CN107180605A - 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 PDF

Info

Publication number
CN107180605A
CN107180605A CN201610140183.6A CN201610140183A CN107180605A CN 107180605 A CN107180605 A CN 107180605A CN 201610140183 A CN201610140183 A CN 201610140183A CN 107180605 A CN107180605 A CN 107180605A
Authority
CN
China
Prior art keywords
mura
display unit
display
penalty
under
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610140183.6A
Other languages
Chinese (zh)
Inventor
田广
王中琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hisense Electronics Co Ltd
Original Assignee
Qingdao Hisense Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hisense Electronics Co Ltd filed Critical Qingdao Hisense Electronics Co Ltd
Priority to CN201610140183.6A priority Critical patent/CN107180605A/en
Publication of CN107180605A publication Critical patent/CN107180605A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G09G3/2007—Display of intermediate tones
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • 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
    • 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

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, can according only to display device subregion De-Mura penalty coefficients, De-Mura processing is carried out to display device Zone Full, the occupancy to resource is reduced.This method, including：Obtain De-Mura penalty coefficient of at least one standard display unit under a brightness degree；According to the De-Mura penalty coefficients of standard display unit, the De-Mura penalty coefficients of other display unit are obtained；Other display unit is handled according to the De-Mura penalty coefficients of other display unit.Embodiments of the invention are used to eliminate display device Mura.

