CN103048817A - Drive method for blue phase liquid crystal display device - Google Patents
Drive method for blue phase liquid crystal display device Download PDFInfo
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- CN103048817A CN103048817A CN2011103053651A CN201110305365A CN103048817A CN 103048817 A CN103048817 A CN 103048817A CN 2011103053651 A CN2011103053651 A CN 2011103053651A CN 201110305365 A CN201110305365 A CN 201110305365A CN 103048817 A CN103048817 A CN 103048817A
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Abstract
A drive method for a blue phase liquid crystal display device matches with a blue phase liquid crystal display device. The liquid crystal display device comprises at least a data line, at least a scanning line and at least a pixel. The drive method for the blue phase liquid crystal display device comprises the following steps of transmitting first grave scale voltage to the pixel through the data line; transmitting first recovery voltage to the pixel through the data line; transmitting a first insertion black voltage to the pixel through the data line and the absolute value of the first recovery voltage is higher than that of the first grove scale voltage and the first insertion black voltage. The drive method for the blue phase liquid crystal display device has the advantages of solving the problems of dark state light leak of the blue phase liquid crystal display device.
Description
Technical field
The present invention relates to a kind of display-apparatus driving method, relate in particular to the driving method of a kind of blue phase (blue phase) liquid crystal indicator.
Background technology
Blue phase liquid crystal is a kind of three-dimensional photon crystal structure of self aggregation, and what this liquid crystal phase occurred is waiting between phase (isotropic phase) and the cholesterol phase (cholesteric phase).In addition, blue phase liquid crystal has the space lattice characteristic of self assembly, the person's character of but possessing fluid, and its lattice parameter is easy to change, can have different photoelectric characteristics, is excellent adjustable photon crystal, therefore can be applicable to 3 d display device.Wherein, blue phase liquid crystal display device has high speed reaction time and wide viewing angle compared to traditional lcd technology, and need not the advantage such as alignment film, therefore is subject in recent years extensive attention and the research of industry.Yet the electro-optical characteristic of the blue phase liquid crystal that different crystal turns under electric field is different, and blue phase liquid crystal has hysteresis phenomenon (Hysteresis), thereby causes blue phase liquid crystal display device that the problems such as image retention (ImageRetention, IR) are arranged.
In the correlative study of liquid crystal indicator, the hysteresis phenomenon of blue phase liquid crystal display device is still sizable problem on optical appearance at present.Although, traditional dark attitude black insertion technology can improve the sluggish problem of blue phase liquid crystal, and then can improve display device to penetrance when, but dark attitude light leak (the dark-state light leakage) aspect for blue phase liquid crystal display device, traditional dark attitude black insertion technology still can't effectively improve, and the dark attitude penetrance that causes blue phase liquid crystal display device is unstable and have a strong impact on its contrast.
Therefore, how to provide a kind of driving method, can improve the dark attitude light leak of blue phase liquid crystal display device, real is one of current important topic.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of driving method that improves the dark attitude light leak of blue phase liquid crystal display device.
For reaching above-mentioned purpose, according to a kind of blue phase liquid crystal display device driving method of the present invention, cooperate with a blue phase liquid crystal display device, blue phase liquid crystal display device has at least one data line, at least one sweep trace and at least one pixel, and driving method may further comprise the steps: transmit one first gray scale voltage to this pixel by this data line; Transmit one first recovery voltage to this pixel by this data line; And to this pixel, wherein the absolute value of the first recovery voltage is higher than the absolute value of the first gray scale voltage and the first black plug voltage to transmit one first black plug voltage (black frame insertion voltage) by this data line.
In one embodiment, transmit when then transmitting the first recovery voltage behind the first gray scale voltage, the first gray scale voltage is opposite with the polarity of the first recovery voltage.
In one embodiment, in a frame time, sequentially transmit the first gray scale voltage, the first recovery voltage and the first black plug voltage.
In one embodiment, in a frame time, transmit the first gray scale voltage to this pixel and transmit the first recovery voltage to the working time ratio of this pixel between 1: 1～1: 0.025.
