CN103280195B - Row reversion is adopted to drive liquid crystal indicator and the driving method thereof of the reversion of realization point - Google Patents
Row reversion is adopted to drive liquid crystal indicator and the driving method thereof of the reversion of realization point Download PDFInfo
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- CN103280195B CN103280195B CN201210220400.4A CN201210220400A CN103280195B CN 103280195 B CN103280195 B CN 103280195B CN 201210220400 A CN201210220400 A CN 201210220400A CN 103280195 B CN103280195 B CN 103280195B
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Abstract
The invention provides a kind of liquid crystal indicator and the driving method that adopt row reversion driving to realize some reversion, in described display device, the sub-pixel of first kind row and data line adjacent on the left of it couple, the sub-pixel that Equations of The Second Kind is capable and data line adjacent on the right side of it couple, by the adjustment of structure, realize when scanning first kind row, data bus is transmission of data signals from Article 1 data line, and when scanning even number line, data bus can " be shifted " to transmission of data signals from Article 2 data line, thus first kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission, thus make data bus can when to first kind row or Equations of The Second Kind capable transmission of data signals, adopt compiling order and the compile mode of equalized data signal, thus reduce the compiling difficulty of the data-signal presentation mode of data bus, and do not need the structure changing original driver element (IC).
Description
Technical field
The present invention relates to liquid crystal flat-panel display technique, particularly relate to the liquid crystal indicator and the driving method thereof that adopt row reversion to drive the reversion of realization point.
Background technology
At present, liquid crystal display gradually becomes the valuable feature of consumption electronic product now, it is widely used in the display screen of the equipment such as the mobile terminal with high-resolution color screen, and wherein Thin Film Transistor-LCD (TFT-LCD) is one of main liquid crystal display.Each liquid crystal pixel o'clock of described Thin Film Transistor-LCD is driven by a TFT.
For avoiding the polarity of liquid crystal molecule in liquid crystal pixel point to be destroyed, the display voltage of liquid crystal pixel point one end needs constantly conversion, higher or lower than the common electrode voltage (V of the other end
com), but voltage difference keeps fixing, make the polarity of each liquid crystal pixel point not stop conversion, but the GTG demonstrated immobilizes.And the relation of the polarity of adjacent liquid crystal pixel point determines dipole inversion mode, its dipole inversion mode comprises frame reversion, row reversion, row reversion and some reversion four kinds: in each picture of frame reversion, all adjacent liquid crystal pixel points all have identical polarity, row reversion is that same row or column has identical polar with row reversion, adjacent row or column has opposite polarity, and some reversion is then that the liquid crystal pixel point that each liquid crystal pixel point is adjacent all has polarity.Wherein, some reversion because seldom there is scintillation (Flicker) and crosstalk phenomenon (Crosstalk), display effect the best, and becomes main way.But, under identical common-battery voltage, some reversion need the variation frequency of gate line output voltage and changing voltage size maximum, the power consumption therefore putting reversion is maximum.
Prior art propose a kind of adopts row reversion drive realize some reversion a display device, the patent No. be US2007/0091044A1 U.S. patents disclose a kind of crystal device improving dot structure liquid.Fig. 1 is the functional block diagram of liquid crystal indicator (Liquidcrystaldisplay, LCD) of the prior art.Composition graphs 1, liquid crystal indicator comprises some gate lines G ate1 for transmitting sweep signal, Gate2, Gate3 ... for data bus SC1, SC2, SC3 of data signal ..., data line S1, S2, S3 ..., and display panels 100.Described display panels 100 is formed by some sub-pixel T arrayed, described sub-pixel is generally thin film transistor (TFT) (ThinFilmTransistor, TFT), respectively a kind of in red green and blue (RGB), each sub-pixel provides display voltage for a liquid crystal pixel point.Described data line and described gate line is staggered is divided into some subpixel area, each sub-pixel is arranged in a subpixel area, and the grid of TFT is connected on the gate line of corresponding row, and the source electrode of TFT is connected on corresponding data line.In the process of data signal, for improving transmission speed, usual some data line composition data line group, the data line of each data line group divides Different periods to provide data-signal by a data bus.Such as, every three data lines form one group, realize RGB tri-sub-pixels that a number transfer bus is followed successively by same a line and provide data-signal, data bus provides the process of signal, time and voltage etc. all to have by the driver element of outside (IC) way of compiling control.
When gate line sequentially exports sweep signal, this row sub-pixel be connected with gate line is opened, simultaneously source bus line divides time outputting data signals in the sub-pixel coupled with this data line by data line, sub-pixel is made to be charged to the display voltage of each needs, to show different gray scales, then this row gate line stops exporting sweep signal, discharge and recharge from the first row sub-pixel is often gone successively, until after completing the discharge and recharge of last column sub-pixel, return the sub-picture of the first row, realize the display of liquid crystal display.Wherein, as Fig. 1, in array of sub-pixels in restraint device of the present invention, the sub-pixel of odd-numbered line and data line adjacent on the left of it couple, the sub-pixel of even number line and data line adjacent on the right side of it couple, the dislocation achieving odd rows and even number line sub-pixel is arranged, the sub-pixel of the same order of adjacent lines is made to be connected to two adjacent data lines, make the voltage of adjacent data line supply different, namely realize some reversion, industry claims array of sub-pixels arrangement mode for " Zigzag arranges.
But, for " the array of sub-pixels arrangement of Zigzag; the Article 1 data line not connexon pixel of even number line; the Article 1 data bus be then connected with first three data line only provides the data-signal of two data lines; therefore when compiling data bus and providing time and the content of data-signal; need the presentation mode of the data-signal of compiling Article 1 data bus separately, add compiling difficulty.In addition, from second data line group, the sub-pixel unit of every a line is all according to such as " R, G, B, R, G, B ... " mode arrange, so, for odd-numbered line and even number line, the RGB of the sub-pixel that same data bus couples is different, such as odd number behavior " R, G, B ", even number line is then " G, B, R ", it is different for making data bus be the way of compiling control of the data-signal of odd-numbered line and even number line supply, add the compiling difficulty of the data-signal presentation mode of data bus equally, and then improve area and the complexity of driver element (IC) structure.
