CN109144200A - Picture display process, computer storage medium and display device - Google Patents
Picture display process, computer storage medium and display device Download PDFInfo
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- CN109144200A CN109144200A CN201810869726.7A CN201810869726A CN109144200A CN 109144200 A CN109144200 A CN 109144200A CN 201810869726 A CN201810869726 A CN 201810869726A CN 109144200 A CN109144200 A CN 109144200A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 239000006185 dispersion Substances 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010019133 Hangover Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/206—Cooling means comprising thermal management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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Abstract
The invention discloses picture display process, computer storage medium and display device, the picture display process obtains the brightness value of each sub-pixel in picture comprising steps of the predetermined picture shown of reception；Judge whether the picture is heavily loaded picture: calculating brightness value measures of dispersion of the sub-pixel in picture in sampling area, if being greater than the first sub-pixel of preset threshold in the picture comprising brightness value measures of dispersion, then the picture is heavily loaded picture, is otherwise underloading picture；If the picture is heavily loaded picture, the heavily loaded picture is set to be converted to underloading picture by adjusting the brightness value of first sub-pixel；The picture is shown according to the brightness value driving of the corresponding sub-pixel of underloading picture.When the picture is heavily loaded picture, this method can reduce the difference of the brightness value between the adjacent rows sub-pixel driven by same data line, mitigate the load of driving IC, so as to avoid IC overheat is driven under the premise of the overall brightness value of holding display picture is constant.
Description
Technical field
The present invention relates to image display technology field, especially picture display process, computer storage medium and display dresses
It sets.
Background technique
With the development of display panel the relevant technologies, requirement of the people to the switch speed and image quality that show picture is increasingly
Height, and to obtain faster switch speed and higher image quality is necessarily required to increase the load of driving IC, especially work as display surface
The heavily loaded picture that plate needs display data signal to change greatly is (with reference to the corresponding voltage waveform of example heavy duty picture shown in FIG. 1
Figure, wherein V represents voltage, and T represents the time, and H represents high level, and L represents low level, and in heavily loaded picture, there are data voltages
Continually switch between high level and low level), make the display brightness of continuous several row sub-pixels in low-light level and highlights
When continually being switched between degree, driving IC is in high load, will generate excessively high temperature, it is easy to cause to drive IC's
Damage, can not work normally it, and will cause a large amount of consumption of electric current, improves the power consumption of display panel.At present in the industry often
By increasing the method for cooling fin for driving IC come the problems of excessive heat for solving driving IC, still, this will undoubtedly increase production cost,
It is unfavorable for the large-scale production of display panel, therefore, it is necessary to propose other schemes to solve the above problems.
Summary of the invention
In view of this, coming the purpose of the present invention is to provide picture display process, computer storage medium and display device
It solves the above problems.
In order to achieve the above purpose, present invention employs the following technical solutions:
The present invention provides a kind of picture display process, comprising steps of receiving the picture of predetermined display, obtain the picture
In each sub-pixel brightness value；Judge whether the picture is heavily loaded picture: the sub-pixel calculated in the picture is sampling
Brightness value measures of dispersion in region, if being greater than the first sub-pixel of preset threshold in the picture comprising brightness value measures of dispersion,
The picture is heavily loaded picture, is otherwise underloading picture；If the picture is heavily loaded picture, by adjusting first sub-pixel
Brightness value so that the heavily loaded picture is converted to underloading picture；Display is driven according to the brightness value of the corresponding sub-pixel of underloading picture
The picture；Wherein, the sampling area is the continuous several columns sub-pixel in continuous at least three row sub-pixels.
Preferably, the picture includes I row × J column sub-pixel, and (I) calculates the brightness value difference of sub-pixel according to the following formula
Different amount, the formula (I) are as follows: Wherein, Δ is the brightness value measures of dispersion of sub-pixel, and M is the brightness value of sub-pixel, institute
Stating sampling area is that kth of i-th row into the i-th+2 row sub-pixel arranges the sub-pixel arranged to l；I and J be positive integer, i ∈ 1,
2,3 ..., I-2 }, j ∈ { 1,2,3 ..., J }, k ∈ [1, J], l ∈ [1, J], and k≤j, l >=j.
Preferably, the lower bound of the columns of the sampling area is k=j.
Preferably, the upper bound of the columns of the sampling area is l ∈ [k+35, k+53].
Preferably, the upper bound of the columns of the sampling area is l=k+44.
