CN107180616A - A kind of method for eliminating display device Mura, elimination display device Mura devices and display device - Google Patents
A kind of method for eliminating display device Mura, elimination display device Mura devices and display device Download PDFInfo
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- CN107180616A CN107180616A CN201610140195.9A CN201610140195A CN107180616A CN 107180616 A CN107180616 A CN 107180616A CN 201610140195 A CN201610140195 A CN 201610140195A CN 107180616 A CN107180616 A CN 107180616A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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Abstract
Embodiments of the invention provide a kind of method for eliminating display device Mura, eliminate display device Mura devices and display device, it is related to electronic technology field, equilibrium treatment can be carried out between De-Mura effects and luminance loss's degree according to environmental light intensity, lift the display effect of display device.This method, including：The corresponding environmental light intensity of target display unit is obtained, and obtains the first penalty coefficient；According to the corresponding environmental light intensity of target display unit and the first penalty coefficient, the second penalty coefficient is obtained；Target display unit is handled according to the second penalty coefficient.Embodiments of the invention are used to eliminate display device Mura.
Description
Technical field
Embodiments of the invention are related to electronic technology field, more particularly to a kind of elimination display device Mura
Method, elimination display device Mura devices and the display device of (moire).
Background technology
The brightness uniformity degree of liquid crystal display when in use is to weigh liquid crystal display display effect
One of important indicator of fruit, liquid crystal display causes appearance various because of brightness irregularities when in use
Patch is polluted, user's usage comfort can be caused to decline.The brightness when in use of this liquid crystal display
Skewness, influences the phenomenon of image quality effect, is referred to as Mura.Mura refers to that display works
When, the visible display in picture element matrix surface is imperfect.Mura defects are generally higher than a pixel cell,
The shape do not fixed, edge blurry, contrast is relatively low.
In the prior art, the producing cause of Mura defects be primarily due to liquid crystal display circuit or
Defect or material property on construction it is uneven, and processing conditions the compound result such as variation.
Because the manufacturing process of liquid crystal display is extremely complex, there is each in procedures up to a hundred, above-mentioned operation
If individual link processing is not proper, the generation of Mura defects is likely to cause.Therefore in order to eliminate Mura
Influence to liquid crystal display, generally by being modulated to the liquid crystal display that there is Mura
To carry out De-Mura (moire elimination), for example：Mura information to liquid crystal display is carried out
Analysis, obtains the information such as position and the Mura degree in Mura regions, then to being input to liquid crystal
Show that the display content in equipment different zones is modulated accordingly, suppress with eliminating what is wherein included
Mura information, to improve the uniformity of display content picture.
But existing De-Mura methods to display device Mura regions during being modulated,
When reaching that the Mura regions of the span upper limit are handled to grey decision-making, generally by suppressing brightness
Mode handled, will so cause the decline of display device each gray-scale intensity on the whole, make
Into the loss of display device display content overall brightness, the display effect of display device is reduced.
The content of the invention
Embodiments of the invention provide a kind of method for eliminating display device Mura, eliminate display device
Mura devices and display device, can be according to environmental light intensity, in De-Mura effects and luminance loss
Equilibrium treatment is carried out between degree, the display effect of display device is lifted.
In a first aspect, the embodiments of the invention provide a kind of method for eliminating display device Mura, should
For display screen, wherein display screen includes the display unit by matrix distribution, wherein each display
Unit includes at least one pixel cell, including：
Obtain the corresponding environmental light intensity of target display unit and obtain the first penalty coefficient, the first compensation system
Number is to combine De-Mura look-up tables, display unit mark, the brightness degree of display unit to obtain,
DE-Mura look-up tables comprise at least each display unit under different brightness degrees with penalty coefficient
Corresponding relation；
According to the corresponding environmental light intensity of target display unit and the first penalty coefficient, the second compensation system is obtained
Number；
Target display unit is handled according to the second penalty coefficient.
Second aspect, display device Mura devices, application are eliminated the embodiments of the invention provide one kind
In display screen, wherein display screen includes the display unit by matrix distribution, wherein each display is single
Member includes at least one pixel cell, it is characterised in that including：
Detection unit, for obtaining the corresponding environmental light intensity of target display unit；
Processing unit, for obtaining the first penalty coefficient, the first penalty coefficient is looked into reference to De-Mura
Table, display unit mark, the brightness degree of display unit is looked for obtain, DE-Mura look-up tables are at least
Include the corresponding relation each display unit under different brightness degrees with penalty coefficient；
Processing unit is additionally operable to be compensated according to the corresponding environmental light intensity of the target display unit and first
Coefficient, obtains the second penalty coefficient；
Compensating unit, for being handled according to the second penalty coefficient target display unit.
The third aspect, the embodiments of the invention provide a kind of display device, including display screen, and
Elimination display device Mura devices described by second aspect.
The method for the elimination display device Mura that embodiments of the invention are provided, elimination display device
Mura devices and display device, applied to display screen, wherein display screen includes pressing matrix distribution
Display unit, each display unit includes at least one pixel cell, eliminates display device Mura
Device can obtain the corresponding environmental light intensity of target display unit；And the first penalty coefficient is obtained, its
In the first penalty coefficient be with reference to De-Mura look-up tables, display unit mark, the brightness of display unit
Grade is obtained, and DE-Mura look-up tables comprise at least display unit mark pass corresponding with penalty coefficient
System；Then according to the corresponding environmental light intensity of target display unit and first penalty coefficient, is obtained
Two penalty coefficients；Display device Mura devices are finally eliminated to show target according to the second penalty coefficient
Unit is handled, and target display unit progress processing is referred to according to new here according to the second penalty coefficient
Second penalty coefficient of generation is modulated or compensated to the image that display unit is shown, above method knot
Close and environmental light intensity corresponding to Mura display unit occur, to occurring the of Mura display unit
One penalty coefficient is handled, and obtains the second penalty coefficient, is made according to the second penalty coefficient to occurring
Mura display unit carry out De-Mura processing when, therefore the application provide scheme in,
It is further to have taken into account that environmental light intensity is produced to display unit carrying out De-Mura processing
The influence of Mura defects, so that according to the degree of strength of ambient light, De-Mura treatment effects are adjusted,
The image quality and display effect for making display screen are lifted.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will
The required accompanying drawing used in embodiment or description of the prior art is briefly described, it is clear that
Ground, drawings in the following description are only some embodiments of the present invention, for the common skill in this area
For art personnel, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Other accompanying drawings.
