CN101452168A - LCD and liquid crystal display board thereof - Google Patents
LCD and liquid crystal display board thereof Download PDFInfo
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- CN101452168A CN101452168A CNA2007101965007A CN200710196500A CN101452168A CN 101452168 A CN101452168 A CN 101452168A CN A2007101965007 A CNA2007101965007 A CN A2007101965007A CN 200710196500 A CN200710196500 A CN 200710196500A CN 101452168 A CN101452168 A CN 101452168A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 88
- 239000003990 capacitor Substances 0.000 claims abstract description 49
- 230000004913 activation Effects 0.000 claims description 37
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 20
- 208000032005 Spinocerebellar ataxia with axonal neuropathy type 2 Diseases 0.000 description 7
- 208000033361 autosomal recessive with axonal neuropathy 2 spinocerebellar ataxia Diseases 0.000 description 7
- 239000010409 thin film Substances 0.000 description 5
- 101100214494 Solanum lycopersicum TFT4 gene Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
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- 101100489584 Solanum lycopersicum TFT1 gene Proteins 0.000 description 1
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- 101100214491 Solanum lycopersicum TFT3 gene Proteins 0.000 description 1
- 101100268333 Solanum lycopersicum TFT8 gene Proteins 0.000 description 1
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- 239000003086 colorant Substances 0.000 description 1
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Abstract
The present invention discloses a liquid crystal display panel and a liquid crystal display thereof. The liquid crystal display panel comprises pixels, a data line, a first scanning line and a first output signal line. The pixels are arranged into M rows and N lines, wherein M and N are positive integers which are not zero. Each pixel comprises a first switch, a second switch, a first capacitor and a liquid crystal capacitor. The first scanning line is used for activating the first switch of M rows of pixels at a first time period for causing that the data signal on each data line is stored in a first capacitor through a corresponding first switch. The first output signal line is used for activating the second switch of pixel at a second time period for causing that the signal data stored in the first capacitor is output to the liquid crystal capacitor through a corresponding second switch. Thereby the effect of liquid crystal response to the display picture can be improved for furthermore causing that each pixel reaches the required brightness.
Description
Technical field
The invention relates to a kind of display panel and display thereof, and particularly relevant for a kind of display panels and LCD thereof.
Background technology
The colorization of conventional liquid crystal is to utilize colored filter to cooperate complementary white backlight source, to demonstrate required color.Another kind of new color mode is not to utilize white light, but utilize red light source, green light source and blue-light source is switched fast, the liquid crystal pattern generating is changed, to demonstrate required color.This method promptly is called field sequence type color (Field Sequential Color, FSC) technology, or be referred to as look preface method (ColorSequential Method).
Above-mentioned look preface method need be divided into a picture frame time (Frame Period) three sub-picture frame times (Sub-Frame Period), make the color light source of three kinds of different colours of RGB in the different subgraph frame time, open (Turn On) in regular turn and give colour mixture, to show the corresponding image picture.
Please refer to Fig. 1, it illustrates the drive waveforms figure into traditional field sequence type LCD.Tradition field sequence type LCD is via sweep signal Scan (1)～each column scan line of Scan (n) activation, to export the data-signal Data of correspondence to each pixel in regular turn.Subsequently, corresponding color light source BLU is lighted in regular turn, with the show image picture.
Yet, do not reach the state that reacts completely owing to liquid crystal response (Liquid Crystal Response) can cause the liquid crystal molecule of panel Lower Half to open fashion in color light source, and then make partial pixel can't reach required brightness.
Summary of the invention
The present invention is a kind of display panels and the LCD thereof that provides for the above-mentioned shortcoming that overcomes the prior art existence, its while outputting data signals is to liquid crystal capacitance, improving the influence of liquid crystal response (Liquid Crystal Response), and then make each pixel reach required brightness to display frame.
According to the present invention, a kind of display panels is proposed.Display panels comprises several pixels, several data lines, several first sweep traces and several first output signal lines.It is capable that pixel is arranged in M row N, and the non-vanishing positive integer of M and N.Each pixel comprises first switch, second switch, first electric capacity and liquid crystal capacitance.First sweep trace is used to first period, first switch of activation M row pixel in regular turn, makes that the data-signal on each data line is stored to first electric capacity through first switch of correspondence.First output signal line is used to the second switch of the second synchronously activation pixel of period, makes the stored data-signal of the electric capacity of winning export liquid crystal capacitance to through the second switch of correspondence.
According to the present invention, a kind of LCD is proposed.LCD comprises display panels, scanner driver and data driver.Display panels comprises several pixels, several data lines, several first sweep traces and several first output signal lines.It is capable that pixel is arranged in M row N, and the non-vanishing positive integer of M and N.Each pixel comprises first switch, second switch, first electric capacity and liquid crystal capacitance.First sweep trace is used to first period, first switch of activation M row pixel in regular turn, makes that the data-signal on each data line is stored to first electric capacity through first switch of correspondence.First output signal line is used to the second switch of the second synchronously activation pixel of period, makes the stored data-signal of the electric capacity of winning export liquid crystal capacitance to through the second switch of correspondence.The scanner driver and first sweep trace couple, and data driver and data line couple.