Preferably, set the first sub-pixel target brightness value T, according to the target brightness value T of first sub-pixel with
The size relation of brightness value M before adjustment calculates the brightness value N adjusted for obtaining first sub-pixel: as T >=M, according to
Following formula (II) calculates the brightness value N adjusted for obtaining first sub-pixel, the formula (II) are as follows: N=M+ γ *
(T-M)；As T < M, (III) calculates the brightness value N adjusted for obtaining first sub-pixel, the formula according to the following formula
(III) are as follows: N=M- γ * (M-T)；Wherein, γ is preset regulation coefficient.
Preferably, (IV) calculates the target brightness value T for obtaining first sub-pixel, the formula according to the following formula
(IV) are as follows: T=(MI, j+MI+1, j)/2。
Preferably, the preset regulation coefficient be γ ∈ (0,1].
The present invention also provides a kind of computer storage medium, it is aobvious that picture is stored on the computer readable storage medium
Show program, the picture displaying program is for being executed by processor to realize picture display process as described above.
The present invention also provides a kind of display device, including memory, processor and it is stored on the memory and can
The picture displaying program run on the processor, the picture displaying program are used to be executed by the processor to realize such as
The upper picture display process.
Picture display process, computer storage medium and display device provided by the invention first pass through the predetermined display of judgement
Whether picture is heavily loaded picture, adjusts the brightness value of the first sub-pixel in heavily loaded picture, makes heavily loaded screen transition underloading picture,
It is finally shown with being lightly loaded picture, so that reducing under the premise of the overall brightness value of holding display picture is constant by same
Brightness change between the adjacent rows sub-pixel of one data line driving, reduces the variable quantity of data-signal, and then alleviate drive
The load of dynamic IC solves problems of excessive heat when driving IC shows heavily loaded picture with lower cost, reduces display panel
Power consumption.
Detailed description of the invention
Fig. 1 is the voltage oscillogram of the corresponding data-signal of exemplary heavily loaded picture；
Fig. 2 is the flow diagram of picture display process provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
The mode of applying is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.Shown in attached drawing and according to
The embodiments of the present invention of attached drawing description are only exemplary, and the present invention is not limited to these embodiments.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted relationship it is little other are thin
Section.
As shown in fig.2, a kind of picture display process is present embodiments provided, comprising steps of
S1, the picture for receiving predetermined display, obtain the brightness value of each sub-pixel in the picture.
S2, judge whether the picture is heavily loaded picture: it is bright in sampling area to calculate the sub-pixel in the picture
Angle value measures of dispersion, if being greater than the first sub-pixel of preset threshold in the picture comprising brightness value measures of dispersion, the picture is
Otherwise heavily loaded picture is underloading picture.If the picture is heavily loaded picture, the brightness value by adjusting first sub-pixel makes
The heavy duty picture is converted to underloading picture.
Wherein, the sampling area is the continuous several columns sub-pixel in continuous at least three row sub-pixels, described pre-
If threshold value is by user's sets itself, for determining that the first sub-pixel for constituting heavily loaded picture is corresponding bright according to the standard of user
Angle value measures of dispersion.
In the present embodiment, the picture includes I row × J column sub-pixel, and (I) calculates the bright of sub-pixel according to the following formula
Angle value measures of dispersion, the formula (I) are as follows:
Wherein, Δ is the brightness value measures of dispersion of sub-pixel, and M is the brightness value of sub-pixel, and i is line number locating for sub-pixel, and j is
Columns locating for sub-pixel, k are the lower bound of the columns of the sampling area, and l is the upper bound of the columns of the sampling area, described to adopt
Sample region is that kth of i-th row into the i-th+2 row sub-pixel arranges the sub-pixel arranged to l；I and J be positive integer, i ∈ 1,2,
3 ..., I-2 }, j ∈ { 1,2,3 ..., J }, k ∈ [1, J], l ∈ [1, J], and k≤j, l >=j.In the present embodiment, l >=k+
1, i.e., the described sampling area includes at least continuous two column sub-pixel.
Above procedure is equivalent to when progressively scanning to the sub-pixel of I row × J column, locating for currently processed sub-pixel
In continuous three row of array, the several columns sub-pixel of [k, l] range is chosen as sample, acquires the brightness value difference of these samples
Measuring Δ, (by above-mentioned formula (I) it is found that the brightness value measures of dispersion of sub-pixel is in sample range, same column sub-pixel is relatively next
The average value of the absolute value of the difference of the brightness value of row sub-pixel), whether preset threshold judgement is exceeded according to brightness value measures of dispersion Δ
Whether the sub-pixel is the first sub-pixel for making to show that picture becomes heavily loaded picture.Wherein, it is in display panel edge a line
The next line sub-pixel that does not compare therewith of sub-pixel, even if brightness value gap between the sub-pixel of its previous row compared with
Greatly, after the sub-pixel of its previous row is adjusted, the brightness value measures of dispersion Δ at this is lower than preset threshold, does not constitute heavily loaded picture
Face, the sub-pixel of edge a line is without being adjusted.Such as when there are the sub-pixel of continuous three row high brightness and low-light level it
Between alternately switch, just assert the first sub-pixel for existing in these sub-pixels and constituting heavily loaded picture.It is described to adopt therefore in above procedure
Sample region is the continuous several columns sub-pixel in continuous at least three row sub-pixels, i ∈ { 1,2,3 ..., I-2 }.