In one embodiment, in a frame time, transmit the first recovery voltage to this pixel and transmit the first black plug voltage to the working time ratio of this pixel between 1: 1～1: 0.025.
In one embodiment, driving method also comprises by this data line and transmits one second gray scale voltage to this pixel.
In one embodiment, driving method also comprises by this data line and transmits one second gray scale voltage and one second recovery voltage to this pixel.
In one embodiment, driving method also comprises by this data line and transmits one second gray scale voltage and one second black plug voltage to this pixel.
In one embodiment, driving method also comprises by this data line and transmits one second gray scale voltage, one second recovery voltage and one second black plug voltage to this pixel.
In one embodiment, the first gray scale voltage is opposite with the polarity of the second gray scale voltage.
In one embodiment, the first recovery voltage is opposite with the polarity of the second recovery voltage.
In one embodiment, the first black plug voltage is opposite with the polarity of the second black plug voltage.
In one embodiment, in two frame times, sequentially transmit the first gray scale voltage, the second gray scale voltage, the first recovery voltage, the second recovery voltage, the first black plug voltage and the second black plug voltage.
In one embodiment, in two frame times, sequentially transmit the first gray scale voltage, the second gray scale voltage, the first recovery voltage, the first black plug voltage and the second black plug voltage.
In one embodiment, in two follow-up frame times, sequentially transmit the first gray scale voltage, the second gray scale voltage, the second recovery voltage, the first black plug voltage and the second black plug voltage.
In one embodiment, in two frame times, sequentially transmit the first gray scale voltage, the second gray scale voltage, the first recovery voltage and the first black plug voltage.
In one embodiment, in two follow-up frame times, sequentially transmit the first gray scale voltage, the second gray scale voltage, the second recovery voltage and the second black plug voltage.
In one embodiment, the first recovery voltage or the second recovery voltage are between 15 volts to 60 volts.
In one embodiment, the absolute value of the first recovery voltage is between between 1.2 times to 4 times of the absolute value of the first gray scale voltage and the first black plug voltage.
From the above, because of according to blue phase liquid crystal display device driving method of the present invention by data line transmit the first gray scale voltage to pixel, transmit the first recovery voltage by data line and transmit the first black plug voltage to pixel to pixel and by data line, wherein the absolute value of the first recovery voltage is higher than the absolute value of the first gray scale voltage and the first black plug voltage.By this, can after transmitting the first gray scale voltage, transmit again the first higher recovery voltage, make blue phase liquid crystal have higher restoring force, to return to the iso ball attitude of optics, not only can improve the dark attitude light leak of blue phase liquid crystal display device, also can improve the stability of its dark attitude penetrance.
Description of drawings
Figure 1A is a kind of synoptic diagram of blue phase liquid crystal display device;
Figure 1B is the side view of the blue-phase liquid crystal display panel of Figure 1A;
Fig. 2 is the flow chart of steps of blue phase liquid crystal display device driving method of the present invention;
Fig. 3 A is the sequential synoptic diagram that driving method of the present invention drives blue phase liquid crystal display device;
Fig. 3 B to Fig. 3 D is another sequential synoptic diagram that driving method of the present invention drives blue phase liquid crystal display device; And
Fig. 4 is for using driving method of the present invention to drive the synoptic diagram of the dark attitude penetrance of blue phase liquid crystal display device.
[main element symbol description]
1: blue phase liquid crystal display device
2: blue-phase liquid crystal display panel
21: first substrate
22: second substrate
221: pixel electrode
222: electrode layer
223: transparent substrates
224: insulation course
23: blue phase liquid crystal layer
241,242: Polarizer
3: data drive circuit
4: scan drive circuit
B1: the first black plug voltage
B2: the second black plug voltage
D
11～D
1m: data line
G1: the first gray scale voltage
G2: the second gray scale voltage
P01～P03: step
S
11～S
1n: sweep trace
T: frame time
V1: the first recovery voltage
V2: the second recovery voltage
Embodiment
Hereinafter with reference to relevant drawings, a kind of blue phase liquid crystal display device driving method according to the preferred embodiment of the present invention is described, wherein identical element will be illustrated with identical reference marks.
