CN101866633A - Multi-area scanning drive method for smectic state liquid crystal display (LED) - Google Patents
Multi-area scanning drive method for smectic state liquid crystal display (LED) Download PDFInfo
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Abstract
The invention discloses a multi-area scanning drive method for a smectic state liquid crystal display (LED), comprising the steps as follows: initiation: taking a line as a unit, dividing a display into W numbered areas along a vertical direction and generating an area lookup table correspondingly, an area subfield pulse pair number table and an area subfield frequency table; selecting a scanning mode, and determining a scanning sequence series corresponding to the scanning mode; successively reading each line number in the scanning sequence series; judging the line subsidiary area corresponding to the line number through the area lookup table while reading one line number, and determining the line pulse waveform corresponding to the line through the area subfield pulse pair number table and/or area subfield frequency table based on the subsidiary area of the line so as to output the line pulse, and outputting corresponding row pulse on each row of electrodes according to the image to be displayed on the line; and stopping outputting the pulses after the scanning sequence series is read out, and displaying the image. By using the invention, area unevenness of the smectic state liquid crystal display along the vertical direction is overcome and the image display quality is improved.
Description
Technical field
The present invention relates to a kind of scanning drive method, specifically, relate to a kind of multizone scanning drive method that is applied to smectic liquid crystal display screen.
Background technology
LCD is one of at present the most promising flat-panel display device, traditional LCD all is passive demonstration, and promptly transmission-type shows, only just can show adding under the condition of backlight, but the power consumption of backlight is more than the hundred times of the power consumption of liquid crystal own, very power consumption.Along with the development of liquid crystal technology, various liquid crystal materials emerge in an endless stream, and wherein do not need the reflective liquid crystal of backlight to rely on its low-power consumption characteristic to have absolute predominance.A kind of just reflective liquid crystal that adopted of smectic liquid crystal display screen---the reflection display device that need not backlight that the smectic phase liquid crystal is made in China's utility model patent " a kind of display control circuit " (patent No. is ZL200720190955.3).Smectic liquid crystal display screen is with its distinctive film surface characteristic and reflection-type displaying principle, realized a kind of need not backlight, simple in structure, the visual angle is extensive, picture is steady, the display device of real safety and environmental protection, power saving, and it has advantages such as long-term memory function and user's indefatigability, maintains the leading position in the ranks of display.
At present, the scanning drive method that this smectic liquid crystal display screen is carried out image refreshing is the type of drive of sequential scanning line by line that adopts full frame unanimity, first row nearest from distance row pulse driving circuit applies horizontal pulse to distance row pulse driving circuit last column farthest order successively, when scanning certain delegation, on the column electrode of this row correspondence, apply the horizontal pulse of setting, simultaneously, according to the half-tone information of this row image to be displayed, apply corresponding row pulse respectively on the row electrode of each row correspondence.Though this type of drive of sequential scanning line by line is simple, but, the type of drive of sequential scanning line by line for this full frame unanimity, in this turntable driving process, the horizontal pulse waveform that applies on full frame all column electrodes is in full accord, the i.e. pulse of the horizontal pulse of all row is all identical to number, frequency, voltage magnitude, and different just each row electrodes of this row correspondence can apply the respective column pulse of corresponding shade of gray information according to the pixel content displayed.Because the electrode of this smectic liquid crystal display screen is to divide ranks to draw from the both sides of display screen, be that full frame all column electrodes are drawn from the left side of display screen and are connected to the horizontal pulse driving circuit, full frame all row electrodes are drawn from the top of display screen and are connected to the row pulse driving circuit, on vertical direction, the column data of all row is all provided by the row pulse driving circuit that the row electrode is drawn, the distance of each row distance row electrode leads to client is different, and the difference of distance is being represented the difference that influences of row electrode resistance and column signal accumulative total.From practice, can find, row electrode resistance and column signal accumulative total to the rule of the influence that demonstration causes are: the zone near more apart from the row pulse driving circuit, its turntable driving is easy more to be finished, picture is black partially, apart from row pulse driving circuit zone far away more, its turntable driving is difficult for finishing more, and picture is white partially.So, when showing the picture material of a definite shade of gray, full frame display effect in vertical direction can accompany electrode distance row pulse driving circuit distance increase and turn white gradually, present on the vertical direction significantly regional inconsistent phenomenon.That is to say that if adopt the horizontal pulse of same waveform as all line scannings drivings of advancing to display screen, the zone nonuniformity on the vertical direction just can appear in the image that demonstrates.
