CN103293732B - Liquid crystal panel drive method and liquid crystal panel - Google Patents
Liquid crystal panel drive method and liquid crystal panel Download PDFInfo
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- CN103293732B CN103293732B CN201310214122.6A CN201310214122A CN103293732B CN 103293732 B CN103293732 B CN 103293732B CN 201310214122 A CN201310214122 A CN 201310214122A CN 103293732 B CN103293732 B CN 103293732B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
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- Crystallography & Structural Chemistry (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention discloses a kind of liquid crystal panel drive method and liquid crystal panel, relate to field of liquid crystal display, decrease the situation that liquid crystal panel produces flicker and crosstalk, improve display effect.A kind of liquid crystal panel drive method that the embodiment of the present invention provides, frame reversion comprises the reversion of several times subframe unit, subframe unit comprises at least one pixel cell in liquid crystal panel, subframe unit reversion is used for being reversed by the polarity of data drive unit to subframe unit under the control of drive element of the grid, and each pixel cell in liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly relate to a kind of liquid crystal panel drive method and liquid crystal panel.
Background technology
Increasingly mature along with photoelectric display technology, the application of display device is more and more extensive.Wherein because have the features such as the life-span is long, light efficiency is high, radiation is low, low in energy consumption, the display device based on liquid crystal panel instead of traditional radiographic tube display device gradually and forms developing direction in order to display device product main flow in recent years.
For liquid crystal panel, its normally used type of drive mainly comprises following several: frame reversion, row reversion, row reversion, some reversion.Each type of drive has both advantages and disadvantages, and for frame inversion driving mode, its driving process specifically can be described as: when liquid crystal panel image shows, liquid crystal panel former frame exports the data of a certain polarity, exports the data of opposite polarity and circulate at next frame.(it should be noted that, the polarity of data is the polarity of pixel voltage for public electrode voltages of pixel cell, comprising positive polarity and negative polarity two kinds.Therefore frame inversion driving mode can such as: suppose the data of liquid crystal indicator at the first frame output cathode, so in the data of the second frame by output negative pole, at the 3rd frame by the data of output cathode, at the 4th frame by the data of output negative pole, ..., circulate successively).
But inventor finds the frame inversion driving mode of prior art in R&D process, and at least there are the following problems: the liquid crystal panel of frame inversion driving mode easily produces image glisten phenomenon in the process of display graphics; The situation of easy data signals crosstalk between each pixel cell of the liquid crystal panel of frame inversion driving mode, therefore can have a negative impact to display effect in addition.
Summary of the invention
Embodiments of the invention provide a kind of liquid crystal panel drive method and liquid crystal panel, decrease the situation that liquid crystal panel produces flicker and crosstalk, improve display effect.
For solving the problems of the technologies described above, embodiments of the invention adopt following technical scheme:
A kind of liquid crystal panel drive method, described liquid crystal panel comprises multiple pixel cell, drive element of the grid and data drive unit, and described liquid crystal panel adopts frame inversion driving mode display graphics, described frame reversion comprises the reversion of several times subframe unit, described subframe unit comprises at least one pixel cell in described liquid crystal panel, described subframe unit reversion is used for being reversed by the polarity of data drive unit to described subframe unit under the control of described drive element of the grid, each pixel cell in described liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes.
Further, described liquid crystal panel also comprises grid line, data line, thin film transistor (TFT), each pixel cell connects a thin film transistor (TFT), thin film transistor (TFT) described in the odd column of pixel cell described in the first row is connected, described in the even column of grid line described in last column and pixel cell described in last column, thin film transistor (TFT) is connected, thin film transistor (TFT) described in the odd column of grid line described in remaining row and be expert at described pixel cell is connected and described in the even column of grid line described in remaining row and pixel cell described in adjacent lastrow, thin film transistor (TFT) is connected, the described pixel cell be connected with odd-numbered line grid line is the first subframe unit, the described pixel cell be connected with even number line grid line is the second subframe unit, described frame reversion comprises the first subframe unit reversion and the reversion of the second subframe unit.
Further, the time interval of adjacent described subframe unit reversion is identical.