Summary of the invention
The object of this invention is to provide one can adopt row inversion driving mode to realize some reversion, and does not need to change driver element, can reduce the display device of the compiling difficulty of data bus data-signal presentation mode.
For solving the problems of the technologies described above, the invention provides a kind of liquid crystal indicator adopting row reversion to drive the reversion of realization point, comprising:
Some gate lines, for transmitting sweep signal;
Some data buss, for data signal;
Some data lines, described data line and described gate line staggered, described data line is divided into some data line group successively, last organizes the number all many of number than data line in other data line group of data line in data line, wherein, the data-signal receiving the data bus be connected with described data line group is selected on each data line equal timesharing ground of each data line group, and the Article 1 data line of each data line group also selects the data-signal receiving the data bus be connected with last data line group from the second data line group;
Some sub-pixels, sub-pixel and the data line adjacent on the left of it of first kind row couple, the sub-pixel that Equations of The Second Kind is capable and data line adjacent on the right side of it couple, and described first kind row and the capable Interleaving every other row of Equations of The Second Kind arrange, and the number of described data line is than the number many of every row sub-pixel.
Further, described display device also comprises MUX, and described MUX is used for data bus selectivity to connect corresponding data line, to be inputed to by described data-signal in the sub-pixel that couples with this data line.
Further, described MUX comprises some and described data line group switches set and some selection lines one to one, described switches set is used for the data-signal selectivity of the data bus of respective data lines group to transfer in the data line of respective data lines group, and described selection line is for controlling the on off state of the switch in described switches set.
Further, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is identical with the number of data line in last data line group, each switches set shares a group selection line, and every bar selects line to control the on off state of the switch of corresponding order in each switches set successively.
Further, first of each switches set is connected on the corresponding data line of corresponding data line group successively to penultimate switch, except last switches set, last switch of each switches set is connected on the Article 1 data line of a rear data line group, and in last switches set, last switch is connected on the last item data line of last data line group.
Further, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, and source electrode is connected with data line, and drain electrode is connected with data bus.
Further, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, and the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
Further, often row sub-pixel is formed by the repeated arrangement of the combination of some display redness, green and blue sub-pixel.
Further, except last group data line, in other data line group, the number of data line is the integral multiple of 3.
The present invention also provides a kind of driving method adopting the type of drive of row reversion to realize the display device of some reversion, comprising:
The gate line of row to be scanned transmits sweep signal, data bus data signal;
When scanning the sub-pixel of first kind row, sub-pixel receives described data-signal by data line adjacent on the left of it;
When the sub-pixel that scanning Equations of The Second Kind is capable, sub-pixel receives described data-signal by data line adjacent on the right side of it, wherein, and described first kind row and the capable Interleaving every other row arrangement of Equations of The Second Kind;
From second group of data line group, the first data line of each data line group selects the data-signal of the last data bus receiving the data bus be connected with described data line group, first data line of the first data line group does not receive the data-signal of the data bus be connected with described data line group, and other data lines often organized in data line group select the data-signal receiving the data bus be connected with described data line group.
Further, described display device also comprises MUX, described MUX comprises some and described data line group switches set and some selection lines one to one, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is identical with the number of data line in last data line group, each switches set shares a group selection line, first of each switches set is connected on the corresponding data line of corresponding data line group successively to penultimate switch, except last switches set, last switch of each switches set is connected on the Article 1 data line of a rear data line group, in last switches set, last switch is connected on the last item data line of last data line group.
Further, when first kind row sub-pixel is opened, open respectively in different time sections to penultimate switch for first of each switches set, last switch of each switches set cuts out all the time; When the capable sub-pixel of Equations of The Second Kind is opened, second of each switches set is opened in different time sections respectively to last switch, and first switch of each switches set cuts out all the time.
Further, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, and source electrode is connected with data line, and drain electrode is connected with data bus.
Further, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, and the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
Further, often row sub-pixel is formed by the repeated arrangement of the combination of some display redness, green and blue sub-pixel.
Further, except last group data line, in other data line group, the number of data line is the integral multiple of 3.
The present invention also provides a kind of and adopts row reversion to drive the liquid crystal indicator realizing some reversion, comprising:
Some gate lines, for transmitting sweep signal;
Some data lines, described data line and described gate line staggered;
Some sub-pixels, the number of described data line is than the number many of every row sub-pixel, first kind row first is coupled to Article 1 to second from the bottom data line to last sub-pixel one_to_one corresponding, capable first of Equations of The Second Kind is coupled to Article 2 to final data line reciprocal to last sub-pixel one_to_one corresponding, and described first kind row and the capable Interleaving every other row of Equations of The Second Kind arrange;
Some data buss, every bar data bus provides data-signal for X+1 bar data line, described first kind row X*Y-X+1 receives by X*Y-X+1 article to X*Y article data line the data-signal that Y article of data bus provide successively to X*Y sub-pixel, capable X*Y-X+1 article to the X*Y article sub-pixel of described Equations of The Second Kind receives by X*Y-X+2 article to X*Y+1 article data line the data-signal that Y article of data bus provide successively, wherein X is positive integer, and Y is greater than 1 and is less than or equal to the number of data bus.
Further, described display device also comprises MUX, and described MUX is used for data bus selectivity to be switched to corresponding data line, to be inputed to by described data-signal in the sub-pixel that couples with this data line.
