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47results about How to "Eliminate brightness differences" patented technology
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Large cultural heritage picture pattern split-joint method based on characteristic
InactiveCN101110122AImprove efficiencyFusion with natureImage enhancementImage mosaickingAngular point
A mosaicking method for large breadth cultural heritage image is provided, which relates to the technical field of image matching and image mosaicking. The invention comprises the following processing procedures: 1) aiming at the features of cultural heritage image, adopt an angle point detection method to extract the angle point of image, which can be taken as image feature for the matching of images; 2) calculate gradient of straight line connected between the matching points of nearby images, and; adopt a clustering method to pre-select the correlation points between images by utilizing the similarity of gradient; 3) adopt a best route method to generate a smaller mosaicking route with little pixel value, so as to evade the area with big pixel difference and remove the ghost image; 4) use a brightness component in HIS color space and blend the brightness via weighted function formula according to the mosaicking route. Compared with other mosaicking method, the method provided in the invention is able to greatly improve the speed for image mosaicking, eliminate the brightness difference of image, remove the ghost image in mosaicking and realize ideal mosaicking result.
Owner:BEIJING UNIV OF TECH
Image splicing method and device
ActiveCN104346788AEfficient processingImprove stitching qualityImage enhancementCorrelation coefficientImage splicing
Provided is an image splicing method and device. The method comprises the steps that position matching is performed on a first image and a second image based on a pyramid-structured normalized orthogonal correlation coefficient and sub-pixel estimation, and the first image and the second image are two adjacent images to be spliced; and an image splicing edge is confirmed according to the result of position matching, and splicing of the first image and the second image is completed along the image splicing edge. Rapid and high-efficiency image splicing can be realized by the technical scheme, and higher splicing precision can also be guaranteed.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
Method and apparatus for component recognition
InactiveUS7050623B1Eliminate brightness differencesEliminate differencesCharacter and pattern recognitionMetal working apparatusImage resolutionComputer science
Adjustment of image pickup conditions through alternative selection of two cameras different in resolution, adjustment of image lightness of a to-be-recognized component based on component information of the component, and performing control allows an image of the component to be picked up by either one of the cameras under the image pickup conditions.
Owner:GK BRIDGE 1
Point-by-point correction method for LED display screen
ActiveCN110689841AEliminate transitions from light to darkEliminate brightness differencesStatic indicating devicesLED displayMaterials science
The invention discloses a point-by-point correction method for an LED display screen, and belongs to the field of LED display screen correction, and the method comprises the steps: S100, obtaining thebrightness value of each LED single lamp on an LED display screen; S200, calculating to obtain a standard brightness value of each LED single lamp based on a gradient descent method according to thebrightness values of all the LED single lamps; S300, calculating a correction coefficient of each LED single lamp according to the brightness value of each LED single lamp and the standard brightnessvalue; and S400, correcting the LED display screen according to the correction coefficient of each LED single lamp. According to the invention, the brightness difference between the LED single lamps can be well eliminated, the uniformity of the LED display screen is remarkably improved, and the display quality is improved.
Owner:颜色空间(北京)科技有限公司
Brightness equalization method and device for vehicle-mounted surround view system
InactiveCN107330872AUniform brightnessStable brightnessImage enhancementGeometric image transformationReference imagePixel brightness
The invention discloses a brightness equalization method and apparatus for a vehicle-mounted surround view system. The method includes the steps of determining, according to magnitudes of brightness changes of historical images taken by a plurality of cameras, a current image taken by one camera as a first reference image; determining a current image captured by a camera located on the opposite side of the camera photographing the first reference image as a second reference image; determining, for an adjacent image located at the same side of the first reference image and the second reference image and taken currently by another camera, a brightness correction value of the adjacent image according to a first brightness difference and a second brightness difference of the adjacent image; and correcting the pixel brightness of the adjacent image according to the determined brightness correction value. The method of the invention can ensure the brightness consistency of a spliced image, make a fusion transition area more natural, and cause no occurrence of an obvious change of brightness to the whole spliced image, thereby facilitating the observation by a user and improving the user experience.
