CN106412549B - Brightness of image method of adjustment and device - Google Patents
Brightness of image method of adjustment and device Download PDFInfo
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- CN106412549B CN106412549B CN201610970744.5A CN201610970744A CN106412549B CN 106412549 B CN106412549 B CN 106412549B CN 201610970744 A CN201610970744 A CN 201610970744A CN 106412549 B CN106412549 B CN 106412549B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a kind of brightness of image method of adjustment and devices, belong to display technology field.The method includes：Obtain first image of the display screen when showing low grey menu；Determine the brightness offset value of each pixel of described first image, the brightness offset value is used for the brightness value compensation of pixel to more than or equal to normal brightness value, the normal brightness value is the brightness value of low grayscale；According to the brightness offset value of each pixel of described first image, the corresponding pixel points of target image are compensated, the target image is the image for being in the same display cycle on the display screen with described first image.The present invention can make the brightness value of each pixel in the target image after luminance compensation be greater than or equal to normal brightness value, and then improve the brightness uniformity of the target image shown by display screen, that is to say the uniformity for improving low grey menu.The present invention is adjusted for brightness of image.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of brightness of image method of adjustment and device.
Background technology
Liquid crystal display be by array substrate and color membrane substrates to box after, centre be added liquid crystal complete.Liquid crystal display
Screen is obtained bright, dark effect to the rotatory power of light using liquid crystal and can be generated colourful using the effect of color membrane substrates
Color image, to achieve the purpose that display.
With the continuous development of display technology, requirement of the every field to display technology is also gradually increased, certain application necks
The dark picture that domain shows display screen is more demanding, and dark picture refers to the brightness of each pixel in the picture that display screen is shown
Value is relatively low, that is to say that the picture that display screen is shown is low grey menu.
But due to technique limitation and liquid crystal display internal stress etc., display screen be still susceptible to dark picture uniformity compared with
Low problem.
Invention content
In order to solve the problems, such as that display screen is susceptible to that dark picture uniformity is relatively low, and the embodiment of the present invention carries in the prior art
A kind of brightness of image method of adjustment and device are supplied.The technical solution is as follows：
On the one hand, a kind of brightness of image method of adjustment is provided, the method includes：
Obtain first image of the display screen when showing low grey menu；
Determine that the brightness offset value of each pixel of described first image, the brightness offset value are used for pixel
Brightness value compensates to more than or equal to normal brightness value, the normal brightness value is the brightness value of low grayscale；
According to the brightness offset value of each pixel of described first image, the corresponding pixel points of target image are mended
It repays, the target image is the image for being in the same display cycle on the display screen with described first image.
Optionally, the brightness offset value of each pixel of the determining described first image, including：
The normal brightness value is chosen in the brightness value of each pixel of described first image；
Set of pixels to be compensated is filtered out in described first image, the set of pixels to be compensated includes：Brightness value is less than described
The pixel of normal brightness value；
Determine the brightness offset value of each pixel of described first image, wherein each in the set of pixels to be compensated
The brightness offset value of pixel is equal to the difference of the normal brightness value and the brightness value of each pixel, first figure
The brightness offset value of other pixels as in is 0, other described pixels are that the picture to be compensated is removed in described first image
Pixel except the pixel that element is concentrated.
Optionally, first image for obtaining display screen when showing low grey menu, including：
First image of the display screen when showing low grey menu is captured using linear camera.
Optionally, first image for obtaining display screen when showing low grey menu, including：
Obtain first image of the display screen when showing zero grey menu；
The normal brightness value is N, 0≤N≤10.
Optionally, the display cycle is m frames, m >=1.
On the other hand, a kind of brightness of image adjusting apparatus is provided, described image brightness adjusting device includes：
Acquiring unit, for obtaining first image of the display screen when showing low grey menu；
Determination unit, the brightness offset value of each pixel for determining described first image, the brightness offset value
For by the compensation of the brightness value of pixel to more than or be equal to normal brightness value, the normal brightness value is the brightness of low grayscale
Value；
Compensating unit is used for the brightness offset value of each pixel according to described first image, to pair of target image
Pixel is answered to compensate, the target image is the figure for being in the same display cycle on the display screen with described first image
Picture.