Further, described MUX comprises some with data bus switches set and some selection lines one to one, described switches set is used for the data-signal selectivity of data bus to transfer to timesharing successively in corresponding data line, and described selection line is for controlling the on off state of the switch in described switches set.
Further, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is X+1, each switches set shares a group selection line, the number of described selection line is identical with the number of switches set breaker in middle, and every bar selects line to control the on off state of the switch of corresponding order in each switches set successively.
Further, first to X switch of Y switches set is connected to X*Y-X+1 article to X*Y article data line successively between Y article of data bus, and X+1 switch of Y switches set is connected between Y article of data bus and X*Y-Y+1 article of data line.
Further, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, and its source electrode is connected with described data line, and its drain electrode is connected with described data bus.
Further, often row sub-pixel has X*Y, and data line has X*Y+1 bar.
Further, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, and the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
Further, often row sub-pixel is formed by the repeated arrangement of the combination of some display redness, green and blue sub-pixel.
Further, described X is the integral multiple of 3.
The present invention also provides a kind of driving method adopting row reversion to drive the liquid crystal indicator of realization point reversion, comprising:
The gate line of row to be scanned transmits sweep signal, data bus data signal;
When scanning first kind row, Y article of data bus provides data-signal for X*Y-X+1 to X*Y sub-pixel by X*Y-X+1 article to X*Y article data line in timesharing ground successively;
When scanning Equations of The Second Kind and being capable, Y article of data bus successively timesharing ground to X*Y sub-pixel provides data-signal to X*Y+1 data line for X*Y-X+1 by X*Y-X+2 article, and wherein X is positive integer, Y be greater than 2 positive integer.
Further, described display device also comprises MUX, described MUX comprises some with data bus switches set and some selection lines one to one, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is X+1, each switches set shares a group selection line, first to X switch of Y switches set is connected to X*Y-X+1 article to X*Y article data line successively between Y article of data bus, X+1 switch of Y switches set is connected between Y article of data bus and X*Y-Y+1 article of data line.
Further, when first kind row sub-pixel is opened, open successively to X for first of each switches set, X+1 switch of each switches set cuts out all the time; When the capable sub-pixel of Equations of The Second Kind is opened, second to X+1 switch of each switches set is opened successively, and first switch of each switches set cuts out all the time.
Further, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, and its source electrode is connected with data line, and its drain electrode is connected with data bus.
Further, often row sub-pixel has X*Y, and data line has X*Y+1 bar.
Further, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, and the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
Further, often row sub-pixel is formed by the repeated arrangement of the combination of some display redness, green and blue sub-pixel.
Further, described X is the integral multiple of 3.
In sum, the sub-pixel of display device of the present invention is " Zigzag array arrangement; namely when the sub-pixel of first kind row couples with every bar data line respectively from Article 1 data line, the sub-pixel that Equations of The Second Kind is capable couples with every bar data line respectively from Article 2 data line.By setting up MUX, MUX is made to control when scanning first kind row, data bus can from Article 1 data line, to the data line transfer data-signal in the data line group connected in Different periods, and then to the sub-pixel transmission of data signals coupled with this data line, and when scanning Equations of The Second Kind and being capable, data bus can " be shifted " to from Article 2 data line, to the data line transfer data-signal in the data line group connected within the different time periods, and then to the sub-pixel transmission of data signals coupled with this data line, thus first kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission, thus make data bus can when to first kind row or Equations of The Second Kind capable transmission of data signals, adopt compiling order and the compile mode of equalized data signal, thus reduce the compiling difficulty of the data-signal presentation mode of data bus, and do not need the structure changing original driver element (IC).
Accompanying drawing explanation
Fig. 1 adopts row reversion to drive the liquid crystal indicator realizing some reversion in prior art.
Fig. 2 adopts row reversion to drive the liquid crystal indicator realizing some reversion in one embodiment of the invention.
Fig. 3 adopts row reversion to drive the liquid crystal indicator of realization point reversion to drive the sequential chart of scanning process in one embodiment of the invention.
Embodiment
For making content of the present invention clearly understandable, below in conjunction with Figure of description, content of the present invention is described further.Certain the present invention is not limited to this specific embodiment, and the general replacement known by those skilled in the art is also encompassed in protection scope of the present invention.
Secondly, the present invention's detailed statement that utilized schematic diagram to carry out, when describing example of the present invention in detail, for convenience of explanation, schematic diagram, should in this, as limitation of the invention not according to general ratio partial enlargement.
The invention provides a kind of liquid crystal indicator adopting row inversion driving mode to realize some reversion, comprise some gate lines, some data buss, some data lines and some sub-pixels.
Wherein, described gate line is for transmitting sweep signal; Described data bus is used for data signal; Described data line and described gate line staggered, the number of described data line is than the number many of every row sub-pixel.
Described data line is divided into some data line group successively, last organizes the number all many of number than data line in other data line group of data line in data line, wherein, the data-signal receiving the data bus be connected with described data line group is selected on each data line equal timesharing ground of each data line group, and the Article 1 data line of each data line group also selects the data-signal receiving the data bus be connected with last data line group from the second data line group; Sub-pixel and the data line adjacent on the left of it of first kind row couple, the sub-pixel that Equations of The Second Kind is capable and data line adjacent on the right side of it couple, namely being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled, described first kind row and the capable Interleaving every other row of Equations of The Second Kind arrange, i.e. described first kind behavior odd-numbered line then described Equations of The Second Kind behavior even number line, or described first kind behavior even number line then described Equations of The Second Kind behavior odd-numbered line.
In the present embodiment, described sub-pixel is periodic arrangement, and often the arrangement of row sub-pixel is identical, and such as often row sub-pixel is formed according to the cycle repeated arrangement of the sub-pixel of display red (R), green (G) and blue (B).Often row sub-pixel can also repeat according to the cycle of the sub-pixel of display red (R), green (G), blue (B) and white (W), in addition, adopting the sub-pixel of other colour developing modes and arrangement to be formed also can within thought range of the present invention.