Owner:宁波舜宇智行传感技术有限公司
Touch control panel and liquid crystal display device
ActiveCN104808860AAvoid interferenceEliminate brightness differencesNon-linear opticsInput/output processes for data processingLiquid-crystal displayBrightness perception
The invention discloses a touch control panel and a liquid crystal display device. The touch control panel comprises a plurality of touch control electrodes and a plurality of conductive grids, wherein each touch control electrode is located inside one corresponding conductive grid; at least two touch control electrode groups are formed by the touch control electrodes, at least two conductive network units which are insulated from each other are formed by the conductive grids, and each conductive network unit corresponds to at least one touch control electrode group. Each touch control electrode group and the corresponding conductive network unit can be prevented from being interfered by other touch control electrode groups and conductive network units, and the generated voltage difference is reduced, so that the brightness difference between touch control electrode corresponding areas and conductive network unit corresponding areas during displaying is eliminated.
Owner:XIAMEN TIANMA MICRO ELECTRONICS +1
Backlight module and liquid crystal display
InactiveCN104534304AReduce or even eliminate brightness differencesEliminate brightness differencesPoint-like light sourceElectric circuit arrangementsLiquid-crystal displayLight guide
The invention relates to a backlight module and a liquid crystal display. The backlight module comprises a light conducting plate, and a light source which is arranged at the light incoming side of the light conducting plate; the light source comprises a plurality of lighting points which are linearly arranged at intervals; reflecting parts are arranged at intervals in the reflecting side of the light source, away from the light conducting plate, wherein the reflecting parts directly face the part between adjacent lighting points; the scattered light irradiated into the intervals can be reflected into the light conducting plate through the reflecting parts. According to the backlight module, the brightness in a light source area is uniform, so that the high brightness point in a liquid crystal display can be completely reduced and even removed.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Display backlight brightness control method and device, electronic equipment and storage medium
ActiveCN113470581AReduce flickerEliminate brightness differencesStatic indicating devicesDisplay deviceGrey level
The embodiment of the invention provides a display backlight brightness control method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a target refresh rate and a target gray scale corresponding to a next image frame to be displayed by a display; determining a target compensation coefficient corresponding to the next image frame based on the target refresh rate, the target gray scale and a pre-established corresponding relationship among the refresh rate, the gray scale and the compensation coefficient; determining target backlight brightness based on the target compensation coefficient and the backlight brightness of the display; and adjusting the backlight brightness of the display according to the target backlight brightness. As the compensation coefficient can identify the backlight brightness required to be compensated corresponding to each gray scale under different refresh rates, the target backlight brightness determined based on the target compensation coefficient and the backlight brightness of the display can eliminate the brightness difference caused by different refresh rates corresponding to the same gray scale as much as possible, and furthermore, the picture flicker feeling caused by refresh rate switching of the display can be weakened.
Owner:BEIJING BOE DISPLAY TECH CO LTD +1
Display device
InactiveCN102568334AGood brightness ratioEliminate brightness differencesIdentification meansDisplay deviceComputer science
The invention discloses a display device comprising a display panel module and a back light module. The display panel module is provided with a display area. A first sub-display area and a second sub-display area, which are adjacent to each other, are disposed on the display area. The display panel module is disposed on the back light module. The display panel module is provided with a first average brightness and a second average brightness, after the light is reflected by the first sub-display area and the second sub-display area. The second average brightness is 1.2 times to 2 times of the first average brightness.
Owner:AU OPTRONICS CORP
Brightness adjustment method and device for splicing multiple cameras and portable terminal
ActiveCN109166076AEliminate brightness differencesKeep the details the sameImage enhancementImage analysisComputer terminalVisual perception
The invention provides a brightness adjustment method and device for splicing multiple cameras and a portable terminal. The method comprises the following steps of: acquiring original images of six cameras and corresponding six groups of overlapping region images; mapping the original image of each camera with a luminance mapping function to calculate a total error of image luminance of the six groups of overlapping regions; adjusting the brightness mapping function of each camera separately to minimize the total brightness error; adjusting the optimal mapping function and mapping for panoramic splicing to generate the darkest panoramic splicing image with the brightest part and the brightest panoramic splicing image with the darkest part; generating a panoramic mosaic image by fusing a dark panoramic mosaic image and a bright panoramic mosaic image. The technical scheme of the invention realizes the elimination of the brightness difference of the overlapping area by adjusting the brightness mapping function of the camera with independent exposure, keeps the details of the brightness and the darkness of the image unchanged, and better improves the visual effect of the panoramic image.