Summary of the invention
The object of the present invention is to provide a kind of multi-area scanning drive method for smectic state liquid crystal display (LED), this multizone scanning drive method has effectively improved the homogeneity that image shows, has improved the display quality of smectic liquid crystal display screen.
In order to achieve the above object, the present invention has adopted following technical scheme:
A kind of multi-area scanning drive method for smectic state liquid crystal display (LED), this smectic liquid crystal display screen comprises first base layer and second base layer, between first base layer and second base layer, be provided with a mixolimnion that forms by smectic phase liquid crystal and additives mixed, this smectic phase liquid crystal is a category-A smectic phase liquid crystal organic compound, this additive is the compound of band conductive characteristic, be provided with first conductive electrode layer at first base layer towards a side of mixolimnion, be provided with second conductive electrode layer at second base layer towards a side of mixolimnion, first conductive electrode layer is made up of M strip line electrode that is arranged in parallel, second conductive electrode layer is made up of N strip row electrode that is arranged in parallel, this M column electrode and N row electrode be quadrature mutually, to form the pixel array of a M * N, it is characterized in that: this method may further comprise the steps:
Steps A: initialization smectic liquid crystal display screen;
Step B: with behavior unit, this smectic liquid crystal display screen is divided into W zone in vertical direction, each zone comprises several row; Generate the regional table of comparisons, regional sub-field pulse to individual numerical table and regional sub-field frequency counting rate meter according to W the zone of dividing;
Step C: select a scan pattern, determine and the corresponding scanning sequence series of this scan pattern, this scanning sequence series number is made up of integer 1 to M, a M row, and this M row number pressed and this scan pattern corresponding order arrangement;
Step D: from this scanning sequence series, read each successively capable number; When reading delegation number, judge the zone under the row of this row correspondence by this zone table of comparisons, according to this row affiliated area, by the sub-field pulse in this zone to individual numerical table and/or should the sub-field frequency counting rate meter in zone determine the waveform of the pairing horizontal pulse of this row, thereby this horizontal pulse of output on the column electrode of pairing this first conductive electrode layer of this row, and on each row electrode of this second conductive electrode layer, export the respective column pulse according to this row image to be displayed;
Step e: when having read this scanning sequence series, this first conductive electrode layer and this second conductive electrode layer are stopped to export pulse, an entire image just shows.
Advantage of the present invention is: the present invention is divided into a plurality of zones with the full screen display content with behavior unit, each zone adopts suitable this regional horizontal pulse to carry out turntable driving, compare with sequential scanning type of drive line by line, the present invention's interference to image of sequential scanning type of drive generation line by line evenly spreads to whole screen, and can be in the accumulation of same zone, zone on display screen vertical direction demonstration problem of non-uniform is proofreaied and correct, overcome the row electrode resistance, the defective of the obvious differentiation in different regions that the unevenness of column signal accumulative total and display screen itself causes in vertical direction to display image, improved the display quality of smectic liquid crystal display screen, avoided the image fault phenomenon, effectively improve the homogeneity that image shows, promoted the image display effect of smectic liquid crystal display screen.In the present invention, the row pulse of the output of all row is corresponding with row, has guaranteed the correctness that whole screen image shows.
Description of drawings
Fig. 1 is the composition synoptic diagram of smectic liquid crystal display screen;
Fig. 2 is arranged in the first and second conductive electrode layer synoptic diagram of lattice array shape anyhow;
Fig. 3 is realization flow figure of the present invention;
Fig. 4 is the synoptic diagram that smectic liquid crystal display screen is divided into W zone;
Fig. 5 is the example of regional sub-field pulse to individual numerical table;
Fig. 6 is an example of regional sub-field frequency counting rate meter;
Fig. 7 is the exemplary plot of a corresponding horizontal pulse of pixel and row pulse.