Described display device also comprises MUX, and described MUX is used for data bus selectivity to connect corresponding data line, to be inputed to by described data-signal in the sub-pixel that couples with this data line.
Described MUX comprises some and described data line group switches set and some selection lines one to one, the number of described selection line is identical with the number of described switches set breaker in middle, described switches set is used for the data-signal selectivity of the data bus of respective data lines group to transfer in the data line of respective data lines group, and described selection line is for controlling the on off state of the switch in described switches set.In this enforcement, the number of each switches set breaker in middle is identical with the number of data line in last data line group.
First of each switches set is connected on the corresponding data line of corresponding data line group successively to penultimate switch, except last switches set, last switch of each switches set is connected on the Article 1 data line of a rear data line group, and in last switches set, last switch is connected on the last item data line of last data line group.Each switches set shares a group selection line, and every bar selects line to control the on off state of the switch of corresponding order in each switches set successively.In the present embodiment, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line.
In the present embodiment, often row sub-pixel T is periodic arrangement, and such as, according to the arrangement of " R, G, B " order loop cycle, often the arrangement of row sub-pixel T is identical.Such as, and except last group data line, in other data line group, the number of data line is the integral multiple of 3, and the number of the sub-pixel making every bar data bus provide data-signal corresponding is the integral multiple in arrangement cycle, 3,6,9 etc.In preferred embodiment, except last group data line, in other data line group, the number of data line is 3, namely within the time that sweep trace is opened, every bar data bus is altogether for three sub-pixels coupled with three data lines provide data-signal, then each sub-pixel receives data-signal the time of carrying out charging is 1/3 of sweep trace opening time, thus can either ensure that the opening time of sweep trace need not be long, ensures the duration of charging that sub-pixel is enough simultaneously.
In conjunction with aforementioned display, the driving method of this display device comprises the following steps: the gate line of row to be scanned transmits sweep signal, data bus data signal; When scanning the sub-pixel of first kind row, sub-pixel receives described data-signal by data line adjacent on the left of it; When the sub-pixel that scanning Equations of The Second Kind is capable, sub-pixel receives described data-signal by data line adjacent on the right side of it, wherein, and described first kind row and the capable Interleaving every other row arrangement of Equations of The Second Kind; From second group of data line group, the first data line of each data line group selects the data-signal of the last data bus receiving the data bus be connected with described data line group, first data line of the first data line group does not receive the data-signal of the data bus be connected with described data line group, and other data lines often organized in data line group select the data-signal receiving the data bus be connected with described data line group.
Further, when first kind row sub-pixel is opened, open respectively in different time sections to penultimate switch for first of each switches set, last switch of each switches set cuts out all the time; When the capable sub-pixel of Equations of The Second Kind is opened, second of each switches set is opened in different time sections respectively to last switch, and first switch of each switches set cuts out all the time.
The sub-pixel of display device of the present invention is " Zigzag " array arrangement, namely when the sub-pixel of first kind row couples with every bar data line respectively from Article 1 data line, the sub-pixel that Equations of The Second Kind is capable couples with every bar data line respectively from Article 2 data line.By setting up MUX, MUX is made to control when scanning first kind row, data bus can from Article 1 data line, to the data line transfer data-signal in the data line group connected in Different periods, and then to the sub-pixel transmission of data signals coupled with this data line, and when scanning Equations of The Second Kind and being capable, data bus can " be shifted " to from Article 2 data line, to the data line transfer data-signal in the data line group connected within the different time periods, and then to the sub-pixel transmission of data signals coupled with this data line, thus first kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission, thus make data bus can when to first kind row or Equations of The Second Kind capable transmission of data signals, adopt compiling order and the compile mode of equalized data signal, thus reduce the compiling difficulty of the data-signal presentation mode of data bus.
Present invention also offers the another kind of display device adopting row reversion driving to realize some reversion, comprise some gate lines, some data buss, some data lines and some sub-pixels.
Wherein, described gate line is for transmitting sweep signal; Described data bus is used for data signal; Described data line and described gate line staggered.
If X is positive integer, Y is greater than 1 and is less than or equal to the number of data bus, and often row sub-pixel has X*Y, and data line has X*Y+1 bar.
In the present embodiment, described sub-pixel is periodic arrangement, and often the arrangement of row sub-pixel is identical, and such as often row sub-pixel is formed according to the cycle repeated arrangement of the sub-pixel of display red (R), green (G) and blue (B).In preferred embodiment, described X is the integral multiple of 3, and the number of the sub-pixel making every bar data bus provide data-signal corresponding is the integral multiple in arrangement cycle.
The number of described data line is than the number many of every row sub-pixel, first kind row first is coupled to Article 1 to second from the bottom data line to last sub-pixel one_to_one corresponding, capable first of Equations of The Second Kind is coupled to Article 2 to final data line reciprocal to last sub-pixel one_to_one corresponding, and described first kind row and the capable Interleaving every other row of Equations of The Second Kind arrange; Every bar data bus provides data-signal for X+1 bar data line, described first kind row X*Y-X+1 receives by X*Y-X+1 article to X*Y article data line the data-signal that Y article of data bus provide successively to X*Y sub-pixel, capable X*Y-X+1 article to the X*Y article sub-pixel of described Equations of The Second Kind receives by X*Y-X+2 article to X*Y+1 article data line the data-signal that Y article of data bus provide successively, wherein X is positive integer, and Y is greater than 1 and is less than or equal to the number of data bus.
Described display device also comprises MUX, and described MUX is used for data bus selectivity to be switched to corresponding data line, to be inputed to by described data-signal in the sub-pixel that couples with this data line.Described MUX comprises some with data bus switches set and some selection lines one to one, described switches set is used for the data-signal selectivity of data bus to transfer to timesharing successively in corresponding data line, and described selection line is for controlling the on off state of the switch in described switches set.
