CN104103230B - Display control method, display control program and display device - Google Patents
Display control method, display control program and display device Download PDFInfo
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Abstract
A kind of display control method, display control program and display device, this display control method is applicable to include the display device of display floater, and includes: receive video data；Add up the monochrome information of every string video data in this video data and produce the monochrome information statistical table of every string video data；Monochrome information statistical table and pulse width according to every string video data compensate table and produce the monochrome information table corresponding with compensated pulse width of every string video data；Monochrome information table corresponding with compensated pulse width and video data according to every string video data produce and compensate video data；And produce data drive signal and scanning drive signal to this display floater according to compensating video data, make this display floater show image.The problem that brighter grey decision-making brightness that other pixel charging in row can be produced because the data drive signal earlier closing of dark grey decision-making in each pixel column of effective compensation display floater by the present invention is inconsistent.
Description
Technical field
The present invention is related to display device, and particularly with regard to the display control technology of display device.
Background technology
So that the display device that electric current drives to be configured with multiple electric current driving display module, such as organic light emission
Diode etc..Electric current drives the luminosity system of display module according to the electricity being driven display module by electric current
Stream size with by the time depending on, the most universal practice is by pulse width modulation (Pulse Width
Modulation, PWM) mode control electric current by the time, to present different brightness (grey decision-making).
Fig. 1 show the schematic diagram of general display device 10.Display device 10 include image circuit 100,
Drive circuit 110 and display floater 120.Image circuit 100 output display data signal 130 is to driving electricity
Road 110, drive circuit 110 exports data drive signal 140 according to display data signal 130 and scanning is driven
Dynamic signal 150 to display floater 120, so that display floater 120 shows the shadow of corresponding display data signal 130
Picture.
Fig. 2 is the schematic diagram of the display floater 120 of Fig. 1.Display floater 120 includes being configured to matrix form
Multiple display modules (pixel) P, a plurality of data lines D of reception data drive signal 1401～DmAnd receive
The multi-strip scanning line S of scanning drive signal 1501～Sn.Wherein, when data drive signal in same pixel column
During 140 switch, the discharge and recharge of parasitic capacitance on display floater 120 can be affected, and produce crosstalk
(crosstalk) affect other display modules, cause display brightness inconsistent, make show image distortion.
Summary of the invention
In view of this, the present invention provides the display control technology of a kind of display device, by compensating display number
Solve the problem that the display brightness that caused because of crosstalk is inconsistent according to this.
One embodiment of the invention provides the display control method of a kind of display device, it is adaptable to include a display
One display device of panel, including: receive video data；Add up every string display number in this video data
According to monochrome information and produce the monochrome information statistical table of every string video data；Number is shown according to every string
According to this monochrome information statistical table and pulse width compensate table produce every string video data brightness letter
Cease table corresponding with compensated pulse width；This monochrome information according to every string video data and compensated pulse width
The corresponding table of degree and this video data produce and compensate video data；And produce according to this compensation video data
Data drive signal and scanning drive signal are to this display floater, so that this display floater show image.
Another embodiment of the present invention provides a kind of display control program, including: an image circuit, produce aobvious
Show data signal；One compensates circuit, receive to should the video data of display data signal, add up this and show
Registration according in the monochrome information of every string video data produce the monochrome information system of every string video data
Meter table, this monochrome information statistical table and pulse width according to every string video data compensate table and produce every
The monochrome information of string video data table corresponding with compensated pulse width, and according to every string video data
This monochrome information table corresponding with compensated pulse width and this video data produce and compensate video data；And
One drive circuit, is coupled to this image circuit and this compensation circuit, receives this display from this image circuit
This video data is also sent to this compensation circuit by data signal, and it is aobvious to receive this compensation from this compensation circuit
Registration evidence, produces data drive signal and scanning drive signal to a display according to this compensation video data
Panel, so that this display floater show image.
