CN108845784A - A kind of display screen Mura compensation method and device - Google Patents
A kind of display screen Mura compensation method and device Download PDFInfo
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- CN108845784A CN108845784A CN201810512384.3A CN201810512384A CN108845784A CN 108845784 A CN108845784 A CN 108845784A CN 201810512384 A CN201810512384 A CN 201810512384A CN 108845784 A CN108845784 A CN 108845784A
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- mura
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- correction software
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Present invention discloses a kind of display screen Mura compensation method and device, method includes that the first equipment that will run Mura correction software and the second equipment are established and communicated to connect, and second equipment is equipped with the display screen compensated to Mura；Mura correction software control display screen shows at least one gray scale image, and the first equipment takes pictures in real time to gray scale image；Mura correction software carries out analysis acquisition Mura offset data to the gray scale image of shooting and writes the data into the second equipment.By the present invention in that quickly and conveniently Mura compensation can be carried out to display screen with the equipment of operation Mura correction software, the burn-in of display screen is solved the problems, such as, the correction suitable for the device display screens burn-in such as mobile phone, tablet computer.
Description
Technical field
The present invention relates to a kind of display screen technology fields, more particularly, to a kind of display screen Mura compensation method and device.
Background technique
With the continuous development of science and technology, the mobile devices such as mobile phone, tablet computer are more and more intelligent, mobile phone, tablet computer
In be equipped with medium of the various sizes of display screen as human-computer interaction.Display screen is in process of production due to some uncontrollable
The physical characteristic that factor will lead to each pixel unit on display panel has differences, when so that display panel showing gray level image
The brightness irregularities phenomenon of appearance, becomes Mura phenomenon.In order to overcome the problems, such as Mura, the display effect of display screen is improved, is shown
Screen production firm generally reduces the probability that display panel generates Mura phenomenon by improving production technology, but in production process
In or can not avoid that display screen is made not generate Mura phenomenon completely.The display screen that there are problems that Mura is corrected, usually
It is corrected using the equipment of profession, maintenance cost is high.In addition, to the mobile terminal device for being equipped with display screen, such as mobile phone, plate
Computer etc. is easy to produce burn-in problem in use, is for this problem usually replacement display screen to solve, replacement display
Screen is so that maintenance cost is high.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of display screen Mura compensation method and device are provided,
The problem of being able to solve display screen burn-in.
To achieve the above object, the following technical solutions are proposed by the present invention：A kind of display screen Mura compensation method, including it is as follows
Step：
Will run Mura correction software the first equipment and the second equipment establish communicate to connect, second equipment be equipped with to
The display screen of Mura compensation, and the second equipment has Mura information table；
First equipment controls display screen by Mura correction software and shows at least one gray scale image, and claps in real time
Take the photograph the gray scale image；
Mura correction software carries out analysis to the gray scale image of shooting and obtains Mura offset data, and by Mura offset data
It is written in Mura information table.
Preferably, after first equipment and the second equipment establish communication connection, the Mura correction software is set from second
The standby middle resolution information for obtaining display screen.
Preferably, the Mura correction software obtains Mura offset data according to following steps：
Rectangular coordinate system is established on gray scale image according to the resolution ratio of the display screen, and generates energy map；
The coordinate and the picture of the pixel unit for needing Mura to compensate on display screen are obtained to the energy atlas analysis
The Mura offset of plain unit.
Preferably, the storage medium for storing the Mura information table is equipped in second equipment, the storage medium can
Read-write.
Preferably, the Mura correction software controls its operation by least one control button.
Preferably, the control button includes that button is written in display control button, image analysis button and data, described aobvious
Show that control button shows gray scale image for controlling the display screen in the second equipment；Described image analysis button is for controlling Mura
Correction software carries out analysis to the gray scale image of shooting and obtains Mura offset data；The data write-in button is for controlling Mura
Correction software Mura offset data is written in the Mura information table of the second equipment.