The number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is X+1, each switches set shares a group selection line, the number of described selection line is identical with the number of switches set breaker in middle, every article first to X the switch selecting line to control on off state Y the switches set of the switch of corresponding order in each switches set is successively connected to X*Y-X+1 article to X*Y article data line successively between Y article of data bus, X+1 switch of Y switches set is connected between Y article of data bus and X*Y-Y+1 article of data line.
In preferred embodiment, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, and source electrode is connected with data line, and drain electrode is connected with data bus.
In conjunction with aforementioned display, the driving method of this display device, comprising: the gate line of row to be scanned transmits sweep signal, data bus data signal; When scanning first kind row, Y article of data bus provides data-signal for X*Y-X+1 to X*Y sub-pixel by X*Y-X+1 article to X*Y article data line in timesharing ground successively; When scanning Equations of The Second Kind and being capable, Y article of data bus successively timesharing ground to X*Y sub-pixel provides data-signal to X*Y+1 data line for X*Y-X+1 by X*Y-X+2 article, and wherein X is positive integer, Y be greater than 2 positive integer.
Further, when first kind row sub-pixel is opened, open successively to X for first of each switches set, X+1 switch of each switches set cuts out all the time; When the capable sub-pixel of Equations of The Second Kind is opened, second to X+1 switch of each switches set is opened successively, and first switch of each switches set cuts out all the time.
Fig. 2 adopts row reversion to drive the liquid crystal indicator realizing some reversion in one embodiment of the invention.For the described display device of clearer convenient description, composition graphs 2, below with four gate lines G ate1 ~ Gate4, article four, data bus SC1 ~ SC4, article 13, data line S1 ~ S13, often row has 12 sub-pixels, and described first kind behavior odd-numbered line, described Equations of The Second Kind behavior even number behavior embodiment, structure and the driving method of display device of the present invention are described, will be clear that, display device of the present invention is never only limitted to above-mentioned quantity, in the art production process of reality, gate line, data bus, data line, the quantity of sub-pixel can be up to a hundred even thousands of, its number is not defined, specifically can determine according to technological requirement.
In the present embodiment, except last group, other every three data lines form a data line group and are connected with a data bus, last group data line group is made up of four data lines, namely first group of data line group comprises data line S1 ~ S3 and is connected with Article 1 data SC1, second data line group comprises data line S4 ~ S6 and is connected with Article 2 data SC2,3rd data line group comprises data line S7 ~ S9 and is connected with Article 3 data SC3, and the 4th data line group then comprises data line S10 ~ S13 and is connected with Article 4 data SC4.
Described four gate lines G ate1 ~ Gate4 and described 13 data line S1 ~ S13 interlock, and each sub-pixel T is positioned at described gate line and data line staggered place; In odd-numbered line, namely be expert at a gate lines G ate1 and Article 3 gate lines G ate3, the data line of each sub-pixel T on the left of it connects, namely first sub-pixel and Article 1 data line S1 couple, second sub-pixel and Article 2 data line S2 couple, by that analogy, the 12 sub-pixel and Article 12 data line S12 couple; In even number line, namely in two gate lines G ate2 and Article 4 gate lines G ate4 are expert at, each sub-pixel and the data line on the right side of it couple, namely first sub-pixel and Article 2 data line S2 couple, second sub-pixel and Article 3 data line S3 couple, by that analogy, described 12 sub-pixel and Article 13 data line S13 couple.
Described display device also comprises four groups of switches set, each switches set comprises four switches, first group of switches set comprises SW1 ~ SW4, second group of switches set comprises interrupteur SW 5 ~ SW8, 3rd group of switches set comprises interrupteur SW 9 ~ SW12, 4th group of switches set comprises interrupteur SW 13 ~ SW16, wherein, and first to the 3rd interrupteur SW 1 ~ SW3 of each switches set, SW5 ~ SW7, SW9 ~ SW11, SW13 ~ SW15 is connected on the data line of the same order of each data line group, namely Article 1 is corresponding in turn to Article 12 data line S1 ~ S12, last interrupteur SW 16 in last switches set is connected on Article 13 data line S13, the 4th interrupteur SW 4 of other switches set, SW8, after SW12 is connected to, the Article 1 data line of a data line group, is namely corresponding in turn to Article 4 data line S4, Article 7 data line S7 and Article 10 data line S10, therefore data line S4, S7 and S10 can not only respectively by SW5, SW9, SW13 receives data bus S2, S3, the data-signal that S4 transmits, can also respectively by SW4, SW8, SW12 receives data bus S1, S2, the data-signal that S3 transmits.In addition in each switches set four switches successively by four gate line controlled switch states.In the present embodiment, each switch is TFT (Thin Film Transistor (TFT)), its source electrode connection data line end, and drain electrode is connected to data bus section, grid connection control line end.
This display device is in the process driving scanning, and first the gate line of a certain row to be scanned transmits sweep signal, simultaneously data bus data signal.
When behavior odd-numbered line to be scanned, Article 4 selects line CK4 to close, Article 1, open successively at Different periods to Article 3 CK1 ~ CK3, SW1 ~ SW3 in first to the 3rd switch of each switches set, SW5 ~ SW7, SW9 ~ SW11, SW13 ~ SW15 respective switch is opened, data bus SC1 ~ SC4 in data line S1 ~ S12 corresponding data line to corresponding sub-pixel transmission of data signals, such as Article 1 selects line CK1 first to open, first interrupteur SW 1 of each switches set, SW5, SW9 and SW13 opens, then the first data bus SC1 transmits sweep signal by Article 1 data line S1 to sub-pixel, second data bus SC2 transmits sweep signal through Article 4 data line S4, and then to the sub-pixel transmission of data signals of correspondence, the like.And when behavior even number line to be scanned, Article 1, select line CK1 to close, Article 2 is opened in Different periods successively to Article 4 CK2 ~ CK4, the switch opens of corresponding connection in second to the 4th interrupteur SW 2 ~ SW4, SW6 ~ SW8 of each switches set, SW10 ~ SW12, SW14 ~ SW16, then data bus SC1 ~ SC4 by the switch that is opened to data line S1 ~ S12 transmission of data signals, and then in the sub-pixel that is connected with gate line as this data line of transmission.