Illustratively, the lower bound of the columns of the sampling area is k=j.Limit with the first currently processed sub-pixel
It is locating column as sampling area first, the several columns of the column and one side are sampled.
Illustratively, the upper bound of the columns of the sampling area is l ∈ [k+35, k+53].Generally, a pixel unit
Including tri- sub-pixels of RGB, the present embodiment is limited to including 36~54 column in being listed in locating for the first currently processed sub-pixel
Be sampled, be equivalent to using include the first currently processed sub-pixel column interior~18 column of 12 column pixel unit as sample
Product.
Further, the upper bound of the columns of the sampling area is l=k+44.The present embodiment is by experiment, currently to locate
45 column in being listed in locating for first sub-pixel of reason are sampled, and are equivalent to include the first currently processed sub-pixel column
It is classified as the preferred value of sample number as sample, 15 in the pixel unit of interior 15 column, so that when using the picture display process, energy
Lower algorithm executory cost is maintained, and the underloading picture obtained can be made to occur on the line direction of arrangement of subpixels, is kept away
Exempt to overlap by display occurs between brightness value the first sub-pixel adjusted and other sub-pixels of adjacent column, to cause to show
The problems such as fuzzy or hangover.
Specifically, set the first sub-pixel target brightness value T, according to the target brightness value T of first sub-pixel with
The size relation of brightness value M before adjustment calculates the brightness value N adjusted for obtaining first sub-pixel:
As T >=M, (II) calculates the brightness value N adjusted for obtaining first sub-pixel, the public affairs according to the following formula
Formula (II) are as follows: N=M+ γ * (T-M)；
As T < M, (III) calculates the brightness value N adjusted for obtaining first sub-pixel, the public affairs according to the following formula
Formula (III) are as follows: N=M- γ * (M-T).
Wherein, γ is preset regulation coefficient.The preset regulation coefficient γ is the coefficient that user freely sets, and is passed through
The size of the regulation coefficient γ is controlled, the adjustment degree to the brightness value of the first sub-pixel is controlled, the regulation coefficient γ is got over
Greatly, the brightness value variation after the first sub-pixel is adjusted is bigger, closer to its target brightness value.In the present embodiment, institute
State preset regulation coefficient be γ ∈ (0,1].
(IV) calculates the target brightness value T for obtaining first sub-pixel, the formula (IV) according to the following formula are as follows:
T=(MI, j+MI+1, j)/2；
The target brightness value T of first sub-pixel is next line in the brightness value and same column of first sub-pixel
Average value between the brightness value of pixel, represent the brightness value of first sub-pixel variation tendency or the first sub- picture
The adjustment direction of the brightness value of element.
Obtaining the formula (II) of the brightness value N adjusted of first sub-pixel and (III) by above-mentioned calculating can see
Out, the size relation of the brightness value M before target brightness value T and adjustment regardless of first sub-pixel, first son
After treatment, brightness value will tend to its target brightness value and is changed pixel, reduce the next line adjacent on same column
The difference of the brightness value of sub-pixel, and show the overall brightness of picture and remain unchanged.As a result, by adjusting first sub-pixel
Brightness, reduces the variable quantity of corresponding data signal, to alleviate the load of driving IC, solves driving with lower cost
The problems of excessive heat of IC, and reduce the power consumption of display panel.
S3, the picture is shown according to the brightness value driving of the corresponding sub-pixel of underloading picture.
Finally, if the picture was underloading picture originally, the picture can be directly displayed；If the picture was heavy duty originally
Picture, its first sub-pixel after being adjusted, the screen transition are that underloading picture is shown.
Above-mentioned picture display process is applied to 1G1D (corresponding 1 scan line of 1Gate1Data, i.e. 1 data line) framework
Display panel, the sub-pixel of same data line driving same color.
The embodiment of the invention also provides a kind of computer storage medium, it is stored on the computer readable storage medium
Picture displaying program, the picture displaying program is for being executed by processor to realize picture display process as described above.