Because the present invention has adopted above technical scheme, therefore can improve the influence of liquid crystal response (LiquidCrystal Response) to display frame, and then make each pixel reach required brightness.
Description of drawings
For foregoing of the present invention can be become apparent, below especially exemplified by a preferred embodiment, and cooperate appended graphicly, elaborate.Wherein:
Fig. 1 illustrates the drive waveforms figure into traditional field sequence type LCD.
Fig. 2 illustrates the synoptic diagram into LCD.
Fig. 3 illustrates the synoptic diagram into display panels.
Fig. 4 illustrates and is the part equivalent circuit diagram according to the display panels of first embodiment of the invention.
It is the drive waveforms figure of first embodiment that Fig. 5 illustrates.
Fig. 6 illustrates and is the part equivalent circuit diagram according to the display panels of second embodiment of the invention.
It is the drive waveforms figure of second embodiment that Fig. 7 illustrates.
Fig. 8 illustrates and is the part equivalent circuit diagram according to the display panels of third embodiment of the invention.
It is the drive waveforms figure of the 3rd embodiment that Fig. 9 illustrates.
Figure 10 illustrates and is the part equivalent circuit diagram according to the display panels of fourth embodiment of the invention.
It is the drive waveforms figure of the 4th embodiment that Figure 11 illustrates.
Figure 12 illustrates and is the part equivalent circuit diagram according to the display panels of fifth embodiment of the invention.
It is the drive waveforms figure of the 5th embodiment that Figure 13 illustrates.
It is second kind of drive waveforms figure of the 5th embodiment that Figure 14 illustrates.
Figure 15 illustrates and is first kind of partial circuit layout according to the display panels of fifth embodiment of the invention.
Figure 16 illustrates and is second kind of partial circuit layout according to the display panels of fifth embodiment of the invention.
Figure 17 illustrates and is the part equivalent circuit diagram according to the display panels of sixth embodiment of the invention.
It is the drive waveforms figure of the 6th embodiment that Figure 18 illustrates.
Figure 19 illustrates the synoptic diagram for the LCD with scanning backlight module.
Figure 20 illustrates the sequential chart into the scanning backlight module.
Figure 21 illustrates the drive waveforms figure that is applied to the scanning backlight module for the embodiment of the invention.
The main element symbol description is as follows among the above figure:
20: LCD
30: scanner driver
40: data driver
50,50 (1), 50 (2), 50 (3), 50 (4), 50 (5), 50 (6): display panels
510,510 (1), 510 (2), 510 (3), 510 (4), 510 (5), 510 (6), 710: pixel
520,520 (1), 520 (2): sweep trace
530: data line
540 (1), 540 (2): output line
550,560 (1): the reset signal line
610 (1)～610 (N): lamp source region
C
S1, C
S2: electric capacity
C
LC: liquid crystal capacitance
C
ST: storage capacitors
TFT1, TFT2, TFT3, TFT4, TFT8, TFT9: switch
Embodiment
Please be simultaneously with reference to Fig. 2 and Fig. 3, Fig. 2 illustrates the synoptic diagram into LCD, and Fig. 3 illustrates the synoptic diagram into display panels.LCD 20 comprises scanner driver 30, data driver 40 and display panels 50, and display panels 50 at least also comprises several pixels 510, several sweep traces 520, several data lines 530 and several output signal lines 540 (1).It is capable that pixel 510 is aligned to M row N, and M and the non-vanishing positive integer of N.Scanner driver 30 through sweep trace 520 output scanning signals with activation M row pixel 510 in regular turn, and data driver 40 through the corresponding data-signal of data line 530 outputs to the capable pixel 510 of N.
For content of the present invention further is described in detail in detail, following will be the example explanation with first embodiment to the, six embodiment, but the present invention is not limited thereto, the persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, all can be used for a variety of modifications and variations.
First embodiment
Please refer to Fig. 4, it illustrates and is the part equivalent circuit diagram according to the display panels of first embodiment of the invention.Aforesaid display panels 50 is the display panels 50 (1) for having several pixels 510 (1) for example, and pixel 510 (1) further comprises capacitor C
S1, switching TFT 1, liquid crystal capacitance C
LC, storage capacitors C
STAnd switching TFT 2, and switching TFT 1 and switching TFT 2 for example be thin film transistor (TFT) (Thin Film Transistor, TFT).
