CN107221296A - Over-driving method, time schedule controller and display - Google Patents
Over-driving method, time schedule controller and display Download PDFInfo
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- CN107221296A CN107221296A CN201710550509.7A CN201710550509A CN107221296A CN 107221296 A CN107221296 A CN 107221296A CN 201710550509 A CN201710550509 A CN 201710550509A CN 107221296 A CN107221296 A CN 107221296A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000007306 turnover Effects 0.000 claims description 40
- 238000004364 calculation method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 46
- 230000035484 reaction time Effects 0.000 description 9
- 239000002956 ash Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
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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
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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Abstract
An overdrive method, a time schedule controller and a display are provided. The overdrive method comprises the following steps: comparing the content of the current frame and the content of the next frame of the image to obtain the gray scale change of one pixel of the image; finding out a first overdrive gray scale corresponding to the gray scale change from a first overdrive gray scale comparison table, and finding out a second overdrive gray scale corresponding to the gray scale change from a second overdrive gray scale comparison table; and calculating a third overdrive gray scale corresponding to the current update rate by an interpolation method according to the first overdrive gray scale and the second overdrive gray scale to serve as a target overdrive gray scale of the pixel in the next picture. The invention also discloses a time schedule controller and a display.
Description
Technical field
The present invention relates to the correlation technique of field of display, in particular to a kind of over-driving method, time schedule controller
And display.
Background technology
Because liquid crystal has reaction time more slow characteristic so that can occur ghost under dynamic image and cause visual impression
The upper image of official more fuzzy result, therefore (Over Drive, OD) technology of overdriving just is applied to the driving of liquid crystal, this skill
Art accelerates its reaction time to increase liquid crystal cross-pressure, and then mitigates dynamic ghost.Overdrive technique traditionally is
According to the GTG table of comparisons of overdriving (OD the Look-Up Table, OD for corresponding to single picture update rate (Frame rate)
LUT) appropriate GTG intensity of overdriving is selected.And because the size of grey decision-making is the size positive correlation with liquid crystal cross-pressure,
Therefore it is to represent to improve liquid crystal cross-pressure to improve grey decision-making, and then can accelerate the reaction time of liquid crystal.
However, be limited to the storage area of hardware, traditional way can only be overdrived the GTG table of comparisons using a few,
Display is caused easily to have the phenomenon excessively overdrived in the case where picture update rate continuously changes.On the other hand, if
Using the substantial amounts of GTG table of comparisons of overdriving come the different picture update rate of correspondence, then it is substantial amounts of overdrive the GTG table of comparisons except
Outside the storage area that hardware can be expended, can also increase time schedule controller (Timing controller) logic gate quantity and
So that its cost increase.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of over-driving method, and it does not need substantial amounts of GTG of overdriving
The table of comparisons just can select appropriate GTG intensity of overdriving in the case where picture update rate continuously changes.
Another object of the present invention is to provide a kind of time schedule controller using above-mentioned over-driving method.
A further object of the present invention is to provide a kind of display corresponding to above-mentioned over-driving method.
To achieve these goals, the invention provides a kind of over-driving method, it is adaptable to display.This over-driving method
Comprise the following steps:Receive image;Obtain the current turnover rate of image;Compare the interior of the current picture of image and next picture
Hold, with the gray scale variation for the wherein pixel for obtaining image;Above-mentioned gray scale variation is found out from the first GTG table of comparisons of overdriving
Corresponding first is overdrived GTG, and from second overdrive the GTG table of comparisons find out corresponding to above-mentioned gray scale variation second
Overdrive GTG, wherein first overdrives GTG table of comparisons record under the first picture update rate, corresponding to a variety of gray scale variations
Multiple GTGs of overdriving, and second overdrive the GTG table of comparisons record under the second picture update rate, a variety of gray scale variation institutes
Corresponding multiple GTGs of overdriving, and the first picture update rate and the second picture update rate are all different from current turnover rate;And
Overdrive GTG according to the first GTG of overdriving with second and gone out with interpolation calculation and the 3rd cross drive corresponding to current turnover rate
Dynamic GTG, to be overdrived GTG in the target of next picture as above-mentioned pixel.
