CN110136649A - Mura compensation method, device, computer equipment and the storage medium of display panel - Google Patents
Mura compensation method, device, computer equipment and the storage medium of display panel Download PDFInfo
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- CN110136649A CN110136649A CN201910403163.7A CN201910403163A CN110136649A CN 110136649 A CN110136649 A CN 110136649A CN 201910403163 A CN201910403163 A CN 201910403163A CN 110136649 A CN110136649 A CN 110136649A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application involves mura compensation method, system, computer equipment and the storage mediums of a kind of display panel.The described method includes: lighting the display panel, the display panel includes the feature sub-pixel at least two colors lighted；The brightness data of the display panel is acquired under preset gray scale；Extract the present intensity data of the feature sub-pixel of at least two color respectively according to the brightness data；According to the present intensity data of the feature sub-pixel of at least two color, the brightness offset value of the display panel is determined.Picture photographing number can be reduced using this method, to save shooting time, improve compensation efficiency.
Description
Technical field
This application involves field of display technology, more particularly to mura compensation method, device, the calculating of a kind of display panel
Machine equipment and storage medium.
Background technique
With the development of display technology, AMOLED (Active-matrix organic light-emitting diode,
Active matrix organic light-emitting diode) display panel is because that it has high contrast, ultra-thin, flexible many advantages, such as is wide
General use.AMOLED display panel would generally occur showing the non-uniform problem of picture brightness due to technique, material etc.,
Referred to as mura.For the display effect for improving display panel, need to compensate display panel, compensation technique is generally divided into inside
Compensation and external compensation.Wherein, external compensation can be divided into optics extraction-type and electricity according to the different of data pick-up method again
Extraction-type.The mode that optics extracts is also referred to as Demura, method flexible advantage simple with structure, therefore at this stage
It is widely adopted.
Demura refers to display panel is lighted after luminance signal is extracted by the method that optical CCD camera is taken pictures
And it is compensated according to brightness data.Currently, because of high-resolution, the demand of high display effect, the resolution ratio of display panel is more next
Higher, when handling plurality of pictures, the time for obtaining raw display data in display panel is increasingly longer, increases a large amount of test
Time then reduces compensation efficiency.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of display that can be improved display panel compensation efficiency
Mura compensation method, device, computer equipment and the storage medium of panel.
A kind of mura compensation method of display panel, which comprises
The display panel is lighted, the display panel includes the feature sub-pixel at least two colors lighted；
The brightness data of the display panel is acquired under preset gray scale；
Extract the present intensity data of the feature sub-pixel of at least two color respectively according to the brightness data；
According to the present intensity data of the feature sub-pixel of at least two color, the luminance compensation of display panel is determined
Value.
The brightness data for obtaining the detection picture in one of the embodiments, and extraction is described at least respectively
The present intensity data of the feature sub-pixel of two kinds of colors include:
The brightness data for obtaining the detection picture divides according to the position of the feature sub-pixel of at least two color
Indescribably take the present intensity data of the feature sub-pixel of at least two color.
In one of the embodiments, according to the present intensity data of the feature sub-pixel of at least two color, really
The brightness offset value of the display panel includes: calmly
According to the present intensity data of the feature sub-pixel of at least two color, calculate each same in the detection picture
A kind of luminance mean value of the feature sub-pixel of color；
According to the present intensity data of the luminance mean value and the feature sub-pixel of the color, determine corresponding described
The brightness offset value of feature sub-pixel；
According to the brightness offset value of the feature sub-pixel, the brightness offset value of the display panel is determined.
The feature sub-pixel according to the luminance mean value and the color is current in one of the embodiments,
Brightness data determines that the brightness offset value of the corresponding feature sub-pixel includes:
The present intensity data of the luminance mean value and the feature sub-pixel are made the difference, the difference is corresponding institute
State the corresponding brightness offset value of feature sub-pixel.
The display panel further includes non-lit up other sons in addition to the feature sub-pixel in one of the embodiments,
Pixel；
The brightness offset value according to the feature sub-pixel determines that the brightness offset value of the display panel includes:
According to the brightness offset value of the feature sub-pixel, the bright of other sub-pixels is obtained using linear interpolation algorithm
Spend offset.
In one of the embodiments, further include: each sub- picture in the detection picture determined according to the preset gray scale
The brightness offset value of element, determines the brightness offset value of each sub-pixel under other grayscale.
