CN103135295B - The pixels across structure that bigrid drives and liquid crystal display - Google Patents
The pixels across structure that bigrid drives and liquid crystal display Download PDFInfo
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- CN103135295B CN103135295B CN201110388473.XA CN201110388473A CN103135295B CN 103135295 B CN103135295 B CN 103135295B CN 201110388473 A CN201110388473 A CN 201110388473A CN 103135295 B CN103135295 B CN 103135295B
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Abstract
The invention discloses pixels across structure and the liquid crystal display of the driving of a kind of bigrid.By arranging two main pixel regions a repetitive correspondence, in each main pixel region, three vertically adjacent pixel cells are set, and in the vertical, the arrangement of the sub-pixel of each self-contained three primary colours in three pixels that each main pixel region is arranged is different, and ensure that last sub-pixel in three described pixel cells is the sub-pixel of different base colors, namely ensure to allow the sub-pixel of three kinds of primary colours lay respectively at the below of each pixel cell, so that in the process driven by reversal of poles, make the red sub-pixels in three pixel cells in longitudinal same main pixel region, green sub-pixel, blue sub-pixel is coupled respectively and bleaches, thus three colors are affected simultaneously, improve the situation occurring colour cast, reduce the defects of vision of whole liquid crystal display.
Description
Technical field
The present invention relates to display technique field, especially relate to pixels across structure and the liquid crystal display of the driving of a kind of bigrid.
Background technology
In the prior art, liquid crystal display mainly comprises display panels, gate driver circuit and source electrode drive circuit.Display panels is made up of by the arrangement of m capable n row multiple pixel cell in the prior art, and its resolution is m × n.Wherein, the pixel be made up of R (redness), G (green), B (blueness) three sub-pixels is respectively a repetitive, a repetitive comprises three data lines, each sub-pixel controls by a gate line, namely adopts the type of drive of single grid.But when adopting the display panels of above-mentioned single raster data model pixel, the duration of charging of each pixel and pixel aperture ratio are not very high, and its source driving chip adopted is also a lot, thus causes the increase of cost and power consumption.
Therefore, in order to take into account the duration of charging and pixel aperture ratio that increase pixel, reducing the use number of source driving chip, reducing the cost of manufacture and using power consumption, propose a kind of bigrid in the prior art and drive pixels across.Wherein, as shown in Figure 1, two laterally adjacent pixel cells are comprised in a repetitive A, and controlled by two gate lines and three data lines, one of them pixel cell comprises again three sub-pixels respectively, three sub-pixels arrange along data line and distinguish the different color of corresponding RGB, to form pixel.
But in the vertical, owing to there is no gate line between neighbouring two pixels, namely the nethermost sub-pixel of topmost pixel (B sub-pixel) and lower pixel adjacent with it topmost on sub-pixel (R sub-pixel) distance very near, owing to easily producing stray capacitance apart from time very little between pixel electrode, and neighbouring two sub-pixels (B sub-pixel and R sub-pixel) are successively chargings, the sub-pixel later charged can produce capacitance coupling effect to the sub-pixel first charged, and the pixel voltage first charged is changed.From existing some inversion mode shown in accompanying drawing 2, polarity "+" polarity (high level) that when point reversion drives, each sub-pixel correspondence is endowed or "-" polarity (low level), between there are two sub-pixels of stray capacitance polarity be in inverse state always, can be dragged down when B sub-pixel is in positive polarity, can be driven high when being in negative polarity, now, B sub-pixel will bleach, and make display panels occur colour cast.
It can thus be appreciated that, the pixels across structure adopting bigrid of the prior art to drive, in a process that reversion drives, easily makes to produce interference between neighbor, thus the normal display state between the nearer sub-pixel of destruction range, make to show colour cast, cause the defects of vision.
Summary of the invention
The pixels across structure that the embodiment of the present invention provides a kind of bigrid to drive and liquid crystal display, with overcome bigrid of the prior art drive pixels across neighbor between exist interference, the normal display state of the sub-pixel that destruction range is nearer, causes the problem of the defects of vision.
In view of this, the embodiment of the present invention provides following technical scheme:
The pixels across structure that bigrid drives, comprises repetitive, and a described repetitive comprises laterally the first adjacent main pixel region and the second main pixel region;
Described first main pixel region and the second main pixel region comprise vertical three adjacent pixel cells respectively, and described pixel cell comprises the sub-pixel of three primary colours respectively;
The difference that puts in order in the sub-pixel of described three primary colours three pixel cells in same main pixel region, and last sub-pixel in three described pixel cells is the sub-pixel of different base colors;
The thin film transistor (TFT) that arrange corresponding to each described sub-pixel;
Six gate lines of horizontally set, with three data lines of described six gate line square crossings;
Wherein, the source electrode of six described thin film transistor (TFT)s is electrically connected with a data line, and the grid of six thin film transistor (TFT)s of same data line electrical connection is alternately electrically connected from different gate lines respectively; Wherein, the thin film transistor (TFT) that different data lines is electrically connected is different.
Preferably, described pixel cell can for comprising three pixel cells of red, green, blue or other random colors.
