CN105788549A - Pixel driving structure, driving method and display device - Google Patents
Pixel driving structure, driving method and display device Download PDFInfo
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- CN105788549A CN105788549A CN201610255584.6A CN201610255584A CN105788549A CN 105788549 A CN105788549 A CN 105788549A CN 201610255584 A CN201610255584 A CN 201610255584A CN 105788549 A CN105788549 A CN 105788549A
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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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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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
- 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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
Abstract
The invention discloses a pixel driving structure, which comprises multiple sub pixel electrodes, multiple data lines and multiple scanning lines, wherein the multiple sub pixel electrodes are arranged in an array; and the multiple data lines and the multiple scanning lines are arranged in a crossed mode. The pixel driving structure is characterized in that at least one data line is electrically connected with at least three sub pixel electrodes with the same data signal voltage polarity, and in a row direction or a column direction, the sub pixel electrodes connected with the same data line are connected with different scanning lines; and when a frame of image is displayed, the voltage polarity of the data signals applied to each data line remains unchanged, and the voltage polarities of data signals applied to adjacent two data lines are opposite. The pixel driving structure provided by the invention reduces the data line use amount, Z inversion can be realized, and low cost and low power consumption are realized.
Description
Technical field
The invention belongs to technical field of liquid crystal display, more particularly, to a kind of pixel-driven structure, driving method and display device.
Background technology
Liquid crystal indicator (LiquidCrystalDisplay, LCD) possesses the plurality of advantages such as frivolous, energy-conservation, radiationless, has therefore replaced traditional cathode ray tube (CRT) display gradually.Current liquid crystal display is widely used in the electronic equipments such as HD digital TV, desk computer, personal digital assistant (PDA), notebook computer, mobile phone, digital camera.
As shown in Figure 1, for tradition TFT (ThinFilmTransistor in prior art, TFT) the pixel-driven structure schematic diagram of LCD, described pixel-driven structure includes M data line (DataLine, be alternatively referred to as SourceLine), N bar scanning line (GateLine, it is alternatively referred to as grid line), wherein, described M data line vertical setting of types is in column and (the D as shown in Figure 1 that is parallel to each other1、D2、D3、...、DM-2、DM-1、DM), line is horizontally-arranged embarks on journey and (the G as shown in Figure 1 that is parallel to each other for the scanning of described N bar1、G2、G3、...、GN-2、GN-1、GN), described M, N are positive integer (being generally even number), and described M data line intersects to form several sub-pixel unit being arranged in matrix with N bar scanning line, wherein, the sub-pixel that each sub-pixel unit is corresponding can be the one in red (referred to as R), green (referred to as G), blue (referred to as B) three sub-pixels.Simultaneously, in the pixel-driven structure shown in Fig. 1, R, G, sub-pixel unit corresponding to tri-sub-pixels of B is along the direction cycle arrangement successively that data number of lines increases, and the R being arranged in order, G, the sub-pixel unit that tri-sub-pixels of B are corresponding can form a pixel cell (as shown in phantom in Figure 1), additionally, each sub-pixel all includes at least one switch element, such as TFT, and one when this switch element is opened for keeping the storage electric capacity of voltage loaded on data wire, one end of wherein said storage electric capacity is connected with the drain electrode of switch element such as TFT, the other end is connected with reference voltage (Vcom).
In the pixel-driven structure schematic diagram shown in Fig. 1, what it adopted is single sweep line (NormalGate) technology, namely respectively every string sub-pixel unit configures a data line and configures a scanning line for every a line sub-pixel unit, specifically, as shown in Figure 1, (can be R sub-pixel in every string sub-pixel unit, G sub-pixel and sub-pixel unit corresponding to B sub-pixel) left configure a data line for it, its configuration that is arranged above in every a line sub-pixel unit scans line, make the grid of each sub-pixel corresponding to every a line sub-pixel unit when being connected on the scanning line being disposed there above, source electrode is both connected to be arranged on the data wire of its left.nullAs seen from Figure 1，For any pixel unit，3 sub-pixel unit in this pixel cell share a scanning line，But use three different data line，Namely tradition TFTLCD pixel-driven structure needs to use more data wire，If the resolution for 1366*768，Pixel-driven structure shown in Fig. 1 needs to use the data wire of 1366*3=4098channel (passage)，Correspondingly，Need to use 6 source driving chips comprising 684 passages (SourceIC) that the output voltage of this 4098 data line is controlled，But，Due to SourceIC cost costly，And handled signal is complex、Power consumption is higher，Therefore，If using 4098 data line and using 6 SourceIC, the technique cost of manufacture of pixel-driven structure can be caused、Power consumption is all higher.
In order to reduce cost and the power consumption of pixel-driven structure, prior art proposes minimizing source driving chip technology, the purpose making consumption of SourceIC is reduced mainly through changing the layout (such as reduction data wire, increasing scanning line) on pixel-driven structure, wherein, most commonly seen with dual scanning line (DualGate) technology and three scan line (TripleGate) technology.
