram of Fig. 3 A.Please also refer to Fig. 3 A and Fig. 3 B, form the first storage capacitors Cs between first shared wiring 130 and first capacitance electrode 181
1, form the second storage capacitors Cs between first capacitance electrode 181 and first pixel electrode 171
2, and form the 3rd storage capacitors Cs between second shared wiring 140 and second capacitance electrode 182
3In addition, C
LC1With C
LC2Be respectively the liquid crystal capacitance of first pixel electrode 171 and second pixel electrode 172.In the present embodiment, first pixel electrode 171 and second pixel electrode 172 are by the first storage capacitors Cs
1, the second storage capacitors Cs
2With the 3rd storage capacitors Cs
3Collocation, can promote the demonstration degree of stability of each pixel 150.
Specifically, in the present embodiment, first capacitance electrode 181 extends to the below, subregion of connection electrode 172c, makes first capacitance electrode 181 of each pixel 150 and the subregion of connection electrode 172c form a coupling condenser Cc.Second pixel electrode 172 couples by the coupling condenser Cc and first pixel electrode 171, makes the display brightness of the first corresponding viewing area A1 and the display brightness of the second viewing area A2 keep particular kind of relationship, and then suppresses to show bad problem.Say that further first viewing area A1 in the pixel 150 and the relevance between the second viewing area A2 can be controlled by the size of adjusting coupling condenser Cc.For example, in the present embodiment, the connection electrode 172c in the pixel 150 is positioned at a side of first pixel electrode 171.In other embodiments, connection electrode 172c also can be disposed at the both sides of first pixel electrode 171 simultaneously, shown in Fig. 4 A.
The present invention can change the configuration of the first viewing area A1 and the second viewing area A2 in each pixel 150 by the shape of adjusting first pixel electrode 171, the first show electrode 172a and the second show electrode 172b in each pixel 150 or area ratio, so that the best resultsization of inhibition colour cast.For instance, in Fig. 3 A and Fig. 4 A, the area of the first viewing area A1 of each pixel 150 equates in fact with the area of the second viewing area A2, and the first viewing area A1 of each pixel 150 presents rectangle, and the second viewing area A2 then complies with the distribution of shapes of the first viewing area A1 in two offsides of the first viewing area A1.The deviser can look design requirement the shape of first pixel electrode 171 is made moderate change, and revise the first show electrode 172a be adjacent and the shape of the second show electrode 172b, make the first viewing area A1 and the second viewing area A2 of each pixel 150 present polygonal arrangement, shown in Fig. 4 B.Therefore, first pixel electrode 171 in each pixel 150 and area ratio, shape and the allocation position viewable design demand of second pixel electrode 172 and do suitable adjustment, the present invention does not limit the layout type and the area ratio of pixel electrode.
It should be noted that pixel 150 is suitable for presenting multiple bright dark distribution pattern in the display panels of the present invention, and the bright dark distribution pattern that pixel 150 is presented is all presenting periodic variation on the line direction with on the column direction.This special instruction be, bright dark distribution pattern is meant the bright dark distribution situation that the first viewing area A1 in the pixel 150 and the second viewing area A2 are presented, the area ratio of the first viewing area A1 and the second viewing area A2 does not influence the judgement of bright dark distribution pattern.For instance, as shown in Figure 5, make that first kind of bright dark distribution pattern M1 is that the brightness that the first viewing area A1 in the pixel 150 is presented is lower than the brightness that the second viewing area A2 is presented, and second kind of bright dark distribution pattern M2 is that the brightness that the first viewing area A1 in the pixel 150 is presented is higher than the brightness that the second viewing area A2 is presented.That is to say, first kind of bright dark distribution pattern M1 be in the pixel 150 dark viewing area D between bright viewing area B, second kind of bright dark distribution pattern M2 be in the pixel 150 bright viewing area B between dark viewing area D.
Fig. 5 is the show state synoptic diagram of the another kind of display panels of the present invention.Please refer to Fig. 5, in the pixel of first row in display panels 200, is to make periodic arrangement with first kind of bright dark distribution pattern M1, second kind of bright dark distribution pattern M2 from left to right in regular turn.In addition, in the pixel of first row, from top to bottom be to make periodic arrangement in regular turn equally with first kind of bright dark distribution pattern M1, second kind of bright dark distribution pattern M2.That is to say that in the present embodiment, display panels 200 is that first kind of bright dark distribution pattern M1 and the second kind of bright dark distribution pattern M2 with two pixels 150 is a U of unit, presents periodic variation respectively on line direction and column direction.In addition, the area of the first viewing area A1 among Fig. 5 in first kind of bright dark distribution pattern M1 is greater than the area of the first viewing area A1 in second kind of bright dark distribution pattern M2.The present invention does not limit area ratio and the shape of the first viewing area A1 and the second viewing area A2 in the pixel.