Further, the pixel cell of liquid crystal panel that comprises of described subframe unit is non-conterminous mutually.
Further, the polarity of described subframe unit is the polarity of pixel voltage relative to public electrode voltages of the pixel cell that described subframe unit comprises.
On the other hand, the embodiment of the present invention also provides a kind of liquid crystal panel, described liquid crystal panel comprises grid line, data line, thin film transistor (TFT), pixel cell, each pixel cell connects a thin film transistor (TFT), described in the odd column of grid line described in the first row and pixel cell described in the first row, thin film transistor (TFT) is connected, described in the even column of grid line described in last column and pixel cell described in last column, thin film transistor (TFT) is connected, thin film transistor (TFT) described in the odd column of grid line described in remaining row and be expert at described pixel cell is connected and described in the even column of grid line described in remaining row and pixel cell described in adjacent lastrow, thin film transistor (TFT) is connected.
The liquid crystal panel drive method that the embodiment of the present invention provides and liquid crystal panel, by arranging the reversion of several times subframe unit in frame reversion, subframe unit comprises at least one pixel cell in liquid crystal panel, subframe unit reversion is used for reversing to the polarity of subframe unit, the each pixel cell in liquid crystal panel is made to carry out a reversal of poles after a frame Umklapp process completes, thus decrease the situation that liquid crystal panel produces flicker and crosstalk, improve the display effect of liquid crystal panel and display device.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is one of liquid crystal panel display image schematic diagram of the embodiment of the present invention;
Fig. 2 is the liquid crystal panel display image schematic diagram two of the embodiment of the present invention;
Fig. 3 is one of liquid crystal panel drive method of the embodiment of the present invention;
Fig. 4 is the liquid crystal panel drive method two of the embodiment of the present invention;
Fig. 5 is one of liquid crystal panel schematic diagram adopting embodiment of the present invention driving method;
Fig. 6 is the liquid crystal panel schematic diagram two adopting embodiment of the present invention driving method;
Fig. 7 is the liquid crystal panel schematic diagram three adopting embodiment of the present invention driving method.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with following accompanying drawing, the embodiment of the present invention is described in detail.
The embodiment of the present invention provides a kind of liquid crystal panel drive method, described liquid crystal panel comprises multiple pixel cell, drive element of the grid and data drive unit and adopt frame inversion driving mode display graphics, described frame reversion comprises the reversion of several times subframe unit, described subframe unit comprises at least one pixel cell in described liquid crystal panel, described subframe unit reversion is used for being reversed by the polarity of data drive unit to described subframe unit under the control of described drive element of the grid, each pixel cell in described liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes.
It should be noted that, the effect of liquid crystal panel by driving Liquid Crystal Molecules Alignment change to reach change display image.Therefore for avoiding long-time twisted liquid crystal molecule to make liquid crystal molecule deterioration, liquid crystal panel uses alternating voltage to drive liquid crystal molecule usually.As a kind of type of drive of liquid crystal panel, frame inversion driving mode can specifically describe and be: if the whole pixel cell of former frame liquid crystal panel exports the data of a certain polarity, the data exporting opposite polarity is also circulated in turn at the whole pixel cell of next frame liquid crystal panel.Wherein, the polarity of pixel cell refers to the polarity of the pixel voltage of pixel cell for public electrode voltages, includes positive polarity and negative polarity two type.For example, as depicted in figs. 1 and 2, to comprise the liquid crystal panel of four lines four row pixel, frame inversion driving mode can be described as: in the data of the whole pixel cell of the first frame liquid crystal panel output cathode as shown in Figure 1, in the data of the whole pixel cell of the second frame liquid crystal panel output negative pole as shown in Figure 2, in the data of the whole pixel cell of the 3rd frame liquid crystal panel output cathode as shown in Figure 1, in the data of the whole pixel cell of the 4th frame liquid crystal panel output negative pole as shown in Figure 2, ..., circulate successively.