Preferably, described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
First sub-pixel of described first pixel cell and the 4th pixel cell is red sub-pixels, and second vertically adjacent sub-pixel is green sub-pixel, and the 3rd vertically adjacent sub-pixel is blue sub-pixel;
First sub-pixel of described second pixel cell and the 5th pixel cell is green sub-pixel, and second vertically adjacent sub-pixel is blue sub-pixel, and the 3rd vertically adjacent sub-pixel is red sub-pixels;
First sub-pixel of described 3rd pixel cell and the 6th pixel cell is blue sub-pixel, and second vertically adjacent sub-pixel is red sub-pixels, and the 3rd vertically adjacent sub-pixel is green sub-pixel.
Preferably, described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
First sub-pixel of described first pixel cell and the 4th pixel cell is blue sub-pixel, and second vertically adjacent sub-pixel is red sub-pixels, and the 3rd vertically adjacent sub-pixel is green sub-pixel;
First sub-pixel of described second pixel cell and the 5th pixel cell is red sub-pixels, and second vertically adjacent sub-pixel is green sub-pixel, and the 3rd vertically adjacent sub-pixel is blue sub-pixel;
First sub-pixel of described 3rd pixel cell and the 6th pixel cell is green sub-pixel, and second vertically adjacent sub-pixel is blue sub-pixel, and the 3rd vertically adjacent sub-pixel is red sub-pixels.
Preferably, described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
First sub-pixel of described first pixel cell and the 4th pixel cell is green sub-pixel, and second vertically adjacent sub-pixel is blue sub-pixel, and the 3rd vertically adjacent sub-pixel is red sub-pixels;
First sub-pixel of described second pixel cell and the 5th pixel cell is blue sub-pixel, and second vertically adjacent sub-pixel is red sub-pixels, and the 3rd vertically adjacent sub-pixel is green sub-pixel;
First sub-pixel of described 3rd pixel cell and the 6th pixel cell is red sub-pixels, and second vertically adjacent sub-pixel is green sub-pixel, and the 3rd vertically adjacent sub-pixel is blue sub-pixel.
Preferably, described six articles of gate lines comprise: tactic first grid polar curve, second gate line, the 3rd gate line, the 4th gate line, the 5th gate line and the 6th gate line; Described three articles of data lines comprise: tactic first data line, the second data line and the 3rd data line;
Wherein, the region that described first data line, the second data line and described six gate lines are formed is described first main pixel region; The region that described second data line, the 3rd data line and described six articles of gate lines are formed is described second main pixel region.
Preferably, described six articles of gate lines comprise: tactic first grid polar curve, second gate line, the 3rd gate line, the 4th gate line, the 5th gate line and the 6th gate line; Described three articles of data lines comprise: tactic first data line, the second data line and the 3rd data line;
Described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
The grid of the thin film transistor (TFT) that first sub-pixel in described first pixel cell, first sub-pixel in the 4th pixel cell and second sub-pixel are corresponding is electrically connected with described first grid polar curve;
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described first pixel cell and the 3rd sub-pixel, the 4th pixel cell is electrically connected with described second gate line;
In described second pixel cell and the 5th pixel cell, the 3rd pixel cell and the 6th pixel cell, the grid of the thin film transistor (TFT) that each sub-pixel is corresponding is adopted and is electrically connected with described 3rd gate line, described 4th gate line, described 5th gate line and described 6th gate line respectively successively in a like fashion.
Preferably, described six articles of gate lines comprise: tactic first grid polar curve, second gate line, the 3rd gate line, the 4th gate line, the 5th gate line and the 6th gate line; Described three articles of data lines comprise: tactic first data line, the second data line and the 3rd data line;
The source electrode of the thin film transistor (TFT) that first sub-pixel in described first pixel cell, second sub-pixel are corresponding, first sub-pixel respective in described second pixel cell and the 3rd pixel cell, the source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding, be all electrically connected with described first data line;
The source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in described first pixel cell, the source electrode of the thin film transistor (TFT) that second sub-pixel respective in described second pixel cell and the 3rd pixel cell is corresponding, the source electrode of the thin film transistor (TFT) that first sub-pixel respective in described 4th pixel cell, the 5th pixel cell and the 6th pixel cell is corresponding, is all electrically connected with described second data line;
Second sub-pixel respective in described 4th pixel cell, described 5th pixel cell and the 6th pixel cell, the source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding, be all electrically connected with described 3rd data line.
A kind of liquid crystal display, comprise display panels, gate driver circuit and source electrode drive circuit, described display panels comprises first substrate, second substrate and the liquid crystal layer between first substrate and second substrate, wherein, described first substrate is provided with the pixels across structure that above-mentioned bigrid drives.
A driving method for the pixels across that bigrid drives, is applicable to the pixels across structure that above-mentioned bigrid drives, comprises:
In each preset time period, only open a gate line, and send signal to the thin-film transistor gate of the sub-pixel connecting this gate line, and the gate line opened in adjacent preset time period is opposite polarity;
For adjacent repetitive, first repetitive opens data line in described each preset time period, within the current preset time period, receive sub-pixel input positive signal or the minus polarity signal of signal, make the corresponding opposite polarity of vertically adjacent sub-pixel unit;
Second repetitive then performs inverse operation, and the polarity of the sub-pixel making the polarity of each sub-pixel in described second repetitive corresponding with described first repetitive is contrary.
Preferably, comprising:
In the horizontal direction, initial by first sub-pixel, be one group with adjacent two sub-pixels, the data line of the sub-pixel electrical connection of adjacent sets inputs opposite polarity polarity signal;
In vertical direction, the data line of adjacent two sub-pixels electrical connection inputs opposite polarity polarity signal.