Yet another embodiment of the invention provides a kind of display device, including: a display floater；And one display
Control system, and include: an image circuit, produce display data signal；One compensates circuit, and it is right to receive
Should the video data of display data signal, add up the brightness letter of every string video data in this video data
Cease and produce the monochrome information statistical table of every string video data, according to this brightness of every string video data
Information Statistics table and pulse width compensate table and produce monochrome information and the compensation arteries and veins of every string video data
Rush width correspondence table, and according to this monochrome information table corresponding with compensated pulse width of every string video data
And this video data produces and compensates video data；And one drive circuit, be coupled to this image circuit with
And this compensation circuit, receive this display data signal from this image circuit and this video data is sent to this
Compensate circuit, and receive this compensation video data from this compensation circuit, produce according to this compensation video data
Data drive signal and scanning drive signal are to this display floater, so that this display floater show image.
The present invention can be because of the data-driven of dark grey decision-making in each pixel column of effective compensation display floater
The signal earlier closing problem that the brighter grey decision-making brightness that produces is inconsistent to other pixel charging in row.
Accompanying drawing explanation
Fig. 1 show the schematic diagram of general display device.
Fig. 2 show the schematic diagram of the display floater of Fig. 1.
Fig. 3 A show the partial schematic diagram of display floater.
Fig. 3 B and Fig. 3 C show the pulse width modulating signal that GTG is corresponding.
Fig. 4 show the schematic diagram of display device according to an embodiment of the invention.
Fig. 5 show the schematic diagram compensating circuit according to an embodiment of the invention.
Fig. 6 show the flow chart of the display control method of display device according to an embodiment of the invention.
Fig. 7 show the signal of the statistics video data wherein monochrome information statistical table of video data row
Figure.
Fig. 8 A show the schematic diagram of original brightness information table corresponding with pulse width.
Fig. 8 B show the signal of the monochrome information statistical table in video data corresponding to video data row
Figure.
Fig. 8 C show the schematic diagram of pulse width compensation table.
Fig. 8 D show in video data the monochrome information corresponding to video data row and compensated pulse width
The schematic diagram of the corresponding table of degree.
Fig. 9 show the flow process of the display control method of display device according to another embodiment of the present invention
Figure；
Figure 10 show the flow process of the display control method of display device according to another embodiment of the present invention
Figure.
Being simply described as follows of symbol in accompanying drawing:
10,40: display device；60,90,1000: display control method；100,400: image electricity
Road；110,410: drive circuit；120,420: display floater；130,430: display data signal；
140,440: data drive signal；150,450: scan driving signal；460: compensate circuit；470:
Video data；471: data statistics circuit；472: data compensating circuit；473: memorizer；480:
Compensate video data；A, B: GTG；CPW: pulse width compensates table；CPWMj: monochrome information
Table corresponding with compensated pulse width；D1, D2, Dm-1, Dm: data wire；ID: data current；P:
Pixel；PWM: pulse width correspondence table；Ri, Rj: video data arranges；Rm-1, Rm, Rm+1:
Pixel column；S1, S2, Sn: scan line；STi, STj: monochrome information statistical table；S610、S620、
S630, S640: step；S910, S920, S921 ..., S929, S930, S940: step；
S1010, S1020, S921 ..., S1029, S1030, S1040: step；TH1、TH2、…、
TH4: pixel quantity threshold value.
Detailed description of the invention
Following description is embodiments of the invention.Its purpose is to illustrate the present invention general former
Then, being not construed as the restriction of the present invention, the scope of the present invention is when with being as the criterion that claims are defined.
It should be noted that following disclosed content can provide multiple in order to put into practice the different special of the present invention
The embodiment of point or example.The special assembly example of the following stated and arrangement are only in order to explain in brief
State the spirit of the present invention, be not limited to the scope of the present invention.Additionally, description below may be many
Individual example is reused identical element numbers or word.But, reusable purpose is only for carrying
Also clearly illustrate for simplifying, be not limited to multiple embodiment discussed below and/or configuration
Between relation.Additionally, a feature described in description below is connected to, is coupled to and/or is formed at
The first-class description of another feature, reality can comprise multiple different embodiment, direct including such feature
Contact, or comprise other extra feature and be formed between such feature etc. so that such feature is also
Non-direct contact.
