CN106297644A - The drive circuit of a kind of display floater, its driving method and display device - Google Patents
The drive circuit of a kind of display floater, its driving method and display device Download PDFInfo
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- CN106297644A CN106297644A CN201610974713.7A CN201610974713A CN106297644A CN 106297644 A CN106297644 A CN 106297644A CN 201610974713 A CN201610974713 A CN 201610974713A CN 106297644 A CN106297644 A CN 106297644A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
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Abstract
The invention discloses the drive circuit of a kind of display floater, its driving method and display device, in the driving method of this display floater, first, determine the grey decision-making after the compensation corresponding with each pixel in current line pixel；Then, according to the grey decision-making after the compensation corresponding with each pixel in current line pixel determined, each pixel in current line pixel is loaded the grayscale signal corresponding with the grey decision-making after corresponding compensation；So, by the pixel of diverse location in display floater is carried out gray scale compensation in various degree, it is applied different size of grayscale signal, for there is the display floater of large scale, high-resolution, high refresh rate, can ensure that source electrode drive circuit is consistent to the charge rate of the pixel of diverse location in display floater, such that it is able to improve the homogeneity of the display brightness of display floater, and then the display quality of display floater can be improved.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to the drive circuit of a kind of display floater, its driving method and show
Showing device.
Background technology
Along with the development of Display Technique, there is large scale, high-resolution, the display device of high refresh rate become display
The study hotspot in field.
In existing display device, the distance between pixel and source electrode drive circuit is the biggest, the resistance of data wire and
Electric capacity between data wire and public electrode is the biggest, and source electrode drive circuit is the least to the charging interval of pixel, and charge rate is the lowest, this
Sample, can cause source electrode drive circuit inconsistent to the charge rate of each pixel, thus can cause the equal of the display brightness of display device
One property is poor, and then can affect the display quality of display device.Such as, as it is shown in figure 1, solid line represents source electrode drive circuit loading
To the waveform of the grayscale signal apart from its nearer pixel, dotted line represents source electrode drive circuit and is loaded into apart from its pixel farther out
The waveform of grayscale signal, as shown in Figure 1, distance source electrode drive circuit pixel farther out is nearer with distance source electrode drive circuit
Pixel is compared, and the grayscale signal of reception exists delay, and the charging interval is shorter.
For the problem that source electrode drive circuit in existing display device is inconsistent to the charge rate of each pixel, for having
Small size, low resolution, low refresh rate display device for, often the sweep time of row pixel is the most abundant, can be by prolonging
In the charging interval of long source electrode drive circuit pixel farther out of adjusting the distance, improve source electrode drive circuit to the charge rate of each pixel not
Consistent problem；But, for there is the display device of large scale, high-resolution, high refresh rate, the often scanning of row pixel
Time is the shortest, it is impossible to the charging interval of source electrode drive circuit pixel farther out of being adjusted the distance by prolongation, improves source drive electricity
The problem that road is inconsistent to the charge rate of each pixel.
Therefore, source electrode drive circuit how is effectively improved in the display device of large scale, high-resolution, high refresh rate to respectively
The problem that the charge rate of pixel is inconsistent, is that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
In view of this, the drive circuit of a kind of display floater, its driving method and display dress are embodiments provided
Put, in order to be effectively improved the source electrode drive circuit charging to each pixel in the display device of large scale, high-resolution, high refresh rate
The problem that rate is inconsistent.
Therefore, embodiments provide the driving method of a kind of display floater, including:
Determine the grey decision-making after the compensation corresponding with each pixel in current line pixel；
According to the grey decision-making after the described compensation corresponding with each pixel in described current line pixel determined, work as described
The each pixel in pixel that moves ahead loads the grayscale signal corresponding with the grey decision-making after corresponding described compensation.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned driving method in, described determine with
Grey decision-making after the compensation that each pixel in current line pixel is corresponding, including:
Preserve in described current line pixel the compensation of each pixel in the grey decision-making before the compensation of each pixel and previous row pixel
Front grey decision-making；
Compensation according to two pixels being positioned at same string in the described current line pixel preserved and described previous row pixel
Before grey decision-making, search in the gray scale compensation table corresponding with described current line pixel with the compensation of these two pixels before GTG
Grey decision-making after the compensation that value is corresponding；Wherein, corresponding with described current line pixel gray scale compensation table includes described current line
Grey decision-making before all possible compensation of pixel, the grey decision-making before the described all possible compensation of previous row pixel and with described
Before any value in grey decision-making before all possible compensation of current line pixel and the described all possible compensation of previous row pixel
Grey decision-making in compensation corresponding to any value after grey decision-making.