A kind of flow of the method for elimination display device Mura that Fig. 1 provides for embodiments of the invention
Schematic diagram；
A kind of method for elimination display device Mura that Fig. 2 provides for another embodiment of the present invention
Schematic flow sheet；
A kind of method for elimination display device Mura that Fig. 3 provides for another embodiment of the present invention
Schematic flow sheet；
A kind of elimination display device Mura devices that Fig. 4 provides for embodiments of the invention it is schematic
Structure chart；
A kind of elimination display device Mura devices that Fig. 5 provides for another embodiment of the present invention show
Meaning property structure chart.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiment is only that a part of the invention is real
Apply example, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
Generally, liquid crystal display exists because of Mura (clouds caused by brightness irregularities when in use
Line) defect phenomenon, therefore display device is by existing during the progress content display of the screen of Mura defects,
The information that beholder receives includes original contents and two parts of Mura information, due to Mura letters
Breath influences whether the viewing experience of viewing recipient, therefore generally by De-Mura methods to Mura
Defect is suppressed.The target of De-Mura methods is exactly by entering to the Mura information in screen
Row analysis, obtains De-Mura penalty coefficients, i.e. De-Mura processing is adjusted to display content,
The Mura information wherein included is suppressed and eliminated, so that the viewing effect of display content
Improved.Exemplary, the method for De-Mura processing is by standard white field grayscale signal pair
Display content in screen is calibrated, and obtaining screen should relative to screen under standard white field GTG
Display content brightness bright position partially, and combine De-Mura penalty coefficients, to should relative to screen
Display content brightness bright position partially carries out brightness compacting, to it should be shown relative to screen in screen in
Hold brightness dark position partially and carry out luminance raising, be close to screen and answer display content brightness, pass through
Processing makes Mura defect of the screen under each GTG be inhibited above.Wherein, under each GTG
De-Mura penalty coefficients are generally stored in De-Mura look-up tables.
De-Mura look-up tables carry out processing life by the way of automation is used in dark room conditions
Into.Specifically, by making screen display standard white field grayscale signal, then control luminance meter equipment pair
The standard white field grayscale signal that screen is currently shown is shot；Shoot in obtained information and generally wrap
Containing background information, it is necessary to which extraction is identified to the viewing area of screen；Recognize that extraction can basis
The difference of screen area display brightness value under different GTGs, by the viewing area of screen and background
Region is distinguished, so as to be identified and extract.According to the screen area extracted, it can obtain
To screen Mura under present intensity distribution situation, by computing, obtain carrying under present intensity
In the screen area got, there is the coefficient that Mura positions should be compensated, so as to obtain at least
Include the corresponding relation each display unit under different brightness degrees with DE-Mura penalty coefficients
De-Mura penalty coefficient look-up tables.
The Mura eliminated based on above-mentioned De-Mura compensation ways principle, shown in reference picture 1,
Embodiments of the invention provide a kind of method for eliminating display device Mura, applied to display screen,
Wherein described display screen includes the display unit by matrix distribution, wherein each display unit is comprising extremely
A few pixel cell；Specifically include following steps：
101st, obtain the corresponding environmental light intensity of target display unit and obtain the first penalty coefficient, wherein,
First penalty coefficient is to combine De-Mura look-up tables, display unit mark, brightness of display unit etc.
Level obtain, DE-Mura look-up tables comprise at least each display unit under different brightness degrees with
The corresponding relation of penalty coefficient.
Wherein, target display unit is any display unit in display screen, or Mura occur
Display unit, while can also be to whole screen display unit carry out comprehensive statistics situation.
Environmental light intensity is the measurement to the ambient light degree of strength of display screen local environment, environmental light intensity
It can be measured by ambient light sensor varying environment according to where display screen, can also be by storing ring
The storage facilities of border light intensity is by outside input；Environmental light intensity can be one or more discrete values, or
The scope of one or more serial numbers or with light source parameters, display screen position, display
Form or matrix in screen corresponding to one or more parameters such as position of display unit.
The corresponding environmental light intensity of target display unit be according to target display unit within display screen
Obtained by position, the environmental light intensity with reference to display screen local environment, target display unit is corresponding
Environmental light intensity represents the ambient light degree of strength of target display unit present position.Target display unit exists
Position in display screen can be the absolute coordinate of target display unit, or target display is single
Member is relative to display screen entirety or certain a part of relative coordinate.
Target display unit brightness degree is the measurement to the brightness of target display unit or luminance level, can
Represented with the brightness value by target display unit, or can also be by the ash of target display unit
Rank, target display unit color component (it is exemplary as：RGB (red (Red), green (Green),
Blue (Blue)) component), the driving voltage of target display unit etc. represent, as long as it can be used in directly
Connect or indirectly weigh the brightness of target display unit or luminance level, will not be described here.
DE-Mura look-up tables comprise at least each display unit under different brightness degrees with compensation
The corresponding relation of coefficient, wherein target display unit mark be to target display unit within display screen
The mark that present position is carried out, the different display unit for identifying.Identified according to target display unit
Target display unit is searched in De-Mura look-up tables with target display unit brightness degree corresponding
Penalty coefficient, obtains penalty coefficient of the target display unit under corresponding bright grade, i.e., the first compensation
Coefficient.
Display unit in De-Mura look-up tables can be whole display units of display screen, also may be used
Think a part of display unit for the display screen chosen with sample mode.
Exemplary, so that display unit size is 1 pixel cell as an example, in rgb color standard
In pixel cell include tri- pixels of RGB, determined according to the value condition of RGB component aobvious
Show the brightness degree of unit, X1Value represent pixel cell along along the horizontal edge direction of display screen
Position, Y1Value represent object pixel with the position in display screen horizontal sides vertical direction, K
The value condition of object pixel RGB component is represented, Adj represents the first penalty coefficient of display unit.
With reference to De-mura look-up tables, taken according to the RGB component of the position of object pixel and object pixel
Value situation carries out the computing of object pixel De-mura penalty coefficients, as follows：
Adj=Func (X1, Y1, K)
102nd, according to the corresponding environmental light intensity of target display unit and the first penalty coefficient, second is obtained
Penalty coefficient.
It is corresponding to target display unit according to the corresponding environmental light intensity of target display unit obtained
First penalty coefficient is handled.
The processing that the first penalty coefficient corresponding to target display unit is carried out can be according to target
The size of the corresponding environmental light intensity of display unit, it is proportional to the first penalty coefficient adjustment or
It is adjusted in the first penalty coefficient plus a preset value (preset value can be negative).
103rd, target display unit is handled according to second penalty coefficient.