Owner:SHENZHEN ARASHI VISION CO LTD
Magnified backlight device made of a plurality of light guiding panel cells which are successively connected side by side with overlap
InactiveCN102997124ASmall sizeEasy to installOptical light guidesIlluminated signsLight guideCell assembly
The invention provides a magnified backlight device made of a plurality of light guiding panel cells which are successively connected side by side with overlap, and particularly a magnified light guiding panel backlight device used for an advertising board, wherein the plurality of light guiding panel cells are connected side by side. A panel group receiving-supporting frame part provides a receiving space, wherein the receiving space is sufficiently large so that the receiving space is adapted to thermal expansion coefficient differences of the light guiding panels after the light guiding panel cell assemblies are received, supports the front part and the back part and does not fix the light guiding panel assemblies so that the light guiding panel assemblies can move laterally, and prevents deformation caused by the thermal expansion coefficient difference between the frame and the light guiding panel cell assemblies. One or a plurality of optical dispersion tubes are fixed to and cover connecting parts of the light guiding panel cells to perform optical dispersion function and separation function, the optical dispersion function compensates low brightness of the connecting parts via refraction and dispersion of light from the connecting parts of the light guiding panels and the adjacent zones, and the separation function is used for preventing an advertising film installed on the light guiding panel cell assemblies from getting close to the light guiding panels due to loosening caused by tension loosening.
Owner:HGM +1
Method for density compensation by drop size adaptation
ActiveUS20170217163A1Density fluctuation be correctedQuick and flexibleVisual presentation using printersOther printing apparatusDrop sizeMechanical engineering
A method for modifying color density values in a dot-based printing system uses a control unit. The control unit implements the modification of the color density values after a raster image has been created and modifies the number and / or size of print dots to be applied to a printing substrate in order to attain pre-defined color density target values.
Owner:HEIDELBERGER DRUCKMASHINEN AG
Display device and control method thereof
PendingCN113823233AEliminate brightness differencesImprove flickeringStatic indicating devicesComputer hardwareDisplay device
The invention discloses a display device and a control method thereof. The display device comprises a display panel, a backlight module and a control module. The backlight module provides a light source for the display panel. The control module adjusts the brightness value of the light source of the backlight module according to the brightness values of the frame pictures under different refresh frequencies. The brightness difference is determined by comparing the brightness value of the frame picture before the refresh frequency is changed with the brightness value of the frame picture after the refresh frequency is changed, and the brightness value of the light source of the backlight module is adjusted according to the brightness difference, so that the brightness difference of the display device caused by different electric leakage degrees under different refresh frequencies can be eliminated, and therefore, the problem that the display device flickers is solved.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Brightness compensation method and correction system of direct type mini-LED backlight module and display device
ActiveCN113160758AImproved Optical Brightness ConsistencyReduce design difficultyStatic indicating devicesDisplay deviceEngineering
The invention discloses a brightness compensation method and correction system of a direct type mini-LED backlight module and a display device, and the brightness compensation method of the direct type mini-LED backlight module comprises the following steps: a partitioning step: partitioning the direct type mini-LED backlight module; an upper and lower limit brightness setting step: setting a brightness upper limit and a brightness lower limit which are not compensated; a judgment step: judging whether the brightness of each partition falls into the brightness upper limit and the brightness lower limit; a brightness compensation step, wherein the brightness compensation step comprises a brightness compensation data acquisition step and a brightness compensation data superposition step. By adopting the brightness compensation method provided by the invention, the optical brightness consistency of large-size backlight can be simply and effectively improved, and the design and processing difficulty of large-size backlight display equipment is reduced, so that the requirements on the aspects of a driving chip, production and manufacturing precision and the like are effectively reduced, and the cost is saved.