The control end of switching TFT 1 and switching TFT 2 is coupled to corresponding scanning line 520 (1) and output signal line 540 (1) respectively, and first end of switching TFT 1 is coupled to corresponding data line 530, and second end of switching TFT 1 is coupled to capacitor C
S1And first end of switching TFT 2.Second end of switching TFT 2 is coupled to liquid crystal capacitance C
LCAnd storage capacitors C
STFirst end, and capacitor C
S1, liquid crystal capacitance C
LCAnd storage capacitors C
STSecond end in order to receive common voltage (CommonVoltage) Vcom.
Please refer to Fig. 5, it illustrates is the drive waveforms figure of first embodiment.Scanner driver 30 output scanning signal Scan1 (1)～Scan1 (N), and the sweep signal Scan1 of Fig. 4 for example be Fig. 5 sweep signal Scan1 (1)～Scan1 (N) one of them.Sweep signal Scan1 (1)～Scan1 (N) makes that respectively through the switching TFT 1 of sweep trace 520 (1) in each row pixel 510 (1) of period (Time Interval) T1 activation in regular turn the data-signal Data on the data line 530 is stored to capacitor C through the switching TFT 1 of correspondence
S1
And the output signal Gate_All_01 on the output signal line 540 (1) is in period T2 all switching TFT 2 of activation synchronously, makes capacitor C
S1Stored data-signal Data exports liquid crystal capacitance C to through the switching TFT 2 of correspondence
LCWherein, period T2 for example is a blank time (blankingtime).
Because data-signal Data synchronously exports liquid crystal capacitance C to
LC, therefore can improve the influence of liquid crystal response (Liquid Crystal Response), and then make each pixel reach required brightness display frame.
Second embodiment
Please refer to Fig. 6, it illustrates and is the part equivalent circuit diagram according to the display panels of second embodiment of the invention.Aforesaid display panels 50 is the display panels 50 (2) for having several pixels 510 (2) for example.Display panels 50 (2) and display panels 50 (1) are different be in: display panels 50 (2) and pixel 510 (2) more comprise reset signal line 550 and switching TFT 9 respectively, and switching TFT 9 for example is a thin film transistor (TFT).
First end and second end of switching TFT 9 are coupled to liquid crystal capacitance C respectively
LCFirst end and second end, and the control end of switching TFT 9 is coupled to corresponding reset signal line 550.Switching TFT 9 is controlled by the reset signal Vst on the reset signal line 550, to electrically connect liquid crystal capacitance C
LCFirst end and second end, and then replacement liquid crystal capacitance C
LCFirst end and the cross-pressure of second end.
Please refer to Fig. 7, it illustrates is the drive waveforms figure of second embodiment.Reset signal Vst on the reset signal line 550 is in period T3 all switching TFT 9 of activation synchronously, with replacement liquid crystal capacitance C
LCFirst end and the cross-pressure of second end.Wherein, period T3 is between period T1 and T2, and period T2 and T3 for example are blank time (Blanking Time).
As liquid crystal capacitance C
LCFirst end and second end after period T3 is electrically connected, liquid crystal capacitance C
LCAnd storage capacitors C
STThe data-signal of previous stored previous picture promptly is eliminated, therefore, with so reduce duration of charging of the data-signal of next picture.
The 3rd embodiment
Please refer to Fig. 8, it illustrates and is the part equivalent circuit diagram according to the display panels of third embodiment of the invention.Aforesaid display panels 50 is the display panels 50 (3) for having several pixels 510 (3) for example.Display panels 50 (3) and display panels 50 (1) are different be in: display panels 50 (3) and pixel 510 (3) also comprise signal wire 560 (1) and switching TFT 8 respectively, and switching TFT 8 for example is a thin film transistor (TFT).
First end and second end of switching TFT 8 are coupled to liquid crystal capacitance C respectively
LCFirst end and corresponding data line 530, and the control end of switching TFT 8 is coupled to corresponding reset signal line 560 (1).Switching TFT 8 is controlled by the reset signal Gate_All_Recharge_1 on the reset signal line 560 (1), to electrically connect liquid crystal capacitance C
LCFirst end and corresponding data line 530, and then replacement liquid crystal capacitance C
LCFirst end and the cross-pressure of second end.
Please refer to Fig. 9, it illustrates is the drive waveforms figure of the 3rd embodiment.Reset signal Gate_All_Recharge_1 on the reset signal line 560 (1) is in period T4 all switching TFT 8 of activation synchronously, with replacement liquid crystal capacitance C
LCFirst end and the cross-pressure of second end.Wherein, period T4 is between period T1 and T2, and period T2 and T4 for example are blank time (Blanking Time).
In period T4, the reset voltage Vreset on the data line 530 exports liquid crystal capacitance C to through the switching TFT 8 of correspondence
LC, with replacement liquid crystal capacitance C
LCFirst end and the cross-pressure of second end.
