CN108694906A - A kind of luminance regulating method and computer-readable medium of display panel - Google Patents
A kind of luminance regulating method and computer-readable medium of display panel Download PDFInfo
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- CN108694906A CN108694906A CN201810863538.3A CN201810863538A CN108694906A CN 108694906 A CN108694906 A CN 108694906A CN 201810863538 A CN201810863538 A CN 201810863538A CN 108694906 A CN108694906 A CN 108694906A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
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Abstract
The invention discloses a kind of luminance regulating method of display panel and computer-readable mediums, when the intrinsic brilliance value for determining display panel is unsatisfactory for brightness homogeneity requirement, the difference being worth according to the corresponding target gray scale value of target brightness value and intrinsic brilliance between corresponding actual gray value, compensation target gray scale is worth to compensation, it is determining setting range of the compensation not up to target brightness value later, is compensating target brightness value again according to above-mentioned steps until the setting range that newest compensation reaches between target brightness value.By above-mentioned luminance compensation process, the homogeneity of display panel can be fast and accurately adjusted.
Description
Technical field
The present invention relates to the luminance regulating methods of display technology field more particularly to a kind of display panel and computer-readable
Medium.
Background technology
Currently, the display brightness homogeneity to panel display board has certain requirement, such as as self-luminous
The brightness of the electroluminescence display panel of device, each region is influenced and is controlled backboard homogeneity by luminous (EL) material
Double influence, this shows that the requirement of homogeneity is relatively high to brightness, and in actual production process, OLED shows that homogeneity tends not to
All reach preset value.
Invention content
In view of this, an embodiment of the present invention provides a kind of luminance regulating method of display panel and computer-readable Jie
Matter, to adjust the brightness homogeneity of display panel.
Therefore, an embodiment of the present invention provides a kind of luminance regulating methods of display panel, including:
According to the gamma curve of setting, target brightness value and corresponding target ash are determined in the gamma value range of selection
Rank value;
The display panel is driven using the target gray scale value, obtains the intrinsic brilliance of each pixel in the display panel
Value;
Determine whether the intrinsic brilliance value reaches the brightness homogeneity requirement of setting;
When determining that the intrinsic brilliance value is not up to the brightness homogeneity requirement set, according to the target brightness value pair
The target gray scale value and the intrinsic brilliance answered are worth the difference between corresponding actual gray value, and compensating the target gray scale is worth
To compensation;
Determine whether the compensation reaches the setting range with the target brightness value;
It is bright using the compensation when determining that the compensation is not up to the setting range with the target brightness value
The corresponding compensation grayscale value of angle value drives the display panel, obtains newest intrinsic brilliance value;According to the target gray scale value
And newest intrinsic brilliance is worth the difference between corresponding actual gray value, compensates the target gray scale and is worth to newest compensation
Brightness value, until the setting range that newest compensation reaches between the target brightness value.
In one possible implementation, in above-mentioned luminance regulating method provided in an embodiment of the present invention, further include:
When determining that newest compensation reaches the setting range with the target brightness value, using newest compensation
The corresponding compensation grayscale value of brightness value is shown.
In one possible implementation, in above-mentioned luminance regulating method provided in an embodiment of the present invention, further include:
When determining that the intrinsic brilliance value reaches the brightness homogeneity requirement of setting, corresponded to using the intrinsic brilliance value
Actual gray value shown.
In one possible implementation, described true in above-mentioned luminance regulating method provided in an embodiment of the present invention
Whether the fixed intrinsic brilliance value reaches the brightness homogeneity requirement of setting, specifically includes:
The display panel is divided into multiple regions;
Determine whether maximum brightness value and minimum luminance value meet in the intrinsic brilliance value of each pixel in each region
Following formula:
|Lmax-Lmin|≤Lmax* A%, wherein LmaxIndicate the maximum brightness value, LminIndicate the minimum luminance value, A
To set specification;
If so, determining that the intrinsic brilliance value in the region reaches the brightness homogeneity requirement of setting;
If not, it is determined that the intrinsic brilliance value in the region is not up to the brightness homogeneity requirement set.
