CN100552768C - In order to improve the display device and the display packing thereof of the quality of image that pixel multiple writes - Google Patents
In order to improve the display device and the display packing thereof of the quality of image that pixel multiple writes Download PDFInfo
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- CN100552768C CN100552768C CNB2006101322120A CN200610132212A CN100552768C CN 100552768 C CN100552768 C CN 100552768C CN B2006101322120 A CNB2006101322120 A CN B2006101322120A CN 200610132212 A CN200610132212 A CN 200610132212A CN 100552768 C CN100552768 C CN 100552768C
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Abstract
The present invention discloses a kind of in order to improve the display packing and the display device thereof of the quality of image that pixel multiple writes, this display packing comprises following steps: at first, use the one source pole driver to drive a plurality of pixels that a pixel multiple writes display panel with polarity row inversion mode, thereafter, this pixel multiple a plurality of pixels of writing display panel show that the polarity of a plurality of pixels is a display frame that counter-rotating distributes.This display device comprises source electrode driver and pixel multiple writes display panel, wherein source electrode driver drives a plurality of pixels that pixel multiple writes display panel with polarity row inversion mode, and a plurality of pixels that this pixel multiple writes display panel show that the polarity of more than one pixel is a display frame that counter-rotating distributes.
Description
Technical field
The invention relates to a kind of display packing and display device thereof in order to improve the quality of image, and relevant especially a kind of in order to improve the display packing and the display device thereof of the quality of image that pixel multiple writes.
Background technology
Fig. 1 is a circuit block diagram of describing the available liquid crystal display.LCD comprises gate drivers 101, source electrode driver 102, display panels 103, gate drivers 101 comprises a plurality of grid-driving integrated circuit GD1～GDn and is responsible for opening and closing thin film transistor (TFT), source electrode driver 102 comprises a plurality of source electrode driven integrated circuit SD1～SDm and then is responsible for output data to liquid crystal electric capacity, makes the voltage on the liquid crystal capacitance can arrive the accurate position that this has in the time that thin film transistor (TFT) is opened.This traditional panel type of drive, promptly each source electrode line only writes a pixel data at each horizontal cycle.Fig. 2 is a circuit diagram of describing available liquid crystal display panel 103.Pixel with Fig. 2 is an example.When transistor T 1 was opened by gate lines G 0, source electrode line Sn inputed to liquid crystal capacitance C1 with data.
Fig. 3 is a partial pixel location map of describing available liquid crystal display panel 103.For representing conveniently to represent redness, green, blueness respectively with R, G, B, (1,1) (2,1) (3,1) (4,1) (1,4) (2,4) (3,4) (4,4) are red pixel for instance.The write sequence of those pixels is following steps, and at first, gate lines G 0 opens (1,1)～(1,6) write data simultaneously, then, gate lines G 1 opens (2,1)～(2,6) write data simultaneously, gate lines G 2, G3 can the rest may be inferred, polarized for fear of liquid crystal, must adopt the technology of reversal of poles for the driving of liquid crystal molecule, Fig. 4 A～Fig. 4 E is respectively the various polarity distribution plans of the partial pixel of depiction 3.The data voltage that symbol+representative writes liquid crystal is bigger than common voltage Vcom, this moment data voltage for just, the data voltage that symbol-representative writes liquid crystal is littler than common voltage Vcom with respect to common voltage Vcom, this moment, data voltage was to bear with respect to common voltage Vcom.Please also refer to Fig. 3, Fig. 4 A～Fig. 4 D is respectively the polarity distribution plan of face counter-rotating, hurdle counter-rotating, row counter-rotating, some counter-rotating.And Fig. 4 E is the polarity distribution plan of 2 counter-rotatings, the situation of film flicker when this design can solve and shut down as microsoft operation system windows (window), in general, the available liquid crystal display only writes a pixel data at each source electrode line at each horizontal cycle, the driving polarity major part of pixel all is a counter-rotating or its variation shape, because such quality of image is better than other driving polarity.