Embodiment
Describe the present invention below in conjunction with accompanying drawing.
Multizone scanning drive method of the present invention designs at smectic liquid crystal display screen.As depicted in figs. 1 and 2, this smectic liquid crystal display screen 10 comprises that the material of first base layer 11 and second base layer, 12, the first base layers 11 and second base layer 12 is chosen as glass or plastics.Between first base layer 11 and second base layer 12, be provided with a mixolimnion 13 that forms by smectic phase liquid crystal and additives mixed.This smectic phase liquid crystal (show as the smectic phase liquid crystal molecule on the microcosmic, state as follows) is category-A smectic phase liquid crystal (Smectic-A) organic compound, as with silica-based compound, four cyano four octyl group biphenyl, tetraacethyl ester in last of the ten Heavenly stems four cyano biphenyl etc.Additive is the compound of band conductive characteristic, contains the compound of conductive ion as cetyltriethylammonium bromide etc.Be coated with first conductive electrode layer 14 at first base layer 11 towards a side of mixolimnion 13, be coated with second conductive electrode layer 15 at second base layer 12 towards a side of mixolimnion 13, as shown in Figure 2, first conductive electrode layer 14 is made up of M strip line electrode 141 that is arranged in parallel, in this application, a column electrode is counted as delegation, second conductive electrode layer 15 is made up of N strip row electrode 151 that is arranged in parallel, in this application, a row electrode is counted as row, N row electrode 151 of the M of first conductive electrode layer 14 column electrode 141 and second conductive electrode layer 15 be quadrature mutually, this first conductive electrode layer 14 and second conductive electrode layer 15 form the pixel-matrix array structure of a M * N, a column electrode and a row electrode form a pixel, pixel 20 for example shown in Figure 2.That is to say, display screen be M capable * N row standard, have that M is capable, N row, delegation is to there being N pixel.These two conductive electrode layers 14 and 15 and middle mixolimnion 13 formed a capacitance structure that area is very big.First conductive electrode layer 14 and second conductive electrode layer 15 are transparent, and it can be ITO (tin indium oxide) etc., and can use auxiliary metal electrode as required, as aluminium, copper, silver etc.
As shown in Figure 3, the present invention includes following steps:
Steps A: initialization smectic liquid crystal display screen.This purpose is the piclear that smectic liquid crystal display screen is shown, full frame All Ranges is carried out consistent full frame initialization cls operation; Be in full frame frosted state through the display screen after the initialization, promptly full frame is white.Since initialization operation be recover that smectic phase liquid crystal molecule taxis more easily changes the low-lying level state, therefore, the full frame otherness of initialization operation is also not obvious, does not need special subregion to carry out subregional initialization.Initialized specific operation process is a prior art, is not here described.
Step B: with behavior unit, this smectic liquid crystal display screen is divided into W zone (W is a positive integer) in vertical direction, as shown in Figure 4, each zone comprises several row; Generate the regional table of comparisons, regional sub-field pulse to individual numerical table and regional sub-field frequency counting rate meter according to W the zone of dividing.The left end of all column electrodes is connected with the horizontal pulse driving circuit of outside, and the upper end of all row electrodes is connected with the row pulse driving circuit of outside.In the present invention, W can fix, and also can be variable, that is to say, the twice pairing W of turntable driving process in front and back can be identical or different.
Step C: select a scan pattern, determine and the corresponding scanning sequence series of this scan pattern.In the reality, can from the ordered series of numbers storer, read with the corresponding scanning sequence series of this scan pattern.This scanning sequence series number is made up of integer 1 to M, a M row, and this M row number pressed and this scan pattern corresponding order arrangement.