Please refer to Figure 1A, Figure 1B and shown in Figure 2, wherein, Figure 1A is a kind of synoptic diagram of blue phase liquid crystal display device 1, and Figure 1B is the side view of the blue-phase liquid crystal display panel 2 of Figure 1A, and Fig. 2 is the flow chart of steps of blue phase liquid crystal display device driving method of the present invention.
Blue phase liquid crystal display device driving method and a blue phase liquid crystal display device 1 fit applications.Shown in Figure 1A, blue phase liquid crystal display device 1 has a blue-phase liquid crystal display panel 2, a data drive circuit 3, scan driving circuit 4, at least one data line, at least one sweep trace and at least one pixel.In the present embodiment, blue phase liquid crystal display device 1 is to have plural pixel (Fig. 1 does not show), plural sweep trace S
11～S
1nAnd complex data line D
11～D
1mBe example.Wherein, described data line D
11～D
1mAnd described sweep trace S
11～S
1nBeing staggered arranges to form described pel array.In addition, blue-phase liquid crystal display panel 2 is by described data line D
11～D
1mBe electrically connected with data drive circuit 3, and described sweep trace S
11～S
1nThen be electrically connected with scan drive circuit 4.
In addition, as shown in Figure 1B, in the present embodiment, blue-phase liquid crystal display panel 2 switches (fringe field switching with an edge electric field, FFS) the formula display panels is example, and certainly, the present invention also can be applicable to a plane and switches (in-plane switch, IPS) formula display panels, or the display panels of other horizontal drive formulas.At this, do not limited.
Blue-phase liquid crystal display panel 2 has a first substrate 21, a second substrate 22 and a blue phase liquid crystal layer 23 (the blue phase liquid crystal molecule is not drawn).Wherein, first substrate 21 is a colored optical filtering substrates, and second substrate 22 is an active-matrix substrate, for example is thin film transistor base plate, and relative with first substrate 21 and establish.In addition, blue phase liquid crystal layer 23 is located between first substrate 21 and the second substrate 22.Blue phase liquid crystal layer 23 comprises liquid crystal material, a macromolecular material and revolving a property agent that can have blue phase.Wherein, after being monomer material (monomer) irradiating ultraviolet light with the tool light reaction, make the monomer material polyreaction become macromolecular material (polymer), with the structure of stable blue phase liquid crystal and improve the temperature range that blue phase liquid crystal exists, and then enlarge the exercisable temperature range of blue phase liquid crystal.And macromolecular material for example can comprise acrylate (acrylate), methyl methacrylate (methacrylate) or epoxy resin (epoxy), or its combination.At this, do not limited its material.
In addition, blue-phase liquid crystal display panel 2 also can comprise respectively two Polarizers 241,242.Polarizer 241,242 is arranged at respectively the outside of first substrate 21 and second substrate 22.As shown in Figure 1B, Polarizer 241 is arranged at the upside of first substrate 21, and Polarizer 242 is arranged at the downside of second substrate 22.Differ in fact 90 Polarizers 241,242 of spending by two polarizing axis, can reach the function that backlight is covered, the power of recycling control electric field can produce deflection with the characteristic of modulation light to liquid crystal, reaches to allow display panel show image.
Please be simultaneously with reference to Figure 1A and shown in Figure 2, blue phase liquid crystal display device driving method of the present invention may further comprise the steps: transmit one first gray scale voltage to pixel (P01) by data line; Transmit one first recovery voltage to pixel (P02) by data line; And transmit one first black plug voltage to pixel by data line, wherein the absolute value of the first recovery voltage is higher than the absolute value (P03) of the first gray scale voltage and the first black plug voltage.
Below please refer to relevant indicators, to further specify driving method of the present invention.
Please be simultaneously with reference to shown in Fig. 2 and Fig. 3 A, wherein, Fig. 3 A is the sequential synoptic diagram that driving method of the present invention drives blue phase liquid crystal display device 1.