A kind of display screen Mura compensation device, the first equipment and the second equipment including establishing communication connection between the two,
Wherein, Mura correction software is run in first equipment, second equipment is equipped with to the Mura display screen compensated and tool
There is Mura information table, first equipment, which is used to control the display screen in the second equipment by Mura correction software, shows at least one
A gray scale image, and gray scale image described in captured in real-time；And first equipment is also used to through Mura correction software to bat
The gray scale image taken the photograph carries out analysis and obtains Mura offset data, and the Mura information in the second equipment is written in Mura offset data
In table.
Preferably, the Mura correction software controls its operation by least one control button.
Preferably, the control button includes that button is written in display control button, image analysis button and data, described aobvious
Show that control button shows gray scale image for controlling the display screen in the second equipment；Described image analysis button is for controlling Mura
Correction software carries out analysis to the gray scale image of shooting and obtains Mura offset data；The data write-in button is for controlling Mura
Correction software Mura offset data is written in the Mura information table of the second equipment.
Preferably, first equipment and the second equipment are mobile communication equipment.
The beneficial effects of the invention are as follows：
Compared with prior art, display screen Mura compensation method of the present invention and device are by using the operation school Mura
The equipment such as the mobile phone or tablet computer of positive software shoot the image shown to the Mura display screen compensated, and Mura correction software is to figure
As carry out analysis obtain Mura offset data, by Mura offset data be written display screen in, without profession calibrator (-ter) unit,
Cost is saved, the problem of effective solution display screen burn-in.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention schematic diagram；
Fig. 2 is that rectangular coordinate system schematic diagram is established in gray scale image of the invention；
Fig. 3 is the device of the invention schematic diagram.
Specific embodiment
Below in conjunction with attached drawing of the invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention.
A kind of disclosed display screen Mura compensation method and device, by using operation Mura correction software
Equipment carries out photographic analysis to the equipment being equipped with to the Mura display screen compensated and obtains Mura offset data, and the Mura is compensated
In the equipment that data write-in is compensated to Mura, the burn-in of display screen is solved the problems, such as, it is mobile logical to be applicable to mobile phone, tablet computer etc.
Believe equipment.
As shown in Figure 1, a kind of display screen Mura compensation method, includes the following steps：
The first equipment for running Mura correction software and the second equipment are established and are communicated to connect by step S1, and described second sets
It is standby to be equipped with the display screen compensated to Mura, and the second equipment has Mura information table；
Specifically, the first equipment is equipped with first communication module, and the second equipment is equipped with second communication module, and the two passes through
First communication module and second communication module establish communication connection.In the present embodiment, first communication module and second communication module
Selected from one of bluetooth communication, WIFI communication module, it is of course also possible to other communication modules be selected, as 2G is communicated
Module, 3G communication module, 4G communication module etc..Further, bluetooth communication and WIFI communication module can be built in
In one equipment and the second equipment, it can also be connected by corresponding interface with the first equipment and the second equipment, such as Bluetooth communication
Module is connected by USB interface with the first equipment or the second equipment.
The first equipment can not only run Mura correction software in the specific implementation, but also have camera function, therefore,
One of mobile phone, tablet computer may be selected in first equipment, it is of course also possible to select other can run Mura correction software and
Equipment with camera function, such as the computer with camera；Preferred mobile phone, plate are electric in the specific implementation for second equipment
Brain can carry out display screen Mura compensation to mobile phone, tablet computer.
Step S2, first equipment control display screen by Mura correction software and show an at least width gray scale image, and
And gray scale image described in captured in real-time.
Specifically, Mura correction software controls its operation by least one control button.Control button includes control display
Screen display gray scale image display control button.After the first equipment and the second equipment, which are established, to be communicated to connect, by clicking display control
Button processed can make the display screen in the second equipment show an at least width gray scale image.The controllable display screen display of display control button
Show the image of 0~255 grayscale, in the specific implementation, the grayscale of 4 width difference grayscale is shown with display control button control display screen
Image or the gray scale image of 6 width difference grayscale are best.During display screen shows gray scale image, the first equipment is to ash
Rank image is taken pictures in real time, and will be in the storage medium of photo preservation on the first device.