Step D: from this scanning sequence series, read each successively capable number; When reading delegation number, judge the zone under the row of this row correspondence by this zone table of comparisons, according to this row affiliated area, by the sub-field pulse in this zone to individual numerical table and/or should the sub-field frequency counting rate meter in zone determine the waveform of the pairing horizontal pulse of this row, thereby this horizontal pulse of output on the column electrode of pairing this first conductive electrode layer of this row, and on each row electrode of this second conductive electrode layer, export the respective column pulse according to this row image to be displayed.
Step e: when having read this scanning sequence series, this first conductive electrode layer and this second conductive electrode layer are stopped to export pulse, an entire image just shows.
As Fig. 4, in step B of the present invention, the zone can vary, and just each included line number in zone can be identical or different.The scope in the zone nearer apart from the row pulse driving circuit can be greatly, and the scope in the zone far away apart from the row pulse driving circuit can be smaller.
In actual applications, in step C, scan pattern can be sequential scanning pattern line by line, backward scan pattern, fractional scanning pattern, two fens algorithm scan patterns, any in the out of order scan pattern at random.The selection and the dividing region of scan pattern are independent of each other, scan pattern has been determined the order of turntable driving row, and the horizontal pulse waveform parameter of dividing region this row when having determined scanning delegation, and promptly pulse of each son of this row is to number and frequency.Two width of cloth images that front and back show can adopt identical scan pattern or different scan patterns, to realize the flexible demonstration of image.
If scan pattern is the sequential scanning pattern, then the row in the scanning sequence series number increases progressively arrangement with the order from 1 to M.If scan pattern is the backward scan pattern, then the row in the scanning sequence series is number with the arrangement of successively decreasing from the order of M to 1.If scan pattern is the fractional scanning pattern, then row number 1 to M is divided into many groups, and these many groups to be setting series arrangement, and the row in the scanning sequence series number is to set the tactic corresponding arrangements of order that should many groups.If scan pattern is two fens algorithm scan patterns, then the row in the scanning sequence series number is arranged according to the order that two fens algorithms in the numerical algorithm obtain.If scan pattern is out of order scan pattern at random, then the row in the scanning sequence series number is arranged by the random sequence that random algorithm obtains.
In the present invention, the pairing horizontal pulse of each row is made up of S son field.For a zone, the horizontal pulse of all row in this zone is identical, included each of each area relative horizontal pulse the sub-field pulse in zone to individual numerical table in to should have a pulse to number and in the sub-field frequency counting rate meter in zone to a frequency should be arranged.For example, as shown in Figure 5 and Figure 6, each horizontal pulse all is provided with 31 sons (son field 0 is to sub 30).For any one zone in W the zone, each son has corresponding pulse to number and frequency in each zone, and, identical son in each zone also its corresponding pulse to number and frequency correspondence.
If according to delegation's affiliated area, individual numerical table is determined the waveform of the horizontal pulse of this row by the sub-field pulse in zone, then the pulse of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence determines that to individual numerical table the frequency of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is that setpoint frequency and voltage magnitude are the setting voltage amplitude by the sub-field pulse in this zone to number; If according to delegation's affiliated area, determine the waveform of the horizontal pulse of this row by the sub-field frequency counting rate meter in zone, then the frequency of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is determined by the sub-field frequency counting rate meter in this zone, and the pulse of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is setting voltage amplitude for setting pulse to number and voltage magnitude to number; If according to delegation's affiliated area, individual numerical table and regional sub-field frequency counting rate meter are determined the waveform of the horizontal pulse of this row by the sub-field pulse in zone, then the pulse of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is determined individual numerical table by the sub-field pulse in this zone number, the frequency of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence determines that by the sub-field frequency counting rate meter in this zone the voltage magnitude of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is the setting voltage amplitude.This setting voltage amplitude range is more than or equal to 5v and smaller or equal to 250v, and this setpoint frequency scope is more than or equal to 1kHz and smaller or equal to 50kHz.
In the present invention, horizontal pulse has S son field.Each son is a high-frequency and high-voltage positive negative pulse stuffing with corresponding pulses to number, frequency and voltage magnitude, and the high-frequency and high-voltage positive negative pulse stuffing of different sons can be identical or different (please refer to Fig. 5, sub-field pulse shown in Figure 6 is understood number, frequency configuration example).
