CN103680449B - Method and device for removing liquid crystal displayer mura - Google Patents
Method and device for removing liquid crystal displayer mura Download PDFInfo
- Publication number
- CN103680449B CN103680449B CN201310695713.XA CN201310695713A CN103680449B CN 103680449 B CN103680449 B CN 103680449B CN 201310695713 A CN201310695713 A CN 201310695713A CN 103680449 B CN103680449 B CN 103680449B
- Authority
- CN
- China
- Prior art keywords
- input picture
- adj
- pixel corresponding
- brightness
- brightness value
- 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.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 70
- 238000004364 calculation method Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 12
- 230000008030 elimination Effects 0.000 claims description 9
- 238000003379 elimination reaction Methods 0.000 claims description 9
- 238000003384 imaging method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention is suitable for the technical field of displayers, and provides a method and device for removing liquid crystal displayer mura. According to the method and device for removing the liquid crystal displayer mura, brightness values of pixel points corresponding to input images are obtained, the brightness values of the pixel points corresponding to the input images are amended according to a brightness amendment coefficient matrix, the amended brightness values of the pixel points corresponding to the input images are obtained, then amended gray-scale values of the pixel points corresponding to the input images are obtained according to the amended brightness values of the pixel points corresponding to the input images, images corresponding to the amended gray-scale values are displayed on a liquid crystal screen, the liquid crystal displayer mura is effectively removed, the displaying effect of the liquid crystal screen is improved, and the viewing comfort senses of users are improved.
Description
Technical field
The invention belongs to display technology field, more particularly, to a kind of method and device of elimination liquid crystal display mura.
Background technology
Liquid crystal display screen is at present due to TFT（Thin-Film Technology, thin film technology Technology）, backlight illumination divides
The reason such as cloth is uneven.Screen will be made in display image, especially showing large area together with the presence of certain mura phenomenon
Look when sample gray level image that screen has the sensation of pollution speckle.Especially at present LCD TV due to due to cost,
More employing direct-light type LED backlight technology, in the situation of straight-down negative, need to take into account frivolous, LED number is few, and diffusion barrier is few.Therefore
It is difficult to accomplish the uniform of backlight distribution, serious mura phenomenon therefore can be produced on screen.
Content of the invention
It is an object of the invention to provide a kind of side of the elimination liquid crystal display mura by brightness correction coefficient matrix
Method is it is intended to solve the problems, such as how to eliminate liquid crystal display mura.
The invention provides a kind of method of elimination liquid crystal display mura, comprise the following steps：
Obtain the brightness value L (i, j) of input picture each pixel corresponding, i, j represent the coordinate of corresponding point, wherein 1
≤ i≤N, 1≤j≤M, N represent the input picture number of scanning lines, and M states the columns of input picture scanning；
According to brightness correction coefficient matrix K, the brightness value L (i, j) of described input picture each pixel corresponding is carried out
Revise, obtain the revised brightness value L of input picture each pixel correspondingadj(i,j)；
Revised brightness value L according to described input picture each pixel correspondingadj(i, j), obtains input picture
The revised grey decision-making X of each pixel correspondingadj(i,j)；
By described revised grey decision-making Xadj(i, j) corresponding image is shown on LCD screen.
Present invention also offers a kind of device of elimination liquid crystal display mura, including：
First acquisition module, the first correcting module, the second acquisition module, the first display module；
Described first acquisition module, for obtaining the brightness value L (i, j) of input picture each pixel corresponding, i, j table
Show the coordinate of corresponding point, wherein 1≤i≤N, 1≤j≤M, N represent the input picture number of scanning lines, M states input picture scanning
Columns；
Described first correcting module, for according to brightness correction coefficient matrix K each picture corresponding to described input picture
The brightness value L (i, j) of vegetarian refreshments is modified, and obtains the revised brightness value L of input picture each pixel correspondingadj(i,
j)；
Described second acquisition module, for the revised brightness value according to described input picture each pixel corresponding
Ladj(i, j), obtains the revised grey decision-making X of input picture each pixel correspondingadj(i,j)；
Described first display module, for by described revised grey decision-making Xadj(i, j) corresponding image is in LCD screen
On shown.
