CN101751896B - Liquid crystal display device and driving method thereof - Google Patents
Liquid crystal display device and driving method thereof Download PDFInfo
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- CN101751896B CN101751896B CN 201010118719 CN201010118719A CN101751896B CN 101751896 B CN101751896 B CN 101751896B CN 201010118719 CN201010118719 CN 201010118719 CN 201010118719 A CN201010118719 A CN 201010118719A CN 101751896 B CN101751896 B CN 101751896B
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Abstract
The invention relates to a liquid crystal display device, which comprises a plurality of grid lines, a plurality of master data lines and secondary data lines, a switch circuit and a pixel array, wherein each grid line is used for transmitting a plurality of grid drive signals, and the master data lines and secondary data lines are respectively used for transmitting a plurality of data drive signals; the switch circuit controls the paths of a plurality of data drive signals transmitting to a plurality of secondary data lines according to a control signal, and the pixel array comprises a plurality of first and second pixel units; and each first pixel unit displays a picture according to a grid drive signal transmitted corresponding to the grid line and a data drive signal transmitted corresponding to the master data line, and each second pixel unit displays a picture according to a grid drive signal transmitted corresponding to the grid line and a data drive signal transmitted corresponding to the secondary data line. The liquid crystal display device has simple driving method, and can adjust the precharging and main charging time of the pixel units according to the polarity of data, thereby improving display quality.
Description
Technical field
The present invention is relevant to a kind of liquid crystal indicator and driving method thereof, espespecially a kind of liquid crystal indicator and driving method thereof of tool picture element level multi-task framework.
Background technology
Liquid crystal display (liquid crystal display, LCD) have low radiation, volume is little and the advantage such as low power consuming, replace gradually traditional cathode-ray tube (CRT) (cathode ray tube, CRT) display, and then be widely used in mobile computer, personal digital assistant (personal digital assistant, PDA), flat-surface television, or on the information products such as mobile phone.
Please refer to Fig. 1, Fig. 1 is the schematic diagram of a liquid crystal indicator 100 in prior art.Liquid crystal indicator 100 comprises a display panels 110, one source pole driving circuit (source driver) 120, one gate drive circuit (gate driver) 130, and time schedule controller (timing controller) 140.Display panels 110 is provided with 2M bar data line DL
1～DL
2M, N bar gate line GL
1～GL
N, and a picture element matrix.The picture element matrix comprises N of (2M) * picture element unit, the 1st to N row picture element unit respectively by PX
1～PX
NRepresent, each picture element unit comprises a thin film transistor (TFT) (thin film transistor, TFT) switching TFT, a liquid crystal capacitance C
LCWith a storage capacitors C
ST, be respectively coupled to a corresponding data line, a corresponding gate line, and a common voltage V
COM Time schedule controller 140 can produce source electrode drive circuit 120 and the gate drive circuit 130 required control signals of running, such as initial pulse signal VST, horizontal synchronization signal HSYNC and vertical synchronizing signal VSYNC etc.Gate drive circuit 130 can be according to initial pulse signal VST and vertical synchronizing signal VSYNC philosophy output gate trigger signal S
G1～S
GNTo gate line GL
1～GL
N, and then open thin film transistor switch TFT in corresponding row picture element unit.Source electrode drive circuit 120 can be according to the data-driven signal SD of horizontal synchronization signal HSYNC philosophy output corresponding to the image gray scale value
1～SD
2MTo data line DL
1～DL
2M, and then the liquid crystal capacitance C in the unit that charges capable picture element corresponding
LCWith storage capacitors C
ST
Please refer to Fig. 2, Fig. 2 is the schematic diagram of the driving method of prior art liquid crystal indicator 100.Fig. 2 has shown system frequency signal VCK and gate trigger signal S
G1～S
GNWaveform.The data-driven signal is in gate trigger signal SG
1～SG
NWrite corresponding picture element unit, wherein gate trigger signal SG during tool activation current potential (for example noble potential)
1～SG
NThe activation cycle respectively by T
1～T
NRepresent.When driving the liquid crystal indicator 100 of prior art, gate trigger signal S
