CN103426410B - Display drive apparatus and the driving method of display floater - Google Patents
Display drive apparatus and the driving method of display floater Download PDFInfo
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Abstract
A kind of display drive apparatus and the driving method of display floater.Display drive apparatus includes display floater and display driver.Display floater includes multiple pixel cell and multiple multiplexer.Each multiplexer configures N data line.Display driver provides multiple display serial data and selects signal to multiplexer, to control above-mentioned multiplexer according to the display data selecting signal to receive and sequentially export described pixel cell.Each display serial data forms two display data groups of dissimilar polarities in same scan line, and these display data groups include the display data of at least one pixel cell.Thereby, display drive apparatus can reduce the number of change of polarity of display data when driving pixel cell, saves power consumption.
Description
Technical field
The present invention relates to a kind of display drive apparatus and driving method thereof, particularly relate to reduce display data
The number of change of polarity with the driving method of a kind of display drive apparatus of saving energy and display floater.
Background technology
As electronic industry is day by day flourishing, what flat-panel screens had become current display device wants angle, again with
Liquid crystal display (liquid crystal display；LCD) technology is popularized and skillful the most.Wherein, low temperature
Polysilicon (low-temperature polysilicon；LTPS) display speed of liquid crystal display is very fast, and
And it is provided simultaneously with the plurality of advantages such as high brightness, high-resolution, it is that current all big enterprises manufacture liquid crystal display
Prevailing technology.
Fig. 1 shows the hardware structure figure of a kind of liquid crystal display 100.Refer to Fig. 1, liquid crystal display
Device 100 includes display driver 110 and display floater 120.It has been shown here only related to this example
Liquid crystal display 100 framework, other circuit frameworks then can deduce easily and not illustrate.Multiplexer
(multiplexer) in 130 reception display drivers 110, source electrode buffers to (source driver pair) 140
The display serial data that provided of output line (for example, output line SOUT [X], SOUT [X+1]), for example,
Dissimilar polarities and the display data representing different colours (red, green and blue).Display driver 110
Utilize and select signal (for example, red pixel cell selection signal RSW, green pixel cell selection signal
GSW and blue pixel cells select signal BSW) control multiplexer 130, with timesharing and in order will
The display serial data that each pixel cell to be shown provides to (for example, red data in corresponding data wire
Line DR [X]～DR [X+1], green data line DG [X]～DG [X+1] and blue data line
DB [X]～DB [X+1]), and control scan line (for example, scan line LINE [M], LINE [M+1]) simultaneously
And drive the pixel cell on display floater 120.X, N, M described in this example are all positive integer.
Due to the characteristic of Polysilicon Liquid Crystal, display driver 110 is providing display data to display floater
When 120, each liquid crystal need to be allowed to receive the display data of opposed polarity alternately.Presently, display floater
Based on the driving kenel of 120 is mainly with a reversion (dot inversion) or row reversion (column inversion).
In general actuation techniques, owing to source electrode buffering once and again output can have dissimilar polarities to 140
Display data, say, that allow display serial data in positive-negative polarity exchange continuously after output,
Produce unnecessary power consumption by making the inside to 140 for the source electrode buffering.On the other hand, source electrode buffers to 140
Output line SOUT [X], SOUT [X+1] itself also have parasitic capacitance, cause display driver 110
The more power consumption when providing display voltage.
Content of the invention
The present invention provides the driving method of a kind of display drive apparatus and display floater, and it rearranges respectively
The offer order of the positive-negative polarity data of individual pixel cell and the unlatching sequential of multiplexer, allow display drive
Device can reduce the number of change of polarity of display data when driving pixel cell, saves power consumption.
The present invention proposes a kind of display drive apparatus, and it includes a display floater and a display driver.
Display floater includes multiple pixel cell and multiple multiplexer.These pixel cells of multirow are respectively by many
Data line provides its display data.Each multiplexer is then configured with N data line, N for more than or equal to
The positive integer of 2.Display driver is coupled to above-mentioned multiplexer, in order to provide multiple display serial data and many
Individual selection signal, to multiplexer, is used the above-mentioned multiplexer of control and is received according to selection signal and sequentially export
The display data of described pixel cell.Wherein, each display serial data forms different in same scan line
Two display data groups of polarity, and these display data groups include the display number of at least one pixel cell
According to.
