CN106324929A - Electric charge sharing device and method of display panel - Google Patents
Electric charge sharing device and method of display panel Download PDFInfo
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- CN106324929A CN106324929A CN201510377340.0A CN201510377340A CN106324929A CN 106324929 A CN106324929 A CN 106324929A CN 201510377340 A CN201510377340 A CN 201510377340A CN 106324929 A CN106324929 A CN 106324929A
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- data channel
- electric charge
- display floater
- drive signal
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
-
- 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
Abstract
The invention discloses an electric charge sharing device and method of a display panel. The change trends of voltage of data drive signals of a first data channel and a third data channel corresponding to adjacent scanning lines are contrary, short circuit between the first data channel and the third data channel which have the same polarity occurs.
Description
Technical field
The invention relates to a kind of display device, and the electric charge in particular to a kind of display floater is total to
Enjoy device and method.
Background technology
In recent years, liquid crystal display is because having the spy that low power consumption, radiationless pollution and high spatial utilize
Property, little by little become the main flow in market.In the drive circuit of display, source electrode driver is one important
Element, its in order to change numeral display data signal into pixel voltage and provide pixel voltage to by
The pixel opened, is thereby stored in the storage capacitors that pixel electrode is formed with common electrode by pixel voltage
In.
In order to reduce the power consumption of source electrode driver, electric charge shares (Charge sharing) technology in can
Apply at transmission pixel voltage to display panels.Such as, it is applied to row reversion (column inversion)
Type of drive produces the source electrode driver of pixel voltage.Charge sharing techniques can be in odd data passage and idol
Configuration switch between number data channel, is just converting by controlling the switch display data signal in data channel
During negative polarity, being first about to odd data passage is electrically short-circuited to each other with even data passage so that odd data leads to
Road and even data passage are able to mean allocation electric charge, and make odd data passage and even data passage
Current potential falls before (rising) in advance near common voltage VCOM.Therefore, data driver only need to make number
Near common voltage VCOM, it is discharged to negative-polarity levels according to the voltage level of passage and (or charges to positive pole
Property level), and then save polarity inversion institute power consumption power.
In the case of Display Technique constantly improves, traditional charge sharing techniques cannot meet saving gradually
The demand of the power consumption of source electrode driver.Drive accordingly, it would be desirable to new charge sharing techniques reduces source electrode
The power consumption of dynamic device.
Summary of the invention
The present invention provides a kind of electric charge sharing means and the method for display floater, can effectively further reduce
The power consumption of display floater.
The electric charge sharing means of the display floater of the present invention, wherein display floater is for carry out with polarity row reversion
Driving, the electric charge sharing means of display floater includes multi-strip scanning line, the first data channel, the second data
Passage, triple data path, the first electric charge share switch and data drive unit, wherein drive first,
The data drive signal of triple data path has different from the data drive signal driving the second data channel
Polarity.First electric charge is shared switch and is coupled to first, between triple data path.Data drive unit
Judge the electricity of the first data channel corresponding to adjacent scanning lines and the data drive signal of triple data path
Pressure variation tendency is the most contrary, if the first data channel corresponding to adjacent scanning lines and triple data path
The change in voltage trend of data drive signal contrary, turn on the first electric charge and share switch.
In one embodiment of this invention, the electric charge sharing means of above-mentioned display floater also includes turntable driving
Unit, control unit and switch element.Control unit couples scan drive cell and data drive unit,
Control scan drive cell and drive scan line, and control data drive unit and export data drive signal respectively
To data channel.Switch element is coupled between data drive unit and data channel, in the first electric charge altogether
Enjoy switch switched on time, be controlled by control unit and be closed.
In one embodiment of this invention, the electric charge sharing means of above-mentioned display floater, also include the 4th number
Share switch according to passage, the second electric charge, tricharged shares switch and the 4th electric charge shares switch.Its
In the second electric charge share switch and be coupled between first, second data channel, tricharged shares switch coupling
Be connected between the second, the 4th data channel, the 4th electric charge share switch be coupled to the three, the 4th data lead to
Between road, data drive unit is also when the row reversion of display floater polarity to be carried out, and first conducting first is to the
Four electric charges share switch.
In one embodiment of this invention, the electric charge sharing means of above-mentioned display floater, also include the second electricity
Lotus is shared switch, the 4th data channel and tricharged and shares switch.Wherein the second electric charge shares switch
It is coupled between second, third data channel.Tricharged is shared switch and is coupled to the second, the 4th data
Between passage, data drive unit also when the row reversion of display floater polarity to be carried out, first turns on first,
Second, third electric charge shares switch.