Description

A kind of method for eliminating display device Mura, elimination display device Mura devices and display Equipment
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 position in Mura regions and the De-Mura compensation comprising region Mura information Coefficient, enters further according to De-Mura penalty coefficients to the display content of liquid crystal display respective regions The corresponding modulation of row, suppresses with eliminating the Mura information wherein included, to improve display content picture Uniformity so that the viewing effect of display content is improved.
But existing De-Mura methods to display device Mura regions during being modulated, The De-Mura penalty coefficients of display device Zone Full need to be generally obtained, and due to for being modulated Chip need to read in caching (SDRAM) data and calculate, equipment outfit in the prior art Sdram size it is typically small, obtain De-Mura penalty coefficients process can take more sky Between resource, while with the increase of display device resolution ratio and size, shared by said process Sdram size also can be in exponential increase therewith, adds the cost of device fabrication, so as to depositing The cost being modulated in Mura display device significantly rises, and reduces De-Mura feasibility.
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 compensate system according only to the De-Mura of display device subregion Number, De-Mura processing is carried out to display device Zone Full, reduces De-Mura processing to money The occupancy in source, improves De-Mura treatment effeciencies, while ensureing De-Mura treatment effects.
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, it is characterised in that including：
De-Mura penalty coefficient of at least one standard display unit under a brightness degree is obtained, De-Mura look-up tables comprise at least standard display unit and compensated under current brightness level with De-Mura The corresponding relation of coefficient, standard display unit is distributed in the display screen according to default rule；
According to De-Mura penalty coefficient of at least one standard display unit under a brightness degree, Obtain De-Mura penalty coefficient of the other display unit under a brightness degree；
It is aobvious to other according to De-Mura penalty coefficient of the other display unit under a brightness degree Show that unit is handled.
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：
Processing unit, for obtaining at least one standard display unit under a brightness degree De-Mura penalty coefficients, De-Mura look-up tables comprise at least standard display unit in present intensity etc. The lower corresponding relation with De-Mura penalty coefficients of level, standard display unit is distributed according to default rule In display screen；Mended according to De-Mura of at least one standard display unit under a brightness degree Coefficient is repaid, De-Mura penalty coefficient of the other display unit under a brightness degree is obtained；
Compensating unit, for being compensated according to De-Mura of the other display unit under a brightness degree Coefficient is handled other display unit.
The third aspect, the embodiments of the invention provide a kind of display device, display screen, and it is above-mentioned Any elimination display device Mura devices.
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 include at least one pixel cell, obtain first at least one mark De-Mura penalty coefficient of the quasi- display unit under a brightness degree, De-Mura look-up tables are extremely Less comprising corresponding relation standard display unit under current brightness level with De-Mura penalty coefficients, Standard display unit is distributed in the display screen according to default rule；Secondly according at least one mark De-Mura penalty coefficient of the quasi- display unit under a brightness degree, obtains other display unit and exists De-Mura penalty coefficients under one brightness degree；Finally according to other display unit in a brightness De-Mura penalty coefficients under grade are handled other display unit, and the above method is according to display The De-Mura penalty coefficients of screen Plays display unit, and standard display unit and other displays Position relationship between unit, obtains the De-Mura penalty coefficients of other display unit, so that according to The De-Mura penalty coefficients of other display unit carry out De-Mura processing to other display unit, its In from De-Mura look-up tables directly obtain De-Mura penalty coefficients process occupy De-Mura Compared with multiple resource in processing, therefore in the present embodiment, without the De-Mura for obtaining other display unit On the premise of penalty coefficient, the display of the display unit that sorting takes in the middle part of display screen, i.e. standard is single The De-Mura penalty coefficients of member, and standard display unit and the position relationship of other display unit, The De-Mura penalty coefficients of other display unit are obtained, therefore method in embodiment can obtained only Take a part of display unit De-Mura penalty coefficients or only acquisition display screen resolution in display screen On the premise of the relatively low De-Mura penalty coefficients of rate, to there is no De-Mura in display screen The display unit of penalty coefficient carries out De-Mura processing, is carried out so as to reduce to display screen De-Mura penalty coefficients are directly obtained from De-Mura look-up tables required in De-Mura processing Quantity, and then occupancy of the De-Mura processing to resource is reduced, improve De-Mura treatment effeciencies. Additionally, due to the region for occurring Mura in screen, gray-value variation is shown than shallower according to standard The penalty coefficient for the other display unit that the penalty coefficient of unit is calculated with reference to standard display unit The influence of penalty coefficient, will not cause larger error, it is ensured that De-Mura treatment effect.
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 signal sampled to display screen piecemeal that Fig. 3 provides for another embodiment of the present invention Figure；
A kind of method for elimination display device Mura that Fig. 4 provides for another embodiment of the present invention Schematic flow sheet；
A kind of elimination display device Mura devices that Fig. 5 provides for embodiments of the invention it is schematic Structure chart；
A kind of elimination display device Mura devices that Fig. 6 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 (moire) caused by brightness irregularities when in use Defect phenomenon, therefore display device is by existing during the progress content display of the screen of Mura defects, sight The information that the person of seeing receives includes original contents and two parts of Mura information, due to Mura information The viewing experience of viewing recipient is influenced whether, 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, at least one standard display unit is searched in default De-Mura look-up tables at one Corresponding De-Mura penalty coefficients under brightness degree, the De-Mura look-up tables comprise at least standard Corresponding relation of the display unit under current brightness level with De-Mura penalty coefficients, the standard shows Show that unit is distributed in the display screen according to default rule.
Wherein, standard display unit is described default according in the distribution of default rule and the display screen Rule can be predeterminated position in display screen, can be with one or more sides according to default interval It is distributed in the display screen, or with default quantity and display screen with default position Ratio Relative distribution is put, the default rule can also be other types, as long as can be according to default rule Rule determines one or more display units as standard display unit within display screen.
Wherein, the brightness degree of display unit is the measurement to display unit brightness or luminance level, can To be represented by the brightness value of display unit, or can also be single by the GTG of display unit, display Member color component (it is exemplary as：RGB (red (Red), green (Green), blue (Blue)) component), Driving voltage of display unit etc. is represented, is shown as long as it can be used in direct or indirect criterion Unit brightness or luminance level, will not be described here.
DE-Mura look-up tables comprise at least each display unit under different brightness degrees with The corresponding relation of De-Mura penalty coefficients, wherein display unit mark are in display screen to display unit The mark that present position is carried out in curtain, the different display unit for identifying.Identified according to display unit The corresponding De-Mura of display unit is searched in De-Mura look-up tables with display unit brightness degree Penalty coefficient, obtains De-Mura penalty coefficient of the display unit under corresponding bright grade.
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, but in De-Mura look-up tables Display unit comprise at least standard display unit.
Exemplary, so that display unit size is 1 pixel cell as an example, X1Value represent target Pixel cell is along the position on the horizontal edge direction of display screen, Y1Value represent object pixel unit With the position in display screen horizontal sides vertical direction, (X is set to display screen middle position1,Y1) picture Plain unit is standard pixel unit；A pixel cell includes RGB tri- in rgb color standard Pixel, carries out analysis to obtain standard pixel to standard pixel unit R GB components value condition The brightness degree information of unit, K represents comprehensive to the progress of standard pixel unit R GB components value condition The characterization parameter obtained after analysis is closed, Adj represents the De-mura penalty coefficients of standard pixel unit. Rower is entered according to the RGB component value condition of the position of standard pixel unit and standard pixel unit The computing of quasi- pixel cell De-mura penalty coefficients, it is as follows：