G1～S
GNDifference is activation gate line GL sequentially
1～GL
N: as gate line GL
1When being enabled, see through respectively data line DL
1～DL
2MSequentially send corresponding to first row picture element unit PX
1Want the data-driven signal SD of show image
1～SD
2MAs gate line GL
2When being enabled, see through respectively data line DL
1～DL
2MSequentially send corresponding to secondary series picture element unit PX
2Want the data-driven signal SD of show image
1～SD
2M As gate line GL
NWhen being enabled, see through respectively data line DL
1～DL
2MSequentially send corresponding to N row picture element unit PX
NWant the data-driven signal SD of show image
1～SD
2MFormerly in the liquid crystal indicator 100 of technology, each picture element unit is to receive the data signals that the data line in its left side transmits, and (2M) * resolution of N can be provided.Therefore, see through the number 2M that increases data line and can promote picture element resolution, but source electrode drive circuit 120 also needs to provide more output channel.In large scale or high-resolution application, the liquid crystal indicator 100 of prior art often needs to use many group source electrode drive circuits, so can increase production cost.On the other hand, in frequency applications, the frequency of system frequency signal VCK accelerates, gate trigger signal SG
1～SG
NThe activation cycle T
1～T
NAlso can shorten, so the picture element unit easily can't reach desirable level because the duration of charging is not enough, and then affect display quality.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of another liquid crystal indicator 200 in prior art.Liquid crystal indicator 200 comprises a display panels 210, one source pole driving circuit 220, a gate drive circuit 230, and time schedule controller 240.Display panels 210 is provided with M bar data line DL
1～DL
M, N bar gate line GL
1～GL
N, and a picture element matrix.The picture element matrix comprises N of (2M) * picture element unit, is located at (M*N) individual picture element unit in data line left side by PX
ARepresent, and (M*N) the individual picture element unit of being located at the data line right side is by PX
BRepresent.Each picture element unit PX
AComprise a thin film transistor switch TFT1, a liquid crystal capacitance C
LCWith a storage capacitors C
ST, be respectively coupled to a corresponding data line, a corresponding gate line, and a common voltage V
COMEach picture element unit PX
BComprise two thin film transistor switch TFT2 and TFT3, a liquid crystal capacitance C
LCWith a storage capacitors C
ST, be respectively coupled to a corresponding data line, two corresponding gate lines, and a common voltage V
COMTime schedule controller 240 can produce source electrode drive circuit 220 and the gate drive circuit 230 required control signals of running, such as initial pulse signal VST, horizontal synchronization signal HSYNC and vertical synchronizing signal VSYNC etc.Gate drive circuit 230 can be according to initial pulse signal VST and vertical synchronizing signal VSYNC philosophy output gate trigger signal S
G1～S
GNTo gate line GL
1～GL
N, and then open thin film transistor switch in corresponding picture element unit.Source electrode drive circuit 220 can be according to the data-driven signal SD of horizontal synchronization signal HSYNC philosophy output corresponding to the image gray scale value
1～SD
MTo data line DL
1～DL
M, and then the liquid crystal capacitance C in the unit that charges capable picture element corresponding
LCWith storage capacitors C
ST
Please refer to Fig. 4, Fig. 4 is the schematic diagram of the driving method of prior art liquid crystal indicator 200.Fig. 4 has shown system frequency signal VCK and gate trigger signal S
G1～S
GNWaveform, wherein the data-driven signal is in gate trigger signal SG
1～SG
NWrite corresponding picture element unit during tool activation current potential (for example noble potential).To be coupled to gate line GL
nN row picture element unit be example (n is the positive integer that is not more than N), gate line GL
nAnd GL
n+1Need be enabled simultaneously and data could be write picture element unit PX
BIf gate line GL is only arranged
nThe data that are enabled only can write picture element unit PX
AAs shown in Figure 4, when driving prior art liquid crystal indicator 200, data writing process comprises 5 cycle T
n1～T
n5, T wherein
n4Be picture element unit PX
BMain charge cycle, T
n5Be picture element unit PX
AMain charge cycle, T
n1Be picture element unit PX
BPrecharge cycle, and T
n1, T
n2And T
n4Be picture element unit PX
APrecharge cycle.