In one embodiment of this invention, above-mentioned data drive signal is multibit signal, data drive unit
Also judge the first data channel and the 3rd corresponding to adjacent scanning lines according to the data bit of data drive signal
The change in voltage trend of the data drive signal of data channel is the most contrary.
In one embodiment of this invention, above-mentioned data drive unit also foundation data drive signal is the highest
Significance bit judges the data-driven letter of the first data channel corresponding to adjacent scanning lines and triple data path
Number change in voltage trend the most contrary.
The electric charge sharing method of the display floater of the present invention, wherein display floater is for carry out with polarity row reversion
Driving, display floater includes multi-strip scanning line, the first data channel, the second data channel and the 3rd number
According to passage, drive first, the data drive signal of triple data path and the number of driving the second data channel
According to driving signal to have different polarity, the electric charge sharing method of display floater comprises the following steps.Receive
The first data channel corresponding to adjacent scanning lines and the data drive signal of triple data path.Judge phase
The change in voltage of adjacent the first data channel corresponding to scan line and the data drive signal of triple data path
Trend is the most contrary.If the first data channel corresponding to adjacent scanning lines and the data of triple data path
The change in voltage trend driving signal is contrary, makes short circuit between the first data channel and triple data path.
In one embodiment of this invention, above-mentioned display floater also includes the 4th data channel, display floater
Electric charge sharing method also comprise the following steps.Judge the row reversion of display floater polarity to be carried out.If
The row reversion of display floater polarity to be carried out, makes short circuit between the first data channel to the 4th data channel.
In one embodiment of this invention, above-mentioned data drive signal is multibit signal, it is judged that adjacent scanning
The first data channel corresponding to line with the change in voltage trend of the data drive signal of triple data path is
No contrary step includes, judges the corresponding to adjacent scanning lines according to the data bit of data drive signal
One data channel is the most contrary with the change in voltage trend of the data drive signal of triple data path.
In one embodiment of this invention, the above-mentioned data bit according to data drive signal judges adjacent scanning
The first data channel corresponding to line with the change in voltage trend of the data drive signal of triple data path is
No contrary step includes, judges corresponding to adjacent scanning lines according to the highest significant position of data drive signal
The first data channel the most contrary with the change in voltage trend of the data drive signal of triple data path.
Based on above-mentioned, embodiments of the invention by the first data channel corresponding to adjacent scanning lines with
When the change in voltage trend of the data drive signal of triple data path is contrary, make the first data channel and the
Short circuit between triple data path, to lower the power consumption of display floater further.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and combine
Accompanying drawing is described in detail below.
Accompanying drawing explanation
Fig. 1 is schematically shown as the schematic diagram of the electric charge sharing means of the display floater of one embodiment of the invention.
Fig. 2 illustrates the change in voltage trend of the data drive signal of the data channel of one embodiment of the invention and shows
It is intended to.
Fig. 3 illustrates the change in voltage trend of the data drive signal of the data channel of another embodiment of the present invention
Schematic diagram.
Fig. 4 illustrates the schematic diagram of the electric charge sharing means of the display floater of another embodiment of the present invention.
Fig. 5 illustrates the schematic flow sheet of the electric charge sharing method of the display floater of one embodiment of the invention.
Fig. 6 illustrates the schematic flow sheet of the electric charge sharing method of the display floater of one embodiment of the invention.
[reference numeral explanation]
102: control unit
104: data drive unit
106: switch element
108: scan drive cell
L1, L2: scan line
C1～C4: data channel
SW1～SW5: electric charge shares switch
P1: pixel cell
S1: display data signal
The electric charge sharing method step of S502～S508, S602～S606: display floater
Detailed description of the invention
Fig. 1 is schematically shown as the schematic diagram of the electric charge sharing means of the display floater of one embodiment of the invention, please join
According to Fig. 1.The electric charge sharing means of display floater includes scan line L1, L2, data channel C1～C4, electricity
Lotus share switch SW1～SW4, control unit 102, data drive unit 104, switch element 106 with
And scan drive cell 108.Wherein scan line L1, L2 couple scan drive cell 108, data channel
C1～C4 couples data drive unit 104, scan line L1, L2 and data channel by switch element 106
C1～C4 setting interlaced with each other, that is, scan line L1, bearing of trend and data channel C1～the C4 of L2
Bearing of trend not parallel, it is preferable that scan line L1, bearing of trend and data channel C1～the C4 of L2
Bearing of trend generallyperpendicular.Wherein, the staggered place in each scan line Yu data channel is configured with picture
Element unit P1.It should be noted that for purposes of illustration only, the present embodiment display floater electric charge share dress
Put and include two scan lines L1, L2 and 4 data channel C 1～C4, but be not limited thereto,
The electric charge sharing means of display floater also can include that more scan line and data are led in other embodiments
Road.