In one embodiment of this invention, described each display serial data adjacent sequential in adjacent scanning lines
Display data group all there is identical polar.
For another viewpoint, the present invention proposes the driving method of a kind of display floater, and it includes following step
Suddenly.There is provided display floater, wherein this Display Panel includes multiple multiplexer and multiple pixel cell.Many
The described pixel cell of row is provided its display data by a plurality of data lines respectively, and each multiplexer then configures
N data line, N is the positive integer more than or equal to 2.Multiple display serial datas and multiple selection letter are provided
Number to described multiplexer, each of which display serial data forms the two of dissimilar polarities in same scan line
Individual display data group, and these display data groups include the display data of at least one pixel cell.And,
According to described selection signal to control described multiplexer and receive and the display data of sequentially output pixel unit.
Based on above-mentioned, the embodiment of the present invention, when designing display drive apparatus, will judge display surface
In plate multiplexer species and display data driving kenel, rearrange the display number giving multiplexer
According to offer order and the unlatching sequential of multiplexer of string, allow display driver energy when driving pixel cell
Reduce the number of change of polarity of display data, save power consumption.
For making the features described above of the present invention and advantage to become apparent, special embodiment below, and combine
Accompanying drawing describes in detail as follows.
Brief description
Fig. 1 shows the hardware structure figure of a kind of liquid crystal display.
Fig. 2 is the schematic diagram that a kind of display floater 120 drives with single-point form.
Fig. 3 is that display drive apparatus described according to a first embodiment of the present invention drives at single-point reversed phase
Dynamic schematic diagram.
Fig. 4 is the schematic diagram that a kind of display floater drives with two-dot inversion form.
Fig. 5 is that display drive apparatus 100 described according to a second embodiment of the present invention is with two-dot inversion form
The schematic diagram driving.
Fig. 6 is the schematic diagram that a kind of display floater drives with row reversal pattern.
Fig. 7 is that display drive apparatus described according to a third embodiment of the present invention drives with row reversed phase
Schematic diagram.
Fig. 8 is the hardware structure figure of the display drive apparatus according to the present invention the four to five embodiment.
Fig. 9 is the schematic diagram that a kind of display floater drives with single-point reversed phase.
Figure 10 is that display drive apparatus described according to a fourth embodiment of the present invention drives with single-point reversed phase
Dynamic schematic diagram.
Figure 11 is the schematic diagram that a kind of display floater drives with two-dot inversion form or row reversal pattern.
Figure 12 be display drive apparatus described according to a fourth embodiment of the present invention with two-dot inversion form or
It is the schematic diagram that row reversal pattern drives.
Figure 13 is the flow chart of the driving method meeting embodiment of the present invention explanation display floater.
Reference numeral explanation
100th, 800: display drive apparatus/liquid crystal display
110: display driver
120: display floater
130: multiplexer
140: source electrode buffering is right
150: polarity controller
LINE [M]～LINE [M+3]: scan line
SOUT [X]～SOUT [X+1]: output line
RSW, GSW, BSW, RSW1～RSW2, GSW1～GSW2, BSW1～BSW2:
Control signal
R+, R1+, R2+: the display data of red positive polarity
R-, R1-, R2-: the display data of red negative polarity
G+, G1+, G2+: the display data of green positive polarity
G-, G1-, G2-: the display data of green negative polarity
B+, B1+, B2+: the display data of blue positive polarity
B-, B1-, B2-: the display data of blue negative polarity
DR [X]～DR [X+1], DG [X]～DG [X+1], DB [X]～DB [X+1]: data wire
S1310～S1330: step
Detailed description of the invention
The signal that Fig. 2 drives with single-point reversion (1-dot inversion) form for a kind of display floater 120
Figure.In the present embodiment, the liquid crystal display 100 described in Fig. 1 may also be referred to as being display drive apparatus
100, it all inverts the citing as its driving kenel using single-point with Fig. 2.Please also refer to Fig. 1 and figure
2, display driver 110 utilizes polarity controller 150 to produce selection signal RSW, GSW shown in Fig. 2
And BSW, and show serial data to multiplexer 130 in the upper transmission of output line SOUT [X] simultaneously.Aobvious
Show shown in serial data e.g. Fig. 2 by red positive polarity display data R+, green negative polarity display data
G-, blue positive polarity display data B+ ... the display serial data being formed).Multiplexer 130 is in scan line
Just sequentially the data of display serial data can be passed through data wire respectively during the enable of LINE [M]
DR [X], DG [X] and DB [X] transmit corresponding red pixel cell R, green pixel cell G
And in the middle of blue pixel cells B.