Optionally, the determination unit, is used for：
The normal brightness value is chosen in the brightness value of each pixel of described first image；
Set of pixels to be compensated is filtered out in described first image, the set of pixels to be compensated includes：Brightness value is less than described
The pixel of normal brightness value；
Determine the brightness offset value of each pixel of described first image, wherein each in the set of pixels to be compensated
The brightness offset value of pixel is equal to the difference of the normal brightness value and the brightness value of each pixel, first figure
The brightness offset value of other pixels as in is 0, other described pixels are that the picture to be compensated is removed in described first image
Pixel except the pixel that element is concentrated.
Optionally, the acquiring unit, is used for：
First image of the display screen when showing low grey menu is captured using linear camera.
Optionally, the acquiring unit, is used for：
Obtain first image of the display screen when showing zero grey menu；
The normal brightness value is N, 0≤N≤10.
Optionally, the display cycle is m frames, m >=1.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
An embodiment of the present invention provides a kind of brightness of image method of adjustment and devices, by determining low ash shown by display screen
The brightness offset value of each pixel of the first image when rank picture, according to the brightness offset value to the mesh in same period
The corresponding pixel points of logo image carry out luminance compensation, and the brightness value of each pixel in target image can be made after luminance compensation
More than or equal to normal brightness value, and then the brightness uniformity of the target image shown by display screen is improved, that is to say raising
The uniformity of low grey menu.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of flow chart of brightness of image method of adjustment provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of zero grey menu provided in an embodiment of the present invention；
Fig. 3 is a kind of the first image schematic diagram of zero grey menu provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow diagram for determining pixel brightness offset value that inventive embodiments provide；
Fig. 5 is a kind of brightness offset value schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the image schematic diagram after a kind of luminance compensation provided in an embodiment of the present invention；
Fig. 7 is a kind of block diagram of brightness of image adjusting apparatus provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
An embodiment of the present invention provides a kind of brightness of image methods of adjustment, and referring to Fig. 1, this method flow is specific as follows：
Step 101 obtains first image of the display screen when showing low grey menu.
Step 102, determine the first image each pixel brightness offset value, brightness offset value is used for pixel
Brightness value compensates to more than or equal to normal brightness value, normal brightness value is the brightness value of low grayscale.
Step 103, the brightness offset value according to each pixel of the first image click through the respective pixel of target image
Row compensation, target image are the image for being in the same display cycle on display screen with the first image.
In conclusion an embodiment of the present invention provides a kind of brightness of image method of adjustment, by determining shown by display screen
The brightness offset value of each pixel of the first image when low grey menu, according to the brightness offset value to being in same period
The corresponding pixel points of target image carry out luminance compensation, the bright of each pixel in target image can be made after luminance compensation
Angle value is greater than or equal to normal brightness value, and then improves the brightness uniformity of the target image shown by display screen, that is to say
Improve the uniformity of low grey menu.
Each point on the LCD screen of user's finding of naked eye, i.e. a pixel, each pixel can be by red green
Blue (english abbreviation：RGB) three pixel component compositions.Each pixel, the light source of behind can show different
Gray scale.Grayscale is represented by most secretly to the stratum level of different brightness most bright, level is more, the picture that can be presented
Face effect is also finer and smoother, has corresponding brightness value for the brightness (i.e. grayscale) of each different stage.It is certain in practical application
Application field only allows display screen to show dark picture, and has higher requirement to the dark picture uniformity of display, illustratively, should
Application field can be aviation field, in aviation field, need to show Flight Information etc. by dark picture using display screen.Its
In, dark picture refer to each pixel in the picture that display screen is shown have lower brightness value, corresponding grayscale compared with
It is low, it that is to say that the picture that display screen is shown is low grey menu.Due to user to show screen display low grey menu it is equal
Even property is more sensitive, it is therefore possible to use brightness of image method of adjustment provided in an embodiment of the present invention adjusts low grey menu
Picture uniformity improves user experience so as to improve visual effect.
It should be noted that low grey menu is the picture that grayscale is less than certain threshold value, which can be according to specific
The structural adjustment of display screen, the embodiment of the present invention are not construed as limiting this.For example, zero grey menu and a grey menu belong to
Low grey menu, it should be noted that in the embodiment of the present invention, n grey menus refer to that grayscale is the picture of n, for example, zero ash
Rank picture refers to that grayscale is 0 picture.Due to user to the susceptibility of zero grey menu uniformity shown by display screen compared with
Height, the embodiment of the present invention can be illustrated as example.Specifically, the embodiment of the present invention is with the display screen of 8*8 resolution ratio
Example illustrates, as shown in Fig. 2, Fig. 2 is a kind of ideal zero grey menu, by lighting display screen, it can be made to show zero
Grey menu, wherein the brightness value of each pixel in zero grey menu is 0.
Further, in a step 101, obtaining first image of the display screen when showing low grey menu may include：
Obtain first image of the display screen when showing zero grey menu.
It should be noted that first image of the linear camera crawl display screen when showing low grey menu may be used.
Optionally, which can be Charged Coupled Device (English：Charge Coupled Device；Referred to as：CCD) camera,
Image-capture precision can be improved using first image of the CCD camera crawl display screen when showing low grey menu.
Exemplary, Fig. 3 is a kind of the first image signal of zero grey menu of actual extracting provided in an embodiment of the present invention
Figure, first image are the image of the display screen that is captured using linear camera when showing zero grey menu.It can from Fig. 3
Go out, the brightness value of the pixel in first image is not all 0, zero grey menu shown this is mainly due to display screen it is equal
Caused by even property is relatively low.Therefore, it is necessary to the brightness offset values of each pixel by determining the first image, are mended according to the brightness
It repays value and luminance compensation is carried out to the corresponding pixel points of the target image in same period, target figure can be made after luminance compensation
The brightness value of each pixel is greater than or equal to normal brightness value as in, to improve the uniformity for the picture that display screen is shown.
In a step 102, as shown in figure 4, the embodiment of the present invention provides a kind of each pixel of the first image of determination
The method of brightness offset value, including：
Step 1021, the selection standard brightness value in the brightness value of each pixel of the first image.
It should be noted that in the case where ensureing the indexs such as display screen contrast and screen size, the present invention is implemented
Example can be according to the demand of the brightness value either user of each pixel in the first image come selection standard brightness value.It is optional
It ground can be by all pictures in the first image when according to the brightness value selection standard brightness value of each pixel in the first image
The average value of the corresponding brightness value of vegetarian refreshments is chosen for normal brightness value, can also be chosen for the highest brightness value of certain frequency of occurrences
Normal brightness value, the embodiment of the present invention are not construed as limiting the selection standard of the normal brightness value.Meanwhile the embodiment of the present invention is to this
The range of normal brightness value does not also limit, and illustratively, the normal brightness value N of the selection can meet：0≤N≤10.
Illustratively, certain user's specification is referred in embodiments of the present invention, in the brightness value of each pixel of the first image
The normal brightness value of middle selection is 3.It will be as example to brightness of image tune provided in an embodiment of the present invention in the embodiment of the present invention
Adjusting method illustrates.
Step 1022 goes out set of pixels to be compensated in the first optical sieving, and set of pixels to be compensated includes：Brightness value is less than standard
The pixel of brightness value.
The set of pixels to be compensated refers to needing to carry out in the first image the set of all pixels point of luminance compensation, namely
It is all pixels point that brightness value is less than normal brightness value.
Optionally, in the brightness value of each pixel of the first image after selection standard brightness value, can by this first
The brightness value of each pixel in image is compared with the normal brightness value, then, brightness value is less than normal brightness value
Pixel be determined as pixel to be compensated, all pixels to be compensated form the to be compensated of first image in the first image
Set of pixels.