Drive it addition, control unit 102 couples data drive unit 104, switch element 106 and scanning
Moving cell 108, control unit 102 can control scan drive cell 108 drive in order scan line L1,
L2, to open the pixel cell P1 on scan line L1, L2, and depends in the period that pixel cell P1 opens
Control data drive unit 104 according to display data signal S1 and export data drive signal, lead to driving data
Road C1～C4.In this example it is shown that panel be driven to by polarity row reversion in the way of carry out,
The polarity of the pixel cell on thus like data wire is identical, and the polarity of the pixel cell of adjacent data line
On the contrary.Such as, in the present embodiment, driving data channel C 1, the data drive signal of C3 and driving
Data channel C2, the data drive signal of C4 have different polarity, therefore corresponding driving data passage
The pixel cell P1 of C1, C3 has different from the pixel cell P1 of corresponding driving data channel C 2, C4
Polarity.
Data drive unit 104 can determine whether data channel C1 corresponding to adjacent scanning lines L1, L2 and number
Change in voltage trend according to the data drive signal of channel C 3 is the most contrary, if corresponding to adjacent scanning lines
Data channel C1 is contrary with the change in voltage trend of the data drive signal of data channel C3, then electric conduction
Lotus shares switch SW1, shares so that data channel C1 and data channel C3 carry out electric charge, saves electric power
Consume.Wherein, when turning on electric charge and sharing switch SW1, control unit 102 also changes switch element
The conducting state of 106, to disconnect data drive unit 104 with data channel C1, C3, it is to avoid data
The voltage influence of driver element 104 output is shared to the electric charge between data channel C1, C3.On the contrary,
If data channel C1 corresponding to adjacent scanning lines becomes with the voltage of the data drive signal of data channel C3
Change trend is identical, and such as voltage all becomes greatly or all diminishes, then be not turned on electric charge and share switch SW1, to keep away
Exempt to reduce the voltage putting forward high-tension data drive signal during next scanning line driving, or will
During next scanning line driving, the voltage of the data drive signal of voltage to be reduced improves, and makes on the contrary
Electric charge is shared and is caused unnecessary power consumption.
Specifically, above-mentioned data drive unit 104 judges the number corresponding to adjacent scanning lines L1, L2
The mode the most contrary with the change in voltage trend of the data drive signal of data channel C3 according to channel C 1 can
Such as judge according to the data bit of data drive signal.For example, Fig. 2 illustrates the present invention one enforcement
The change in voltage trend schematic diagram of the data drive signal of the data channel of example, refer to Fig. 2.In this reality
Execute and example is assumed the signal that data drive signal is 8 (but being not limited, data drive signal also may be used
Multibit signal for other), that is its voltage represents can be 0～255 with place value.When scan line L1 is driven
Time dynamic, data channel C1 is respectively 240 with the place value of the data drive signal corresponding to data channel C3
And 56, and when next scan line L2 is driven, data channel C1 is right with data channel C3 institute
The place value of the data drive signal answered is respectively 72 and 228.As shown in Figure 2, data channel C1 institute
The voltage of corresponding data drive signal has the trend diminished, and the data corresponding to data channel C3 are driven
The voltage of dynamic signal has the trend becoming big, and therefore data drive unit 104 can be driven in scan line L1
After, before scan line L2 is driven, first electric conduction lotus shared switch SW1 carries out electric charge to be shared, and neutralizes
Electric charge on data channel C1, C3, to lower power consumption.
For further, data drive unit 104 can be only in accordance with the highest significant position of data drive signal
Judge the change in voltage trend of the data drive signal of data channel C1, C3, such as the enforcement at Fig. 2
In example, the data drive signal that data channel C1 is corresponding when scan line L1 is driven the highest effectively
Position is " 1 ", and the highest significant position of the data drive signal corresponding when scan line L2 is driven is " 0 ",
The additionally highest significant position of the data drive signal that data channel C3 is corresponding when scan line L1 is driven
For " 0 ", and the highest significant position of the data drive signal corresponding when scan line L2 is driven is " 1 ".