For the nearer zone of distance row pulse driving circuit,, relatively more easily drive because this zone is shorter apart from the row resistance length of row pulse driving circuit, therefore, preferably, but pulse of each son of the horizontal pulse of this zone correspondence gets lessly to the number respective design, and Frequency Design gets higher; For distance row pulse driving circuit zone far away,, be difficult for relatively driving because this zone is longer apart from the row resistance length of row pulse driving circuit, therefore, preferably, but pulse of each son of the horizontal pulse of this zone correspondence gets some morely to the number respective design, and Frequency Design must be hanged down.Like this, pointed carries out adaptive turntable driving to zones of different, is beneficial to more to weaken the inconsistent problem in image refreshing zone.
In step D, on the pairing column electrode 141 of delegation, export horizontal pulse, and on each row electrode 151, be specially according to this row image to be displayed output respective column pulse:
In a Preset Time, load rows pulse on this column electrode 141, on remaining row electrode 141, load 0V voltage, simultaneously, on each row electrode 151, load the respective column pulse, wherein: only phase place is opposite need to be driven to the horizontal pulse that loads on the row pulse that loads on the row electrode 151 of pixel correspondence of the bright state of full impregnated and this column electrode 141 on these column electrode 141 positions, does not need the horizontal pulse of loading on the row pulse that loads on the row electrode 151 of driven pixel correspondence and this column electrode 141 identical on these column electrode 141 positions; For the pixel that need be driven to the GTG attitude on these column electrode 141 positions, the gray level information that has according to this GTG attitude, the waveform of the plurality of sub field in the row pulse that loads on the row electrode 151 of this pixel correspondence is identical with the waveform of corresponding son in this horizontal pulse respectively, waveforms of all the other sons respectively with this horizontal pulse in the waveform of corresponding son only phase place is opposite; The voltage magnitude of this horizontal pulse less than the voltage magnitude of this horizontal pulse of threshold voltage magnitude and twice greater than threshold voltage magnitude.Wherein, in reality is implemented, for the pixel that need be driven to the GTG attitude on the column electrode position, in the row pulse that on the row electrode of this pixel correspondence, loads, the son opposite with the waveform phase of son in this horizontal pulse be preceding, the son identical with the waveform phase of son in this horizontal pulse after.
Specifically, the row pulse has the son field identical with horizontal pulse quantity, and each the height field in the horizontal pulse is corresponding one by one with each the height field in the row pulse.The frequency, pulse of each son in the row pulse to number, voltage magnitude all with corresponding horizontal pulse in frequency, the pulse of son identical to number, voltage magnitude, be that phase place is according to pixel demonstration needs and identical or opposite.S son field can show from 0 to S, altogether S+1 GTG attitude.For example, totally 31 sub, so, if the GTG attitude of pixel to be shown is 0, then waveform phases of all the son fields in the waveform of all in row pulse son and the horizontal pulse are opposite, if the GTG attitude of pixel to be shown is 1, then the waveform of preceding 30 the son fields in the row pulse is opposite with the waveform phase of corresponding preceding 30 son fields in the horizontal pulse, the waveform of last 1 son field is identical with the waveform phase of corresponding last 1 son field in the horizontal pulse in the row pulse, if the GTG attitude of pixel to be shown is 15, then the waveform of preceding 16 the son fields in the row pulse is opposite with the waveform phase of corresponding preceding 16 son fields in the horizontal pulse, the waveform of all the other the son fields in the row pulse is identical with waveform phases of corresponding all the other son fields in the horizontal pulse, if the GTG attitude of pixel to be shown is 30, then the waveform of preceding 1 the son field in the row pulse is opposite with the waveform phase of corresponding preceding 1 son field in the horizontal pulse, and the waveform of all the other son fields is identical with waveform phases of corresponding all the other son fields in the horizontal pulse in the row pulse.Again for example, having 2 sons L1, L2 with the ranks pulse is example, as shown in Figure 7, the phase place of the waveform of the corresponding son field L1 in the waveform of son the L1 in the row pulse and the horizontal pulse is opposite, but frequency, pulse are identical to number, voltage magnitude, the waveform phase of corresponding son field L2 in the waveform of son L2 in the row pulse and the horizontal pulse is identical, and frequency, pulse are also identical to number, voltage magnitude.