Fig. 3 adopts row reversion to drive the liquid crystal indicator of realization point reversion to drive the sequential chart of scanning process in one embodiment of the invention.Composition graphs 3, the driving scanning detailed process of described liquid crystal indicator is:
First, Article 1, gate lines G ate1 opens and transmits sweep signal, within the time that Article 1 gate lines G ate1 opens, line CK1 ~ CK3 is selected to open successively within the different time periods, first Article 1 selects line CK1 to open, then first interrupteur SW 1 of each switches set, SW5, SW9 and SW13 opens, every bar data bus SC1 ~ SC4 simultaneously by the switch opened to corresponding data line S1, S3, S7 and S10 transmission of data signals, namely Article 1 data bus SC1 passes through first interrupteur SW 1 of first switches set to Article 1 data line S1 transmission of data signals, Article 2 data bus SC2 passes through first interrupteur SW 5 of second switches set to Article 4 data line S4 transmission of data signals, Article 3 data bus SC3 passes through first interrupteur SW 9 of the 3rd switches set to Article 7 data line S7 transmission of data signals, Article 4 data bus SC4 passes through first interrupteur SW 13 of the 4th switches set to Article 10 data line S10 transmission of data signals, and then receive with the sub-pixel that data line couples the data-signal transmitted, then Article 1 selects line CK1 to close, Article 2 selects line CK2 to open, every bar data bus SC1 ~ SC4 simultaneously by the switch opened to corresponding data line S2, S5, S8 and S11 transmission of data signals, and then receive with the sub-pixel that data line couples the data-signal transmitted, thereafter Article 2 selects line CK2 to close, Article 2 selects line CK3 to open, every bar data bus SC1 ~ SC4 simultaneously by the switch opened to corresponding data line S3, S6, S9 and S12 transmission of data signals, and then receive with the sub-pixel that data line couples the data-signal transmitted, in the process that Article 1 gate lines G ate1 opens, Article 13 data line S13 does not have transmission of data signals all the time, after all sub-pixels that Article 1 gate lines G ate1 is corresponding all complete the reception of data-signal, Article 1 gate lines G ate1 closes, and enters next line scanning.Certainly, select the opening sequence of line CK1 ~ CK3 not to be limited, the order that other such as CK2, CK3, CK1 etc. open successively is also within thought range of the present invention.
Then, Article 2 gate lines G ate2 opens, within the time that Article 2 gate lines G ate2 opens, line CK2 ~ CK4 is selected to open successively within the different time periods, first Article 1 selects line CK1 to open, then second interrupteur SW 2 of each switches set, SW6, SW10 and SW14 opens, every bar data bus SC1 ~ SC4 simultaneously by the switch opened to corresponding data line S2, S5, S8 and S11 transmission of data signals, namely Article 1 data bus SC1 passes through second interrupteur SW 2 of first switches set to Article 2 data line S2 transmission of data signals, Article 2 data bus SC2 passes through second interrupteur SW 6 of second switches set to Article 5 data line S5 transmission of data signals, Article 3 data bus SC3 passes through second interrupteur SW 10 of the 3rd switches set to Article 8 data line S8 transmission of data signals, Article 4 data bus SC4 passes through second interrupteur SW 14 of the 4th switches set to Article 11 data line S11 transmission of data signals, and then receive with the sub-pixel that data line couples the data-signal transmitted, then Article 2 selects line CK2 to close, Article 3 selects line CK3 to open, then the 3rd interrupteur SW 3 of each switches set, SW7, SW11 and SW15 opens, every bar data bus SC1 ~ SC4 simultaneously by the switch opened to corresponding data line S3, S6, S9 and S12 transmission of data signals, and then receiving with the sub-pixel that data line couples the data-signal transmitted: Article 3 selects line CK3 to close thereafter, Article 4 selects line CK4 to open, then the 4th interrupteur SW 4 of each switches set, SW8, SW12 and SW16 opens, every bar data bus SC1 ~ SC4 simultaneously by the switch opened to corresponding data line S4, S7, S10 and S13 transmission of data signals, and then receive with the sub-pixel that data line couples the data-signal transmitted, in the process that Article 2 gate lines G ate2 opens, Article 1 data line S1 does not have transmission of data signals all the time, after all sub-pixels that Article 2 gate lines G ate2 is corresponding all complete the reception of data-signal, Article 2 gate lines G ate2 closes, and enters next line scanning.Certainly, select the opening sequence of line CK2 ~ CK4 not to be limited, the order that other such as CK3, CK4, CK2 etc. open successively is also within thought range of the present invention.
In the scanning process of after this every a line, the gate line of odd-numbered line, the scanning process of the such as sub-pixel of Article 3 gate lines G ate3 is identical with the scanning process of the sub-pixel of Article 1 gate lines G ate1, the gate line of even number line, the sub-pixel scanning process of such as Article 4 gate lines G ate4 is identical with the scanning process of the sub-pixel of Article 2 gate lines G ate2, until all row has all scanned, then return Article 1 gate lines G ate1 and re-started new round scanning.