In the present invention, by obtaining the brightness value of input picture each pixel corresponding, according to brightness correction coefficient
Matrix is modified to the brightness value of input picture each pixel corresponding, obtains input picture each pixel corresponding
Revised brightness value, then further according to the revised brightness value of input picture each pixel corresponding, obtains input figure
As the revised grey decision-making of each pixel corresponding, by corresponding for described revised grey decision-making image on LCD screen
Shown, effectively eliminated liquid crystal display mura, improved LCD screen display effect, improve relaxing of user's viewing
Suitable sense.
Brief description
Fig. 1 is the flowchart of the embodiment of method offer that the present invention eliminates liquid crystal display mura；
Fig. 2 is the flowchart of the embodiment that brightness correction coefficient matrix acquisition methods of the present invention provide；
Fig. 3 is the structured flowchart of the embodiment of device offer that the present invention eliminates liquid crystal display mura.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows a kind of flow process of realizing eliminating liquid crystal display mura method provided in an embodiment of the present invention, describes in detail
As follows：
Step 101, the brightness value of acquisition input picture each pixel corresponding.
Specifically, obtain the brightness value of input picture each pixel corresponding, the brightness value of each pixel is designated as L
(i, j), i, j represent the coordinate of corresponding point, and wherein 1≤i≤N, 1≤j≤M, N represent the input picture number of scanning lines, M statement input
The columns of image scanning, namely the resolution of LCDs be M*N.Preferably, according to input picture each pixel corresponding
Grey decision-making X (i, j) of point and gamma Index for Calculation obtain the brightness value L (i, j) of input picture each pixel corresponding,
Specific formula for calculation is L (i, j)=X (i, j)Y, X (i, j)YRepresent the Y power of X (i, j), wherein Y represents Gamma index.
Step 102, according to brightness correction coefficient matrix, the brightness value of described input picture each pixel corresponding is entered
Row is revised, and obtains the revised brightness value of input picture each pixel corresponding.
According to brightness correction coefficient matrix, the brightness value L (i, j) of described input picture each pixel corresponding is carried out
Revise, obtain the revised brightness value of input picture each pixel corresponding, described brightness correction coefficient matrix is designated as K,
The revised brightness value of input picture each pixel corresponding is designated as Ladj(i,j).Specifically, according to described input picture
The brightness value L (i, j) of each pixel corresponding and the corresponding element of brightness correction coefficient matrix K are calculated input picture
The revised brightness value L of each pixel correspondingadj(i, j), specific formula for calculation is：Ladj(i,j)=K(i,j)×L(i,
J), wherein K (i, j) represents the element of brightness correction coefficient matrix K the i-th row jth row.
Step 103, the revised brightness value according to described input picture each pixel corresponding, obtain input picture
The revised grey decision-making of each pixel corresponding.
Revised brightness value L according to described input picture each pixel correspondingadj(i, j), obtains input picture
The revised grey decision-making of each pixel corresponding, the revised grey decision-making of input picture each pixel corresponding is designated as
Xadj(i, j), specifically, according to the revised brightness value L of input picture each pixel correspondingadj(i, j) and gamma
Index for Calculation obtains the revised grey decision-making X of input picture each pixel correspondingadj(i, j), specific formula for calculation isRepresent Ladj(i's, j)Power.
Step 104, corresponding for described revised grey decision-making image is shown on LCD screen.
Specifically, obtain revised grey decision-making XadjAfter (i, j), by corresponding for revised grey decision-making image in liquid crystal
Shown on screen, the resolution of described LCD Panel is M*N.Thus well compensate mura phenomenon bring bright
Degree non-uniform phenomenon, greatly improved the display effect of LCD screen.
In order to further describe the concrete acquisition methods of described brightness correction coefficient matrix K, the embodiment of the present invention combines accompanying drawing
2, do described in detail below, brightness correction coefficient matrix K is obtained through the following steps：
Step 201, the first full white image of input one n GTG, by described first full white image on LCD Panel
Display.
Input the first full white image of a n GTG, this first full white image is the image not processed after filtering, then
Described first full white image is shown on LCD Panel, described n is integer, and the value of n is between 0 to 255, preferably
, n is 255.