Known via above-mentioned technical scheme, compared with prior art, the invention discloses pixels across structure and the liquid crystal display of a kind of bigrid driving.By arranging two main pixel regions a repetitive correspondence, in each main pixel region, three vertically adjacent pixel cells are set, and in the vertical, each self-contained primary colours in three pixels that each main pixel region is arranged are red, green, the arrangement of blue sub-pixel is different, and ensure that last sub-pixel in three described pixel cells is the sub-pixel of different base colors, namely ensure to allow red sub-pixels, green sub-pixel, blue sub-pixel lays respectively at the below of each pixel cell, so that in the process driven by reversal of poles, make the red sub-pixels in three pixel cells in longitudinal same main pixel region, green sub-pixel, blue sub-pixel is coupled respectively and bleaches, thus the voltage disturbance between the sub-pixel of reduction close together, improve the situation occurring colour cast, reduce the defects of vision of whole liquid crystal display.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, 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 the structural representation of a part of liquid crystal display that a kind of bigrid pixels across of the prior art is formed;
Fig. 2 is the prior art polarity schematic diagram that parton pixel is corresponding when driving;
The structural representation of Fig. 3 pixels across that a kind of bigrid drives disclosed in the embodiment of the present invention;
The structural representation of Fig. 4 pixels across that a kind of bigrid drives disclosed in example one of the present invention;
The structural representation of Fig. 5 pixels across that a kind of bigrid drives disclosed in example two of the present invention;
The structural representation of Fig. 6 pixels across that a kind of bigrid drives disclosed in example three of the present invention;
The driving method process flow diagram of Fig. 7 pixels across that bigrid drives disclosed in the embodiment of the present invention.
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.
From background technology, a kind of bigrid proposed in the prior art drives pixels across, two laterally adjacent pixel cells are comprised in its repetitive, and controlled by two gate lines and three data lines, one of them pixel cell comprises again three sub-pixels respectively, three sub-pixels arrange along data line and distinguish the different color of corresponding RGB, to form pixel.But, owing to there is no gate line between neighbouring two pixels, when distance is less, easily stray capacitance is produced between pixel electrode, and because two neighbouring sub-pixels are successively chargings, the sub-pixel later charged can produce capacitance coupling effect to the sub-pixel first charged, and the pixel voltage first charged is changed.Contrary according to interactional two the pixel polarity of existing inversion mode always, and the pixel voltage of rear charging can make the pixel voltage first charged change, thus the normal display state destroyed between adjacent sub-pixel, what make whole liquid crystal display shows colour cast, causes the defects of vision.Such as, dragged down during blue pixel positive polarity, negative polarity time be driven high, blue pixel will bleach, screen there will be colour cast.
Therefore, the embodiment of the invention discloses the pixels across structure that a kind of bigrid drives, by arranging two main pixel regions a repetitive correspondence, in each main pixel region, three vertically adjacent pixel cells are set, and in the vertical, three pixels that each main pixel region is arranged comprise three primary colours, in three pixels primary colours put in order different, and ensure that last sub-pixel in three described pixel cells is the sub-pixel of different base colors, namely ensure to allow the sub-pixel of three kinds of different base colors lay respectively at the below of each pixel cell, so that in the process driven by reversal of poles, the sub-pixel of three kinds of different base colors in three pixel cells in longitudinal same main pixel region is coupled respectively bleach, thus three colors are affected simultaneously, improve the situation occurring colour cast, reduce the defects of vision of whole liquid crystal display.Concrete structure and driving process are described in detail by following examples.
Embodiment
Display panels, gate driver circuit and source electrode drive circuit is mainly comprised in the present invention based on liquid crystal display.This display panels is made up of the pixel cell that multiple bigrid is transversely arranged.As shown in Figure 3, be the structure of the repetitive that repetitive cycling on whole display panels arranges, mainly comprise:
A repetitive comprises the first laterally adjacent main pixel region 11 and the second main pixel region 12.
Vertical three adjacent pixel cells are comprised respectively in this first main pixel region 11 with the second main pixel region 12, totally six pixel cells, and six pixel cells then distribute according to main pixel region, longitudinally three pixel cells are row, are laterally two adjacent row.
Wherein, the sub-pixel that primary colours are R (red), G (green), B (indigo plant) is comprised in each pixel cell respectively.Further, for the difference that puts in order of R sub-pixel, G sub-pixel and the B sub-pixel in three pixel cells in same main pixel region, and last sub-pixel in three described pixel cells is the sub-pixel of different base colors; That is, for the primary colours of the last sub-pixel of three pixel cells in same main pixel region can be the combination in any of RGB.
Thin film transistor (TFT) is provided with for each described sub-pixel correspondence, for a main pixel region in a repetitive, have nine thin film transistor (TFT)s, and each thin film transistor (TFT) comprises source electrode, drain and gate.
Three data lines (S1, S2, S3) of six gate lines (G1, G2, G3, G4, G5, G6) of horizontally set and order homeotropic alignment, and gate lines G 1 ~ G6 respectively with data line S1 ~ S3 square crossing.
Wherein, six articles of gate lines of fair line arrangement are specially: first grid polar curve G1, second gate line G2, the 3rd gate lines G 3, the 4th gate lines G 4, the 5th gate lines G 5 and the 6th gate lines G 6; Described three articles of data lines comprise: tactic first data line S1, the second data line S2 and the 3rd data line S3.Further, the region be made up of described first data line S1, the second data line S2 and described six gate lines (G1, G2, G3, G4, G5, G6) is described first main pixel region 11; The region that described second data line S2, the 3rd data line S3 and described six articles of gate lines (G1, G2, G3, G4, G5, G6) are formed is described second main pixel region 12.