Liquid crystal indicator 200 adopts picture element level multi-task (pixel level multiplexing, PLM) framework, and every two row picture elements are shared a data line, wherein picture element unit PX
ATo receive the data signals that the data line on its right side transmits, and picture element unit PX
BBe to receive the data signals that the data line in its left side transmits, therefore only need use M bar data line and N bar gate line that (2M) * resolution of N can be provided.Yet, for data correctly being write picture element unit PX
AOr PX
B, picture element unit PX
BNeed comprise two cluster film transistor switch TFT2 and TFT3, therefore can reduce the aperture opening ratio of picture element, often need to improve backlight intensity and just can keep brightness, not only processing procedure is complicated, also can increase power consumption.On the other hand, the type of drive very complex of the liquid crystal indicator 200 of prior art, and need 5 system frequency signal VCK cycles just can complete data and write, so can increase the driving time of whole picture, easily affect display quality under the situation of sweep frequency deficiency.
Summary of the invention
In view of the deficiency of above-mentioned technology, the purpose of this invention is to provide a kind of liquid crystal indicator, it comprises a plurality of gate lines, is used for respectively transmitting the complex gate trigger signal; A plurality of main data line perpendicular to these a plurality of gate lines, are used for respectively transmitting complex data-driven signal; A plurality of secondary data lines perpendicular to these a plurality of gate lines, are used for respectively transmitting this complex data-driven signal; One on-off circuit, it is controlled signal according to one and controls the path that this complex data-driven signal is sent to these a plurality of secondary data lines; An and picture element array.This picture element array comprises a plurality of the first picture element unit, be arranged at respectively the confluce of these a plurality of gate lines and these a plurality of master file lines, the data-driven signal that the gate trigger signal that each first picture element unit transmits according to a corresponding gate line and a corresponding main data line transmit comes display frame; And a plurality of the second picture element unit, be arranged at respectively the confluce of these a plurality of gate lines and this a plurality of times data line, the data-driven signal that the gate trigger signal that each second picture element unit transmits according to a corresponding gate line and a corresponding secondary data line transmit comes display frame.
The present invention separately provides a kind of driving method of liquid crystal indicator, and this liquid crystal indicator comprises a gate line; One master file line is perpendicular to this gate line; A data line is perpendicular to this gate line; One first picture element unit is arranged at the confluce of this gate line and this master file line; And one second picture element unit, be arranged at the confluce of this gate line and this time data line.This driving method comprises the one first data-driven signal that the GTG of wanting show image according to this first picture element unit provides tool the first polarity; The GTG of wanting show image according to this second picture element unit provides one second data-driven signal of tool the second polarity; Open simultaneously this first picture element unit and this second picture element unit within one first activation cycle; Open this first picture element unit within the one second activation cycle of this first activation week after date of continuing; This second data-driven signal of output is to this main data line and this secondary data line within this first activation cycle, and then to this second picture element unit carrying out main charging, and to this first picture element unit carrying out precharge; This first data-driven signal of output is to this main data line within this second activation cycle, and then to this first picture element unit carrying out main charging; And the length of adjusting this first and second activations cycle according to this first polarity and this second polarity.
The present invention separately provides a kind of driving method of liquid crystal indicator, and this liquid crystal indicator comprises one first gate line, one second gate line and one the 3rd gate line; One master file line, perpendicular to this first gate line to the 3rd gate line; A data line, perpendicular to this first gate line to the 3rd gate line; One first picture element unit is arranged at the confluce of this first gate line and this master file line; One second picture element unit is arranged at the confluce of this first gate line and this time data line; One the 3rd picture element unit is arranged at the confluce of this second gate line and this master file line; One the 4th picture element unit is arranged at the confluce of this second gate line and this time data line; One the 5th picture element unit is arranged at the confluce of the 3rd gate line and this master file line; And one the 6th picture element unit, be arranged at the confluce of the 3rd gate line and this time data line.The method comprises the GTG of wanting show image to the 6th picture element unit according to this first picture element unit provides respectively one first data-driven signal to the 6th data-driven signal; Open simultaneously this first picture element unit, this second picture element unit, the 5th picture element unit and the 6th picture element unit within one first activation cycle; Open simultaneously this first picture element unit and this second picture element unit within the one second activation cycle of this first activation week after date of continuing; This second data-driven signal of output is to this main data line and this secondary data line within this first activation cycle, and then to this second picture element unit carrying out main charging, and this first picture element unit, the 5th picture element unit and the 6th picture element unit are carried out precharge; And within this second activation cycle this first data-driven signal of output to this main data line, and then to this first picture element unit carrying out main charging.
Description of drawings
Fig. 1 is the schematic diagram of a liquid crystal indicator in prior art.