In the present invention, threshold voltage is the smectic phase liquid crystal molecule to be driven the magnitude of voltage that arrangement form changes takes place, and it is to determine according to the composition of mixolimnion and thickness, is generally more than the 5V.In addition, in the present invention, a direct impulse in the high-frequency and high-voltage positive negative pulse stuffing adds a negative-going pulse, and to be called as a pulse right.Frequency and pulse according to the load rows pulse can calculate corresponding time span to number.
In the present invention, the physical arrangement state that pixel had that is rendered as GTG attitude (a kind of gray scale states between the bright and vaporific lucifuge state of full impregnated, for example translucent) is to be rendered as the regularly arranged form that pixel had of the bright state of full impregnated and to keep a certain transition arrangement form between the out of order arrangement form that pixel had of vaporific shading state.Here, pixel is rendered as the bright state of full impregnated, need not drive and the physics realization principle that keeps vaporific shading state and be rendered as the GTG attitude is no longer given unnecessary details, and is that 200810102000.7 Chinese invention patent application " electric-controlled light-regulating medium " is understood but referenced patent application number is 200710175959.9 Chinese invention patent application " a kind of electric-controlled light-regulating medium " and number of patent application.
In the reality, according to showing needs, also can be mixed with a certain amount of dichroic dye in the mixolimnion 13, like this, smectic liquid crystal display screen just can switch between the bright and coloured shading of full impregnated.For the smectic liquid crystal display screen that has mixed dichroic dye, the smectic liquid crystal display screen identical (the physics realization principle of its pixel display image is similar to the smectic liquid crystal display screen of above-mentioned unmixed dichroic dye) of its scanning drive method and above-mentioned unmixed dichroic dye here repeats no more.
Advantage of the present invention is: the present invention is divided into a plurality of zones with the full screen display content with behavior unit, each zone adopts suitable this regional horizontal pulse to carry out turntable driving, compare with sequential scanning type of drive line by line, the present invention's interference to image of sequential scanning type of drive generation line by line evenly spreads to whole screen, and can be in the accumulation of same zone, zone on display screen vertical direction demonstration problem of non-uniform is proofreaied and correct, overcome the row electrode resistance, the defective of the obvious differentiation in different regions that the unevenness of column signal accumulative total and display screen itself causes in vertical direction to display image, improved the display quality of smectic liquid crystal display screen, avoided the image fault phenomenon, effectively improve the homogeneity that image shows, promoted the image display effect of smectic liquid crystal display screen.In the present invention, the row pulse of the output of all row is corresponding with row, has guaranteed the correctness that whole screen image shows.
The above is preferred embodiment of the present invention and the know-why used thereof; for a person skilled in the art; under the situation that does not deviate from the spirit and scope of the present invention; any based on conspicuous changes such as the equivalent transformation on the technical solution of the present invention basis, simple replacements, all belong within the protection domain of the present invention.