In the main pixel region formed, the thin film transistor (TFT) that sub-pixel unit in respective pixel cell is corresponding, the source electrode of every six described thin film transistor (TFT)s is electrically connected with a data line, and the grid of six thin film transistor (TFT)s of same data line electrical connection is alternately electrically connected from different gate lines respectively; Wherein, the thin film transistor (TFT) that different data lines is electrically connected is different.
Known for structure disclosed in the invention described above embodiment, in the vertical, ensure that last sub-pixel in three described pixel cells is the sub-pixel of different base colors, namely ensure to allow R sub-pixel, G sub-pixel, B sub-pixel lays respectively at the below of each pixel cell, in the process driven by reversal of poles, make the R sub-pixel in three pixel cells in longitudinal same main pixel region, G sub-pixel, B sub-pixel is coupled respectively and bleaches, thus three colors are affected simultaneously, the situation occurring colour cast is improved from macroscopic perspective, reduce the defects of vision of whole liquid crystal display.
For the difference that puts in order for R sub-pixel, G sub-pixel and the B sub-pixel in three pixel cells in same main pixel region disclosed in foregoing invention embodiment, and last sub-pixel in three described pixel cells is the setting of the sub-pixel of different base colors, concrete arrangement mode, and the structure that concrete gate line (G1, G2, G3, G4, G5, G6) is electrically connected with each thin film transistor (TFT) with data line (S1, S2, S3), can be described in detail by following example.
Example one
As shown in Figure 4, on the basis of the invention described above the disclosed embodiments, described first main pixel region 11 comprises the first pixel cell 1, second pixel cell 2 and the 3rd pixel cell 3; Described second main pixel region 12 comprises the 4th pixel cell 4, the 5th pixel cell 5 and the 6th pixel cell 6.
Wherein, first sub-pixel of described first pixel cell 1 and the 4th pixel cell 4 is R sub-pixel, and second vertically adjacent sub-pixel is G sub-pixel, and the 3rd vertically adjacent sub-pixel is B sub-pixel.That is, in the first pixel cell 1 and the 4th pixel cell 4, the arrangement of each self-contained sub-pixel is all RGB.
First sub-pixel of described second pixel cell 2 and the 5th pixel cell 5 is G sub-pixel, and second vertically adjacent sub-pixel is B sub-pixel, and the 3rd vertically adjacent sub-pixel is R sub-pixel.That is, in the second pixel cell 2 and the 5th pixel cell 5, the arrangement of each self-contained sub-pixel is all GBR.
First sub-pixel of described 3rd pixel cell 3 and the 6th pixel cell 6 is B sub-pixel, and second vertically adjacent sub-pixel is R sub-pixel, and the 3rd vertically adjacent sub-pixel is G sub-pixel.That is, in the 3rd pixel cell 3 and the 6th pixel cell 6, the arrangement of each self-contained sub-pixel is all BRG.
Above-mentioned known thus, for the first pixel cell 1, second pixel cell 2 and the 3rd pixel cell 3 of same main pixel region, its last sub-pixel is respectively B, R, G, is the sub-pixel of three different base colors.
Example two
As shown in Figure 5, on the basis of the invention described above the disclosed embodiments, described first main pixel region 11 comprises the first pixel cell 1, second pixel cell 2 and the 3rd pixel cell 3; Described second main pixel region 12 comprises the 4th pixel cell 4, the 5th pixel cell 5 and the 6th pixel cell 6.
Wherein, first sub-pixel of described first pixel cell 1 and the 4th pixel cell 4 is B sub-pixel, and second vertically adjacent sub-pixel is R sub-pixel, and the 3rd vertically adjacent sub-pixel is G sub-pixel.That is, in the first pixel cell 1 and the 4th pixel cell 4, the arrangement of each self-contained sub-pixel is all BRG.
First sub-pixel of described second pixel cell 2 and the 5th pixel cell 5 is R sub-pixel, and second vertically adjacent sub-pixel is G sub-pixel, and the 3rd vertically adjacent sub-pixel is B sub-pixel.That is, in the second pixel cell 2 and the 5th pixel cell 5, the arrangement of each self-contained sub-pixel is all RGB.
First sub-pixel of described 3rd pixel cell 3 and the 6th pixel cell 6 is G sub-pixel, and second vertically adjacent sub-pixel is B sub-pixel, and the 3rd vertically adjacent sub-pixel is R sub-pixel.That is, in the 3rd pixel cell 3 and the 6th pixel cell 6, the arrangement of each self-contained sub-pixel is all GBR.
Above-mentioned known thus, for the first pixel cell 1, second pixel cell 2 and the 3rd pixel cell 3 of same main pixel region, its last sub-pixel is respectively G, B, R, is the sub-pixel of three different base colors.
Example three
As shown in Figure 6, on the basis of the invention described above the disclosed embodiments, described first main pixel region 11 comprises the first pixel cell 1, second pixel cell 2 and the 3rd pixel cell 3; Described second main pixel region 12 comprises the 4th pixel cell 4, the 5th pixel cell 5 and the 6th pixel cell 6.