For the pixel-driven structure schematic diagram adopting three scan line technology shown in Fig. 2, in the pixel-driven structure shown in Fig. 2, including m data line, n bar scanning line, wherein, described m data line vertical setting of types is in column and (the D as shown in Figure 2 that is parallel to each other1、D2、D3、...、Dm-2、Dm-1、Dm), line is horizontally-arranged embarks on journey and (the G as shown in Figure 2 that is parallel to each other for the scanning of described n bar1、G2、G3、...、Gn-2、Gn-1、Gn), described m, n are positive integer, and described m data line and n bar scanning line intersects to form several sub-pixel unit being arranged in matrix, and wherein, sub-pixel corresponding to each sub-pixel unit can be the one in tri-sub-pixels of R, G, B；Sub-pixel unit corresponding to described R sub-pixel, G sub-pixel and B sub-pixel is along the direction cycle arrangement successively that scanning line number increases, and sub-pixel unit corresponding to tri-sub-pixels of R, G, the B being arranged in order can form a pixel cell (as shown in phantom in Figure 2).For any pixel unit, 3 sub-pixel unit in this pixel cell share a data lines, but use different three bar scanning line.Now, if being still to realize the resolution of 1366*768, then need to use the data wire of 1366*1=1366channel, accordingly, it is desirable to use 2 SourceIC comprising 684 passages that the output voltage of this 1366 data line is controlled.Compared with the traditional TFTLCD pixel-driven structure shown in Fig. 1, owing to the quantity of data wire and SourceIC is greatly reduced, thus the technique cost of manufacture of pixel-driven structure and the purpose of power consumption can be reduced to a certain extent.
Further, since in order to ensure the uniformity of pixel display picture in prior art, the pixel-driven structure shown in Fig. 1 and Fig. 2 is driven by the type of drive frequently with some reversion (DotInversion) shown in Fig. 3.Wherein, if the reversed polarity of the sub-pixel in a sub-pixel unit be "+", then it represents that when the storage electric capacity of the sub-pixel in this sub-pixel unit being charged by data wire, last voltage be higher than reference voltage；If the reversed polarity of the sub-pixel in a sub-pixel unit is "-", then it represents that when the storage electric capacity of the sub-pixel in each sub-pixel unit being charged by data wire, last voltage is lower than reference voltage；But, when pixel-driven structure is driven by the type of drive adopting some reversion, within the time of each frame, due to when the voltage on every data line needs higher than reference voltage (voltage upset polarity for "+"), time and lower than reference voltage (voltage overturn polarity be "-"), thus can cause that the voltage swing amplitude on data wire is relatively big, thus cause the problem that the power consumption of pixel-driven structure is bigger.
Summary of the invention
It is an object of the invention to provide a kind of pixel-driven structure, driving method and display device.
According to an aspect of the present invention, it is provided that a kind of pixel-driven structure, including multiple pixel electrodes；A plurality of data lines and multi-strip scanning line；The plurality of pixel electrode is array distribution, and described a plurality of data lines and described multi-strip scanning line are arranged in a crossed manner；Having at least a data line to be electrically connected the pixel electrode that at least three data signal polarity of voltages are identical, on line direction or on column direction, the pixel electrode connecting same data wire connects different scanning lines；Wherein, when showing a two field picture, the polarity of voltage of the data signal being applied to every data line is constant, and the polarity of voltage of the data signal of adjacent two data line is contrary.
Preferably, two adjacent data line interval three row pixel electrodes, three, adjacent rows pixel electrode interval scanning line.
Preferably, the three row pixel electrodes at two data line intervals adjacent in each row form a pixel cell, wherein, it is positioned at the first pixel cell and its second adjacent pixel cell of odd-numbered line, and threeth pixel cell that be positioned at even number line adjacent with described first pixel cell and its 4th adjacent pixel cell form a connection unit.
Preferably, described connection unit is by three data lines and six scanning line traffic controls.
Preferably, the odd bits sub-pixel of described first pixel cell is connected with controlling this data lines being connected in unit in three data lines, the even bit sub-pixel of the first pixel cell, the odd bits sub-pixel of the second pixel cell and control this another data lines being connected in unit three data lines and be connected, the even bit sub-pixel of the second pixel cell and control this 3rd data lines being connected in unit three data lines and be connected.
Preferably, the even bit sub-pixel of described 3rd pixel cell is connected with controlling this data lines being connected in unit in three data lines, the odd bits sub-pixel of the 3rd pixel cell, the even bit sub-pixel of the 4th pixel cell and control this another data lines being connected in unit three data lines and be connected, the odd bits sub-pixel of the 4th pixel cell and control this 3rd data lines being connected in unit three data lines and be connected.
Preferably, two adjacent data line interval four row pixel electrodes, four, adjacent rows pixel electrode interval scanning line.
Preferably, the four row pixel electrodes at two data line intervals adjacent in each row form a pixel cell, wherein, it is positioned at the first pixel cell and its second adjacent pixel cell of odd-numbered line, and threeth pixel cell that be positioned at even number line adjacent with described first pixel cell and its 4th adjacent pixel cell form a connection unit.
Preferably, described connection unit is by three data lines and eight scanning line traffic controls.
Preferably, the odd bits sub-pixel of described first pixel cell is connected with controlling this data lines being connected in unit in three data lines, the even bit sub-pixel of the first pixel cell, the even bit sub-pixel of the second pixel cell and control this another data lines being connected in unit three data lines and be connected, the odd bits sub-pixel of the second pixel cell and control this 3rd data lines being connected in unit three data lines and be connected.