And as a kind of embodiment of the present invention, be described for above-mentioned liquid crystal panel first frame mentioned and the second frame as a complete frame Umklapp process, the reversion of several times subframe unit is set in this frame Umklapp process.For the simple and clear description embodiment of the present invention, in this is with this frame Umklapp process, is provided with twice subframe unit is reversed to example.As shown in Figure 3, liquid crystal panel comprises multiple pixel cell, drive element of the grid and data drive unit and adopt frame inversion driving mode display graphics, the schematic diagram in liquid crystal panel first frame moment can see in Fig. 3 shown in S101, first the t1 moment of liquid crystal panel after the first frame starts starts first time subframe unit reversion, wherein first time subframe unit reversion is used for the polarity of at least one pixel cell in liquid crystal panel being reversed by data drive unit under the control of drive element of the grid, such as the pixel cell of first time subframe unit reversion comprises the pixel cell being positioned at odd-numbered line and odd column intersection location place and the pixel cell being positioned at even number line and even column intersection location place, and the polarity of all the other position pixel cells remains unchanged in liquid crystal panel, now first time subframe unit reversed after liquid crystal panel as shown in S102 in Fig. 3.Then after completing first time subframe unit reversion, the t2 moment of liquid crystal panel after the first frame starts starts the reversion of second time subframe unit, wherein the reversion of second time subframe unit is used for the polarity of at least one pixel cell in liquid crystal panel being reversed by data drive unit under the control of drive element of the grid, such as the pixel cell of second time subframe unit reversion comprises the pixel cell being positioned at odd-numbered line and even column intersection location place and the pixel cell being positioned at even number line and odd column intersection location place, and the polarity of all the other position pixel cells remains unchanged in liquid crystal panel, now second time subframe unit reversed after liquid crystal panel as shown in S103 in Fig. 3.Reversed by first time subframe unit and second time subframe unit reversion after, liquid crystal panel completes a frame Umklapp process.It should be noted that, each pixel cell in liquid crystal panel has carried out the reversion of a polarity after a frame Umklapp process completes.
Compared with prior art frame inversion driving mode, the reversion of several times subframe unit is provided with in a frame Umklapp process of the liquid crystal panel of the embodiment of the present invention, subframe unit comprises at least one pixel cell in liquid crystal panel, subframe unit reversion comprises the polarity of inverted rotor frame unit, therefore embodiment of the present invention liquid crystal panel pixel is not disposablely within a frame period to be reversed by whole pixel cell by the reversion of repeatedly subframe unit, reduce the possibility that flicker and data-crosstalk occur embodiment of the present invention liquid crystal panel, improve the display effect of liquid crystal panel.
It should be noted that, first, in above-mentioned embodiment, if the first frame start time was defined as 0 moment, second frame start time was defined as the T moment, so it will be understood by those skilled in the art that first time subframe unit reversing moment t1 and second time subframe unit reversing moment t2 should meet: 0 < t1 < t2≤T.Second, in above-mentioned embodiment, description about the pixel cell reversed in first time subframe unit reversion and second time subframe unit Umklapp process is only exemplary description, in fact, the pixel cell of the first time subframe unit reversion in above-mentioned embodiment and the pixel cell of second time subframe unit reversion have multiple possible situation, such as: first time subframe unit reversion comprises the pixel cell being positioned at odd-numbered line and even column intersection location place and the pixel cell being positioned at even number line and odd column intersection location place, the reversion of second time subframe unit comprises the pixel cell being positioned at odd-numbered line and odd column intersection location place and the pixel cell being positioned at even number line and even column intersection location place.Well-determinedly be, no matter first time subframe unit reverse the pixel cell that comprises and for the second time the subframe unit pixel cell comprised that reverses be have employed which kind of possible situation, each pixel cell of liquid crystal panel has carried out the reversion of a polarity after a frame Umklapp process completes.