Wherein, first sub-pixel of described first pixel cell 1 and the 4th pixel cell 4 is G sub-pixel, and second vertically adjacent sub-pixel is B sub-pixel, and the 3rd vertically adjacent sub-pixel is R sub-pixel.That is, in the first pixel cell 1 and the 4th pixel cell 4, the arrangement of each self-contained sub-pixel is all GBR.
First sub-pixel of described second pixel cell 2 and the 5th pixel cell 5 is B sub-pixel, and second vertically adjacent sub-pixel is R sub-pixel, and the 3rd vertically adjacent sub-pixel is G sub-pixel.That is, in the second pixel cell 2 and the 5th pixel cell 5, the arrangement of each self-contained sub-pixel is all BRG.
First sub-pixel of described 3rd pixel cell 3 and the 6th pixel cell 6 is R sub-pixel, and second vertically adjacent sub-pixel is G sub-pixel, and the 3rd vertically adjacent sub-pixel is B sub-pixel.That is, in the 3rd pixel cell 3 and the 6th pixel cell 6, the arrangement of each self-contained sub-pixel is all RGB.
Above-mentioned known thus, for the first pixel cell 1, second pixel cell 2 and the 3rd pixel cell 3 of same main pixel region, its last sub-pixel is respectively R, G, B, is the sub-pixel of three different base colors.
It should be noted that, above-mentioned example one ~ example three is the arrangement mode of parton pixel disclosed in the embodiment of the present invention, for sub-pixel disclosed in this invention arrangement architecture including but not limited to the arrangement mode of above-mentioned example one ~ example three, as long as meet the difference that puts in order of R sub-pixel, G sub-pixel and the B sub-pixel in three pixel cells, and last sub-pixel in three described pixel cells is the setting of the sub-pixel of different base colors.
The same structure be electrically connected for the thin film transistor (TFT) that gate line (G1, G2, G3, G4, G5, G6) is corresponding with each sub-pixel with data line (S1, S2, S3):
For the connection of gate line, each pixel cell is controlled by two gate lines.
As shown in Figure 3, the grid of the thin film transistor (TFT) that first sub-pixel in described first pixel cell 1, first sub-pixel in the 4th pixel cell 4 and second sub-pixel are corresponding is electrically connected with described first grid polar curve G1.
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described first pixel cell 1 and the 3rd sub-pixel, the 4th pixel cell 4 is electrically connected with described second gate line G2.
In described second pixel cell 2 and the 5th pixel cell 5, the 3rd pixel cell 3 and the 6th pixel cell 6, the grid of the thin film transistor (TFT) that each sub-pixel is corresponding is adopted and is electrically connected with described 3rd gate lines G 3, described 4th gate lines G 4, described 5th gate lines G 5 and described 6th gate lines G 6 respectively successively in a like fashion.
That is, the grid of the thin film transistor (TFT) that first sub-pixel in described second pixel cell 2, first sub-pixel in the 5th pixel cell 5 and second sub-pixel are corresponding is electrically connected with described 3rd gate lines G 3.
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described second pixel cell 2 and the 3rd sub-pixel, the 5th pixel cell 5 is electrically connected with described 4th gate lines G 4.
That is, the grid of the thin film transistor (TFT) that first sub-pixel in described 3rd pixel cell 3, first sub-pixel in the 6th pixel cell 6 and second sub-pixel are corresponding is electrically connected with described 5th gate lines G 5.
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described 3rd pixel cell 3 and the 3rd sub-pixel, the 6th pixel cell 6 is electrically connected with described 6th gate lines G 6.
For the connection of data line, each pixel cell carries out the input of data and electrode signal by three data lines.
As shown in Figure 3, the source electrode of the thin film transistor (TFT) that first sub-pixel in described first pixel cell 1, second sub-pixel are corresponding, first sub-pixel respective in described second pixel cell 2 and the 3rd pixel cell 3, the source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding, be all electrically connected with described first data line S1.
The source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in described first pixel cell 1, the source electrode of the thin film transistor (TFT) that second sub-pixel respective in described second pixel cell 2 and the 3rd pixel cell 3 is corresponding, the source electrode of the thin film transistor (TFT) that first sub-pixel respective in described 4th pixel cell 4, the 5th pixel cell 5 and the 6th pixel cell 6 is corresponding, is all electrically connected with described second data line S2;
Second sub-pixel respective in described 4th pixel cell 4, described 5th pixel cell 5 and the 6th pixel cell 6, the source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding, be all electrically connected with described 3rd data line S3.
From the above, in the pixels across structure that a kind of bigrid disclosed by the invention drives, the source electrode of six described thin film transistor (TFT)s is electrically connected with a data line, and the grid of six thin film transistor (TFT)s of same data line electrical connection is alternately electrically connected from different gate lines respectively; Wherein, the thin film transistor (TFT) that different data lines is electrically connected is different.
It should be noted that, the electric connection mode of thin film transistor (TFT) is not limited to above-mentioned one, as long as the grid meeting the thin film transistor (TFT) of same data line electrical connection is alternately electrically connected from different gate lines respectively; The thin film transistor (TFT) that different data lines is electrically connected is different.
On the basis of the pixels across structure driven based on bigrid a kind of disclosed in the invention described above embodiment, meanwhile, also disclose a kind of liquid crystal display, this liquid crystal display comprises: display panels, gate driver circuit and source electrode drive circuit.Wherein, described display panels comprises first substrate, second substrate and the liquid crystal layer between first substrate and second substrate.The pixels across structure that disclosed in the invention described above embodiment, a kind of bigrid drives then is arranged on this first substrate.