Illustratively, the normal brightness value 3 of the brightness value of each pixel of the first image shown in Fig. 3 and selection is carried out
Compare, then filter out all pixels point that brightness value is less than 3, all pixels point of all brightness values less than 3 constitutes Fig. 3 institutes
The set of pixels to be compensated of the first image shown.With reference to figure 3, in first image brightness value of all pixels point be respectively 0,1,2,
3 and 4, correspondingly, the corresponding set of pixels to be compensated of first image includes that brightness value is 0, brightness value is 1 and brightness in Fig. 3
The all pixels point that value is 2.
Step 1023, determine the first image each pixel brightness offset value.
Wherein, the brightness offset value of each pixel is equal to the normal brightness value chosen and each picture in set of pixels to be compensated
The difference of the brightness value of vegetarian refreshments.Pixel in first image in addition to the pixel in set of pixels to be compensated, that is to say brightness
Value does not carry out luminance compensation equal to or more than the pixel of normal brightness value to it, i.e., its corresponding brightness offset value is 0.
Exemplary, Fig. 5 is the brightness offset value schematic diagram of the first image shown in Fig. 3.Corresponding to Fig. 3, Fig. 3 is corresponding to be waited for
Compensation pixel collection includes all pixels point that all brightness values are 0, brightness value is 1 and brightness value is 2, the set of pixels to be compensated
In each pixel brightness offset value be equal to the normal brightness value 3 and each pixel chosen brightness value (be respectively 0,1 and
2) difference.The pixel that pixel in the image in addition to the pixel in set of pixels to be compensated, i.e. brightness value are 3 and 4
Its brightness offset value is 0.Brightness offset value schematic diagram shown in fig. 5 has been obtained as a result, such as：The first row first row picture in Fig. 3
The brightness value of vegetarian refreshments is 4, and the brightness value of the pixel is more than the normal brightness value 3 chosen, and there is no need to the bright of the pixel
Angle value compensates, then its brightness offset value is 0, in as Fig. 5 shown in+the 0 of the first row first row；The first row second in Fig. 3
The brightness value of row pixel is 2, and the brightness value of the pixel is less than the normal brightness value 3 chosen, and therefore, brightness offset value is
3 and 2 difference 1, in as Fig. 5 shown in+the 1 of the first row secondary series, the calculating of the brightness offset value of other pixels can refer to
The corresponding calculating process of two above pixel brightness offset value, the embodiment of the present invention repeat no more it.
It should be noted that "+" indicates compensation in Fig. 5.
In step 103, according to the brightness offset value of each pixel of the first image, to the respective pixel of target image
The process that point compensates that is to say the brightness offset value of each pixel of the first image determined in step 102 and acquisition
The brightness value of respective pixel point of target image do addition, the sum of brightness value of gained is the target image after luminance compensation
In each pixel brightness value.Wherein, the respective pixel of the first image and the target image of acquisition point refers to being located at same
The pixel of position is located on the first image on the brightness offset value and target image of the pixel of the i-th row jth row and is located at the
The brightness value that the added luminance of the pixel of i row jth row obtains, the i-th row jth arranges as in the target image after luminance compensation
Pixel brightness value, 1≤i≤x, 1≤j≤y, x be the first image number of lines of pixels, y be the first image pixel columns,
And the line number for being located at the image of same display cycle with the first image is equal with the line number of the first image, columns and the first image
Columns it is equal.
For example, being located on the brightness offset value and target image of the pixel of the first row first row on the first image
The brightness value that the added luminance of the pixel of the first row first row obtains, as the first row in the target image after luminance compensation
The brightness value of the pixel of first row.
It should be noted that the target image can be above-mentioned first image, or be in above-mentioned first image
The image of same display cycle, will be typically in first image image of same display cycle be used as target image into
Row compensation.
Exemplary, Fig. 6 is the image after a kind of luminance compensation of Fig. 3.The embodiment of the present invention according to figure 5 mend by brightness
It repays value and luminance compensation is carried out to the corresponding pixel points of zero grey menu shown in Fig. 3, after the completion of luminance compensation, what display screen was shown
Zero grey menu after luminance compensation is shown in Fig. 6, and is showing the carry out brightness using linear camera crawl display screen
Zero grey menu after compensation is shown in Fig. 6.It will be seen from figure 6 that each picture in the image after luminance compensation
The brightness value of the brightness value of vegetarian refreshments is all higher than or equal to selected normal brightness value 3, therefore, figure provided in an embodiment of the present invention
Image brightness method of adjustment is effectively improved the uniformity of zero grey menu.