Also i.e., it is possible to place value 128 (with binary representation being, " 10000000 ") is as the datum line judged, number is worked as
(alternatively, number when all striding across this datum line is changed according to the place value of channel C 1, the data drive signal of C3
When all changing according to the highest significant position of channel C 1, the data drive signal of C3), just judge that data are led to
Road C1 is contrary with the change in voltage trend of the data drive signal of data channel C3 (such as Fig. 2 embodiment institute
Show).If the place value change of at least one of data drive signal of data channel C1, C3 does not strides across this benchmark
Line, if the place value change of the data drive signal of such as data channel C1 is become 140, or data from 240
The place value change of the data drive signal of channel C 3 is become 90 from 56, then data drive unit 104 is not led
Energising lotus shared switch SW1 carries out electric charge to be shared.
Fig. 3 illustrates the change in voltage trend of the data drive signal of the data channel of another embodiment of the present invention
Schematic diagram, refer to Fig. 3.The most also the signal that data drive signal is 8 is assumed, so
And be not limited, when scan line L1 is driven, corresponding to data channel C1 and data channel C3
The place value of data drive signal be respectively 242 and 146, and when next scan line L2 is driven,
The place value of data channel C1 and data drive signal corresponding to data channel C3 be respectively 170 and
226.Unlike Fig. 2 embodiment, in the present embodiment, data drive unit 104 is except depending on simultaneously
Judge that according to highest significant position and a secondary high position voltage of the data drive signal of data channel C1, C3 becomes
Change trend.Understanding with reference to Fig. 3, data channel C1 data corresponding when scan line L1 is driven are driven
In dynamic signal, two the highest positions are " 11 ", and the data-driven corresponding when scan line L2 is driven is believed
Two positions the highest in number are " 10 ", and additionally data channel C3 is corresponding when scan line L1 is driven
Two positions the highest in data drive signal are " 10 ", and the data corresponding when scan line L2 is driven
Driving two the highest positions in signal is " 11 ".Also i.e., it is possible to place value 192 (with binary representation be,
" 11000000 ") as the datum line judged, when data channel C1, the place value of the data drive signal of C3
When change all strides across this datum line, (alternatively, the data drive signal of data channel C1 is the highest two
When position changes, the highest two positions of the data drive signal of data channel C3 also change),
Judge that data channel C1 is contrary (such as Fig. 3 with the change in voltage trend of the data drive signal of data channel C3
Shown in embodiment).If at least one of data drive signal of data channel C1, C3 place value change not across
Cross this datum line, if the place value change of the data drive signal of such as data channel C1 is become 210 from 242,
Or the place value change of the data drive signal of data channel C3 is become 180 from 146, then data drive unit
104 be not turned on electric charge share switch SW1 carry out electric charge share.So judge that change in voltage becomes by increase
The position of gesture, under the unchanged situation of highest significant position, still can determine whether that adjacent scanning lines L1, L2 institute is right
Data channel C1 answered is the most contrary with the change in voltage trend of the data drive signal of data channel C3,
Also can judge whether to electric charge more accurately share.
From above-described embodiment, participate in judging that the position of change in voltage trend is the most, it is judged that result will be got over
Accurately, participate in judging that the position number of change in voltage trend can be designed according to actual demand, not with above-mentioned
Example be limited.Additionally, similarly, the electric charge sharing mode of data channel C2 and data channel C4 is also
Can implement such as the mode of data channel C 1 with data channel C3, if judge adjacent scanning lines L1,
The change in voltage trend phase of data channel C2 corresponding to L2 and the data drive signal of data channel C4
Instead, electric charge shared switch SW3 can be turned on share to carry out electric charge, to be effectively reduced power consumption.By
Electric charge sharing mode and data channel C1 and data channel C3 in data channel C2 and data channel C4
Embodiment be similar to, therefore do not repeat them here.