In addition, for ensureing that the pixels across structure driven bigrid a kind of disclosed in the embodiment of the present invention can realize the voltage disturbance reduced between the sub-pixel of close together, improve the situation occurring colour cast, reduce the understanding of the defects of vision of whole liquid crystal display, the driving process further combined with pixels across structure disclosed in above-described embodiment is further detailed.
As shown in Figure 7, the driving method of the pixels across that a kind of bigrid drives disclosed in the embodiment of the present invention, mainly comprises the following steps:
Step S101, only opens a gate line in each preset time period, and sends signal to the thin-film transistor gate of the sub-pixel connecting this gate line.
Step S102, first repetitive opens data line in described each preset time period, receives sub-pixel input positive signal or the minus polarity signal of signal, make the corresponding opposite polarity of vertically adjacent sub-pixel unit within the current preset time period.
Step S103, second repetitive then performs inverse operation, and the polarity of the sub-pixel making the polarity of each sub-pixel in described second repetitive corresponding with described first repetitive is contrary.
In the process performing step S101 to step S103, first repetitive and second repetitive are two adjacent repetitives, in the process of the electrode signal of data line input, in two adjacent repetitives each correspondence sub-pixel unit in input opposite polarity electrode signal.
Concrete is driven successively by said process: in the horizontal direction, initial by first sub-pixel, is one group with adjacent two sub-pixels, and the data line of the sub-pixel electrical connection of adjacent sets inputs opposite polarity polarity signal; In vertical direction, the data line of adjacent two sub-pixels electrical connection inputs opposite polarity polarity signal.
Thus, the structure of the pixels across driven for the concrete a kind of bigrid provided in example one, by the connected mode of above-mentioned gate line, thin film transistor (TFT) that data line is corresponding with each sub-pixel, and above-mentioned type of drive is described.
As shown in Figure 4, the R sub-pixel in described first pixel cell 1, and the grid of R sub-pixel in the 4th pixel cell 4 and thin film transistor (TFT) corresponding to G sub-pixel is electrically connected with described first grid polar curve G1.
G sub-pixel in described first pixel cell 1 and B sub-pixel, and the grid of thin film transistor (TFT) corresponding to B sub-pixel in the 4th pixel cell 4 is electrically connected with described second gate line G2.
G sub-pixel in described second pixel cell 2, and the grid of G sub-pixel in the 5th pixel cell 5 and thin film transistor (TFT) corresponding to B sub-pixel is electrically connected with described 3rd gate lines G 3.
The grid of the thin film transistor (TFT) that the R sub-pixel in the B sub-pixel in described second pixel cell 2 and R sub-pixel, the 5th pixel cell 5 is corresponding is electrically connected with described 4th gate lines G 4.
The grid of the thin film transistor (TFT) that the B sub-pixel in described 3rd pixel cell 3, the B sub-pixel in the 6th pixel cell 6 and R sub-pixel are corresponding is electrically connected with described 5th gate lines G 5.
The grid of the thin film transistor (TFT) that the G sub-pixel in the R sub-pixel in described 3rd pixel cell 3 and G sub-pixel, the 6th pixel cell 6 is corresponding is electrically connected with described 6th gate lines G 6.
The source electrode of the R sub-pixel in described first pixel cell 1 and thin film transistor (TFT) corresponding to G sub-pixel, the G sub-pixel of described second pixel cell 2 and R sub-pixel, and the 3rd pixel cell 3 B sub-pixel and the source electrode of thin film transistor (TFT) corresponding to G sub-pixel, be all electrically connected with described first data line S1.
The source electrode of the thin film transistor (TFT) that the B sub-pixel in described first pixel cell 1 is corresponding, the source electrode of the thin film transistor (TFT) that the B sub-pixel in described second pixel cell 2 is corresponding, the source electrode of the thin film transistor (TFT) that the R sub-pixel in the 3rd pixel cell 3 is corresponding, the source electrode of the thin film transistor (TFT) that the R sub-pixel in described 4th pixel cell 4 is corresponding, the source electrode of the thin film transistor (TFT) that the G sub-pixel in the 5th pixel cell 5 is corresponding, the source electrode of the thin film transistor (TFT) that the B sub-pixel in the 6th pixel cell 6 is corresponding, is all electrically connected with described second data line S2.
The source electrode of the G sub-pixel in described 4th pixel cell 4 and thin film transistor (TFT) corresponding to B sub-pixel, the source electrode of the B sub-pixel in the 5th pixel cell 5 and thin film transistor (TFT) corresponding to R sub-pixel, the source electrode of the R sub-pixel in the 6th pixel cell 6, thin film transistor (TFT) that G sub-pixel is corresponding, is all electrically connected with described 3rd data line S3.
That is, the sub-pixel be connected electrically for the first data line S1 is sequentially successively: R sub-pixel, G sub-pixel, G sub-pixel, R sub-pixel, B sub-pixel, G sub-pixel.
The sub-pixel be electrically connected with it for the second data line S2 is sequentially successively: R sub-pixel, B sub-pixel, G sub-pixel, B sub-pixel, G sub-pixel, R sub-pixel.
The sub-pixel be electrically connected with it for the 3rd data line S3 is sequentially successively: G sub-pixel, B sub-pixel, B sub-pixel, R sub-pixel, R sub-pixel, G sub-pixel.