Wherein, the second penalty coefficient refers to can be used for compensating the display parameters of target display unit
The value of computing, the second penalty coefficient can be correction value or correction factor.Wherein display parameters refer to influence
The data of display unit displayed content, the display parameters of the target display unit can show for target
The brightness degree of unit, certain display parameters be alternatively the brightness value of target display unit, GTG,
Color component, driving voltage etc., will not be described here.
When carrying out De-Mura compensation deals, the target display unit before compensation deals can be shown
Parameter is compensated plus penalty coefficient, can also be shown the target display unit before compensation deals and be joined
Number is multiplied by the penalty coefficient and compensated.The mode of De-Mura compensation deals is carried out with reference to penalty coefficient
Can also be other types, can be to corresponding aobvious as long as combining penalty coefficient in the compensation deals mode
Show that unit carries out De-Mura compensation, do not do excessive description herein.
The method for eliminating display device Mura that embodiments of the invention are provided, applied to display screen,
Wherein display screen includes the display unit by matrix distribution, and each display unit includes at least one picture
Plain unit, the corresponding environmental light intensity of target display unit can be obtained by eliminating display device Mura devices；
And the first penalty coefficient is obtained, wherein the first penalty coefficient is with reference to De-Mura look-up tables, display
Unit marks, the brightness degree of display unit are obtained, and DE-Mura look-up tables comprise at least display unit
Mark and the corresponding relation of penalty coefficient；Then according to the corresponding environmental light intensity of target display unit and institute
The first penalty coefficient is stated, the second penalty coefficient is obtained；Finally eliminate display device Mura devices according to
Second penalty coefficient is handled target display unit, aobvious to target here according to the second penalty coefficient
Show that unit progress processing refers to enter the image that display unit is shown according to the second newly-generated penalty coefficient
Row modulation is compensated, environmental light intensity of the above method with reference to corresponding to the display unit for Mura occur,
The first penalty coefficient for Mura display unit occur is handled, the second penalty coefficient is obtained,
And carried out when carrying out De-Mura processing according to the second penalty coefficient to there is Mura display unit
De-Mura processing, therefore be into one carrying out De-Mura processing in the scheme that the application is provided
The influence for having taken into account the Mura defects that environmental light intensity is produced to display unit of step, so that according to ring
The degree of strength of border light, adjusts De-Mura treatment effects, makes the image quality and display effect of display screen
Lifting.
Shown in reference picture 2, another embodiment of the present invention provides a kind of elimination display device Mura's
Method, applied to display screen, wherein the display screen includes the display unit by matrix distribution,
Wherein each display unit includes at least one pixel cell, specifically includes following steps：
201st, matrix of display elements is generated to display screen piecemeal, matrix of display elements is sampled and obtained
Target display unit.
Wherein, can be using display screen to the piecemeal of display screen while as X-axis, being hung down with X-axis
Display screen is divided into a row being distributed along X-axis and the b rows being distributed along Y-axis by straight direction as Y-axis,
So as to which display screen is divided into the matrix of display elements that size is a × b, wherein single comprising a × b display
Member.Can also be to the piecemeal of display screen to the pixel included in display screen according to sum of all pixels with it is every
The ratio of one piece of pixel count carries out piecemeal, regard each block as a matrix of display elements.
Matrix of display elements is sampled, can be that one or more displays are chosen from matrix of display elements
Unit is used as target display unit.
Exemplary, the resolution ratio of display screen is M × N (M rows N row), i.e., with M*N
Pixel, regard K*K pixel as a display unit,Then there is whole display screen to be divided into
(M/K) * (N/K) individual unit (M/K rows N/K row), meanwhile, if m=M/K, n=N/K, therefore,
The size of matrix of display elements is m × n (m rows n row).
202nd, the corresponding environmental light intensity of target display unit is obtained, and obtains the first penalty coefficient, its
In, the first penalty coefficient be with reference to De-Mura look-up tables, display unit mark, display unit it is bright
Grade is spent to obtain；Wherein, DE-Mura look-up tables comprise at least display unit and identified and De-Mura
The corresponding relation of penalty coefficient.
Environmental light intensity is the measurement to the ambient light degree of strength of display screen local environment, environmental light intensity
It can be measured by ambient light sensor varying environment according to where display screen, can also be by storing ring
The storage facilities of border light intensity is by outside input；Environmental light intensity can be one or more discrete values, or
The scope of one or more serial numbers or with light source parameters, display screen position, display
Form or matrix in screen corresponding to one or more parameters such as position of display unit.
The corresponding environmental light intensity of target display unit be according to target display unit within display screen
Obtained by position, the environmental light intensity with reference to display screen, the corresponding environmental light intensity of target display unit
Represent the ambient light degree of strength of target display unit present position.Target display unit is in display screen
In position can be target display unit absolute coordinate, or target display unit relative to
Display screen entirety or certain a part of relative coordinate.
Target display unit brightness degree is the measurement to the brightness of target display unit or luminance level, can
Represented with the brightness value by target display unit, naturally it is also possible to pass through the ash of target display unit
The expression such as rank, the color component of target display unit, driving voltage of target display unit, as long as its
It can be used in direct or indirect measurement target display unit brightness or luminance level, do not do herein
Repeat.
DE-Mura look-up tables comprise at least each display unit under different brightness degrees with compensation
The corresponding relation of coefficient, wherein target display unit mark be to target display unit within display screen
The mark that present position is carried out.Existed according to target display unit mark with target display unit brightness degree
The corresponding penalty coefficient of target display unit is searched in De-Mura look-up tables, target display unit is obtained
Penalty coefficient under corresponding bright grade, i.e. the first penalty coefficient.It is aobvious in De-Mura look-up tables
It can be whole display units of display screen to show unit, or the display chosen with sample mode
A part of display unit of screen.
203rd, the first penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree.
Wherein, the adjusted value of target display unit brightness degree is that the brightness of target display unit is changed
Weigh, brightness value that can be for target display unit or brightness degree, GTG, color component, driving
Adjusted value of voltage etc., if its can be used in direct or indirect measurement target display unit brightness or
The change of luminance level, will not be described here.
As target display unit brightness degree changes, Mura present in target display unit
Degree may also change therewith, be obtained according to target display unit brightness degree before
De-Mura penalty coefficients, it is impossible to accurate that De-Mura processing is carried out to target display unit.Therefore root
The first penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree, made according to adjustment
The first penalty coefficient accurately can compensate processing to target display unit De-Mura afterwards.
The first penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree, can be with
It is to choose one or more target display unit brightness degrees as normal brightness grade, with reference to
De-Mura look-up tables, target display unit mark and normal brightness grade, obtain target display single
Member the first penalty coefficient corresponding under each normal brightness grade, combining target display unit is every
The first corresponding penalty coefficient, obtains target by the method for interpolation and shows under individual normal brightness grade
The first corresponding penalty coefficient under the brightness degree of unit after the adjustment.