Step 202, by imaging brightness meter shoot LCD screen the first full white image, described first full white image correspond to
Luminance data matrix be the first data matrix Q.
After first full white image shows on LCD screen, shoot the first full white image using imaging brightness meter, first is complete
The white corresponding luminance data matrix of image is designated as Q for the first data matrix, and the exponent number of Q is N*M rank, as in the foregoing embodiment, N
Represent the input picture number of scanning lines, M states the columns of input picture scanning, namely the resolution of LCDs is M*N.
Step 203, by described by imaging brightness meter shoot LCD screen the first full white image process after filtering
On LCD screen, display obtains the second full white image afterwards, and the corresponding luminance data matrix of described second full white image is the second number
According to matrix S.
Specifically, after described the first full white image by imaging brightness meter shooting LCD screen being processed after filtering
On LCD screen, display obtains the second full white image, and this Filtering Processing mainly passes through the filter of the image processing algorithms such as two filtering
Intermediate-freuqncy signal except the image mura phenomenon causing.The corresponding luminance data matrix of described second full white image is the second data square
Battle array S, same S exponent number is N*M rank
Step 204, brightness correction coefficient square is calculated according to the first described data matrix Q and the second data matrix S
Battle array K.
Brightness correction coefficient matrix K is calculated according to the first described data matrix Q and the second data matrix S, specifically
Computing formula is K=S./Q, and S./Q represents that the corresponding element of S and Q is divided by.Thus obtain correction factor matrix K, its exponent number
Also it is N*M rank.
From above-described embodiment, the method for this elimination LCD screen mura, simple possible, as long as shooting once entirely white
Gray level image is it is possible to according to the image photographing, obtain a brightness correction coefficient matrix, finally according to luminance factor matrix
Obtain revised brightness value and grey decision-making, corresponding for grey decision-making image is shown on LCD screen, liquid can be effectively eliminated
The mura of brilliant screen, and this algorithm simply easily realizes.
Fig. 3 shows a kind of structured flowchart of the device of elimination liquid crystal display mura provided in an embodiment of the present invention, should
Device can realize the method described in previous embodiment.For convenience of description, illustrate only part related to the present embodiment.Ginseng
According to Fig. 3, this device, including：
First acquisition module 31, the first correcting module 32, the second acquisition module 33, the first display module 34；
Described first acquisition module 31, for obtaining the brightness value L (i, j) of input picture each pixel corresponding, i, j
Represent the coordinate of corresponding point, wherein 1≤i≤N, 1≤j≤M, N represent the input picture number of scanning lines, M statement input picture scanning
Columns.
Described first correcting module 32, for according to brightness correction coefficient matrix K corresponding to described input picture each
The brightness value L (i, j) of pixel is modified, and obtains the revised brightness value L of input picture each pixel correspondingadj
(i,j).
Described second acquisition module 33, for the revised brightness according to described input picture each pixel corresponding
Value Ladj(i, j), obtains the revised grey decision-making X of input picture each pixel correspondingadj(i,j)；
Described first display module 34, for by described revised grey decision-making Xadj(i, j) corresponding image is in liquid crystal display screen
Shown on curtain, the resolution of described LCD Panel is M*N.
Further, described first acquisition module 31 also includes：First computing module 311, for according to input picture pair
Grey decision-making X (i, j) of each pixel answered and gamma Index for Calculation obtain the bright of input picture each pixel corresponding
Angle value L (i, j), specific formula for calculation is L (i, j)=X (i, j)Y, X (i, j)YRepresent the Y power of X (i, j), wherein Y represents
Gamma index.
Further, described device also includes the 3rd acquisition module 35, for obtaining brightness correction coefficient matrix；Described
Three acquisition modules 35 also include：Input display module 351, filtering display module 352, the second computing module 353.Described input is aobvious
Show module 351, for inputting the first full white image of a n GTG, described first full white image is aobvious on LCD Panel
Show, described n is integer, and the value of n is between 0 to 255.Preferably, the value of n is 255.Described filtering display module 352, is used for
Show on LCD screen after first full white image of the LCD screen being shot by imaging brightness meter is processed after filtering
To the second full white image, the corresponding luminance data matrix of described first full white image is the first data matrix Q, and described second is entirely white
The corresponding luminance data matrix of image is the second data matrix S.Described second computing module 353, for according to described first
Data matrix Q and the second data matrix S are calculated brightness correction coefficient matrix K, and specific formula for calculation is K=S./Q, S./Q table
Show that the corresponding element of S and Q is divided by.Wherein, the exponent number of the first data matrix Q, the second data matrix S and correction factor matrix K
It is all N*M rank.