Present invention also offers a kind of time schedule controller, it is adaptable to display.Now sequence controller includes data and compared
Unit and GTG computing unit of overdriving.Data comparing unit to compare the current picture of image and the content of next picture,
With the gray scale variation for the wherein pixel for obtaining image.GTG computing unit of overdriving is used to overdrive the GTG table of comparisons from first
Find out first corresponding to above-mentioned gray scale variation to overdrive GTG, and above-mentioned ash is found out from the second GTG table of comparisons of overdriving
Rank change is corresponding second to overdrive GTG, so according to first overdrive GTG and second overdrive GTG and with interpolation method
The corresponding to the current turnover rate of image the 3rd is calculated to overdrive GTG, using as above-mentioned pixel in the target mistake of next picture
Drive GTG.Wherein first overdrives GTG table of comparisons record under the first picture update rate, corresponding to a variety of gray scale variations
Multiple GTGs of overdriving, and second overdrives GTG table of comparisons record under the second picture update rate, a variety of gray scale variation institutes are right
The multiple GTGs of overdriving answered, and the first picture update rate and the second picture update rate are all different from current turnover rate.
Present invention also offers a kind of display, it includes display panel, data drive unit and time schedule controller.It is aobvious
Show that panel has a pixel.The above-mentioned pixel of data drive unit electric property coupling.As for time schedule controller, it is used in different pictures
There is provided above-mentioned pixel different overdrive voltages by data drive unit under the turnover rate of face, the overdrive voltage provided in it
It is linear with picture update rate.
The technical effects of the invention are that:
Because the present invention is to overdrive GTG with being drawn corresponding to second according to correspond to the first picture update rate first
The second of face turnover rate overdrives GTG and goes out GTG of overdriving corresponding to current turnover rate, therefore this using interpolation calculation
Invention only needs to correspond under the best circumstances two GTG tables of comparisons of overdriving of two different pictures turnover rates, so
Appropriate GTG intensity of overdriving can be selected in the case where picture update rate continuously changes, the work(for saving hardware cost can be reached again
Effect.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the relation curve of liquid crystal cross-pressure variable quantity and liquid crystal rotation rate;
Fig. 2 is liquid crystal cross-pressure and the relation curve in liquid crystal reaction time;
Fig. 3 is the one of which linear interpolation arithmetic to the GTG that illustrates to overdrive;
Fig. 4 is another linear interpolation arithmetic to the GTG that illustrates to overdrive;
Fig. 5 is liquid crystal cross-pressure and another relation curve in liquid crystal reaction time;
Fig. 6 is the flow chart of the over-driving method according to one embodiment of the invention;
Fig. 7 is the internal circuit block diagram of the time schedule controller according to one embodiment of the invention.
Wherein, reference
S61~S65:Step
10:Time schedule controller
11:Data input processing unit
12:Frame buffer
13:Data comparing unit
14:Turnover rate detection unit
15:Overdrive GTG computing unit
16:Overdrive processing unit
17:Export processing unit
In:Image
Out:Output
Embodiment
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings:
Fig. 1 is the relation curve of liquid crystal cross-pressure variable quantity and liquid crystal rotation rate.As shown in figure 1, Fig. 1 transverse axis refer to liquid crystal across
Variable quantity is pressed, its unit is percentage, and the longitudinal axis refers to liquid crystal rotation rate (Slew Rate).So-called liquid crystal rotation rate is pixel
Brightness change/liquid crystal reaction time, the wherein unit in liquid crystal reaction time are millisecond (ms).In addition, the P1 points shown in Fig. 1 are represented
Gray scale variation, which is promoted to grey decision-making L96, P2 point from grey decision-making L64 and represents gray scale variation from grey decision-making L64, is promoted to grey decision-making
L128, P3 point, which represent gray scale variation and is promoted to grey decision-making L160, P4 point from grey decision-making L64, represents gray scale variation from grey decision-making L64
It is promoted to grey decision-making L192, P5 point and represents gray scale variation and is promoted to grey decision-making L224 from grey decision-making L64, and P6 points represent GTG change
Change is promoted to grey decision-making L255 from grey decision-making L64.Understand as shown in Figure 1, because liquid crystal has the slower characteristic of reaction speed, because
With the presence of the relation of moderate change between this liquid crystal cross-pressure variable quantity and liquid crystal rotation rate.And as shown in Figure 1 also understand, P1 points with
P2 points can be considered a straight line between the two, also may be used between P2 points and P3 points, P3 points and P4 points, P4 points and P5 points, P5 points and P6 points
It is considered as a straight line.That is, above-mentioned wantonly between 2 points, the change of liquid crystal cross-pressure variable quantity and liquid crystal rotation rate is linearly closed
System.The liquid crystal cross-pressure variable quantity of P1, P2, P3, P4, P5 and P6 point and the value of liquid crystal rotation rate in Fig. 1 can all be obtained by measurement.