The first penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree, also may be used
Be according to the adjusted value of target display unit brightness degree to the first penalty coefficient before adjustment into than
Example adjustment, or carried out in the first penalty coefficient plus a preset value (preset value can be negative)
Adjustment, as long as above-mentioned adjustment can be changed to the first benefit by adjusting reflection target display unit brightness degree
The adjustment of coefficient tape is repaid, be will not be described here.
Exemplary, the change of display unit brightness degree is weighed by the GTG of display unit.It is aobvious
Show that unit has 256 GTGs, 32,64,128,192,255 GTGs are selected from 256 GTGs
As standard gray scale, wherein for 0 GTG and 255 GTGs, being used as two of 0-255 grey-scale ranges
End points, default setting is standard gray scale, and due to shadow of the display unit by ambient light under 0 GTG
Loud possibility is big, and the first penalty coefficient default setting of display unit is equal to 1 under 0 GTG.When need
Processing is compensated to the location of pixels that grey decision-making is equal to 96, two adjoining standard gray scales are
64 GTGs and 128 GTGs, according to the first penalty coefficient of display unit under 64 GTGs and 128 GTGs,
Interpolation calculation is carried out to the first penalty coefficient of display unit under 96 GTGs, obtains showing under 96 GTGs
First penalty coefficient of unit.
Above-mentioned steps are adjusted by the adjusted value of combining target display unit GTG by interpolation method
First penalty coefficient corresponding to target display unit brightness degree afterwards, is not reducing De-Mura processing
On the premise of effect, when the target display unit is carried out De-Mura processing under multiple brightness degrees,
The penalty coefficient quantity included in required De-Mura look-up tables is reduced as far as possible, is reduced
The occupancy of resource in De-Mura processing methods.
204th, according to the corresponding environmental light intensity of target display unit and the first penalty coefficient after adjustment,
Obtain the second penalty coefficient.
It is corresponding to target display unit according to the corresponding environmental light intensity of target display unit obtained
The first penalty coefficient after adjustment is handled.
The processing that the first penalty coefficient after adjustment corresponding to target display unit is carried out can be
According to the size of the corresponding environmental light intensity of target display unit, after adjustment corresponding to target display unit
The proportional adjustment of the first penalty coefficient or to the after the corresponding adjustment of target display unit
One penalty coefficient is adjusted plus a preset value (preset value can be negative).
Exemplary, Adj_h represents the first penalty coefficient after the corresponding adjustment of target display unit,
Env represents the strong and weak extent index of the corresponding ambient light of target display unit, and Adj_Dst represents target and shown
Corresponding second penalty coefficient of unit, as shown in following formula：
Adj_Dst=Func (Adj_h, Env)
According to Adj_h and Env, the second penalty coefficient Adj_Dst is obtained, when Adj_Dst is more than 1, table
The brightness of improving eyesight mark display unit needs to be lifted；When Adj_Dst is less than 1, show that target display is single
The brightness of member needs to be suppressed；When Adj_Dst is equal to 1, show that target display unit need not be carried out
Adjustment.
Wherein when ambient light is weaker, the mura phenomenons in screen are easier to be found, simultaneously because
Ambient light is weaker, now appropriateness weaken display brightness be also acceptable (when i.e. env is smaller,
After screen is adjusted with reference to above formula, Adj_Dst is set to be less than 1, and as env reduces and reduces)；
When ambient light is stronger, now due to the interference of ambient light, the mura phenomenons in screen be not easy by
It was found that, meanwhile, influenceed by highlighted ambient light, the brightness of screen needs to be maintained at higher degree,
The influence of ambient light can be suppressed, the effect of image quality is kept (when i.e. env is larger, with reference to above formula pair
After screen is adjusted, Adj_Dst is set to be more than 1, and as env increases and increases).
205th, according to the second penalty coefficient by two adjacent target display units of interpolation calculation it
Between other display unit the second penalty coefficient.
Wherein, other display unit is not obtain the display list of its second penalty coefficient in display screen
Member.
For one or more other display units, by the two display lists adjacent with other display unit
Member, by above-mentioned steps 201-204, obtains two target display units as target display unit
Corresponding second penalty coefficient of difference.With reference to corresponding second compensation of two target display unit difference
Coefficient, by interpolation method, calculates the second penalty coefficient of other display unit, so as to avoid passing through
Step described in 201-204 obtains the second penalty coefficient of other display unit, reduces to resource
Take, improve treatment effeciency.
206th, target display unit is handled according to the second penalty coefficient, it is single according to other displays
Second penalty coefficient of member is handled other display unit.
Wherein, the second penalty coefficient refers to can be used for compensating the display parameters of target display unit
The value of computing, the second penalty coefficient can be correction value or correction factor.Wherein display parameters refer to influence
The data of display unit displayed content, the display parameters of the target display unit can show for target
The brightness degree of unit, certain display parameters be alternatively the brightness value of target display unit, GTG,
Color component, driving voltage etc., will not be described here.
When carrying out De-Mura compensation deals, the target display unit before compensation deals can be shown
Parameter is compensated plus penalty coefficient, can also be shown the target display unit before compensation deals and be joined
Number is multiplied by the penalty coefficient and compensated.The mode of De-Mura compensation deals is carried out with reference to penalty coefficient
Can also be other types, can be to corresponding aobvious as long as combining penalty coefficient in the compensation deals mode
Show that unit carries out De-Mura compensation, do not do excessive description herein.
When target display unit or weaker other display unit correspondence ambient light, it is according to the second compensation
The processing that number carries out De-Mura of the De-Mura treatment effect with being carried out according to the first penalty coefficient is imitated
Fruit is compared to stronger, and when target display unit or stronger other display unit correspondence ambient light, according to
Second penalty coefficient carries out De-Mura treatment effect and according to the progress of the first penalty coefficient
De-Mura treatment effect is compared to weaker.
It is preferred that, the second penalty coefficient is contrasted according to preset value, wherein preset value is target display unit
Or the value of other display unit penalty coefficient when Mura is not present, when the second penalty coefficient be more than it is default
During value, the brightness to target display unit or other display unit is lifted；When the second penalty coefficient
During less than preset value, the brightness to target display unit or other display unit is suppressed.
Exemplary, using target display unit or other display units as a pixel cell, with described
The gray value of pixel cell weighs its brightness degree, its gray scale of the pixel cell RGB component correspondence
Value, the second penalty coefficient is the gray-level correction value of the pixel, for there is the Mura pixel,
Being compensated in the corresponding gray value of the pixel cell RGB component plus the second penalty coefficient { should
Correction value can be negative), wherein, for the pixel without Mura, its gray-level correction value is 0.