Thereby, source electrode buffering just once and again exports under high-voltage state to 140 and has dissimilar polarities
Display data, it is, allow display serial data in positive-negative polarity exchange continuously after output,
Make the power consumption that source electrode buffering is unnecessary to the inside generation of 140.On the other hand, source electrode buffers to 140
Output line SOUT [X], SOUT [X+1] itself also have parasitic capacitance, cause display driver 110
The more power consumption when providing display voltage.
In order to avoid display drive apparatus 100 is during transmitting display data string, display driver
110 expend unnecessary electric power owing to processing the positive-negative polarity of display data, the spirit of the embodiment of the present invention
Be, during design display drive apparatus 100 by the species judging multiplexer in display floater 120 and
Display data driving kenel, rearrange give multiplexer 130 display serial data offer order with
And selection signal, the polarity allowing display driver 110 can reduce display data when driving pixel cell turns
Change number of times, save power consumption.Multiple embodiment is set forth below to prove the spirit of the embodiment of the present invention.
First embodiment
The embodiment of the present invention is using the display drive apparatus 100 of Fig. 1 as suitable example.Display drive apparatus 100
Including display floater 120 and display driver 110.Display floater 120 include multiple pixel cell with
And multiple multiplexer 130.These pixel cells arrange with array pattern, every data line (for example, data
Line DR [X], DG [X], DB [X], DR [X+1], DG [X+1], DB [X+1]) and scan line (example
Such as LINE [M], LINE [M+1]) intersection point all there is a pixel cell.These pixel cells are for example
It is red pixel cell R, green pixel cell G and blue pixel cells B.In other words, each
Row pixel cell is controlled by corresponding scan line respectively, and the display data of each row pixel cell are then
There is provided by corresponding data wire respectively.
Multiplexer 130 is configured with N data line, and (each multiplexer 130 of such as Fig. 1 distinctly configures 3
Data wire), N is the positive integer more than or equal to 2, and namely display floater 120 uses the multiplexing of 1:3
Device 130.In other embodiments, multiplexer 130 also can use 1:2,1:6 or other kinds
The multiplexer 130 of class, mainly for 1:3 and 1 in following example；The multiplexer of 6 carries out this
The explanation of the spirit of invention, those skilled in the art should realize this by replaceable different types of multiplexer
The spirit of invention, does not repeats them here.
The control end of multiplexer 130 receives multiple selection signal RSW, GSW and BSW, and many
The input of multiplexer 130 is then coupled to output line (for example, the output line to 140 for the source electrode buffering
SOUT[X]、SOUT[X+1]).Display driver 110 is coupled to described multiplexer 130, and it utilizes source
Pole drives to provide multiple display serial datas and multiple selection signal to respective multiplexer 130, uses
Control multiplexer 130 makes it according to selecting signal to receive and the display data of sequentially output pixel unit.
In the present embodiment, transmission will be carried on output line SOUT [X], SOUT [X+1] at this
The display data of multiple opposed polarities are referred to as showing serial data.Each display serial data is in same scan line
Enable during in then can form two of dissimilar polarities display data groups, these display data groups are then wrapped
Include the display data of at least one pixel cell.Additionally, select signal RSW, GSW and BSW
Then can adjust therewith according to the display data output sequence in display data so that it is display need not changed
Also can realize meeting the embodiment of spirit of the present invention under the hardware structure of panel 120.