Fig. 2 is the schematic diagram of the driving method of prior art liquid crystal indicator.
Fig. 3 is the schematic diagram of another liquid crystal indicator in prior art.
Fig. 4 is the schematic diagram of the driving method of prior art liquid crystal indicator.
Fig. 5 is the schematic diagram of a liquid crystal indicator in the present invention.
Fig. 6 is the schematic diagram of the driving method of liquid crystal indicator in first embodiment of the invention.
Fig. 7 is the schematic diagram of the driving method of liquid crystal indicator in second embodiment of the invention.
[primary clustering symbol description]
C
LCLiquid crystal capacitance SW
1～SW
MSwitch
C
STStorage capacitors 100,200,300 liquid crystal indicators
V
COMCommon voltage 110,210,310 display panels
350 control circuits 120,220,320 source electrode drive circuits
360 on-off circuits 130,230,330 gate drive circuits
GL
1～GL
NGate line 140,240,340 time schedule controllers
TFT, TFT1～TFT3 thin film transistor switch
DL
1～DL
2M, DL
1～DL
M, DL
1'～DL
M' data line
PX
A, PX
B, PX
1～PX
N, PX
A1～PX
AN, PX
B1～PX
BNThe picture element unit.
Embodiment
Please refer to Fig. 5, Fig. 5 is the schematic diagram of the liquid crystal indicator 300 of tool picture element level multi-task framework in the present invention.Liquid crystal indicator 300 comprises a display panels 310, one source pole driving circuit 320, a gate drive circuit 330, time schedule controller 340, and a control circuit 350.Display panels 310 is provided with M bar master file line DL
1～DL
M, M bar time data line DL
1'～DL
M', N bar gate line GL
1～GL
N, an on-off circuit 360, an and picture element matrix.The picture element matrix comprises N of (2M) * picture element unit, is coupled to main data line DL
1～DL
M(M*N) individual picture element unit by PX
A1～PX
ANRepresent, and be coupled to time data line DL
1'～DL
M' (M*N) individual picture element unit by PX
B1～PX
BNRepresent.Each picture element unit comprises a thin film transistor switch TFT, a liquid crystal capacitance C
LCWith a storage capacitors C
ST, be respectively coupled to a corresponding main data line or a corresponding secondary data line, a corresponding gate line, and a common voltage V
COM Time schedule controller 340 can produce source electrode drive circuit 320, gate drive circuit 330 and the control circuit 350 required control signals of running, such as initial pulse signal VST, horizontal synchronization signal HSYNC, vertical synchronizing signal VSYNC etc.Gate drive circuit 330 can be according to initial pulse signal VST and vertical synchronizing signal VSYNC philosophy output gate trigger signal SG
1～SG
NTo gate line GL
1～GL
N, and then open thin film transistor switch TFT in corresponding row picture element unit.Source electrode drive circuit 320 can be according to the data-driven signal SD of horizontal synchronization signal HSYNC philosophy output corresponding to the image gray scale value
1～SD
MTo main data line DL
1～DL
M, and then the liquid crystal capacitance C in the unit that charges capable picture element corresponding
LCWith storage capacitors C
STOn the other hand, on-off circuit 360 comprises M switch SW
1～SW
M, can control signal CTL according to the switch that control circuit 350 transmits and control source electrode drive circuit 320 transmission data-driven signal SD
1～SD
MTo secondary data line DL
1'～DL
M' the path.In an embodiment of the present invention, switch SW
1～SW
MCan be the assembly of thin film transistor switch or other tool similar functions.