Preferably, the even bit sub-pixel of described 3rd pixel cell is connected with controlling this data lines being connected in unit in three data lines, the odd bits sub-pixel of the 3rd pixel cell, the odd bits sub-pixel of the 4th pixel cell and control this another data lines being connected in unit three data lines and be connected, the even bit sub-pixel of the 4th pixel cell and control this 3rd data lines being connected in unit three data lines and be connected.
Preferably, the color of multiple pixel electrodes of described display floater includes red, green and blue, or includes red, green, blue and white.
According to a further aspect in the invention, a kind of driving method is provided, for driving pixel-driven structure described above, including: control when showing a two field picture, the polarity of voltage of the data signal that every data line applies remains unchanged, and the polarity of voltage of the data signal of adjacent two data line is contrary；The polarity of voltage controlling to be applied to data signal corresponding to the data wire of adjacent two returing cycles is contrary.
Preferably, described returing cycle is the N continuous two field picture display cycle, and N is positive integer.
There is provided a kind of display device according to the third aspect of the invention we, including pixel-driven structure described above.
Embodiments provide a kind of pixel-driven structure, driving method and display device, in described pixel-driven structure, it is positioned at the first pixel cell and its second adjacent pixel cell of odd-numbered line, and threeth pixel cell that be positioned at even number line adjacent with described first pixel cell and its 4th adjacent pixel cell form a connection unit, this connection unit is only controlled by three data line, thus reduce the usage quantity of data wire, effectively reduce the cost of pixel-driven structure；It addition, the sub-pixel connected on any data line can have identical reversed polarity, thus the voltage swing amplitude reduced on every data line, effectively reduce the power consumption of pixel-driven structure, reduce cost.Pixel-driven structure provided by the invention is realized some reversion by pixel cell reversion, and in heavy duty (high power consumption) situation, display picture has better flicker effect；The opposite polarity owing to the voltage swing of same time adjacent data line applying is identical, the capacitance coupling effect that therefore adjacent sub-pixel electrodes causes creates the effect cancelled out each other, and will not harass by occurred level；Owing to pixel cell is little, on layout designs, there is motility.
Accompanying drawing explanation
By referring to the accompanying drawing description to the embodiment of the present invention, above-mentioned and other purposes of the present invention, feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 illustrates the structural representation of the pixel-driven structure of tradition TFTLCD of the prior art；
Fig. 2 illustrates the structural representation of the pixel-driven structure adopting three scan line technology；
Fig. 3 a-Fig. 3 b illustrates an inversion driving mode schematic diagram；
Fig. 4 illustrates the structural representation of pixel-driven structure described in the embodiment of the present invention；
Fig. 5 illustrates the reversed polarity schematic diagram of each sub-pixel during the pixel-driven structure adopted in the embodiment of the present invention shown in Fig. 4；
Fig. 6 illustrates the reversed polarity schematic diagram of each sub-pixel during the pixel-driven structure adopted in the embodiment of the present invention shown in Fig. 4；
Fig. 7 illustrates the structural representation of pixel-driven structure described in another embodiment of the present invention；
Fig. 8 illustrates the reversed polarity schematic diagram of each sub-pixel during the pixel-driven structure adopted in the embodiment of the present invention shown in Fig. 7；
Fig. 9 illustrates the reversed polarity schematic diagram of each sub-pixel during the pixel-driven structure adopted in the embodiment of the present invention shown in Fig. 7；
Figure 10 illustrates the flow chart of the driving method of the pixel-driven structure that the embodiment of the present invention provides.
Detailed description of the invention
It is more fully described various embodiments of the present invention hereinafter with reference to accompanying drawing.In various figures, identical element adopts same or similar accompanying drawing labelling to represent.For the sake of clarity, the various piece in accompanying drawing is not necessarily to scale.
The present invention can present in a variety of manners, some of them example explained below.
Embodiments provide a kind of dot structure, specifically can participate in the structural representation of the pixel-driven structure shown in Fig. 4, described pixel-driven structure includes M data line, N bar scanning line, and described M data line vertical setting of types is in column and (the D as shown in Figure 4 that is parallel to each other1、D2、D3、...、DM-1、DM), line is horizontally-arranged embarks on journey and (the G as shown in figures 5 and 6 that is parallel to each other for the scanning of described N bar1、G2、G3、G4、G5、G6、...、GN-1、GN), described M, N are positive integer, wherein:
Described M data line intersects to form multiple pixel cell being arranged in matrix with N bar scanning line, wherein, each pixel cell all at least includes R, G, B, any two sub-pixel in tetra-sub-pixels of W, such as: each pixel cell can include R, two sub-pixels of G, or include R, two sub-pixels of B, or include R, two sub-pixels of W, or include G, two sub-pixels of B, or include B, two sub-pixels of W, or include G, two sub-pixels of W, or include R, G, tri-sub-pixels of B, or include R, B, tri-sub-pixels of W, or include R, G, tri-sub-pixels of W, or include G, B, tri-sub-pixels of W, or include R, G, B, tetra-sub-pixels of W, this is not limited in any way by the embodiment of the present invention.Specifically, in the structural representation of the pixel-driven structure shown in Fig. 4, Fig. 5, include tri-sub-pixels of R, G, B for each pixel cell and illustrate.