Fig. 3 A show the partial schematic diagram of a display floater.As it can be seen, by same scan line enable
Pixel column RmIn, the pixel display GTG B of a part, and the pixel of major part display GTG A,
Wherein the brightness of the GTG A brightness compared with GTG B is low.In addition, in figure 3 a, pixel column Rm-1With
Rm+1Pixel all show GTG B.Fig. 3 B show the one of pulse width modulating signal corresponding for GTG A
Individual example, wherein the size of current of the pulse width modulating signal of GTG A is ID, pulse width is tA.Figure
3C show an example of pulse width modulating signal corresponding for GTG B, wherein the pulse width of GTG B
The size of current of degree modulated signal is ID, pulse width is tB.As pixel column RmThe picture of middle display GTG A
When the data drive signal that element is accepted is closed, can be to pixel column RmIn the parasitic capacitance of other pixels fill
Electricity, therefore pixel column RmIn the display brightness of GTG B can be than pixel column Rm-1And Rm+1In GTG B
Bright, cause the brightness irregularities of GTG B, pixel column RmIn GTG B need compensate.
Fig. 4 show the schematic diagram of display device 40 according to an embodiment of the invention.Display device 40 wraps
Include display floater 420 and display control program.Display control program includes image circuit 400, drives electricity
Road 410 and compensation circuit 460.Image circuit 400 output display data signal 430 to drive circuit 410,
The video data 470 of corresponding display data signal 430 is sent to compensate circuit 460 by drive circuit 410.Mend
Repay circuit 460 add up every string video data in video data 470 monochrome information and produce every string show
The monochrome information statistical table of registration evidence, according to monochrome information statistical table and the pulse of every string video data
The monochrome information table corresponding with compensated pulse width of the width compensation table every string video data of generation, and according to
The monochrome information table corresponding with compensated pulse width of every string video data and video data produce and compensate
Video data 480, then compensation video data is sent to drive circuit 410.Drive circuit 410 is according to benefit
Repay video data 480 and produce data drive signal 440 and scanning drive signal 450 to display floater 420,
So that the image after display floater 420 display compensation.
Fig. 5 show the schematic diagram compensating circuit 460 according to an embodiment of the invention.Compensate circuit 460
Including data statistics circuit 471, data compensating circuit 472 and memorizer 473.Memorizer 473 receives also
Storing video data 470, data statistics circuit 471 access is stored in the video data in memorizer 473
470, in statistics video data 470, the monochrome information of every string video data is to produce every string video data
Monochrome information statistical table, and the monochrome information statistical table of every string video data is sent to compensation data
Circuit 472.Data compensating circuit 472 is according to the monochrome information statistical table of every string video data and storage
Pulse width in memorizer 473 compensates table and produces monochrome information and the compensation arteries and veins of every string video data
Rush width correspondence table, and according to the monochrome information table corresponding with compensated pulse width of every string video data with
And video data produces and compensates video data 480, then compensation video data is sent to drive circuit 410.
The monochrome information statistical table of the most above-mentioned generation every string video data, produce the bright of every string video data
The method of degree information and the compensated pulse corresponding table of width etc. will be in as detailed below.
Fig. 6 show the flow process of the display control method 60 of display device according to an embodiment of the invention
Figure.First, in step S610, receive video data, such as video data 470.In step S620
In, in statistics video data, the monochrome information of every string video data, produces the bright of every string video data
Degree Information Statistics table.As a example by Fig. 7, Fig. 7 is a statistics video data 470 wherein video data row Ri's
Monochrome information statistical table STiSchematic diagram.In an example, if display floater includes m × n display module
(pixel), then video data 470 is the matrix form video data of m × n, and each unit in video data 470
The pixel that numerical value is correspondence position grey decision-making to display (brightness value) of element.Monochrome information statistical table STi
Middle record video data row RiIn pixel quantity corresponding to each grey decision-making.Assume according to video data row Ri,
There is A3Individual pixel can show GTG 3, then in monochrome information statistical table STiIn, the quantity corresponding to GTG 3
For A3, by that analogy, available video data row RiIn pixel quantity corresponding to each grey decision-making.At this
In example and following example, the display floater display grey decision-making N rank grey-tone image from 0 to N-1, wherein
Grey decision-making 0 is minimum brightness (such as black), and grey decision-making N-1 is maximum brightness (such as white), and N is one just
Integer, such as 256.Other video data row in video data 470 can also same mode be produced
The monochrome information statistical table of its correspondence raw.