Adj=Func (X1,Y1,K)
102nd, compensated according to De-Mura of at least one standard display unit under a brightness degree Coefficient, and at least one described standard display unit and the position relationship of other display unit, are obtained De-Mura penalty coefficient of the other display unit under a brightness degree.
Wherein other display unit is that can determine between standard display unit with position relationship Display unit, the position relationship can be display unit coordinate relation, or display unit away from From position relationship, as long as can be mended according to the De-Mura of the position relationship and standard display unit Coefficient is repaid, the De-Mura penalty coefficients of other display unit is obtained, will not be described here.
According to the standard display unit De-Mura penalty coefficients, other display unit is obtained De-Mura penalty coefficients, be according to the position relationship between standard display unit and other display unit, The De-Mura penalty coefficients of combined standard display unit, obtain the De-Mura of other display unit Penalty coefficient, exemplary, the position relationship between the standard display unit and other display unit is Coordinate position relation between standard display unit and other display unit, passes through above-mentioned coordinate position relation The ratio of De-Mura penalty coefficients between other display unit and standard display unit is obtained, standard is shown Show that the De-Mura penalty coefficients of unit are multiplied by De-Mura between other display unit and standard display unit The ratio of penalty coefficient, obtains the De-Mura penalty coefficients of other display unit, or standard is shown The De-Mura penalty coefficients of unit are compensated plus preset value as the De-Mura of other display unit Number, or by the De-Mura penalty coefficients of standard display unit directly as other display unit De-Mura penalty coefficients.Preferably, the position of other display unit is close proximity to standard display unit, With the error for the penalty coefficient for reducing other display unit, it is ensured that De-Mura treatment effects.
103rd, according to De-Mura penalty coefficient of the other display unit under a brightness degree to it He is handled display unit.
Wherein, De-Mura penalty coefficients refer to can be used for compensating the display parameters of display unit The value of computing, De-Mura penalty coefficients can be correction value or correction factor.Wherein display parameters refer to The data of display unit displayed content are influenceed, the display parameters of the display unit can be display unit Brightness degree, certain display parameters be alternatively the brightness value of display unit, GTG, color component, Driving voltage etc., will not be described here.
, can be by the display unit display parameters before compensation deals when carrying out De-Mura compensation deals Compensated plus penalty coefficient, the display unit display parameters before compensation deals can also be multiplied by this Penalty coefficient is compensated.Can also be with reference to the mode that penalty coefficient carries out De-Mura compensation deals Other types, as long as penalty coefficient is combined in the compensation deals mode to be entered to corresponding display unit Row De-Mura is compensated.
It is preferred that, can also be according to the standard display unit when carrying out De-Mura compensation deals De-Mura penalty coefficients to the display included by the standard display unit or standard display unit Unit carries out De-Mura processing.
The method and device for eliminating display device Mura that embodiments of the invention are provided, applied to aobvious Display screen curtain, wherein display screen include the display unit by matrix distribution, and each display unit is comprising extremely A few pixel cell, obtains at least one standard display unit under a brightness degree first De-Mura penalty coefficients, De-Mura look-up tables comprise at least standard display unit in present intensity etc. The lower corresponding relation with De-Mura penalty coefficients of level, standard display unit is distributed according to default rule In the display screen；Secondly according at least one standard display unit under a brightness degree De-Mura penalty coefficients, and the position of at least one standard display unit and other display unit are closed System, obtains De-Mura penalty coefficient of the other display unit under a brightness degree；Finally according to De-Mura penalty coefficient of the other display unit under a brightness degree enters to other display unit Row processing, the above method according to the De-Mura penalty coefficients of display screen Plays display unit, with And the position relationship between standard display unit and other display unit, obtain other display unit De-Mura penalty coefficients, so that aobvious to other according to the De-Mura penalty coefficients of other display unit Show that unit carries out De-Mura processing, directly obtained from De-Mura look-up tables in the prior art The process of De-Mura penalty coefficients is occupied in De-Mura processing compared with multiple resource, therefore in this implementation In example, on the premise of without the De-Mura penalty coefficients for obtaining other display unit, according to display The De-Mura penalty coefficients of display unit, i.e. standard display unit that sorting takes in the middle part of screen, and The position relationship of standard display unit and other display unit, obtains the De-Mura of other display unit Penalty coefficient.Method in embodiment can in display screen is only obtained a part of display unit On the premise of De-Mura penalty coefficients, to there is no De-Mura penalty coefficients in display screen Display unit carries out De-Mura processing, and De-Mura processing is being carried out to display screen so as to reduce In required for from De-Mura look-up tables directly obtain De-Mura penalty coefficients quantity, and then drop Low De-Mura processing improves De-Mura treatment effeciencies to the occupancy of space resources.
Additionally, due to the region for occurring Mura in screen, gray-value variation is than shallower, according to standard It is single that the penalty coefficient for the other display unit that the penalty coefficient of display unit is calculated with reference to standard display The influence of the penalty coefficient of member, will not cause larger error, it is ensured that De-Mura treatment effect.
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, each matrix of display elements is at least wrapped 1 display unit is included, acquisition standard display unit of being sampled to matrix of display elements.
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.Each display Cell matrix at least includes 1 display unit, and sampling every time is adopted from same matrix of display elements Sample, obtains standard display unit.
Exemplary, the resolution ratio of display screen is M × N (M rows N row), i.e., with M*N Pixel, using K*K pixel as a display unit, then has 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), is sampled from m × n display unit, can also By way of calculating average value, m × n display unit is averaged as standard display unit Value obtains standard display unit.
202nd, De-Mura compensation of at least two standard display units under a brightness degree is obtained Coefficient.
Wherein, at least two standard display units are the sampling from the matrix of display elements in 201 Obtain.Under same brightness degree, respective De-Mura is obtained to each standard display unit and mended Coefficient is repaid, specific example is repeated no more here with reference to above-mentioned steps 101..
203rd, compensated according to De-Mura of at least two standard display units under a brightness degree Coefficient, and at least two standard display units and the position relationship of other display unit, pass through interpolation Method calculates De-Mura penalty coefficient of the other display unit under a brightness degree.
Wherein other display unit is that can determine between standard display unit with position relationship Display unit, the position relationship can be display unit coordinate relation, or display unit away from From position relationship, as long as can be mended according to the De-Mura of the position relationship and standard display unit Coefficient is repaid, the De-Mura penalty coefficients of other display unit is obtained, will not be described here.
Exemplary, other display unit can be located at the connecting line between two standard display units On, can also be between two standard display units on the extended line of connecting line.
Mended by De-Mura of the other display unit described in interpolation calculation under a brightness degree Coefficient is repaid, is according to the De-Mura penalty coefficients and standard display unit of standard display unit and other Position relationship between display unit carries out interpolation calculation.