The embodiment of the present invention additionally provides the drive circuit of a kind of display floater, comprises determining that module and drives module；Its
In,
Described determine module, the grey decision-making after determining the compensation corresponding with each pixel in current line pixel；
Described driving module, after according to the described compensation corresponding with each pixel in described current line pixel determined
Grey decision-making, each pixel in described current line pixel is loaded the GTG corresponding with the grey decision-making after corresponding described compensation and believes
Number.
In a kind of possible implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, described determine mould
Block, including: memory module and processing module；Wherein,
Described memory module, for preserving in described current line pixel the grey decision-making before the compensation of each pixel and previous row picture
Grey decision-making before the compensation of each pixel in element；
Described processing module, for being positioned at same string according in the described current line pixel preserved and described previous row pixel
Two pixels compensation before grey decision-making, in the gray scale compensation table corresponding with described current line pixel search with these two pictures
Grey decision-making after the compensation that the plain grey decision-making before compensation is corresponding；Wherein, corresponding with described current line pixel gray scale compensation table
Before including the grey decision-making before all possible compensation of described current line pixel, the described all possible compensation of previous row pixel
Any value in grey decision-making before grey decision-making and compensation all possible with described current line pixel and described previous row pixel
Grey decision-making after the compensation that any value in grey decision-making before all possible compensation is corresponding.
In a kind of possible implementation, the embodiment of the present invention provide above-mentioned drive circuit in, described currently
In the gray scale compensation table that row pixel is corresponding,
Same more than described previous row pixel is positioned at for the grey decision-making before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of the pixel of row, the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding is more than institute
State the grey decision-making before the compensation of this pixel in current line pixel；
Same equal to described previous row pixel is positioned at for the grey decision-making before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of the pixel of row, the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding is equal to institute
State the grey decision-making before the compensation of this pixel in current line pixel；
Same less than described previous row pixel is positioned at for the grey decision-making before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of the pixel of row, the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding is less than institute
State the grey decision-making before the compensation of this pixel in current line pixel.
In a kind of possible implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, work as described
In the pixel that moves ahead before the compensation of the pixel that grey decision-making before the compensation of pixel is not equal in described previous row pixel to be positioned at same string
Grey decision-making, this picture in the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding and described current line pixel
The absolute value of the difference of the grey decision-making before the compensation of element increases along with this pixel and the increase of the distance of source electrode drive circuit.
In a kind of possible implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, described storage mould
Block is previously stored with gray scale compensation table corresponding to the nearest one-row pixels of distance source electrode drive circuit and drives apart from described source electrode
The gray scale compensation table that the farthest one-row pixels in galvanic electricity road is corresponding；
Described processing module, is additionally operable to the GTG according to the one-row pixels nearest apart from described source electrode drive circuit is corresponding and mends
Repay the table gray scale compensation table corresponding with the one-row pixels farthest apart from described source electrode drive circuit and calculate other each row pixels correspondences
Gray scale compensation table.
In a kind of possible implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, each row pixel pair
The grey decision-making after described compensation in the gray scale compensation table answered is to revise to obtain after the display brightness value detecting this row pixel
's.
The embodiment of the present invention additionally provides a kind of display device, including: the above-mentioned drive circuit that the embodiment of the present invention provides.
The drive circuit of above-mentioned display floater, its driving method and the display device that the embodiment of the present invention provides, this display
In the driving method of panel, first, the grey decision-making after the compensation corresponding with each pixel in current line pixel is determined；Then, root
According to the grey decision-making after the compensation corresponding with each pixel in current line pixel determined, each pixel in current line pixel is loaded
The grayscale signal corresponding with the grey decision-making after corresponding compensation；So, by the pixel of diverse location in display floater is carried out
Gray scale compensation in various degree, applies different size of grayscale signal to it, particularly with having large scale, high-resolution, height
For the display floater of refresh rate, it is ensured that source electrode drive circuit is to the charge rate one of the pixel of diverse location in display floater
Cause, such that it is able to improve the homogeneity of the display brightness of display floater, and then the display quality of display floater can be improved.
Accompanying drawing explanation
Fig. 1 is that in existing display device, source electrode drive circuit is loaded into GTG letter with pixel farther out relatively near apart from it
Number oscillogram；
One of flow chart of driving method of display floater that Fig. 2 provides for the embodiment of the present invention；
The two of the flow chart of the driving method of the display floater that Fig. 3 provides for the embodiment of the present invention；
In the display floater that Fig. 4 provides for the embodiment of the present invention, relatively near and farther out the pixel of distance source electrode drive circuit receives
Compensation before and after grayscale signal and the oscillogram of preferable grayscale signal；
One of structural representation of drive circuit of display floater that Fig. 5 provides for the embodiment of the present invention；
The two of the structural representation of the drive circuit of the display floater that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the drive circuit of display floater, its driving method and the display embodiment of the present invention provided
The detailed description of the invention of device is described in detail.