Fig. 3 is that display drive apparatus 100 described according to a first embodiment of the present invention is at single-point reversed phase
The schematic diagram driving.Refer to Fig. 3, in order to reduce source electrode buffering to 140 at transmission output line
The positive-negative polarity reversion number of times of the display data on SOUT [X], SOUT [X+1], the present embodiment is by same
Multiple display data (for example, positive polaritys in during the enable of scan line (for example, scan line LINE [M])
Red data R+, negative polarity green data G-and positive polarity blue data B+) divide into phase heteropole
Property positive polarity display data group (for example, the 310 of Fig. 3) and negative polarity display data group (for example, scheme
The 320 of 3), it is, by the display data arrangement of identical polar in adjacent sequential, make these phases
The display data of same polarity can sequentially be transmitted.
Compared with the driving method of display floater in Fig. 2 120, source electrode buffering in fig. 2 must to 140
Must be by the dipole inversion 2 times of display data (it is, the reverse of polarity be G-after transmission R+, then from transmission
After G-, the reverse of polarity is B+), then only need in figure 3 by the dipole inversion 1 time of display data (it is,
Directly transmit B+ after transmission R+, then the reverse of polarity be G-after transmission B+), thereby reduce source drive
Number of times to 140 positive-negative polarities in conversion display data.Additionally, display driver 110 is except adjusting
Beyond display the putting in order of serial data, also can adjust selection signal RSW, GSW, BSW in the lump
Enable waveform, after allowing display floater 120 receive the coherent signal of Fig. 3, still presents and such as figure
2 usually identical pictures.
In addition, the display serial data adjacent sequential in adjacent scanning lines on output line SOUT [X]
Display data group, also has identical polarity, uses more effectively minimizing display data and carries out polarity friendship
The number of times changing.For example, positive pole is equally divided in during the enable of scan line LINE [M+1] of Fig. 3
Property display data group 330 and negative polarity display data group 340, and adjacent scanning lines LINE [M] with
And intersection during the enable of scan line LINE [M+1], display data group 320 and 330 comes under negative
Polarity.Thereby, comparing with the driving method of Fig. 2, the source electrode buffering of the embodiment of the present invention is being schemed to 140
Need to show data in during adjacent scanning lines LINE [M] of 2 and the enable of scan line LINE [M+1]
Dipole inversion 6 times, but in adjacent scanning lines LINE [M] of Fig. 3 and scan line LINE [M+1]
Enable during in, display data polarity only change 2 to 3 times.
Thereby, when display drive apparatus 100 uses 1:3 (it is, N is equal to 3) multiplexer 130,
And when driving display floater 120 with single-point reversal pattern, the embodiment of the present invention on the output line aobvious
Show that serial data then can be as it is shown on figure 3, each shows serial data positive pole in the first data wire LINE [M]
Property display data group 310 be sequentially red positive polarity (R+) and the display data of blue positive polarity (B+),
Negative polarity display data group 320 is then for the display data of green negative polarity.Corresponding and according to sequentially, the
Negative polarity display data group 330 in two data wire LINE [M+1] be sequentially red negative polarity (R-) and
The display data of blue negative polarity (B-), positive polarity display data group 340 is then for green positive polarity (G+)
Display data.It is to say, the first display serial data on output line SOUT [X] is in the first scanning
Line LINE [M] is all with red positive polarity (R+), blue positive polarity (B+), green negative polarity (G-)；
In the second scan line LINE [M+1] with red negative polarity (R-), blue negative polarity (B-) and green just
The display data sequential of polarity (G+), and the second display data on output line SOUT [X+1]
String is then similar with the first display serial data.
Second embodiment
The signal that Fig. 4 drives with two-dot inversion (2-dot inversion) form for a kind of display floater 120
Figure, and Fig. 5 is that display drive apparatus 100 described according to a second embodiment of the present invention is with two-dot inversion shape
The schematic diagram that state drives.The present embodiment is similar to the aforementioned embodiment, and its difference is, second implements
Example is using two-dot inversion kenel and 1:3 multiplexer as the driving method of Fig. 1 display floater 120.Figure
4 is the display serial data arrangement sequential in the past utilizing two-dot inversion kenel to be arranged, and does not repeats them here.