For the source electrode driven integrated circuit that reduces the available liquid crystal display and the number of source electrode line, Fig. 5 describes the circuit diagram that pixel multiple writes display panel.Wherein key property is, each source drive line writes two pixel datas at each horizontal cycle, so the source drive IC number in panel module can reduce by half, the part that dotted line representative deducts, and source electrode and gate driver circuit also can continue to use general conventional ADS driving IC, need not redesign, to reach the benefit that reduces cost, and in the designed time schedule controller,, then be memorizer control circuit and gate drivers control signal generator with general traditional difference.Wherein, utilize the line buffer control unit of being carried pixel data to be rearranged the buffer zone of combination to reach the multiple purpose that writes, utilize the gate drivers control signal generator carried to produce suitable control signal again, the thin film transistor (TFT) of the pixel that appointment is write is opened to finish write activity.For instance, when only gate lines G 2 was opened transistor T 2, source electrode line Sn inputed to liquid crystal capacitance C2 with data, and when gate lines G 1 was opened transistor T 2, T3 simultaneously with G2, source electrode line Sn inputed to liquid crystal capacitance C3 with data.
Fig. 6 A is the partial pixel location map that depiction 5 pixel multiple write.Since the output decreased number of source electrode driven integrated circuit half, so the data write sequence also with pixel single write different.The data write sequence is following steps: at first, gate lines G 0, G1 open (1,2) (1,4) (1,6) write data simultaneously, secondly, gate lines G 1, G2 open (2,2) (2,4) (2,6) write data simultaneously, and thereafter, gate lines G 1 opens (1,1) (1,3) (1,5) writes data simultaneously, connects time, and gate lines G 2, G3 open (3,2) (3,4) (3,6) write data simultaneously, and after connecing, G2 opens (2,1) (2,3) (2,5) write data simultaneously, and the rest may be inferred for all the other.Fig. 6 B is the partial pixel write sequence figure that depiction 5 pixel multiple write.The write sequence of technology and pixel are single to be write differently so pixel multiple writes, and the driving polarity that so causes its panel and presented does not belong to any among Fig. 4 A～Fig. 4 E.Counter plate generally speaking, be not to put counter-rotating completely, except writing data order difference, another reason is that the employed source electrode driven integrated circuit output polarity of present LCD is the some counter-rotating, that is to say that in same sequential the polarity of adjacent output is opposite.
Fig. 7 is a circuit block diagram of drive-type source electrode driven integrated circuit.In for example same sequential, source electrode line S1, S3, Sn-3, Sn-1 is output as positive polarity, S2, S4, Sn-2, Sn is output as negative polarity, source electrode line S1 in next sequential, S3, Sn-3, Sn-1 is output as negative polarity, S2, S4, Sn-2, Sn is output as positive polarity, and it is as follows to cooperate pixel multiple to write the write sequence of technology again, please also refer to Fig. 6 A, at first, write (1,2) (1,4) (1,6) wherein (1,2) (1,6) is that positive polarity (1,4) is negative polarity, secondly, write (2,2) (2,4) (2,6) wherein (2,4) be positive polarity (2,2) (2,6) are negative polarity, thereafter, write (1,1) (1,3) (1,5) wherein (1,3) is positive polarity, (1,1) (1,5) is negative polarity, after connecing, write (3,2) (3,4) (3,6) wherein (3,2) (3,6) are positive polarity (3,4) be negative polarity, Fig. 8 is horizontal direction 1+2 point inversion driving polarity for tracing point reversible type source electrode driver drives the partial pixel polarity distribution plan that pixel multiple writes.Fig. 9 A～9C is the partial pixel polarity distribution plan that depiction 8 shows with monochrome.In Fig. 9 A, 9B, when the picture demonstration was red or blue, the driving polarity of panel was the row counter-rotating, and only in Fig. 9 C, the green driving polarity of picture demonstration is the some counter-rotating, and as shown, the quality of image of counter plate like this is bad.Therefore put the reversible type source electrode driver and can't accomplish that each monochrome is a counter-rotating, thereby can cause phenomenon such as cross-talk.
Summary of the invention
The object of the present invention is to provide a kind ofly, show that can reach the polarity dots counter-rotating when monochromatic distributes, and can reduce horizontal cross-talk and improve the quality of image in order to improve the display packing of the quality of image that pixel multiple writes.
Another object of the present invention is to provide a kind of is that the counter-rotating of polarity row distributes in the time of can avoiding showing monochrome in order to improve the display device of the quality of image that pixel multiple writes, and therefore can reduce horizontal cross-talk and promote the quality of image.