It will be evident that when target display unit correspondence ambient light is weaker, being carried out according to the second penalty coefficient
De-Mura treatment effect is compared with the De-Mura carried out according to the first penalty coefficient treatment effect
It is stronger, and when target display unit correspondence ambient light is stronger, carried out according to the second penalty coefficient
De-Mura treatment effect is compared with the De-Mura carried out according to the first penalty coefficient treatment effect
It is weaker.
The method for eliminating display device Mura that embodiments of the invention are provided, applied to display screen,
Wherein display screen includes the display unit by matrix distribution, and each display unit includes at least one picture
Plain unit, the corresponding environmental light intensity of target display unit can be obtained by eliminating display device Mura devices；
And the first penalty coefficient is obtained, wherein the first penalty coefficient is with reference to De-Mura look-up tables, display
Unit marks, the brightness degree of display unit are obtained, and DE-Mura look-up tables comprise at least display unit
Mark and the corresponding relation of penalty coefficient；Compensated according to the adjusted value of object element brightness degree first
Coefficient is adjusted；Then mended according to the corresponding environmental light intensity of target display unit with first after adjustment
Coefficient is repaid, the second penalty coefficient is obtained；According to the second penalty coefficient, by interpolation calculation it is adjacent its
Second penalty coefficient of his display unit；Display device Mura devices are finally eliminated according to the second compensation
Coefficient is handled display unit, and display unit progress processing is referred to here according to the second penalty coefficient
The image that display unit is shown is modulated or compensated according to the second newly-generated penalty coefficient, it is above-mentioned
Method is adjusted by the adjusted value of combination display unit brightness degree to the first penalty coefficient, it
Environmental light intensity with reference to corresponding to the display unit for Mura occur afterwards, to there is Mura display unit
The first penalty coefficient handled, obtain the second penalty coefficient, at the same by differential technique obtain with it is aobvious
Show the second penalty coefficient of other adjacent units of unit, finally when carrying out De-Mura processing according to the
Two penalty coefficients carry out De-Mura processing to there is Mura display unit, therefore are carried in the application
It is further when carrying out De-Mura processing to have taken into account that environmental light intensity is single to display in the scheme of confession
The influence for the Mura defects that member is produced, so as to according to the degree of strength of ambient light, adjust De-Mura
Treatment effect, reduces occupancy of the De-Mura processing to resource, improves De-Mura treatment effeciencies,
The image quality and display effect for making display screen are lifted.
Shown in reference picture 3, another embodiment of the present invention provides a kind of elimination display device Mura's
Method, applied to display screen, wherein the display screen includes the display unit by matrix distribution,
Wherein each display unit includes at least one pixel cell, specifically includes following steps：
301st, matrix of display elements is generated to display screen piecemeal, matrix of display elements is sampled and obtained
Target display unit.
Specific example is repeated no more here with reference to above-mentioned steps 201.
302nd, obtain the corresponding environmental light intensity of target display unit and obtain the first penalty coefficient, wherein,
First penalty coefficient is to combine De-Mura look-up tables, display unit mark, brightness of display unit etc.
Level is obtained；Wherein, DE-Mura look-up tables, which comprise at least display unit mark and compensated with De-Mura, is
Several corresponding relations.
Specific example is repeated no more here with reference to above-mentioned steps 202.
303rd, according to the corresponding environmental light intensity of target display unit and the first penalty coefficient, second is obtained
Penalty coefficient.
It is corresponding to target display unit according to the corresponding environmental light intensity of target display unit obtained
First penalty coefficient is handled.
The adjustment that the first penalty coefficient corresponding to target display unit is carried out can be according to target
The size of the corresponding environmental light intensity of display unit, the first penalty coefficient corresponding to target display unit into
Ratio is adjusted or to corresponding first penalty coefficient of target display unit plus a preset value
(preset value can be negative) is adjusted.
Exemplary, Adj represents corresponding first penalty coefficient of target display unit, and Env represents target
The strong and weak extent index of the corresponding ambient light of display unit, it is corresponding that Adj_Dst represents target display unit
Second penalty coefficient, following formula：
Adj_Dst=Func (Adj, Env)
According to Adj and Env, the second penalty coefficient Adj_Dst is obtained, when Adj_Dst is more than 1, is shown
The brightness of target display unit needs to be lifted；When Adj_Dst is less than 1, show target display unit
Brightness need to be suppressed；When Adj_Dst is equal to 1, show that target display unit need not be adjusted
It is whole.
304th, the second penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree.
Wherein, the adjusted value of target display unit brightness degree is that the brightness of target display unit is changed
Weigh, can be represented by the brightness value of target display unit, or can also show single by target
The expression such as GTG, the color component of target display unit, driving voltage of target display unit of member,
As long as it can be used in direct or indirect measurement target display unit brightness or the change of luminance level
, will not be described here.
As target display unit brightness degree changes, Mura present in target display unit
Degree may also change therewith, be obtained according to target display unit brightness degree before
De-Mura penalty coefficients, it is impossible to accurate that De-Mura processing is carried out to target display unit.Therefore root
The second penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree, made according to adjustment
The second penalty coefficient afterwards accurately can compensate processing to target display unit De-Mura.
The second penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree, can be with
It is to choose one or more target display unit brightness degrees as normal brightness grade, with reference to
De-Mura look-up tables, target display unit mark and normal brightness grade, obtain target display single
Member the second penalty coefficient corresponding under each normal brightness grade, combining target display unit is every
The second corresponding penalty coefficient, obtains target by the method for interpolation and shows under individual normal brightness grade
The second corresponding penalty coefficient under the brightness degree of unit after the adjustment.
The second penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree, also may be used
Be according to the adjusted value of target display unit brightness degree to the second penalty coefficient before adjustment into than
Example adjustment, or carried out in the second penalty coefficient plus a preset value (preset value can be negative)
Adjustment, as long as above-mentioned adjustment can be changed to the second benefit by adjusting reflection target display unit brightness degree
The adjustment of coefficient tape is repaid, be will not be described here.
Exemplary, the change of display unit brightness degree is weighed by the GTG of display unit.It is aobvious
Show that unit has 256 GTGs, 32,64,128,192,255 GTGs are selected from 256 GTGs
As standard gray scale, wherein for 0 GTG and 255 GTGs, being used as two of 0-255 grey-scale ranges
End points, default setting is standard gray scale, and due to shadow of the display unit by ambient light under 0 GTG
Loud possibility is big, and the second penalty coefficient default setting of display unit is equal to 1 under 0 GTG.When need
Processing is compensated to the location of pixels that grey decision-making is equal to 96, two adjoining standard gray scales are
64 GTGs and 128 GTGs, according to the second penalty coefficient of display unit under 64 GTGs and 128 GTGs,
Interpolation calculation is carried out to the second penalty coefficient of display unit under 96 GTGs, obtains showing under 96 GTGs
Second penalty coefficient of unit.