The position relationship can be the position relationship of standard display unit within display screen, can also For standard display unit and coordinate parameters relation of the other display unit in matrix of display elements, also may be used Think the distance between standard display unit and other display unit parameter and directioin parameter relation, as long as The location parameter can be identified for that the position between standard display unit and other display unit.
Can be nearest by the De-Mura penalty coefficients of other display unit described in interpolation calculation Adjacent interpolation method, bilinear interpolation or bi-cubic interpolation method, as long as can be according to standard display unit Position relationship between De-Mura penalty coefficients and standard display unit and other display unit passes through Corresponding interpolation method obtains the De-Mura penalty coefficients of other display unit.
Exemplary, such as Fig. 3 carries out piecemeal to display screen and obtains an a length of len_ab in one side, The a length of len_ac in another side matrix of display elements, chooses four vertex positions of this matrix of display elements Display unit as standard display unit, respectively standard display unit a, standard display unit b, Standard display unit c, standard display unit d, the De-Mura compensation system of four standard display units Number is respectively v_a, v_b, v_c, v_d, its Plays display unit A and standard display unit B The distance between be for the distance between len_ab, standard display unit A and standard display unit C Len_ac, other display unit E are here it is shown that criterion distance display unit A and standard in cell matrix The distance on side where display unit B is dis_e_ab, and criterion distance display unit A shows single with standard The distance on side is dis_e_ac where first C, by bilinear interpolation, can obtain other by following formula and show Show unit E De-Mura penalty coefficients v_e：
204th, according to De-Mura penalty coefficient of the other display unit under a brightness degree to it He is handled display unit.
Specific example is repeated no more here with reference to above-mentioned steps 103.
It is preferred that, display unit of the De-Mura penalty coefficients comprising line n of standard display unit The De-Mura penalty coefficients of the display unit of De-Mura penalty coefficients and the n-th+k rows；Acquisition standard The De-Mura penalty coefficients of display unit include：Searched by first time reading process in De-Mura The n-th-k and the display unit of line n De-Mura penalty coefficients are read in table；Pass through second Reading process reads the De-Mura compensation of the display unit of the n-th+k rows in De-Mura look-up tables Coefficient.
Because during the De-Mura penalty coefficients of other display unit are obtained, institute's combined standard shows Show that the De-Mura penalty coefficients of unit include the penalty coefficient of two row display units, but due to obtaining mark It is often long the time required to the process of the De-Mura penalty coefficients of quasi- display unit, so aobvious to other Show that unit obtains the De-Mura penalty coefficients for carrying out standard display unit after De-Mura penalty coefficients again Acquisition often causes De-Mura processing delay.Therefore embodiment is being read comprising line n and the The standard display unit De-Mura penalty coefficient processes of n+k row display unit De-Mura penalty coefficients In, by twi-read De-Mura look-up tables, the n-th-k, line n display unit are read for the first time De-Mura penalty coefficients, second reads the De-Mura compensation of the display unit of the n-th+k rows Coefficient, so as to ensure combining the n-th-k rows and the progress of line n display unit De-Mura penalty coefficients After the De-Mura penalty coefficient processes for obtaining other display unit, line n and the can be combined immediately N+k row display unit De-Mura penalty coefficients carry out obtaining next other display unit De-Mura penalty coefficients, so as to avoid because obtaining standard display unit De-Mura penalty coefficients and band The time delay come, and shared space resources during reading De-Mura penalty coefficients is reduced, improve De-Mura treatment effeciencies.Optionally, when line n display unit is the borderline display of display screen During unit, line n display unit De-Mura penalty coefficients are regard as the display unit of the n-th+k rows De-Mura penalty coefficients, thus avoid because display unit De-Mura penalty coefficients cross the border and caused by nothing Method reads the situation of De-Mura coefficients.
It is preferred that, De-Mura penalty coefficients are contrasted according to preset value, wherein preset value is display unit The value of De-Mura penalty coefficients during in the absence of Mura, when De-Mura penalty coefficients are more than preset value When, the brightness to display unit is lifted；It is right when De-Mura penalty coefficients are less than preset value The brightness of display unit is suppressed.Exemplary, when preset value is 1, De-Mura penalty coefficients For 1.3 when, the brightness to display unit is lifted；When preset value is that 1, De-Mura compensates system When number is 0.7, the brightness to 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, generates matrix of display elements, each matrix of display elements is at least to display screen piecemeal first Including 1 display unit, the standard display unit is obtained to matrix of display elements sampling, then obtained Take De-Mura penalty coefficient of at least two standard display units under a brightness degree, Ran Hougen According to De-Mura penalty coefficient of at least two standard display units under a brightness degree, it is obtained His De-Mura penalty coefficient of the display unit under a brightness degree, it is single finally according to other displays De-Mura penalty coefficient of the member under a brightness degree is handled other display unit, above-mentioned Method carries out piecemeal matrix of display elements to display unit, and the mark obtained in matrix of display elements of sampling Quasi- display unit, according to the De-Mura penalty coefficients of display screen Plays display unit, Yi Jibiao Position relationship between quasi- display unit and other display unit, other display unit is obtained by interpolation De-Mura penalty coefficients so that according to the De-Mura penalty coefficients of other display unit to other Display unit carries out De-Mura processing, wherein directly obtaining De-Mura from De-Mura look-up tables The process of penalty coefficient is occupied in De-Mura processing compared with multiple resource, therefore in the present embodiment, On the premise of the De-Mura penalty coefficients for not obtaining other display unit, display screen piecemeal is given birth to Into matrix of display elements, and the sampling acquisition standard display unit in matrix of display elements, so as to obtain The De-Mura penalty coefficients of standard display unit, and combined standard display unit and other display unit Position relationship, the De-Mura penalty coefficients of other display unit are obtained by interpolation method, therefore real Part display in matrix of display elements after display screen piecemeal can only obtained by applying the method in example On the premise of cells D e-Mura penalty coefficients, other lists in matrix of display elements are obtained by interpolation method The De-Mura penalty coefficients of member are simultaneously carried out according to above De-Mura penalty coefficients to other units De-Mura processing, thus reduce to display screen carry out De-Mura processing in required for from The quantity of De-Mura penalty coefficients is directly obtained in De-Mura look-up tables, and then is reduced De-Mura processing improves De-Mura treatment effeciencies to the occupancy of resource；Simultaneously to display screen point Block and acquisition standard display unit of sampling, can avoid because between standard display unit spacing it is excessive make Excessive into the other display unit De-Mura penalty coefficient errors obtained, reduction obtains other displays The complexity of cells D e-Mura penalty coefficients, reduces De-Mura processing to the occupancy of resource, carries High De-Mura treatment effeciencies；And compensated by the De-Mura of interpolation calculation other display unit Coefficient, it is possible to increase the precision of acquired other display unit De-Mura penalty coefficients, improves De-Mura treatment effects, the image quality and display effect for making display screen is lifted.
Shown in reference picture 4, 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, each visualization unit matrix is at least wrapped 1 visualization unit is included, acquisition standard display unit of being sampled to matrix of display elements.
Specific example is repeated no more here with reference to above-mentioned steps 201.
302nd, De-Mura compensation of at least one standard display unit under a brightness degree is obtained Coefficient.
Specific example is repeated no more here with reference to above-mentioned steps 101.
303rd, De-Mura of at least one standard display unit under another brightness degree is obtained to mend Repay coefficient, according at least one standard display unit under a brightness degree with another brightness degree Under De-Mura penalty coefficients, obtain at least one standard display unit under other brightness degrees De-Mura penalty coefficients, other brightness degrees be located at brightness degree and another brightness degree it Between.
Wherein, brightness degree is the measurement to display unit brightness or luminance level, can pass through display The brightness value of unit is represented, naturally it is also possible to pass through the color point of the GTG of display unit, display unit Amount, driving voltage of display unit etc. are represented, as long as it can be used in direct or indirect measurement target Unit brightness or luminance level.
