CN107342064A - The grey decision-making compensation method of display panel, system and display panel - Google Patents
The grey decision-making compensation method of display panel, system and display panel Download PDFInfo
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- CN107342064A CN107342064A CN201710770590.XA CN201710770590A CN107342064A CN 107342064 A CN107342064 A CN 107342064A CN 201710770590 A CN201710770590 A CN 201710770590A CN 107342064 A CN107342064 A CN 107342064A
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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
- G09G3/3607—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
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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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
Abstract
The invention discloses grey decision-making compensation method, system and the display panel of display panel, wherein display panel grey decision-making compensation method includes：Image of the display panel at least one grey menu is obtained, and the gray scale compensation numerical value of multiple pixels and the position data corresponding with multiple pixels on display panel are obtained according to image.Judge in multiple pixels with the presence or absence of the one or more pixel groups being made up of gray scale compensation numerical value identical pixel, or meet one or more pixel groups that the pixel in the range of first threshold formed by gray scale compensation numerical value identical pixel and with the gray scale compensation numerical difference of gray scale compensation numerical value identical pixel, if in the presence of, at least one gray scale compensation numerical value of each pixel groups and the position data corresponding with each pixel in pixel groups are then recorded, to be compensated to display panel.By the above-mentioned means, the present invention can effectively improve the bright dark uniformity of display panel.
Description
Technical field
The present invention relates to display technology field, more particularly to grey decision-making compensation method, system and the display of display panel
Panel.
Background technology
Existing display panel, such as brightness of the LCD under pure white picture are presented to correspond with grey decision-making and closed
System's (be referred to as gamma), such as brightness is most bright under 255 grey menus of 8bit LCDs, brightness is most under 0 grey menu
Secretly；Due to factors such as the property differences between the skew in LCD processing procedure, liquid crystal molecule, LCD can be caused in fixed ash
Under rank picture, the brightness of each regional location has differences, and forms mura phenomenons, i.e., bright, dark inequality.
According to brightness and the one-to-one relationship of grey decision-making, the entirety of LCD can be improved by compensating grey decision-making
Bright, dark homogeneity.The mura compensation functions design of existing display panel, is all that each picture is calculated by linear interpolation method
Offset data of the element under corresponding grey menu.Linear interpolation is a relatively coarse calculation, each picture calculated
The mura offset datas of element are inaccurate, and the mura especially in the LCD is very tiny, Huo Zheliang, dark changing condition compared with
Complexity, then the gray scale compensation value actually required with pixel have larger difference, the mura compensation effects of LCD do not reach most preferably,
When the original Mura situations between summit are non-linear in most cases, then the effect after linear interpolation compensation does not reach bright
Degree is consistent.
The content of the invention
The present invention solves the technical problem of grey decision-making compensation method, system and the display surface for providing display panel
Plate, it can solve the problem that the problem of existing display panel brightness unevenness is even.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of grey decision-making compensation method of display panel, including
Following steps：
Image of the display panel at least one grey menu is obtained, and the display surface is obtained according to described image
The gray scale compensation numerical value of multiple pixels and the position data corresponding with the multiple pixel on plate；
Judge one or more formed in the multiple pixel with the presence or absence of the gray scale compensation numerical value identical pixel
Individual pixel groups, or the gray scale compensation numerical value identical pixel and the GTG with the gray scale compensation numerical value identical pixel
Compensation numerical difference meets one or more pixel groups that the pixel in the range of first threshold is formed；
If in the presence of, record each pixel groups at least one gray scale compensation numerical value and with the pixel groups
In each corresponding position data of pixel, to utilize the gray scale compensation numerical value recorded and its corresponding institute's rheme
Data are put to compensate the display panel.