In the above-described embodiments, data drive unit 104 can in same picture number to identical polar
Carry out electric charge according to interchannel to share to lower power consumption.In addition, data drive unit 104 also may be used
When the row reversion of display floater polarity to be carried out, first electric conduction lotus shares switch SW1～SW4, so that number
Carry out electric charge according to interchannel to share, neutralize the electric charge in the data channel of opposed polarity, reduce electric power
Consume.Wherein, when the electric charge carried out between data channel is shared, control unit 102 also can be by control
Switch element 106 is by separated with data channel C1～C4 for data drive unit 104, to avoid data to drive
The output voltage of moving cell 104 affects data channel C1～C4 carries out electric charge and shares.
Fig. 4 illustrates the schematic diagram of the electric charge sharing means of the display floater of another embodiment of the present invention, please join
According to Fig. 4.The electric charge sharing means of the present embodiment is, in this enforcement with the difference of Fig. 1 embodiment
There is no electric charge in example and share switch SW2, SW4, but a newly-increased electric charge shares switch SW5, it is coupled to
Between data channel C2, C3, data drive unit 104 can be in the row reversion of display floater polarity to be carried out
Time, first electric conduction lotus is shared switch SW1, SW3, SW5, carries out with the data channel to opposed polarity
Electric charge is shared, and neutralizes the electric charge in the data channel of opposed polarity, reduces the consumption of electric power.With Fig. 1
Embodiment compare, it equally can reach the effect reducing power consumption, and owing to it can configure one less
Switch, therefore can additionally have the advantage saved circuit area, reduce manufacturing cost.
Fig. 5 illustrates the schematic flow sheet of the electric charge sharing method of the display floater of one embodiment of the invention, please
With reference to Fig. 5.Wherein display floater is for be driven with polarity row reversion, and display floater includes multi-strip scanning
Line, the first data channel, the second data channel and triple data path, and drive the first, the 3rd number
From the data drive signal driving the second data channel, there is different pole according to the data drive signal of passage
Property.From above-described embodiment, the electric charge sharing method of display floater can comprise the following steps.First,
Receive the data drive signal (step of the first data channel corresponding to adjacent scanning lines and triple data path
Rapid S502).Next, it is determined that the first data channel corresponding to adjacent scanning lines and the number of triple data path
Whether contrary (step S504) according to the change in voltage trend driving signal, if the corresponding to adjacent scanning lines
One data channel is contrary with the change in voltage trend of the data drive signal of triple data path, makes the first number
According to short circuit (step S506) between passage and triple data path, shared to carry out electric charge, reduce electric power and disappear
Consumption.If on the contrary, the data of the first data channel corresponding to adjacent scanning lines and triple data path are driven
The change in voltage trend of dynamic signal is not contrary, does not the most make between the first data channel and triple data path short
Road (step S508).Wherein data drive signal can for example, multibit signal, it is judged that adjacent scanning lines institute is right
The first data channel answered is the most contrary with the change in voltage trend of the data drive signal of triple data path
Mode for example, can judge first corresponding to adjacent scanning lines according to the data bit of data drive signal
Data channel is the most contrary with the change in voltage trend of the data drive signal of triple data path, such as,
Can according to the highest significant position of data drive signal judge the first data channel corresponding to adjacent scanning lines with
The change in voltage trend of the data drive signal of triple data path is the most contrary.It should be noted that ginseng
Can be designed according to actual demand with the position number judging change in voltage trend, be not limited thereto, participate in
Judge that the position of change in voltage trend is the most, it is judged that result will be the most accurate.
Fig. 6 illustrates the schematic flow sheet of the electric charge sharing method of the display floater of one embodiment of the invention, please
With reference to Fig. 6.The present embodiment is with the difference of Fig. 5 embodiment, and the display floater of the present embodiment is also
Including the 4th data channel.Additionally, after step S506 with step S508, also can then judge display
Panel polarity to be carried out row reversion (step S602), if the row reversion of display floater polarity to be carried out, then
Make short circuit (step S604) between the first data channel to the 4th data channel.If display floater is not on the contrary
Polarity to be carried out row reversion, does not the most make short circuit (step between the first data channel to the 4th data channel
S606)。
In sum, the present invention is by same picture, when the first number corresponding to adjacent scanning lines
According to the change in voltage trend of passage and the data drive signal of triple data path contrary time, make to have identical
Short circuit between first data channel and the triple data path of polarity, is only capable of in display compared to prior art
Carrying out electric charge during data signal conversion positive-negative polarity to share, the present invention can further lower display floater
Power consumption.