One brightness degree is distributed in the display with another brightness degree according to default rule In the brightness degree of unit, default rule can be completely or partially bright from display unit with certain proportion Spend in grade and sample, or selected at certain intervals from all or part of brightness degree of display unit Take.
Obtain a brightness degree and at least one standard display unit under another brightness degree De-Mura penalty coefficients, be according to corresponding brightness degree, at least one standard display unit according to The secondary De-Mura penalty coefficients for obtaining it under each brightness degree.At least one standard is obtained to show The example of De-Mura penalty coefficient of the unit under a brightness degree referring to above-mentioned steps 101, This is not repeated.
Wherein, at least one standard display unit is obtained in a brightness degree and another brightness degree Between other brightness degrees under De-Mura penalty coefficients, can be aobvious according at least one standard Show De-Mura penalty coefficient of the unit under a brightness degree and another brightness degree and its His brightness degree, is calculated by interpolation method, obtains at least one standard display unit bright at other The De-Mura penalty coefficients spent under grade；Can also show single by least one default standard De-Mura penalty coefficients and other brightness under a first brightness degree and another brightness degree etc. Level under De-Mura penalty coefficients between ratio or difference, with reference to a brightness degree and another De-Mura penalty coefficients and other brightness degrees under brightness degree, obtain at least one standard and show De-Mura penalty coefficient of the unit under other brightness degrees.
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, simultaneously because shadow of the display unit by ambient light under 0 GTG Loud possibility is big, and the De-Mura penalty coefficients default setting of display unit is equal to 1 under 0 GTG. Processing, two adjoining standard grays are compensated when needing the location of pixels to grey decision-making equal to 96 Rank is 64 GTGs and 128 GTGs, according to standard display unit under 64 GTGs and 128 GTGs De-Mura penalty coefficients, row interpolation is entered to the De-Mura penalty coefficients of display unit under 96 GTGs Calculate, obtain the De-Mura penalty coefficients of standard display unit under 96 GTGs.
304th, the De-Mura penalty coefficients according to standard display unit under other brightness degrees, with And at least one described standard display unit and the position relationship of other display unit, obtain other displays De-Mura penalty coefficient of the unit under other brightness degrees.
Wherein, the De-Mura penalty coefficients according to standard display unit under other brightness degrees, are obtained Take De-Mura penalty coefficient of the other display unit under other brightness degrees.Because standard shows single Member with other display unit under other brightness degrees, therefore according to standard display unit De-Mura Penalty coefficient, obtains the example of De-Mura penalty coefficients of other display unit with reference to above-mentioned steps 102, it will not be described here.
305th, according to De-Mura penalty coefficient of the other display unit under other brightness degrees to it He is handled display unit.
Specific example is repeated no more here with reference to above-mentioned steps 103.
It is preferred that, display unit of the De-Mura penalty coefficients comprising line n of standard display unit The De-Mura penalty coefficients of the display unit of De-Mura penalty coefficients and the n-th+k rows；Acquisition standard The De-Mura penalty coefficients of display unit include：Searched by first time reading process in De-Mura The n-th-k and the display unit of line n De-Mura penalty coefficients are read in table；Pass through second Reading process reads the De-Mura compensation of the display unit of the n-th+k rows in De-Mura look-up tables Coefficient.
It is preferred that, De-Mura penalty coefficients are contrasted according to preset value, wherein preset value is display unit Or during in the absence of Mura De-Mura penalty coefficients value, when De-Mura penalty coefficients be more than it is default During value, the brightness to display unit is lifted；When De-Mura penalty coefficients are less than preset value, Brightness to 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, generates matrix of display elements, each matrix of display elements is at least to display screen piecemeal first Including 1 display unit, the standard display unit is obtained to matrix of display elements sampling, then obtained Take De-Mura of at least one standard display unit under a brightness degree and another brightness degree Penalty coefficient, according at least one standard display unit in a brightness degree and another brightness degree Under De-Mura penalty coefficients, obtain at least one described standard display unit in other brightness degrees Under De-Mura penalty coefficients, other described brightness degrees be located at one brightness degree with it is described Between another brightness degree, then according at least one standard display unit under other brightness degrees De-Mura penalty coefficients, and at least one described standard display unit and other display unit Position relationship, obtains De-Mura penalty coefficient of the other display unit under other brightness degrees, most Other are shown according to De-Mura penalty coefficient of the other display unit under other brightness degrees afterwards Unit is handled, and the above method carries out piecemeal matrix of display elements, and acquisition of sampling to display unit Standard display unit and other display unit in matrix of display elements, it is aobvious according to display screen Plays Show De-Mura penalty coefficient of the unit under a brightness degree and another brightness degree, pass through Interpolation method, obtains De-Mura penalty coefficient of the standard display unit under other brightness degrees, then root According to De-Mura penalty coefficient of the standard display unit of acquisition under other brightness degrees, and standard Position relationship between display unit and other display unit, obtains other display unit in other brightness De-Mura penalty coefficients under grade, so that according to other display unit under other brightness degrees De-Mura penalty coefficients carry out De-Mura processing to other display unit, wherein from De-Mura The process that De-Mura penalty coefficients are directly obtained in look-up table occupies more money in De-Mura processing Source, therefore in the present embodiment, in no acquisition standard display unit under other brightness degrees De-Mura penalty coefficients, do not obtain other display unit under other brightness degrees yet On the premise of De-Mura penalty coefficients, matrix of display elements is generated to display screen piecemeal, and aobvious Show sampling acquisition standard display unit in cell matrix, so as to obtain standard display unit in a brightness Grade and the De-Mura penalty coefficients under another brightness degree, with reference to other brightness degrees, standard The position relationship of display unit and other display unit, other display unit is obtained at it by interpolation method De-Mura penalty coefficients under his brightness degree, therefore method in embodiment can only obtain aobvious Show after screen block that a part of display unit is under a part of brightness degree in matrix of display elements On the premise of De-Mura penalty coefficients, other units in matrix of display elements are obtained by interpolation method and existed De-Mura penalty coefficients under other brightness degrees, and according to above De-Mura penalty coefficients to it He carries out De-Mura processing by unit, so as to reduce in De-Mura processing is carried out to display screen The quantity of De-Mura penalty coefficients is directly obtained in the required look-up table from De-Mura, and then is reduced De-Mura processing improves De-Mura treatment effeciencies to the occupancy of resource；Simultaneously to display screen Piecemeal and sample acquisition standard display unit and other display unit, can be avoided because of standard display unit It is excessive and cause other display unit De-Mura penalty coefficient error mistakes with other display unit spacing Greatly, reduction obtains the complexity of other display unit De-Mura penalty coefficients, reduces De-Mura The occupancy to resource is handled, De-Mura treatment effeciencies are improved；And it is aobvious by interpolation calculation standard Show De-Mura penalty coefficient of the unit under other brightness degrees, it is possible to increase acquired standard is shown The precision of unit De-Mura penalty coefficients under other brightness degrees, and then improve other display unit The precision of De-Mura penalty coefficients under other brightness degrees, improves De-Mura treatment effects, makes The image quality of display screen is lifted with display effect.
Embodiments of the invention provide a kind of elimination display device Mura devices, for implementing above-mentioned disappear Except display device Mura method, include pressing matrix applied to the wherein described display screen of display screen The display unit of distribution, wherein each display unit includes at least one pixel cell, the institute of reference picture 5 Show, the device includes：
Processing unit 51, for obtaining at least one standard display unit under a brightness degree De-Mura penalty coefficients, De-Mura look-up tables comprise at least standard display unit in present intensity etc. The lower corresponding relation with De-Mura penalty coefficients of level, standard display unit is distributed according to default rule In the display screen；According at least one standard display unit under a brightness degree De-Mura penalty coefficients, obtain De-Mura compensation of the other display unit under a brightness degree Coefficient；
Compensating unit 52, for the De-Mura according to other display unit under a brightness degree Penalty coefficient, and at least one described standard display unit and the position relationship of other display unit, Other display unit is handled.
The device 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, obtains De-Mura of at least one standard display unit under a brightness degree and mends first Repay coefficient, De-Mura look-up tables comprise at least standard display unit under current brightness level with The corresponding relation of De-Mura penalty coefficients, standard display unit is distributed in described aobvious according to default rule In display screen curtain；Secondly according to De-Mura of at least one standard display unit under a brightness degree Penalty coefficient, and at least one described standard display unit and the position relationship of other display unit, Obtain De-Mura penalty coefficient of the other display unit under a brightness degree；Finally according to other De-Mura penalty coefficient of the display unit under a brightness degree to other display unit progress at Reason, the above method is according to the De-Mura penalty coefficients of display screen Plays display unit, Yi Jibiao Position relationship between quasi- display unit and other display unit, obtains other display unit De-Mura penalty coefficients, so that aobvious to other according to the De-Mura penalty coefficients of other display unit Show that unit carries out De-Mura processing, wherein directly obtaining De-Mura from De-Mura look-up tables The process of penalty coefficient is occupied in De-Mura processing compared with multiple resource, therefore in the present embodiment, On the premise of the De-Mura penalty coefficients for not obtaining other display unit, in the middle part of display screen The De-Mura penalty coefficients of the display unit, i.e. standard display unit that take are sorted, and standard is shown The position relationship of unit and other display unit, obtains the De-Mura compensation system of other display unit Number.Method in embodiment can be mended a part of display unit De-Mura in display screen is only obtained On the premise of repaying coefficient or only obtaining the relatively low De-Mura penalty coefficients of display screen resolution, to aobvious The display unit that there is no De-Mura penalty coefficients in display screen curtain carries out De-Mura processing, so that Reduce direct from De-Mura look-up tables required for carrying out in De-Mura processing to display screen The quantity of De-Mura penalty coefficients is obtained, and then reduces De-Mura processing to the occupancy of resource, De-Mura treatment effeciencies are improved, the image quality and display effect for making display screen are lifted.
Specifically, processing unit 51 is bright at one specifically for obtaining at least two standard display units The De-Mura penalty coefficients spent under grade；According at least two standard display units in brightness etc. De-Mura penalty coefficients under level, and at least two standards display unit and other display lists The position relationship of member, by other display unit described in interpolation calculation under a brightness degree De-Mura penalty coefficients.
De-Mura penalty coefficient of at least two standard display units under a brightness degree is obtained, And obtained De-Mura penalty coefficients are combined, by interpolation calculation other display unit at one De-Mura penalty coefficients under brightness degree, are inserted wherein can first carry out brightness interpolating and carry out position again Value, can also advanced line position put interpolation and carry out luminance difference again, it is possible to increase other acquired displays are single The precision of first De-Mura penalty coefficients, improves De-Mura treatment effects, makes the image quality of display screen Lifted with display effect.
Further, processing unit 51 is additionally operable to processing unit, is additionally operable to obtain at least one standard De-Mura penalty coefficient of the display unit under another brightness degree；It is aobvious according at least one standard Show that De-Mura penalty coefficient and at least one standard display of the unit under a brightness degree are single De-Mura penalty coefficient of the member under another brightness degree, obtains at least one standard display unit De-Mura penalty coefficients under other brightness degrees, other brightness degrees are located at a brightness degree Between another brightness degree；According at least one standard display unit under other brightness degrees De-Mura penalty coefficients, and at least one described standard display unit and other display unit position Relation is put, De-Mura penalty coefficient of the other display unit under other brightness degrees is obtained.
Wherein, system is compensated in the De-Mura without acquisition standard display unit under other brightness degrees Number, is not obtained before De-Mura penalty coefficients of the other display unit under other brightness degrees yet Put, obtain De-Mura of the standard display unit under a brightness degree and another brightness degree Penalty coefficient, and combine above-mentioned two brightness degree and other brightness degrees, standard display unit and its The position relationship parameter of his display unit, obtains other display unit under other brightness degrees De-Mura penalty coefficients, so as to only obtain display screen in a part of display unit at one De-Mura penalty coefficients or the relatively low De-Mura of display screen resolution is only obtained under point brightness degree On the premise of penalty coefficient, other units are under other brightness degrees in acquisition matrix of display elements De-Mura penalty coefficients, so as to reduce required for carrying out in De-Mura processing to display screen The total quantity of De-Mura penalty coefficients, reduces occupancy of the De-Mura processing to resource, improves De-Mura treatment effeciencies.
Further, shown in reference picture 6, the device also includes piecemeal sampling unit 53, for institute Display screen piecemeal generation matrix of display elements is stated, each matrix of display elements at least includes 1 display Unit.
Piecemeal sampling unit 53 is additionally operable to show the matrix of display elements sampling acquisition standard Unit, other display unit.
Further, processing unit 51 is additionally operable to by first time reading process in the De-Mura The De-Mura penalty coefficients of the n-th-k and the display unit of line n are read in look-up table；It is logical Cross the display unit that second of reading process reads in the De-Mura look-up tables the n-th+k rows De-Mura penalty coefficients.
The De-Mura penalty coefficients of at least one standard display unit include the display list of line n The De-Mura penalty coefficients of the De-Mura penalty coefficients of member and the display unit of the n-th+k rows.
Further, compensating unit 52 specifically for when De-Mura penalty coefficients be more than preset value when, Display unit brightness is lifted；It is single to display when De-Mura penalty coefficients are less than preset value First brightness is suppressed.Wherein preset value is the value of penalty coefficient when Mura is not present in display unit.
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 method and device for eliminating display device Mura that embodiments of the invention are provided, applied to aobvious Display screen curtain, wherein display screen include the display unit by matrix distribution, and each display unit is comprising extremely A few pixel cell, obtains at least one standard display unit under a brightness degree first De-Mura penalty coefficients, De-Mura penalty coefficients are to combine 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 standard display unit With the corresponding relation of De-Mura penalty coefficients under current brightness level, standard display unit is according to pre- If rule is distributed in the display screen；Secondly it is bright at one according at least one standard display unit The De-Mura penalty coefficients spent under grade, and at least one described standard display unit show with other Show the position relationship of unit, obtain De-Mura compensation of the other display unit under a brightness degree Coefficient；Finally according to De-Mura penalty coefficient of the other display unit under a brightness degree to it He is handled display unit, and the above method is according to the De-Mura of display screen Plays display unit Position relationship between penalty coefficient, and standard display unit and other display unit, obtains other The De-Mura penalty coefficients of display unit, so as to compensate system according to the De-Mura of other display unit It is several that De-Mura processing is carried out to other display unit, wherein directly being obtained from De-Mura look-up tables The process of De-Mura penalty coefficients is occupied in De-Mura processing compared with multiple resource, therefore in this implementation In example, on the premise of without the De-Mura penalty coefficients for obtaining other display unit, according to display The De-Mura penalty coefficients of display unit, i.e. standard display unit that sorting takes in the middle part of screen, and The position relationship of standard display unit and other display unit, obtains the De-Mura of other display unit Method in penalty coefficient, therefore embodiment can in display screen is only obtained a part of display unit De-Mura penalty coefficients are only obtained before the relatively low De-Mura penalty coefficients of display screen resolution Putting, De-Mura is carried out to there is no the display unit of De-Mura penalty coefficients in display screen Processing, so as to reduce required for carrying out in De-Mura processing to display screen from De-Mura The quantity of De-Mura penalty coefficients is directly obtained in look-up table, and then reduces De-Mura processing pair The occupancy of resource, improves De-Mura treatment effeciencies, 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：
At least one standard display unit is searched in default De-Mura look-up tables in brightness etc. Corresponding De-Mura penalty coefficients under level, the De-Mura look-up tables exist comprising standard display unit With the corresponding relation of De-Mura penalty coefficients under current brightness level, the standard display unit is according to pre- If rule is distributed in the display screen；
According at least one described standard display unit, corresponding De-Mura is mended under a brightness degree Coefficient, and at least one described standard display unit and the position relationship of other display unit are repaid, is obtained De-Mura penalty coefficient of the other display unit under same brightness degree；
According to De-Mura penalty coefficient of the other display unit under same brightness degree to institute Other display unit is stated to be handled.
2. the method according to claim 1 for eliminating display device Mura, it is characterised in that institute State and obtain De-Mura penalty coefficient of at least one standard display unit under a brightness degree and include：
Obtain De-Mura penalty coefficient of at least two standard display units under a brightness degree；
At least one standard display unit is corresponding under a brightness degree described in the basis De-Mura penalty coefficients, and at least one described standard display unit and other display unit position Relation, obtains De-Mura penalty coefficient of the other display unit under same brightness degree, including：
System is compensated according to De-Mura of at least two standards display unit under a brightness degree Number, and at least two standards display unit and the position relationship of other display unit, pass through interpolation Method calculates De-Mura penalty coefficient of the other display unit under a brightness degree.
3. the method according to claim 1 for eliminating display device Mura, it is characterised in that
Methods described also includes：At least one described standard display unit is obtained under another brightness degree De-Mura penalty coefficients；
System is compensated according to De-Mura of at least one the described standard display unit under a brightness degree De-Mura compensation system of at least one the several and described standard display unit under another brightness degree Number, obtains De-Mura compensation system of at least one the described standard display unit under other brightness degrees Number, other described brightness degrees are located between one brightness degree and another described brightness degree；
System is compensated according to De-Mura of at least one the described standard display unit under other brightness degrees Number, and at least one described standard display unit and the position relationship of other display unit, obtain other De-Mura penalty coefficient of the display unit under other brightness degrees.
4. the method according to claim 1 for eliminating display device Mura, it is characterised in that institute State before obtaining De-Mura penalty coefficients of at least one standard display unit under a brightness degree, Also include：
Matrix of display elements is generated to the display screen piecemeal, each matrix of display elements at least includes 1 Individual display unit；
The standard display unit is obtained to matrix of display elements sampling.
5. the method according to claim 1 for eliminating display device Mura, it is characterised in that institute State display unit of the De-Mura penalty coefficients comprising line n of at least one standard display unit The De-Mura penalty coefficients of the display unit of De-Mura penalty coefficients and the n-th+k rows；
The De-Mura penalty coefficients for obtaining at least one standard display unit, including：
N-th-the k and n-th is read in the De-Mura look-up tables by first time reading process The De-Mura penalty coefficients of capable display unit；
The display list of the n-th+k rows is read in the De-Mura look-up tables by second of reading process The De-Mura penalty coefficients of member.
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 display unit progress processing is included according to De-Mura penalty coefficients：
When the De-Mura penalty coefficients are more than preset value, the display unit brightness is carried Rise；
When the De-Mura penalty coefficients are less than preset value, the 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：
Processing unit, for obtaining at least one standard display unit under a brightness degree De-Mura penalty coefficients, the De-Mura look-up tables comprise at least standard display unit in present intensity With the corresponding relation of De-Mura penalty coefficients under grade, the standard display unit is according to default rule point It is distributed in the display screen；According at least one described standard display unit under a brightness degree De-Mura penalty coefficients, obtain De-Mura compensation system of the other display unit under a brightness degree Number；
Compensating unit, for the De-Mura according to the other display unit under a brightness degree Penalty coefficient, and at least one described standard display unit and the position relationship of other display unit, it is right The other display unit is handled.
8. elimination display device Mura devices according to claim 7, it is characterised in that
The processing unit, specifically for obtaining at least two standard display units under a brightness degree De-Mura penalty coefficients；According at least two standards display unit under a brightness degree De-Mura penalty coefficients, and at least two standards display unit and other display unit position Relation, is compensated by De-Mura of the other display unit described in interpolation calculation under a brightness degree Coefficient.
9. elimination display device Mura devices according to claim 7, it is characterised in that
The processing unit, is additionally operable to obtain at least one described standard display unit in another brightness etc. De-Mura penalty coefficients under level；According at least one described standard display unit in a brightness degree Under De-Mura penalty coefficients and at least one described standard display unit in another brightness degree Under De-Mura penalty coefficients, obtain at least one described standard display unit under other brightness degrees De-Mura penalty coefficients, other described brightness degrees be located at one brightness degree with it is described another Between individual brightness degree；According at least one described standard display unit under other brightness degrees De-Mura penalty coefficients, and at least one described standard display unit and other display unit position Relation, obtains De-Mura penalty coefficient of the other display unit under other brightness degrees.
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, each display to the display screen piecemeal Cell matrix at least includes 1 display unit；
The standard display unit is obtained to matrix of display elements sampling.
11. elimination display device Mura devices according to claim 7, it is characterised in that institute State display unit of the De-Mura penalty coefficients comprising line n of at least one standard display unit The De-Mura penalty coefficients of the display unit of De-Mura penalty coefficients and the n-th+k rows；
The processing unit is additionally operable to read in the De-Mura look-up tables by first time reading process Take the De-Mura penalty coefficients of the n-th-k and the display unit of line n；
The display list of the n-th+k rows is read in the De-Mura look-up tables by second of reading process The De-Mura penalty coefficients of member.
12. the elimination display device Mura devices according to any one of claim 7-11, it is special Levy and be, compensating unit is specifically for when the De-Mura penalty coefficients are more than preset value, to display Unit brightness is lifted；It is single to the display when the De-Mura penalty coefficients are less than preset value First brightness is suppressed.
13. a kind of display device, it is characterised in that including：Display screen, and such as claim Elimination display device Mura devices described in any one of 7-12.
CN201610140183.6A 2016-03-11 2016-03-11 A kind of method for eliminating display device Mura, elimination display device Mura devices and display device Pending CN107180605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610140183.6A CN107180605A (en) 2016-03-11 2016-03-11 A kind of method for eliminating display device Mura, elimination display device Mura devices and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610140183.6A CN107180605A (en) 2016-03-11 2016-03-11 A kind of method for eliminating display device Mura, elimination display device Mura devices and display device

Publications (1)

Publication Number Publication Date
CN107180605A true CN107180605A (en) 2017-09-19

Family

ID=59830115

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610140183.6A Pending CN107180605A (en) 2016-03-11 2016-03-11 A kind of method for eliminating display device Mura, elimination display device Mura devices and display device

Country Status (1)

Country Link
CN (1) CN107180605A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN108538264A (en) * 2018-04-04 2018-09-14 深圳市华星光电技术有限公司 The mura compensation methodes of display panel and device
CN108694912A (en) * 2018-05-03 2018-10-23 深圳市华星光电技术有限公司 The method for eliminating backlight Mura
CN108877740A (en) * 2018-07-25 2018-11-23 昆山国显光电有限公司 Obtain method, apparatus, computer equipment and the storage medium of Mura offset data
WO2020019487A1 (en) * 2018-07-24 2020-01-30 深圳市华星光电半导体显示技术有限公司 Mura compensation method and mura compensation system
CN110827745A (en) * 2019-12-26 2020-02-21 武汉天马微电子有限公司 Display panel and pixel compensation data generation method and device thereof
CN112150972A (en) * 2019-06-28 2020-12-29 华为技术有限公司 Image compensation method and device and display device
CN114416003A (en) * 2021-12-30 2022-04-29 海宁奕斯伟集成电路设计有限公司 Screen correction method and device and electronic equipment
CN114582268A (en) * 2022-04-28 2022-06-03 武汉精立电子技术有限公司 Method, device and equipment for calculating Demura compensation parameters
WO2022194182A1 (en) * 2021-03-19 2022-09-22 北京芯海视界三维科技有限公司 Optical compensation method and apparatus for light-emitting device, and compensation equipment
WO2023010625A1 (en) * 2021-08-02 2023-02-09 Tcl华星光电技术有限公司 Brightness compensation look-up table generation method and apparatus for display apparatus, and display apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090135211A1 (en) * 2007-11-26 2009-05-28 Tpo Displays Corp. Image displaying system and method for eliminating mura defect
CN104157256A (en) * 2014-06-09 2014-11-19 友达光电股份有限公司 Liquid crystal display and compensation method for display picture thereof
KR20150078838A (en) * 2013-12-31 2015-07-08 엘지디스플레이 주식회사 Mura compensation method and display device using the same
CN104992657A (en) * 2015-07-27 2015-10-21 京东方科技集团股份有限公司 Mura compensation module and method, display device and method
CN105070273A (en) * 2015-09-02 2015-11-18 深圳市华星光电技术有限公司 Mura area brightness compensation method and Mura pixel point brightness design method
CN105206239A (en) * 2015-10-16 2015-12-30 深圳市华星光电技术有限公司 Mura phenomenon compensation method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090135211A1 (en) * 2007-11-26 2009-05-28 Tpo Displays Corp. Image displaying system and method for eliminating mura defect
KR20150078838A (en) * 2013-12-31 2015-07-08 엘지디스플레이 주식회사 Mura compensation method and display device using the same
CN104157256A (en) * 2014-06-09 2014-11-19 友达光电股份有限公司 Liquid crystal display and compensation method for display picture thereof
CN104992657A (en) * 2015-07-27 2015-10-21 京东方科技集团股份有限公司 Mura compensation module and method, display device and method
CN105070273A (en) * 2015-09-02 2015-11-18 深圳市华星光电技术有限公司 Mura area brightness compensation method and Mura pixel point brightness design method
CN105206239A (en) * 2015-10-16 2015-12-30 深圳市华星光电技术有限公司 Mura phenomenon compensation method

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108377386B (en) * 2018-01-31 2020-03-17 四川长虹电器股份有限公司 De-Mura method for complete liquid crystal display television
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
CN108538264A (en) * 2018-04-04 2018-09-14 深圳市华星光电技术有限公司 The mura compensation methodes of display panel and device
CN108538264B (en) * 2018-04-04 2020-06-30 深圳市华星光电技术有限公司 Mura compensation method and device of display panel
CN108694912A (en) * 2018-05-03 2018-10-23 深圳市华星光电技术有限公司 The method for eliminating backlight Mura
CN108694912B (en) * 2018-05-03 2019-07-02 深圳市华星光电技术有限公司 The method for eliminating backlight Mura
WO2019210641A1 (en) * 2018-05-03 2019-11-07 深圳市华星光电技术有限公司 Method for eliminating backlight mura
WO2020019487A1 (en) * 2018-07-24 2020-01-30 深圳市华星光电半导体显示技术有限公司 Mura compensation method and mura compensation system
CN108877740B (en) * 2018-07-25 2020-09-22 昆山国显光电有限公司 Method and device for acquiring Mura compensation data, computer equipment and storage medium
CN108877740A (en) * 2018-07-25 2018-11-23 昆山国显光电有限公司 Obtain method, apparatus, computer equipment and the storage medium of Mura offset data
US11170680B2 (en) 2018-07-25 2021-11-09 Kunshan Go-Visionox Opto-Electronics Co., Ltd. Method and apparatus for acquiring Mura compensation data, computer device and storage medium
CN112150972A (en) * 2019-06-28 2020-12-29 华为技术有限公司 Image compensation method and device and display device
CN112150972B (en) * 2019-06-28 2022-05-06 华为技术有限公司 Image compensation method and device and display device
CN110827745A (en) * 2019-12-26 2020-02-21 武汉天马微电子有限公司 Display panel and pixel compensation data generation method and device thereof
CN110827745B (en) * 2019-12-26 2022-06-14 武汉天马微电子有限公司 Display panel and pixel compensation data generation method and device thereof
WO2022194182A1 (en) * 2021-03-19 2022-09-22 北京芯海视界三维科技有限公司 Optical compensation method and apparatus for light-emitting device, and compensation equipment
WO2023010625A1 (en) * 2021-08-02 2023-02-09 Tcl华星光电技术有限公司 Brightness compensation look-up table generation method and apparatus for display apparatus, and display apparatus
CN114416003A (en) * 2021-12-30 2022-04-29 海宁奕斯伟集成电路设计有限公司 Screen correction method and device and electronic equipment
CN114582268A (en) * 2022-04-28 2022-06-03 武汉精立电子技术有限公司 Method, device and equipment for calculating Demura compensation parameters
CN114582268B (en) * 2022-04-28 2022-07-08 武汉精立电子技术有限公司 Method, device and equipment for calculating Demura compensation parameters

Similar Documents

Publication Publication Date Title
CN107180605A (en) A kind of method for eliminating display device Mura, elimination display device Mura devices and display device
CN109036245B (en) Display processing method and device, integrated circuit and computer storage medium
CN107180616A (en) A kind of method for eliminating display device Mura, elimination display device Mura devices and display device
CN105244007B (en) A kind of generation method and device of the grayscale correction chart of camber display screen
CN108648700B (en) Dynamic dimming display control method and device for backlight source
CN107644410B (en) Image processing method, image processing apparatus, image processing system, and display apparatus
CN107221306B (en) The method, apparatus and display equipment of brightness of image in correction splicing device screen
US20210158766A1 (en) Driving method, driving apparatus, display device and computer readable medium
CN104715731B (en) Screen brightness adjustment method and device and liquid crystal display device
US10809570B2 (en) Method for acquiring backlight diffusion transmission parameter, display control method and display control device
CN104751807B (en) Method and device for regulating backlight brightness and liquid crystal display device
CN108766372B (en) Method for improving mura phenomenon of display panel
CN105047145A (en) Backlight brightness control method, backlight brightness control device and display terminal
CN110085166A (en) The speck compensation method of curve screens and device
TWI525604B (en) Apparatus and method for image analysis and image display
CN106454303B (en) RGBW image processing methods and device
US20080191985A1 (en) Image correction method and image display device
CN107682682A (en) A kind of chromaticity coordinates of automatic correction display screen and the method and relevant device of brightness
CN113724652B (en) Compensation method and device for Mura of OLED display panel and readable medium
CN108492772A (en) A kind of Gamma adjusting methods and Gamma regulating systems
CN107895566A (en) It is a kind of that two-step method is compensated based on the liquid crystal pixel of S curve and logarithmic curve
CN105632407B (en) A kind of display adjusting method and mobile terminal of AMOLED display screens
CN109243384A (en) Show equipment and its driving method, driving device and computer-readable medium
CN109272945B (en) Backlight correction method and device for display screen and computer readable storage medium
CN106412549A (en) Image brightness adjustment method and apparatus

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218

Applicant after: Hisense Video Technology Co., Ltd

Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No.

Applicant before: HISENSE ELECTRIC Co.,Ltd.

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170919