The embodiment of the invention also provides a kind of display device, including memory, processor and it is stored in the memory
Picture displaying program that is upper and can running on the processor, the picture displaying program be used for by processor execution with
Realize picture display process as described above.
Wherein, the memory includes at least a type of readable storage medium storing program for executing, is installed on the display for storing
The operating system of device and types of applications software, such as the code of the picture displaying program etc..In addition, the memory may be used also
For temporarily storing the Various types of data that has exported or will export.
The processor can be in some embodiments central processing unit (Central Processing Unit,
CPU), controller, microcontroller, microprocessor or other data processing chips.The processor is commonly used in the control electronics
The overall operation of device.In the present embodiment, the processor is for running the program code stored in the memory or place
Manage data, such as run the picture displaying program etc..
In conclusion picture display process provided in this embodiment, computer storage medium and display device, first pass through and sentence
Whether disconnected predetermined display picture is heavily loaded picture, adjusts the brightness value of the first sub-pixel in heavily loaded picture, makes heavily loaded screen transition
For underloading picture, finally shown with being lightly loaded picture, so that under the premise of the overall brightness value of holding display picture is constant,
Reduce the brightness change between the adjacent rows sub-pixel driven by same data line, reduces the variable quantity of data-signal, into
And the load of driving IC is alleviated, it solves problems of excessive heat when driving IC shows heavily loaded picture with lower cost, reduces
The power consumption of display panel.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (10)
1. a kind of picture display process, which is characterized in that comprising steps of
The picture for receiving predetermined display, obtains the brightness value of each sub-pixel in the picture；
Judge whether the picture is heavily loaded picture: calculating brightness value difference of the sub-pixel in the picture in sampling area
Amount, if being greater than the first sub-pixel of preset threshold in the picture comprising brightness value measures of dispersion, the picture is heavily loaded picture,
It otherwise is underloading picture；
If the picture is heavily loaded picture, be converted to the heavily loaded picture gently by adjusting the brightness value of first sub-pixel
Carry picture；
The picture is shown according to the brightness value driving of the corresponding sub-pixel of underloading picture；
Wherein, the sampling area is the continuous several columns sub-pixel in continuous at least three row sub-pixels.
2. picture display process according to claim 1, which is characterized in that the picture includes I row × J column sub-pixel,
(I) calculates the brightness value measures of dispersion of sub-pixel, the public affairs formula (I) according to the following formula are as follows:
Wherein, Δ is the brightness value measures of dispersion of sub-pixel, and M is the brightness value of sub-pixel, the sampling area be the i-th row to i-th+
Kth in 2 row sub-pixels arranges the sub-pixel arranged to l；
I and J is positive integer, i ∈ { 1,2,3 ..., I-2 }, j ∈ { 1,2,3 ..., J }, k ∈ [1, J], l ∈ [1, J], and k≤
j、l≥j。
3. picture display process according to claim 2, which is characterized in that the lower bound of the columns of the sampling area is k
=j.
4. picture display process according to claim 2, which is characterized in that the upper bound of the columns of the sampling area is l
∈ [k+35, k+53].
5. picture display process according to claim 4, which is characterized in that the upper bound of the columns of the sampling area is l
=k+44.
6. according to any picture display process of claim 2-5, which is characterized in that the target of the first sub-pixel of setting is bright
Angle value T is calculated described in obtaining according to the size relation of the brightness value M before the target brightness value T of first sub-pixel and adjustment
The brightness value N adjusted of first sub-pixel:
As T >=M, (II) calculates the brightness value N adjusted for obtaining first sub-pixel, the formula according to the following formula
(II) are as follows: N=M+ γ * (T-M)；
As T < M, (III) calculates the brightness value N adjusted for obtaining first sub-pixel, the formula according to the following formula
(III) are as follows: N=M- γ * (M-T)；
Wherein, γ is preset regulation coefficient.
7. picture display process according to claim 6, which is characterized in that (IV) is calculated described in acquisition according to the following formula
The target brightness value T of first sub-pixel, the public affairs formula (IV) are as follows:
T=(MI, j+MI+1, j)/2。
8. picture display process according to claim 6, which is characterized in that the preset regulation coefficient be γ ∈ (0,
1]。
9. a kind of computer storage medium, which is characterized in that be stored with picture on the computer readable storage medium and show journey
Sequence, the picture displaying program are realized for being executed by processor as picture of any of claims 1-8 is shown
Method.
10. a kind of display device, which is characterized in that including memory, processor and be stored on the memory and can be in institute
The picture displaying program run on processor is stated, the picture displaying program is used to be executed by the processor to realize such as right
It is required that picture display process described in any one of 1-8.
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| CN109144200B (en) | 2021-06-04 |
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