In step P01, transmit the first gray scale voltage G1 to pixel by data line.At this, sequentially transmit Continuity signal by scan drive circuit 4, with the described sweep trace S of sequentially conducting
11～S
1n, cooperate simultaneously data drive circuit 3, by described data line D
11～D
1mThe first gray scale voltage G1 is sent to described pixel, makes blue phase liquid crystal display device 1 displayable image picture.At this, the polarity of the first gray scale voltage G1 is for just.Should be noted that the first gray scale voltage G1 represents in a frame time among Fig. 3 A, all gray scale voltages that data drive circuit 3 transmits.In other words, the first gray scale voltage G1 is all sweep trace S of sequentially conducting of scan drive circuit 4
11～S
1nThe time, the data voltage that data drive circuit 3 transmits.
In step P02, transmit the first recovery voltage V1 to pixel by data line.At this, by the described sweep trace S of while conducting
11～S
1n, so that the first recovery voltage V1 is sent to all pixels simultaneously, and the polarity of the first recovery voltage is for negative.Wherein, the first recovery voltage V1 can make the picture of blue phase liquid crystal display device 1 display white.
In step P03, transmit the first black plug voltage B1 to pixel by data line.At this, by the described sweep trace S of while conducting
11～S
1n, so that the first black plug voltage B1 is sent to all pixels simultaneously.Wherein, the first black plug voltage B1 is traditional black insertion technology, can make the picture of blue phase liquid crystal display device 1 demonstration black, can improve the hysteresis phenomenon of blue phase liquid crystal, and its voltage can be in fact zero or other predetermined magnitudes of voltage.
The absolute value of the first recovery voltage V1 is higher than the absolute value of the first gray scale voltage G1 and the first black plug voltage B1, and the absolute value of the first recovery voltage V1 is preferably between between 1.2 times to 4 times of the absolute value of the first gray scale voltage G1 and the first black plug voltage B1.In other words, the first recovery voltage V1 has higher voltage strength.Wherein, drive characteristic difference because of multi-form blue phase liquid crystal display device 1, so the first recovery voltage V1 can be between 15 volts to 60 volts, and the first different recovery voltage V1 of characteristics design of the different blue phase liquid crystal display device 1 of user Ke Yi, and absolute value that the absolute value of the first recovery voltage V1 is higher than the first gray scale voltage G1 and the first black plug voltage B1 is preferably got final product between between 1.2 times to 4 times of the absolute value of the first gray scale voltage G1 and the first black plug voltage B1.Wherein, the first recovery voltage V1 can make the picture of blue phase liquid crystal display device 1 display white, and can eliminate or improve the dark attitude light leak of the blue phase liquid crystal of blue phase liquid crystal display device 1.
The possible cause that the first recovery voltage V1 could eliminate or improve the dark attitude light leak of blue phase liquid crystal is, because the hysteresis phenomenon of blue phase liquid crystal causes display frame can't return to dark attitude, so, in the constant situation of the crystalline network of blue phase liquid crystal, the iso lattice ball elongation of script optics can be the oval ball of tool birefraction by applying higher driving voltage (the first recovery voltage V1), again because by the constraint of macromolecular material, so after driving voltage discharges, but oval its elastic restoring force of ball mat is got back to the ball that is fettered by macromolecule.That is to say, driving along with higher the first recovery voltage V1, oval ball can have larger elastic restoring force, so after the first recovery voltage V1 drives end, the easier iso ball of optics of getting back to the macromolecule constraint of oval ball, so can allow traditional black plug picture of continuing (dark attitude) more black, and then eliminate or improve the dark attitude light leak of blue phase liquid crystal.In addition, under the first higher recovery voltage V1 drives, may destroy the crystalline network of blue phase liquid crystal and make it present nematic (nematic) liquid crystal phase, so after the first recovery voltage V1 drives end, crystalline network is got back to immediately the iso ball state of optics of macromolecule constraint and is not had hysteresis phenomenon, so can eliminate or improve the dark attitude light leak of blue phase liquid crystal.