Specifically, the direction that multiple sub-pixels in described pixel cell increase along data wire in described pixel cell is arranged in order, in the structural representation at the pixel-driven structure shown in Fig. 4, owing to each data wire increases successively along transverse direction (horizontal direction), therefore, tri-sub-pixels of R, G, B in each pixel cell are transversely arranged, it should be noted that, multiple sub-pixels of described pixel cell can also adopt other to put in order in described pixel cell and arrange, and this is not limited in any way by the embodiment of the present invention.
In the pixel-driven structure described in the embodiment of the present invention, the direction parallel with each scanning line is called row, the direction parallel with each data wire is called row, wherein, for the first pixel cell being positioned at odd-numbered line odd column by, the later adjacent with described first pixel cell is positioned at the second pixel cell of even column, the next one adjacent with described first pixel cell is positioned at the 3rd pixel cell of even number line and the later adjacent with described 3rd pixel cell is positioned at the connection unit of the 4th pixel cell composition of even column, this connection unit is scanned line traffic control by three data lines and 2Z bar, wherein, the direction parallel with each scanning line is row, the direction parallel with each data wire is row；Wherein, for described the first pixel cell being positioned at odd-numbered line and the second pixel cell, the odd bits sub-pixel of described first pixel cell is connected with controlling this data lines being connected in unit in three data lines, the even bit sub-pixel of the first pixel cell, the odd bits sub-pixel of the second pixel cell and control this another data lines being connected in unit three data lines and be connected, the even bit sub-pixel of the second pixel cell and control this 3rd data lines being connected in unit three data lines and be connected；For described the 3rd pixel cell being positioned at even number line and the 4th pixel cell, the even bit sub-pixel of described 3rd pixel cell is connected with controlling this data lines being connected in unit in three data lines, the odd bits sub-pixel of the 3rd pixel cell, the even bit sub-pixel of the second pixel cell and control this another data lines being connected in unit three data lines and be connected, the odd bits sub-pixel of the second pixel cell and control this 3rd data lines being connected in unit three data lines and be connected；Specifically, the value of described Z can be 3 or 4, for instance, when described pixel cell comprises three sub-pixels, the value of described Z is 3, and when described pixel cell comprises four sub-pixels, the value of described Z is 4.
Further, in described pixel-driven structure, Article 1 scanning line in described N bar scanning line is arranged in the top of the first row pixel cell, last Z-1 bar scanning line is arranged in the lower section of last column pixel cell, and the every Z bar scanning line in remaining scanning line is arranged between adjacent rows pixel cell.
The Z-1 bar scanning line in described N bar of scanning line can certainly be made to be arranged in the top of the first row pixel cell, last 1 scanning line is arranged in the lower section of last column pixel cell, and the every Z bar scanning line in remaining scanning line is arranged between adjacent rows pixel cell.
Specifically, for the pixel-driven structure (in this pixel-driven structure, each pixel cell all comprises three sub-pixels) shown in Fig. 4, data wire D1、D2、D3With scanning line G1、G2、G3、G4、G5、G6Intersect to form 4 pixel cells being arranged in matrix, described 4 pixel cells can be expressed as pixel cell 1, pixel cell 2, pixel cell 3 and pixel cell 4, and each pixel cell all includes tri-sub-pixels of R, G, B, specifically, tri-sub-pixels of described R, G, B are transversely arranged successively.
Wherein, owing to pixel cell 1 and pixel cell 2 are positioned at the first row of matrix, it can be considered that pixel cell 1 and pixel cell 2 are the pixel cell being positioned at odd-numbered line, similarly, owing to pixel cell 3 and pixel cell 4 are positioned at the second row of matrix, it can be considered that pixel cell 3 and pixel cell 4 are the pixel cell being positioned at even number line；Similarly, owing to pixel cell 1 and pixel cell 3 are positioned at the first row of matrix, it can be considered that pixel cell 1 and pixel cell 3 are the pixel cell being positioned at odd column, owing to pixel cell 2 and pixel cell 4 are positioned at the secondary series of matrix, it can be considered that pixel cell 2 and pixel cell 4 are the pixel cell being positioned at even column.
It is further to note that for any row pixel cell, this row pixel cell includes more than one pixel cell and described pixel cell is respectively positioned on different lines；Similarly, for either rank pixel cell, this row pixel cell also includes more than one pixel cell, and described pixel cell is respectively positioned on different rows.
Specifically, still for the pixel-driven structure shown in Fig. 4, it is positioned at the pixel cell 1 of the odd-numbered line odd column later adjacent with pixel cell 1 and is positioned at the pixel cell 2 of even column, the pixel cell 3 being positioned at even number line odd column and the later adjacent with pixel cell 3 and is positioned at the pixel cell 4 of even column and can form one and connect unit.For arbitrary connection unit, described 6 sub-pixels that this connection unit includes 12 sub-pixels, 6 sub-pixels of where each row, and each row are transversely arranged successively.