Fig. 6 is the show state synoptic diagram of the present invention at a kind of display panels.Please refer to Fig. 6, display panels 200 is that first kind of bright dark distribution pattern M1 with three pixels 150, second kind of bright dark distribution pattern M2 and first kind of bright dark distribution pattern M1 are a U of unit, presents periodic variation respectively on column direction and line direction.As shown in Figure 6, in three pixels 150 of the same U of unit, the area ratio of two first viewing area A1 equates, and the area ratio of another first viewing area A1 is less.Certainly, the area ratio of the first viewing area A1 in each pixel can be done appropriateness adjustment according to design requirement.The present invention does not limit area ratio and the shape of the first viewing area A1 and the second viewing area A2 in the pixel.
Fig. 7 is a kind of drive waveforms synoptic diagram of display panels, in order to drive above-mentioned display panels.Please also refer to Fig. 2 and Fig. 7, driving method of the present invention comprises in regular turn by sweep signal S
1Open corresponding scanning line 110, with data-signal D
1Input to the pixel 150 that is positioned at different rows through corresponding data line 120, and one first AC signal Vc is provided respectively
1With one second AC signal Vc
2To first shared wiring 130 and second shared wiring 140, the wherein first AC signal Vc
1With the second AC signal Vc
2Identical but phase differential of concussion cycle 180 degree.Like this, the first viewing area A1 of each pixel 150 receives respectively by the signal of first shared wiring 130 and 140 couplings of second shared wiring with the second viewing area A2 and presents different brightness.Specifically, in time T 1 interval, the shows signal Vp of the first viewing area A1
1Be subjected to the first AC signal Vc of forward
1Coupling, and the shows signal Vp of the second viewing area A2
2Be subjected to the second reverse AC signal Vc
2Coupling, thereby make the viewing area A1 that wins present different brightness with the second viewing area A2.In like manner, in time T 2 intervals, the first viewing area A1 then is subjected to respectively oppositely with the second viewing area A2 and the signal of forward is coupled and present different brightness.
It should be noted that in the present embodiment, with data-signal D
1The method that inputs to the pixel 150 that is positioned at different rows for example is an inversion driving (dot inversion).In other embodiments, with data-signal D
1The method that inputs to the pixel 150 that is positioned at different rows also can be line inversion driving (lineinversion), two wires inversion driving or other kind.
Fig. 8 is the drive waveforms synoptic diagram of another kind of display panels, in order to drive above-mentioned display panels.Please refer to Fig. 8, the driving method of present embodiment and above-mentioned driving method are similar, and the two difference is: the first AC signal Vc
1With the second AC signal Vc
2The concussion cycle be data-signal D
1The twice in concussion cycle.Certainly, in other embodiments, the first AC signal Vc
1With the second AC signal Vc
2The concussion cycle also can be data-signal D
1The integral multiple in concussion cycle.
Based on above-mentioned, the present invention is divided into each pixel in the display panels first viewing area and is positioned at second viewing area of first viewing area, two offsides, and utilizes the coupled signal of different sharing distribution to make it present different brightness respectively, improves the colour cast problem.In addition, the deviser can adjust first viewing area in each pixel and the configuration mode and the area ratio of second viewing area according to design requirement, so that present preferable bright dark distribution pattern on the display panels, and then promote display quality.On the other hand, the present invention also proposes a kind of driving method of display panels, and it can increase the adjustment of the bright dark distribution pattern of display panels, can make the display quality of display panels more meet consumer demand equally.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (17)
1, a kind of display panels is characterized in that, comprising:
The multi-strip scanning line;
Many data lines;
Many first shared wiring;
Many second shared wiring; And
A plurality of pixels, respectively with respectively this sweep trace and respectively this data line electric connection, respectively this pixel has one first viewing area and a pair of second viewing area, wherein respectively this first viewing area of this pixel receive the signal that is coupled by this first shared wiring and this second shared wiring respectively with this to second viewing area, and respectively this first viewing area of this pixel with should be on column direction, aliging second viewing area, and respectively this first viewing area of this pixel between this is to second viewing area.