As liquid crystal capacitance C
LCFirst end and corresponding data line 530 after period T4 is electrically connected via switching TFT 8, liquid crystal capacitance C
LCAnd storage capacitors C
STThe data-signal of previous stored previous picture promptly is eliminated, therefore, with so reduce duration of charging of the data-signal of next picture.
The 4th embodiment
Please be simultaneously with reference to Figure 10 and Figure 11, Figure 10 illustrates and is the part equivalent circuit diagram according to the display panels of fourth embodiment of the invention, and Figure 11 to illustrate be the drive waveforms figure of the 4th embodiment.
Please refer to Figure 10, it illustrates and is the part equivalent circuit diagram according to the display panels of fourth embodiment of the invention.Aforesaid display panels 50 is the display panels 50 (4) for having several pixels 510 (3) for example.Display panels 50 (4) and display panels 50 (3) are different is in: reset signal line 560 (1) and is positioned at odd column or even column with it, to receive odd column reset signal Gate_All_Recharge_3 or even column reset signal Gate_All_Recharge_2.Just, the odd column pixel is controlled by the odd column reset signal Gate_All_Recharge_3 on the odd column reset signal line, and the even column pixel is controlled by the even column reset signal Gate_All_Recharge_2 on the even column reset signal line.
Please refer to Figure 11, it illustrates is the drive waveforms figure of the 4th embodiment.Reset signal Gate_All_Recharge_3 on the odd column reset signal line is in the period T5 switching TFT 8 of all odd column pixels of activation synchronously, and the reset voltage V1 on the data line 530 exports liquid crystal capacitance C to through the switching TFT 8 of correspondence
LC, with the liquid crystal capacitance C of all odd column pixels of resetting
LCFirst end and the cross-pressure of second end.Liquid crystal capacitance C when the odd column pixel
LCAfter data line 530 electric connections, promptly remove the data-signal of before stored previous picture, with replacement liquid crystal capacitance C according to reset voltage V1
LCAnd storage capacitors C
STBoth end voltage, and then reduce duration of charging of the data-signal of next picture.
And the reset signal Gate_All_Recharge_2 on the even column reset signal line is in the period T6 switching TFT 8 of all even column pixels of activation synchronously, and the reset voltage V2 on the data line 530 exports liquid crystal capacitance C to through the switching TFT 8 of correspondence
LC, with the liquid crystal capacitance C of all even column pixels of resetting
LCFirst end and the cross-pressure of second end.Liquid crystal capacitance C when the even column pixel
LCAfter data line 530 electric connections, promptly remove the data-signal of before stored previous picture, with replacement liquid crystal capacitance C according to reset voltage V2
LCAnd storage capacitors C
STBoth end voltage, and then reduce duration of charging of the data-signal of next picture.Wherein, above-mentioned period T2, period T5 and period T6 are blank time for example, and reset voltage V1 and reset voltage V2 for example determine with positive and negative picture (Frame).
The 5th embodiment
Please refer to Figure 12, it illustrates and is the part equivalent circuit diagram according to the display panels of fifth embodiment of the invention.Aforesaid display panels 50 is the display panels 50 (5) for having several pixels 510 (5) for example.Display panels 50 (5) and display panels 50 (1) are different be in: display panels 50 (5) also comprises sweep trace 520 (2) and output signal line 540 (2), and pixel 510 (5) also comprises capacitor C
S2, switching TFT 3 and TFT4, and switching TFT 3 and TFT4 for example are thin film transistor (TFT).In addition, because capacitor C
S1And capacitor C
S2Can play the part of storage capacitors C
STThe role, so can omit storage capacitors C in the pixel 510 (5)
ST, to increase aperture opening ratio.
The control end of switching TFT 3 and switching TFT 4 is coupled to corresponding scanning line 520 (2) and output signal line 540 (2) respectively, and first end of switching TFT 3 is coupled to corresponding data line 530, and second end of switching TFT 3 is coupled to capacitor C
S2And first end of switching TFT 4.Second end of switching TFT 4 is coupled to liquid crystal capacitance C
LCFirst end, and capacitor C
S1, capacitor C
S2And liquid crystal capacitance C
LCSecond end in order to receive common voltage Vcom.
Please refer to Figure 13, it illustrates is the drive waveforms figure of the 5th embodiment.Scanner driver 30 is output scanning signal Scan2 (1)～Scan2 (N) more, and the sweep signal Scan2 of Figure 12 for example be Figure 13 sweep signal Scan1 (1)～Scan1 (N) one of them.Sweep signal Scan2 (1)～Scan2 (N) makes that respectively through the switching TFT 3 of sweep trace 520 (2) in each row pixel 510 (5) of period T2 activation in regular turn the data-signal Data on the data line 530 is stored to capacitor C through the switching TFT 3 of correspondence
S2
And the output signal Gate_All_02 on the output signal line 540 (2) is in period T1 all switching TFT 4 of activation synchronously, makes capacitor C
S2Stored data-signal Data exports liquid crystal capacitance C to through the switching TFT 4 of correspondence
LCWherein, period T2 for example is a blank time.