Specifically, for the pixel cell 1 being positioned at odd-numbered line shown in Fig. 4 and pixel cell 2, three data line controlling this pixel cell 1 and pixel cell 2 are D1、D2And D3, Z bar scanning line (now, the value of described Z is 3) controlling this pixel cell 1 is G1、G2And G3.Wherein, pixel cell 1 is arranged in odd bits sub-pixel (R, B sub-pixel of the pixel cell 1 shown in Fig. 5) and control this be connected in three data line of unit with a data line (D1) sub-pixel of the even bit that is connected, is arranged in pixel cell 1 is arranged in the sub-pixel (R, B sub-pixel in the G sub-pixel of pixel cell 1 shown in Fig. 4, pixel cell 2) of odd bits and control this is connected another data wire (D of unit with pixel cell 22) be connected；Pixel cell 2 is positioned at the sub-pixel of even bit and controls this and be connected the 3rd data wire (D of unit3) be connected.
Specifically, for the pixel cell 1 being positioned at odd-numbered line shown in Fig. 4 and pixel cell 2, Z bar scanning line (now, the value of described Z is 3) controlling to be positioned at the pixel cell 1 of odd-numbered line and pixel cell 2 is G1、G2And G3.The kth sub-pixel of pixel cell 1 and the kth sub-pixel (the R sub-pixel in the pixel cell 1 shown in Fig. 4 and the R sub-pixel in pixel cell 2) of pixel cell 2 scan line (now with the Z bar controlling pixel cell 1 and pixel cell 2, the value of described Z is 3) in any one scanning line be connected, and scanning line that in pixel cell 1 and pixel cell 2, the sub-pixel of arbitrarily different k positions connects is different, the scanning line that R, B sub-pixel in pixel cell 1 connects is different, and the scanning line that R, B sub-pixel in pixel cell 2 connects is different.
Specifically, for connect in unit be positioned at different rows be positioned at the i-th row and the pixel cell of i+1 row, control the i-th row being positioned at odd-numbered line identical with the data wire of the i-th row controlling to be positioned at even number line and the pixel cell of i+1 row with the pixel cell of i+1 row, described i is odd number, and i+2 is not more than M, (pixel-driven structure schematic diagram one that specifically can be shown in Figure 4).
Specifically, three data line controlling to connect unit are the i-th data line, i+1 data line and the i-th+2 data line；
Wherein, in arbitrary described connection unit, the data wire that the odd bits sub-pixel of the pixel cell of odd-numbered line is less with column number in two data line controlling this pixel cell is connected, and the data wire that the sub-pixel of even bit is bigger with column number in two data line controlling this pixel cell is connected；The data wire that the odd bits sub-pixel of even rows unit is bigger with column number in two data line controlling this pixel cell is connected, and the data wire that the sub-pixel of even bit is less with column number in two data line controlling this pixel cell is connected.
Specifically, odd bits sub-pixel and the i-th data line in odd-numbered line odd column pixel unit are connected, even bit sub-pixel is connected with i+1 data line, and the odd bits sub-pixel in odd-numbered line even column pixels unit is connected with i+1 data line, even bit sub-pixel and the i-th+2 data line are connected.Therefore, in the pixel-driven structure schematic diagram shown in Fig. 4, it is arranged in pixel cell 1 and the pixel cell 2 of odd-numbered line, the odd bits sub-pixel (R, B sub-pixel in the pixel cell 1 shown in Fig. 4) of odd column pixel unit and Article 1 data wire (D1) be connected, the even bit sub-pixel (G sub-pixel in the pixel cell 1 shown in Fig. 4) of odd column pixel unit and Article 2 data wire (D2) be connected；The odd bits sub-pixel (R, B sub-pixel in the pixel cell 2 shown in Fig. 4) of the pixel cell of even column and Article 2 data wire (D2) be connected, even bit sub-pixel (G sub-pixel in pixel cell 2 shown in Fig. 4) and Article 3 data wire (D3) be connected.
In pixel-driven structure described in the embodiment of the present invention, when carrying out the display of any frame pixel screen, when inputting the signal more than reference voltage to the data line in two adjacent data wires any in described M data line, and the input of another data line less than the signal of reference voltage time, the effect identical with reversion driving of the prior art can be reached on the whole, if and from every data line, described inversion mode may be considered row reversion；Due to when carrying out the display of any frame pixel screen, voltage on each data wire or fixing more than reference voltage, or it is fixing less than reference voltage, without there is bigger voltage amplitude variation, thus the voltage swing amplitude on data wire can be reduced, thus reduce the effect of the power consumption of pixel-driven structure to a certain extent.
It should be noted that, for same data wire, when carrying out the display of pixel screen of arbitrary neighborhood two frame, on this data wire the voltage of input can more than reference voltage (voltage deflection polarity for "+") with less than reference voltage (voltage deflection polarity is "-") in convert, be not fixing.
Specifically, for the pixel-driven structure schematic diagram shown in Fig. 4, assume when carrying out the display of nth frame pixel screen, the data wire that column number is odd number inputs the signal more than reference voltage, and on the data wire that column number is even number, inputting the signal less than reference voltage, then in the pixel-driven structure formed, the reversed polarity of each sub-pixel can be as shown in Figure 5；Further, assume when carrying out the display of N+1 frame pixel screen, the data wire that column number is odd number inputs the signal less than reference voltage, and on the data wire that column number is even number, inputting the signal more than reference voltage, then in the pixel-driven structure formed, the reversed polarity of each sub-pixel can be as shown in Figure 6.
It should be noted that in embodiment of the present invention, the sub-pixel in each pixel-driven structure can include at least one TFT.
Specifically, for the pixel-driven structure (in this pixel-driven structure, each pixel cell all comprises four sub-pixels) shown in Fig. 7, data wire D1、D2、D3With scanning line G1、G2、G3、G4、G5、G6、G7、G8Intersect to form 4 pixel cells being arranged in matrix, described 4 pixel cells can be expressed as pixel cell 1, pixel cell 2, pixel cell 3 and pixel cell 4, and each pixel cell all includes tetra-sub-pixels of R, G, B, W, specifically, tetra-sub-pixels of described R, G, B, W are transversely arranged successively.
Wherein, owing to pixel cell 1 and pixel cell 2 are positioned at the first row of matrix, it can be considered that pixel cell 1 and pixel cell 2 are the pixel cell being positioned at odd-numbered line, similarly, owing to pixel cell 3 and pixel cell 4 are positioned at the second row of matrix, it can be considered that pixel cell 3 and pixel cell 4 are the pixel cell being positioned at even number line；Similarly, owing to pixel cell 1 and pixel cell 3 are positioned at the first row of matrix, it can be considered that pixel cell 1 and pixel cell 3 are the pixel cell being positioned at odd column, owing to pixel cell 2 and pixel cell 4 are positioned at the secondary series of matrix, it can be considered that pixel cell 2 and pixel cell 4 are the pixel cell being positioned at even column.
It is further to note that for any row pixel cell, this row pixel cell includes more than one pixel cell and described pixel cell is respectively positioned on different lines；Similarly, for either rank pixel cell, this row pixel cell also includes more than one pixel cell, and described pixel cell is respectively positioned on different rows.
Specifically, still for the pixel-driven structure shown in Fig. 7, it is positioned at the pixel cell 1 of the odd-numbered line odd column later adjacent with pixel cell 1 and is positioned at the pixel cell 2 of even column, the pixel cell 3 being positioned at even number line odd column and the later adjacent with pixel cell 3 and is positioned at the pixel cell 4 of even column and can form one and connect unit.For arbitrary connection unit, described 8 sub-pixels that this connection unit includes 16 sub-pixels, 8 sub-pixels of where each row, and each row are transversely arranged successively.
Specifically, for the pixel cell 1 being positioned at odd-numbered line shown in Fig. 7 and pixel cell 2, three data line controlling this pixel cell 1 and pixel cell 2 are D1、D2And D3, Z bar scanning line (now, the value of described Z is 3) controlling this pixel cell 1 is G1、G2、G3And G4.Wherein, pixel cell 1 is arranged in odd bits sub-pixel (R, B sub-pixel of the pixel cell 1 shown in Fig. 7) and control this be connected in three data line of unit with a data line (D1) sub-pixel of the even bit that is connected, is arranged in pixel cell 1 is arranged in the sub-pixel (R, B sub-pixel in the G of pixel cell 1 shown in Fig. 7, W sub-pixel, pixel cell 2) of even bit and control this is connected another data wire (D of unit with pixel cell 22) be connected；Pixel cell 2 is arranged in the sub-pixel (G of pixel cell 2 shown in Fig. 7, W sub-pixel) of odd bits and controls this and be connected the 3rd data wire (D of unit3) be connected.
Specifically, for the pixel cell 1 being positioned at odd-numbered line shown in Fig. 7 and pixel cell 2, Z bar scanning line (now, the value of described Z is 4) controlling to be positioned at the pixel cell 1 of odd-numbered line and pixel cell 2 is G1、G2、G3And G4.The kth sub-pixel of pixel cell 1 and the kth sub-pixel (the R sub-pixel in the pixel cell 1 shown in Fig. 4 and the R sub-pixel in pixel cell 2) of pixel cell 2 scan line (now with the Z bar controlling pixel cell 1 and pixel cell 2, the value of described Z is 4) in any one scanning line be connected, and scanning line that in pixel cell 1 and pixel cell 2, the sub-pixel of arbitrarily different k positions connects is different, the scanning line that R, B sub-pixel in pixel cell 1 connects is different, and the scanning line that R, B sub-pixel in pixel cell 2 connects is different.
Specifically, three data line controlling to connect unit are the i-th data line, i+1 data line and the i-th+2 data line；
Wherein, in arbitrary described connection unit, the data wire that the odd bits sub-pixel of the pixel cell of odd-numbered line is less with column number in two data line controlling this pixel cell is connected, and the data wire that the sub-pixel of even bit is bigger with column number in two data line controlling this pixel cell is connected；The data wire that the odd bits sub-pixel of even rows unit is bigger with column number in two data line controlling this pixel cell is connected, and the data wire that the sub-pixel of even bit is less with column number in two data line controlling this pixel cell is connected.