From foregoing description, when scanning first kind row, data bus is from Article 1 data line, transmission of data signals successively, and then to the sub-pixel transmission of data signals coupled with this data line, when and when scan even number line time, data bus can " be shifted " to from Article 2 data line, transmission of data signals successively, then no matter data bus is to first kind row or the capable transmission of data signals of Equations of The Second Kind, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission, data bus can adopt compiling order and the compile mode of equalized data signal, and then reduce the compiling difficulty of data-signal presentation mode of data bus, and do not need the structure changing original driver element (IC).
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention; have in any art and usually know the knowledgeable; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (27)
1. adopt row reversion to drive the liquid crystal indicator realizing some reversion, comprising:
Some gate lines, for transmitting sweep signal;
Some data buss, for data signal;
Some data lines, described data line and described gate line staggered, described data line is divided into some data line group successively, last organizes the number all many of number than data line in other data line group of data line in data line, wherein, the data-signal receiving the data bus be connected with described data line group is selected on each data line equal timesharing ground of each data line group, and the Article 1 data line of each data line group also selects the data-signal receiving the data bus be connected with last data line group from the second data line group, each described data line group is connected respectively to different described data buss,
Some sub-pixels, sub-pixel and the data line adjacent on the left of it of first kind row couple, the sub-pixel that Equations of The Second Kind is capable and data line adjacent on the right side of it couple, and described first kind row and the capable Interleaving every other row of Equations of The Second Kind arrange, and the number of described data line is than the number many of every row sub-pixel;
MUX, described MUX is used for data bus selectivity to connect corresponding data line, to be inputed to by described data-signal in the sub-pixel that couples with this data line; Described MUX comprises some and described data line group switches set and some selection lines one to one, described switches set is used for the data-signal selectivity of the data bus of respective data lines group to transfer in the data line of respective data lines group, described selection line is for controlling the on off state of the switch in described switches set, and the number of switches of each switches set is than the number all many of other data line group except last group;
First of each switches set is connected on the corresponding data line of corresponding data line group successively to penultimate switch, except last switches set, last switch of each switches set is connected on the Article 1 data line of a rear data line group, and in last switches set, last switch is connected on the last item data line of last data line group;
First kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission.
2. the liquid crystal indicator adopting row reversion driving to realize some reversion as claimed in claim 1, it is characterized in that, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is identical with the number of data line in last data line group, each switches set shares a group selection line, and every bar selects line to control the on off state of the switch of corresponding order in each switches set successively.
3. the liquid crystal indicator adopting row reversion driving to realize some reversion as claimed in claim 1, it is characterized in that, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, source electrode is connected with data line, and drain electrode is connected with data bus.
4. as the employing row reversion in claims 1 to 3 as described in any one drives the liquid crystal indicator realizing some reversion, it is characterized in that, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
5. the liquid crystal indicator adopting row reversion driving to realize some reversion as claimed in claim 4, it is characterized in that, often row sub-pixel is formed by the repeated arrangement of the combination of some display redness, green and blue sub-pixel.
6., as the employing row reversion in claim 5 as described in any one drives the liquid crystal indicator realizing some reversion, it is characterized in that, except last group data line, in other data line group, the number of data line is the integral multiple of 3.
7. the driving method adopting row reversion driving to realize the liquid crystal indicator of some reversion as claimed in claim 1, comprising:
The gate line of row to be scanned transmits sweep signal, data bus data signal;
When scanning the sub-pixel of first kind row, sub-pixel receives described data-signal by data line adjacent on the left of it;
When the sub-pixel that scanning Equations of The Second Kind is capable, sub-pixel receives described data-signal by data line adjacent on the right side of it, wherein, described first kind row and the capable Interleaving every other row arrangement of Equations of The Second Kind, first kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission;
From second group of data line group, the first data line of each data line group selects the data-signal of the last data bus receiving the data bus be connected with described data line group, first data line of the first data line group does not receive the data-signal of the data bus be connected with described data line group, and other data lines often organized in data line group select the data-signal receiving the data bus be connected with described data line group.
8. the liquid crystal indicator adopting row reversion driving to realize some reversion as claimed in claim 7, it is characterized in that, described display device also comprises MUX, described MUX comprises some and described data line group switches set and some selection lines one to one, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is identical with the number of data line in last data line group, each switches set shares a group selection line, first of each switches set is connected on the corresponding data line of corresponding data line group successively to penultimate switch, except last switches set, last switch of each switches set is connected on the Article 1 data line of a rear data line group, in last switches set, last switch is connected on the last item data line of last data line group.
9. the driving method adopting row reversion driving to realize the liquid crystal indicator of some reversion as claimed in claim 8, it is characterized in that, when first kind row sub-pixel is opened, open respectively in different time sections to penultimate switch for first of each switches set, last switch of each switches set cuts out all the time; When the capable sub-pixel of Equations of The Second Kind is opened, second of each switches set is opened in different time sections respectively to last switch, and first switch of each switches set cuts out all the time.
10. the driving method adopting row reversion driving to realize the liquid crystal indicator of some reversion as claimed in claim 8, it is characterized in that, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, source electrode is connected with data line, and drain electrode is connected with data bus.
11. realize a driving method for the liquid crystal indicator of reversion as the employing row reversion in claim 7 to 10 as described in any one drives, it is characterized in that, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
12. realize a driving method for the liquid crystal indicator of reversion as the employing row reversion in claim 7 to 10 as described in any one drives, it is characterized in that, often row sub-pixel is formed by the repeated arrangement of the combination of some display redness, green and blue sub-pixel.
13. realize a driving method for the liquid crystal indicator of reversion as the employing row reversion in claim 7 to 10 as described in any one drives, and it is characterized in that, except last group data line, in other data line group, the number of data line is the integral multiple of 3.