As another kind of possibility of the present invention, the embodiment of the present invention proposes another kind of liquid crystal panel drive method.In the present embodiment, the working background of liquid crystal panel drive method with reference to above-described embodiment, can not repeat them here.Unlike, in this specific embodiment, in a frame Umklapp process, be provided with four subframe unit reversions.Same liquid crystal panel second frame arranged using liquid crystal panel first frame of four lines four row and four lines four is as a frame Umklapp process, first liquid crystal panel is in the schematic diagram in the first frame moment is as Fig. 4 shown in S111, t1 ' the moment of liquid crystal panel after the first frame starts starts first time subframe unit reversion, wherein the polarity of at least one pixel cell in liquid crystal panel is reversed by first time subframe unit reversion, such as the pixel cell of first time subframe unit reversion comprises the pixel cell being positioned at odd-numbered line and odd column intersection location place, pixel cell polarity first time subframe unit comprised is reversed, and the polarity of all the other position pixel cells remains unchanged in liquid crystal panel, now first time subframe unit reversed after liquid crystal panel as shown in S112 in Fig. 4, then after completing the first subframe unit reversion, t2 ' the moment of liquid crystal panel after the first frame starts starts the reversion of second time subframe unit, wherein the polarity of at least one pixel cell in liquid crystal panel is reversed by the reversion of second time subframe unit, such as the pixel cell of second time subframe unit reversion comprises the pixel cell being positioned at odd-numbered line and even column intersection location place, pixel cell polarity second time subframe unit comprised is reversed, and the polarity of all the other position pixel cells remains unchanged in liquid crystal panel, now second time subframe unit reversed after liquid crystal panel as shown in S113 in Fig. 4, then after completing the reversion of second time subframe unit, t3 ' the moment of liquid crystal panel after the first frame starts starts third time subframe unit reversion, wherein the polarity of at least one pixel cell in liquid crystal panel is reversed by third time subframe unit reversion, such as the pixel cell of third time subframe unit reversion comprises the pixel cell being positioned at even number line and odd column intersection location place, pixel cell polarity third time subframe unit comprised is reversed, and the polarity of all the other position pixel cells remains unchanged in liquid crystal panel, now third time subframe unit reversed after liquid crystal panel as shown in S114 in Fig. 4, then after completing third time subframe unit reversion, t4 ' the moment of liquid crystal panel after the first frame starts starts the 4th subframe unit reversion, wherein the polarity of at least one pixel cell in liquid crystal panel is reversed by the 4th subframe unit reversion, such as the pixel cell of the 4th subframe unit reversion comprises the pixel cell being positioned at even number line and even column intersection location place, the pixel cell polarity 4th subframe unit comprised is reversed, and the polarity of all the other position pixel cells remains unchanged in liquid crystal panel, now the 4th subframe unit reversed after liquid crystal panel as shown in S115 in Fig. 4.By first time subframe unit reversion, the reversion of second time subframe unit, third time subframe unit reversion and the 4th subframe unit reversion, liquid crystal panel completes a frame Umklapp process, and each pixel cell in liquid crystal panel has all carried out the reversion of a polarity after a frame Umklapp process completes.Wherein, analyze known, in this embodiment, if the first frame start time was defined as 0 moment, second frame start time was defined as the T moment, and so first time subframe unit reversing moment t1 ', second time subframe unit reversing moment t2 ', third time subframe unit reversing moment t3 ' and the 4th subframe unit reversing moment t4 ' should meet: 0 < t1 ' < t2 ' < t3 ' < t4 '≤T.The connected mode of the pixel cell of the liquid crystal panel comprised according to the subframe unit in the reversal of poles mode of the liquid crystal panel in such as Fig. 4 corresponding to the reversion of each subframe unit can be implemented with reference to the connected mode shown in figure 5.
It should be noted that each pixel cell after a frame Umklapp process completes in liquid crystal panel carries out a reversal of poles.And in the concrete process implemented, no matter the reversion of how many times subframe unit being set and which pixel cell is subframe unit comprise, this implementation process is all considered to be the content that the present invention comprises.
In addition, it should be noted is that, the above-mentioned description about polarity is the polarity of pixel voltage for public electrode voltages of the pixel cell that subframe unit comprises, therefore it will be understood by those skilled in the art that the reversal of poles of the pixel cell that subframe unit comprises comprises two kinds of possible situations: the polarity of pixel voltage is changed into by the positive polarity relative to public electrode voltages and changes the positive polarity relative to public electrode voltages relative to the negative polarity of public electrode voltages or the polarity of pixel voltage into by the negative polarity relative to public electrode voltages.