2, display panels according to claim 1 is characterized in that, respectively this pixel comprises:
One first driving component is connected with corresponding scanning line and data line;
One second driving component is connected with corresponding scanning line and data line;
One first pixel electrode is connected with this first driving component, wherein this first pixel electrode to should first viewing area being provided with, and be positioned at this first shared wiring top; And
One second pixel electrode is connected with this second driving component, and wherein the position of this second pixel electrode is to should second viewing area being provided with, and is positioned at this second shared wiring top.
3, display panels according to claim 2 is characterized in that, respectively this of this pixel first driving component and this second driving component are electrically connected to same sweep trace and same data line.
4, display panels according to claim 2 is characterized in that, respectively this second pixel electrode comprises:
One first show electrode electrically connects with this second driving component;
One second show electrode, wherein this first pixel electrode is between this first show electrode and this second show electrode; And
One connection electrode connects this second show electrode and this first show electrode.
5, display panels according to claim 4 is characterized in that, respectively this connection electrode in this pixel is positioned at the one or both sides of this first pixel electrode.
6, display panels according to claim 2, it is characterized in that, respectively this pixel also comprises one first capacitance electrode, be disposed between this first shared wiring and this first pixel electrode, form one first storage capacitors between this first shared wiring and this first capacitance electrode, and form one second storage capacitors between this first capacitance electrode and this first pixel electrode.
7, display panels according to claim 4, it is characterized in that, respectively this pixel also comprises one first capacitance electrode, be disposed between this first shared wiring and this first pixel electrode, form one first storage capacitors between this first shared wiring and this first capacitance electrode, and form one second storage capacitors between this first capacitance electrode and this first pixel electrode.
8, display panels according to claim 7 is characterized in that, respectively the subregion of this of this pixel first capacitance electrode and this connection electrode forms a coupling condenser.
9, display panels according to claim 2, it is characterized in that, respectively this pixel also comprises one second capacitance electrode, is disposed between this second shared wiring and this second pixel electrode, and forms one the 3rd storage capacitors between this second shared wiring and this second capacitance electrode.
10, display panels according to claim 2 is characterized in that, this first pixel electrode and this second pixel electrode also comprise a plurality of slits.
11, display panels according to claim 1 is characterized in that, the area of this first viewing area equates in fact with the area sum of being somebody's turn to do second viewing area.
12, display panels according to claim 1 is characterized in that, this first viewing area present the rectangle setting with this to second viewing area.
13, display panels according to claim 1 is characterized in that, respectively this pixel presents with multiple bright dark distribution pattern, and the bright dark distribution pattern that respectively this pixel presented all presents with the bright dark distribution pattern of periodicity at line direction and column direction.
14, a kind of driving method is suitable for driving the described display panels of claim 1, it is characterized in that this driving method comprises:
Open respectively this sweep trace in regular turn, in regular turn data-signal is inputed to respectively this pixel that is positioned at different rows through this data line respectively; And
Provide one first AC signal and one second AC signal to this first shared wiring and this second shared wiring respectively, this first AC signal but phase differential identical 180 degree wherein with the oscillation period of this second AC signal so that respectively this of this pixel first viewing area with should receive the signal that is coupled by this first shared wiring and this second shared wiring respectively and present different brightness second viewing area.
15, driving method according to claim 14 is characterized in that, the method that data-signal is inputed to respectively this pixel that is positioned at different rows comprises an inversion driving, line inversion driving or two wires inversion driving.
16, driving method according to claim 14 is characterized in that, the oscillation period of this first AC signal and this second AC signal is identical with the oscillation period of this data-signal.
17, driving method according to claim 14 is characterized in that, be the integral multiple of the oscillation period of this data-signal the oscillation period of this first AC signal and this second AC signal.
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| CN103151001B (en) * | 2011-12-07 | 2015-11-25 | 群康科技(深圳)有限公司 | Liquid crystal indicator and image element driving method thereof |
| KR102510046B1 (en) * | 2016-07-18 | 2023-03-15 | 삼성전자주식회사 | Display apparatus and controlling method of thereof |
| CN106652943A (en) * | 2016-12-23 | 2017-05-10 | 惠科股份有限公司 | Color offset compensation method for detecting abnormal picture, terminal, and display device |
| CN112562600B (en) * | 2020-12-01 | 2021-12-03 | Tcl华星光电技术有限公司 | Display device and driving method thereof |
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