Further, described first correcting module 32 also includes：3rd computing module 321, for according to described input figure
As the brightness value L (i, j) of each pixel corresponding and the corresponding element of brightness correction coefficient matrix K are calculated input figure
Revised brightness value L as each pixel correspondingadj(i, j), specific formula for calculation is Ladj(i,j)=K(i,j)×L
(i, j), wherein K (i, j) represent the element of brightness correction coefficient matrix K the i-th row jth row.
Further, described second acquisition module 33 also includes：4th computing module 331, for according to input picture pair
The revised brightness value L of each pixel answeredadj(i, j) and gamma Index for Calculation obtain input picture corresponding each
The revised grey decision-making X of pixeladj(i, j), specific formula for calculation is：Table
Show Ladj(i's, j)Power.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of method of elimination liquid crystal display mura is it is characterised in that comprise the following steps：
Obtain the brightness value L (i, j) of input picture each pixel corresponding, i, j represent the coordinate of corresponding pixel points, wherein 1
≤ i≤N, 1≤j≤M, N represent the input picture number of scanning lines, and M states the columns of input picture scanning；
According to brightness correction coefficient matrix K, the brightness value L (i, j) of described input picture each pixel corresponding is repaiied
Just, obtain the revised brightness value L of input picture each pixel correspondingadj(i,j)；
Revised brightness value L according to described input picture each pixel correspondingadj(i, j), obtains input picture and corresponds to
Each pixel revised grey decision-making Xadj(i,j)；
By described revised grey decision-making Xadj(i, j) corresponding image is shown on LCD screen；
Wherein, described brightness correction coefficient matrix K is obtained through the following steps：
Input the first full white image of a n GTG, described first full white image is shown on LCD Panel, described n is
Integer, and the value of n is between 0 to 255；
Shoot the first full white image of LCD screen by imaging brightness meter, the corresponding brightness data square of described first full white image
Battle array is the first data matrix Q；
In LCD screen after described the first full white image by imaging brightness meter shooting LCD screen is processed after filtering
Upper display obtains the second full white image, and the corresponding luminance data matrix of described second full white image is the second data matrix S；
Brightness correction coefficient matrix K is calculated according to the first described data matrix Q and the second data matrix S, concrete calculating
Formula is K=S./Q, and S./Q represents that the corresponding element of S and Q is divided by；
The exponent number of described first data matrix Q, the second data matrix S and correction factor matrix K is all N*M rank.
2. the method for claim 1 is it is characterised in that the brightness of described acquisition input picture each pixel corresponding
Value L (i, j), specially：
Grey decision-making X (i, j) according to input picture each pixel corresponding and gamma Index for Calculation obtain input picture pair
The brightness value L (i, j) of each pixel answered, specific formula for calculation is L (i, j)=X (i, j)Y, X (i, j)YRepresent X's (i, j)
Y power, wherein Y represent Gamma index.
3. method as claimed in claim 1 or 2 it is characterised in that described according to brightness correction coefficient matrix K to described defeated
The brightness value L (i, j) entering image each pixel corresponding is modified, and obtains repairing of input picture each pixel corresponding
Brightness value L after justadj(i, j), specially：
Brightness value L (i, j) according to described input picture each pixel corresponding and brightness correction coefficient matrix K are corresponding
Element is calculated the revised brightness value L of input picture each pixel correspondingadj(i, j), specific formula for calculation is
Ladj(i, j)=K (i, j) × L (i, j), wherein K (i, j) represent the element of brightness correction coefficient matrix K the i-th row jth row.