Because switching TFT 2 and TFT4 alternately are switched on, so, capacitor C
S1And capacitor C
S2Stored data-signal is passed to liquid crystal capacitance C with alternately
LCThus, each demonstration time, do not need to divide into again picture element scan section and data presentation section, can promote optical efficiency effectively.Moreover, because capacitor C
S1And capacitor C
S2Can be in order to the data-signal Data on the storage data line 530, therefore, pixel 510 (5) does not need to design extraly storage capacitors, will improve the aperture opening ratio of display panels.
Please refer to Figure 14, it illustrates is second kind of drive waveforms figure of the 5th embodiment.The drive waveforms difference of Figure 14 and Figure 13 is: the sweep signal Scan1 (1) on the sweep trace 520 (1)～Scan1 (N) more in period T2 inter-sync ground activation switching TFT 1, makes that the reset voltage on the data line 530 exports capacitor C to through the switching TFT 1 of correspondence
S1, with the replacement capacitor C
S1First end and the cross-pressure of second end.And the sweep signal Scan2 (1) on the sweep trace 520 (2)～Scan2 (N) makes that more in period T1 inter-sync ground activation switching TFT 3 reset voltage on the data line 530 exports capacitor C to through the switching TFT 3 of correspondence
S2, with the replacement capacitor C
S2First end and the cross-pressure of second end.Wherein, the reset voltage on the data line 530 for example is common voltage Vcom.
Please be simultaneously with reference to Figure 15 and Figure 16, Figure 15 illustrates and is first kind of partial circuit layout according to the display panels of fifth embodiment of the invention, and Figure 16 illustrates and is second kind of partial circuit layout according to the display panels of fifth embodiment of the invention.In Figure 15, capacitor C
S1Be arranged between sweep trace 520 (1) and the output signal line 540 (1), and capacitor C
S2Be arranged between sweep trace 520 (2) and the output signal line 540 (2).Pixel electrode ITO is arranged between output signal line 540 (1) output signal lines 540 (2).And in Figure 16, capacitor C
S1, capacitor C
S2And pixel electrode ITO all is arranged between output signal line 540 (1) and the output signal line 540 (2).
The 6th embodiment
Please be simultaneously with reference to Figure 17 and Figure 18, Figure 17 illustrates and is the part equivalent circuit diagram according to the display panels of sixth embodiment of the invention, and Figure 18 to illustrate be the drive waveforms figure of the 6th embodiment.
Please refer to Figure 17, it illustrates and is the part equivalent circuit diagram according to the display panels of sixth embodiment of the invention.Aforesaid display panels 50 is the display panels 50 (6) for having pixel 510 (6) for example.Display panels 50 (6) is with display panels 50 (5) differences: display panels 50 (6) more comprises bias line 570 (1) and 570 (2), and the capacitor C of odd-numbered line pixel
S1And C
S2Second end be coupled to bias line 570 (1), and the capacitor C of even number line pixel
S1And C
S2Second end be coupled to bias line 570 (2).The capacitor C of odd-numbered line pixel
S1And C
S2Second termination receive bias voltage Vc1 on the bias line 570 (1), and the capacitor C of even number line pixel
S1And C
S2Second termination receive bias voltage Vc2 on the bias line 570 (2).
Please refer to Figure 18, it illustrates is the drive waveforms figure of the 6th embodiment.Bias voltage Vc1 and Vc2 are dragged down respectively at period T2 and T1, to increase capacitor C
S1And C
S2First end and the cross-pressure of second end, and then improve capacitor C
S1And C
S2Amounts of stored charge.
In addition, the disclosed embodiment of the present invention can cooperate scanning backlight module operation (scan backlight) simultaneously, can effectively improve the animation quality, to reach best display effect.Please refer to Figure 19, it illustrates the synoptic diagram for the LCD with scanning backlight module.The pixel 710 of LCD for example is the disclosed various enforcement aspects of previous embodiment.And the scanning backlight module is divided into N lamp source region 610 (1)～610 (N) with the lamp source region, and each lamp source region corresponds to a plurality of pixels 710.The scanning backlight module also is taken up in order of priority in a display frame time and is opened and closed each lamp source region 610 (1)～610 (N).Please refer to Figure 20, it illustrates the sequential chart into the scanning backlight module.The operating cycle of each lamp source region, signal BLU_01 and signal BLU_02 be respectively in order to controlling the open and close of different lamp source regions as shown in figure 20, and the operation in each area lights source can be closed 50% image time for opening 50% image time; Perhaps open 33% image time, close 67% image time.