Fig. 2 is liquid crystal cross-pressure and the relation curve in liquid crystal reaction time, referring to Fig. 1 and Fig. 2.Due to by Fig. 1
If understanding liquid crystal cross-pressure variable quantity within the specific limits, then line will be presented between liquid crystal cross-pressure variable quantity and liquid crystal rotation rate
Sexual intercourse.This represents that in linear scope liquid crystal rotation rate can be incremented by with being incremented by for liquid crystal cross-pressure.Can according to above-mentioned conclusion
Know that in fig. 2, when liquid crystal cross-pressure variable quantity is incremented to A by D, liquid crystal rotation rate also can be incremented to A ' by D '.Thus, it is supposed that
In the case that picture update rate is 120Hz, if liquid crystal cross-pressure variable quantity is A, liquid crystal can be within the time of (t2-t1), by
Beginning grey decision-making LS is promoted to target gray scale value LT, and liquid crystal rotation rate now is A '.And assume that in picture update rate be 60Hz
In the case of, if liquid crystal cross-pressure variable quantity is D, liquid crystal can be promoted to mesh within the time of (t3-t1) by starting grey decision-making LS
Grey decision-making LT is marked, and liquid crystal rotation rate now is D '.If foregoing 120Hz and 60Hz is respectively display can support it is upper
Limit picture update rate and lower limit picture update rate, then just can be from two GTGs of overdriving corresponding to this two picture update rates
Found out respectively in the table of comparisons from the GTG of overdriving that grey decision-making LS is promoted to needed for target gray scale value LT is originated, then again according to institute
The GTG of overdriving that two found out are overdrived GTG and gone out with interpolation calculation needed for current turnover rate, to be used as respective pixel
Overdrived GTG in the target of next picture.Further illustrated with Fig. 3.
Linear interpolation arithmetics of the Fig. 3 to the GTG that illustrates to overdrive, refer to Fig. 3.For example, to by a pixel from
Grey decision-making L64 is promoted to grey decision-making L160, through looking into the GTG table of comparisons of overdriving corresponding to lower limit picture update rate 60Hz, it is known that
GTG size of overdriving needed for this pixel is driven for grey decision-making L164 through looking into crossing corresponding to upper limit picture update rate 120Hz
The dynamic GTG table of comparisons, it is known that the GTG size of overdriving needed for this pixel is grey decision-making L183, then when picture update rate changes
During for current turnover rate 100Hz, then it can adopt interpolation method and try to achieve in current turnover rate 100Hz, the ash of overdriving needed for this pixel
The size of rank.Above-mentioned interpolation method has two kinds of calculating formulas and is available for calculating, and user can select one and use, this two kinds of calculating formula difference
It is as follows:
Wherein, Y is the size of the GTG of overdriving needed under current turnover rate, ODFR1For in the first picture update rate
The size of GTG of overdriving needed under (in this example for lower limit picture update rate), X is current turnover rate, and FR1 is the first picture
Turnover rate (this example be lower limit picture update rate 60Hz), Δ OD be under the first picture update rate with the second picture update rate
The difference of two required GTGs of overdriving, Δ FR is the difference of the first picture update rate and the second picture update rate, ODFR2For
The size of GTG of overdriving needed under the second picture update rate (in this example for upper limit picture update rate), be then as FR2
Second picture update rate (being upper limit picture update rate 120Hz in this example).
Although in the above description, be exemplified by the grey decision-making of pixel to be increased, so this and be not used to limitation the present invention,
When the grey decision-making of pixel is downgraded, also applicable above-mentioned interpolation method, one as shown in figure 4, Fig. 4 i.e. to illustrate this in the case of
Overdrive the linear interpolation arithmetic of GTG.Because Fig. 4 linear interpolation arithmetic is similar to the linear interpolation arithmetic shown in Fig. 3,
This is just repeated no more.Certainly, in addition to using interpolation method, required GTG of overdriving can be also calculated using extrapolation.
Again by taking Fig. 3 as an example, display, which can first table look-up, obtains required two GTGs of overdriving under picture update rate 60Hz and 80Hz, so
GTG of overdriving needed for being calculated again using extrapolation afterwards under current turnover rate 100Hz.In this case, first draw
One of lower limit picture update rate and upper limit picture update rate that face turnover rate be able to can support for aforementioned display device, and the
Two picture update rates are then between lower limit picture update rate and upper limit picture update rate.