Then, in step S630, monochrome information statistical table and pulse width according to every string compensate
Table produces the monochrome information table corresponding with compensated pulse width of every string.Then believe according to the brightness of every string
Cease table corresponding with compensated pulse width and video data produces and compensates video data, such as, compensate display number
According to 480.The monochrome information producing every string and compensated pulse width is illustrated how below with Fig. 8 A to Fig. 8 D
Corresponding table.Fig. 8 A show the schematic diagram of original monochrome information table PWM corresponding with pulse width, also
That is, monochrome information table PWM corresponding with pulse width is monochrome information and the pulse width of not compensated
The corresponding table of degree.Monochrome information table PWM corresponding with pulse width i.e. can write before display device dispatches from the factory to
In memorizer 473.Fig. 8 B show a video data row R in video datajCorresponding monochrome information system
Meter table STjSchematic diagram.Monochrome information statistical table STjProducing method and above-mentioned monochrome information statistical table STi
Identical, the most no longer repeat.For icon for purpose of brevity, monochrome information statistical table STjMiddle quantity is the letter of 0
Breath is deleted.Fig. 8 C show the schematic diagram of pulse width compensation table CPW.Pulse width compensates table CPW
Can set according to the display characteristic of display floater, and write to memory storage before display device dispatches from the factory
In 473.Fig. 8 D show video data row R in video datajCorresponding monochrome information and compensated pulse
Width correspondence table CPWMjSchematic diagram.Before not compensated, monochrome information is corresponding with compensated pulse width
Table CPWMjIn compensated pulse width initial value table PWM corresponding with pulse width corresponding to each grey decision-making
Identical.In compensating operation, for less than grey decision-making (brightness value) threshold value THGGrey decision-making do not carry out
Compensate.In the example of Fig. 8 A to Fig. 8 D, grey decision-making threshold value THGIt is 1.Therefore, grey decision-making 0 and 1 institute
Corresponding pulse width uncompensation, as in fig. 8d, and grey decision-making 2～N-1 can compensate.In an example
In son, can compensate from the grey decision-making that the grey decision-making that brightness is relatively low starts toward brightness is high.For example,
Firstly, for grey decision-making 2, from monochrome information statistical table STjIt is appreciated that the statistics corresponding to grey decision-making 1
Quantity is A1, it is assumed that A1Fall 0～TH1Quantitative range in, and according to pulse width compensate table CPW
It is appreciated that 0～TH1The pulse width reduced value corresponding to quantitative range be 0, therefore consider GTG
When the pulse width of value 2 compensates, the pulse width of grey decision-making 2～N-1 will not reduce.Then, for ash
Rank value 3, from monochrome information statistical table STjIt is appreciated that the statistical magnitude corresponding to grey decision-making 2 is A2, false
If A2Fall at TH1+ 1～TH2Quantitative range in, and be appreciated that according to pulse width compensation table CPW
TH1+1～TH2The pulse width reduced value corresponding to quantitative range be tX, therefore grey decision-making 3～N-1
Pulse width all deduct tX.Then, for grey decision-making 4, from monochrome information statistical table STjIt is appreciated that
Statistical magnitude corresponding to grey decision-making 3 is A3, it is assumed that A3 falls at TH3+ 1～TH4Quantitative range in,
And it is appreciated that TH according to pulse width compensation table CPW3+ 1～TH4The pulse corresponding to quantitative range
Width reduced value is tZ, therefore the pulse width of grey decision-making 4～N-1 to deduct t againZ.Then, for ash
Rank value 5～N-1, the pulse width reduced value corresponding to its previous grey decision-making is 0, thus without
Reduce pulse width again.It is noted that due in monochrome information statistical table STjMiddle grey decision-making 4～N-2
Corresponding quantity is 0, therefore, for graphic for purpose of brevity, corresponding with compensated pulse width in monochrome information
Table CPWMjThe information of middle omission grey decision-making 4～N-2.After above-mentioned compensation, corresponding to grey decision-making 3
Compensated pulse width is t3-tX, and the compensated pulse width corresponding to grey decision-making N-1 is tN-1-tX-tZ.Must note
Meaning, in compensated pulse width table after the compensation, compensated pulse width to maintain along with grey decision-making
The form being incremented by, such as (t3-tX)>t2。
Class can be pushed into other row video datas as mentioned above, obtain every string video data in video data
Monochrome information table corresponding with compensated pulse width, such as in the example that display floater size is m × n, always
Meet together and obtain n monochrome information table CPWM corresponding with compensated pulse width1～CPWMn.Then according to benefit
Repay pulse width correspondence table CPWM1～CPWMnAnd video data produces and compensates video data.Such as,
Compensate video data 480 and can include video data 470 and compensated pulse width correspondence table CPWM1~
CPWMn.Finally, in step S640, according to compensate video data produce data drive signal and
Scanning drive signal, to display floater, makes display floater show image.
Fig. 9 show the flow process of the display control method 90 of display device according to another embodiment of the present invention
Figure.In step S910, receive video data.In step S921, first set the initial value of columns x
It is 1.Then step S922～S927 are for compensating xth row video data to produce xth row display number
According to monochrome information table CPWM corresponding with compensated pulse widthxStep, be wherein m × n at display floater
Example in, x=1～n.In step S922, the monochrome information of statistics xth row video data, produce
Monochrome information statistical table STx, such as monochrome information statistical table ST of the jth row video data shown in Fig. 8 Bj。
In step S923, the initial value of grey decision-making G is set as 0.In step S924, it is judged that grey decision-making G
Whether less than or equal to grey decision-making threshold value THG.If so, represent and be made without compensating, then such as step S925
Shown in, G=G+1, and return to step S924.Compensate if it is not, represent needs, then in step S926
Middle according to monochrome information statistical table STxThe quantity of middle grey decision-making G-1 and pulse width compensate table CPW certainly
Determine the pulse width decrement of grey decision-making G～N-1, and this pulse width decrement is noted down to monochrome information
Table CPWM corresponding with compensated pulse widthxIn, say, that by monochrome information and compensated pulse width
Corresponding table CPWMxCompensated pulse width corresponding to middle grey decision-making G～N-1 deducts and compensates from pulse width
The pulse width decrement corresponding to quantity of the grey decision-making G-1 obtained in table CPW.Then in step
S927 judging, whether G is less than N-1.If so, represent and not yet compensated owning in xth row video data
Grey decision-making, then, as shown in step S925, by G plus 1, return step S924, proceed by next
The compensation of individual grey decision-making.If it is not, all grey decision-making represented in xth row video data have all compensated, then
As shown in step S928, it is judged that whether x is less than n.If so, represent and not yet compensated all of video data
Video data arranges, then, as shown in step S929, by x plus 1, return step S922, proceed by down
The compensation of string video data.If it is not, all video datas row represented in video data have all compensated,
Obtain all of compensated pulse width correspondence table CPWM1～CPWMn, then as shown in step S930,
According to compensated pulse width correspondence table CPWM1～CPWMnAnd video data produces and compensates display number
According to.Finally, in step S940, produce information-driven signal according to compensation video data and scanning is driven
Dynamic signal is to display floater, the image after making display floater display compensate.
Shown in above-described embodiment, in the display control program and display control method of the present invention,
Each pixel column of effective compensation display floater relatively early can be closed at data drive signal because of dark grey decision-making
Close the phenomenon that the brighter grey decision-making brightness producing other pixel charging in row is inconsistent.
In the above-described embodiments, pulse width compensates quantitative range (the namely pixel quantity threshold of table CPW
Value TH1、TH2、TH3Deng) and pulse width reduced value can determine according to the display characteristic of display floater.
In an example, varying number scope can be measured by the display pattern of similar Fig. 3 A and luminance sensor
Corresponding pulse width reduced value.In one embodiment, can enter according to Sing plus width compensation table CPW
The all grey decision-making of row compensate, in another embodiment, and can be according to different grey decision-making or different grey decision-making scope
Corresponding different pulse width compensation tables compensate.
In the above-described embodiments, grey decision-making threshold value THGCan determine according to the characteristic of display floater, such as may be used
Data current and pulse width modulation control method according to display floater determine at certain pulse width threshold
It is worth following pulse width uncompensation, and determines grey decision-making threshold value TH according to this pulse-width thresholdG。
Figure 10 show the display control method 1000 of display device according to another embodiment of the present invention
Flow chart.Display control method 1000 is similar with display control method 90, and its Main Differences is step
S1024.In step S1024, with pulse-width threshold PWMTHGrey decision-making in step of replacing S924
Threshold value THG, and judge corresponding pulse width PWM to grey decision-making GGWhether less than or equal to pulse width
Degree threshold value PWMTH.If so, represent this pulse width to be made without compensating, then such as step S1025 institute
Show, G=G+1, and return to step S1024.Compensate if it is not, then represent needs, therefore continue
Flow process after step S1026.
In the above-described embodiments, pulse-width threshold PWMTHCan determine according to the characteristic of display floater, example
As determined at certain pulse width according to the data current of display floater and pulse width modulation control method
Degree threshold value PWMTHFollowing pulse width does not compensates.
The above is the general introduction feature of embodiment.Those skilled in the art should utilize easily
Design based on the present invention or adjust carry out identical purpose and/or reach embodiment described herein
Same advantage.Those skilled in the art are not it will also be appreciated that identical configuration should deviate from spirit and the model of this creation
Enclosing, under the spirit and scope created without departing substantially from this, they can make various change, replace and replace.Say
The method of bright property only represents exemplary step, but these steps are not necessarily to hold with represented order
OK.Can it is possible to additionally incorporate, replace, change order and/or removal process optionally to adjust, and with institute
The embodiment spirit and scope disclosed are consistent.
Claims (18)
1. the display control method of a display device, it is characterised in that be applicable to include a display floater
A display device, including:
Receive video data；
Add up the monochrome information of every string video data in this video data and produce every string video data
Monochrome information statistical table；
This monochrome information statistical table and pulse width according to every string video data compensate table and produce every
The monochrome information of string video data table corresponding with compensated pulse width；
This monochrome information table corresponding with compensated pulse width according to every string video data and this display
Data produce and compensate video data；And
Data drive signal and scanning drive signal is produced to this display surface according to this compensation video data
Plate, so that this display floater show image.
The display control method of display device the most according to claim 1, it is characterised in that this shows
Registration is according to the matrix form video data being the corresponding display module matrix to this display floater.
The display control method of display device the most according to claim 2, it is characterised in that this shows
Show the Display panel grey decision-making N rank image from 0 to N-1, wherein add up every string in this video data and show
The step of the monochrome information of data the monochrome information statistical table that produces every string video data also includes:
Add up the pixel quantity corresponding to each grey decision-making in every string video data.
The display control method of display device the most according to claim 3, it is characterised in that according to
This monochrome information statistical table of every string video data and pulse width compensate the table every string of generation and show
The step of the monochrome information of data table corresponding with compensated pulse width also includes:
For each grey decision-making G more than a grey decision-making threshold value in every string video data, carry out following step
Rapid:
According to the pixel quantity corresponding to grey decision-making G-1 in this monochrome information statistical table, with reference to this arteries and veins
Rush width compensation table, obtain the pulse width decrement corresponding to this pixel quantity；And
By the arteries and veins corresponding to grey decision-making G to N-1 in corresponding with compensated pulse width for this monochrome information table
Rush width and deduct this pulse width decrement.
The display control method of display device the most according to claim 4, it is characterised in that at this
Pulse width compensates in table, subtracts less than the pulse width corresponding to the pixel quantity of a pixel quantity threshold value
It is zero on a small quantity.
The display control method of display device the most according to claim 3, it is characterised in that for
Do not compensate less than the pulse width of a pulse-width threshold.
7. a display control program, it is characterised in that including:
One image circuit, produces display data signal；
One compensates circuit, receive to should the video data of display data signal, add up in this video data
The monochrome information of every string video data also produces the monochrome information statistical table of every string video data, according to
This monochrome information statistical table of every string video data and pulse width compensate the table every string of generation and show
The monochrome information of data table corresponding with compensated pulse width, and believe according to this brightness of every string video data
Cease table corresponding with compensated pulse width and this video data produces and compensates video data；And
One drive circuit, is coupled to this image circuit and this compensation circuit, and receiving from this image circuit should
This video data is also sent to this compensation circuit, and receive this benefit from this compensation circuit by display data signal
Repay video data, produce data drive signal and scanning drive signal to one according to this compensation video data
Display floater, so that this display floater show image.