The present invention proposes a kind of in order to improve the display packing of the quality of image that pixel multiple writes, and comprises following steps: at first, use source electrode driver to drive a plurality of pixels that a pixel multiple writes display panel with polarity row inversion mode; Thereafter, the pixel multiple a plurality of pixels that write display panel show that the polarity of those pixels is a display frame that counter-rotating distributes.
Further described according to preferred embodiment of the present invention, above-mentioned pixel multiple writes display panel and comprises many source electrode lines and many gate lines, many source electrode line is coupled to source electrode driver, many gate line is coupled to gate drivers, and each source electrode line of many source electrode lines and two gate lines of many corresponding gate lines drive two pixels of those pixels jointly.
Further described according to preferred embodiment of the present invention, the a plurality of pixels that above-mentioned pixel multiple writes display panel show the step of the display frame of tool points counter-rotating distribution, comprise those pixels of driving K row in regular turn and those pixels of K+1 row, K is a natural number, wherein drive those pixels of K row and those pixels of K+1 row in regular turn and comprise following steps: at first, driving is positioned at first pixel of a plurality of pixels of K row, thereafter, driving is positioned at second pixel of those pixels of K+1 row, after connecing, drive the 3rd pixel of those pixels that are positioned at the K row.
The present invention proposes a kind of in order to improve the display device of the quality of image that pixel multiple writes in addition, comprise source electrode driver and pixel multiple writes display panel: wherein source electrode driver drives a plurality of pixels that a pixel multiple writes display panel with polarity row inversion mode, and a plurality of pixels that pixel multiple writes display panel show that the polarity of more than one pixel is a display frame that counter-rotating distributes.
Further described according to preferred embodiment of the present invention, above-mentioned comprise many gate lines and many source electrode lines in order to the display device of improving the quality of image that pixel multiple writes, wherein M bar gate line is coupled to the grid of the first transistor, M+1 bar gate line is coupled to the grid of transistor seconds, N bar source electrode line is coupled to the source electrode of the first transistor, the drain electrode of this first transistor is coupled to the source electrode of first pixel capacitance and this transistor seconds, and the drain electrode of transistor seconds is coupled to second pixel capacitance.。
The present invention writes display panel because of adopting the source electrode driver that drives with the polarity row to drive pixel multiple, and therefore, the pixel that can reach picture all is the polarity dots counter-rotating and distributes when showing each primary colors, thereby can reduce horizontal cross-talk and improve the quality of image.
For above-mentioned and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is a circuit block diagram of describing available liquid crystal display 100.
Fig. 2 is a circuit diagram of describing available liquid crystal display panel 103.。
Fig. 3 is a partial pixel location map of describing available liquid crystal display panel 103.
Fig. 4 A is a polarity distribution plan of the partial pixel of difference depiction 3.
Fig. 4 B is another polarity distribution plan of the partial pixel of difference depiction 3.
Fig. 4 C is a polarity distribution plan again of the partial pixel of difference depiction 3.
Fig. 4 D is the another polarity distribution plan of the partial pixel of difference depiction 3.
Fig. 4 E is another polarity distribution plan again of the partial pixel of difference depiction 3.
Fig. 5 describes the circuit diagram that pixel multiple writes display panel.
Fig. 6 A is the partial pixel location map that depiction 5 pixel multiple write.
Fig. 6 B is the partial pixel write sequence figure that depiction 5 pixel multiple write.
Fig. 7 is a circuit block diagram of drive-type source electrode driven integrated circuit.
Fig. 8 drives the partial pixel polarity distribution plan that pixel multiple writes for tracing point reversible type source electrode driver.
Fig. 9 A is the polarity distribution plan of depiction 8 with the partial pixel of monochrome demonstration.
Fig. 9 B is depiction 8 another polarity distribution plan with the partial pixel of monochrome demonstration.
Fig. 9 C is the another polarity distribution plan of depiction 8 with the partial pixel of monochrome demonstration.
Figure 10 be describe the embodiment of the invention in order to improve the display device of the quality of image that pixel multiple writes.
Figure 11 describes the row reversible type source electrode driver 1002 of the embodiment of the invention and the circuit block diagram of corresponding source electrode line S1～Sn.
Figure 12 is the multiple partial pixel pole diagram that writes display panel of embodiment of the invention pixel.
Figure 13 A describes the polarity distribution plan of Figure 12 with the partial pixel of monochrome demonstration.