Each sub-pixel in the detection picture determined according to the preset gray scale in one of the embodiments,
Brightness offset value determines that the brightness offset value of each sub-pixel under other grayscale includes:
The brightness offset value of each sub-pixel in the detection picture determined according to the preset gray scale, using Gamma2.2
Curve determines the brightness offset value of each sub-pixel under other grayscale.
A kind of mura compensation device of display panel, described device include:
Module is lighted, for lighting the display panel, the display panel includes the spy at least two colors lighted
Levy sub-pixel；
Acquisition module, for acquiring the brightness data of the display panel under preset gray scale；
Data extraction module, for extracting the feature sub-pixel of at least two color respectively according to the brightness data
Present intensity data；
Luminance compensation module is determined for the present intensity data according to the feature sub-pixel of at least two color
The brightness offset value of display panel.
A kind of computer equipment can be run on a memory and on a processor including memory, processor and storage
The step of computer program, the processor realize preceding method when executing the computer program.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
The step of preceding method is realized when row.
Mura compensation method, device, computer equipment and the storage medium of above-mentioned display panel, preset gray scale next time
The feature sub-pixel clapping whole sub-picture, and lighting in the image includes at least two in the color to be measured such as R, G, B, obtains display
The present intensity data that the feature sub-pixel of at least two colors can be obtained when panel luminance data simultaneously, compared to traditional skill
Single picture only shows solid color in art, and three kinds of colors need to shoot three times, and the present embodiment can be under single grayscale by picture
Face shooting number is reduced to 2 times or 1 time by 3 times, is saved the shooting time in compensation process, is improved compensation efficiency.
Detailed description of the invention
Fig. 1 is display panel mura offset data acquisition device figure in one embodiment；
Fig. 2 is the flow diagram of display panel mura compensation method in one embodiment；
Fig. 3 is the linear graph of linear interpolation algorithm in one embodiment；
Fig. 4 is the structural block diagram of display panel mura compensation device in one embodiment；
Fig. 5 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Illustrate the acquisition process of mura offset data below in conjunction with Fig. 1.System shown in Fig. 1 include display panel 101,
Image collecting device 102 and terminal 103.Wherein, display panel 101 is the display panel for needing to compensate, in preset gray scale
Lower display detects picture, detects the sub-pixel including at least two colors in tri- kinds of colors of R, G, B in picture.Image collecting device
The image of 102 acquisition testing pictures, and acquired image is sent to terminal 103.Terminal 103 detects picture according to image zooming-out
Luminance compensation data are transferred to display surface by the present intensity data in face and according to present intensity data acquisition luminance compensation data
Display panel 101 can be compensated after plate 101, to obtain object brightness data.
In one embodiment, it as shown in Fig. 2, providing a kind of mura compensation method of display panel, answers in this way
For being illustrated for the system in Fig. 1, comprising the following steps:
Step 202: lighting display panel, display panel includes the feature sub-pixel at least two colors lighted.
In the present embodiment, display panel can be liquid crystal display panel, LED display panel or organic light emission two
Any one in pole pipe display panel.In test, display panel is lighted and shows preset detection under preset gray scale
Picture.Wherein, preset gray scale can be multiple grayscale, measure the corresponding offset data of display panel under each grayscale respectively, and
According to the offset data under preset gray scale, the offset data under other grayscale is obtained.
Display panel includes the sub-pixel of array arrangement, and the color of sub-pixel includes three primary colours, i.e. R (RED, red), G
(GREEN, green), B (BLUE, blue).The sub-pixel lighted in display panel is characterized sub-pixel, and the color of feature sub-pixel can be with
It is at least two in three primary colours, that is, the feature sub-pixel lighted can be the sub-pixel of two kinds of colors, be also possible to three kinds of face
The sub-pixel of color.When the color of feature sub-pixel is two kinds, the feature of part two kinds of colors in display panel can be lighted
Sub-pixel can also light the feature sub-pixel of all two kinds of colors.Equally may be used when the color of feature sub-pixel is three kinds
To light the feature sub-pixel of Partial Feature sub-pixel or whole.
The present embodiment can acquire the detection picture of display panel by charge-coupled device, wherein charge-coupled device
It can be CCD camera.
Step 204: the brightness data of display panel is acquired under preset gray scale.
When acquiring the display panel lighted by CCD camera, the brightness number of display panel sub-pixel everywhere can be shown
According to, wherein non-lit up sub-pixel luminence is zero, the brightness non-zero of feature sub-pixel.