Wherein, which is m frames, and m >=1, which determines generally according to the performance of display screen, such as locates
Manage the processing capacity of device.For example, it is assumed that a certain display can show that 12 frame pictures, the display cycle can be 12 frames for one second,
When the image to next period carries out luminance compensation, specific implementation process can refer to above-mentioned steps 101 to the mistake of step 103
Journey, details are not described herein for the embodiment of the present invention.
In conclusion an embodiment of the present invention provides a kind of brightness of image method of adjustment, by determining shown by display screen
The brightness offset value of each pixel of the first image when low grey menu, according to the brightness offset value to being in same period
The corresponding pixel points of target image carry out luminance compensation, the bright of each pixel in target image can be made after luminance compensation
Angle value is greater than or equal to normal brightness value, and then improves the brightness uniformity of the target image shown by display screen, that is to say
Improve the uniformity of low grey menu.
Referring to Fig. 7, an embodiment of the present invention provides a kind of brightness of image adjusting apparatus 70, which includes：It obtains single
Member 701, determination unit 702 and compensating unit 703.
Acquiring unit 701, for obtaining first image of the display screen when showing low grey menu.
Determination unit 702, the brightness offset value of each pixel for determining the first image, brightness offset value is used for will
The brightness value of pixel compensates to more than or equal to normal brightness value, normal brightness value is the brightness value of low grayscale.
Compensating unit 703 is used for the brightness offset value of each pixel according to the first image, to the correspondence of target image
Pixel compensates, and target image is the image for being in the same display cycle on display screen with the first image.
In conclusion an embodiment of the present invention provides a kind of brightness of image adjusting apparatus, is determined and shown by determination unit
The brightness offset value of each pixel of the first image shown by screen when low grey menu is mended by compensating unit according to the brightness
It repays value and luminance compensation is carried out to the corresponding pixel points of the target image in same period, target figure can be made after luminance compensation
The brightness value of each pixel is greater than or equal to normal brightness value as in, and then improves target image shown by display screen
Brightness uniformity that is to say the uniformity for improving low grey menu.
Optionally, determination unit 702 are used for：
The selection standard brightness value in the brightness value of each pixel of the first image；Go out in the first optical sieving to be compensated
Set of pixels, set of pixels to be compensated include:Brightness value is less than the pixel of normal brightness value；Determine each pixel of the first image
Brightness offset value, wherein the brightness offset value of each pixel is equal to normal brightness value and each picture in set of pixels to be compensated
The brightness offset value of the difference of the brightness value of vegetarian refreshments, other pixels in the first image is 0, other pixels are the first image
In pixel in addition to the pixel in set of pixels to be compensated.
Optionally, acquiring unit 701 are used for：Using linear camera crawl display screen when showing low grey menu the
One image.
Optionally, acquiring unit 701 are used for：Obtain first image of the display screen when showing zero grey menu.
Wherein, normal brightness value N meets：0≤N≤10.