Display control program the most according to claim 7, it is characterised in that this video data is right
Should be to the matrix form video data of the display module matrix of this display floater.
Display control program the most according to claim 8, it is characterised in that this display floater shows
Grey decision-making also adds up each grey decision-making in every string video data from the N rank image of 0 to N-1, this compensation circuit
Corresponding pixel quantity is to produce this monochrome information statistical table of every string video data.
Display control program the most according to claim 9, it is characterised in that every string is shown
More than each grey decision-making G of a grey decision-making threshold value in data, this compensation circuit is added up according to this monochrome information
Pixel quantity corresponding to grey decision-making G-1 in table, compensates table with reference to this pulse width, obtains this pixel count
Pulse width decrement corresponding to amount, and by GTG in corresponding with compensated pulse width for this monochrome information table
Pulse width corresponding to value G to N-1 deducts this pulse width decrement.
11. display control programs according to claim 10, it is characterised in that in this pulse width
Compensate in table, less than the pulse width decrement corresponding to the pixel quantity of a pixel quantity threshold value be
Zero.
12. display control programs according to claim 9, it is characterised in that this compensation circuit for
Do not compensate less than the pulse width of a pulse-width threshold.
13. 1 kinds of display devices, it is characterised in that including:
One display floater；And
One display control program, including:
One image circuit, produces display data signal；
One compensates circuit, receive to should the video data of display data signal, add up this display number
According to every string video data monochrome information and produce every string video data monochrome information system
Meter table, this monochrome information statistical table and pulse width according to every string video data compensate table and produce
The monochrome information table corresponding with compensated pulse width of raw every string video data, and show according to every string
This monochrome information table corresponding with compensated pulse width of registration evidence and this video data produce and compensate
Video data；And
One drive circuit, is coupled to this image circuit and this compensation circuit, connects from this image circuit
Receive this display data signal and this video data is sent to this compensation circuit, and from this compensation circuit
Receive this compensation video data, produce data drive signal and scanning according to this compensation video data
Driving signal is to this display floater, so that this display floater show image.
14. display devices according to claim 13, it is characterised in that this video data is corresponding
Matrix form video data to the display module matrix of this display floater.
15. display devices according to claim 14, it is characterised in that this display floater display ash
Rank value is from the N rank image of 0 to N-1, and this compensation circuit also adds up each grey decision-making institute in every string video data
Corresponding pixel quantity is to produce this monochrome information statistical table of every string video data.
16. display devices according to claim 15, it is characterised in that for every string video data
In more than each grey decision-making G of a grey decision-making threshold value, this compensation circuit is according in this monochrome information statistical table
Pixel quantity corresponding to grey decision-making G-1, compensates table with reference to this pulse width, obtains this pixel quantity institute
Corresponding pulse width decrement, and by grey decision-making G in corresponding with compensated pulse width for this monochrome information table
This pulse width decrement is deducted to the pulse width corresponding to N-1.
17. display devices according to claim 16, it is characterised in that compensate in this pulse width
In table, it is zero less than the pulse width decrement corresponding to the pixel quantity of a pixel quantity threshold value.
18. display devices according to claim 15, it is characterised in that this compensation circuit is not for
Do not compensate more than the pulse width of a pulse-width threshold.
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| CN104882113B (en) * | 2015-06-25 | 2018-03-27 | 京东方科技集团股份有限公司 | Correct drive circuit, liquid crystal display device and the driving method of LCD display effects |
| WO2019046633A1 (en) * | 2017-08-30 | 2019-03-07 | Planar Systems, Inc. | Current controller for output stage of led driver circuitry |
| CN108831302B (en) * | 2018-06-19 | 2020-08-21 | 武汉天马微电子有限公司 | Display panel and display device |
| US10978011B2 (en) * | 2019-02-20 | 2021-04-13 | Sakai Display Products Corporation | Liquid-crystal display apparatus and method for correcting image signal |
| CN116597774B (en) * | 2023-07-17 | 2024-02-02 | 成都利普芯微电子有限公司 | LED driving chip, LED display screen and display data compensation method |
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