The embodiment of the present invention also provides a kind of grey decision-making compensation method of display panel, comprises the following steps：
Obtain gray scale compensation numerical value and its corresponding position of the display panel in the image of at least one grey menu
Data, corresponding at least two position datas of gray scale compensation numerical value described in wherein at least one, at least two position
The gray scale compensation numerical value of pixel is identical corresponding to data difference；Or at least one described gray scale compensation numerical value is corresponding extremely
Few three position datas, at least three position data respectively corresponding in pixel at least two pixels it is described
Gray scale compensation numerical value is identical and the ash of at least one pixel and at least two pixels described in the gray scale compensation numerical value identical
Rank compensates numerical difference in the range of first threshold；
At least one gray scale compensation numerical value is distributed to the described at least two corresponding position datas
Or at least three position data, and then obtain and at least two position data or at least three positional number
Data bulk identical gray scale compensation numerical value；Utilize the gray scale compensation numerical value after distribution and its corresponding position data pair
The display panel carries out gray scale compensation.
The present invention implements also to provide the grey decision-making compensation system of display panel a kind of, including capture apparatus, computing terminal, aobvious
Show panel.Wherein described capture apparatus is used to form image of the display panel under at least one grey menu.The meter
Terminal is calculated to be used to obtain by the display panel that the capture apparatus is formed in the image of at least one grey menu, and root
The gray scale compensation numerical value of multiple pixels and position corresponding with the multiple pixel on the display panel are obtained according to described image
Put data；And judge one or more formed in the multiple pixel with the presence or absence of the gray scale compensation numerical value identical pixel
Individual pixel groups, or the gray scale compensation numerical value identical pixel and the GTG with the gray scale compensation numerical value identical pixel
Compensation numerical difference meets one or more pixel groups that the pixel in the range of first threshold is formed；If in the presence of described in record
At least one gray scale compensation numerical value of pixel groups and the position data corresponding with each pixel in the pixel groups.
Wherein, the display panel obtains and reads at least one gray scale compensation of the computing terminal record
Numerical value and the position data corresponding with each pixel in the pixel groups, to carry out gray scale compensation.
The embodiment of the present invention also provides a kind of display panel, the display panel GTG provided using the embodiments of the present invention
Value complement compensation method carries out gray scale compensation.
Compared with prior art, the beneficial effects of the invention are as follows：By in a plurality of pixels by the pixel of identical numerical value, or
Person's same gray level compensates the pixel of numerical value and compensates the numerical difference of magnitude pixels in the range of first threshold with the same gray level
Pixel only record at least one gray scale compensation numerical value and position data corresponding with the multiple pixel, it is not necessary to profit
Compensated with linear difference is rough, gray scale compensation precision can be effectively improved, with can be to more when carrying out gray scale compensation
Individual pixel carries out more accurately gray scale compensation, improve interval selection pixel in the prior art carry out linear interpolation and caused by
The problems such as offset data is inaccurate, and compensation effect is coarse, can effectively improve the bright dark uniformity of the display panel.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the embodiment of grey decision-making compensation method one of display panel of the present invention；
Fig. 2 is the schematic flow sheet of the embodiment of grey decision-making compensation method two of display panel of the present invention；
Fig. 3 is the grey decision-making compensation system embodiment schematic flow sheet of display panel of the present invention；
Fig. 4 is the structural representation of display panel embodiment of the present invention.
Embodiment
Refering to Fig. 1, the embodiment of grey decision-making compensation method one of display panel of the present invention comprises the following steps：
S11：Image of the display panel at least one grey menu is obtained, and described show is obtained according to described image
Show the gray scale compensation numerical value of multiple pixels on panel and the position data corresponding with the multiple pixel.
Optionally, obtain whole pixels of the display panel the gray scale compensation numerical value of at least one picture and with
The corresponding position data of whole pixels.
In the present embodiment, by the display panel at least one grey menu image for example by wire transmission,
It is wirelessly transferred and is either transferred to by storage device or storage medium in computing terminal such as computer, the computing terminal fortune
The corresponding DAS of row or program such as Matlab carry out analysis calculating, so as to obtain the GTG of the multiple pixel
Compensate numerical value and its position data.
Optionally, the display panel at least one grey menu image can by capture apparatus such as camera, take the photograph
Shadow machine, mobile phone, flat board shooting such as scanning device are formed by optical scanner, and the resolution ratio of the capture apparatus is more than
Or the resolution ratio equal to the display panel, accurately to draw the ash of multiple pixels of the display panel or whole pixels
Rank is worth.Optionally, the capture apparatus can be ccd sensor or cmos sensor, can also be other sensors.