Above-mentioned steps are adjusted by the adjusted value of combining target display unit GTG by interpolation method
Second penalty coefficient corresponding to target display unit brightness degree afterwards, is not reducing De-Mura processing
On the premise of effect, when the target display unit is carried out De-Mura processing under multiple brightness degrees,
The first required penalty coefficient is reduced as far as possible, and then makes what is included in required De-Mura look-up tables
Penalty coefficient quantity is reduced as far as possible, reduces the occupancy of resource in De-Mura processing methods.
305th, it is aobvious by two adjacent targets of interpolation calculation according to the second penalty coefficient after adjustment
Show the second penalty coefficient of the other display unit between unit.
Wherein, other display unit is not obtain the display list of its second penalty coefficient in display screen
Member.
For one or more other display units, by the two display lists adjacent with other display unit
Member, by above-mentioned steps 301-304, obtains two target display units as target display unit
The second penalty coefficient after each self-corresponding adjustment.With reference to each self-corresponding tune of two target display units
The second penalty coefficient after whole, by interpolation method, calculates the second penalty coefficient of other display unit,
So as to avoid passing through the second penalty coefficient that step described in 301-304 obtains other display unit, drop
The low occupancy to resource, improves treatment effeciency.
306th, target display unit is handled according to the second penalty coefficient after adjustment, according to it
He is handled other display unit the second penalty coefficient of display unit.
Wherein, the second penalty coefficient refers to can be used for compensating the display parameters of target display unit
The value of computing, the second penalty coefficient can be correction value or correction factor.Wherein display parameters refer to influence
The data of display unit displayed content, the display parameters of the target display unit can be aobvious by target
Show that the brightness value of unit is represented, or can also show single by the GTG of target display unit, target
Color component, driving voltage of target display unit of member etc. are represented, will not be described here.
When carrying out De-Mura compensation deals, the target display unit before compensation deals can be shown
Parameter is compensated plus penalty coefficient, can also be shown the target display unit before compensation deals and be joined
Number is multiplied by the penalty coefficient and compensated.The mode of De-Mura compensation deals is carried out with reference to penalty coefficient
Can also be other types, can be to corresponding aobvious as long as combining penalty coefficient in the compensation deals mode
Show that unit carries out De-Mura compensation, do not do excessive description herein.
When target display unit or weaker other display unit correspondence ambient light, it is according to the second compensation
The processing that number carries out De-Mura of the De-Mura treatment effect with being carried out according to the first penalty coefficient is imitated
Fruit is compared to stronger, and when target display unit or stronger other display unit correspondence ambient light, according to
Second penalty coefficient carries out De-Mura treatment effect and according to the progress of the first penalty coefficient
De-Mura treatment effect is compared to weaker.
It is preferred that, the second penalty coefficient is contrasted according to preset value, wherein preset value is target display unit
Or the value of other display unit penalty coefficient when Mura is not present, when the second penalty coefficient be more than it is default
During value, the brightness to target display unit or other display unit is lifted；When the second penalty coefficient
During less than preset value, the brightness to target display unit or other display unit is suppressed.
The method for eliminating display device Mura that embodiments of the invention are provided, applied to display screen,
Wherein display screen includes the display unit by matrix distribution, and each display unit includes at least one picture
Plain unit, the corresponding environmental light intensity of target display unit can be obtained by eliminating display device Mura devices；
And the first penalty coefficient is obtained, wherein the first penalty coefficient is with reference to De-Mura look-up tables, display
Unit marks, the brightness degree of display unit are obtained, and DE-Mura look-up tables comprise at least display unit
Mark and the corresponding relation of penalty coefficient；Mended according to the corresponding environmental light intensity of target display unit and first
Coefficient is repaid, the second penalty coefficient is obtained；Compensated according to the adjusted value of object element brightness degree second
Coefficient is adjusted；According to the second penalty coefficient after adjustment, pass through adjacent other of interpolation calculation
Second penalty coefficient of display unit；Finally eliminate display device Mura devices is according to the second compensation
It is several that display unit is handled, here according to the second penalty coefficient to display unit progress processing refer to according to
The image that display unit is shown is modulated or compensated according to the second newly-generated penalty coefficient, above-mentioned side
Method is adjusted, afterwards by the adjusted value of combination display unit brightness degree to the first penalty coefficient
Environmental light intensity with reference to corresponding to the display unit for Mura occur, to there is Mura display unit
First penalty coefficient is handled, and obtains the second penalty coefficient, while being obtained by differential technique with showing
Second penalty coefficient of the adjacent other display unit of unit, finally carry out De-Mura processing when according to
Second penalty coefficient carries out De-Mura processing to there is Mura display unit, therefore in the application
It is further when carrying out De-Mura processing to have taken into account environmental light intensity to display in the scheme of offer
The influence for the Mura defects that unit is produced, so as to according to the degree of strength of ambient light, adjust De-Mura
Treatment effect, while reducing occupancy of the De-Mura processing to resource, improves De-Mura treatment effeciencies,
The image quality and display effect for making display screen are lifted.
Embodiments of the invention provide a kind of elimination display device Mura devices, applied to display screen
Wherein described display screen includes the display unit by matrix distribution, wherein each display unit is comprising extremely
A few pixel cell, shown in reference picture 4, the device includes：
Detection unit 41, for obtaining the corresponding environmental light intensity of target display unit；Wherein, target shows
It is any display unit in display screen to show unit, or Mura display unit occur, together
When can also be to whole screen display unit carry out comprehensive statistics situation.
Environmental light intensity is the measurement to the ambient light degree of strength of display screen local environment.
The corresponding environmental light intensity of target display unit be according to target display unit within display screen
Obtained by position, the environmental light intensity with reference to display screen local environment.
Processing unit 42, obtains the first penalty coefficient, the first penalty coefficient is looked into reference to De-Mura
Table, display unit mark, the brightness degree of display unit is looked for obtain, DE-Mura look-up tables are at least
Include the corresponding relation each display unit under different brightness degrees with penalty coefficient.