Step S3, Mura correction software carries out analysis to the gray scale image of shooting and obtains Mura offset data, and by Mura
Offset data is written in Mura information table.
Specifically, control button further includes carrying out analysis acquisition to the gray scale image of shooting for controlling Mura correction software
The image analysis button of Mura offset data.Start to carry out gray scale image analysis acquisition Mura after clicking image analysis button
Offset data.Further, Mura correction software obtains Mura offset data according to following steps：
Rectangular coordinate system is established on gray scale image according to the resolution ratio of display screen, after gray scale image binaryzation and will be generated
Energy map；
Mura offset data is obtained to the energy atlas analysis, the Mura offset data includes that Mura is needed to compensate
The coordinate and Mura offset of pixel unit.
Wherein, after the first equipment and the second equipment establish communication connection, Mura correction software can be deposited from the second equipment
Store up the relevant information that display screen is read in the storage medium of display information, such as display screen number, display resolution.Together
When, Mura correction software reads the gray scale image of shooting, and rectangular co-ordinate is established on gray scale image according to display resolution
System.Specifically, gray scale image is divided into several grids according to display resolution first when establishing rectangular coordinate system, each
Grid represents a pixel unit；Finally, establishing rectangular coordinate system by origin of the vertex of any one grid, as shown in Figure 2
The direct coordinate system established on gray scale image according to the resolution ratio (if 1920 × 1080) of display screen, wherein A pixel unit
Coordinate be (1,1), the coordinate of B pixel unit is (1080,1920), and so on, the seat of each pixel unit can be obtained
Mark.Energy map is generated by binaryzation on the basis of rectangular coordinate system.
Energy map is analyzed, the coordinate that the point of energy jump occurs is searched, the coordinate that energy jump occurs needs
The coordinate for the pixel unit for wanting Mura to compensate；And according to the analysis to energy map, the coordinate pair of the generation energy jump is obtained
The energy value that the coordinate of energy jump occurs is modified to normal energy according to the Mura offset by the Mura offset answered
Value, modified energy value is Mura offset.The coordinate for obtaining the generation energy jump to energy atlas analysis is corresponding
When Mura offset, it can be used and the point is compared to method calculating Mura offset with edge pixel unit, trial and error can also be used
Method carries out calculating Mura offset.If the gray value of a certain pixel is 8, the pixel value at edge is 12, then the Mura of the point
Offset is 4.
Further, Mura correction software also has the number that Mura offset data is written to Mura information table in the second equipment
According to write-in button.Mura information table can be write data by clicking the data write-in button after obtaining Mura offset data
In.Specifically, the coordinate information of each pixel unit is stored in Mura information table, Mura correction software will according to coordinate information
Corresponding data are written in Mura information table.The storage medium for storing the Mura information table is equipped in second equipment.The storage
Medium is the storage medium in display screen drive chip, has read-write property.
It compared with prior art, by the present invention in that can be fast with the mobile phone or tablet computer of operation Mura correction software
Speed, the display screen for easily treating Mura compensation are corrected, and without using complicated professional calibrator (-ter) unit, save cost,
Display screen burn-in problem can be efficiently solved.
As shown in figure 3, a kind of display screen Mura compensation device, including the first equipment and the second equipment, the first equipment and the
Two equipment establish communication connection, wherein Mura correction software are run in the first equipment, the second equipment is equipped with and compensates to Mura
Display screen, and also there is Mura information table in the second equipment；Further, the first equipment passes through Mura correction software control the
Display screen in two equipment shows at least one gray scale image, and to gray scale image captured in real-time, while being corrected by Mura soft
Part carries out analysis to the gray scale image of shooting and obtains Mura offset data, and Mura information table is written in the Mura offset data
In.
Specifically, the first equipment and the second equipment are established by first communication module and second communication module communicates to connect,
First communication module and second communication module can be selected from one of bluetooth module, WIFI module.Mura correction software is by least
One control button control operation, control button include display control button, image analysis button and data write-in button.When
After one equipment and the second equipment establish communication connection, the second equipment can control by click display control button and show 0~255
The image of grayscale, when it is implemented, showing that 4 width or 6 width gray-scale figure image positions are best with display screen.First equipment is by gray scale image
After being stored in local storage medium, by clicking image analysis button, Mura correction software carries out analysis to gray scale image and obtains
Obtain Mura offset data.Button is written by click data, Mura information can be written in Mura offset data by Mura correction software
In table.