Further, adjacent described subframe unit reverse time interval is identical.Wherein, arranging adjacent subframe unit reverse time interval identical is that therefore adjacent subframe unit reverse time interval is identical is that one is comparatively preferably selected in order to make the control procedure of driving liquid crystal panel become more simple.
Further, the pixel cell of liquid crystal panel that comprises of described subframe unit is non-conterminous mutually.It should be noted that, subframe unit comprises at least one pixel cell in liquid crystal panel, if the pixel cell that subframe unit comprises is adjacent, adjacent pixel cell may influence each other when reversal of poles, the situation of flicker and data-crosstalk is caused to occur, therefore, the pixel cell of liquid crystal panel that comprises of subframe unit is non-conterminous is mutually that one is comparatively preferably selected.
Further, the polarity of described subframe unit is the polarity of pixel voltage relative to public electrode voltages of the pixel cell that described subframe unit comprises.
The liquid crystal panel drive method that the embodiment of the present invention provides, by arranging the reversion of several times subframe unit in frame reversion, subframe unit comprises at least one pixel cell in liquid crystal panel, subframe unit reversion comprises the polarity of inverted rotor frame unit, each pixel cell in liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes, thus decrease the situation that liquid crystal panel produces flicker and crosstalk, improve the display effect of liquid crystal panel and display device.
Further, as a kind of embodiment of the embodiment of the present invention, as shown in Figures 5 to 7, described liquid crystal panel comprises grid line 1, data line 2, thin film transistor (TFT) 3, pixel cell 4, drive element of the grid 5, data drive unit 6 etc., each pixel cell 4 connects a thin film transistor (TFT) 3, wherein, the first row grid line is connected with the odd column thin film transistor (TFT) of the first row pixel cell, last column grid line is connected with the even column thin film transistor (TFT) of last column pixel cell, remaining row grid line is connected with the odd column thin film transistor (TFT) of be expert at pixel cell and remaining row grid line is connected with the even column thin film transistor (TFT) of adjacent lastrow pixel cell, the pixel cell be connected with odd-numbered line grid line is the first subframe unit, the pixel cell be connected with even number line grid line is the second subframe unit.Frame reversion comprises the first subframe unit reversion and the reversion of the second subframe unit.
For example, for liquid crystal panel as shown in Figure 5, the course of work of liquid crystal panel can be understood as: drive element of the grid 5 is for providing control signal, this control signal opens corresponding thin film transistor (TFT) 3 by grid line 1, then data drive unit 6 is for providing display data, and these display data are transferred to pixel cell 4 by data line 2 and carry out image display.Display data comprise the positive-negative polarity information of data message and data.In order to the easier understanding embodiment of the present invention, do not consider the concrete condition of data message at this, and be only described with the positive-negative polarity of data.
It should be noted that, due to the difference in liquid crystal panel design, wherein there is multiple possibility situation in the connected mode of grid line, data line, thin film transistor (TFT) and pixel cell.Therefore carrying out in sub-frame drive procedure to liquid crystal panel, not only to consider the driver' s timing of liquid crystal panel, also need in conjunction with in liquid crystal panel that between grid line, data line, thin film transistor (TFT) and pixel cell, connected mode is on the impact of driver' s timing, structural union is corresponding with Control timing sequence to reach the object of carrying out sub-frame drive.And the description of driver' s timing relevant in the structure of liquid crystal panel as described in Fig. 5 to Fig. 7 and the present embodiment, only in order to those skilled in the art conveniently understand the embodiment of the present invention, be not limitation of the invention further.
Concrete, to comprise the liquid crystal panel of four lines grid line four column data line, as shown in Figure 5, first liquid crystal panel carries out the display of the first two field picture, and the charge polarity now showing image in liquid crystal panel in each pixel cell 4 is just; Liquid crystal panel is driven with frame inversion driving mode, frame reversion comprises the first subframe unit reversion and the reversion of the second subframe unit, wherein, the first subframe unit is the pixel cell be connected with odd-numbered line grid line, and the second subframe unit is the pixel cell be connected with even number line grid line.First, liquid crystal panel t1 moment after the first frame starts starts the first subframe unit reversion, in conjunction with liquid crystal panel as shown in Figure 5, its driving process can be described as, liquid crystal panel is in the first subframe unit Umklapp process, drive element of the grid 5 provides control signal, controls to open the thin film transistor (TFT) 3 be connected with odd-numbered line grid line 1, and data drive unit 6 provides the data message of negative polarity.Therefore the first subframe unit receives the data message of this negative polarity and reversal of poles occurs, and the pixel cell of all the other positions remains unchanged, and now liquid crystal panel as shown in Figure 6.