Refer to Fig. 5, the present embodiment is by the enable phase of same scan line (for example, scan line LINE [M])
Multiple display data (for example, positive polarity red data R+, negative polarity green data G-and just between
Polarity blue data B+) divide into dissimilar polarities positive polarity display data group (for example, the 510 of Fig. 5)
And negative polarity display data group (for example, the 520 of Fig. 5), it is, by the display number of identical polar
According to being arranged in adjacent sequential, the display data of these identical polars are enable sequentially to be transmitted.And
During the enable of scan line LINE [M+1], display data R+, G-, B+ are divided into negative polarity
Display data group (for example, having the 530 of display data G-) and positive polarity display data group (for example, have
Have the 540 of display data B+ and R+).Additionally, in during scan line enable adjacent in sequential
The 520th, display data group 530 has identical negative polarity data.
Thereby, when display drive apparatus 100 uses 1:3 (it is, N is equal to 3), multiplexer 130 is simultaneously
And when driving display floater 120 with two-dot inversion kenel, first on output line SOUT [X] is aobvious
Show that serial data is to utilize following order with its display data of sequential: at the first scan line LINE [M]
In red positive polarity (R+), blue positive polarity (B+), green negative polarity (G-)；In the second scan line
Green negative polarity (G-) in LINE [M+1], blue positive polarity (B+), red positive polarity (R+)；?
Green positive polarity (G+) in three scan line LINE [M+2], blue negative polarity (B-), red negative polarity
(R-)；And, the red negative polarity (R-) in the 4th scan line LINE [M+3], blue negative polarity (B-)
And green positive polarity (G+).Correspondingly, on output line SOUT [X+1] second display serial data with
First display serial data is identical in the arrangement situation of color display data, but both positive-negative polarities are then mutual
For different.
3rd embodiment
The schematic diagram that Fig. 6 drives with row reversion (column inversion) kenel for a kind of display floater 120,
And Fig. 7 is that display drive apparatus 100 described according to a third embodiment of the present invention is with the driving of row reversed phase
Schematic diagram.The present embodiment is similar to the aforementioned embodiment, and its difference is, the 3rd embodiment is with row
Reversal pattern and 1:3 multiplexer are as the driving method of Fig. 1 display floater 120.Fig. 6 be then with
Toward the display serial data arrangement sequential utilizing row reversal pattern to be arranged, do not repeat them here.
Refer to Fig. 7, be similar to above-described embodiment, by same scan line (for example, scan line LINE [M])
Enable during in display data R+, G-and B+, divide into dissimilar polarities positive polarity display number
Show data group (for example, the 720 of Fig. 7) according to group (for example, the 710 of Fig. 7) and negative polarity.And sweeping
In retouching during the enable of line LINE [M+1], display data R+, G-, B+ are divided into negative polarity and show
Data group (for example, have display data G-730) and positive polarity display data group (for example, have aobvious
Registration is according to the 740 of B+ and R+).Scan line LINE [M] adjacent in sequential, LINE [M+1]
Enable during in display data group the 720th, 730 have identical negative polarity data.
In other words, on output line SOUT [X] first display serial data be utilize following order with
Its display data of sequential: in the first scan line LINE [M] with red positive polarity (R+), blueness just
Polarity (B+), green negative polarity (G-)；In the second scan line LINE [M+1] with green negative polarity (G-),
Blue positive polarity (B+) and red positive polarity (R+).Correspondingly, second on output line SOUT [X+1]
Display serial data and the first display serial data are identical in the arrangement situation of color display data, but both
Positive-negative polarity is then different each other.
4th embodiment
Fig. 8 is the hardware structure of the display drive apparatus 800 according to the present invention the four to five embodiment
Figure.Similar to Fig. 1, display drive apparatus 800 includes display floater 820 and display driver 810.
Display driver 810 includes source electrode buffering to 840 and polarity controller 850.Display floater 820 wraps
Include multiple pixel cell and multiplexer 830.Display drive apparatus 800 herein is with low temperature polycrystalline silicon liquid
Crystal display is as citing, but is not restricted to this.It is from the different places of Fig. 1, showing of the present embodiment
Show that panel 820 utilizes 1:6 multiplexer 830 as an example, it is, each multiplexer 830 configures
6 data line and receive multiple control signal (for example, RSW1～RSW2, GSW1～GSW2,
BSW1～BSW2) so that each multiplexer 830 can provide first group of color pixel cells (red picture
Element unit R the 1st, green pixel cell G1, blue pixel cells B1) and second group of color pixel cells (red
Color pixel unit R the 2nd, green pixel cell G2, blue pixel cells B2) display data.Other are said
Bright, refer to above-mentioned many embodiments, do not repeat them here.