Optionally, the image of the different grey menu of the display panel at least three can be obtained, such as shooting is arbitrarily
Three or shooting are from the images of low GTG three different grey menus into high gray：Low GTG, middle GTG, high gray are each
One, such as 8bit panel includes 256 grey menus, it is low shade of gray that can define 0~85, and 86~171 be middle GTG
Degree, 171~255 be high gray degree, and a grey menu is respectively chosen in the range of above three shade of gray and is shot, shade of gray
Division scope can have a variety of, and certainly, its light and shade degree of irregularity of selected grey menu is then more representative than more serious.
Multiple pixels or whole pictures on the display panel are obtained according to the image of three different grey menus
The gray scale compensation numerical value of the corresponding each grey menu image of element and the position data, such as with the display panel
A region, such as the brightness of central area on the basis of, analysis calculates the luminance difference of other regions and the central area
Corresponding GTG difference is conversed, as (wherein, the gray scale compensation value of the pixel of the central area can for gray scale compensation numerical value
To be considered 0), each pixel has its corresponding position, as position data in the display panel, such as is converted to battle array
The formal notation position of row or matrix.In the present embodiment, can be described accordingly by least one grey menu
Gray scale compensation numerical value and the position data compensate to the panel, can also first pass through at least one GTG and draw
The gray scale compensation numerical value obtains the gray scale compensation tree value of other grey menus accordingly in face, for example, can according to it is described extremely
The image of few three different grey menus obtains the corresponding GTG of grey menus different from this described at least three respectively
Numerical value is compensated, and the position data, gray scale compensation numerical value corresponding to other grey menus can be according to described at least three
The gray scale compensation numerical value of different grey menus is obtained by way of linear interpolation or curve matching.
S12：Judge in the multiple pixel with the presence or absence of one be made up of the gray scale compensation numerical value identical pixel
Individual or multiple pixel groups, or by the gray scale compensation numerical value identical pixel and with the gray scale compensation numerical value identical picture
The gray scale compensation numerical difference of element meets one or more pixel groups that the pixel in the range of first threshold is formed, if in the presence of,
At least one gray scale compensation numerical value of each pixel groups of record and corresponding with each pixel in the pixel groups
The position data.
Specifically, judge to whether there is the gray scale compensation numerical value identical pixel, those GTGs in the multiple pixel
The pixel of compensation numerical value, which can form, has 3 pixel groups, 3 pictures in one or more pixel groups, such as the multiple pixel
The gray scale compensation numerical value of element group record is respectively 10,13,50.Or judge to mend with the presence or absence of the GTG in the multiple pixel
Repay numerical value identical pixel and meet with the gray scale compensation numerical difference of the gray scale compensation magnitude pixels in the range of first threshold
Pixel, those pixels, which can form, has 3 pixel groups, 3 pixels in one or more pixel groups, such as the multiple pixel
The gray scale compensation numerical value of group record is 10,13,15, such as the gray scale compensation numerical value of record is in 10 pixel groups, includes 103
Individual gray scale compensation numerical value is 10 pixel, and meets first threshold scope example with the gray scale compensation numerical difference of 103 pixels
Such as be 2 multiple pixels, such as including gray scale compensation numerical value be 9,11,12 97 pixels.Namely the pixel groups include institute
State gray scale compensation numerical value identical pixel, or including the gray scale compensation numerical value identical pixel and with the gray scale compensation
Pixel of the gray scale compensation numerical difference of numerical value identical pixel in the range of the first threshold.Certainly, in other embodiments,
The gray scale compensation numerical value identical pixel and with the numerical difference of the gray scale compensation numerical value identical pixel described first
Pixel in threshold range can be separately recorded in different pixel groups.
Optionally, the pixel of other non-pixel groups can individually or non-individual records its gray scale compensation number
Value and its corresponding position data.If the pixel groups are not present, the multiple pixel can individually or non-list
Solely record its gray scale compensation numerical value and its corresponding position data.
By taking UD resolution ratio (3840*2160) LCD as an example, such as the gray scale compensation numerical value model in some grey menu
Enclose for -20~+25, altogether only 46 groups of compensation numerical value, but whole LCD but has 3840*2160 pixel, then averagely has
The gray scale compensation numerical value of 180000 pixels is that identical either meets first threshold scope (each location of pixels is different), then
And 180,000 identical compensation numerical value need not be recorded, single compensation numerical value can be used to add the position data of respective pixel
Gray scale compensation is carried out to the LCD.
Optionally, in the present embodiment, in the present embodiment, meet that first threshold scope refers to gray scale compensation numerical difference
In the range of first threshold.The first threshold scope can determine according to actual gray compensation precision, typically, required precision
Higher, first threshold scope is smaller.Such as first threshold scope is 0~50, either 3~45 or 10~30, or 15~20
Deng now the numerical difference of the gray scale compensation numerical value takes absolute value.Certainly in other embodiments, can not also take absolute value,
And first threshold scope is expanded to by bearing just, including negative difference and positive difference.
In this way, by gray scale compensation numerical value identical pixel, or gray scale compensation numerical value identical pixel and with
The gray scale compensation numerical difference of gray scale compensation numerical value identical pixel only needs to record at least in the pixel in the range of first threshold
The one gray scale compensation numerical value and its corresponding position data, when carrying out gray scale compensation, the multiple pixel can be entered
Row gray scale compensation exactly, avoid interval selection pixel in the prior art carry out linear interpolation and caused by offset data not
Accurately, the problems such as effect is coarse, the bright dark uniformity of the display panel can be effectively improved.
Optionally, methods described further comprises S13：In the pixel of other non-pixel groups or in the absence of
In the multiple pixel of the pixel groups, wherein one or more described pixels are selected as benchmark pixel, and judge whether
Meet Second Threshold scope in the presence of by the benchmark pixel and with the numerical difference of the gray scale compensation numerical value of the benchmark pixel
One group or the multigroup non-same pixel groups that pixel is formed, such as exist, then record at least one in each non-same pixel groups
Individual gray scale compensation numerical value and the position data corresponding with the pixel in the non-same pixel groups.Namely the non-same pixel
Group, including the benchmark pixel and meet pixel in the range of Second Threshold with the gray scale compensation numerical difference of the benchmark pixel
Formed.
Such as the display panel is in the gray scale compensation of 10 pixels in the absence of the pixel groups of some grey menu
Numerical value is respectively 1,2,3,4,6,8,15,10,11,12, Second Threshold scope be 3, arbitrarily select one or more for
Benchmark pixel：Such as two pixels corresponding to gray scale compensation numerical value 3 and 10, then a non-same pixel groups are 1,2,3,4,6
Corresponding pixel, another non-same pixel groups are the pixel corresponding to 8,10,11,12.Remaining gray scale compensation value is 15
Pixel can individually record its gray scale compensation value and its corresponding position data.Optionally, if multiple bases of the selection
Quasi- pixel, is dropped into the range of mutual Second Threshold, then needs to reselect or both are merged into described in one
In non-same pixel groups, such as gray scale compensation numerical value is 1,2,3,4,5, selects the pixel corresponding to 1 and 2 as benchmark pixel, the
Two threshold ranges are 1, then select the pixel corresponding to 1 and 2 to need to reselect or 1 and 2 are recorded in into same non-same pixel
In group, for example, may be selected 1 and 4 corresponding to pixel be used as benchmark pixel, certainly, it is specifically chosen and record method by described
Computing terminal is realized by related algorithm or program.
In the present embodiment, in the absence of the multiple pixel of the pixel groups, namely institute is not present in the multiple pixel
State gray scale compensation numerical value identical pixel.The pixel of other non-pixel groups refers to the pixel and the gray scale compensation in pixel groups
The gray scale compensation numerical difference of numerical value identical pixel is not in the range of first.
The gray scale compensation numerical value recorded and the position data are subjected to gray scale compensation to the display panel.
The pixel groups, the non-same pixel groups and single pixel it is equal in the presence of, the gray scale compensation of the record
Numerical value and the position data can include at least one gray scale compensation numerical value in the pixel groups and with the pixel
In group in the corresponding position data of whole pixels, the non-same pixel groups at least one gray scale compensation numerical value and with it is described non-
With the gray scale compensation numerical value and position data of the corresponding position data of whole pixels in pixel groups and single pixel.By
This, can precisely be compensated the multiple pixel of whole panel or even whole pixels.
In the present embodiment, the non-same pixel groups refer on the basis of the selected benchmark pixel, by reference image
Element and meet what the pixel of the Second Threshold scope was formed with the numerical difference of the gray scale compensation numerical value of the benchmark pixel
Pixel groups.The gray scale compensation numerical value identical pixel is not present in the non-same pixel groups.
In the pixel of other non-pixel groups, or the multiple pixel that the gray scale compensation numerical value differs,
One or more pixels are selected, in the case where meeting Second Threshold scope, to be formed one or more groups of described as benchmark pixel
Non- same pixel groups, it can further reduce wanted record data amount and save memory space.
In the present embodiment, optionally, the Second Threshold scope can determine according to actual gray compensation precision,
Typically, required precision is higher, and Second Threshold scope is smaller.Such as Second Threshold scope is 0~50, either 3~45 or 10~
30, or 15~20 etc., now the gray scale compensation numerical difference take absolute value.It can not certainly take absolute value, and by second
Threshold range is expanded to by bearing just, including negative difference and positive difference.
Optionally, methods described further comprises：S14:Compress the gray scale compensation numerical value that is recorded and its correspondingly
The position data is for example by way of wavelet transformation or the mode of discrete cosine transform is compressed.Optionally,
Data storage after compressing is in storage device.S15：The display panel is obtained, and gray scale compensation is carried out after decompressing and reading.
Decompression is by way of wavelet transformation carries out reciprocal transformation or discrete cosine transform carries out the mode of reciprocal transformation, is obtained
Data or the data similar to data before compression before compression.
The gray scale compensation numerical value and its corresponding positional number after wavelet transformation or discrete cosine transform
According to, be stored in after the data after being compressed storage device or storage medium for example USB flash disk, mobile hard disk, solid state hard disc,
In Flash flash memories, cloud disk, the display panel obtains the data after the compression, enters by wavelet transformation or discrete cosine
Row reciprocal transformation obtain it is original or close to the original gray scale compensation numerical value and the position data, to carry out GTG benefit
Repay, so can further reduce data volume, so as to reduce memory space occupancy., can be by for example in actual compression
The softwares such as Matlab carry out data compression process.Certainly, the mode of compression is also a variety of, such as can select Fourier transformation side
Formula.
The compression ratio for compressing the gray scale compensation numerical value recorded and its corresponding position data is in difference
Grey menu can be different, such as the display panel shoots a picture respectively in basic, normal, high shade of gray, one
As in low, middle grey menu, the even degree of brightness unevenness of the display panel is than more serious, corresponding gray scale compensation numerical value model
Enclose greatly, distribution is more discrete, is not easy to realize a high proportion of compression, and the offset data after display panel decompression reduces
Spend relatively low.And the even degree of brightness unevenness under high gray is smaller, gray scale compensation number range is small, and concentration is compared in distribution,
The high compression rate of data is easily realized, therefore computing terminal can be utilized to adjust the data compression under basic, normal, high grey menu
Rate, to ensure under higher data convert degree, data volume is reduced, saves memory space.Certainly, in other embodiments, press
Shrinkage can also be identical in different grey menus.
Reference picture 2:, the embodiment of grey decision-making compensation method two of display panel of the present invention, including：
S21：The display panel is obtained in the gray scale compensation numerical value of the image of at least one grey menu and its corresponding
Position data.Corresponding at least two position datas of gray scale compensation numerical value described in wherein at least one, described at least two
The gray scale compensation numerical value of pixel is identical corresponding to position data difference.Or at least one described gray scale compensation numerical value pair
Answer at least three position datas, at least three position data respectively corresponding at least two pixels in pixel
The gray scale compensation numerical value is identical and at least one pixel and at least two pixels described in the gray scale compensation numerical value identical
Gray scale compensation numerical difference in the range of first threshold.
In the present embodiment, gray scale compensation numerical value of the display panel in the image of at least one grey menu is obtained
Quantity is less than the multiple pixels that will be compensated of the display panel or the quantity of whole pixels.
For example, the obtaining step can be obtained by wire transmission, be wirelessly transferred acquisition, or by storage dress
Put and be transmitted as intermediary.
The step S21 corresponds to the step S11 and S12 in the embodiment of display panel grey decision-making compensation method one of the present invention,
I.e. by judging in the multiple pixel with the presence or absence of one or more be made up of the gray scale compensation numerical value identical pixel
Individual pixel groups, or the ash by the gray scale compensation numerical value identical pixel and with the gray scale compensation numerical value identical pixel
Rank compensation numerical difference meets one or more pixel groups that the pixel in the range of first threshold is formed；If in the presence of record is every
At least one gray scale compensation numerical value of the individual pixel groups and it is corresponding with each pixel in the pixel groups described in
Position data.
S22：At least one gray scale compensation numerical value is distributed to the described at least two corresponding positions
Data or at least three position data, and then obtain and at least two position data or described at least three
Put data bulk identical gray scale compensation numerical value.Utilize the gray scale compensation numerical value after distribution and its corresponding positional number
Gray scale compensation is carried out according to the display panel.
Further, other described gray scale compensation numerical value differ or the GTG with gray scale compensation numerical value identical pixel
Pixel of the numerical difference not in the range of first threshold is compensated, its described gray scale compensation numerical value is individually corresponding with position data its described
It is allocated.Wherein one or more described pixels can also be selected as benchmark pixel, and judge that other are non-described described
Whether whether there is by benchmark pixel and between the gray scale compensation numerical value of the benchmark pixel numerical difference in pixel groups
Meet one group or multigroup non-same pixel groups that the pixel of Second Threshold scope is formed, such as exist, then it is each described non-
It is allocated with corresponding at least two position datas of at least one gray scale compensation numerical value in pixel groups.
S23：Using the gray scale compensation numerical value after the distribution and its corresponding position data to the display
Panel carries out gray scale compensation.That is, by the gray scale compensation numerical value after distribution and with the position data pair and institute's rheme
It is, for example, that the multiple pixels of display panel or whole pixels compensate to put the pixel corresponding to data, so can be to described aobvious
Show that panel is more accurately compensated.
Optionally, the gray scale compensation numerical value and the position data are in three GTGs according to the display panel
The image of picture and obtain respectively.In compensation process, such as the image of three grey menus corresponds to one group of institute respectively
Gray scale compensation numerical value and the position data are stated, can be corresponded to respectively when being compensated to the display panel described
While three grey menus are precisely compensated, linear interpolation is used to other grey menus outside three grey menus
Or the method for curve matching calculates the gray scale compensation value of the pixel of other grey menus outside three grey menus to enter
Row gray scale compensation.
Optionally, the display panel is to be shot such as phase by capture apparatus in the image of at least one picture
Machine, video camera, mobile phone, flat board shooting are drawn by optical scanner, and the resolution ratio of the capture apparatus is more than or equal to
The resolution ratio of the display panel, accurately to draw the grey decision-making of most of pixels of the display panel.Optionally, institute
It can be ccd sensor or cmos sensor to state capture apparatus, can also be other sensors.
Optionally, the gray scale compensation numerical value and position data through overcompression can for example, by wavelet transformation or
Person's discrete cosine transform mode is compressed, and to reduce data volume, saves memory space.
Reference picture 3, the grey decision-making compensation system embodiment of display panel of the present invention, including it is capture apparatus, computing terminal, aobvious
Show panel.
Wherein capture apparatus, for forming image of the display panel under at least one grey menu.Optionally,
For shooting image of the display panel under three different grey menus, such as shoot from low GTG into high gray three
The image of different grey menus：Each image of low GTG, middle GTG, high gray.The capture apparatus is, for example, camera, is taken the photograph
Camera, mobile phone or scanning device, optionally, the capture apparatus can have ccd sensor or cmos sensor,
The resolution ratio of its capture apparatus is more than or equal to the resolution ratio of the display panel.