Please refer to Fig. 6, Fig. 6 is the schematic diagram of the driving method of liquid crystal indicator 300 in first embodiment of the invention.Fig. 6 has shown system frequency signal VCK, has controlled signal CTL and gate trigger signal SG
1～SG
NWaveform.The data-driven signal is in gate trigger signal SG
1～SG
NWrite corresponding picture element unit, wherein gate trigger signal SG during tool activation current potential (for example noble potential)
1～SG
NThe activation cycle respectively by (TB
1+ TA
1)～(TB
N+ TA
N) represent.With the 1st row picture element unit PX
A1And PX
B1Be example, at cycle T B
1Interior control signal CTL and gate trigger signal SG
1Tool activation current potential, switch SW
1～SW
MCan be unlocked, data-driven signal SD
1～SD
MCan see through respectively main data line DL
1～DL
MAnd be written into corresponding picture element unit PX
A1In, can see through respectively secondary data line DL simultaneously
1'～DL
M' and be written into corresponding picture element unit PX
B1In, the data-driven signal SD of source electrode drive circuit 220 outputs this moment
1～SD
MBe relevant to respectively corresponding picture element unit PX
B1Want the GTG of show image, so cycle T B
1Be the 1st row picture element unit PX
B1Main charge cycle, be the 1st row picture element unit PX simultaneously
A1Precharge cycle; Then at cycle T A
1Interior control signal CTL can switch to decapacitation current potential (for example electronegative potential), at this moment switch SW
1～SW
MCan be closed data-driven signal SD
1～SD
MOnly can see through respectively main data line DL
1～DL
MAnd be written into corresponding picture element unit PX
A1In, the data-driven signal SD of source electrode drive circuit 220 outputs this moment
1～SD
MBe relevant to respectively corresponding picture element unit PX
A1Want the GTG of show image, so cycle T A
1Be the 1st row picture element unit PX
AMain charge cycle writes picture element unit PX during this section
A1Data can cover before in precharge cycle TB
1In the data that write; In like manner, for the 2nd row picture element unit PX
A2And PX
B2, cycle T B
2Be picture element unit PX
B2Main charge cycle and picture element unit PX
A2Precharge cycle, and cycle T A
2Be picture element unit PX
A2Main charge cycle; The rest may be inferred, for N row picture element unit PX
ANAnd PX
BN, cycle T B
NBe picture element unit PX
BNMain charge cycle and picture element unit PX
ANPrecharge cycle, and cycle T A
NBe picture element unit PX
ANMain charge cycle.
If drive liquid crystal indicator 300 in counter-rotating (dot inversion) mode, be coupled to master file line DL
1～DL
MWith secondary data line DL
1'～DL
M' the picture element unit need drive with opposite polarity.Because the data when positive polarity write picture element unit PX
B1～PX
BNThe time simultaneously can be to picture element unit PX
A1～PX
ANCarry out precharge, so as picture element unit PX
A1～PX
ANWhen its main charge cycle writes the data of negative polarity, may have the problem of undercharge.On the other hand, if be coupled to master file line DL
1～DL
MWith secondary data line DL
1'～DL
M' the picture element unit be to drive with identical polar, owing to writing picture element unit PX
B1～PX
BNThe time the same polarity data can be to picture element unit PX
A1～PX
ANCarry out precharge, so picture element unit PX
A1～PX
ANMain charge cycle can shorten.In the driving method of first embodiment of the invention shown in Figure 6, controlling signal CTL is an adjustable signal, can control data through its responsibility cycle of adjustment and write picture element unit PX
A1～PX
ANAnd PX
B1～PX
BNTime length.For instance, when the responsibility cycle (duty cycle) of controlling signal CTL when being 50%, picture element unit PX
A1Main charge cycle (for example TA identical with precharge cycle length
1=TB
1); When the responsibility cycle of controlling signal CTL is 25%, picture element unit PX
A2Main charge cycle be shorter than precharge cycle (TB for example
2＜TA
2); When the responsibility cycle of controlling signal CTL is 75%, picture element unit PX
A3Main charge cycle be longer than precharge cycle (TB for example
3TA
3).