Cooperate the disclosed embodiment of the present invention, cooperate lamp source region number and be set with equal Gate_All signal number, so can synchronously output signal to the liquid crystal capacitance of each lamp source region correspondence, reach subregional shows signal and the synchronous operation of lamp source.Please refer to Figure 21, it illustrates the drive waveforms figure that is applied to the scanning backlight module for the embodiment of the invention.With two lamp source regions is example, and the Gate_All_01 of two correspondences and Gate_All_02 signal are then arranged, and the switch in the described zone of activation is outputing signal to liquid crystal capacitance synchronously respectively, and two lamp source regions are respectively with signal BLU_01 and signal BLU_02 unlatching.In addition, the present invention's light source of cooperating the scanning backlight module to improve to cause because of the different scanning order is opened the phase delay phenomenon (phase delay) with display signal.
Disclosed display panels of the above embodiment of the present invention and LCD thereof, synchronously outputting data signals is to liquid crystal capacitance, therefore can improve the influence of liquid crystal response (Liquid CrystalResponse), and then make each pixel reach required brightness display frame.
In sum, though the present invention discloses as above with a preferred embodiment, it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention without departing from the spirit and scope of the present invention, can be used for a variety of modifications and variations.Therefore, protection scope of the present invention is with being as the criterion that claims scope is defined.
Claims (24)
1. a display panels is characterized in that, comprising:
Several pixels, it is capable to be arranged in M row N, and M and N are non-vanishing positive integer, and each pixel comprises:
One first switch;
One second switch;
One first electric capacity; And
One liquid crystal capacitance;
Several data lines;
Several first sweep traces are used to described first switch of the described M row of one first period activation in regular turn pixel, make that the data-signal on each data line is stored to described first electric capacity through described first switch of correspondence; And
Several first output signal lines are used to the one second period described second switch of described each pixel of activation synchronously, make the stored data-signal of described first electric capacity export described liquid crystal capacitance to through the described second switch of correspondence.
2. display panels as claimed in claim 1, it is characterized in that, the control end of described first switch be coupled to corresponding described each first sweep trace one of them, the control end of described second switch be coupled to corresponding described each first output signal line one of them, first end of described first switch be coupled to corresponding described each data line one of them, second end of described first switch is coupled to first end of described first electric capacity and described second switch, second end of described second switch is coupled to first end of described liquid crystal capacitance, and second end of described liquid crystal capacitance is in order to receive a common voltage.
3. display panels as claimed in claim 1, it is characterized in that, also comprise several reset signal lines, and each described pixel also comprises one the 3rd switch, first end of described the 3rd switch and second end are coupled to first end and second end of described liquid crystal capacitance respectively, and the control end of described the 3rd switch be coupled to corresponding described each reset signal line one of them.
4. display panels as claimed in claim 3, it is characterized in that, described each reset signal line is used to one the 3rd period described the 3rd switch of described each pixel of activation synchronously, with first end of the described liquid crystal capacitance of resetting and the cross-pressure of second end, between described the 3rd period in described first period and described second period.
5. display panels as claimed in claim 1, it is characterized in that, also comprise several reset signal lines, and each described pixel also comprises one the 3rd switch, first end of described the 3rd switch and second end be coupled to respectively first end of described liquid crystal capacitance and corresponding described each data line one of them, and the control end of described the 3rd switch be coupled to corresponding described each reset signal line one of them.
6. display panels as claimed in claim 5, it is characterized in that, described each reset signal line is used to one the 3rd period described the 3rd switch of described each pixel of activation synchronously, make the reset voltage on described each data line export the described liquid crystal capacitance of described each pixel respectively to, with first end of the described liquid crystal capacitance of resetting and the cross-pressure of second end, between described the 3rd period in described first period and described second period.
7. display panels as claimed in claim 5, it is characterized in that, described each pixel comprises ordered series of numbers odd column pixel and ordered series of numbers even column pixel, and described each reset signal line comprises several odd column reset signal lines and several even column reset signal lines, described each odd column reset signal line is used to one the 3rd period described the 3rd switch of described each the odd column pixel of activation synchronously, make first reset voltage on described each data line export the described liquid crystal capacitance of described each odd column pixel respectively to, with first end of the described liquid crystal capacitance of described each the odd column pixel of resetting and the cross-pressure of second end, described each even column reset signal line is used to one the 4th period described the 3rd switch of described each the even column pixel of activation synchronously, make second reset voltage on described each data line export the described liquid crystal capacitance of described each even column pixel respectively to, with first end of the described liquid crystal capacitance of described each the even column pixel of resetting and the cross-pressure of second end.