Claims (10)
1. an electric charge sharing means for display floater, wherein this display floater is for carry out with polarity row reversion
Drive, including:
Multi-strip scanning line；
One first data channel；
One second data channel；
One triple data path, wherein drive this first, the data drive signal of triple data path with drive
The data drive signal of this second data channel dynamic has different polarity；
One first electric charge shares switch, be coupled to this first, between triple data path；And
One data drive unit, it is judged that this first data channel corresponding to adjacent scanning lines and the 3rd number
Change in voltage trend according to the data drive signal of passage is the most contrary, if being somebody's turn to do corresponding to adjacent scanning lines
First data channel is contrary with the change in voltage trend of the data drive signal of this triple data path, conducting
This first electric charge shares switch.
2. the electric charge sharing means of display floater as claimed in claim 1, also includes:
One scan driver element；
One control unit, couples this scan drive cell and this data drive unit, controls this turntable driving
Unit drives these scan lines, and controls this data drive unit and export these data drive signal respectively extremely
These data channel；And
One switch element, is coupled between these data drive unit and these data channel, in this first
Electric charge is shared when switching switched on, is controlled by this control unit and is closed.
3. the electric charge sharing means of display floater as claimed in claim 1, also includes:
One second electric charge shares switch, is coupled between this first, second data channel；
One the 4th data channel；
One tricharged shares switch, is coupled between this second, the 4th data channel；And
One the 4th electric charge shares switch, is coupled between the three, the 4th data channel, this data-driven
Unit also this display floater polarity to be carried out row reversion time, first turn on this first to fourth electric charge share open
Close.
4. the electric charge sharing means of display floater as claimed in claim 1, also includes:
One second electric charge shares switch, is coupled between this second, third data channel；
One the 4th data channel；And
One tricharged shares switch, is coupled between this second, the 4th data channel, this data-driven
Unit also when the row reversion of this display floater polarity to be carried out, first turns on this first, second, third electric charge
Share switch.
5. the electric charge sharing means of display floater as claimed in claim 1, wherein these data-drivens letter
Number being multibit signal, this data drive unit also judges adjacent according to the data bit of these data drive signal
This first data channel corresponding to scan line becomes with the voltage of the data drive signal of this triple data path
Change trend is the most contrary.
6. the electric charge sharing means of display floater as claimed in claim 5, wherein this data drive unit
Also judge these first data corresponding to adjacent scanning lines according to the highest significant position of these data drive signal
Passage is the most contrary with the change in voltage trend of the data drive signal of this triple data path.
7. an electric charge sharing method for display floater, wherein this display floater is for carry out with polarity row reversion
Driving, this display floater includes multi-strip scanning line, the first data channel, the second data channel and the 3rd
Data channel, drive this first, the data drive signal of triple data path leads to driving these second data
The data drive signal in road has different polarity, and the electric charge sharing method of this display floater includes:
Receive the data-driven of this first data channel corresponding to adjacent scanning lines and this triple data path
Signal；
Judge the data-driven of this first data channel corresponding to adjacent scanning lines and this triple data path
The change in voltage trend of signal is the most contrary；And
If the data-driven letter of this first data channel corresponding to adjacent scanning lines and this triple data path
Number change in voltage trend contrary, make short circuit between this first data channel and this triple data path.
8. the electric charge sharing method of display floater as claimed in claim 7, wherein display floater also includes
One the 4th data channel, the electric charge sharing method of display floater, also include:
Judge the row reversion of this display floater polarity to be carried out；And
If the row reversion of this display floater polarity to be carried out, make this first data channel to the 4th data channel
Between short circuit.
9. the electric charge sharing method of display floater as claimed in claim 7, wherein these data-drivens letter
Number it is multibit signal, it is judged that this first data channel corresponding to adjacent scanning lines and this triple data path
The most contrary step of the change in voltage trend of data drive signal include:
Judge that these first data corresponding to adjacent scanning lines are led to according to the data bit of these data drive signal
Road is the most contrary with the change in voltage trend of the data drive signal of this triple data path.
10. the electric charge sharing method of display floater as claimed in claim 9, wherein according to these data
The data bit driving signal judges that this first data channel corresponding to adjacent scanning lines is led to the 3rd data
The step that the change in voltage trend of the data drive signal in road is the most contrary includes:
This first number corresponding to adjacent scanning lines is judged according to the highest significant position of these data drive signal
The most contrary with the change in voltage trend of the data drive signal of this triple data path according to passage.
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