Computing terminal, for obtaining the display panel obtained by the capture apparatus at least one grey menu
Image, and according to described image obtain on the display panel gray scale compensation numerical value of multiple pixels and with the multiple pixel
Corresponding position data.And judge to whether there is in the multiple pixel and be made up of the gray scale compensation numerical value identical pixel
One or more pixel groups, or by the gray scale compensation numerical value identical pixel and identical with the gray scale compensation numerical value
The gray scale compensation numerical difference of pixel meet one or more pixel groups that the pixel in the range of first threshold is formed.If deposit
, then record each pixel groups at least one gray scale compensation numerical value and with each pixel in the pixel groups
Corresponding position data.The pixel of other non-pixel groups can individually or non-individual records its gray scale compensation
Numerical value and its corresponding position data.If being not present, the multiple pixel can individually or non-individual records it
Gray scale compensation numerical value and its corresponding position data.
Wherein, the display panel obtains and reads at least one gray scale compensation of the computing terminal record
Numerical value and the position data corresponding with each pixel in the pixel groups compensate, to carry out gray scale compensation.
The computing terminal can be computer such as desktop computer, notebook, can also be intelligent terminal such as hand
Machine, flat board etc..
Further, the computing terminal can also be compressed by modes such as wavelet transformation or discrete cosine transforms
The gray scale compensation numerical value and the position data, the gray scale compensation system further comprises storage device, for storing
The gray scale compensation numerical value and position data of the record through computer compression.Storage device can be by the display
Panel obtains, decompresses and read, to carry out gray scale compensation to the panel.Optionally, the storage device can be described
Hard disk or flash memory inside computing terminal, can be that external equipment is, for example, USB flash disk, mobile hard disk, external SSD solid-state disks.Also
It can be cloud disk.
The grey decision-making compensation system embodiment of display panel of the present invention is referred to the invention described above display panel grey decision-making
The embodiment of compensation method one and two embodiments, will not be repeated here.
Reference picture 1-4, the display panel 41 of display panel embodiment of the present invention, utilizes display panel GTG value complement of the present invention
Method involved by the embodiment of compensation method one or the embodiment of display panel grey decision-making compensation method two of the present invention carries out GTG benefit
Repay.Certainly, display panel embodiment of the present invention, can also be used involved by display panel grey decision-making compensation system embodiment of the present invention
Compensation system carry out gray scale compensation.
In summary, by gray scale compensation numerical value identical pixel, or gray scale compensation numerical value identical pixel with
And only need to record in the pixel in the range of first threshold with the gray scale compensation numerical difference of gray scale compensation numerical value identical pixel
At least one gray scale compensation numerical value and its corresponding position data, can be to the multiple picture when carrying out gray scale compensation
Element carries out gray scale compensation exactly, avoid interval selection pixel in the prior art carry out linear interpolation and caused by compensate number
According to inaccuracy, the problems such as effect is coarse, the bright dark uniformity of the display panel can be effectively improved.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
- A kind of 1. grey decision-making compensation method of display panel, it is characterised in that including：Image of the display panel at least one grey menu is obtained, and is obtained according to described image on the display panel The gray scale compensation numerical value of multiple pixels and the position data corresponding with the multiple pixel；Judge in the multiple pixel with the presence or absence of the one or more being made up of the gray scale compensation numerical value identical pixel Pixel groups, or the GTG by the gray scale compensation numerical value identical pixel and with the gray scale compensation numerical value identical pixel Compensation numerical difference meets one or more pixel groups that the pixel in the range of first threshold is formed；If in the presence of record is each At least one gray scale compensation numerical value of the pixel groups and the institute rheme corresponding with each pixel in the pixel groups Data are put, to utilize the gray scale compensation numerical value recorded and the position data to compensate the display panel.
- 2. according to the method for claim 1, it is characterised in that methods described also includes：In other non-pixel groups In pixel or in the multiple pixel in the absence of the pixel groups, its gray scale compensation numerical value can be individually recorded And its corresponding position data；Or wherein one or more described pixels are selected as benchmark pixel, and judge whether In the presence of the pixel institute for meeting Second Threshold scope by the benchmark pixel and with the gray scale compensation numerical difference of the benchmark pixel One or more non-same pixel groups of composition, if in the presence of at least one described in each non-same pixel groups of record Gray scale compensation numerical value and the position data corresponding with the pixel in the non-same pixel groups.
- 3. according to the method for claim 1, it is characterised in that：Image of the display panel at least one grey menu Formed by capture apparatus, the resolution ratio of the capture apparatus is more than or equal to the resolution ratio of the display panel.
- 4. according to the method for claim 1, it is characterised in that：The acquisition display panel is drawn at least one GTG The image in face, and the gray scale compensation numerical value of multiple pixels and the multiple picture on the display panel are obtained according to described image The step of element corresponding position data, includes：Image of the display panel at least three different grey menus is obtained, and according to described at least three different ashes The corresponding ash of multiple pixels grey menu different from described at least three on the image acquisition display panel of rank picture Rank compensates numerical value and position data.
- 5. according to the method for claim 2, it is characterised in that methods described also includes：The gray scale compensation numerical value recorded and its corresponding position data are compressed, and is stored in storage device, with Gray scale compensation is carried out after being obtained, decompress and read by the display panel.
- 6. according to the method for claim 5, it is characterised in that it is described compress the gray scale compensation numerical value that is recorded and its The corresponding position data, and being stored in storage device, to carry out ash after being obtained, decompress and read by the display panel The step of rank compensates includes：By way of wavelet transformation or discrete cosine transform mode compress the record the gray scale compensation numerical value and Its corresponding position data.
- A kind of 7. grey decision-making compensation method of display panel, it is characterised in that including：Gray scale compensation numerical value and its corresponding position data of the display panel in the image of at least one grey menu are obtained, Corresponding at least two position datas of gray scale compensation numerical value described in wherein at least one, at least two position data point The gray scale compensation numerical value of not corresponding pixel is identical；Or at least one described gray scale compensation numerical value corresponding at least three The position data, at least three position data respectively corresponding in pixel the GTG of at least two pixels mend Repay that numerical value is identical and the gray scale compensation of at least one pixel and at least two pixels described in the gray scale compensation numerical value identical Numerical difference is in the range of first threshold；By at least one gray scale compensation numerical value distribute to the described at least two corresponding position datas or At least three position data, and then obtain and at least two position data or at least three position datas number Measure gray scale compensation numerical value described in identical；GTG is carried out to the display panel using the gray scale compensation numerical value after distribution and its corresponding position data Compensation.
- A kind of 8. grey decision-making compensation system of display panel, it is characterised in that including：Capture apparatus, for forming image of the display panel under at least one grey menu；Computing terminal, for obtain by the display panel that the capture apparatus is formed at least one grey menu figure Picture, and according to described image obtain on the display panel gray scale compensation numerical value of multiple pixels and with the multiple pixel pair The position data answered；And judge one formed in the multiple pixel with the presence or absence of the gray scale compensation numerical value identical pixel Individual or multiple pixel groups, or the gray scale compensation numerical value identical pixel and with the gray scale compensation numerical value identical pixel Gray scale compensation numerical difference meet one or more pixel groups that the pixel in the range of first threshold is formed；If in the presence of remembering At least one gray scale compensation numerical value of each pixel groups of record and corresponding with each pixel in the pixel groups Position data；Wherein, the display panel obtains and reads at least one gray scale compensation numerical value of the computing terminal record And the position data corresponding with each pixel in the pixel groups, to carry out gray scale compensation.
- 9. system according to claim 8, it is characterised in that：The computing terminal is additionally operable to compress the described of the record Gray scale compensation numerical value and position data, the compensation system also include storage device, are compressed for storing through the computer The record the gray scale compensation numerical value and position data.
- 10. a kind of display panel, it is characterised in that carry out gray scale compensation using according to any one of claim 1-7 methods described.
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