As shown in Figure 3A, in the present embodiment, in a frame time T, sequentially transmit the first gray scale voltage G1, the first recovery voltage V1 and the first black plug voltage B1, and when transmitting the first gray scale voltage G1 and then transmitting the first recovery voltage V1, the first gray scale voltage G1 is opposite with the polarity of the first recovery voltage V1.Wherein, the purpose that namely transmits opposite polarity the first recovery voltage V1 after the first gray scale voltage G1 has transmitted is the reversal for electric field, avoids liquid crystal molecule polarized and can't rotate in response to the variation of electric field again.
In addition, in a frame time T, transmit the first gray scale voltage G1 to pixel and transmit the first recovery voltage V1 to the working time ratio of pixel can be between 1: 1～1: 0.025.And in a frame time T, transmitting the first recovery voltage V1 to pixel and transmitting that the first black plug voltage B1 can be situated between to the working time ratio of pixel is between 1: 1～1: 0.025.The blue phase liquid crystal display device 1 that user Ke Yi is different arranges the working time ratio of the first different gray scale voltage G1, the first recovery voltage V1 and the first black plug voltage B1, is not limited at this.
Please refer to shown in Fig. 3 B, it is another sequential synoptic diagram that driving method of the present invention drives blue phase liquid crystal display device 1.
Main different being of Fig. 3 B and Fig. 3 A, the driving method of Fig. 3 B also can comprise: by data line transmit one second gray scale voltage G2 to pixel, by data line transmit one second recovery voltage V2 to pixel, and transmit one second black plug voltage B2 to pixel by data line.Wherein, the absolute value of the second recovery voltage V2 is higher than the absolute value of the second gray scale voltage G2 and the second black plug voltage B2, and the absolute value of the second recovery voltage V2 is preferably between between 1.2 times to 4 times of the absolute value of the second gray scale voltage G2 and the second black plug voltage B2.In addition, the first recovery voltage V1 and the absolute value of the second recovery voltage V2 can be and equate or unequal.At this, to equate as example.In addition, the second black plug voltage B1 also is traditional black insertion technology, and voltage can be in fact zero.
In the present embodiment, in two continuous frame time T, sequentially transmit the first gray scale voltage G1, the second gray scale voltage G2, the first recovery voltage V1, the second recovery voltage V2, the first black plug voltage B1 and the second black plug voltage B2.The blue phase liquid crystal display device 1 that user Ke Yi is different arranges the working time ratio of the second different gray scale voltage G2, the second recovery voltage V2 and the second black plug voltage B2, is not limited at this.In addition, the working time ratio of the first recovery voltage V1 and the second recovery voltage V2 can be identical or not identical, at this, to be all mutually example.In addition, the first gray scale voltage G1 is opposite with the polarity of the second gray scale voltage G2, and the first gray scale voltage G1 and the second gray scale voltage G2 can be adjacent or non-conterminous, at this, take adjacent as example.In addition, the polarity of the first recovery voltage V1 and the second recovery voltage V2 is opposite, and the first black plug voltage B1 is opposite with the polarity of the second black plug voltage B2, and the second gray scale voltage G2 is opposite with the polarity of the first recovery voltage V1.
In addition, please refer to shown in Fig. 3 C, it is the another sequential synoptic diagram that driving method of the present invention drives blue phase liquid crystal display device.
Main different being of Fig. 3 C and Fig. 3 B, the driving method of Fig. 3 C sequentially transmits the first gray scale voltage G1, the second gray scale voltage G2, the first recovery voltage V1, the first black plug voltage B1 and the second black plug voltage B2 in two continuous frame time T, and sequentially transmits the first gray scale voltage G1, the second gray scale voltage G2, the second recovery voltage V2, the first black plug voltage B1 and the second black plug voltage B2 in two follow-up frame time T.The working time ratio of the first recovery voltage V1 and the second recovery voltage V2 can be identical or not identical, at this, to be all mutually example.In addition, the first gray scale voltage G1 is opposite with the polarity of the second gray scale voltage G2, and the polarity of the first recovery voltage V1 the second recovery voltage V2 is opposite, and the second gray scale voltage G2 is opposite with the polarity of the first recovery voltage V1.