Fig. 9 is the schematic diagram that a kind of display floater 820 drives with single-point reversed phase, and Figure 10 is root
The signal driving with single-point reversed phase according to the display drive apparatus 800 described in fourth embodiment of the invention
Figure.It was used in the type of drive of the display floater of 1:6 multiplexer as it is shown in figure 9, it is with picture in the past
Putting in order of element unit is sequentially provided its display data, the display data on output line SOUT [X]
String still interlocks (e.g., showing data R1+, G1-, B1+, R2-, G2+, B2-...) for positive-negative polarity,
Therefore show that the positive-negative polarity conversion times of data still too much causes power consumption.
The present embodiment utilizes the hardware configuration of Fig. 8 to combine the signal waveform of Figure 10 to realize what single-point inverted
Drive display, its multiple aobvious by during the enable of same scan line (for example, scan line LINE [M])
Registration divides into dissimilar polarities according to (for example, showing data R1+, G1-, B1+, R2-, G2+, B2-)
(the display for example, being made up of positive polarity display data R1+, B1+, G2+ of positive polarity display data group
Data group 1010) and negative polarity display data group (for example, by negative polarity display data G1-, R2-,
The display data group 1020 of B2-composition), it is, by the display data arrangement of identical polar adjacent
In sequential, the display data of these identical polars are enable sequentially to be transmitted.
Similarly, the present embodiment is sequentially by the multiple display numbers in during the enable of scan line LINE [M+1]
Divide into negative polarity display number according to (for example, showing data R1-, G1+, B1-, R2+, G2-, B2+)
According to group 1030 (being made up of negative polarity display data R1-, B1-, G2-) and positive polarity display data group
1040 (being made up of positive polarity display data G1+, R2+, B2+).Further, on output line SOUT [X]
Display serial data during the enable of adjacent scanning lines LINE [M] and LINE [M+1] intersection
The 1020th, display data group 1030 also has identical negative polarity.
It is to say, when display floater 820 uses 1:6 multiplexer 830 (namely N is equal to 6), and
When display driver 810 drives display floater 820 with single-point reversal pattern, Figure 10 output line
The upper first display serial data of SOUT [X] in the first scan line LINE [M] with the first red positive polarity
R1+, the first blue positive polarity B1+, the second green positive polarity G2+, the first green negative polarity G1-,
The display data order of the second red negative polarity R2-and the second blue negative polarity B2-is come sequentially and circulates
Arrangement.
5th embodiment
Figure 11 is the schematic diagram that a kind of display floater 820 drives with row reversal pattern, and Figure 12 is basis
The schematic diagram that display drive apparatus 800 described in fourth embodiment of the invention drives with row reversal pattern.This
The technical staff in field understands, uses the driving of the display floater 820 row reversion of 1:6 multiplexer 830
In kenel, the arrangement mode of the display serial data that output line provides should be same or like, at this to scheme
The signal waveform of 11, as the citing of conventional driving method, does not repeats them here.
Referring to Fig. 8 and Figure 12, similar to above-mentioned 4th embodiment, the present embodiment will be with sweeping
Retouch the display data in during the enable of line (for example, scan line LINE [M]) (for example, show data R1+,
G1-, B1+, R2-, G2+, B2-) divide into dissimilar polarities positive polarity display data group (for example, by
Positive polarity display data R1+, the display data group 1210 of B1+, G2+ composition) and negative polarity display number
According to group (the display data group 1220 for example, being made up of negative polarity display data G1-, R2-, B2-), make
The display data of these identical polars can sequentially be transmitted, similarly by scan line LINE [M+1]
Enable during in display data separation be negative polarity display data group 1230 (negative polarity is shown data
G1-, R2-, B2-form) and positive polarity display data group 1040 (by positive polarity display data R1+,
B1+, G2+ form).Display serial data on output line SOUT [X] is at adjacent scanning lines LINE [M]
And during the enable of LINE [M+1] intersection display data group the 1220th, 1230 also have identical
Negative polarity.