Based on driving method disclosed by the invention, for three pixel cells in the first main pixel region 11, nine sub-pixel unit (RGB, GBR, BRG), being corresponding in turn to the polar signal inputted by data line is: negative polarity, positive polarity, negative polarity, positive polarity, negative polarity, positive polarity, negative polarity, positive polarity, negative polarity.Do not have gate line between neighbouring two sub-pixels, the order of corresponding respective priority charging, wherein, the B sub-pixel first charged is negative polarity, by after be charged as positive polarity G sub-pixel drag down, be coupled partially white; The R sub-pixel first charged is positive polarity, by after be charged as negative polarity B sub-pixel draw high, be coupled partially white; The G sub-pixel first charged is negative polarity, is dragged down, be coupled partially white by the R sub-pixel being charged as positive polarity after in next repetitive.By above-mentioned known, be positioned at the B sub-pixel of the below of each pixel cell successively, R sub-pixel, G sub-pixel be coupled respectively and bleach, and be cycled to repeat setting based on longitudinal repetitive, can in the compensation macroscopically carrying out colour cast, thus three colors are affected simultaneously, improve the situation occurring colour cast, reduce the defects of vision of whole liquid crystal display.
It should be noted that, above-mentioned for accompanying drawing 4 just a kind of embodiment wherein, as long as ensure in the vertical, the arrangement of the sub-pixel of each self-contained three primary colours in three pixels that each main pixel region is arranged is different, and ensure that last sub-pixel in three described pixel cells is the sub-pixel of different base colors, namely ensure to allow three primary color sub-pixels lay respectively at the below of each pixel cell, so that in the process driven by reversal of poles, different colours sub-pixel in three pixel cells in longitudinal same main pixel region is coupled respectively bleach, thus three colors are affected simultaneously, improve the situation occurring colour cast, reduce the defects of vision of whole liquid crystal display.
Above-mentionedly apply concrete example herein and set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a pixels across structure for bigrid driving, comprises repetitive, it is characterized in that, a described repetitive comprises laterally the first adjacent main pixel region and the second main pixel region;
Described first main pixel region and the second main pixel region comprise vertical three adjacent pixel cells respectively, and described pixel cell comprises the sub-pixel of three primary colours respectively;
The difference that puts in order in the sub-pixel of described three primary colours three pixel cells in same main pixel region, and last sub-pixel in three described pixel cells is the sub-pixel of different base colors;
The thin film transistor (TFT) that arrange corresponding to each described sub-pixel;
Six gate lines of horizontally set, with three data lines of described six gate line square crossings;
Wherein, the source electrode of six described thin film transistor (TFT)s is electrically connected with a data line, and the grid of six thin film transistor (TFT)s of same data line electrical connection is alternately electrically connected from different gate lines respectively; Wherein, the thin film transistor (TFT) that different data lines is electrically connected is different.
2. pixels across structure according to claim 1, is characterized in that, described pixel cell can for comprising three pixel cells of red, green, blue or other random colors.
3. pixels across structure according to claim 1, is characterized in that, described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
First sub-pixel of described first pixel cell and the 4th pixel cell is red sub-pixels, and second vertically adjacent sub-pixel is green sub-pixel, and the 3rd vertically adjacent sub-pixel is blue sub-pixel;
First sub-pixel of described second pixel cell and the 5th pixel cell is green sub-pixel, and second vertically adjacent sub-pixel is blue sub-pixel, and the 3rd vertically adjacent sub-pixel is red sub-pixels;
First sub-pixel of described 3rd pixel cell and the 6th pixel cell is blue sub-pixel, and second vertically adjacent sub-pixel is red sub-pixels, and the 3rd vertically adjacent sub-pixel is green sub-pixel.
4. pixels across structure according to claim 1, is characterized in that, described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
First sub-pixel of described first pixel cell and the 4th pixel cell is blue sub-pixel, and second vertically adjacent sub-pixel is red sub-pixels, and the 3rd vertically adjacent sub-pixel is green sub-pixel;
First sub-pixel of described second pixel cell and the 5th pixel cell is red sub-pixels, and second vertically adjacent sub-pixel is green sub-pixel, and the 3rd vertically adjacent sub-pixel is blue sub-pixel;
First sub-pixel of described 3rd pixel cell and the 6th pixel cell is green sub-pixel, and second vertically adjacent sub-pixel is blue sub-pixel, and the 3rd vertically adjacent sub-pixel is red sub-pixels.
5. pixels across structure according to claim 1, is characterized in that, described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
First sub-pixel of described first pixel cell and the 4th pixel cell is green sub-pixel, and second vertically adjacent sub-pixel is blue sub-pixel, and the 3rd vertically adjacent sub-pixel is red sub-pixels;
First sub-pixel of described second pixel cell and the 5th pixel cell is blue sub-pixel, and second vertically adjacent sub-pixel is red sub-pixels, and the 3rd vertically adjacent sub-pixel is green sub-pixel;
First sub-pixel of described 3rd pixel cell and the 6th pixel cell is red sub-pixels, and second vertically adjacent sub-pixel is green sub-pixel, and the 3rd vertically adjacent sub-pixel is blue sub-pixel.
6. according to the pixels across structure in Claims 1 to 5 described in any one, it is characterized in that, described six articles of gate lines comprise: tactic first grid polar curve, second gate line, the 3rd gate line, the 4th gate line, the 5th gate line and the 6th gate line; Described three articles of data lines comprise: tactic first data line, the second data line and the 3rd data line;
Wherein, the region that described first data line, the second data line and described six gate lines are formed is described first main pixel region; The region that described second data line, the 3rd data line and described six articles of gate lines are formed is described second main pixel region.