In addition, please refer to shown in Fig. 3 D, it is the again sequential synoptic diagram that driving method of the present invention drives blue phase liquid crystal display device.
Main different being of Fig. 3 D and Fig. 3 B, the driving method of Fig. 3 D sequentially transmits the first gray scale voltage G1, the second gray scale voltage G2, the first recovery voltage V1 and the first black plug voltage B1 in two frame time T, and sequentially transmits the first gray scale voltage G1, the second gray scale voltage G2, the second recovery voltage V2 and the second black plug voltage B2 in two follow-up frame time T.The working time ratio of the first recovery voltage V1 and the second recovery voltage V2 can be identical or not identical, at this, to be all mutually example.In addition, the first gray scale voltage G1 is opposite with the polarity of the second gray scale voltage G2, and the polarity of the first recovery voltage V1 the second recovery voltage V2 is opposite, and the second gray scale voltage G2 is opposite with the polarity of the first recovery voltage V1.
In addition, please refer to shown in Figure 4ly, it is for using driving method of the present invention to drive the synoptic diagram of the dark attitude penetrance of blue phase liquid crystal display device 1.At this, drive with the sequential of Fig. 3 A.Wherein, the longitudinal axis is the dark attitude penetrance of blue phase liquid crystal display device 1, and transverse axis is different initial the first gray scale voltage value.
Known black insertion technology does not have the first recovery voltage, input the first gray scale voltage after, namely input black plug voltage; Type of drive of the present invention then is behind input the first gray scale voltage, sequentially inputs the first recovery voltage and black plug voltage again, and wherein, the intensity of the first recovery voltage is greater than black plug voltage and gray scale voltage.In Fig. 4, the intensity of the first recovery voltage V1 take 200 volts as example, and measured with the spacing of two adjacent pixel electrodes 221 sample greater than 10um.
By finding among Fig. 4, if with known black insertion technology, input the first different gray scale voltage G1, and continue when applying the first black plug voltage B1 (1 volt) driving pixel, its dark attitude penetrance rather unstable (diamond curve) is approximately between 1.3%～4.8%.But, if with driving method of the present invention, after the first different gray scale voltage G1 of input, continue again when applying the first recovery voltage V1 of the present invention and the first black plug voltage B1 and sequentially driving pixel, the stability of its dark attitude penetrance obviously uprises, approximately between 1%～1.3% (square curve).Use at the product of reality, consider the selection of driving circuit design and liquid crystal material, the first recovery voltage can equally can improve the dark attitude light leak of liquid crystal indicator between the 15-60 volt, and has the obvious effect that improves of stability of dark attitude penetrance.Therefore, blue phase liquid crystal display device driving method of the present invention not only can improve the dark attitude light leak of liquid crystal indicator, also can improve the stability of its dark attitude penetrance.
In sum, because of according to blue phase liquid crystal display device driving method of the present invention by data line transmit the first gray scale voltage to pixel, transmit the first recovery voltage by data line and transmit the first black plug voltage to pixel to pixel and by data line, wherein the absolute value of the first recovery voltage is higher than the absolute value of the first gray scale voltage and the first black plug voltage.By this, can after transmitting the first gray scale voltage, transmit again the first higher recovery voltage, make blue phase liquid crystal have higher restoring force, to return to the iso ball attitude of optics, not only can improve the dark attitude light leak of blue phase liquid crystal display device, also can improve the stability of its dark attitude penetrance.
The above only is illustrative, but not is restricted.Anyly do not break away from spirit of the present invention and scope, and to its equivalent modifications of carrying out or change, all should be contained in the claimed scope of appending claims.