8. display panels as claimed in claim 1 is characterized in that, described each pixel comprises one the 3rd switch, one the 4th switch and one second electric capacity, and described display panels also comprises:
Several second sweep traces are used to described the 3rd switch of the described M row of activation in regular turn of described second period pixel, make that the data-signal on each data line is stored to described second electric capacity through described the 3rd switch of correspondence; And
Several second output signal lines are used to described the 4th switch of described each pixel of synchronous activation of described first period, make the stored data-signal of described second electric capacity export described liquid crystal capacitance to through described the 4th switch of correspondence.
9. display panels as claimed in claim 8, it is characterized in that, described each first sweep trace is also in described first switch of described each pixel of described second period inter-sync ground activation, make the reset voltage on described each bar data line export described first electric capacity of described each pixel respectively to, with first end of described first electric capacity of resetting and the cross-pressure of second end.
10. display panels as claimed in claim 9, it is characterized in that, described each second sweep trace is also in described the 3rd switch of described each pixel of described first period inter-sync ground activation, make first reset voltage on described each data line export described second electric capacity of described each pixel respectively to, with first end of described second electric capacity of resetting and the cross-pressure of second end.
11. display panels as claimed in claim 8 is characterized in that, also comprises:
Several first bias lines, in order to first end that changes described first electric capacity and the cross-pressure of second end, and second end of described first electric capacity be coupled to corresponding described each bias line one of them; And
Several second bias lines, in order to first end that changes described second electric capacity and the cross-pressure of second end, and second end of described second electric capacity be coupled to corresponding described each bias line one of them.
12. a LCD is characterized in that, comprising:
One display panels comprises
Several pixels, it is capable to be arranged in M row N, the positive integer that M and N are non-vanishing, each pixel comprises:
One first switch;
One second switch;
One first electric capacity; And
One liquid crystal capacitance;
Several data lines;
Several first sweep traces are used to described first switch of the described M row of one first period activation in regular turn pixel, make that the data-signal on each data line is stored to described first electric capacity through described first switch of correspondence; And
Several first output signal lines are used to the one second period described second switch of described each pixel of activation synchronously, make the stored data-signal of described first electric capacity export described liquid crystal capacitance to through the described second switch of correspondence;
One data driver couples with described each data line; And
The one scan driver couples with described each first sweep trace.
13. LCD as claimed in claim 12, it is characterized in that, the control end of described first switch be coupled to corresponding described each first sweep trace one of them, the control end of described second switch be coupled to corresponding described each first output signal line one of them, first end of described first switch be coupled to corresponding described each data line one of them, second end of described first switch is coupled to first end of described first electric capacity and described second switch, second end of described second switch is coupled to first end of described liquid crystal capacitance, and second end of described liquid crystal capacitance is in order to receive a common voltage.
14. LCD as claimed in claim 13 is characterized in that, described each pixel also comprises:
One storage capacitors, first end of described storage capacitors and second end are coupled to first end and second end of described liquid crystal capacitance respectively.
15. LCD as claimed in claim 12, it is characterized in that, also comprise several reset signal lines, and each described pixel also comprises one the 3rd switch, first end of described the 3rd switch and second end are coupled to first end and second end of described liquid crystal capacitance respectively, and the control end of described the 3rd switch be coupled to corresponding described each reset signal line one of them.
16. LCD as claimed in claim 15, it is characterized in that, described each reset signal line is used to one the 3rd period described the 3rd switch of described each pixel of activation synchronously, with first end of the described liquid crystal capacitance of resetting and the cross-pressure of second end, between described the 3rd period in described first period and described second period.
17. LCD as claimed in claim 12, it is characterized in that, also comprise several reset signal lines, and each described pixel also comprises one the 3rd switch, first end of described the 3rd switch and second end be coupled to respectively first end of described liquid crystal capacitance and corresponding described each data line one of them, and the control end of described the 3rd switch be coupled to corresponding described each reset signal line one of them.
18. LCD as claimed in claim 17, it is characterized in that, described each reset signal line is used to one the 3rd period described the 3rd switch of described each pixel of activation synchronously, make the reset voltage on described each data line export the described liquid crystal capacitance of described each pixel respectively to, with first end of the described liquid crystal capacitance of resetting and the cross-pressure of second end, between described the 3rd period in described first period and described second period.
19. LCD as claimed in claim 17, it is characterized in that, described each pixel comprises ordered series of numbers odd column pixel and ordered series of numbers even column pixel, and described each reset signal line comprises several odd column reset signal lines and several even column reset signal lines, described each odd column reset signal line is used to one the 3rd period described the 3rd switch of described each the odd column pixel of activation synchronously, make first reset voltage on described each data line export the described liquid crystal capacitance of described each odd column pixel respectively to, with first end of the described liquid crystal capacitance of described each the odd column pixel of resetting and the cross-pressure of second end, described each even column reset signal line is used to one the 4th period described the 3rd switch of described each the even column pixel of activation synchronously, make second reset voltage on described each data line export the described liquid crystal capacitance of described each even column pixel respectively to, with first end of the described liquid crystal capacitance of described each the even column pixel of resetting and the cross-pressure of second end.