7. the pixels across structure according to any one of Claims 1 to 5, is characterized in that, described six articles of gate lines comprise: tactic first grid polar curve, second gate line, the 3rd gate line, the 4th gate line, the 5th gate line and the 6th gate line; Described three articles of data lines comprise: tactic first data line, the second data line and the 3rd data line;
Described first main pixel region comprises the first pixel cell, the second pixel cell and the 3rd pixel cell; Described second main pixel region comprises the 4th pixel cell, the 5th pixel cell and the 6th pixel cell;
The grid of the thin film transistor (TFT) that first sub-pixel in described first pixel cell, first sub-pixel in the 4th pixel cell and second sub-pixel are corresponding is electrically connected with described first grid polar curve;
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described first pixel cell and the 3rd sub-pixel, the 4th pixel cell is electrically connected with described second gate line;
The grid of the thin film transistor (TFT) that first sub-pixel in described second pixel cell, first sub-pixel in the 5th pixel cell and second sub-pixel are corresponding is electrically connected with described 3rd gate line;
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described second pixel cell and the 3rd sub-pixel, the 5th pixel cell is electrically connected with described 4th gate line;
The grid of the thin film transistor (TFT) that first sub-pixel in described 3rd pixel cell, first sub-pixel in the 6th pixel cell and second sub-pixel are corresponding is electrically connected with described 5th gate line;
The grid of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in second sub-pixel in described 3rd pixel cell and the 3rd sub-pixel, the 6th pixel cell is electrically connected with described 6th gate line.
8. pixels across structure according to claim 7, is characterized in that, described six articles of gate lines comprise: tactic first grid polar curve, second gate line, the 3rd gate line, the 4th gate line, the 5th gate line and the 6th gate line; Described three articles of data lines comprise: tactic first data line, the second data line and the 3rd data line;
The source electrode of the thin film transistor (TFT) that first sub-pixel in described first pixel cell, second sub-pixel are corresponding, first sub-pixel respective in described second pixel cell and the 3rd pixel cell, the source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding, be all electrically connected with described first data line;
The source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding in described first pixel cell, the source electrode of the thin film transistor (TFT) that second sub-pixel respective in described second pixel cell and the 3rd pixel cell is corresponding, the source electrode of the thin film transistor (TFT) that first sub-pixel respective in described 4th pixel cell, the 5th pixel cell and the 6th pixel cell is corresponding, is all electrically connected with described second data line;
Second sub-pixel respective in described 4th pixel cell, described 5th pixel cell and the 6th pixel cell, the source electrode of the 3rd thin film transistor (TFT) that sub-pixel is corresponding, be all electrically connected with described 3rd data line.
9. a liquid crystal display, comprise display panels, gate driver circuit and source electrode drive circuit, it is characterized in that, described display panels comprises first substrate, second substrate and the liquid crystal layer between first substrate and second substrate, wherein, described first substrate is provided with the pixels across structure that any one bigrid described in claim 1 ~ 8 drives.
10. a driving method for the pixels across of bigrid driving, is characterized in that, is applicable to the pixels across structure that any one bigrid described in claim 1 to 7 drives, comprises:
In each preset time period, only open a gate line, and send signal to the thin-film transistor gate of the sub-pixel connecting this gate line, and the gate line opened in adjacent preset time period is opposite polarity;
For adjacent repetitive, first repetitive opens data line in described each preset time period, within the current preset time period, receive sub-pixel input positive signal or the minus polarity signal of signal, make the corresponding opposite polarity of vertically adjacent sub-pixel unit;
Second repetitive then performs inverse operation, and the polarity of the sub-pixel making the polarity of each sub-pixel in described second repetitive corresponding with described first repetitive is contrary.
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| TWI596403B (en) * | 2016-11-21 | 2017-08-21 | 友達光電股份有限公司 | Array substrate and display panel |
| TWI589972B (en) | 2016-12-28 | 2017-07-01 | 友達光電股份有限公司 | Active device array susbtrate and liquid crystal panel using the same |
| CN106597773B (en) | 2017-03-08 | 2020-03-17 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
| CN106935218B (en) * | 2017-03-23 | 2019-02-12 | 深圳市华星光电技术有限公司 | A kind of driving method and liquid crystal display panel of liquid crystal display panel |
| CN108269542B (en) | 2018-01-03 | 2020-03-03 | 惠科股份有限公司 | Display device |
| CN110070837B (en) * | 2018-01-22 | 2021-08-24 | 奇景光电股份有限公司 | Display device and image processing method |
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| CN101221337A (en) * | 2008-01-28 | 2008-07-16 | 京东方科技集团股份有限公司 | Array substrate of LCD device and its driving method |
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| KR101204365B1 (en) * | 2006-01-16 | 2012-11-26 | 삼성디스플레이 주식회사 | Liquid crystal display panel and method of manufacturing the same |
| KR101547574B1 (en) * | 2007-12-03 | 2015-08-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Tft arrangement for display device |
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| CN101221337A (en) * | 2008-01-28 | 2008-07-16 | 京东方科技集团股份有限公司 | Array substrate of LCD device and its driving method |
| CN101625828A (en) * | 2009-08-10 | 2010-01-13 | 友达光电股份有限公司 | Pixel array |
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