If in addition, image is in the case of high-res (Pixel Per Inch, PPI) and Gao Gengxin rate, because it is fuzzy
Border width is smaller and causes human eye when being difficult to discover the phenomenon excessively overdrived, can moderately allow the phenomenon excessively overdrived,
The elimination of dynamic ghost is enabled to obtain preferable effect.In the case, the relation curve shown in Fig. 5 is referred to come in carrying out
The method of inserting or extrapolation are to obtain required GTG of overdriving, and Fig. 5 is liquid crystal cross-pressure and another relation curve in liquid crystal reaction time.
According to above-mentioned teaching, those skilled in the art walk when some basic operations that can summarize above-mentioned over-driving method
Suddenly, one is as shown in Figure 6.Fig. 6 is the flow chart of the over-driving method according to one embodiment of the invention.Fig. 6 is refer to, this crosses drive
Dynamic method includes the following steps:Receive an image (as shown in step S61);Obtain current turnover rate (such as step of this image
Shown in S62), and the current turnover rate of this image can be provided related parameter by system, or by between picture before and after calculating
Obtained every the time;Compare the current picture of above-mentioned image and the content of next picture, with the ash for the wherein pixel for obtaining image
Rank changes (as shown in step s 63);The first mistake corresponding to above-mentioned gray scale variation is found out from the first GTG table of comparisons of overdriving
Drive GTG, and from second overdrive that the GTG table of comparisons found out corresponding to above-mentioned gray scale variation second overdrive GTG (such as
Shown in step S64), wherein first overdrives GTG table of comparisons record under the first picture update rate, a variety of gray scale variation institutes are right
The multiple GTGs of overdriving answered, and second overdrives GTG table of comparisons record under the second picture update rate, a variety of gray scale variations
Corresponding multiple GTGs of overdriving, and the first picture update rate and the second picture update rate are all different from current turnover rate;With
And overdrive GTG according to the first GTG and second of overdriving and go out the 3rd mistake corresponding to current turnover rate with interpolation calculation
GTG is driven, to be overdrived GTG (as shown in step s 65) in the target of next picture as pixel.
Fig. 7 is the internal circuit block diagram of the time schedule controller according to one embodiment of the invention, and now sequence controller is applicable
In display.As shown in fig. 7, time schedule controller 10 includes data input processing unit 11, frame buffer (frame
Buffer) 12, data comparing unit 13, turnover rate detection unit 14, GTG computing unit 15 of overdriving, processing unit of overdriving
16 and output processing unit 17.Data input processing unit 11 is transmitted to receive image In, and by the image In after processing
To turnover rate detection unit 14, frame buffer 12, data comparing unit 13 and processing unit 16 of overdriving.Frame buffer 12
Current picture to store image In, and by be supplied to data comparing unit 13, to allow data comparing unit 13 to compare
The content of image In current picture and image In next picture, and then obtain the gray scale variation of a wherein pixel for image.
Turnover rate detection unit 14 is to receive the related parameter of the current turnover rate provided by data input processing unit 11 or borrow
Current turnover rate is calculated by the interval time of front and rear picture.
Overdrive current renewal of the GTG computing unit 15 to receive the image In acquired by turnover rate detection unit 14
The gray scale variation of above-mentioned pixel acquired by rate and data comparing unit 13, and to be looked into from the first GTG table of comparisons of overdriving
Find out first corresponding to above-mentioned gray scale variation to overdrive GTG, and above-mentioned GTG is found out from the second GTG table of comparisons of overdriving
Change is corresponding second to overdrive GTG, so according to first overdrive GTG with second overdrive GTG and in terms of interpolation method
Calculate the corresponding to the current turnover rate of image the 3rd to overdrive GTG, to overdrive ash in the target of next picture as pixel
Rank, and send the overdrive value of GTG of the target that calculating is obtained to processing unit 16 of overdriving.And processing unit 16 of overdriving
Then to transmit the image In come to data input processing unit 11 picture is set according to the overdrive value of GTG of the target that receives
The GTG of overdriving of element, is then handled using the output as time schedule controller 10 by exporting processing unit 17 again.In this way, data
Driver element (not illustrating) just can be exported according to time schedule controller 10 on the GTG size of overdriving needed for the pixel
Relevant information corresponds to the overdrive voltage of size to produce, and produced overdrive voltage is provided to the pixel, so that should
Pixel has corresponding liquid crystal cross-pressure.Above-mentioned first overdrives GTG table of comparisons record under the first picture update rate, a variety of ashes
The corresponding multiple GTGs of overdriving of rank change, and second overdrives GTG table of comparisons record under the second picture update rate, it is many
Multiple GTGs of overdriving corresponding to gray scale variation are planted, and the first picture update rate and the second picture update rate are all different from present
Turnover rate.Certainly, GTG computing unit 15 of overdriving can also use three that correspond to three different pictures turnover rates and overdrive
The GTG table of comparisons, e.g. corresponding to upper limit picture update rate, lower limit picture update rate and the picture between above-mentioned two turnover rate
Face turnover rate, come the GTG of overdriving needed for calculating under current turnover rate, to reach more accurately effect.
In addition, by above-mentioned teaching, the present invention also proposes a kind of display, and it mainly includes display panel and (not painted
Show), data drive unit (not illustrating) and foregoing time schedule controller 10.Above-mentioned display panel has a pixel, and above-mentioned number
According to the above-mentioned pixel of driver element electric property coupling.As for time schedule controller 10, it under different picture update rates to pass through number
There is provided above-mentioned pixel different overdrive voltages according to driver element, the overdrive voltage provided in it is in line with picture update rate
Sexual intercourse.
In summary, it is linear based on liquid crystal cross-pressure variable quantity and liquid crystal rotation rate, therefore the present invention can be by right
The GTG that should be overdrived in the first of the first picture update rate makes with overdriving GTG corresponding to the second of the second picture update rate
Go out the GTG of overdriving corresponding to current turnover rate with interpolation calculation so that the present invention only needs to correspond under the best circumstances
Two of two different update rates overdrive the GTG table of comparisons, can so select appropriate in the case where turnover rate continuously changes
Overdrive GTG intensity, the effect for saving hardware cost can be reached again.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and change ought can be made according to the present invention by knowing those skilled in the art
Shape should all belong to the protection domain of appended claims of the invention.
Claims (7)
1. a kind of over-driving method a, it is adaptable to display, it is characterised in that the over-driving method includes:
Receive an image;
Obtain a current turnover rate of the image;
Compare a current picture of the image and the content of a next picture, with a GTG of the wherein pixel for obtaining the image
Change;
From one first overdrive that the GTG table of comparisons found out corresponding to the gray scale variation one first overdrive GTG, and from one
Two are overdrived, and the GTG table of comparisons found out corresponding to the gray scale variation one second overdrives GTG, and wherein this first is overdrived ash
The rank table of comparisons record under one first picture update rate, multiple GTGs of overdriving corresponding to a variety of gray scale variations, and this second
The GTG table of comparisons of overdriving is recorded under one second picture update rate, multiple GTGs of overdriving corresponding to a variety of gray scale variations,
And first picture update rate is all different from the current turnover rate with second picture update rate;And
According to first GTG of overdriving second GTG is overdrived with this and to go out current turnover rate institute with an interpolation calculation right
One the 3rd answered overdrives GTG, to be overdrived GTG in a target of next picture as the pixel.
2. over-driving method as claimed in claim 1, it is characterised in that first picture update rate and second frame updating
Rate is respectively the lower limit picture update rate and a upper limit picture update rate that the display can be supported.
3. over-driving method as claimed in claim 1, it is characterised in that first picture update rate can prop up for the display
One of a lower limit picture update rate and a upper limit picture update rate for helping, and second picture update rate is then under this
Limit between picture update rate and the upper limit picture update rate.
4. a kind of time schedule controller a, it is adaptable to display, it is characterised in that the time schedule controller includes:
One data comparing unit, the content of a current picture and a next picture to compare an image, to obtain the image
A wherein pixel a gray scale variation;And
One overdrives GTG computing unit, to be found out from the one first GTG table of comparisons of overdriving corresponding to the gray scale variation
One first overdrives GTG, and from one second overdrive that the GTG table of comparisons found out corresponding to the gray scale variation one second cross and drive
Dynamic GTG, so according to this first overdrive GTG with this second overdrive GTG and the image gone out with an interpolation calculation one
One the 3rd corresponding to current turnover rate overdrives GTG, to be overdrived GTG in a target of next picture as the pixel;
Wherein this first overdrive the GTG table of comparisons record under one first picture update rate, it is many corresponding to a variety of gray scale variations
Individual GTG of overdriving, and this second overdrive the GTG table of comparisons record under one second picture update rate, a variety of gray scale variation institutes
Corresponding multiple GTGs of overdriving, and first picture update rate is all different from the current renewal with second picture update rate
Rate.