DE-Mura look-up tables comprise at least each display unit under different brightness degrees with compensation
The corresponding relation of coefficient, wherein target display unit mark be to target display unit within display screen
The mark that present position is carried out.Mesh is searched in De-Mura look-up tables according to target display unit mark
Mark display unit corresponding penalty coefficient, the brightness degree of combining target display unit and found
Penalty coefficient, obtains penalty coefficient of the target display unit under corresponding bright grade, i.e., the first compensation
Coefficient.
Processing unit 42, for according to the corresponding environmental light intensity of the target display unit and described first
Penalty coefficient, obtains the second penalty coefficient；According to the corresponding ambient light of target display unit obtained
By force, the first penalty coefficient corresponding to target display unit is handled.
Compensating unit 43, for being handled according to second penalty coefficient target display unit.
A kind of elimination display device Mura devices that embodiments of the invention are provided, applied to display screen
Curtain, wherein display screen include the display unit by matrix distribution, and each display unit includes at least one
Individual pixel cell, the corresponding environment of target display unit can be obtained by eliminating display device Mura devices
Light intensity；And obtain the first penalty coefficient, wherein the first penalty coefficient be with reference to De-Mura look-up tables,
Display unit mark, the brightness degree of display unit are obtained, and DE-Mura look-up tables comprise at least display
The corresponding relation of unit marks and penalty coefficient；Then according to the corresponding environmental light intensity of target display unit
With first penalty coefficient, the second penalty coefficient is obtained；Finally eliminate display device Mura devices
Target display unit is handled according to the second penalty coefficient, here according to the second penalty coefficient to mesh
The progress processing of mark display unit refers to the figure shown according to the second newly-generated penalty coefficient to display unit
As being modulated or compensating, ambient light of the above method with reference to corresponding to the display unit for Mura occur
By force, the first penalty coefficient for Mura display unit occur is handled, obtains the second compensation system
Number, and carry out De-Mura processing when according to the second penalty coefficient to there is Mura display unit
De-Mura processing is carried out, therefore in the scheme that the application is provided, is carrying out De-Mura processing
The further influence for having taken into account the Mura defects that environmental light intensity is produced to display unit, so that root
According to the degree of strength of ambient light, De-Mura treatment effects are adjusted, make image quality and the display of display screen
Effect promoting.
Optionally, processing unit 42 is additionally operable to be adjusted according to the adjusted value of target display unit brightness degree
Whole first penalty coefficient；According to the corresponding environmental light intensity of target display unit and the first compensation after adjustment
Coefficient, obtains the second penalty coefficient.
By the adjusted value of combining target display unit brightness degree, the target display after being adjusted is single
First penalty coefficient corresponding to first brightness degree, equivalent to only need in De-Mura look-up tables set
Corresponding first penalty coefficient of one group of normal brightness, when display unit brightness degree changes, directly
The first penalty coefficient that needs are worth to according to the adjustment of display unit brightness degree is connect, without to be every
One brightness degree sets a penalty coefficient.The above is mended in De-Mura look-up tables are not changed
On the premise of repaying number of coefficients, the first penalty coefficient is adjusted according to the adjustment of brightness degree, from
And De-Mura treatment effects are adjusted, De-Mura treatment effects are optimized, and reduce De-Mura
The occupancy to resource is handled, De-Mura treatment effeciencies are improved, the image quality and display for making display screen are imitated
Fruit is lifted.
Optionally, processing unit 42 is additionally operable to be adjusted according to the adjusted value of target display unit brightness degree
Whole second penalty coefficient.Compensating unit 43 is additionally operable to according to the second penalty coefficient after adjustment to target
Display unit is handled.
By the adjusted value of combining target display unit brightness degree, the target display after being adjusted is single
Second penalty coefficient corresponding to first brightness degree, when display unit brightness degree changes, directly
Second penalty coefficient of needs is worth to according to the adjustment of display unit brightness degree, without when display
Need to inquire about under corresponding bright grade in De-Mura look-up tables when unit brightness degree changes
The first penalty coefficient.The above is before penalty coefficient quantity in not changing De-Mura look-up tables
Put, the second penalty coefficient is adjusted according to the adjustment of brightness degree, so as to adjust De-Mura
Treatment effect, optimizes De-Mura treatment effects, and reduces occupancy of the De-Mura processing to resource,
De-Mura treatment effeciencies are improved, the image quality and display effect for making display screen are lifted.
Optionally, shown in reference picture 5, the device also includes piecemeal sampling unit 44, for display
Screen block generates matrix of display elements, and obtaining the target to matrix of display elements sampling shows single
Member.
Optionally, processing unit 42 is additionally operable to the second penalty coefficient according to target display unit, leads to
The second of the other display unit crossed between two adjacent target display units of interpolation calculation
Penalty coefficient；Compensating unit is additionally operable to：It is aobvious to other according to the second penalty coefficient of other display unit
Show that unit is handled.
By the way that display screen is pressed into piecemeal generator matrix unit, target is obtained to matrix of display elements sampling
Display unit, the second compensation system of other units adjacent with target display unit is obtained by differential technique
Number, on the premise of the display unit quantity of De-Mura processing is not reduced, makes the compensation of acquisition second system
The first penalty coefficient quantity required for number is reduced as far as possible, and then is made in required De-Mura look-up tables
Comprising penalty coefficient quantity reduce as far as possible, reduce accounting for for resource in De-Mura processing methods
With.
Further, compensating unit 43 is right specifically for when the second penalty coefficient is more than preset value
Target display unit brightness is lifted；When the second penalty coefficient is less than preset value, to the target
Display unit brightness is suppressed.Wherein preset value is that target display unit or other display unit are not deposited
The value of penalty coefficient in Mura.
Embodiments of the invention provide a kind of display device, including：Display device, and above-mentioned implementation
The elimination display device Mura devices that example is provided.The display device can be：Electronic Paper, mobile phone,
Any tool such as tablet personal computer, television set, display, notebook computer, DPF, navigator
There are the product or part of display function.
The display device that embodiments of the invention are provided, applied to display screen, wherein display screen
Including the display unit by matrix distribution, each display unit includes at least one pixel cell, eliminates
Display device Mura devices can obtain the corresponding environmental light intensity of target display unit；And obtain the
One penalty coefficient, wherein the first penalty coefficient be with reference to De-Mura look-up tables, display unit mark,
The brightness degree of display unit is obtained, and DE-Mura look-up tables comprise at least display unit and identified with compensating
The corresponding relation of coefficient；Then according to the corresponding environmental light intensity of target display unit and the described first compensation
Coefficient, obtains the second penalty coefficient；Finally eliminate display device Mura devices is according to the second compensation
It is several that target display unit is handled, target display unit is carried out here according to the second penalty coefficient
Processing, which refers to, to be modulated or mends to the image that display unit is shown according to the second newly-generated penalty coefficient
Repay, environmental light intensity of the above method with reference to corresponding to the display unit for Mura occur, to there is Mura
The first penalty coefficient of display unit handled, obtain the second penalty coefficient, and carrying out
De-Mura is carried out to there is Mura display unit according to the second penalty coefficient during De-Mura processing
Processing, therefore be further consideration carrying out De-Mura processing in the scheme that the application is provided
The influence for the Mura defects that environmental light intensity is produced to display unit is entered, so that according to the strong of ambient light
Weak degree, adjusts De-Mura treatment effects, and the image quality and display effect for making display screen are lifted.