In view of this, the embodiment of the present invention can also propose the driving method of a kind of display floater.Figure 13
For meeting the flow chart of the driving method of embodiment of the present invention explanation display floater.As described in Figure 13, this
Driving method provides a display floater in step S1310, this Display Panel include multiple multiplexer and
Multiple pixel cells.The pixel cell of multirow is provided its display data by a plurality of data lines respectively.In addition,
Each multiplexer configures N data line, and N is the positive integer more than or equal to 2.
In step S1320, provide multiple display serial datas and multiple selection signal to described multiplexer, its
In each display serial data in same scan line, forms two of dissimilar polarities display data groups, these are aobvious
Registration includes the display data of at least one pixel cell according to group.And, in step S1330, foundation
Described selection signal, to control described multiplexer, uses the display receiving and sequentially exporting these pixel cells
Data.Each display serial data display data group of adjacent sequential in adjacent scanning lines then can have identical
Polarity.Other announcements then refer to above-described embodiment, do not repeat them here.
In sum, the embodiment of the present invention is when designing display drive apparatus, will judge to show
After showing the species of multiplexer in panel and the driving kenel of display data, rearrange and give multiplexer
The offer order of display serial data and the unlatching sequential of multiplexer.Thereby, display driver just can be allowed
All can there is optimized adjustment when driving which kind of display floater, can reduce when driving pixel cell
The number of change of polarity of display data, saves power consumption.
Although the present invention discloses as above with embodiment, so it is not limited to the present invention, this area
Technical staff, under the premise without departing from the spirit and scope of the present invention, can make some changes and retouching,
Therefore protection scope of the present invention is the claim with the present invention is as the criterion.
Claims (10)
1. a display drive apparatus, comprising:
One display floater, comprising:
A plurality of data lines；
Multi-strip scanning line；
Multiple pixel cells, wherein those pixel cells each are controlled by one of them one of them with those scan lines of those data wires with regard to multicolour, and the display data being used for each pixel cell are positive polarity or negative polarity；And
Multiple multiplexers, each multiplexer configures the N data line of those data wires, and N is the positive integer more than or equal to 2；And
One display driver, it is coupled to those multiplexers, there is provided multiple display serial data to those multiplexers, each display serial data in the plurality of display serial data includes the display data of N data line, and this display driver exports the display data of this display serial data to those multiplexers wherein multiplexer according to a particular order
Wherein this particular order is in order to making the display data at the identical polar of at least two pixel cell of same scan line in this display serial data export continuously in sequential, and makes the display data at the identical polar of at least two pixel cell across two adjacent scanning lines in this display serial data export continuously in sequential.
2. display drive apparatus as claimed in claim 1, wherein those multiplexers are controlled by the multiple selection signals producing according to this particular order, so that exporting this display serial data to this display floater according to this particular order.
3. display drive apparatus as claimed in claim 1, when N is 3 and this display driver drives this display floater with single-point reversion, this particular order is in order to make in one first display serial data, in one first scan line, corresponding the first polarity display data to two pixel cells first sequentially export, and correspondence to the second polarity display data of one other pixel unit in rear output；Then in one second scan line be adjacent to this first scan line, corresponding the second polarity display data to two pixel cells first sequentially export, and correspondence to the first polarity display data of one other pixel unit in rear output, wherein said first polarity is positive polarity or negative polarity and described second polarity is another relative polarity.
4. display drive apparatus as claimed in claim 1, wherein when N is 3 and this display driver drives this display floater with single-point reversion, this particular order is in order to make in one first display serial data, in one first scan line, corresponding the first polarity display data to a pixel cell first export, and correspondence to another two pixel cells the second polarity display data after sequentially export；Then in one second scan line be adjacent to this first scan line, corresponding the second polarity display data to a pixel cell first export, and correspondence to another two pixel cells the first polarity display data after sequentially export, wherein said first polarity is positive polarity or negative polarity and described second polarity is another relative polarity.
5. display drive apparatus as claimed in claim 1, when N is 3 and this display driver drives this display floater with two-dot inversion or row reversion, this particular order is in order to make in one first display serial data, in one first scan line, the display data elder generation of corresponding the first polarity to two pixel cells sequentially exports, and correspondence to the display data of the second polarity of one other pixel unit in rear output；Then in one second scan line be adjacent to this first scan line, the display data of the second polarity of a corresponding pixel cell first export, and the display data of the first polarity that correspondence is to another two pixel cells after sequentially export, wherein said first polarity is positive polarity or negative polarity and described second polarity is another relative polarity.