If lighting the feature sub-pixel of two kinds of colors, the display data for acquiring display panel twice are needed, to obtain three kinds
The display data of the feature sub-pixel of color.If lighting the feature sub-pixel of three kinds of colors, display panel of acquisition is only needed
Display data can be obtained three kinds of colors feature sub-pixel display data.
Step 206, the present intensity data of the feature sub-pixel of at least two colors are extracted respectively according to brightness data.
Due to the position of the sub-pixel of three kinds of colors in display panel be it is fixed, collect display data after, can
The current of the corresponding feature sub-pixel of at least two colors can be extracted respectively according to the color of feature sub-pixel arrangement position
Brightness data.
For example, then finding red feature sub-pixel respectively when the feature sub-pixel for having lighted three kinds of colors in display panel
Position, the position of green characteristic sub-pixel and the position of blue characteristics sub-pixel, and extract corresponding red feature sub- picture
Brightness, the brightness of green characteristic sub-pixel and the brightness of blue characteristics sub-pixel of element, the brightness are characterized working as sub-pixel
Preceding brightness data.
Step 208, according to the present intensity data of the feature sub-pixel of at least two colors, the brightness of display panel is determined
Offset.
Theoretically, on display panel on each position the brightness of sub-pixel answer it is identical, but due to factors such as technique and materials,
The phenomenon that leading to meeting brightness disproportionation in actual product, therefore, it is necessary to be compensated to display panel, so that sub-pixel everywhere is bright
It spends identical.After the present intensity data for obtaining feature sub-pixel, working as according to three kinds of corresponding feature sub-pixels of color respectively
Preceding brightness data carries out luminance compensation to the feature sub-pixel of corresponding color.For example, obtaining the current bright of red feature sub-pixel
Degree is after, according to the bright of the present intensity data of all red feature sub-pixels and red feature sub-pixel to be compensated
Degree, calculates the brightness offset value of the red feature sub-pixel to be compensated to compensate.
After the brightness offset value of each feature sub-pixel is calculated, other non-lit up sons can be calculated according to algorithm
The brightness offset value of pixel, and then determine the brightness offset value that all sub-pixels in picture are entirely detected under current gray.
In the mura compensation method of above-mentioned display panel, whole sub-picture, and point in the image are clapped next time in preset gray scale
Bright feature sub-pixel includes at least two in tri- kinds of colors to be measured of R, G, B, obtain display data when can obtain simultaneously to
The present intensity data of few kind of color characteristic sub-pixel only show solid color compared to picture single in traditional technology, three kinds
Color needs to shoot three times, and picture photographing number can be reduced to 2 times or 1 time by the present embodiment under single grayscale by 3 times, reduces
1/3~2/3 shooting time, improves compensation efficiency in compensation process.
In one of the embodiments, according to the present intensity data of the feature sub-pixel of at least two colors, determine aobvious
Show that the brightness offset value of panel specifically includes: according to the present intensity data of the feature sub-pixel of at least two colors, calculating inspection
Survey the luminance mean value of the feature sub-pixel of same color in picture.According to the luminance mean value and the feature sub-pixel of the color
Present intensity data determine the brightness offset value of corresponding feature sub-pixel, according to the brightness offset value of feature sub-pixel, determine
The brightness offset value of entire display panel.
The present embodiment collects display panel to be illustrated for obtaining the brightness offset value of red feature sub-pixel
After brightness data, according to the position of feature sub-pixel, the present intensity data of all red feature sub-pixels are extracted, and calculate
The luminance mean value of all red feature sub-pixels.When compensating to a certain red feature sub-pixel, red feature is calculated
Difference between the present intensity data and luminance mean value of pixel, the difference are that the brightness of corresponding red feature sub-pixel is mended
Repay value.When actually compensating, which is converted into current value and is compensated.
When the feature sub-pixel in display panel is two kinds of colors, first light in display panel in tri- kinds of colors of R, G, B
The feature sub-pixel of any two kinds of colors, and the bright of each of two kinds of colors feature sub-pixel is obtained using the above method
Spend offset.Then the feature sub- picture of any color in the third color and two kinds of front color in display panel is lighted again
Element obtains the brightness offset value of the feature sub-pixel of the third color also with the above method.
When the color of the feature sub-pixel in display panel includes three kinds, then the brightness of a display panel need to be only acquired
Data, and the brightness of the feature sub-pixel of three kinds of colors is extracted, it is utilized according to the feature sub-pixel luminence of three kinds of colors upper
Method is stated to compensate each feature sub-pixel.
The present embodiment can once obtain the brightness of the feature sub-pixel of three kinds of colors by reducing shooting number, shooting,
Shooting can obtain the brightness of the feature sub-pixel of at least two colors twice, save 1/3~2/3 shooting time, improve
Compensation efficiency.