14. 1 kinds adopt row reversion to drive the liquid crystal indicator realizing some reversion, comprising:
Some gate lines, for transmitting sweep signal;
Some data lines, described data line and described gate line staggered;
Some sub-pixels, the number of described data line is than the number many of every row sub-pixel, first kind row first is coupled to Article 1 to second from the bottom data line to last sub-pixel one_to_one corresponding, capable first of Equations of The Second Kind is coupled to Article 2 to final data line reciprocal to last sub-pixel one_to_one corresponding, described first kind row and the capable Interleaving every other row of Equations of The Second Kind arrange, first kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission;
Some data buss, every bar data bus provides data-signal for X+1 bar data line, described first kind row X*Y-X+1 receives by X*Y-X+1 article to X*Y article data line the data-signal that Y article of data bus provide successively to X*Y sub-pixel, capable X*Y-X+1 article to the X*Y article sub-pixel of described Equations of The Second Kind receives by X*Y-X+2 article to X*Y+1 article data line the data-signal that Y article of data bus provide successively, wherein X is positive integer, and Y is greater than 1 and is less than or equal to the number of data bus;
Described display device also comprises MUX, and described MUX is used for data bus selectivity to be switched to corresponding data line, to be inputed to by described data-signal in the sub-pixel that couples with this data line;
Described MUX comprises some with data bus switches set and some selection lines one to one, described switches set is used for the data-signal selectivity of data bus to transfer to timesharing successively in corresponding data line, and described selection line is for controlling the on off state of the switch in described switches set;
The number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is X+1, each switches set shares a group selection line, the number of described selection line is identical with the number of switches set breaker in middle, and every bar selects line to control the on off state of the switch of corresponding order in each switches set successively;
First to X switch of Y switches set is connected to X*Y-X+1 article to X*Y article data line successively between Y article of data bus, and X+1 switch of Y switches set is connected between Y article of data bus and X*Y-Y+1 article of data line.
A liquid crystal indicator for the 15. employing row reversion driving realization point reversions stated as claim 14, it is characterized in that, described switch is TFT, the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, its source electrode is connected with described data line, and its drain electrode is connected with described data bus.
16. realize a liquid crystal indicator for reversion as the employing row reversion in claim 14 to 15 as described in any one drives, and it is characterized in that, often row sub-pixel has X*Y, and data line has X*Y+1 bar.
17. realize a liquid crystal indicator for reversion as the employing row reversion in claim 14 to 15 as described in any one drives, it is characterized in that, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
18. realize a liquid crystal indicator for reversion as the employing row in claim 14 to 15 as described in any one reverse to drive, and it is characterized in that, often row sub-pixel is formed by some repeated arrangement showing the combination of red, green and blue sub-pixel.
19. realize a liquid crystal indicator for reversion as the employing row reversion in claim 14 to 15 as described in any one drives, and it is characterized in that, described X is the integral multiple of 3.
20. 1 kinds of driving methods adopting row reversion driving to realize the liquid crystal indicator of some reversion as claimed in claim 14, comprising:
The gate line of row to be scanned transmits sweep signal, data bus data signal;
When scanning first kind row, Y article of data bus provides data-signal for X*Y-X+1 to X*Y sub-pixel by X*Y-X+1 article to X*Y article data line in timesharing ground successively;
When scanning Equations of The Second Kind and being capable, Y article of data bus successively timesharing ground to X*Y sub-pixel provides data-signal to X*Y+1 data line for X*Y-X+1 by X*Y-X+2 article, and wherein X is positive integer, Y be greater than 2 positive integer;
First kind row and Equations of The Second Kind capable in, the sub-pixel of same order can receive the data-signal of the same order from same data bus transmission.
21. adopt row reversion to drive the liquid crystal indicator realizing some reversion as claimed in claim 20, it is characterized in that, described display device also comprises MUX, described MUX comprises some with data bus switches set and some selection lines one to one, the number of described selection line is identical with the number of described switches set breaker in middle, the number of each switches set breaker in middle is X+1, each switches set shares a group selection line, first to X switch of Y switches set is connected to X*Y-X+1 article to X*Y article data line successively between Y article of data bus, X+1 switch of Y switches set is connected between Y article of data bus and X*Y-Y+1 article of data line.
22. adopt row reversion to drive the liquid crystal indicator realizing some reversion as claimed in claim 21, it is characterized in that, when first kind row sub-pixel is opened, open successively to X for first of each switches set, X+1 switch of each switches set cuts out all the time; When the capable sub-pixel of Equations of The Second Kind is opened, second to X+1 switch of each switches set is opened successively, and first switch of each switches set cuts out all the time.
23. adopt row reversion to drive the liquid crystal indicator realizing some reversion as claimed in claim 21, it is characterized in that, described switch is TFT, and the grid of each TFT in each switches set is corresponding in turn to connection one and selects line, its source electrode is connected with data line, and its drain electrode is connected with data bus.
24. realize a liquid crystal indicator for reversion as the employing row reversion in claim 20 to 23 as described in any one drives, and it is characterized in that, often row sub-pixel has X*Y, and data line has X*Y+1 bar.
25. realize a liquid crystal indicator for reversion as the employing row reversion in claim 20 to 23 as described in any one drives, it is characterized in that, described sub-pixel is periodic arrangement, often the arrangement of row sub-pixel is identical, being staggeredly located of the data line that in adjacent lines, the sub-pixel of same order couples, the sub-pixel that in any two adjacent lines, order is identical is corresponding with adjacent two data lines respectively to be coupled.
26. realize a liquid crystal indicator for reversion as the employing row in claim 20 to 23 as described in any one reverse to drive, and it is characterized in that, often row sub-pixel is formed by some repeated arrangement showing the combination of red, green and blue sub-pixel.
27. realize a liquid crystal indicator for reversion as the employing row reversion in claim 20 to 23 as described in any one drives, and it is characterized in that, described X is the integral multiple of 3.
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| KR101127593B1 (en) * | 2010-04-07 | 2012-03-23 | 삼성모바일디스플레이주식회사 | Liquid crystal display device |
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