Claims (7)
1. multi-area scanning drive method for smectic state liquid crystal display (LED), this smectic liquid crystal display screen comprises first base layer and second base layer, between first base layer and second base layer, be provided with a mixolimnion that forms by smectic phase liquid crystal and additives mixed, this smectic phase liquid crystal is a category-A smectic phase liquid crystal organic compound, this additive is the compound of band conductive characteristic, be provided with first conductive electrode layer at first base layer towards a side of mixolimnion, be provided with second conductive electrode layer at second base layer towards a side of mixolimnion, first conductive electrode layer is made up of M strip line electrode that is arranged in parallel, second conductive electrode layer is made up of N strip row electrode that is arranged in parallel, this M column electrode and N row electrode be quadrature mutually, to form the pixel array of a M * N, it is characterized in that: this method may further comprise the steps:
Steps A: initialization smectic liquid crystal display screen;
Step B: with behavior unit, this smectic liquid crystal display screen is divided into W zone in vertical direction, each zone comprises several row; Generate the regional table of comparisons, regional sub-field pulse to individual numerical table and regional sub-field frequency counting rate meter according to W the zone of dividing;
Step C: select a scan pattern, determine and the corresponding scanning sequence series of this scan pattern, this scanning sequence series number is made up of integer 1 to M, a M row, and this M row number pressed and this scan pattern corresponding order arrangement;
Step D: from this scanning sequence series, read each successively capable number; When reading delegation number, judge the zone under the row of this row correspondence by this zone table of comparisons, according to this row affiliated area, by the sub-field pulse in this zone to individual numerical table and/or should the sub-field frequency counting rate meter in zone determine the waveform of the pairing horizontal pulse of this row, thereby this horizontal pulse of output on the column electrode of pairing this first conductive electrode layer of this row, and on each row electrode of this second conductive electrode layer, export the respective column pulse according to this row image to be displayed;
Step e: when having read this scanning sequence series, this first conductive electrode layer and this second conductive electrode layer are stopped to export pulse, an entire image just shows.
2. multizone scanning drive method according to claim 1 is characterized in that:
In described step C, described scan pattern is sequential scanning pattern, backward scan pattern, fractional scanning pattern, two fens algorithm scan patterns, any in the out of order scan pattern at random line by line.
3. multizone scanning drive method according to claim 1 is characterized in that:
The included line number in each described zone is identical or different.
4. multizone scanning drive method according to claim 1 is characterized in that:
The pairing horizontal pulse of each row is made up of S son field;
For a zone, the horizontal pulse of all row in this zone is identical, included each of each area relative horizontal pulse the sub-field pulse in described zone to individual numerical table in to should have a pulse to number and in the sub-field frequency counting rate meter in described zone to a frequency should be arranged.
5. multizone scanning drive method according to claim 4 is characterized in that:
If according to delegation's affiliated area, individual numerical table is determined the waveform of the horizontal pulse of this row by the sub-field pulse in described zone, then the pulse of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence determines that to individual numerical table the frequency of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is that setpoint frequency and voltage magnitude are the setting voltage amplitude by the sub-field pulse in described zone to number;
If according to delegation's affiliated area, determine the waveform of the horizontal pulse of this row by the sub-field frequency counting rate meter in described zone, then the frequency of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is determined by the sub-field frequency counting rate meter in described zone, and the pulse of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is setting voltage amplitude for setting pulse to number and voltage magnitude to number;
If according to delegation's affiliated area, the sub-field frequency counting rate meter of individual numerical table and described zone is determined the waveform of the horizontal pulse of this row by the sub-field pulse in described zone, then the pulse of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is determined individual numerical table by the sub-field pulse in described zone number, the frequency of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence determines that by the sub-field frequency counting rate meter in described zone the voltage magnitude of each height field of the horizontal pulse that is applied on the column electrode of this row correspondence is the setting voltage amplitude.
6. multizone scanning drive method according to claim 5 is characterized in that:
In described step D, on the pairing column electrode of delegation, export horizontal pulse, and on each row electrode, be specially according to this row image to be displayed output respective column pulse:
In a Preset Time, load rows pulse on this column electrode, on the remaining row electrode, load 0V voltage, simultaneously, on each row electrode, load the respective column pulse, wherein: only phase place is opposite need to be driven to the horizontal pulse that loads on the row pulse that loads on the row electrode of pixel correspondence of the bright state of full impregnated and this column electrode on this column electrode position, does not need the horizontal pulse that loads on the row pulse that loads on the row electrode of driven pixel correspondence and this column electrode identical on this column electrode position; For the pixel that need be driven to the GTG attitude on this column electrode position, the gray level information that has according to this GTG attitude, the waveform of the plurality of sub field in the row pulse that loads on the row electrode of this pixel correspondence is identical with the waveform of corresponding son in this horizontal pulse respectively, waveforms of all the other sons respectively with this horizontal pulse in the waveform of corresponding son only phase place is opposite; The voltage magnitude of this horizontal pulse less than the voltage magnitude of this horizontal pulse of threshold voltage magnitude and twice greater than threshold voltage magnitude.