Then, liquid crystal panel t2 moment after the first frame starts starts the second subframe reversion, in conjunction with liquid crystal panel as shown in Figure 6, its driving process can be described as, liquid crystal panel is in the second subframe unit Umklapp process, drive element of the grid 5 provides control signal, controls to open the thin film transistor (TFT) 3 be connected with even number line grid line 1, and data drive unit 6 provides the data message of negative polarity.Therefore the second subframe unit receives the data message of negative polarity and reversal of poles occurs, and the pixel cell of all the other positions remains unchanged, and now liquid crystal panel as shown in Figure 7.After the first subframe unit reversion and the reversion of the second subframe unit, liquid crystal panel completes a frame Umklapp process.
It should be noted that, each pixel cell in liquid crystal panel has carried out the reversion of a polarity after a frame Umklapp process completes.And it will be appreciated by those skilled in the art that, the description of the above-mentioned structure about liquid crystal panel is only the understanding embodiment of the present invention liquid crystal panel drive method in order to be more prone to, and be not limitation of the invention further, in fact, the structure of embodiment of the present invention liquid crystal panel can be adjusted according to actual needs by staff, does not repeat at this.
The liquid crystal panel drive method that the embodiment of the present invention provides, by arranging the reversion of several times subframe unit in frame reversion, subframe unit comprises at least one pixel cell in liquid crystal panel, subframe unit reversion comprises the polarity of inverted rotor frame unit, each pixel cell in liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes, thus decrease the situation that liquid crystal panel produces flicker and crosstalk, improve the display effect of liquid crystal panel and display device.
On the other hand, the embodiment of the present invention additionally provides a kind of liquid crystal panel, this liquid crystal panel have employed the above-mentioned liquid crystal panel drive method mentioned, its driving method can refer to the description for driving method in above-described embodiment, the structure of the liquid crystal panel of described driving method is adopted to have a variety of, when wherein adopting the reversion of described frame to comprise the liquid crystal panel of two subframe unit reversions, described liquid crystal panel comprises grid line, data line, thin film transistor (TFT), pixel cell, each pixel cell connects a thin film transistor (TFT), described in the odd column of grid line described in the first row and pixel cell described in the first row, thin film transistor (TFT) is connected, described in the even column of grid line described in last column and pixel cell described in last column, thin film transistor (TFT) is connected, thin film transistor (TFT) described in the odd column of grid line described in remaining row and be expert at described pixel cell is connected and described in the even column of grid line described in remaining row and pixel cell described in adjacent lastrow, thin film transistor (TFT) is connected.
The liquid crystal panel that the embodiment of the present invention provides, wherein reverse by arranging several times subframe unit in frame reversion in liquid crystal panel driving process, subframe unit comprises at least one pixel cell in liquid crystal panel, subframe unit reversion comprises the polarity of inverted rotor frame unit, each pixel cell in liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes, thus decrease the situation that liquid crystal panel produces flicker and crosstalk, improve the display effect of liquid crystal panel and display device.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (6)
1. a liquid crystal panel drive method, described liquid crystal panel comprises multiple pixel cell, drive element of the grid and data drive unit, and described liquid crystal panel adopts frame inversion driving mode display graphics, it is characterized in that, described frame reversion comprises the reversion of several times subframe unit, described subframe unit comprises at least one pixel cell in described liquid crystal panel, described subframe unit reversion is used for being reversed by the polarity of data drive unit to described subframe unit under the control of described drive element of the grid, each pixel cell in described liquid crystal panel carries out a reversal of poles after a frame Umklapp process completes.