In one possible implementation, described true in above-mentioned luminance regulating method provided in an embodiment of the present invention
Whether the fixed intrinsic brilliance value reaches the brightness homogeneity requirement of setting, specifically includes:
Whether the intrinsic brilliance value and the target brightness value for determining each pixel meet following formula:
|Li-Lgoal|≤Lgoal* A%, wherein LiIndicate the intrinsic brilliance value, LgoalIndicate the target brightness value, A
To set specification;
If so, determining that the intrinsic brilliance value of the pixel reaches the brightness homogeneity requirement of setting;
If not, it is determined that the intrinsic brilliance value of the pixel is not up to the brightness homogeneity requirement set.
In one possible implementation, in above-mentioned luminance regulating method provided in an embodiment of the present invention, described
It is worth the difference between corresponding actual gray value according to the corresponding target gray scale value of the target brightness value and the intrinsic brilliance, mends
It repays the target gray scale and is worth to compensation, specifically include:
According to the gamma curve of setting, the corresponding actual gray value of the intrinsic brilliance value is determined;
Determine the difference between the actual gray value and the target gray scale value;
The target gray scale value is compensated according to the difference determined, obtains the compensation.
In one possible implementation, described true in above-mentioned luminance regulating method provided in an embodiment of the present invention
Fixed difference between the actual gray value and the target gray scale value specifically includes:
Difference between the actual gray value and the target gray scale value is determined using following formula:
Wherein, LiIndicate the intrinsic brilliance value, LgoalIndicate the target brightness value, L255Indicate maximum brightness value, Δ
GrayiIndicate that the difference between the actual gray value and the target gray scale value, Г indicate setting value.
In one possible implementation, in above-mentioned luminance regulating method provided in an embodiment of the present invention, described
The target gray scale value is compensated according to the difference determined, the compensation is obtained, specifically includes:
The compensation is determined using following formula:
Wherein, Li+1Indicate the compensation, L255Indicate maximum brightness value, GraygoalIndicate the object brightness
Value, Δ GrayiIndicate that the difference between the actual gray value and the target gray scale value, Г indicate setting value.
In one possible implementation, described true in above-mentioned luminance regulating method provided in an embodiment of the present invention
Whether the fixed compensation reaches the setting range with the target brightness value, specifically includes:
Determine whether meet following formula between the compensation and the target brightness value:
|Li+1-Lgoal|≤Lgoal* A%, wherein Li+1Indicate the compensation, LgoalIndicate the object brightness
Value, A are setting specification;
If so, determining that the compensation reaches the setting range with the target brightness value;
If it is not, determining that the compensation is not up to the setting range with the target brightness value.
On the other hand, the embodiment of the present invention additionally provides a kind of computer-readable medium, including program code, when the journey
When sequence code is run on the computing device, said program code is provided in an embodiment of the present invention for making the computing device execute
The step of luminance regulating method of above-mentioned display panel.
The advantageous effect of the embodiment of the present invention includes:
The luminance regulating method and computer-readable medium of a kind of display panel provided in an embodiment of the present invention, it is aobvious determining
When showing that the intrinsic brilliance value of panel is unsatisfactory for brightness homogeneity requirement, according to the corresponding target gray scale value of target brightness value and reality
Difference between the corresponding actual gray value of brightness value, compensation target gray scale are worth to compensation, are determining compensation later
Brightness value is not up to the setting range with target brightness value, compensates target brightness value again according to above-mentioned steps until newest benefit
Until repaying the setting range that brightness value reaches between target brightness value.It, can be quick and precisely by above-mentioned luminance compensation process
Adjustment display panel homogeneity.