Claims (19)
1. a blue phase liquid crystal display device driving method cooperates with a blue phase liquid crystal display device, and this blue phase liquid crystal display device has at least one data line, at least one sweep trace and at least one pixel, and this driving method may further comprise the steps:
Transmit one first gray scale voltage to this pixel by this data line;
Transmit one first recovery voltage to this pixel by this data line; And
Transmit one first black plug voltage to this pixel by this data line, wherein the absolute value of this first recovery voltage is higher than the absolute value of this first gray scale voltage and this first black plug voltage.
2. driving method as claimed in claim 1 wherein transmits when then transmitting this first recovery voltage behind this first gray scale voltage, and this first gray scale voltage is opposite with the polarity of this first recovery voltage.
3. driving method as claimed in claim 1 wherein sequentially transmits this first gray scale voltage, this first recovery voltage and this first black plug voltage in a frame time.
4. driving method as claimed in claim 1, wherein in a frame time, transmit this first gray scale voltage to this pixel and transmit this first recovery voltage to the working time ratio of this pixel between 1: 1～1: 0.025.
5. driving method as claimed in claim 1, wherein in a frame time, transmit this first recovery voltage to this pixel and transmit this first black plug voltage to the working time ratio of this pixel between 1: 1～1: 0.025.
6. driving method as claimed in claim 1 also comprises:
Transmit one second gray scale voltage to this pixel by this data line.
7. driving method as claimed in claim 1 also comprises:
Transmit one second gray scale voltage and one second recovery voltage to this pixel by this data line.
8. driving method as claimed in claim 1 also comprises:
Transmit one second gray scale voltage and one second black plug voltage to this pixel by this data line.
9. driving method as claimed in claim 1 also comprises:
Transmit one second gray scale voltage, one second recovery voltage and one second black plug voltage to this pixel by this data line.
10. driving method as claimed in claim 6, wherein this first gray scale voltage is opposite with the polarity of this second gray scale voltage.
11. driving method as claimed in claim 7, wherein this first recovery voltage is opposite with the polarity of this second recovery voltage.
12. driving method as claimed in claim 8, wherein this first black plug voltage is opposite with the polarity of this second black plug voltage.
13. driving method as claimed in claim 9 wherein sequentially transmits this first gray scale voltage, this second gray scale voltage, this first recovery voltage, this second recovery voltage, this first black plug voltage and this second black plug voltage in two frame times.
14. driving method as claimed in claim 9 wherein sequentially transmits this first gray scale voltage, this second gray scale voltage, this first recovery voltage, this first black plug voltage and this second black plug voltage in two frame times.
15. driving method as claimed in claim 14 wherein sequentially transmits this first gray scale voltage, this second gray scale voltage, this second recovery voltage, this first black plug voltage and this second black plug voltage in two follow-up frame times.
16. driving method as claimed in claim 9 wherein sequentially transmits this first gray scale voltage, this second gray scale voltage, this first recovery voltage and this first black plug voltage in two frame times.
17. driving method as claimed in claim 16 wherein sequentially transmits this first gray scale voltage, this second gray scale voltage, this second recovery voltage and this second black plug voltage in two follow-up frame times.
18. driving method as claimed in claim 7, wherein this first recovery voltage or this second recovery voltage are between 15 volts to 60 volts.
19. driving method as claimed in claim 1, wherein the absolute value of this first recovery voltage is between between 1.2 times to 4 times of the absolute value of this first gray scale voltage and this first black plug voltage.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109346022A (en) * | 2018-12-11 | 2019-02-15 | 惠科股份有限公司 | Guard method, display panel and the computer readable storage medium of display panel |
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| US20110273638A1 (en) * | 2009-12-15 | 2011-11-10 | Au Optronics Corp. | Liquid crystal display device |
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| US20050024353A1 (en) * | 2001-11-20 | 2005-02-03 | E Ink Corporation | Methods for driving electro-optic displays |
| TWI312980B (en) * | 2004-09-09 | 2009-08-01 | Chunghwa Picture Tubes Ltd | Driving method |
| TW200725534A (en) * | 2005-12-23 | 2007-07-01 | Innolux Display Corp | Method for driving liquid crystal display panel |
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