In one of the embodiments, according to the brightness offset value of feature sub-pixel, the luminance compensation of display panel is obtained
Value specifically includes: according to the offset of feature sub-pixel, the brightness offset value of other sub-pixels is determined using linear interpolation algorithm.
Specifically, display panel includes the feature sub-pixel lighted, it may also comprise other non-lit up sub-pixels.Work as display
It, can be using linear after the brightness offset value for determining each feature sub-pixel when panel includes other non-lit up sub-pixels
Interpolation algorithm calculates the brightness offset value of other sub-pixels of other positions, can be obtained under current gray and owns on display panel
The brightness offset value of sub-pixel.
For example, 2 and 3 be two feature sub- pictures as shown in figure 3, horizontal axis coordinate 1 and 4 respectively represents two feature sub-pixels
Other sub-pixels between element.Since the brightness offset value of feature sub-pixel is it is known that assume to be respectively 7 and 4, then in the present embodiment
Linear functional relation can be established according to the brightness offset value of two feature sub-pixels.According to linear interpolation algorithm, the function
Slope is (7-4)/(1-4)=- 1, then the compensation value calculation result of other sub-pixels 2 is 7-1* (2-1)=6, similarly, other sons
The compensation value calculation result of pixel 3 is 7-1* (3-1)=5, thus can calculate the bright of every other sub-pixel in display panel
Spend offset.
In the present embodiment, after the brightness offset value for determining feature sub-pixel, it can be determined and be shown according to linear interpolation algorithm
The brightness offset value of other sub-pixels of panel other positions, algorithm is simple, not high to equipment requirement, can save production cost.
It is determined under preset gray scale in display panel after the brightness offset value of each sub-pixel in one of the embodiments,
It may further determine that the brightness offset value of the next sub-pixel of other grayscale.
Specifically, the bright of each sub-pixel in same detection picture can be calculated separately to obtain under multiple grayscale in the present embodiment
Degree offset simultaneously stores.When needing to obtain a certain brightness offset value that do not test under grayscale, two adjacent with the grayscale are chosen
Brightness offset value under preset gray scale utilizes the brightness offset value of sub-pixel under the Gamma2.2 curve acquisition grayscale.For example,
Know bright under the brightness offset value under preset 32 grayscale, the brightness offset value under preset 64 grayscale and preset 255 grayscale
When spending offset, when needing to know the brightness offset value under 40 grayscale, then according to the brightness offset value under preset 32 grayscale
With the brightness offset value under 64 grayscale, using Gamma2.2 curve you can learn that brightness offset value under 40 grayscale.
In one embodiment, as shown in figure 4, providing a kind of mura compensation device of display panel, comprising: light mould
Block 410, acquisition module 420, data extraction module 430 and luminance compensation module 440, in which:
Module 410 is lighted for lighting display panel, and display panel includes feature at least two colors lighted
Pixel.
Acquisition module 420, for acquiring the brightness data of display panel under preset gray scale.
Data extraction module 430, the feature sub-pixel for extracting according to brightness data at least two colors respectively are worked as
Preceding brightness data.
Luminance compensation module 440 determines aobvious for the present intensity data according to the feature sub-pixels of at least two colors
Show the brightness offset value of panel.
The specific restriction of mura compensation device about display panel may refer to above for mura compensation method
It limits, details are not described herein.Modules in above-mentioned mura device can come fully or partially through software, hardware and combinations thereof
It realizes.Above-mentioned each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also be with software
Form is stored in the memory in computer equipment, executes the corresponding operation of the above modules in order to which processor calls.
Above-mentioned mura compensation device includes tri- kinds of colors to be measured of R, G, B in the image by shooting whole sub-picture under preset gray scale
In at least two colors feature sub-pixel, at least two kinds of color spies can be obtained when obtaining the brightness data of display panel simultaneously
The present intensity data for levying sub-pixel, only show solid color compared to picture single in traditional technology, three kinds of colors need to clap
It takes the photograph three times, picture photographing number can be reduced to 1 time or 2 times by the present embodiment under single grayscale by 3 times, be reduced in compensation process
1/3~2/3 shooting time, improves compensation efficiency.