20. LCD as claimed in claim 12 is characterized in that, each pixel comprises one the 3rd switch, one the 4th switch and one second electric capacity, and described display panels also comprises:
Several second sweep traces are used to described the 3rd switch of the described M row of activation in regular turn of described second period pixel, make that the data-signal on each data line is stored to described second electric capacity through described the 3rd switch of correspondence; And
Several second output signal lines are used to described the 4th switch of described each pixel of synchronous activation of described first period, make the stored data-signal of described second electric capacity export described liquid crystal capacitance to through described the 4th switch of correspondence.
21. LCD as claimed in claim 20, it is characterized in that, described each second sweep trace is also in described first switch of described each pixel of described second period inter-sync ground activation, make the reset voltage on described each data line export described first electric capacity of described each pixel respectively to, with first end of described first electric capacity of resetting and the cross-pressure of second end.
22. LCD as claimed in claim 21, it is characterized in that, described each second sweep trace is more in described the 3rd switch of described each pixel of described first period inter-sync ground activation, make first reset voltage on described each data line export described second electric capacity of described each pixel respectively to, with first end of described second electric capacity of resetting and the cross-pressure of second end.
23. LCD as claimed in claim 20 is characterized in that, also comprises:
Several first bias lines, in order to first end that changes described first electric capacity and the cross-pressure of second end, and second end of described first electric capacity be coupled to corresponding described each bias line one of them; And
Several second bias lines, in order to first end that changes described second electric capacity and the cross-pressure of second end, and second end of described second electric capacity be coupled to corresponding described each bias line one of them.
24. LCD as claimed in claim 12 is characterized in that, also comprises one scan formula module backlight.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978940A (en) * | 2015-06-03 | 2015-10-14 | 友达光电股份有限公司 | Pixel circuit |
| CN106782400A (en) * | 2017-01-17 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of image element circuit and its driving method, display device and its driving method |
| CN109755258A (en) * | 2017-11-08 | 2019-05-14 | 元太科技工业股份有限公司 | Pixel array substrate and display device |
| CN110928086A (en) * | 2019-11-29 | 2020-03-27 | 上海中航光电子有限公司 | Display panel and driving method thereof, and display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6181311B1 (en) * | 1996-02-23 | 2001-01-30 | Canon Kabushiki Kaisha | Liquid crystal color display apparatus and driving method thereof |
| CN1601596A (en) * | 2003-09-25 | 2005-03-30 | 三星电子株式会社 | Scanning driver, display device having same and driving method thereof |
| US20050146490A1 (en) * | 2004-01-05 | 2005-07-07 | Kang Won S. | Display device drive methods and systems and display devices incorporating same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001305511A (en) * | 2000-04-26 | 2001-10-31 | Mitsubishi Electric Corp | Liquid crystal display device and mobile phone |
| JP4369710B2 (en) * | 2003-09-02 | 2009-11-25 | 株式会社 日立ディスプレイズ | Display device |
| CN100573281C (en) * | 2004-04-26 | 2009-12-23 | 统宝光电股份有限公司 | Pixel structure with multiple storage capacitors and display panel |
-
2007
- 2007-12-06 CN CN 200710196500 patent/CN101452168B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6181311B1 (en) * | 1996-02-23 | 2001-01-30 | Canon Kabushiki Kaisha | Liquid crystal color display apparatus and driving method thereof |
| CN1601596A (en) * | 2003-09-25 | 2005-03-30 | 三星电子株式会社 | Scanning driver, display device having same and driving method thereof |
| US20050146490A1 (en) * | 2004-01-05 | 2005-07-07 | Kang Won S. | Display device drive methods and systems and display devices incorporating same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978940A (en) * | 2015-06-03 | 2015-10-14 | 友达光电股份有限公司 | Pixel circuit |
| CN106782400A (en) * | 2017-01-17 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of image element circuit and its driving method, display device and its driving method |
| US10453421B2 (en) | 2017-01-17 | 2019-10-22 | Boe Technology Group Co., Ltd. | Pixel circuits and methods for driving the same and display apparatuses and methods for driving the same |
| CN109755258A (en) * | 2017-11-08 | 2019-05-14 | 元太科技工业股份有限公司 | Pixel array substrate and display device |
| CN109755258B (en) * | 2017-11-08 | 2021-02-19 | 元太科技工业股份有限公司 | Pixel array substrate and display device |
| CN110928086A (en) * | 2019-11-29 | 2020-03-27 | 上海中航光电子有限公司 | Display panel and driving method thereof, and display device |
| CN110928086B (en) * | 2019-11-29 | 2022-05-17 | 上海中航光电子有限公司 | Display panel and driving method thereof, and display device |
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| CN101452168B (en) | 2013-09-11 |
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