Please refer to Fig. 7, Fig. 7 is the schematic diagram of the driving method of liquid crystal indicator 300 in second embodiment of the invention.Fig. 7 has shown system frequency signal VCK, has controlled signal CTL and gate trigger signal SG
1～SG
NWaveform.The data-driven signal is in gate trigger signal SG
1～SG
NWrite corresponding picture element unit, wherein gate trigger signal SG during tool activation current potential (for example noble potential)
1～SG
NThe activation cycle respectively by (TA
1+ TB
1+ TC
1)～(TA
N+ TB
N+ TC
N) represent.With the 1st row picture element unit PX
A1And PX
B1With the 3rd row picture element unit PX
A3And PX
B3Be example, at cycle T B
1Interior control signal CTL and gate trigger signal SG
1, SG
3Tool activation level switch SW
1～SW
MCan be unlocked, data-driven signal SD
1～SD
MCan see through respectively main data line DL
1～DL
MAnd be written into corresponding picture element unit PX
A1And PX
A3In, see through respectively simultaneously secondary data line DL
1'～DL
M' and be written into corresponding picture element unit PX
B1And PX
B3In, the data-driven signal SD of source electrode drive circuit 320 outputs this moment
1～SD
MBe relevant to respectively corresponding picture element unit PX
B1Want the GTG of show image, so cycle T B
1Be picture element unit PX
B1Main charge cycle, and be picture element unit PX
A1, PX
A3And PX
B3Precharge cycle; Then at cycle T A
1Interior control signal CTL and gate trigger signal S
G3Can switch to decapacitation current potential (for example electronegative potential), at this moment switch SW
1～SW
MCan be closed data-driven signal SD
1～SD
MOnly can see through respectively main data line DL
1～DL
MAnd be written into corresponding picture element unit PX
A1In, the data-driven signal SD of source electrode drive circuit 320 outputs this moment
1～SD
MBe relevant to respectively corresponding picture element unit PX
A1Want the GTG of show image, so cycle T A
1Be picture element unit PX
A1Main charge cycle writes picture element unit PX during this section
A1Data can cover before in precharge cycle TB
1In the data that write; In like manner, for the 2nd row picture element unit PX
A2And PX
B2With the 4th row picture element unit PX
A4And PX
B4, cycle T B
2Be picture element unit PX
B2Main charge cycle and picture element unit PX
A2, PX
A4And PX
B4Precharge cycle, and cycle T A
2Be picture element unit PX
A2Main charge cycle; For the 3rd row picture element unit PX
A3And PX
B3With the 5th row picture element unit PX
A5And PX
B5, cycle T B
3Be picture element unit PX
B3Main charge cycle and picture element unit PX
A3, PX
A5And PX
B5Precharge cycle, and cycle T A
3Be picture element unit PX
A3Main charge cycle; The rest may be inferred, until write the data of whole picture.
The above is only preferred embodiment of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. the driving method of a liquid crystal indicator is characterized in that this liquid crystal indicator comprises:
One gate line;
One main data line is perpendicular to this gate line;
A data line is perpendicular to this gate line;
One first picture element unit is arranged at the confluce of this gate line and this main data line; And
One second picture element unit is arranged at the confluce of this gate line and this secondary data line; And
This driving method comprises:
The GTG of wanting show image according to this first picture element unit provides one first data-driven signal of tool the first polarity;
The GTG of wanting show image according to this second picture element unit provides one second data-driven signal of tool the second polarity;
Open simultaneously this first picture element unit and this second picture element unit within one first activation cycle;
Open this first picture element unit within the one second activation cycle of this first activation week after date of continuing;
This second data-driven signal of output is to this main data line and this secondary data line within this first activation cycle, and then to this second picture element unit carrying out main charging, and to this first picture element unit carrying out precharge;
This first data-driven signal of output is to this main data line within this second activation cycle, and then to this first picture element unit carrying out main charging; And
Adjust the length in this first and second activations cycle according to this first polarity and this second polarity.
2. the driving method of liquid crystal indicator according to claim 1 is characterized in that separately comprising:
When this first polarity is opposite with this second polarity, shortens the length in this first activation cycle and increase the length in this second activation cycle;
When this first polarity is identical with this second polarity, increases the length in this first activation cycle and shorten the length in this second activation cycle.
3. the driving method of a liquid crystal indicator is characterized in that this liquid crystal indicator comprises:
One first gate line, one second gate line and one the 3rd gate line;
One main data line, perpendicular to this first gate line to the 3rd gate line;
A data line, perpendicular to this first gate line to the 3rd gate line;
One first picture element unit is arranged at the confluce of this first gate line and this main data line;
One second picture element unit is arranged at the confluce of this first gate line and this secondary data line;
One the 3rd picture element unit is arranged at the confluce of this second gate line and this main data line;
One the 4th picture element unit is arranged at the confluce of this second gate line and this secondary data line;
One the 5th picture element unit is arranged at the confluce of the 3rd gate line and this main data line; And
One the 6th picture element unit is arranged at the confluce of the 3rd gate line and this secondary data line;
And this driving method comprises:
The GTG of wanting show image to the 6th picture element unit according to this first picture element unit provides respectively one first data-driven signal to the 6th data-driven signal;
Open simultaneously this first picture element unit, this second picture element unit, the 5th picture element unit and the 6th picture element unit within one first activation cycle;
Open this first picture element unit within the one second activation cycle of this first activation week after date of continuing;
This second data-driven signal of output is to this main data line and this secondary data line within this first activation cycle, and then to this second picture element unit carrying out main charging, and this first picture element unit, the 5th picture element unit and the 6th picture element unit are carried out precharge; And
This first data-driven signal of output is to this main data line within this second activation cycle, and then to this first picture element unit carrying out main charging.
4. the driving method of liquid crystal indicator according to claim 3 is characterized in that it separately comprises:
Open simultaneously the 3rd picture element unit and the 4th picture element unit within one the 3rd activation cycle of this second activation week after date of continuing;
Continue the 3rd activation week after date one the 4th activation cycle in open the 3rd picture element unit;
Output the 4th data-driven signal is to this main data line and this secondary data line within the 3rd activation cycle, and then the 4th picture element unit is carried out main charging, and the 3rd picture element unit is carried out precharge; And
Output the 3rd data-driven signal is to this main data line within the 4th activation cycle, and then the 3rd picture element unit is carried out main charging.
5. the driving method of liquid crystal indicator according to claim 4 is characterized in that separately comprising:
Continue the 4th activation week after date one the 5th activation cycle in open simultaneously the 5th picture element unit and the 6th picture element unit;
Continue the 5th activation week after date one the 6th activation cycle in open the 5th picture element unit;
Output the 6th data-driven signal is to this main data line and this secondary data line within the 5th activation cycle, and then the 6th picture element unit is carried out main charging, and the 5th picture element unit is carried out precharge; And
Output the 5th data-driven signal is to this main data line within the 6th activation cycle, and then the 5th picture element unit is carried out main charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010118719 CN101751896B (en) | 2010-03-05 | 2010-03-05 | Liquid crystal display device and driving method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010118719 CN101751896B (en) | 2010-03-05 | 2010-03-05 | Liquid crystal display device and driving method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101751896A CN101751896A (en) | 2010-06-23 |
| CN101751896B true CN101751896B (en) | 2013-05-22 |
Family
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| CN 201010118719 Expired - Fee Related CN101751896B (en) | 2010-03-05 | 2010-03-05 | Liquid crystal display device and driving method thereof |
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| CN102446497A (en) * | 2010-09-30 | 2012-05-09 | 北京京东方光电科技有限公司 | Array substrate and driving method therefor |
| TWI494913B (en) * | 2013-09-03 | 2015-08-01 | Raydium Semiconductor Corp | Pre-charging apparatus of source driving circuit and operating method thereof |
| CN104810001B (en) * | 2015-05-14 | 2017-11-10 | 深圳市华星光电技术有限公司 | The drive circuit and driving method of a kind of liquid crystal display panel |
| CN104880875B (en) * | 2015-06-02 | 2019-08-30 | 深圳市华星光电技术有限公司 | A kind of array substrate and liquid crystal display panel |
| US10403224B2 (en) | 2016-08-10 | 2019-09-03 | Novatek Microelectronics Corp. | Control method and control device for charging time sharing |
| CN106782411B (en) * | 2017-02-22 | 2019-02-12 | 京东方科技集团股份有限公司 | Precharge time regulating device, method, display driver circuit and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101533616A (en) * | 2008-03-14 | 2009-09-16 | 胜华科技股份有限公司 | Multiplex driving circuit for liquid crystal display (LCD) |
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| TW588300B (en) * | 2002-05-15 | 2004-05-21 | Au Optronics Corp | Display device with pre-charging |
| JP4391128B2 (en) * | 2002-05-30 | 2009-12-24 | シャープ株式会社 | Display device driver circuit, shift register, and display device |
| KR100980022B1 (en) * | 2003-10-17 | 2010-09-03 | 삼성전자주식회사 | Driving method of liquid crystal display |
| TWI323872B (en) * | 2006-01-19 | 2010-04-21 | Au Optronics Corp | Active matrix organic light emitting diode display and driving method thereof |
| CN101191923B (en) * | 2006-12-01 | 2011-03-30 | 奇美电子股份有限公司 | Liquid crystal display system and relevant driving process capable of improving display quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101533616A (en) * | 2008-03-14 | 2009-09-16 | 胜华科技股份有限公司 | Multiplex driving circuit for liquid crystal display (LCD) |
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| JP特开2004-54235A 2004.02.19 |
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