In one embodiment, a kind of computer equipment is provided, which can be terminal, internal structure
Figure can be as shown in Figure 5.The computer equipment includes processor, the memory, network interface, display connected by system bus
Screen and input unit.Wherein, the processor of the computer equipment is for providing calculating and control ability.The computer equipment is deposited
Reservoir includes non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system and computer journey
Sequence.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The network interface of machine equipment is used to communicate with external terminal by network connection.When the computer program is executed by processor with
Realize a kind of mura compensation method of display panel.The display screen of the computer equipment can be liquid crystal display or electronic ink
Water display screen, the input unit of the computer equipment can be the touch layer covered on display screen, be also possible to computer equipment
Key, trace ball or the Trackpad being arranged on shell can also be external keyboard, Trackpad or mouse etc..
It will be understood by those skilled in the art that structure shown in Fig. 5, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment is provided, including memory, processor and storage are on a memory
And the computer program that can be run on a processor.Wherein, above-mentioned display surface is realized when processor executes the computer program
The step of mura compensation method of plate.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes the step of mura compensation method of above-mentioned display panel when being executed by processor.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of mura compensation method of display panel, which is characterized in that the described method includes:
The display panel is lighted, the display panel includes the feature sub-pixel at least two colors lighted；
The brightness data of the display panel is acquired under preset gray scale；
Extract the present intensity data of the feature sub-pixel of at least two color respectively according to the brightness data；
According to the present intensity data of the feature sub-pixel of at least two color, the luminance compensation of the display panel is determined
Value.
2. the method according to claim 1, wherein described obtain the brightness data for detecting picture, and dividing
The present intensity data for indescribably taking the feature sub-pixel of at least two color include:
The brightness data for obtaining the detection picture mentions respectively according to the position of the feature sub-pixel of at least two color
Take the present intensity data of the feature sub-pixel of at least two color.
3. according to the method described in claim 2, it is characterized in that, working as according to the feature sub-pixel of at least two color
Preceding brightness data determines that the brightness offset value of the display panel includes:
According to the present intensity data of the feature sub-pixel of at least described two colors, same face in the detection picture is calculated
The luminance mean value of the feature sub-pixel of color；
According to the present intensity data of the luminance mean value and the feature sub-pixel of the color, the corresponding feature is determined
The brightness offset value of sub-pixel；
According to the brightness offset value of the feature sub-pixel, the brightness offset value of the display panel is determined.
4. according to the method described in claim 3, it is characterized in that, the spy according to the luminance mean value and the color
The present intensity data for levying sub-pixel, determine that the brightness offset value of the corresponding feature sub-pixel includes:
The present intensity data of the luminance mean value and the feature sub-pixel are made the difference, the difference is the corresponding spy
Levy the brightness offset value of sub-pixel.
5. according to the method described in claim 3, it is characterized in that, the display panel further includes in addition to the feature sub-pixel
Other non-lit up sub-pixels；
The brightness offset value according to the feature sub-pixel determines that the brightness offset value of the display panel includes:
According to the brightness offset value of the feature sub-pixel, mended using the brightness that linear interpolation algorithm obtains other sub-pixels
Repay value.
6. according to the method described in claim 5, it is characterized by further comprising:
The brightness offset value of each sub-pixel in the detection picture determined according to the preset gray scale determines each under other grayscale
The brightness offset value of sub-pixel.
7. according to the method described in claim 6, it is characterized in that, the detection picture determined according to the preset gray scale
The brightness offset value of each sub-pixel in face determines that the brightness offset value of each sub-pixel under other grayscale includes:
The brightness offset value of each sub-pixel in the detection picture determined according to the preset gray scale, using Gamma2.2 curve
Determine the brightness offset value of each sub-pixel under other grayscale.
8. a kind of mura compensation device of display panel, which is characterized in that described device includes:
Module is lighted, for lighting the display panel, the display panel includes feature at least two colors lighted
Pixel；
Acquisition module, for acquiring the brightness data of the display panel under preset gray scale；
Data extraction module, the feature sub-pixel for extracting according to the brightness data at least two color respectively are worked as
Preceding brightness data；
Luminance compensation module determines display panel for the brightness data according to the feature sub-pixel of at least two color
Brightness offset value.
9. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor realizes any one of claims 1 to 7 institute when executing the computer program
The step of stating method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 7 is realized when being executed by processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910403163.7A CN110136649A (en) | 2019-05-15 | 2019-05-15 | Mura compensation method, device, computer equipment and the storage medium of display panel |
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| CN201910403163.7A CN110136649A (en) | 2019-05-15 | 2019-05-15 | Mura compensation method, device, computer equipment and the storage medium of display panel |
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| CN110136649A true CN110136649A (en) | 2019-08-16 |
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