Optionally, the display cycle is m frames, m >=1.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
It with the specific work process of unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In conclusion an embodiment of the present invention provides a kind of brightness of image adjusting apparatus, is determined and shown by determination unit
The brightness offset value of each pixel of the first image shown by screen when low grey menu is mended by compensating unit according to the brightness
It repays value and luminance compensation is carried out to the corresponding pixel points of the target image in same period, target figure can be made after luminance compensation
The brightness value of each pixel is greater than or equal to normal brightness value as in, and then improves target image shown by display screen
Brightness uniformity that is to say the uniformity for improving low grey menu.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of brightness of image method of adjustment, which is characterized in that including：
Obtain first image of the display screen when showing low grey menu；
The selection standard brightness value in the brightness value of each pixel of described first image, the normal brightness value are low grayscale
Brightness value；
Set of pixels to be compensated is filtered out in described first image, the set of pixels to be compensated includes：Brightness value is less than the standard
The pixel of brightness value；
Determine the brightness offset value of each pixel of described first image, wherein the brightness offset value is used for pixel
Brightness value compensation to more than or be equal to the normal brightness value, the luminance compensation of each pixel in the set of pixels to be compensated
Value is equal to the difference of the normal brightness value and the brightness value of each pixel, other pixels in described first image
Brightness offset value be 0, other described pixels be in described first image except the pixel in the set of pixels to be compensated it
Outer pixel；
According to the brightness offset value of each pixel of described first image, the corresponding pixel points of target image are compensated,
The target image is the image for being in the same display cycle on the display screen with described first image.
2. according to the method described in claim 1, it is characterized in that, obtain display screen when showing low grey menu the
One image, including：
First image of the display screen when showing low grey menu is captured using linear camera.
3. according to the method described in claim 1, it is characterized in that,
First image that display screen is obtained when showing low grey menu, including：
Obtain first image of the display screen when showing zero grey menu；
The normal brightness value is N, 0≤N≤10.
4. method according to any one of claims 1 to 3, which is characterized in that the display cycle is m frames, m >=1.
5. a kind of brightness of image adjusting apparatus, which is characterized in that including：
Acquiring unit, for obtaining first image of the display screen when showing low grey menu；
Determination unit, for selection standard brightness value, the standard in the brightness value of each pixel of described first image
Brightness value is the brightness value of low grayscale；
Set of pixels to be compensated is filtered out in described first image, the set of pixels to be compensated includes：Brightness value is less than the standard
The pixel of brightness value；
Determine the brightness offset value of each pixel of described first image, wherein the brightness offset value is used for pixel
Brightness value compensation to more than or be equal to the normal brightness value, the luminance compensation of each pixel in the set of pixels to be compensated
Value is equal to the difference of the normal brightness value and the brightness value of each pixel, other pixels in described first image
Brightness offset value be 0, other described pixels be in described first image except the pixel in the set of pixels to be compensated it
Outer pixel；
Compensating unit is used for the brightness offset value of each pixel according to described first image, to the correspondence picture of target image
Vegetarian refreshments compensates, and the target image is the image for being in the same display cycle on the display screen with described first image.
6. brightness of image adjusting apparatus according to claim 5, which is characterized in that the acquiring unit is used for：
First image of the display screen when showing low grey menu is captured using linear camera.
7. brightness of image adjusting apparatus according to claim 5, which is characterized in that
The acquiring unit, is used for：
Obtain first image of the display screen when showing zero grey menu；
The normal brightness value is N, 0≤N≤10.
8. according to any brightness of image adjusting apparatus of claim 5 to 7, which is characterized in that the display cycle is m
Frame, m >=1.
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| CN107657916B (en) * | 2017-09-26 | 2020-05-08 | 惠科股份有限公司 | Method, structure and restoration system for generating image compensation signal |
| CN110176209B (en) | 2018-02-27 | 2021-01-22 | 京东方科技集团股份有限公司 | Optical compensation method and optical compensation apparatus for display panel |
| CN110675527B (en) * | 2019-09-28 | 2021-01-29 | 侯小芳 | On-site prevention device for porcelain collision behavior |
| CN113160758B (en) * | 2021-03-03 | 2022-12-02 | 华源智信半导体(深圳)有限公司 | Direct type mini-LED backlight module and brightness compensation method and correction system of display device |
| CN113241030B (en) * | 2021-04-27 | 2022-12-16 | 广东小天才科技有限公司 | Display screen brightness compensation method and device and electronic equipment |
| CN113870779A (en) * | 2021-09-14 | 2021-12-31 | 安徽亿普拉斯科技有限公司 | Method for adjusting uneven OLED display |
| CN114898706B (en) * | 2022-05-18 | 2023-10-31 | 昆山国显光电有限公司 | Display screen brightness compensation method and device and computer equipment |
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