Owner:HUAYUAN SEMICON SHENZHEN LTD
Organic light-emitting diode display device
InactiveCN110428775AEliminate brightness differencesStatic indicating devicesDisplay deviceEngineering
The invention provides an organic light-emitting diode display device. The organic light-emitting diode comprises a plurality of organic light-emitting diode light-emitting units. A first side outputterminal is configured to output a first pulse signal. A second side output terminal is configured to output a second pulse signal. The second side output terminal is disposed on the other side different from the first-side output terminal. A plurality of columns of signal lines is connected with at least one organic light-emitting diode light-emitting unit. The plurality of columns of signal lines are arranged side by side. The odd-numbered columns of signal lines are connected to the first-side output terminal, wherein the signal lines in the even-numbered columns are connected with the second side output terminal. The organic light-emitting diode light-emitting unit is configured to emit light according to the first pulse signal or the second pulse signal, so that the brightness difference between the edge and the middle area of a display picture is eliminated. The brightness uniformity of the display picture is improved.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Image processing method and device for remotely driving vehicle
PendingCN119313553Aremove geometric distortionEliminate brightness differencesImage enhancementImage analysisImaging processingImaging quality
The invention discloses an image processing method and device for a remote driving vehicle, and the method comprises the following steps: correcting a to-be-spliced image, and restoring the real scene information; projecting the corrected image to a cylindrical surface with the same focal length; feature point matching is carried out by using an SIFT algorithm, a coordinate conversion relation between the two images is calculated according to a matching result, and the two images are projected into the same coordinate system based on the coordinate conversion relation; brightness error correction is carried out on the image, an energy function used for searching for a suture line is optimized, the optimal suture line is obtained in combination with a dynamic programming algorithm, and the processing delay of the dynamic programming algorithm is optimized; carrying out image splicing; and according to the brightness difference of the image on the suture line, adjusting the splicing result image, and eliminating the suture line. According to the technical scheme disclosed by the invention, splicing seams can be effectively eliminated, the color consistency is ensured, image ghosting is thoroughly eradicated, the processing speed and the image quality of multi-view visual splicing are improved, and reliable visual support is provided for remote driving.
Owner:XIANGTAN UNIV +1
Driver of plasma display screen
InactiveCN1941037AEliminate brightness differencesStatic indicating devicesCold-cathode tubesElectrical impedanceBrightness perception
A driving device for plasma display includes X electrodes enforcing data pulse, Y electrodes enforcing scanning and maintaining pulse, Z electrodes enforcing coordinate supporting pulse. There is a switch on each Y electrode, at one of the switch open scanning pulse is enforced to the selected electrode, the other switches are closed. This invention decreases noise and the discharge effect and eliminate brightness difference caused by coil impedance.
Owner:LG电子(南京)等离子有限公司
Display screen picture compensation method and device and display equipment
PendingCN114255699AEliminate brightness differencesImprove burn-in problemStatic indicating devicesEnergy efficient computingOpticsComputer graphics (images)
The invention provides a display screen picture compensation method and device and display equipment, the display equipment comprises a display screen, and the display screen picture compensation method is applied to the display equipment and comprises the following steps: acquiring use information of the display screen, and determining that the display screen needs to be subjected to brightness compensation according to the use information; entering a verification mode and receiving verification information; the verification information is analyzed, and the position, needing brightness compensation, of the display screen is determined; and performing brightness compensation on the position, needing brightness compensation, of the display screen. According to the display screen picture compensation method provided by the invention, the verification information is analyzed, the position of the display screen needing brightness compensation is determined, and brightness compensation is carried out on the position of the display screen needing brightness compensation, so that the brightness of the position of the display screen where brightness decay occurs can be compensated in time; therefore, the brightness difference between the pixel points at different positions of the display screen is reduced or eliminated, and the burn-in problem of the display device of the OLED display screen is improved.
Owner:HUIZHOU VISION NEW TECH CO LTD
Method and device for splicing images
ActiveCN104346788BEasy to handleImprove stitching qualityImage enhancementCorrelation coefficientComputer science
Provided is an image splicing method and device. The method comprises the steps that position matching is performed on a first image and a second image based on a pyramid-structured normalized orthogonal correlation coefficient and sub-pixel estimation, and the first image and the second image are two adjacent images to be spliced; and an image splicing edge is confirmed according to the result of position matching, and splicing of the first image and the second image is completed along the image splicing edge. Rapid and high-efficiency image splicing can be realized by the technical scheme, and higher splicing precision can also be guaranteed.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
Brightness adjustment method and device
ActiveCN107911629AEliminate brightness differencesTelevision system detailsImage enhancementLightnessBrightness perception
The invention discloses a brightness adjustment method and device. The method comprises the steps that a first coincidence view area and a second coincidence view area are determined for a first imageand a second image, wherein the first image and the second image are stitched; for each first brightness value, a first target brightness value corresponding to the first brightness value is determined; and according to the first target brightness value corresponding to each first brightness value, the brightness value of each third pixel point of the first brightness value in the first image isadjusted to the first target brightness value. According to the embodiment of the invention, according to each first pixel point of the first brightness value in the first coincident view area and thesecond brightness value of each second pixel point corresponding to each first pixel point in the second coincident view area, the first target brightness value corresponding to the first brightnessvalue is determined; the brightness value of each third pixel point of the first brightness value in the first image is adjusted to the corresponding first target brightness value; and the brightnessdifference at the stitching seam of the first image and the second image can be eliminated.
Owner:ZHEJIANG DAHUA TECH CO LTD
Backlight source, backlight module and display device
PendingCN113985656AEliminate brightness differencesReduce adverse effectsNon-linear opticsDisplay deviceTransmittance
The invention provides a backlight source, a backlight module and a display device. The backlight source comprises a substrate, wherein a plurality of light-emitting unit groups are arranged on the substrate, each light-emitting unit group comprises at least one light-emitting unit, a first diffusion film corresponding to an area within the light-emitting angle of the light-emitting unit is arranged on the light-emitting side of the light-emitting unit, the reflectivity of the first diffusion film is greater than the transmissivity, for at least part of the light-emitting units, the substrate is further provided with a first reflection structure surrounding the light-emitting units, and the first reflection structure is used for reflecting light reflected by the first diffusion film in the direction of the area except the light-emitting angles of the light-emitting units. According to the scheme, the brightness difference between the light-emitting unit and the peripheral area can be effectively eliminated, the bad effect of lamp shadow is prevented, and the display effect is improved.
Owner:HEFEI BOE OPTOELECTRONICS TECH +1
Image recognition method and apparatus
ActiveCN106934335AEliminate the effects ofImprove accuracyCharacter and pattern recognitionImage identificationIdentification rate
Owner:南通东华软件有限公司
Large cultural heritage picture pattern split-joint method based on characteristic
InactiveCN100446037CFusion with natureEliminate brightness differencesImage enhancementImage mosaickingAngular point
Owner:BEIJING UNIV OF TECH
LED display point by point correction method
ActiveCN110689841BEliminate transitions from light to darkEliminate brightness differencesStatic indicating devicesLED displayMaterials science
The invention discloses a point-by-point correction method for an LED display screen, and belongs to the field of LED display screen correction, and the method comprises the steps: S100, obtaining thebrightness value of each LED single lamp on an LED display screen; S200, calculating to obtain a standard brightness value of each LED single lamp based on a gradient descent method according to thebrightness values of all the LED single lamps; S300, calculating a correction coefficient of each LED single lamp according to the brightness value of each LED single lamp and the standard brightnessvalue; and S400, correcting the LED display screen according to the correction coefficient of each LED single lamp. According to the invention, the brightness difference between the LED single lamps can be well eliminated, the uniformity of the LED display screen is remarkably improved, and the display quality is improved.
Owner:颜色空间(北京)科技有限公司
A mobile robot image stitching method and device
InactiveCN104463786BImprove robustnessIdeal registration resultImage enhancementGeometric image transformationValue setModel parameters
The invention discloses an image splicing method and device, which are suitable for binocular vision mobile robot platforms. The image splicing technology is used to splice images collected by the robot's binoculars, which can increase the robot's field of view and facilitate the robot to better complete positioning and environment. reconstruction. The method of the present invention includes: using SURF features to extract image sequence feature points to form feature vectors; searching the feature vector space to find feature matching points; using random sampling consistency algorithm (RANSAC) to robustly estimate transformation model parameters; using the transformation model to match The coordinate transformation of the quasi-image is carried out to realize the unification of the coordinates of the image sequence; according to the brightness value of the corresponding matching point, the transformation relationship that the brightness space of the image sequence satisfies is estimated to achieve exposure compensation; the pixel label method is used to determine the pixel value of the image overlapping area to achieve Splicing images to remove ghosts; generate image masks based on the optimal set of label values, and perform Laplacian pyramid fusion on the images.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI
Historical building internal wall damage detection method and system based on image vision
PendingCN122023398AEliminate brightness differencesEnhance texture detailsImage enhancementImage analysisPattern recognitionFeature set
The invention provides a historical building internal wall damage detection method and system based on image vision, and belongs to the field of image vision. The method comprises the following steps: establishing an enhanced image according to an original image of an internal wall of a historical building; performing structure semantic partitioning processing according to the enhanced image to generate a structure semantic region graph; using the structure semantic region map to execute the damaged form extraction processing of the enhanced image in each wall structure region, and constructing a wall damaged form feature set; generating a damage form response field according to the structure semantic region map and the wall body damage form feature set, and forming a wall body damage propagation feature map by combining the structure semantic region map and the wall body damage form feature set; identifying a propagation path, calculating a damage propagation intensity index, and generating a wall damage detection result by using the damage propagation intensity index and the structural semantic region map. Comprehensive and accurate identification of historical building internal wall damage is realized through image visual analysis, and the evolution trend of the damage is effectively reflected.
Owner:CSCEC INT URBAN CONSTR CO LTD
A brightness correction method for left and right two-channel images of a dual-channel camera
InactiveCN108053805BEliminate brightness differencesFacilitates brightness compensation issuesImage enhancementCathode-ray tube indicatorsCorrection methodBrightness perception
The invention discloses a method for correcting the brightness of left and right two-channel images of a dual-channel camera, which comprises the following steps: S1, obtaining the area to be calculated of the left and right two-channel images; Original brightness compensation curve; S3, obtain the value distribution of the original brightness compensation curve; S4, extract the effective extreme value of the value distribution of the original brightness compensation curve; S5, obtain the effective brightness compensation value curve according to the effective extreme value; S6, according to the polynomial parameter The fitting method fits the effective brightness compensation value curve to obtain the fitted parameters; S7, corrects the original brightness compensation curve according to the fitted parameters, and obtains the corrected brightness compensation curve; S8, according to the corrected brightness compensation The curve performs global brightness compensation on the two-channel image to obtain a brightness-corrected image. The invention reduces the debugging difficulty of the analog circuit, has small calculation amount and good correction effect, and is convenient for batch processing.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Method and device for adjusting brightness
ActiveCN107911629BEliminate brightness differencesImage enhancementTelevision system detailsComputer visionComputer science
Owner:ZHEJIANG DAHUA TECH CO LTD
Cell picture splicing method based on gray value
PendingCN113902817AEliminate brightness differencesQuick stitchingImage enhancementImage analysisColor transformationAlgorithm
The invention relates to a gray value-based cell picture splicing method, and the method is characterized in that the method comprises the following steps: (1) shooting and collecting cell pictures; (2) carrying out color conversion on the cell picture, and converting the cell picture from an RGB (Red, Green and Blue) channel to a gray channel; (3) removing noisy points from the cell picture through Gaussian filtering or mean filtering; (4) carrying out dislocation subtraction on the cell picture to eliminate a brightness difference; (5) randomly selecting a region A on the cell picture, moving a sliding block in the region A for multiple times, calculating the mean square error of the region A, and finding out a matching region A1 with the maximum brightness change through the mean square error; (6) calculating a matching error by applying a template matching method, and finding out a point P with a maximum or minimum difference value according to an error range. The method is simple in algorithm and wide in application range, the optimal matching point can be quickly and accurately found, and quick splicing of the cell pictures is realized.
Owner:HANGZHOU ZHIWEI INFORMATION TECH CO LTD
Compensation method and device of display panel and computer readable storage medium
PendingCN114283728AImprove the display effectEliminate brightness differencesStatic indicating devicesEngineeringDuty cycle
The embodiment of the invention provides a compensation method and device of a display panel and a computer readable storage medium. The display panel comprises a first display area and a second display area. The method comprises the following steps: acquiring a plurality of first brightness compensation values of different gray scales, a plurality of second brightness compensation values of different temperatures and a plurality of third brightness compensation values of different brightness levels under different use durations in advance; determining a first brightness compensation value of the current gray scale, a second brightness compensation value of the current temperature and a third brightness compensation value of the current brightness level under the current use duration when the current use duration is greater than or equal to the first duration threshold value; according to the determined first brightness compensation value, the second brightness compensation value and the third brightness compensation value, determining a data voltage compensation amount or a duty ratio of a light-emitting control signal; and performing brightness compensation on the first display area based on the data voltage compensation amount or the duty ratio of the light-emitting control signal. According to the embodiment of the invention, the brightness attenuation difference between the first display area and the second display area can be eliminated.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD