# US 11,113,999 B2 · Data processing method, display device, and computer-readable storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,113,999 B2 - Document ID: US11113999B2 - Status: Granted - Kind: B2 - Application number: 16/241,926 - Filed: 2019-01-07 - Published: 2020-03-05 - Granted: 2021-09-07 - Earliest claimed: 2018-09-03 - Assignees: Chongqing Hkc Optoelectronics Technology Co., Ltd.; Hkc Corporation Limited - Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd.; HKC Corporation Limited - Inventors: Yunchuan Hu; Wenqin Zhao - Web page: https://patentgrep.com/patent/US11113999B2 ## CPC - G09G 3/006: {Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays (testing individual LED's G01R31/2635; testing lamps G01R31/44; testing of optical features of LCD displays G02F1/1309)} - G09G 3/3607: {for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels (display of colours in flat matrix panels other than liquid crystal displays G09G3/2003; grey scales specific for television H04N3/127)} - G09G 5/18: Timing circuits for raster scan displays (specially adapted for television H04N {; synchronisation between the display unit and other display units, videodisc player G09G5/12}) - G09G 2320/0233: Improving the luminance or brightness uniformity across the screen - G09G 2320/0242: Compensation of deficiencies in the appearance of colours - G09G 2330/10: Dealing with defective pixels - G09G 2360/16: Calculation or use of calculated indices related to luminance levels in display data - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract Disclosed is a data processing method, the data processing method includes: determining image data captured in preset grayscale; determining first compensation data of display defect according to the image data; and generating compensation data of the display defect according to the first compensation data and data of the preset grayscale. ## Claims ### Claim 1 A data processing method, wherein, the data processing method comprises: determining image data captured in preset grayscale; determining first compensation data of display defect according to the image data, wherein the first compensation data is data for compensation in addition to data of the preset grayscale, the first compensation data is to be recorded in a memory of a display apparatus, and the data of the preset grayscale is not to be recorded in the memory of the display apparatus; and composing compensation data of the display defect by the first compensation data and the data of the preset grayscale; for the compensation data, recording only the first compensation data into the memory of the display apparatus in a form of a relative value, wherein each first compensation data occupies only one address of the memory; and repairing the display defect according to the compensation data which is generated by the recorded first compensation data and the data of the preset grayscale, when compensating a display image. ### Claim 2 (depends on 1) The data processing method according to claim 1, wherein, the operation of composing compensation data of the display defect by the first compensation data and the data of the preset grayscale comprises: composing grayscale compensation data of the display defect by the first compensation data and grayscale data of the preset grayscale, when the compensation data is the grayscale compensation data; and composing color deviation compensation data of the display defect by the first compensation data and chrominance data of the preset grayscale, when the compensation data is the color deviation compensation data. ### Claim 3 (depends on 2) The data processing method according to claim 2, wherein, the operation of determining first compensation data of display defect according to the image data comprises: captured images comprising a plurality of image data, when the preset grayscale comprises a plurality of grayscale data; respectively determining a plurality of second compensation data of the display defect according to the plurality of image data; and calculating the first compensation data of the display defect, according to the plurality of second compensation data and a preset calculation manner. ### Claim 4 (depends on 2) The data processing method according to claim 2, wherein, the operation of determining first compensation data of display defect according to the image data comprises: acquiring a compensation precision of the display defect; and determining the first compensation data of the display defect according to the compensation precision and the image data. ### Claim 5 (depends on 1) The data processing method according to claim 1, wherein, after the operation of determining image data captured in preset grayscale, the data processing method further comprises: determining whether the display defect is existed in a display apparatus according to the image data and a preset identification algorithm; and if yes, performing the operation of determining the first compensation data of display defect according to the image data. ### Claim 6 (depends on 5) The data processing method according to claim 5, wherein, the preset identification algorithm comprises identification manners of contrast enhancement, brightness gradient, and color deviation calculation. ### Claim 7 (depends on 1) The data processing method according to claim 1, wherein, the operation of for the compensation data, recording only the first compensation data into a memory of a display apparatus in a form of a relative value comprises: compressing the first compensation data; and recording the compressed first compensation data into the memory of the display apparatus. ### Claim 8 (depends on 7) The data processing method according to claim 7, wherein, the operation of compressing the first compensation data comprises: acquiring a first compensation data table of the display device, and extracting the compensation data according to an extraction period comprising four adjacent rows based on the first compensation data table. ### Claim 9 (depends on 8) The data processing method according to claim 8, wherein, the operation of extracting the compensation data according to an extraction period comprising four adjacent rows based on the first compensation data table comprises: extracting the compensation data of odd columns in the first row; extracting the compensation data of even columns in the third row and extracting the compensation data of the first column in the third row. ### Claim 10 (depends on 1) The data processing method according to claim 1, wherein, the operation of determining first compensation data of display defect according to the image data comprises: captured images comprising a plurality of image data, when the preset grayscale comprises a plurality of grayscale data; respectively determining a plurality of second compensation data of the display defect according to the plurality of image data; and calculating the first compensation data of the display defect, according to the plurality of second compensation data and a preset calculation manner. ### Claim 11 (depends on 1) The data processing method according to claim 1, wherein, the operation of determining first compensation data of display defect according to the image data comprises: acquiring a compensation precision of the display defect; and determining the first compensation data of the display defect according to the compensation precision and the image data. ### Claim 12 A display device, wherein, the display device comprises a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor to implement the following operations: determining image data captured in preset grayscale; determining first compensation data of display defect according to the image data, wherein the first compensation data is data for compensation in addition to data of the preset grayscale, the first compensation data is to be recorded in a memory of a display apparatus, and the data of the preset grayscale is not to be recorded in the memory of the display apparatus; and composing compensation data of the display defect by the first compensation data and the data of the preset grayscale; for the compensation data, recording only the first compensation data into a memory of a display apparatus in a form of a relative value, wherein each first compensation data occupies only one address of the memory; and repairing the display defect according to the compensation data which is generated by the recorded first compensation data and the data of the preset grayscale, when compensating a display image. ### Claim 13 (depends on 12) The display device according to claim 12, wherein, the display device comprises a display panel and a timing sequence controller connected to the display panel, the timing sequence controller is loaded with a data processing control device, and the display panel performs display under the control of the timing sequence controller. ### Claim 14 (depends on 12) The display device of claim 12, wherein, the operation of composing compensation data of the display defect according to the first compensation data and the data of the preset grayscale comprises: composing grayscale compensation data of the display defect by the first compensation data and grayscale data of the preset grayscale, when the compensation data is the grayscale compensation data; and composing color deviation compensation data of the display defect by the first compensation data and chrominance data of the preset grayscale, when the compensation data is the color deviation compensation data. ### Claim 15 (depends on 12) The display device of claim 12, wherein, the operation of determining first compensation data of display defect according to the image data comprises: captured images comprising a plurality of image data, when the preset grayscale comprises a plurality of grayscale data; respectively determining a plurality of second compensation data of the display defect according to the plurality of image data; and calculating the first compensation data of the display defect, according to the plurality of second compensation data and a preset calculation manner. ### Claim 16 (depends on 12) The display device according to claim 12, wherein, the operation of determining first compensation data of display defect according to the image data comprises: acquiring a compensation precision of the display defect; and determining the first compensation data of the display defect according to the compensation precision and the image data. ### Claim 17 A non-transitory computer-readable storage medium, wherein, the computer-readable storage medium stores a data processing program, the data processing program when being executed by a processor performs the following operations: determining image data captured in preset grayscale; determining first compensation data of display defect according to the image data, wherein the first compensation data is data for compensation in addition to data of the preset grayscale, the first compensation data is to be recorded in a memory of a display apparatus, and the data of the preset grayscale is not to be recorded in the memory of the display apparatus; and composing compensation data of the display defect by the first compensation data and the data of the preset grayscale; for the compensation data, recording only the first compensation data into a memory of a display apparatus in a form of a relative value, wherein each first compensation data occupies only one address of the memory; and repairing the display defect according to the compensation data which is generated by the recorded first compensation data and the data of the preset grayscale, when compensating a display image.