Technology contents and technical characteristic of the invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various without departing substantially from replacement and modification of the invention, and be this patent Shen
Please claim covered.
Claims (10)
1. a kind of display screen Mura compensation method, which is characterized in that include the following steps：
The first equipment for running Mura correction software and the second equipment are established and communicated to connect, second equipment is equipped with to Mura
The display screen of compensation, and the second equipment has Mura information table；
First equipment controls display screen by Mura correction software and shows at least one gray scale image, and captured in real-time institute
State gray scale image；
Mura correction software carries out analysis to the gray scale image of shooting and obtains Mura offset data, and Mura offset data is written
In Mura information table.
2. the method according to claim 1, wherein first equipment and the second equipment are established and are communicated to connect
Afterwards, the Mura correction software obtains the resolution information of display screen from the second equipment.
3. according to the method described in claim 2, it is characterized in that, the Mura correction software obtains Mura according to following steps
Offset data：
Rectangular coordinate system is established on gray scale image according to the resolution ratio of the display screen, will generate energy after gray scale image binaryzation
Spirogram spectrum；
The coordinate and the pixel list of the pixel unit for needing Mura to compensate on display screen are obtained to the energy atlas analysis
The Mura offset of member.
4. storing the Mura information table the method according to claim 1, wherein being equipped in second equipment
Storage medium, the storage medium is read-write.
5. the method according to claim 1, wherein the Mura correction software is by least one control button control
Make its operation.
6. according to the method described in claim 5, it is characterized in that, the control button includes display control button, image point
It analyses button and button is written in data, the display screen that the display control button is used to control in the second equipment shows gray scale image；
Described image analysis button carries out analysis acquisition Mura offset data to the gray scale image of shooting for controlling Mura correction software；
The data write-in button is used to control Mura correction software and Mura offset data is written in the Mura information table of the second equipment.
7. a kind of display screen Mura compensation device, which is characterized in that including establish between the two communication connection the first equipment and
Second equipment, Mura correction software is run in first equipment, and second equipment is equipped with the display screen compensated to Mura
And have Mura information table, first equipment be used for by Mura correction software control the second equipment on display screen show to
A few gray scale image, and gray scale image described in captured in real-time；And first equipment is also used to through Mura correction software
Analysis is carried out to the gray scale image of shooting and obtains Mura offset data, and the Mura in the second equipment is written into Mura offset data
In information table.
8. device according to claim 7, which is characterized in that the Mura correction software is by least one control button control
Make its operation.
9. device according to claim 8, which is characterized in that the control button includes display control button, image point
It analyses button and button is written in data, the display screen that the display control button is used to control in the second equipment shows gray scale image；
Described image analysis button carries out analysis acquisition Mura offset data to the gray scale image of shooting for controlling Mura correction software；
The data write-in button is used to control Mura correction software and Mura offset data is written in the Mura information table of the second equipment.
10. device according to claim 7, which is characterized in that first equipment and the second equipment are mobile communication
Equipment.
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| CN201810512384.3A CN108845784A (en) | 2018-05-25 | 2018-05-25 | A kind of display screen Mura compensation method and device |
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| CN201810512384.3A CN108845784A (en) | 2018-05-25 | 2018-05-25 | A kind of display screen Mura compensation method and device |
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| CN111383610A (en) * | 2018-12-26 | 2020-07-07 | 硅工厂股份有限公司 | Mura correction driver |
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Address after: 518063 2405, yuemeite building, No. 1, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong Applicant after: Howell touch and display technology (Shenzhen) Co.,Ltd. Address before: 518000 Room 601, east block, Haibin City, Wenxin 5th Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: GIGADISPLAY SEMICONDUCTOR Co.,Ltd. |
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Application publication date: 20181120 |