, wherein it is desired to which the unit in explanation, the present embodiment can be the place individually set up
Device or sensor are managed, can also be integrated in some processor or sensor and realize, in addition,
Can be in the memory that touch point identifying device is stored in the form of program code, to be adjusted by processor
With and perform the function of above unit.Processor described here can be a center processing
Device (English full name：Central Processing Unit, English abbreviation：), or quilt CPU
It is configured to implement one or more integrated circuits (English full name of the embodiment of the present invention：Integrated
Circuit, English abbreviation：IC)；Sensor can be an electronic component, or multiple electricity
The circuit structure of subcomponent composition, or be configured to implement the one or more of the embodiment of the present invention
Integrated circuit.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not
Be confined to this, any one skilled in the art the invention discloses technical scope
It is interior, change or replacement can be readily occurred in, should be all included within the scope of the present invention.Therefore,
Protection scope of the present invention should be based on the protection scope of the described claims.
Claims (13)
1. a kind of method for eliminating display device Mura, applied to display screen, wherein the display screen
Curtain includes the display unit by matrix distribution, wherein each display unit includes at least one pixel cell,
It is characterised in that it includes：
The corresponding environmental light intensity of target display unit is obtained, and obtains the first penalty coefficient, described first mends
It is to combine De-Mura look-up tables, display unit mark, the brightness degree of display unit to obtain to repay coefficient,
The De-Mura look-up tables comprise at least each display unit
Several corresponding relations；
According to the corresponding environmental light intensity of the target display unit and first penalty coefficient, second is obtained
Penalty coefficient；
Target display unit is handled according to second penalty coefficient.
2. the method according to claim 1 for eliminating display device Mura, it is characterised in that described
Method also includes：
First penalty coefficient is adjusted according to the adjusted value of the target display unit brightness degree；
According to the first penalty coefficient after the corresponding environmental light intensity of the target display unit and the adjustment,
Obtain the second penalty coefficient.
3. the method according to claim 1 for eliminating display device Mura, it is characterised in that described
Method also includes：
Second penalty coefficient is adjusted according to the adjusted value of target display unit brightness degree；
Target display unit is handled according to the second penalty coefficient after the adjustment.
4. the method according to claim 1 for eliminating display device Mura, it is characterised in that obtain
Take before the corresponding environmental light intensity of target display unit, methods described also includes：
Matrix of display elements is generated to the display screen piecemeal, the matrix of display elements is sampled and obtained
The target display unit.
5. the method according to claim 4 for eliminating display device Mura, it is characterised in that obtain
After the second penalty coefficient for taking the target display unit, in addition to：
Two adjacent institutes of interpolation calculation are passed through according to the second penalty coefficient of the target display unit
State the second penalty coefficient of the other display unit between target display unit；
Other display unit is handled according to the second penalty coefficient of the other display unit.
6. the method for eliminating display device Mura according to any one of claim 1-5, it is special
Levy and be, it is described that target display unit progress processing is included according to the second penalty coefficient：
When second penalty coefficient is more than preset value, target display unit brightness is lifted；
When second penalty coefficient is less than preset value, the target display unit brightness is pressed
System.
7. one kind eliminates display device Mura devices, applied to display screen, wherein the display screen
Including the display unit by matrix distribution, wherein each display unit includes at least one pixel cell, its
It is characterised by, including：
Detection unit, for obtaining the corresponding environmental light intensity of target display unit；
Processing unit, for obtaining the first penalty coefficient, first penalty coefficient is to combine De-Mura
Look-up table, display unit mark, the brightness degree of display unit are obtained, the DE-Mura look-up tables
Including at least corresponding relation of each display unit under different brightness degrees with penalty coefficient；
The processing unit is additionally operable to according to the corresponding environmental light intensity of the target display unit and described the
One penalty coefficient, obtains the second penalty coefficient；
Compensating unit, for being handled according to second penalty coefficient target display unit.
8. elimination display device Mura devices according to claim 7, it is characterised in that described
Processing unit is additionally operable to be mended according to the adjusted value of target display unit brightness degree adjustment described first
Repay coefficient；It is according to the first compensation after the corresponding environmental light intensity of the target display unit and the adjustment
Number, obtains the second penalty coefficient.
9. elimination display device Mura devices according to claim 7, it is characterised in that described
Processing unit is additionally operable to according to the adjusted value of target display unit brightness degree adjustment the second compensation system
Number；
The compensating unit is additionally operable to according to the second penalty coefficient after the adjustment to target display unit
Handled.
10. elimination display device Mura devices according to claim 7, it is characterised in that also
Including：
Piecemeal sampling unit, for generating matrix of display elements to the display screen piecemeal, and to described
Matrix of display elements sampling obtains the target display unit.
11. elimination display device Mura devices according to claim 10, it is characterised in that institute
State processing unit and be additionally operable to the second penalty coefficient according to the target display unit, pass through interpolation calculation
Second penalty coefficient of the other display unit between two adjacent target display units；
The compensating unit is additionally operable to aobvious to other according to the second penalty coefficient of the other display unit
Show that unit is handled.
12. the elimination display device Mura devices according to any one of claim 7-11, it is special
Levy and be, compensating unit to target specifically for when second penalty coefficient is more than preset value, showing
Unit brightness is lifted；When second penalty coefficient is less than preset value, single is shown to the target
First brightness is suppressed.
13. a kind of display device, it is characterised in that including：Display screen, and claim 7-12
Any one of elimination display device Mura devices.
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| CN108377386A (en) * | 2018-01-31 | 2018-08-07 | 四川长虹电器股份有限公司 | A kind of LCD TV complete machine De-Mura methods |
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| CN112885310A (en) * | 2021-01-25 | 2021-06-01 | 北京欧铼德微电子技术有限公司 | Driving method and device and electronic equipment |
| WO2021103832A1 (en) * | 2019-11-27 | 2021-06-03 | 深圳市万普拉斯科技有限公司 | Method and apparatus for adjusting display brightness, and electronic device, and storage medium |
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