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on being retouched
The embodiments of the invention stated, it is every other that those of ordinary skill in the art are obtained on the premise of without creative work
Embodiment, broadly falls into the scope of protection of the invention.
The driving method of a kind of display floater that the embodiment of the present invention provides, as in figure 2 it is shown, comprise the steps:
S201, determine the grey decision-making after the compensation corresponding with each pixel in current line pixel；
S202, according to the grey decision-making after the compensation corresponding with each pixel in current line pixel determined, to current line picture
Each pixel in element loads the grayscale signal corresponding with the grey decision-making after corresponding compensation.
The above-mentioned driving method that the embodiment of the present invention provides, by carrying out difference to the pixel of diverse location in display floater
The gray scale compensation of degree, applies different size of grayscale signal to it, particularly with having large scale, high-resolution, high refreshing
For the display floater of rate, it is ensured that source electrode drive circuit is consistent to the charge rate of the pixel of diverse location in display floater,
Such that it is able to improve the homogeneity of the display brightness of display floater, and then the display quality of display floater can be improved.
In the specific implementation, perform the embodiment of the present invention provide above-mentioned driving method in step S201, determine with
During grey decision-making after the compensation that each pixel in current line pixel is corresponding, as it is shown on figure 3, may include steps of:
S301, preserve in current line pixel the compensation of each pixel in the grey decision-making before the compensation of each pixel and previous row pixel
Front grey decision-making；Specifically, the benefit of each pixel in grey decision-making before the compensation of each pixel and previous row pixel in current line pixel
Grey decision-making before repaying all determines according to present frame image to be displayed；
S302, according to the current line pixel preserved and previous row pixel are positioned at the compensation of two pixels of same string before
Grey decision-making, in the gray scale compensation table corresponding with current line pixel search with the compensation of these two pixels before grey decision-making corresponding
Grey decision-making after compensation；Wherein, corresponding with current line pixel gray scale compensation table includes all possible benefit of current line pixel
Grey decision-making before repaying, the grey decision-making before all possible compensation of previous row pixel and compensation all possible with current line pixel
The compensation that the front any value in the grey decision-making before any value compensation all possible with previous row pixel in grey decision-making is corresponding
After grey decision-making.
Such as, table 1 is the gray scale compensation table that in display floater, the second row pixel from top to bottom is corresponding, with pixel is all can
Can grey decision-making be 0～255 as a example by, can include in the gray scale compensation table corresponding with the second row pixel that the second row pixel is all can
Can compensation before grey decision-making (i.e. 0～255), grey decision-making (i.e. 0～255) before all possible compensation of the first row pixel and
With any value (any value in i.e. 0～255) in the grey decision-making before the second all possible compensation of row pixel and previous row picture
Grey decision-making after the compensation of any value (any value in the i.e. 0～255) correspondence in the grey decision-making before all possible compensation of element.
Table 1
In the specific implementation, the grey decision-making after the compensation that often each pixel is corresponding in row pixel is by this row pixel and previous row picture
Grey decision-making before the compensation of two pixels being positioned at same string in element determines, specifically, for the benefit of pixel in current line pixel
Grey decision-making before repaying is more than the grey decision-making before the compensation of the pixel being positioned at same string in previous row pixel, in current line pixel
When this pixel loads grayscale signal, need to increase the grey decision-making of this pixel in current line pixel and it is carried out gray scale compensation, i.e.
Grey decision-making after the compensation that in current line pixel, this pixel is corresponding is more than the grey decision-making before the compensation of this pixel in current line pixel；
Before the compensation equal to the pixel being positioned at same string in previous row pixel of the grey decision-making before the compensation of pixel in current line pixel
Grey decision-making, when in current line pixel, this pixel loads grayscale signal, it is not necessary to change the ash of this pixel in current line pixel
Rank are worth, before the grey decision-making after the compensation that i.e. in current line pixel, this pixel is corresponding is equal to the compensation of this pixel in current line pixel
Grey decision-making；For the grey decision-making before the compensation of pixel in current line pixel less than the pixel being positioned at same string in previous row pixel
Grey decision-making before compensation, when in current line pixel, this pixel loads grayscale signal, needs to reduce this picture in current line pixel
The grey decision-making of element carries out the grey decision-making after the compensation that in gray scale compensation, i.e. current line pixel, this pixel is corresponding less than current to it
Grey decision-making before the compensation of this pixel in row pixel.
Such as, as shown in table 1, if the grey decision-making before the compensation of second pixel in the second row pixel from left to right is
127, more than the grey decision-making 0 before the compensation of second pixel from left to right in the first row pixel, in the second row pixel by
When second pixel of left-to-right loads grayscale signal, need to increase in the second row pixel the ash of second pixel from left to right
Rank value carries out gray scale compensation to it, then the grey decision-making after the compensation that in the second row pixel, second pixel from left to right is corresponding
It is 135, more than the grey decision-making 127 before the compensation of second pixel from left to right in the second row pixel；If in the second row pixel
Grey decision-making before the compensation of second pixel from left to right is 127, equal to second picture from left to right in the first row pixel
Grey decision-making 127 before the compensation of element, when in the second row pixel, second pixel from left to right loads grayscale signal, it is not necessary to
Change in the second row pixel the grey decision-making of second pixel from left to right, then second picture from left to right in the second row pixel
Grey decision-making after the compensation that element is corresponding is 127, equal to the ash before the compensation of second pixel from left to right in the second row pixel
Rank value 127；If the grey decision-making before the compensation of second pixel in the second row pixel from left to right is 127, less than the first row picture
Grey decision-making 255 before the compensation of second pixel from left to right in element, from left to right second in the second row pixel
When pixel loads grayscale signal, it is carried out by the grey decision-making needing to reduce in the second row pixel second pixel from left to right
Gray scale compensation, then the grey decision-making after the compensation that in the second row pixel, second pixel from left to right is corresponding is 119, less than second
Grey decision-making 127 before the compensation of second pixel from left to right in row pixel.
In the specific implementation, in order to ensure that source electrode drive circuit is to the charge rate one of the pixel of diverse location in display floater
Causing, the gray scale compensation of the pixel that source electrode drive circuit of adjusting the distance is nearer needs more than adjusting the distance source electrode drive circuit pixel farther out
Gray scale compensation.Specifically, the grey decision-making before the compensation of pixel in current line pixel is not equal in previous row pixel be positioned at
With the grey decision-making before the compensation of the pixel of string, i.e. for the grey decision-making before the compensation of pixel in current line pixel more than previous row
Before in grey decision-making before the compensation of the pixel being positioned at same string in pixel or current line pixel, grey decision-making before the compensation of pixel is little
Grey decision-making before the compensation of the pixel being positioned at same string in one-row pixels, the ash after the compensation that in current line pixel, this pixel is corresponding
The absolute value of difference of the grey decision-making before rank value and the compensation of this pixel in current line pixel is along with this pixel and source electrode drive circuit
The increase of distance and increase.
Such as, table 2 is the gray scale compensation table that in display floater, the 100th row pixel from top to bottom is corresponding, owns with pixel
Possible grey decision-making is 0～255 and as a example by source electrode drive circuit is positioned at the upper side frame of display floater, the 100th the most from top to bottom
The distance of row pixel and source electrode drive circuit is more than the distance of the second row pixel from top to bottom with source electrode drive circuit.Such as table 1
Shown in, if the grey decision-making before the compensation of second pixel in the second row pixel from left to right is 127, more than in the first row pixel
Grey decision-making 0 before the compensation of second pixel from left to right, then second pixel correspondence from left to right in the second row pixel
Compensation after grey decision-making be 135, as shown in table 2, if before the compensation of second pixel in the 100th row pixel from left to right
Grey decision-making is 127, more than the grey decision-making 0 before the compensation of second pixel from left to right in the 99th row pixel, then the 100th row picture
Grey decision-making after the compensation that in element, second pixel from left to right is corresponding is 145, it follows that by a left side in the 100th row pixel
The difference of the grey decision-making 145 to the compensation that second right pixel is corresponding and the grey decision-making 127 before compensation is 18, more than the second row
Grey decision-making 135 after the compensation that in pixel, second pixel from left to right is corresponding with compensate before the difference 8 of grey decision-making 127；As
Shown in table 1, if the grey decision-making before the compensation of second pixel in the second row pixel from left to right is 127, less than the first row picture
Grey decision-making 255 before the compensation of second pixel from left to right in element, then second picture from left to right in the second row pixel
Grey decision-making after the compensation that element is corresponding is 119, as shown in table 2, if the benefit of second pixel in the 100th row pixel from left to right
Grey decision-making before repaying is 127, less than the grey decision-making 255 before the compensation of second pixel from left to right in the 99th row pixel, then
Grey decision-making after the compensation that in 100th row pixel, second pixel from left to right is corresponding is 109, it follows that the 100th row picture
Grey decision-making 109 after the compensation that in element, second pixel from left to right is corresponding with compensate before difference absolute of grey decision-making 127
Value is 18, the grey decision-making 119 compensation after corresponding more than second pixel from left to right in the second row pixel with compensate before
The absolute value 8 of the difference of grey decision-making 127.
Table 2
The compensation that Fig. 4 is distance source electrode drive circuit pixel farther out and the nearer pixel of distance source electrode drive circuit receives
Grayscale signal front and back and the oscillogram of preferable grayscale signal, abscissa is the time, and vertical coordinate is the voltage of grayscale signal, horizontal
Coordinate represents a horizontal-scanning interval between adjacent two scales.As shown in Figure 4, waveform 1 and waveform 2 are respectively and drive apart from source electrode
The waveform of the grayscale signal before the compensation that galvanic electricity road pixel farther out and the nearer pixel of distance source electrode drive circuit receive, waveform
3 and waveform 4 is respectively distance source electrode drive circuit pixel farther out and the nearer pixel of distance source electrode drive circuit receives benefit
The waveform of the grayscale signal after repaying, waveform 5 and waveform 6 are respectively distance source electrode drive circuit pixel farther out and distance source electrode drives
The waveform of the preferable grayscale signal of the pixel that galvanic electricity road is nearer.Waveform 1 in Fig. 4, waveform 3 and waveform 5 are contrasted and understands, right
After distance source electrode drive circuit pixel farther out carries out gray scale compensation, adjust the distance what source electrode drive circuit pixel farther out loaded
The voltage of grayscale signal can reach the voltage of preferable grayscale signal within the sweep time of a line；By the waveform 2 in Fig. 4,
Waveform 4 and waveform 6 contrast understand, after the nearer pixel of source electrode drive circuit of adjusting the distance carries out gray scale compensation, and source electrode of adjusting the distance
The voltage of the grayscale signal of the pixel loading that drive circuit is nearer can reach preferable GTG letter within the sweep time of a line
Number voltage；Waveform 1 in Fig. 4, waveform 2, waveform 3 and waveform 4 are contrasted and understands, source electrode drive circuit picture farther out of adjusting the distance
The gray scale compensation of the pixel that the gray scale compensation of element is nearer more than source electrode drive circuit of adjusting the distance.
In the specific implementation, the gray scale compensation portion corresponding with often row pixel can be prestored.It is preferred that in order to reduce ash
Rank compensate the space shared by table, and the GTG that can only prestore the nearest one-row pixels of distance source electrode drive circuit corresponding is mended
Repay the gray scale compensation table that the table one-row pixels farthest with distance source electrode drive circuit is corresponding, the GTG benefit that other each row pixels are corresponding
Repaying table can be according to gray scale compensation table corresponding to the distance nearest one-row pixels of source electrode drive circuit and distance source electrode drive circuit
Gray scale compensation table corresponding to farthest one-row pixels is obtained by mathematic interpolation.
It is preferred that can be by detecting the display brightness value of each row pixel, in the gray scale compensation table corresponding to each row pixel
Compensation after grey decision-making be modified, repeatedly after, when the display brightness value detecting each row pixel is basically identical,
Gray scale compensation table corresponding to each row pixel of obtaining is optimal gray scale compensation table.
Based on same inventive concept, the embodiment of the present invention additionally provides the drive circuit of a kind of display floater, such as Fig. 5 institute
Show, comprise determining that module 501 and drive module 502；Wherein,
Determine module 501, the grey decision-making after determining the compensation corresponding with each pixel in current line pixel；
Drive module 502, be used for according to the grey decision-making after the compensation corresponding with each pixel in current line pixel determined,
Each pixel in current line pixel is loaded the grayscale signal corresponding with the grey decision-making after corresponding compensation.
The above-mentioned drive circuit that the embodiment of the present invention provides, by carrying out difference to the pixel of diverse location in display floater
The gray scale compensation of degree, applies different size of grayscale signal to it, particularly with having large scale, high-resolution, high refreshing
For the display floater of rate, it is ensured that source electrode drive circuit is consistent to the charge rate of the pixel of diverse location in display floater,
Such that it is able to improve the homogeneity of the display brightness of display floater, and then the display quality of display floater can be improved.
In the specific implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, as shown in Figure 6, module is determined
501, may include that memory module 601 and processing module 602；Wherein,
Memory module 601, for preserving in current line pixel in the grey decision-making before the compensation of each pixel and previous row pixel
Grey decision-making before the compensation of each pixel；Specifically, grey decision-making before the compensation of each pixel and previous row pixel in current line pixel
In each pixel compensation before grey decision-making all determine according to present frame image to be displayed, memory module 601 can be caching
Device；
Processing module 602, for according to two pictures being positioned at same string in the current line pixel preserved and previous row pixel
Grey decision-making before the compensation of element, before searching the compensation with these two pixels in the gray scale compensation table corresponding with current line pixel
Grey decision-making after the compensation that grey decision-making is corresponding；Wherein, corresponding with current line pixel gray scale compensation table includes current line pixel
Grey decision-making before all possible compensation, the grey decision-making before all possible compensation of previous row pixel and with current line pixel institute
Arbitrary in any value in grey decision-making before possible compensation and the grey decision-making before all possible compensation of previous row pixel
Grey decision-making after the compensation that value is corresponding.
Such as, as shown in table 1, can include in corresponding with the second row pixel gray scale compensation table that the second row pixel is all can
Can compensation before grey decision-making (i.e. 0～255), grey decision-making (i.e. 0～255) before all possible compensation of the first row pixel and
With any value (any value in i.e. 0～255) in the grey decision-making before the second all possible compensation of row pixel and previous row picture
Grey decision-making after the compensation of any value (any value in the i.e. 0～255) correspondence in the grey decision-making before all possible compensation of element.
In the specific implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, often in row pixel, each pixel is corresponding
Compensation after grey decision-making by the grey decision-making before the compensation of two pixels being positioned at same string in this row pixel and previous row pixel
Determine, specifically, in the gray scale compensation table that current line pixel is corresponding, for the GTG before the compensation of pixel in current line pixel
Value is more than the grey decision-making before the compensation of the pixel being positioned at same string in previous row pixel, and in current line pixel, this pixel loads
During grayscale signal, need to increase the grey decision-making of this pixel in current line pixel and it is carried out gray scale compensation, i.e. current line pixel
In grey decision-making after compensation corresponding to this pixel more than the grey decision-making before the compensation of this pixel in current line pixel；For current line
In pixel, grey decision-making before the compensation of pixel is equal to the grey decision-making before the compensation of the pixel being positioned at same string in previous row pixel,
When this pixel in current line pixel is loaded grayscale signal, it is not necessary to change the grey decision-making of this pixel in current line pixel, the most currently
Grey decision-making after the compensation that in row pixel, this pixel is corresponding is equal to the grey decision-making before the compensation of this pixel in current line pixel；For
In current line pixel, the grey decision-making before the compensation of pixel is less than the ash before the compensation of the pixel being positioned at same string in previous row pixel
Rank are worth, and when this pixel loads grayscale signal in current line pixel, need to reduce the grey decision-making of this pixel in current line pixel
It is carried out the grey decision-making after the compensation that in gray scale compensation, i.e. current line pixel, this pixel is corresponding should less than in current line pixel
Grey decision-making before the compensation of pixel.
Such as, as shown in table 1, if the grey decision-making before the compensation of second pixel in the second row pixel from left to right is
127, more than the grey decision-making 0 before the compensation of second pixel from left to right in the first row pixel, in the second row pixel by
When second pixel of left-to-right loads grayscale signal, need to increase in the second row pixel the ash of second pixel from left to right
Rank value carries out gray scale compensation to it, then the grey decision-making after the compensation that in the second row pixel, second pixel from left to right is corresponding
It is 135, more than the grey decision-making 127 before the compensation of second pixel from left to right in the second row pixel；If in the second row pixel
Grey decision-making before the compensation of second pixel from left to right is 127, equal to second picture from left to right in the first row pixel
Grey decision-making 127 before the compensation of element, when in the second row pixel, second pixel from left to right loads grayscale signal, it is not necessary to
Change in the second row pixel the grey decision-making of second pixel from left to right, then second picture from left to right in the second row pixel
Grey decision-making after the compensation that element is corresponding is 127, equal to the ash before the compensation of second pixel from left to right in the second row pixel
Rank value 127；If the grey decision-making before the compensation of second pixel in the second row pixel from left to right is 127, less than the first row picture
Grey decision-making 255 before the compensation of second pixel from left to right in element, from left to right second in the second row pixel
When pixel loads grayscale signal, it is carried out by the grey decision-making needing to reduce in the second row pixel second pixel from left to right
Gray scale compensation, then the grey decision-making after the compensation that in the second row pixel, second pixel from left to right is corresponding is 119, less than second
Grey decision-making 127 before the compensation of second pixel from left to right in row pixel.
In the specific implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, in order to ensure source electrode drive circuit
Consistent to the charge rate of the pixel of diverse location in display floater, the gray scale compensation of the pixel that source electrode drive circuit of adjusting the distance is nearer
Need the gray scale compensation more than source electrode drive circuit pixel farther out of adjusting the distance.Specifically, for pixel in current line pixel
Grey decision-making before compensation is not equal to the grey decision-making being positioned in previous row pixel before the compensation of the pixel of same string, i.e. for current line
In pixel grey decision-making before the compensation of pixel more than the grey decision-making before the compensation of the pixel being positioned at same string in previous row pixel or
GTG before the compensation of the pixel being positioned at same string in grey decision-making little previous row pixel before the compensation of pixel in current line pixel
Value, grey decision-making before the compensation of this pixel in the grey decision-making after the compensation that in current line pixel, this pixel is corresponding and current line pixel
The absolute value of difference increase with the increase of the distance of source electrode drive circuit along with this pixel.
Such as, as shown in table 1, if the grey decision-making before the compensation of second pixel in the second row pixel from left to right is
127, more than the grey decision-making 0 before the compensation of second pixel from left to right in the first row pixel, then by a left side in the second row pixel
Grey decision-making to the compensation that second right pixel is corresponding is 135, as shown in table 2, if in the 100th row pixel from left to right
Grey decision-making before the compensation of second pixel is 127, before the compensation of second pixel from left to right in the 99th row pixel
Grey decision-making 0, then the grey decision-making after the compensation that in the 100th row pixel, second pixel from left to right is corresponding is 145, thus may be used
Know, the grey decision-making 145 after the compensation that in the 100th row pixel, second pixel from left to right is corresponding with compensate before grey decision-making
The difference of 127 is 18, the grey decision-making 135 compensation after corresponding more than second pixel from left to right in the second row pixel with compensate
The difference 8 of front grey decision-making 127；As shown in table 1, if the GTG before the compensation of second pixel in the second row pixel from left to right
Value is 127, less than the grey decision-making 255 before the compensation of second pixel from left to right in the first row pixel, then the second row pixel
In grey decision-making after compensation corresponding to second pixel from left to right be 119, as shown in table 2, if by a left side in the 100th row pixel
Grey decision-making to the compensation of second right pixel is 127, less than second pixel from left to right in the 99th row pixel
Grey decision-making 255 before compensation, then the grey decision-making after the compensation that in the 100th row pixel, second pixel from left to right is corresponding is
109, it follows that the grey decision-making 109 after the compensation that in the 100th row pixel, second pixel from left to right is corresponding with compensate before
The absolute value of difference of grey decision-making 127 be 18, after the compensation corresponding more than second pixel from left to right in the second row pixel
Grey decision-making 119 with compensate before the absolute value 8 of difference of grey decision-making 127.
In the specific implementation, in the above-mentioned drive circuit that the embodiment of the present invention provides, can deposit the most in advance
Store up the gray scale compensation portion corresponding with often row pixel.It is preferred that in order to reduce the space shared by gray scale compensation table, can be in storage
Module is previously stored with gray scale compensation table corresponding to the nearest one-row pixels of distance source electrode drive circuit and distance source drive
The gray scale compensation table that the farthest one-row pixels of circuit is corresponding；Processing module, is additionally operable to according to distance source electrode drive circuit nearest
Gray scale compensation table corresponding to gray scale compensation table corresponding to the one-row pixels one-row pixels farthest with distance source electrode drive circuit calculates
The gray scale compensation table that other each row pixels are corresponding, specifically can be obtained by mathematic interpolation.
It is preferred that in the above-mentioned drive circuit that the embodiment of the present invention provides, in the gray scale compensation table that each row pixel is corresponding
Compensation after grey decision-making can be to revise to obtain after the display brightness value detecting this row pixel, specifically, Ke Yitong
Crossing the display brightness value detecting each row pixel, grey decision-making compensation in gray scale compensation table after corresponding to each row pixel is repaiied
Just, repeatedly after, when the display brightness value detecting each row pixel is basically identical, the ash that each row pixel of obtaining is corresponding
Compensation table in rank is optimal gray scale compensation table.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, carries including the embodiment of the present invention
The above-mentioned drive circuit of confession, this display device can be: mobile phone, panel computer, television set, display, notebook computer, number
Any product with display function such as photo frame, navigator or parts.The enforcement of this display device may refer to above-mentioned driving electricity
The embodiment on road, repeats no more in place of repetition.
The drive circuit of a kind of display floater, its driving method and the display device that the embodiment of the present invention provides, this display
In the driving method of panel, first, the grey decision-making after the compensation corresponding with each pixel in current line pixel is determined；Then, root
According to the grey decision-making after the compensation corresponding with each pixel in current line pixel determined, each pixel in current line pixel is loaded
The grayscale signal corresponding with the grey decision-making after corresponding compensation；So, by the pixel of diverse location in display floater is carried out
Gray scale compensation in various degree, applies different size of grayscale signal to it, particularly with having large scale, high-resolution, height
For the display floater of refresh rate, it is ensured that source electrode drive circuit is to the charge rate one of the pixel of diverse location in display floater
Cause, such that it is able to improve the homogeneity of the display brightness of display floater, and then the display quality of display floater can be improved.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. the driving method of a display floater, it is characterised in that including:
Determine the grey decision-making after the compensation corresponding with each pixel in current line pixel；
According to the grey decision-making after the described compensation corresponding with each pixel in described current line pixel determined, to described current line
Each pixel in pixel loads the grayscale signal corresponding with the grey decision-making after corresponding described compensation.
2. driving method as claimed in claim 1, it is characterised in that described determine corresponding with each pixel in current line pixel
Compensation after grey decision-making, including:
Preserve in described current line pixel in the grey decision-making before the compensation of each pixel and previous row pixel before the compensation of each pixel
Grey decision-making；
Before the described current line pixel preserved and described previous row pixel are positioned at the compensation of two pixels of same string
Grey decision-making, search in the gray scale compensation table corresponding with described current line pixel with the compensation of these two pixels before grey decision-making pair
Grey decision-making after the compensation answered；Wherein, corresponding with described current line pixel gray scale compensation table includes described current line pixel
Grey decision-making before all possible compensation, the grey decision-making before the described all possible compensation of previous row pixel and with described currently
Any value in grey decision-making before all possible compensation of row pixel and the ash before the described all possible compensation of previous row pixel
The grey decision-making after compensation corresponding to any value in the value of rank.
3. the drive circuit of a display floater, it is characterised in that comprise determining that module and drive module；Wherein,
Described determine module, the grey decision-making after determining the compensation corresponding with each pixel in current line pixel；
Described driving module, for according to the ash after the described compensation corresponding with each pixel in described current line pixel determined
Rank are worth, and each pixel in described current line pixel is loaded the grayscale signal corresponding with the grey decision-making after corresponding described compensation.
4. drive circuit as claimed in claim 3, it is characterised in that described determine module, including: memory module with process mould
Block；Wherein,
Described memory module, for preserving in described current line pixel in the grey decision-making before the compensation of each pixel and previous row pixel
Grey decision-making before the compensation of each pixel；
Described processing module, for being positioned at the two of same string according in the described current line pixel preserved and described previous row pixel
Grey decision-making before the compensation of individual pixel, searches and these two pixels in the gray scale compensation table corresponding with described current line pixel
Grey decision-making after the compensation that grey decision-making before compensation is corresponding；Wherein, corresponding with described current line pixel gray scale compensation table wraps
Include the GTG before the grey decision-making before all possible compensation of described current line pixel, the described all possible compensation of previous row pixel
Any value in grey decision-making and described previous row pixel before value and compensation all possible with described current line pixel own
Grey decision-making after the compensation that the possible any value in the grey decision-making before compensation is corresponding.
5. drive circuit as claimed in claim 4, it is characterised in that at the gray scale compensation table that described current line pixel is corresponding
In,
More than in described previous row pixel, same string is positioned at for the grey decision-making before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of pixel, the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding is worked as more than described
Grey decision-making before the compensation of this pixel in the pixel that moves ahead；
Equal in described previous row pixel, same string is positioned at for the grey decision-making before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of pixel, the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding is worked as equal to described
Grey decision-making before the compensation of this pixel in the pixel that moves ahead；
Less than in described previous row pixel, same string is positioned at for the grey decision-making before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of pixel, the grey decision-making after the described compensation that in described current line pixel, this pixel is corresponding is worked as less than described
Grey decision-making before the compensation of this pixel in the pixel that moves ahead.
6. drive circuit as claimed in claim 5, it is characterised in that before the compensation of pixel in described current line pixel
Grey decision-making before the compensation of the pixel that grey decision-making is not equal in described previous row pixel to be positioned at same string, in described current line pixel
The difference of grey decision-making before the compensation of this pixel in grey decision-making after the described compensation that this pixel is corresponding and described current line pixel
Absolute value increases with the increase of the distance of source electrode drive circuit along with this pixel.
7. the drive circuit as described in any one of claim 4-6, it is characterised in that described memory module is previously stored with away from
The gray scale compensation table corresponding from the one-row pixels that source electrode drive circuit is nearest and apart from the farthest a line of described source electrode drive circuit
The gray scale compensation table that pixel is corresponding；
Described processing module, is additionally operable to the gray scale compensation table corresponding according to the one-row pixels nearest apart from described source electrode drive circuit
The gray scale compensation table corresponding with the one-row pixels farthest apart from described source electrode drive circuit calculates the ash that other each row pixels are corresponding
Rank compensate table.
8. the drive circuit as described in any one of claim 4-6, it is characterised in that in the gray scale compensation table that each row pixel is corresponding
Described compensation after grey decision-making be to revise to obtain after the display brightness value detecting this row pixel.
9. a display device, it is characterised in that including: the drive circuit as described in any one of claim 3-8.
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