6. display drive apparatus as claimed in claim 5, when this display driver drives this display floater with two-dot inversion, this particular order is in order to make in this first display serial data, after the display data output of this first scan line and this second scan line, in the three scan line being adjacent to this second scan line, the display data of corresponding the first polarity to a pixel cell first export, and the display data of the second polarity that correspondence is to another two pixel cells after sequentially export；Then in one the 4th scan line be adjacent to this three scan line, the display data elder generation of the second polarity of corresponding two pixel cells sequentially exports, and correspondence to the display data of the first polarity of one other pixel unit in rear output.
7. display drive apparatus as claimed in claim 5, when N be 3 and this display driver with go reversion drive this display floater when, after the display data output of this first scan line and this second scan line, adjacent to the output order of a three scan line of this second scan line and the display data of posterior one the 4th scan line, identical with this particular order that the display data of this first scan line and this second scan line export institute's foundation.
8. display drive apparatus as claimed in claim 1, when N is 6 and this display driver drives this display floater with single-point reversion, two-dot inversion or row reversion, this particular order is in order to make in one first display serial data, in one first scan line, corresponding the first polarity display data to three pixel cells first sequentially export, and correspondence to the other three pixel cell the second polarity display data after sequentially export；Then in one second scan line be adjacent to this first scan line, corresponding the second polarity display data to three pixel cells first sequentially export, and correspondence to the other three pixel cell the first polarity display data after sequentially export, wherein said first polarity is positive polarity or negative polarity and described second polarity is another relative polarity.
9. a driving method for display floater, comprises the following steps:
One display floater is provided, wherein this display floater includes a plurality of data lines, multi-strip scanning line, multiple multiplexer and multiple pixel cell, wherein those pixel cells each are controlled by one of them one of them with those scan lines of those data wires with regard to multicolour, and the display data for each pixel cell are positive polarity or negative polarity, and each multiplexer configures the N data line of those data wires, N is the positive integer more than or equal to 2；
There is provided multiple display serial data to those multiplexers, each display serial data in the plurality of display serial data includes the display data of N data line, and a display driver exports the display data of this display serial data to those multiplexers wherein multiplexer according to a particular order
Wherein this particular order is in order to making the display data at the identical polar of at least two pixel cell of same scan line in this display serial data export continuously in sequential, and makes the display data at the identical polar of at least two pixel cell across two adjacent scanning lines in this display serial data export continuously in sequential.
10. the driving method of display floater as claimed in claim 9, wherein those multiplexers are controlled by the multiple selection signals producing according to this particular order, so that exporting this display serial data to this display floater according to this particular order.
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| KR102578713B1 (en) | 2016-11-29 | 2023-09-18 | 엘지디스플레이 주식회사 | Display Device |
| CN107564453B (en) * | 2017-09-15 | 2020-08-04 | 武汉华星光电技术有限公司 | Display panel driving method |
| US10504398B2 (en) | 2017-09-15 | 2019-12-10 | Wuhan China Star Optoelectronics Technology Co., Ltd | Driving method for display panel |
| CN113496684A (en) * | 2020-04-03 | 2021-10-12 | 咸阳彩虹光电科技有限公司 | Liquid crystal panel driving method and display device |
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| CN101154366A (en) * | 2006-09-29 | 2008-04-02 | 恩益禧电子股份有限公司 | Method of driving the display device and display device |
| TW201040907A (en) * | 2009-05-04 | 2010-11-16 | Himax Tech Ltd | Source driver |
| CN102054419A (en) * | 2009-10-28 | 2011-05-11 | 无锡夏普电子元器件有限公司 | Display panel drive device and method as well as image display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154366A (en) * | 2006-09-29 | 2008-04-02 | 恩益禧电子股份有限公司 | Method of driving the display device and display device |
| TW201040907A (en) * | 2009-05-04 | 2010-11-16 | Himax Tech Ltd | Source driver |
| CN102054419A (en) * | 2009-10-28 | 2011-05-11 | 无锡夏普电子元器件有限公司 | Display panel drive device and method as well as image display device |
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