7. multizone scanning drive method according to claim 6 is characterized in that:
In described step D, for the pixel that need be driven to the GTG attitude on the column electrode position, in the row pulse that on the row electrode of this pixel correspondence, loads, the son opposite with the waveform phase of son in this horizontal pulse be preceding, the son identical with the waveform phase of son in this horizontal pulse after.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682722A (en) * | 2011-03-07 | 2012-09-19 | 苏州汉朗光电有限公司 | Scanning drive method for smectic phase liquid crystal display |
| CN103617777A (en) * | 2013-11-28 | 2014-03-05 | 京东方科技集团股份有限公司 | Array substrate, color film substrate, manufacturing method, display panel and display device |
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| WO2019015289A1 (en) * | 2017-07-18 | 2019-01-24 | 京东方科技集团股份有限公司 | Scanning driver circuit, driving method therefor and display device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682722B (en) * | 2011-03-07 | 2013-10-02 | 苏州汉朗光电有限公司 | Scanning drive method for smectic phase liquid crystal display |
| CN102682722A (en) * | 2011-03-07 | 2012-09-19 | 苏州汉朗光电有限公司 | Scanning drive method for smectic phase liquid crystal display |
| US9417470B2 (en) | 2011-09-14 | 2016-08-16 | Cambridge Enterprise Limited | Driver circuit |
| CN103617777A (en) * | 2013-11-28 | 2014-03-05 | 京东方科技集团股份有限公司 | Array substrate, color film substrate, manufacturing method, display panel and display device |
| WO2015078144A1 (en) * | 2013-11-28 | 2015-06-04 | 京东方科技集团股份有限公司 | Array substrate, color film substrate and manufacture method therefor, display panel and display device |
| US10332913B2 (en) | 2013-11-28 | 2019-06-25 | Boe Technology Group Co., Ltd. | Array substrate, color filter substrate, and manufacturing methods thereof, display panel and display device |
| CN103617777B (en) * | 2013-11-28 | 2016-07-06 | 京东方科技集团股份有限公司 | Array base palte, color membrane substrates and manufacture method, display floater |
| WO2017152462A1 (en) * | 2016-03-11 | 2017-09-14 | 深圳市华星光电技术有限公司 | Driving method for liquid crystal display panel and driving system for liquid crystal display panel |
| CN105590609A (en) * | 2016-03-11 | 2016-05-18 | 深圳市华星光电技术有限公司 | Liquid crystal display panel driving method and liquid crystal display panel driving system |
| WO2017152460A1 (en) * | 2016-03-11 | 2017-09-14 | 深圳市华星光电技术有限公司 | Driving method for liquid crystal display panel |
| CN105589235B (en) * | 2016-03-11 | 2018-11-20 | 深圳市华星光电技术有限公司 | Driving method for liquid crystal display panel |
| US10181302B2 (en) | 2016-03-11 | 2019-01-15 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Drive method of liquid crystal display panel |
| CN105590609B (en) * | 2016-03-11 | 2019-01-22 | 深圳市华星光电技术有限公司 | Driving method for liquid crystal display panel and liquid crystal display panel drive system |
| CN105589235A (en) * | 2016-03-11 | 2016-05-18 | 深圳市华星光电技术有限公司 | Liquid crystal display panel driving method |
| WO2019015289A1 (en) * | 2017-07-18 | 2019-01-24 | 京东方科技集团股份有限公司 | Scanning driver circuit, driving method therefor and display device |
| US11322063B2 (en) | 2017-07-18 | 2022-05-03 | Boe Technology Group Co., Ltd. | Scan driving circuit and driving method thereof, and display device |
| CN109920390A (en) * | 2019-04-30 | 2019-06-21 | 京东方科技集团股份有限公司 | Picture element scan driving method, device, equipment, medium and picture element scan device |
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