4. method as claimed in claim 2 is it is characterised in that correction according to described input picture each pixel corresponding
Brightness value L afterwardsadj(i, j), obtains the revised grey decision-making X of input picture each pixel correspondingadj(i, j), specifically
For：
Revised brightness value L according to input picture each pixel correspondingadj(i, j) and gamma Index for Calculation obtain
The revised grey decision-making X of input picture each pixel correspondingadj(i, j), specific formula for calculation is Represent Ladj(i's, j)Power.
5. a kind of device of elimination liquid crystal display mura is it is characterised in that include：
First acquisition module, the first correcting module, the second acquisition module, the first display module；
Described first acquisition module, for obtaining the brightness value L (i, j) of input picture each pixel corresponding, i, j represent right
The coordinate that should put, wherein 1≤i≤N, 1≤j≤M, N represent the input picture number of scanning lines, and M states the columns of input picture scanning；
Described first correcting module, for according to brightness correction coefficient matrix K each pixel corresponding to described input picture
Brightness value L (i, j) be modified, obtain the revised brightness value L of input picture each pixel correspondingadj(i,j)；
Described second acquisition module, for the revised brightness value L according to described input picture each pixel correspondingadj
(i, j), obtains the revised grey decision-making X of input picture each pixel correspondingadj(i,j)；
Described first display module, for by described revised grey decision-making Xadj(i, j) corresponding image is enterprising in LCD screen
Row display；
3rd acquisition module, for obtaining brightness correction coefficient matrix；
Described 3rd acquisition module also includes：Input display module, filtering display module, the second computing module；
Described input display module, for inputting the first full white image of a n GTG, by described first full white image in liquid crystal
Show on display screen curtain, described n is integer, and the value of n is between 0 to 255；
Described filtering display module, for the first full white image of LCD screen of will being shot by imaging brightness meter after filtering
After process, on LCD screen, display obtains the second full white image, and the corresponding luminance data matrix of described first full white image is the
One data matrix Q, the corresponding luminance data matrix of described second full white image is the second data matrix S；
Described second computing module, for being calculated brightness and repairing according to the first described data matrix Q and the second data matrix S
Positive coefficient matrix K, specific formula for calculation is K=S./Q, and S./Q represents that the corresponding element of S and Q is divided by；
The exponent number of described first data matrix Q, the second data matrix S and correction factor matrix K is all N*M rank.
6. device as claimed in claim 5 is it is characterised in that described first acquisition module also includes：First computing module, uses
Obtain input picture in grey decision-making X (i, j) according to input picture each pixel corresponding and gamma Index for Calculation to correspond to
Each pixel brightness value L (i, j), specific formula for calculation be L (i, j)=X (i, j)Y, X (i, j)YRepresent the Y of X (i, j)
Power, wherein Y represent Gamma index.
7. the device as described in claim 5 or 6 is it is characterised in that described first correcting module also includes：3rd calculating mould
Block, for the brightness value L (i, j) according to described input picture each pixel corresponding and brightness correction coefficient matrix K pair
The element answered is calculated the revised brightness value L of input picture each pixel correspondingadj(i, j), specific formula for calculation
For Ladj(i, j)=K (i, j) × L (i, j), wherein K (i, j) represent the element of brightness correction coefficient matrix K the i-th row jth row.
8. device as claimed in claim 6 is it is characterised in that described second acquisition module also includes：4th computing module, uses
In the revised brightness value L according to input picture each pixel correspondingadj(i, j) and gamma Index for Calculation obtain defeated
Enter the revised grey decision-making X of image each pixel correspondingadj(i, j), specific formula for calculation is Represent Ladj(i's, j)Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695713.XA CN103680449B (en) | 2013-12-17 | 2013-12-17 | Method and device for removing liquid crystal displayer mura |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695713.XA CN103680449B (en) | 2013-12-17 | 2013-12-17 | Method and device for removing liquid crystal displayer mura |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103680449A CN103680449A (en) | 2014-03-26 |
| CN103680449B true CN103680449B (en) | 2017-02-22 |
Family
ID=50317812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310695713.XA Expired - Fee Related CN103680449B (en) | 2013-12-17 | 2013-12-17 | Method and device for removing liquid crystal displayer mura |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103680449B (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280143B (en) * | 2014-05-27 | 2018-05-18 | 西安宏祐图像科技有限公司 | A kind of removing method of three grid pixel liquid crystal display panel Mura |
| CN105376351A (en) * | 2014-08-21 | 2016-03-02 | 中兴通讯股份有限公司 | Screen display method and device, and screen |
| CN104217701A (en) * | 2014-08-22 | 2014-12-17 | 京东方科技集团股份有限公司 | Display panel control method, display panel control device and time schedule controller |
| CN104678615B (en) | 2015-03-12 | 2017-09-15 | 京东方科技集团股份有限公司 | One kind assembling alignment device |
| CN105070252B (en) * | 2015-08-13 | 2018-05-08 | 小米科技有限责任公司 | Reduce the method and device of display brightness |
| CN105575326B (en) * | 2016-02-16 | 2018-11-23 | 深圳市华星光电技术有限公司 | The method for calibrating OLED display panel brightness disproportionation |
| CN105590605B (en) * | 2016-03-09 | 2019-01-22 | 深圳市华星光电技术有限公司 | The Mura phenomenon compensation method of curved surface liquid crystal panel |
| CN105741763B (en) * | 2016-03-31 | 2018-01-30 | 深圳市华星光电技术有限公司 | The method for eliminating OLED display panel Mura |
| CN105654891B (en) | 2016-04-05 | 2018-06-26 | 京东方科技集团股份有限公司 | A kind of method, apparatus and display panel for obtaining mura offsets |
| CN105913815B (en) * | 2016-04-15 | 2018-06-05 | 深圳市华星光电技术有限公司 | Display panel Mura phenomenon compensation methodes |
| CN106097954B (en) * | 2016-07-21 | 2019-08-13 | 武汉精测电子集团股份有限公司 | A kind of method and system for repairing plane display module Mura defects |
| CN106228924B (en) * | 2016-08-05 | 2019-09-13 | 武汉精测电子集团股份有限公司 | Color spot compensating image signals generating means, method and color spot failures repair system |
| CN106251830B (en) * | 2016-08-09 | 2018-10-23 | 昆山国显光电有限公司 | The restorative procedure and its device of the bad display of display |
| CN106341576B (en) * | 2016-08-25 | 2020-07-03 | 深圳市华星光电技术有限公司 | Image processing method |
| CN106157897B (en) | 2016-09-26 | 2018-11-20 | 京东方科技集团股份有限公司 | A kind of brightness control method, device, AMOLED panel and electronic equipment |
| CN106782264B (en) * | 2016-12-27 | 2019-12-03 | 武汉精测电子集团股份有限公司 | Mould group color spot prosthetic device and method based on PCGPU |
| TWI665655B (en) * | 2017-06-08 | 2019-07-11 | 瑞鼎科技股份有限公司 | Optical compensation apparatus applied to panel and operating method thereof |
| CN109119009A (en) * | 2017-06-26 | 2019-01-01 | 深圳回收宝科技有限公司 | Screen defect inspection method, detection device, system and storage medium |
| CN107657932B (en) * | 2017-11-17 | 2019-10-18 | 深圳市华星光电半导体显示技术有限公司 | The gray scale compensation data detection method of liquid crystal display panel |
| CN111433841B (en) * | 2017-12-12 | 2021-06-11 | 深圳市柔宇科技股份有限公司 | Mura compensation method for display panel, computer readable storage medium and display device |
| CN108281120B (en) * | 2018-01-27 | 2020-04-10 | 深圳市华星光电半导体显示技术有限公司 | Mura repairing method of display panel |
| CN108806574B (en) | 2018-04-24 | 2019-08-13 | 硅谷数模半导体（北京）有限公司 | The grayscale value of display panel determines method and device |
| CN109036275B (en) * | 2018-09-19 | 2020-06-19 | 京东方科技集团股份有限公司 | Mura phenomenon compensation method and device of display screen |
| CN110264938B (en) * | 2019-06-27 | 2022-12-20 | 江苏芯盛智能科技有限公司 | Image display method and device |
| CN111627369B (en) * | 2020-05-14 | 2023-04-14 | Oppo广东移动通信有限公司 | Display screen display method, display screen assembly and electronic equipment |
| CN113270062A (en) * | 2021-05-21 | 2021-08-17 | 武汉华星光电半导体显示技术有限公司 | Compensation method of display panel |
| CN114242013B (en) * | 2021-12-17 | 2022-12-02 | 海宁奕斯伟集成电路设计有限公司 | Method and device for eliminating brightness mura defect of liquid crystal display |
| CN114141212A (en) * | 2021-12-29 | 2022-03-04 | 上海立可芯半导体科技有限公司 | Gamma correction coefficient calculation method for LCD screen of mobile phone |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200923873A (en) * | 2007-11-26 | 2009-06-01 | Tpo Displays Corp | Image displaying system and method of elimitating mura defect |
| WO2010047091A1 (en) * | 2008-10-20 | 2010-04-29 | パナソニック株式会社 | Image displaying device, color signal correcting device, and color signal correcting method |
| CN101640038B (en) * | 2009-08-26 | 2011-12-07 | 广东威创视讯科技股份有限公司 | Display device colour luminance compensation method, device and system |
| US20120075354A1 (en) * | 2010-09-29 | 2012-03-29 | Sharp Laboratories Of America, Inc. | Capture time reduction for correction of display non-uniformities |
| TWI438750B (en) * | 2011-08-11 | 2014-05-21 | Delta Electronics Inc | Methods for compensating images and producing built-in compensating matrix set and e-paper display device thereof |
| CN102497559B (en) * | 2011-12-20 | 2014-10-01 | 深圳Tcl新技术有限公司 | Picture quality regulation method and system for quick screen matching |
| CN103426412A (en) * | 2012-05-24 | 2013-12-04 | 群康科技(深圳)有限公司 | Image display system and pixel value adjusting method |
| CN103198801B (en) * | 2013-03-11 | 2015-02-04 | 深圳市华星光电技术有限公司 | Compensation method for flat display panel large-viewing-angle Mura area |
-
2013
- 2013-12-17 CN CN201310695713.XA patent/CN103680449B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103680449A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103680449B (en) | Method and device for removing liquid crystal displayer mura | |
| US10580366B2 (en) | Liquid crystal display device and drive method therefor | |
| KR102118613B1 (en) | How to compensate for the Mura phenomenon | |
| CN104715731B (en) | Screen brightness adjustment method and device and liquid crystal display device | |
| CN106910487B (en) | A kind of driving method and driving device of display | |
| CN107068102B (en) | Image processing method, image processing device and display device | |
| CN100580519C (en) | Multiple-panel liquid crystal display device | |
| US9972256B2 (en) | LCD panel and driving method thereof | |
| CN110085166A (en) | The speck compensation method of curve screens and device | |
| CN104157262B (en) | Improve the method and system of brightness uniformity of the 3D liquid crystal displays when 3D is shown | |
| CN108922481B (en) | Demura implementation method based on side viewing angle of liquid crystal display television | |
| CN104616631B (en) | Display method and device for MVA (multi-domain vertical alignment) wide viewing angle LCD (liquid crystal display) screen | |
| CN107845370B (en) | A kind of display methods of display panel, display panel and display device | |
| CN106952626A (en) | Mura compensation deals method, device and the liquid crystal display of RGBW pixel arrangement panels | |
| CN104167194A (en) | Liquid crystal display panel gray-scale value setting method and liquid crystal display | |
| CN108133692A (en) | The method, apparatus and liquid crystal display panel of adjustment are compensated to pixel data | |
| CN105590597A (en) | Method and apparatus for expanding dynamic range of display device | |
| CN108364615B (en) | Mura compensation method and Mura compensation system | |
| WO2016115849A1 (en) | Image brightness adjustment method and adjustment device, and display device | |
| CN106412549B (en) | Brightness of image method of adjustment and device | |
| WO2018205396A1 (en) | Display panel drive method and display device | |
| CN105632424A (en) | Color enhancement algorithm and control enhancement control device for expanding number of displayed gray scales | |
| CN108154858B (en) | Display driving method and device | |
| CN105869598A (en) | Driving method of LCD (Liquid Crystal Display) and LCD | |
| CN103617783B (en) | Liquid crystal module pixel luminance regulating method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |