CN109584771B - Display screen compensation method and compensation device - Google Patents
Display screen compensation method and compensation device Download PDFInfo
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- CN109584771B CN109584771B CN201811565628.0A CN201811565628A CN109584771B CN 109584771 B CN109584771 B CN 109584771B CN 201811565628 A CN201811565628 A CN 201811565628A CN 109584771 B CN109584771 B CN 109584771B
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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
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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
- G09G3/2007—Display of intermediate tones
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
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Abstract
According to the compensation method and the compensation device for the display picture, firstly, the first display picture and the second display picture are preprocessed, and the preprocessed first display picture and the preprocessed second display picture are obtained; then according to the preprocessed first display picture, RGB value compensation data corresponding to the preprocessed second display picture are obtained; performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture; and finally, overlapping the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture. According to the method, the display picture is preprocessed, and then RGB compensation is performed on the second display picture in the display picture, so that compared with the existing compensation method, the method can compensate the mutation block. Therefore, the problem of uneven display can be solved, and the display effect of the spliced screen is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a compensation method and a compensation apparatus for a display screen.
Background
The spliced screen is a complete display unit, can be used as a display independently, and can be spliced into an oversized screen for use. However, the display unevenness at the spliced position is easily caused by the instability of the manufacturing process of the spliced screen, so that the display effect of the spliced screen is reduced.
The technical scheme can solve the problem of uneven display at the splicing part of the spliced screen to a certain extent. However, since the abrupt change block cannot be compensated for, there is a problem in that the display is not uniform.
Disclosure of Invention
The embodiment of the application provides a compensation method and a compensation device for a display picture, which can solve the problem of uneven display, so that the display effect of a spliced screen can be improved.
In a first aspect, the present application provides a compensation method for a display screen, including:
preprocessing the first display picture and the second display picture to obtain a preprocessed first display picture and a preprocessed second display picture;
acquiring RGB value compensation data corresponding to the preprocessed second display picture according to the preprocessed first display picture;
performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture;
and superposing the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture.
In the compensation method for the display image provided by the present application, the step of obtaining RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image includes:
acquiring an RGB value corresponding to each region in the preprocessed first display picture to obtain a first RGB value set;
acquiring an RGB value corresponding to each region in the preprocessed second display picture to obtain a second RGB value set, wherein each region in the preprocessed second display picture corresponds to a region in the first display picture;
acquiring a compensation RGB value set corresponding to the second RGB value set according to the first RGB value set;
and constructing RGB value compensation data of the preprocessed second display picture according to the compensation RGB value set.
In the compensation method for a display screen provided by the present application, the step of obtaining a compensation RGB value set corresponding to the second RGB value set according to the first RGB value set includes:
extracting RGB information in the first RGB value set to obtain first RGB information;
and searching compensation information corresponding to the first RGB information according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set.
In the compensation method for a display image provided by the present application, the step of looking up the compensation information corresponding to the first RGB information according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set includes:
extracting a pixel value corresponding to the first RGB information;
and searching a compensation pixel value corresponding to the pixel value according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set.
In the compensation method for a display image provided by the present application, before the step of looking up compensation information corresponding to each of the first RGB information according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set, after the step of extracting RGB information in the first RGB value set to obtain a plurality of first RGB information, the method further includes:
acquiring a basic RGB value information base;
and constructing an information query table according to the RGB value information base and the plurality of first RGB information.
In the compensation method for a display image provided by the present application, the step of superimposing the compensated second display image and the preprocessed first display image to obtain the compensated display image includes:
sampling the compensated second display picture to obtain a first pixel value set;
sampling the preprocessed first display picture to obtain a second pixel value set;
and synthesizing the first pixel value set, the second pixel value set and the display picture to obtain the compensated display picture.
In the compensation method for the display image provided by the present application, the step of obtaining RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image includes:
extracting the RGB value of the preprocessed first display picture;
and generating RGB value compensation data corresponding to the preprocessed second display picture according to the RGB value of the preprocessed first display picture.
In the compensation method for a display image provided by the present application, the step of preprocessing the first display image and the second display image to obtain a preprocessed first display image and a preprocessed second display image includes:
respectively acquiring the size information of the first display picture and the size information of the second display picture to obtain first size information and second size information;
respectively acquiring preset gray scale processing pixels corresponding to the first display picture and the second display picture based on the first size information and the second size information to obtain a first preset gray scale processing pixel and a second preset gray scale processing pixel;
and filling the first preset gray scale processing pixel to the first display picture, and filling the second preset gray scale processing pixel to the second display picture to obtain the preprocessed first display picture and the preprocessed second display picture.
In the compensation method for the display frame provided by the present application, the predetermined gray levels include gray level 25, gray level 60, and gray level 255.
In a second aspect, the present application provides a compensation apparatus for a display screen, comprising:
the preprocessing unit is used for preprocessing the first display picture and the second display picture to obtain a preprocessed first display picture and a preprocessed second display picture;
the acquisition unit is used for acquiring RGB value compensation data corresponding to the preprocessed second display picture according to the preprocessed first display picture;
the compensation unit is used for performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture;
and the superposition unit is used for superposing the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture.
According to the compensation method and the compensation device for the display picture, firstly, the first display picture and the second display picture are preprocessed, and the preprocessed first display picture and the preprocessed second display picture are obtained; then according to the preprocessed first display picture, RGB value compensation data corresponding to the preprocessed second display picture are obtained; performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture; and finally, overlapping the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture. According to the method, the display picture is preprocessed, and then RGB compensation is performed on the second display picture in the display picture, so that compared with the existing compensation method, the method can compensate the mutation block. Therefore, the problem of uneven display can be solved, and the display effect of the spliced screen is improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a scene of a compensation method for a display screen according to the present application;
FIG. 2 is a schematic flowchart illustrating a compensation method for a display screen according to the present disclosure;
FIG. 3 is a schematic diagram illustrating a first manner of obtaining compensation data in the compensation method for displaying a picture according to the present application;
FIG. 4 is a schematic diagram illustrating a second manner of obtaining compensation data in the compensation method for displaying a picture according to the present application;
fig. 5 is a schematic structural diagram of a compensation apparatus for displaying an image according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The application provides a compensation method and a compensation device for a display picture. The compensation device can be integrated in a device with a storage unit and a microprocessor and a computing capability.
For example, please refer to fig. 1, fig. 1 is a scene diagram illustrating a compensation method for a display frame according to the present application.
After the device acquires the display screen, wherein the display screen comprises a first display screen and a second display screen. Firstly, preprocessing a first display picture and a second display picture to obtain a preprocessed first display picture and a preprocessed second display picture. And then, according to the preprocessed first display picture, acquiring RGB value compensation data corresponding to the preprocessed second display picture. And then, performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture. And finally, overlapping the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a compensation method for a display frame according to the present application. The method comprises the following steps:
101. and preprocessing the first display picture and the second display picture to obtain a preprocessed first display picture and a preprocessed second display picture.
The display screen comprises a first display screen and a second display screen. For example, the display screen is a display screen on an 8k liquid crystal display, and the 8k liquid crystal display includes a first display screen and a second display screen.
First, a measuring camera may be used to measure the preset gray scale compensation data of the first display frame and the preset gray scale compensation data of the second display frame, respectively. The preset gray scale compensation data of the first display frame and the preset gray scale compensation data of the second display frame can be preset by operation and maintenance personnel or equipment. And then, respectively preprocessing the first display picture and the second display picture based on the preset gray scale compensation data of the first display picture and the preset gray scale compensation data of the second display picture. In this embodiment, the preprocessing of the first display screen and the preprocessing of the second display screen are both referred to as gray-scale processing.
In addition, when the preset gray scale compensation data of the first display picture and the preset gray scale compensation data of the second display picture are respectively measured by adopting the measuring camera, the size of the first display picture and the size of the second display picture can be measured firstly. And then acquiring corresponding preset gray scale compensation data of the first display picture and preset gray scale compensation data of the second display picture based on the size of the first display picture and the size of the second display picture. This makes the obtained gray-scale compensation data more accurate.
That is, in some embodiments, the step of "preprocessing the first display screen and the second display screen to obtain a preprocessed first display screen and a preprocessed second display screen" may include:
respectively acquiring the size information of a first display picture and the size information of a second display picture to obtain first size information and second size information;
respectively acquiring preset gray scale processing pixels corresponding to the first display picture and the second display picture based on the first size information and the second size information to obtain a first preset gray scale processing pixel and a second preset gray scale processing pixel;
and filling the first preset gray scale processing pixel to the first display picture, and filling the second preset gray scale processing pixel to the second display picture to obtain the preprocessed first display picture and the preprocessed second display picture.
In some embodiments, the predetermined gray levels include gray level 25, gray level 60, and gray level 255.
102. And acquiring RGB value compensation data corresponding to the preprocessed second display picture according to the preprocessed first display picture.
Wherein, the first display picture and the second display picture are preprocessed respectively. The preprocessed second display may acquire corresponding RGB value compensation data based on the preprocessed first display.
In an embodiment of the present application, the RGB value compensation data corresponding to the preprocessed second display image may be generated according to the RGB values of the preprocessed first display image. That is, the step of acquiring the RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image may include:
extracting the RGB value of the preprocessed first display picture;
and generating RGB value compensation data corresponding to the preprocessed second display picture according to the RGB value of the preprocessed first display picture.
For example, the RGB values of the preprocessed first display image are extracted, and the R value, the G value, and the B value of the preprocessed first display image are 5, and 9, respectively. In this case, the R value of the preprocessed second display screen is 5, the G value is 7, and the B value is 5. According to the RGB values of the preprocessed first display picture, generating RGB value compensation data corresponding to the preprocessed second display picture as follows: r is 0, G is-2 and B is 4.
Further, the first display screen and the second display screen each include a plurality of regions, as shown in fig. 3. The RGB value corresponding to each region of the preprocessed second display image may be compensated according to the RGB value corresponding to each region of the preprocessed first display image. That is, the step of acquiring the RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image may include:
acquiring an RGB value corresponding to each region in the preprocessed first display picture to obtain a first RGB value set;
acquiring an RGB value corresponding to each region in the preprocessed second display picture to obtain a second RGB value set, wherein each region in the preprocessed second display picture corresponds to a region in the first display picture;
acquiring a compensation RGB value set corresponding to the second RGB value set according to the first RGB value set;
RGB value compensation data for the second display frame is constructed from the set of compensated RGB values.
For example, the first preprocessed display includes sixty-four regions, and the second preprocessed display includes sixty-four regions, as shown in fig. 4. Firstly, the RGB value corresponding to each region in the preprocessed first display picture and the RGB value corresponding to each region in the preprocessed second display picture are respectively obtained to obtain a first RGB value set and a second RGB value set. Then, according to the first RGB value set, a compensation RGB value set corresponding to the second RGB value set is determined.
And determining a compensation RGB value set corresponding to the second RGB value set through a preset lookup table. For example, the RGB information in a first set of RGB values is first obtained. Then, the compensation information corresponding to the RGB information in the first RGB value set is searched according to a preset lookup table, so that a compensation RGB value set corresponding to the second RGB value set is obtained.
That is, the step of obtaining the compensated set of RGB values corresponding to the second set of RGB values according to the first set of RGB values may include:
extracting RGB information in the first RGB value set to obtain first RGB information;
and searching the compensation information corresponding to the first RGB information according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set.
It should be noted that the first RGB information may include a pixel value of each region in the preprocessed first display frame. That is, the step of "looking up the compensation information corresponding to the first RGB information according to the preset information look-up table to obtain the compensation RGB value set corresponding to the second RGB value set" may include:
extracting a pixel value corresponding to the first RGB information;
and searching a compensation pixel value corresponding to the pixel value according to the preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set.
For example, the RGB values of the first region in the preprocessed first display frame are: the R value is-1. The first area in the preprocessed second display picture corresponds to the first area in the preprocessed first display picture, and the RGB values of the first area in the preprocessed second display picture are: the R value is 1. Then, the compensated RGB value of the first region in the preprocessed second display screen may be determined according to the RGB value of the first region in the preprocessed first display screen. The other regions are similar and will not be described in detail.
And after the compensation RGB value set is determined, constructing the preprocessed RGB value compensation data of the second display panel according to the compensation RGB value set.
In addition, it should be noted that the information lookup table may be pre-established. That is, before the step of "looking up the compensation information corresponding to each first RGB information according to the preset information lookup table to obtain the compensation RGB value set corresponding to the second RGB value set", after the step of "extracting the RGB information in the first RGB value set to obtain the plurality of first RGB information", the method may further include:
acquiring a basic RGB value information base;
and constructing an information query table according to the RGB value information base and the plurality of first RGB information.
104. And overlapping the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture.
Specifically, the compensated second display picture, the preprocessed first display picture and the display picture are used as input, then the compensated second display picture is sampled, the preprocessed first display picture is sampled, two input pixel values are obtained, and then the compensated display picture is obtained according to the display picture and the two input pixel values.
That is, the step of "superimposing the compensated second display screen and the preprocessed first display screen to obtain the compensated display screen" may include:
sampling the compensated second display picture to obtain a first pixel value set;
sampling the preprocessed first display picture to obtain a second pixel value set;
and synthesizing the first pixel value set, the second pixel value set and the display picture to obtain the compensated display picture.
According to the method, the display picture is preprocessed, and then RGB compensation is performed on the second display picture in the display picture, so that compared with the existing compensation method, the method can compensate the mutation block. Therefore, the problem of uneven display can be solved, and the display effect of the spliced screen is improved.
Correspondingly, please refer to fig. 5, and fig. 5 is a schematic structural diagram of the compensation apparatus for displaying an image according to the present application. The present application further provides a compensation apparatus for a display screen, including:
the preprocessing unit 110 is configured to preprocess the first display image and the second display image to obtain a preprocessed first display image and a preprocessed second display image.
The obtaining unit 120 is configured to obtain RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image.
And the compensation unit 130 is configured to perform RGB compensation on the preprocessed second display image according to the RGB value compensation data, so as to obtain a compensated second display image.
The superimposing unit 140 is configured to superimpose the compensated second display frame and the preprocessed first display frame to obtain a compensated display frame.
In the compensation apparatus for display frames provided by the present application, the preprocessing unit 110 first preprocesses the first display frame and the second display frame to obtain a preprocessed first display frame and a preprocessed second display frame. Then, the obtaining unit 120 obtains RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image. The compensation unit 130 performs RGB compensation on the preprocessed second display image according to the RGB value compensation data to obtain a compensated second display image. Finally, the superimposing unit 140 superimposes the compensated second display image and the preprocessed first display image to obtain a compensated display image. According to the method, the display picture is preprocessed, and then RGB compensation is performed on the second display picture in the display picture, so that compared with the existing compensation method, the method can compensate the mutation block. Therefore, the problem of uneven display can be solved, and the display effect of the spliced screen is improved.
The display screen compensation method and the display screen compensation device provided by the embodiments of the present application are described in detail above, and specific examples are applied herein to explain the principles and embodiments of the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. A compensation method for a display screen, the display screen comprising a first display screen and a second display screen, the method comprising:
respectively acquiring the size information of a first display picture and the size information of a second display picture to obtain first size information and second size information;
respectively acquiring preset gray scale processing pixels corresponding to the first display picture and the second display picture based on the first size information and the second size information to obtain a first preset gray scale processing pixel and a second preset gray scale processing pixel;
filling the first preset gray scale processing pixel to the first display picture, and filling the second preset gray scale processing pixel to the second display picture to obtain a preprocessed first display picture and a preprocessed second display picture;
acquiring RGB value compensation data corresponding to the preprocessed second display picture according to the preprocessed first display picture;
performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture;
and superposing the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture.
2. The compensation method according to claim 1, wherein the step of obtaining RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image comprises:
acquiring an RGB value corresponding to each region in the preprocessed first display picture to obtain a first RGB value set;
acquiring an RGB value corresponding to each region in the preprocessed second display picture to obtain a second RGB value set, wherein each region in the preprocessed second display picture corresponds to a region in the first display picture;
acquiring a compensation RGB value set corresponding to the second RGB value set according to the first RGB value set;
and constructing RGB value compensation data of the preprocessed second display picture according to the compensation RGB value set.
3. The compensation method according to claim 2, wherein the step of obtaining a compensation RGB value set corresponding to the second RGB value set according to the first RGB value set comprises:
extracting RGB information in the first RGB value set to obtain first RGB information;
and searching compensation information corresponding to the first RGB information according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set.
4. The compensation method as claimed in claim 3, wherein the step of looking up the compensation information corresponding to the first RGB information according to a preset information look-up table to obtain the compensation RGB value set corresponding to the second RGB value set comprises:
extracting a pixel value corresponding to the first RGB information;
and searching a compensation pixel value corresponding to the pixel value according to a preset information look-up table to obtain a compensation RGB value set corresponding to the second RGB value set.
5. The compensation method as claimed in claim 3, wherein before the step of looking up the compensation information corresponding to each of the first RGB information according to a preset information lookup table to obtain the compensation RGB value set corresponding to the second RGB value set, the step of extracting the RGB information in the first RGB value set to obtain a plurality of first RGB information further comprises:
acquiring a basic RGB value information base;
and constructing an information query table according to the RGB value information base and the plurality of first RGB information.
6. The compensation method according to claim 1, wherein the step of superimposing the compensated second display frame and the preprocessed first display frame to obtain a compensated display frame comprises:
sampling the compensated second display picture to obtain a first pixel value set;
sampling the preprocessed first display picture to obtain a second pixel value set;
and synthesizing the first pixel value set, the second pixel value set and the display picture to obtain the compensated display picture.
7. The compensation method according to claim 1, wherein the step of obtaining RGB value compensation data corresponding to the preprocessed second display image according to the preprocessed first display image comprises:
extracting the RGB value of the preprocessed first display picture;
and generating RGB value compensation data corresponding to the preprocessed second display picture according to the RGB value of the preprocessed first display picture.
8. The compensation method as claimed in claim 1, wherein the predetermined gray levels include gray level 25, gray level 60 and gray level 255.
9. A compensation apparatus for a display screen, comprising:
the first acquisition unit is used for acquiring the size information of the first display picture and the size information of the second display picture to obtain first size information and second size information;
the second obtaining unit is used for respectively obtaining the preset gray scale processing pixels corresponding to the first display picture and the second display picture based on the first size information and the second size information to obtain a first preset gray scale processing pixel and a second preset gray scale processing pixel;
the filling unit is used for filling the first preset gray scale processing pixel to the first display picture and filling the second preset gray scale processing pixel to the second display picture to obtain a preprocessed first display picture and a preprocessed second display picture;
a third obtaining unit, configured to obtain, according to the preprocessed first display picture, RGB value compensation data corresponding to the preprocessed second display picture;
the compensation unit is used for performing RGB compensation on the preprocessed second display picture according to the RGB value compensation data to obtain a compensated second display picture;
and the superposition unit is used for superposing the compensated second display picture and the preprocessed first display picture to obtain a compensated display picture.
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| CN201811565628.0A CN109584771B (en) | 2018-12-20 | 2018-12-20 | Display screen compensation method and compensation device |
| PCT/CN2019/077291 WO2020124800A1 (en) | 2018-12-20 | 2019-03-07 | Display image compensation method and compensation device |
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| KR101127829B1 (en) * | 2005-12-07 | 2012-03-20 | 엘지디스플레이 주식회사 | Flat Display Panel, Manufacturing Method thereof, Manufacturing Apparatus thereof, Picture Quality Controlling Apparatus thereof and Picture Quality Controlling Method thereof |
| CN101968956B (en) * | 2010-10-15 | 2012-10-03 | 广东威创视讯科技股份有限公司 | Color calibration method of display units |
| CN102801899A (en) * | 2012-08-29 | 2012-11-28 | 广东威创视讯科技股份有限公司 | Method and device for improving image display quality of spliced screen |
| CN103050109B (en) * | 2012-12-25 | 2015-04-29 | 广东威创视讯科技股份有限公司 | Color correction method and system for multi-screen display device |
| CN103500566B (en) * | 2013-09-29 | 2016-10-05 | 京东方科技集团股份有限公司 | Display device, display brightness inequality improve device and ameliorative way |
| KR102175702B1 (en) * | 2013-12-30 | 2020-11-09 | 삼성디스플레이 주식회사 | Method of compensating mura of display apparatus and vision inspection apparatus performing the method |
| CN105679263B (en) * | 2016-02-01 | 2018-07-20 | 深圳市华星光电技术有限公司 | Method and system for splicing display device display color |
| CN106228943B (en) * | 2016-10-11 | 2018-11-09 | 深圳市华星光电技术有限公司 | Image gray-scale level method of adjustment and adjusting apparatus |
| CN107274848A (en) * | 2017-07-28 | 2017-10-20 | 北京京东方多媒体科技有限公司 | A kind of method, the debugging apparatus of mosaic screen and system for debugging mosaic screen |
| CN108281107A (en) * | 2018-01-26 | 2018-07-13 | 京东方科技集团股份有限公司 | It is a kind of display color of image compensation method and splicing display device |
| 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 |
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