5. time schedule controller as claimed in claim 4, it is characterised in that first picture update rate and second frame updating
Rate is respectively the lower limit picture update rate and a upper limit picture update rate that the display can be supported.
6. time schedule controller as claimed in claim 4, it is characterised in that first picture update rate can prop up for the display
One of a lower limit picture update rate and a upper limit picture update rate for helping, and second picture update rate is then under this
Limit between picture update rate and the upper limit picture update rate.
7. a kind of display, it is characterised in that it includes:
One display panel, with a pixel;
One data drive unit, the electric property coupling pixel;And
Time schedule controller, to provide the pixel different mistakes by the data drive unit under different picture update rates
Driving voltage, overdrive voltage and picture update rate provided in it are in a linear relationship.
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CN110299115A (en) * | 2018-03-23 | 2019-10-01 | 奇景光电股份有限公司 | Over-driving method and sequence controller |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200921606A (en) * | 2007-11-02 | 2009-05-16 | Qisda Corp | Compensation device, method, and electronic system utilizing the same |
CN101577095A (en) * | 2008-05-07 | 2009-11-11 | 群康科技(深圳)有限公司 | Liquid crystal display and driving method thereof |
CN102136237A (en) * | 2010-01-26 | 2011-07-27 | 奇美电子股份有限公司 | Display, time sequence controller and multilevel over driving method |
CN102290036A (en) * | 2011-08-19 | 2011-12-21 | 深圳市华星光电技术有限公司 | Liquid crystal display driving method and liquid crystal display |
CN103493122A (en) * | 2011-05-03 | 2014-01-01 | 苹果公司 | Color correction method and apparatus for displays |
-
2017
- 2017-04-06 TW TW106111534A patent/TWI616858B/en active
- 2017-07-07 CN CN201710550509.7A patent/CN107221296B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200921606A (en) * | 2007-11-02 | 2009-05-16 | Qisda Corp | Compensation device, method, and electronic system utilizing the same |
CN101577095A (en) * | 2008-05-07 | 2009-11-11 | 群康科技(深圳)有限公司 | Liquid crystal display and driving method thereof |
CN102136237A (en) * | 2010-01-26 | 2011-07-27 | 奇美电子股份有限公司 | Display, time sequence controller and multilevel over driving method |
CN103493122A (en) * | 2011-05-03 | 2014-01-01 | 苹果公司 | Color correction method and apparatus for displays |
CN102290036A (en) * | 2011-08-19 | 2011-12-21 | 深圳市华星光电技术有限公司 | Liquid crystal display driving method and liquid crystal display |
Cited By (11)
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CN110299115A (en) * | 2018-03-23 | 2019-10-01 | 奇景光电股份有限公司 | Over-driving method and sequence controller |
CN110299115B (en) * | 2018-03-23 | 2022-01-18 | 奇景光电股份有限公司 | Overdrive method and time sequence controller |
CN108806623A (en) * | 2018-04-25 | 2018-11-13 | 南京中电熊猫平板显示科技有限公司 | Over-pressed compensation device and method and overvoltage compensation display device and method |
CN108877714A (en) * | 2018-07-19 | 2018-11-23 | 深圳市华星光电技术有限公司 | Liquid crystal display and its over-driving method, memory |
CN108986762A (en) * | 2018-09-11 | 2018-12-11 | 惠科股份有限公司 | Display device and voltage adjusting method thereof |
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CN112017604A (en) * | 2019-05-31 | 2020-12-01 | 京东方科技集团股份有限公司 | Driving method, driving device, display device and computer readable storage medium |
CN111028761A (en) * | 2019-12-31 | 2020-04-17 | Tcl华星光电技术有限公司 | Display device and overdrive method thereof |
WO2021134825A1 (en) * | 2019-12-31 | 2021-07-08 | Tcl华星光电技术有限公司 | Display apparatus and overdriving method therefor |
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TWI616858B (en) | 2018-03-01 |
CN107221296B (en) | 2019-12-24 |
TW201837887A (en) | 2018-10-16 |
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