2. liquid crystal panel drive method according to claim 1, it is characterized in that, described liquid crystal panel also comprises grid line, data line, thin film transistor (TFT), each pixel cell connects a thin film transistor (TFT), described in the odd column of grid line described in the first row and pixel cell described in the first row, thin film transistor (TFT) is connected, described in the even column of grid line described in last column and pixel cell described in last column, thin film transistor (TFT) is connected, thin film transistor (TFT) described in the odd column of grid line described in remaining row and be expert at described pixel cell is connected and described in the even column of grid line described in remaining row and pixel cell described in adjacent lastrow, thin film transistor (TFT) is connected, the described pixel cell be connected with described odd-numbered line grid line is the first subframe unit, the described pixel cell be connected with described even number line grid line is the second subframe unit,
Described frame reversion comprises the first subframe unit reversion and the reversion of the second subframe unit.
3. liquid crystal panel drive method according to claim 1, is characterized in that, the time interval of adjacent described subframe unit reversion is identical.
4. liquid crystal panel drive method according to claim 1, is characterized in that, the pixel cell of the liquid crystal panel that described subframe unit comprises is non-conterminous mutually.
5. liquid crystal panel drive method according to claim 1, is characterized in that, the polarity of described subframe unit is the polarity of pixel voltage relative to public electrode voltages of the pixel cell that described subframe unit comprises.
6. one kind adopts the liquid crystal panel of driving method as claimed in claim 1, it is characterized in that, described liquid crystal panel comprises grid line, data line, thin film transistor (TFT), pixel cell, each pixel cell connects a thin film transistor (TFT), described in the odd column of grid line described in the first row and pixel cell described in the first row, thin film transistor (TFT) is connected, described in the even column of grid line described in last column and pixel cell described in last column, thin film transistor (TFT) is connected, thin film transistor (TFT) described in the odd column of grid line described in remaining row and be expert at described pixel cell is connected and described in the even column of grid line described in remaining row and pixel cell described in adjacent lastrow, thin film transistor (TFT) is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310214122.6A CN103293732B (en) | 2013-05-31 | 2013-05-31 | Liquid crystal panel drive method and liquid crystal panel |
| PCT/CN2013/081969 WO2014190627A1 (en) | 2013-05-31 | 2013-08-21 | Drive method for liquid crystal panel, and liquid crystal panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310214122.6A CN103293732B (en) | 2013-05-31 | 2013-05-31 | Liquid crystal panel drive method and liquid crystal panel |
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| CN103293732A CN103293732A (en) | 2013-09-11 |
| CN103293732B true CN103293732B (en) | 2015-11-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103399440A (en) * | 2013-08-08 | 2013-11-20 | 京东方科技集团股份有限公司 | Array substrate, display device and drive method |
| CN105096852B (en) * | 2015-06-19 | 2018-07-24 | 深圳市华星光电技术有限公司 | The driving method that polarity for liquid crystal display panel inverts |
| CN104934006B (en) * | 2015-07-01 | 2017-09-29 | 京东方科技集团股份有限公司 | Display panel and its driving method, display device |
| CN106782390A (en) * | 2016-12-30 | 2017-05-31 | 深圳市华星光电技术有限公司 | Method, display panel and device for driving display panel |
| CN108169970B (en) * | 2018-01-02 | 2022-02-18 | 京东方科技集团股份有限公司 | Display substrate, driving method thereof and display device |
| KR102037958B1 (en) * | 2018-06-27 | 2019-11-26 | 한국과학기술원 | Multiplex Gene Expression Inhibition System based on Synthetic Regulatory Small RNA and Method of Preparing the Same |
| CN111768743B (en) * | 2020-07-30 | 2022-11-25 | 京东方科技集团股份有限公司 | Polarity inversion method and device of liquid crystal display and liquid crystal display |
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| KR101374103B1 (en) * | 2007-06-12 | 2014-03-13 | 엘지디스플레이 주식회사 | Liquid crystal display device and driving method thereof |
| CN101609651B (en) * | 2008-06-18 | 2012-02-29 | 北京京东方光电科技有限公司 | Method and device for driving voltage polarity reversal by liquid crystal panel |
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| CN103293732A (en) | 2013-09-11 |
| WO2014190627A1 (en) | 2014-12-04 |
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