Figure 13 B describes the another polarity distribution plan of Figure 12 with the partial pixel of monochrome demonstration.
Figure 13 C describes Figure 12 another polarity distribution plan with the partial pixel of monochrome demonstration.
Drawing reference numeral:
101,1002: gate drivers
102,1001: source electrode driver
103,1003: display panels
GD1～GDn, SD1～SDm: integrated circuit
T1～T3: transistor
C1～C3: liquid crystal capacitance
G0～G5: gate line
S1～Sn+8: source electrode line
Embodiment
Figure 10 be describe the embodiment of the invention in order to improve the display device of the quality of image that pixel multiple writes.This display device comprises: row reversible type source electrode driver 1002, gate drivers 1001, pixel multiple write display panel 1003, wherein row reversible type source electrode driver 1002 drives a plurality of pixels that a pixel multiple writes display panel 1003 with polarity row inversion mode, and pixel multiple writes display panel 1003 and shows that polarity is a picture that counter-rotating distributes.Figure 11 describes the row reversible type source electrode driver 1002 of the embodiment of the invention and the circuit block diagram of corresponding source electrode line S1～Sn.When same sequential, each output polarity of row reversible type source electrode driver is all identical, in other words, the output of source electrode line S1, S2, Sn-1, Sn all is identical polar, do integral transformation according to sequential, though therefore be the row counter-rotating if the data writing mode that uses row reversible type source electrode driver collocation pixel multiple to write the uniqueness of display panel 1003 then can be found the source electrode driver that uses, the driving polarity of panel integral body but can reach the effect of a counter-rotating.
Pixel multiple display panel 1003 has the structure of Fig. 5, gate lines G 1 is coupled to the grid of transistor T 3, gate lines G 2 is coupled to the grid of transistor T 2, source electrode line Sn is coupled to the source electrode of transistor T 2, the drain electrode of transistor T 3 is coupled to pixel capacitance C3, and the source electrode of this transistor T 3 is coupled to the drain electrode of transistor T 2, and the drain electrode of transistor T 2 is coupled to pixel capacitance C2.Pixel multiple display panel 1003 comprises the driving order with Fig. 6 B, and establishing K is natural number, drives first pixel (being order 1 in Fig. 6 B) of those pixels that are positioned at the K row; Driving is positioned at second pixel (order 2) of those pixels of K+1 row: and the 3rd pixel (order 3) that drives those pixels that are positioned at the K row, order 4～9 can the rest may be inferred for all the other.
Figure 12 is the multiple partial pixel pole diagram that writes display panel of embodiment of the invention pixel.Can use Fig. 6 A to define location of pixels.R represents red, G represents green, B represents red, and this puts in order and has a colored filter (scheming not shown), a plurality of red blocks for pixel multiple writes display panel 1003, a plurality of green blocks, a plurality of blue blocks, described red block, described green block, the setting that is staggered of described blue block please also refer to Fig. 6 A and Figure 12, and its order that writes data of those pixels is as follows, at first, gate lines G 0, G1 opens (1,2) (1,4) (1,6) writes data simultaneously, and is all positive polarity, secondly, gate lines G 1, G2 opens (2,2) (2,4) (2,6) write data simultaneously, and are all negative polarity, thereafter, gate lines G 1 is opened (1,1) (1,3) (1,5) writes data simultaneously, and is all negative polarity, connect inferior, gate lines G 2, G3 opens (3,2) (3,4) (3,6) write data simultaneously, and be all positive polarity, after connecing, gate lines G 2 opens (2,1) (2,3) (2,5) write data simultaneously, and are all positive polarity.
As shown in Figure 12, though the driving polarity of panel integral body is to use the source electrode driven integrated circuit of row counter-rotating thus, but can reach a reverse function, so just can improve the quality of image, Figure 13 A～13C describes the partial pixel polarity distribution plan that Figure 12 shows with monochrome.Therefore, no matter be generally speaking, still saying from monochromatic, all is some counter-rotating.
By preferred embodiment of the present invention, the pixel multiple of all staggered drivings between each row writes panel, all applicable driving method of the present invention adopts the row reversible type to know the personage of this skill when knowing that the pixel multiple that is not limited to the foregoing description writes the circuit structure of display panel.
In sum, write display panel in the present invention because of adopting the source electrode driver that drives with the polarity row to drive pixel multiple, therefore, the pixel that can reach picture all is the polarity dots counter-rotating and distributes when showing each primary colors, thereby can reduce horizontal cross-talk and improve the quality of image.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any personage who has the knack of this skill, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (6)
1. one kind in order to improve the display device of the quality of image that pixel multiple writes, and comprises:
One row reversible type source electrode driver;
One gate drivers; And
One pixel multiple writes display panel and comprises a plurality of pixels, many source electrode lines and many gate lines, described source electrode line is coupled to described row reversible type source electrode driver, described gate line is coupled to described gate drivers, and each source electrode line of described source electrode line and two gate lines of corresponding described gate line drive first pixel and second pixel of those pixels jointly;
Wherein M bar gate line is coupled to the grid of a first transistor, M+1 bar gate line is coupled to the grid of a transistor seconds, N bar source electrode line is coupled to the source electrode of this transistor seconds, the drain electrode of this first transistor is coupled to one first pixel capacitance, the source electrode of described the first transistor is coupled to the drain electrode of this transistor seconds, and the drain electrode of this transistor seconds is coupled to one second pixel capacitance;
By gate drivers and row reversible type source electrode driver, driving described pixel multiple in regular turn writes in the display panel: first pixel that is positioned at those pixels of K row, be positioned at first pixel of those pixels of K+1 row, be positioned at second pixel of those pixels of K row, and make the polarity of those pixels be a counter-rotating distribution.
2. as claimed in claim 1 in order to improve the display device of the quality of image that pixel multiple writes, wherein this pixel multiple writes display panel and comprises a colored filter, this colored filter comprises a plurality of red blocks, a plurality of green block, a plurality of blue block, the setting that is staggered of described red block, described green block, described blue block.
3. as claimed in claim 1 in order to improve the display device of the quality of image that pixel multiple writes, it is a display panels that wherein said pixel multiple writes display panel.
4. one kind in order to improve the display packing of the quality of image that pixel multiple writes, and comprises following steps:
Provide a row reversible type source electrode driver and a pixel multiple to write display panel, and described pixel multiple write display panel and comprise a plurality of pixels;
Wherein, described pixel multiple writes display panel and comprises many source electrode lines and many gate lines, described source electrode line is coupled to described row reversible type source electrode driver, described gate line is coupled to a gate drivers, and each source electrode line of described source electrode line and two gate lines of corresponding described gate line drive first pixel and second pixel of those pixels jointly;
Wherein M bar gate line is coupled to the grid of a first transistor, M+1 bar gate line is coupled to the grid of a transistor seconds, N bar source electrode line is coupled to the source electrode of this transistor seconds, the drain electrode of this first transistor is coupled to one first pixel capacitance, the source electrode of described the first transistor is coupled to the drain electrode of this transistor seconds, and the drain electrode of this transistor seconds is coupled to one second pixel capacitance;
Use described gate drivers and described row reversible type source electrode driver, driving described pixel multiple in regular turn writes in the display panel, those pixels of first pixel of those pixels of first pixel of those pixels of K row, K+1 row, K row second pixel, and make the polarity of those pixels be a counter-rotating to distribute.
5. as claimed in claim 4 in order to improve the display packing of the quality of image that pixel multiple writes, wherein said pixel multiple writes display panel and comprises a colored filter, this colored filter comprises a plurality of red blocks, a plurality of green block, a plurality of blue block, the setting that is staggered of described red block, described green block, described blue block.
6 is as claimed in claim 4 in order to improve the display packing of the quality of image that pixel multiple writes, and it is a display panels that wherein said pixel multiple writes display panel.
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| CNB2006101322120A CN100552768C (en) | 2006-10-12 | 2006-10-12 | In order to improve the display device and the display packing thereof of the quality of image that pixel multiple writes |
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| CN101681609B (en) * | 2007-06-14 | 2012-05-30 | 夏普株式会社 | Display device |
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| TWI425491B (en) * | 2010-06-09 | 2014-02-01 | Innolux Corp | Liquid crystal display device and a method for driving same |
| CN101894520B (en) * | 2010-08-06 | 2012-09-19 | 友达光电股份有限公司 | Flat panel display and display data control method thereof |
| CN110333632B (en) * | 2019-06-29 | 2022-04-12 | 上海中航光电子有限公司 | Array substrate, display panel and display device |
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