Description of the drawings
Fig. 1 is the overall procedure schematic diagram of luminance regulating method provided in an embodiment of the present invention;
Fig. 2 is the idiographic flow schematic diagram of luminance regulating method provided in an embodiment of the present invention;
Fig. 3 is brightness provided in an embodiment of the present invention and grayscale correspondence schematic diagram.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
The luminance regulating method of a kind of display panel provided in an embodiment of the present invention, as shown in Figure 1, including:
S101, the gamma curve according to setting determine target brightness value and corresponding in the gamma value range of selection
Target gray scale value;
S102, display panel is driven using target gray scale value, obtains the intrinsic brilliance value of each pixel in display panel;
S103, determine whether intrinsic brilliance value reaches the brightness homogeneity requirement of setting;Determining that intrinsic brilliance value do not reach
When being required to the brightness homogeneity of setting, step S104 is executed;
S104, it is worth between corresponding actual gray value according to the corresponding target gray scale value of target brightness value and intrinsic brilliance
Difference, compensation target gray scale are worth to compensation;
S105, determine whether compensation reaches the setting range with target brightness value;Determining compensation not
When reaching the setting range with target brightness value, step S106 is executed;
S106, display panel is driven using the corresponding compensation grayscale value of compensation, obtains newest intrinsic brilliance value;
Repeat step S104 to S105 later, until step S105 determine newest compensation reach with target brightness value it
Between setting range until.
Specifically, in the luminance regulating method of above-mentioned display panel provided in an embodiment of the present invention, display surface is being determined
When the intrinsic brilliance value of plate is unsatisfactory for brightness homogeneity requirement, according to the corresponding target gray scale value of target brightness value and intrinsic brilliance
The difference being worth between corresponding actual gray value, compensation target gray scale are worth to compensation, are determining compensation brightness later
Setting range of the value not up to target brightness value compensates target brightness value according to above-mentioned steps until newest compensation is bright again
Until angle value reaches the setting range between target brightness value.By above-mentioned luminance compensation process, can fast and accurately adjust
The homogeneity of whole display panel.
Specifically, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S101 specifically can root
According to gamma (Gamma) curve that Display panel is set, the object brightness of each greyscale pixel under 0-255 grayscale is set.Later, generally
Target brightness value and corresponding target gray scale value are chosen between 2.0-2.4 in gamma value range.It specifically can be according to following
Formula determines target brightness value and corresponding target gray scale value:
Wherein, GraygoalIndicate target gray scale value, LgoalIndicate target brightness value, L255It indicates maximum brightness value, is advance
The fixed value of setting, Г indicate setting value.
Specifically, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S102 can specifically be adopted
The intrinsic brilliance value of each pixel in display panel is obtained with luminance meter.Also, when using target gray scale value driving display panel, when
When display panel is organic EL display panel, the mode that control size of current specifically may be used adjusts display panel
Display brightness;When display panel is liquid crystal display panel, the mode that control voltage swing specifically may be used adjusts display surface
The display brightness of plate.
Specifically, it in above-mentioned luminance regulating method provided in an embodiment of the present invention, is determined in above-mentioned steps S103 practical
Whether brightness value reaches the brightness homogeneity requirement of setting, if it is not, then illustrating that the display brightness of display panel needs to adjust, that is, holds
Row subsequent step S104 to S106;If so, illustrating the display brightness of display panel without adjustment.Based on this, optionally, at this
In the above-mentioned luminance regulating method that inventive embodiments provide, as shown in Figure 1, determining whether intrinsic brilliance value reaches in step S103
When the brightness homogeneity of setting requires, can also include:When determining that intrinsic brilliance value reaches the brightness homogeneity requirement of setting,
Execute step S107;
S107, it is shown using the corresponding actual gray value of intrinsic brilliance value.
Optionally, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S103 determines practical bright
Whether angle value reaches there are many modes of the brightness homogeneity requirement of setting, such as the judgement of homogeneity can be carried out with subregion,
To improve arithmetic speed, it is based on this, above-mentioned steps S103 can be specifically included:
First, display panel is divided into multiple regions;Specifically, display panel can be divided into M*N region, example
4*4 region can be such as divided into;Region division is more, and it is more accurate that homogeneity judges, calculation amount is bigger;
Later, determine whether maximum brightness value and minimum luminance value meet in the intrinsic brilliance value of each pixel in each region
Following formula:
|Lmax-Lmin|≤Lmax* A%, wherein LmaxIndicate maximum brightness value, LminIndicate that minimum luminance value, A are that setting is advised
Lattice;A can generally select the numerical value 95 or so;
If so, determining that the intrinsic brilliance value in region reaches the brightness homogeneity requirement of setting;
If not, it is determined that the intrinsic brilliance value in region is not up to the brightness homogeneity requirement set.
Both specifically, judged by the above-mentioned maximum brightness value in each region and minimum luminance value, determine
Between difference whether meet setting range, it can be determined that whether the brightness homogeneity for going out each region meets the requirements, if some area
Domain meets, then is not necessarily to carry out subsequent step to the region, to reduce calculation amount, if some region is unsatisfactory for, and the areas Jin Xuduigai
Domain carries out the step of subsequent luminance adjustment.The region that brightness disproportionation occurs in general display panel only accounts for very small part, therefore, real
Border can only be adjusted the brightness of the pixel in very small part region the requirement that can reach overall brightness homogeneity,
Calculation amount is smaller, can reach the requirement for quick and precisely promoting display panel homogeneity.
Alternatively, optionally, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S103 determines real
The brightness homogeneity whether border brightness value reaches setting requires that the brightness of each pixel can also be carried out one by one the judgement of homogeneity,
To improve judgment accuracy, it is based on this, above-mentioned steps S103 can be can specifically include:
Whether the intrinsic brilliance value and target brightness value for determining each pixel meet following formula:
|Li-Lgoal|≤Lgoal* A%, wherein LiIndicate intrinsic brilliance value, LgoalIndicate that target brightness value, A are that setting is advised
Lattice;A can generally select the numerical value 95 or so;
If so, determining that the intrinsic brilliance value of pixel reaches the brightness homogeneity requirement of setting;
If not, it is determined that the intrinsic brilliance value of pixel is not up to the brightness homogeneity requirement set.
Specifically, the intrinsic brilliance value of each pixel and the target brightness value of setting are judged by above-mentioned, is determined
Whether difference between the two meets setting range, it can be determined that and whether the brightness homogeneity for going out each pixel meets the requirements, if certain
A pixel meets, then is not necessarily to carry out subsequent step to the pixel, to reduce calculation amount, if some pixel is unsatisfactory for, only needs pair
The pixel carries out the step of subsequent luminance adjustment.The pixel that brightness disproportionation occurs in general display panel only accounts for very small part, because
This, actually can only be adjusted the brightness of very small part pixel the requirement that can reach overall brightness homogeneity, meter
Calculation amount is smaller, can reach the requirement for quick and precisely promoting display panel homogeneity.
Optionally, in above-mentioned luminance regulating method provided in an embodiment of the present invention, determining that intrinsic brilliance value is not up to
When the brightness homogeneity of setting requires, above-mentioned steps S104 is according to the corresponding target gray scale value of target brightness value and intrinsic brilliance value
Difference between corresponding actual gray value, compensation target gray scale is worth to compensation, as shown in Fig. 2, can specifically wrap
It includes:
S1041, the gamma curve according to setting determine the corresponding actual gray value of intrinsic brilliance value;
S1042, difference between actual gray value and target gray scale value is determined;
S1043, target gray scale value is compensated according to the difference determined, is compensated brightness value.
Specifically, since actual gamma curve is unknown, when above-mentioned steps S1041 calculates actual gray value, only
It can be calculated according to the gamma curve of setting, the corresponding actual gray value of intrinsic brilliance value can be specifically determined according to following formula:
Wherein, GrayiIndicate actual gray value, LiIndicate intrinsic brilliance value, L255Maximum brightness value is indicated, to preset
Fixed value, Г indicate setting value.
Optionally, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S1042 determines practical ash
Difference between rank value and target gray scale value can be determined specifically using following formula between actual gray value and target gray scale value
Difference:
Wherein, LiIndicate intrinsic brilliance value, LgoalIndicate target brightness value, L255Indicate maximum brightness value, Δ GrayiIt indicates
Difference between actual gray value and target gray scale value, when actual gray value is more than target gray scale value, difference is positive value, works as reality
When border grayscale value is less than target gray scale value, difference is negative value.
Optionally, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S1043 is according to determining
Difference compensate target gray scale value, be compensated brightness value, following formula specifically may be used and determine compensation:
Wherein, Li+1Indicate compensation, L255Indicate maximum brightness value, GraygoalIndicate target brightness value, Δ Grayi
Indicate the difference between actual gray value and target gray scale value.
Optionally, in above-mentioned luminance regulating method provided in an embodiment of the present invention, above-mentioned steps S105 determines that compensation is bright
Whether angle value reaches the setting range with target brightness value, can specifically determine between compensation and target brightness value whether
Meet following formula:
|Li+1-Lgoal|≤Lgoal* A%, wherein Li+1 indicates compensation, LgoalIndicate that target brightness value, A are to set
Set pattern lattice, A can generally select the numerical value 95 or so;
If so, determining that compensation reaches the setting range with target brightness value;
If it is not, determining that compensation is not up to the setting range with target brightness value.
Specifically, bright by comparing the compensation after compensating in above-mentioned luminance regulating method provided in an embodiment of the present invention
Whether angle value meets 95% regulation with target brightness value, if it is satisfied, then it is equal to illustrate that the brightness value after compensation can reach brightness
The requirement of one property;If conditions are not met, then being compensated again according to step before, until meeting goal-selling.
Based on this, in above-mentioned luminance regulating method provided in an embodiment of the present invention, as shown in Figure 1, in above-mentioned steps
When S105 determines whether compensation reaches the setting range with target brightness value, can also include:Determining newest benefit
When repaying brightness value and reaching the setting range with target brightness value, step S108 is executed;
S108, it is shown using the corresponding compensation grayscale value of newest compensation.
Specifically, it is more preferably to explain above-mentioned luminance regulating method provided in an embodiment of the present invention, as shown in figure 3, showing
The front and back pixel intensity situation of compensation.According to the gamma curve of setting, the target brightness value L of pixelgoalIt is corresponding for A points
Grayscale value is Graygoal, but actually measure obtained intrinsic brilliance value L according to the display of target gray scale valueiFor B points, B points are judged
It is unsatisfactory for brightness homogeneity requirement, belongs to the areas Mura, practical gamma curve is unknown, is counted according to preset gamma curve
It calculates, that is, it is calculated actual gray value Gray to calculate the corresponding grayscale value of C points in preset gamma curvei, then C points
Grayscale value difference corresponding with A points is △ Grayi, B points are compensated, i.e., in GraygoalOn the basis of, increase △ Grayi,
Determine that according to the compensation that practical gamma curve exports be Li+1, Ru Guo |Li+1-Lgoal|≤Lgoal* 95%, then terminate
Compensation, if conditions are not met, then continuing to compensate according to the method described above, until meeting the formula.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of computer-readable medium, including program code,
When program code is run on the computing device, the step for the management-control method that program code is used to that computing device to be made to execute above-mentioned empty calorie
Suddenly.Since the principle that the computer-readable medium solves the problems, such as is similar to a kind of aforementioned management-control method of empty calorie, the calculating
The implementation of machine readable medium may refer to the implementation of the luminance regulating method of above-mentioned display panel, and overlaps will not be repeated.
The arbitrary combination of one or more readable mediums may be used in program product.Readable medium can be that readable signal is situated between
Matter or readable storage medium storing program for executing.Readable storage medium storing program for executing for example may be-but not limited to-electricity, magnetic, optical, electromagnetic, infrared
The system of line or semiconductor, device or device, or the arbitrary above combination.The more specific example of readable storage medium storing program for executing is (non-
Exhaustive list) include:Electrical connection, portable disc, hard disk, random access memory (RAM) with one or more conducting wires,
Read-only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, the read-only storage of portable compact disc
Device (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.
According to the embodiment of the present invention for showing product, portable compact disc read only memory may be used
(CD-ROM) and include program code, and can be run on server apparatus.However, the program product of the present invention is not limited to
This, in this document, readable storage medium storing program for executing can be any include or storage program tangible medium, which can be by information
The either device use or in connection of transmission, device.
Readable signal medium may include in a base band or as the data-signal that a carrier wave part is propagated, wherein carrying
Readable program code.Diversified forms may be used in the data-signal of this propagation, including --- but being not limited to --- electromagnetism letter
Number, optical signal or above-mentioned any appropriate combination.Readable signal medium can also be other than readable storage medium storing program for executing it is any can
Medium is read, which can send, propagate either transmission for being used by periodic network moving system, device or device
Or program in connection.
The program code for including on readable medium can transmit with any suitable medium, including --- but being not limited to ---
Wirelessly, wired, optical cable, RF etc. or above-mentioned any appropriate combination.
It can be write with any combination of one or more programming languages for executing the program that operates of the present invention
Code, programming language include object oriented program language-Java, C++ etc., further include conventional process
Formula programming language-such as " C " language or similar programming language.Program code can be calculated fully in user
It executes in equipment, partly execute on a user device, being executed, partly in user calculating equipment as an independent software package
Upper part executes or is executed in remote computing device or server completely on a remote computing.It is being related to remotely counting
In the situation for calculating equipment, remote computing device can pass through the network of any kind --- including LAN (LAN) or wide area network
(WAN)-it is connected to user calculating equipment, or, it may be connected to external computing device.
Through the above description of the embodiments, those skilled in the art can be understood that the embodiment of the present invention
The mode of necessary general hardware platform can also be added to realize by software by hardware realization.Based on such reason
Solution, the technical solution of the embodiment of the present invention can be expressed in the form of software products, which can be stored in one
In a non-volatile memory medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are used so that a meter
Calculate the side described in each embodiment of machine equipment (can be personal computer, server or the network equipment etc.) the execution present invention
Method.
It will be appreciated by those skilled in the art that attached drawing is the schematic diagram of a preferred embodiment, the module in attached drawing or stream
Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in embodiment can describe be divided according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be located in one or more devices different from the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of luminance regulating method of display panel, which is characterized in that including:
According to the gamma curve of setting, target brightness value and corresponding target gray scale are determined in the gamma value range of selection
Value;
The display panel is driven using the target gray scale value, obtains the intrinsic brilliance value of each pixel in the display panel;
Determine whether the intrinsic brilliance value reaches the brightness homogeneity requirement of setting;
It is corresponding according to the target brightness value when determining that the intrinsic brilliance value is not up to the brightness homogeneity requirement set
Target gray scale value and the intrinsic brilliance are worth the difference between corresponding actual gray value, compensate the target gray scale and are worth to benefit
Repay brightness value;
Determine whether the compensation reaches the setting range with the target brightness value;
When determining that the compensation is not up to the setting range with the target brightness value, using the compensation
Corresponding compensation grayscale value drives the display panel, obtains newest intrinsic brilliance value;According to the target gray scale value and most
New intrinsic brilliance is worth the difference between corresponding actual gray value, compensates the target gray scale and is worth to newest compensation brightness
Value, until the setting range that newest compensation reaches between the target brightness value.
2. luminance regulating method as described in claim 1, which is characterized in that further include:
When determining that newest compensation reaches the setting range with the target brightness value, using newest compensation brightness
It is worth corresponding compensation grayscale value to be shown.
3. luminance regulating method as described in claim 1, which is characterized in that further include:
When determining that the intrinsic brilliance value reaches the brightness homogeneity requirement of setting, corresponding reality is worth using the intrinsic brilliance
Border grayscale value is shown.
4. luminance regulating method as described in claim 1, which is characterized in that whether the determination intrinsic brilliance value reaches
The brightness homogeneity requirement of setting, specifically includes:
The display panel is divided into multiple regions;
Determine in each region whether maximum brightness value and minimum luminance value meet as follows in the intrinsic brilliance value of each pixel
Formula:
|Lmax-Lmin|≤Lmax* A%, wherein LmaxIndicate the maximum brightness value, LminIndicate that the minimum luminance value, A are to set
Set pattern lattice;
If so, determining that the intrinsic brilliance value in the region reaches the brightness homogeneity requirement of setting;
If not, it is determined that the intrinsic brilliance value in the region is not up to the brightness homogeneity requirement set.
5. luminance regulating method as described in claim 1, which is characterized in that whether the determination intrinsic brilliance value reaches
The brightness homogeneity requirement of setting, specifically includes:
Whether the intrinsic brilliance value and the target brightness value for determining each pixel meet following formula:
|Li-Lgoal|≤Lgoal* A%, wherein LiIndicate the intrinsic brilliance value, LgoalIndicate that the target brightness value, A are to set
Set pattern lattice;
If so, determining that the intrinsic brilliance value of the pixel reaches the brightness homogeneity requirement of setting;
If not, it is determined that the intrinsic brilliance value of the pixel is not up to the brightness homogeneity requirement set.
6. luminance regulating method as described in claim 1, which is characterized in that described according to the corresponding mesh of the target brightness value
Mark grayscale value and the intrinsic brilliance are worth the difference between corresponding actual gray value, compensate the target gray scale and are worth to compensation
Brightness value specifically includes:
According to the gamma curve of setting, the corresponding actual gray value of the intrinsic brilliance value is determined;
Determine the difference between the actual gray value and the target gray scale value;
The target gray scale value is compensated according to the difference determined, obtains the compensation.
7. luminance regulating method as claimed in claim 6, which is characterized in that the determination actual gray value and the mesh
The difference between grayscale value is marked, is specifically included:
Difference between the actual gray value and the target gray scale value is determined using following formula:
Wherein, LiIndicate the intrinsic brilliance value, LgoalIndicate the target brightness value, L255Indicate maximum brightness value, Δ Grayi
Indicate that the difference between the actual gray value and the target gray scale value, Г indicate setting value.
8. luminance regulating method as claimed in claim 7, which is characterized in that the difference that the basis is determined compensates institute
Target gray scale value is stated, the compensation is obtained, specifically includes:
The compensation is determined using following formula:
Wherein, Li+1Indicate the compensation, L255Indicate maximum brightness value, GraygoalIndicate the target brightness value, Δ
GrayiIndicate that the difference between the actual gray value and the target gray scale value, Г indicate setting value.
9. such as claim 1-8 any one of them luminance regulating methods, which is characterized in that the determination compensation
Whether reach the setting range with the target brightness value, specifically includes:
Determine whether meet following formula between the compensation and the target brightness value:
|Li+1-Lgoal|≤Lgoal* A%, wherein Li+1Indicate the compensation, LgoalIndicate that the target brightness value, A are
Set specification;
If so, determining that the compensation reaches the setting range with the target brightness value;
If it is not, determining that the compensation is not up to the setting range with the target brightness value.
10. a kind of computer-readable medium, which is characterized in that including program code, when said program code on the computing device
When operation, said program code is used to make the brightness of any one of the computing device perform claim requirement 1-9 display panels
The step of method of adjustment.
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