Specifically, odd bits sub-pixel and the i-th data line in odd-numbered line odd column pixel unit are connected, even bit sub-pixel is connected with i+1 data line, and the odd bits sub-pixel in odd-numbered line even column pixels unit is connected with i+1 data line, even bit sub-pixel and the i-th+2 data line are connected.Therefore, in the pixel-driven structure schematic diagram shown in Fig. 7, it is arranged in pixel cell 1 and the pixel cell 2 of odd-numbered line, the odd bits sub-pixel (R, B sub-pixel in the pixel cell 1 shown in Fig. 7) of odd column pixel unit and Article 1 data wire (D1) be connected, the even bit sub-pixel (G in the pixel cell 1 shown in Fig. 7, W sub-pixel) of odd column pixel unit and Article 2 data wire (D2) be connected；The even bit sub-pixel (G in the pixel cell 2 shown in Fig. 4, W sub-pixel) of the pixel cell of even column and Article 2 data wire (D2) be connected, odd bits sub-pixel (R, B sub-pixel in pixel cell 2 shown in Fig. 7) and Article 3 data wire (D3) be connected.
Specifically, for the pixel-driven structure schematic diagram shown in Fig. 7, assume when carrying out the display of nth frame pixel screen, the data wire that column number is odd number inputs the signal more than reference voltage, and on the data wire that column number is even number, inputting the signal less than reference voltage, then in the pixel-driven structure formed, the reversed polarity of each sub-pixel can be as shown in Figure 8；Further, assume when carrying out the display of N+1 frame pixel screen, the data wire that column number is odd number inputs the signal less than reference voltage, and on the data wire that column number is even number, inputting the signal more than reference voltage, then in the pixel-driven structure formed, the reversed polarity of each sub-pixel can be as shown in Figure 9.
Embodiments provide a kind of pixel-driven structure, in described pixel-driven structure, it is positioned at the first pixel cell and its second adjacent pixel cell of odd-numbered line, and threeth pixel cell that be positioned at even number line adjacent with described first pixel cell and its 4th adjacent pixel cell form a connection unit, this connection unit is only controlled by three data line, thus reduce the usage quantity of data wire, effectively reduce the cost of pixel-driven structure；It addition, the sub-pixel connected on any data line can have identical reversed polarity, thus the voltage swing amplitude reduced on every data line, effectively reduce the power consumption of pixel-driven structure, reduce cost.Pixel-driven structure provided by the invention is realized some reversion by pixel cell reversion, and in heavy duty (high power consumption) situation, display picture has better flicker effect；The opposite polarity owing to the voltage swing of same time adjacent data line applying is identical, the capacitance coupling effect that therefore adjacent sub-pixel electrodes causes creates the effect cancelled out each other, and will not harass by occurred level；Owing to pixel cell is little, on layout designs, there is motility.
The embodiment of the present invention additionally provides a kind of display device, and described display device includes the pixel-driven structure described in embodiment.
Specifically, described display device can be any product with display function or the parts such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, television set, display, notebook computer, display, notebook computer, DPF, navigator.
The embodiment of the present invention additionally provides the driving method of the pixel-driven structure described in a kind of embodiment, and as shown in Figure 10, described method includes:
In step S01, controlling when showing a two field picture, the polarity of voltage of the data signal that every data line applies remains unchanged, and the polarity of voltage of the data signal of adjacent two data line is contrary.
In this enforcement example, when carrying out the display of a frame pixel screen, in described M data line, the data line input in any two adjacent data wires is more than the signal (voltage deflection polarity be "+") of reference voltage, the input of another data line is less than the signal (voltage deflection polarity is "-") of reference voltage, and described M is positive integer.It should be noted that, for same data wire, when carrying out the display of pixel screen of arbitrary neighborhood two frame, on this data wire the voltage of input can more than reference voltage (voltage deflection polarity for "+") with less than reference voltage (voltage deflection polarity is "-") in convert, be not fixing.
When adopting the driving method described in the embodiment of the present invention that pixel-driven structure described above is driven, when carrying out the display of any frame pixel screen, when inputting the signal more than reference voltage to the data line in two adjacent data wires any in described M data line, and the input of another data line less than the signal of reference voltage time, the effect identical with reversion driving of the prior art can be reached on the whole, if and from every data line, described inversion mode may be considered row reversion；Due to when carrying out the display of any frame pixel screen, voltage on each data wire or fixing more than reference voltage, or it is fixing less than reference voltage, without there is bigger voltage amplitude variation, thus the voltage swing amplitude on data wire can be reduced, thus reduce the effect of the power consumption of pixel-driven structure to a certain extent.
In step S02, the polarity of voltage controlling to be applied to data signal corresponding to the data wire of adjacent two returing cycles is contrary.
Preferably, arranging returing cycle is the N continuous two field picture display cycle, and N is positive integer.
The present embodiment described in detail for returing cycle for a two field picture display cycle, in a two field picture row scanning process, keeps the polarity of voltage of the data signal that every data line applies to remain unchanged, and the polarity of voltage of the data signal of adjacent two data line is contrary.After this two field picture row end of scan, before the scanning of next frame image line starts, data drive circuit will provide for the polarity of voltage driving signal of a plurality of data lines to carry out unifying reversion, in the process that every a line pixel electrode is scanned by scanning line, the data line voltage polarity that each pixel electrode connects is reversed relative to previous frame image, making the polarity of voltage on pixel electrode also reverse accordingly relative to previous frame image, scanning line has scanned and has namely obtained the next frame image with two-dot inversion (1Dotinversion) characteristic.
It should be noted that in actual applications, can the duration of personal settings returing cycle according to actual needs, for instance arranging returing cycle is two continuous frames or three two field picture display cycles.
The driving method that the present embodiment provides, by controlling when showing a two field picture, the polarity of voltage of the data signal that every data line applies remains unchanged, and the polarity of voltage of the data signal of adjacent two data line is contrary, and the polarity of voltage that controls to be applied to data signal corresponding to the data wire of adjacent two returing cycles is contrary, make in the scanning process of a frame display image, polarity of voltage on every data line, without reversing along with scanning line scanning process the be expert at difference of sub-pixel electrode, has reached to reduce the beneficial effect of pixel-driven structure power consumption.
According to embodiments of the invention as described above, these embodiments do not have all of details of detailed descriptionthe, are not intended to the specific embodiment that this invention is only described yet.Obviously, as described above, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to explain principles of the invention and practical application better, so that skilled artisan can utilize the present invention and the amendment on basis of the present invention to use well.Protection scope of the present invention should be as the criterion with the scope that the claims in the present invention define.
Claims (10)
1. a pixel-driven structure, including:
Multiple pixel electrodes；
A plurality of data lines and multi-strip scanning line；
The plurality of pixel electrode is array distribution, and described a plurality of data lines and described multi-strip scanning line are arranged in a crossed manner；It is characterized in that,
A data line is had at least to be electrically connected the pixel electrode that at least three data signal polarity of voltages are identical,
On line direction or on column direction, the pixel electrode connecting same data wire connects different scanning lines；
Wherein, when showing a two field picture, the polarity of voltage of the data signal being applied to every data line is constant, and the polarity of voltage of the data signal of adjacent two data line is contrary.
2. pixel-driven structure according to claim 1, it is characterised in that two adjacent data line interval three row pixel electrodes, three, adjacent rows pixel electrode interval scanning line.
3. pixel-driven structure according to claim 2, it is characterized in that, the three row pixel electrodes at two data line intervals adjacent in each row form a pixel cell, wherein, it is positioned at the first pixel cell and its second adjacent pixel cell of odd-numbered line, and threeth pixel cell that be positioned at even number line adjacent with described first pixel cell and its 4th adjacent pixel cell form a connection unit；Described connection unit is by three data lines and six scanning line traffic controls.
4. pixel-driven structure according to claim 3, it is characterized in that, the odd bits sub-pixel of described first pixel cell is connected with controlling this data lines being connected in unit in three data lines, the even bit sub-pixel of the first pixel cell, the odd bits sub-pixel of the second pixel cell and control this another data lines being connected in unit three data lines and be connected, the even bit sub-pixel of the second pixel cell and control this 3rd data lines being connected in unit three data lines and be connected；The even bit sub-pixel of described 3rd pixel cell is connected with controlling this data lines being connected in unit in three data lines, the odd bits sub-pixel of the 3rd pixel cell, the even bit sub-pixel of the 4th pixel cell and control this another data lines being connected in unit three data lines and be connected, the odd bits sub-pixel of the 4th pixel cell and control this 3rd data lines being connected in unit three data lines and be connected.
5. pixel-driven structure according to claim 1, it is characterised in that two adjacent data line interval four row pixel electrodes, four, adjacent rows pixel electrode interval scanning line.
6. pixel-driven structure according to claim 1, it is characterized in that, the four row pixel electrodes at two data line intervals adjacent in each row form a pixel cell, wherein, it is positioned at the first pixel cell and its second adjacent pixel cell of odd-numbered line, and threeth pixel cell that be positioned at even number line adjacent with described first pixel cell and its 4th adjacent pixel cell form a connection unit；Described connection unit is by three data lines and eight scanning line traffic controls.
7. pixel-driven structure according to claim 6, it is characterized in that, the odd bits sub-pixel of described first pixel cell is connected with controlling this data lines being connected in unit in three data lines, the even bit sub-pixel of the first pixel cell, the even bit sub-pixel of the second pixel cell and control this another data lines being connected in unit three data lines and be connected, the odd bits sub-pixel of the second pixel cell and control this 3rd data lines being connected in unit three data lines and be connected；The even bit sub-pixel of described 3rd pixel cell is connected with controlling this data lines being connected in unit in three data lines, the odd bits sub-pixel of the 3rd pixel cell, the odd bits sub-pixel of the 4th pixel cell and control this another data lines being connected in unit three data lines and be connected, the even bit sub-pixel of the 4th pixel cell and control this 3rd data lines being connected in unit three data lines and be connected.
8. pixel-driven structure according to claim 1, it is characterised in that the color of multiple pixel electrodes of described display floater includes red, green and blue, or includes red, green, blue and white.
9. a driving method, for drive arbitrary in claim 1-8 as described in pixel-driven structure, it is characterised in that including:
Controlling when showing a two field picture, the polarity of voltage of the data signal that every data line applies remains unchanged, and the polarity of voltage of the data signal of adjacent two data line is contrary；
The polarity of voltage controlling to be applied to data signal corresponding to the data wire of adjacent two returing cycles is contrary；
Described returing cycle is the N continuous two field picture display cycle, and N is positive integer.
10. a display device, it is characterised in that include arbitrary described pixel-driven structure in claim 1-8.
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