# US 12,112,683 B2 · Display apparatus and control method for display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,112,683 B2 - Document ID: US12112683B2 - Status: Granted - Kind: B2 - Application number: 18/331,159 - Filed: 2023-06-07 - Published: 2024-01-18 - Granted: 2024-10-08 - Earliest claimed: 2022-07-13 - Assignees: Innolux Corporation - Applicants: Innolux Corporation - Inventors: Chien-Hung Chan; Chan-Feng Chiu; Pei-Syun Lian; Wei-Chen Lu; Jen-Jen Hu - Web page: https://patentgrep.com/patent/US12112683B2 ## CPC - G09G 3/2092: {Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto (suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165)} - G09G 3/3614: {Control of polarity reversal in general} - G09G 2310/0254: Control of polarity reversal in general, other than for liquid crystal displays - G09G 2310/0275: Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current - G09G 2320/0209: Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic display - G09G 2320/0252: Improving the response speed - G09G 2320/0693: Calibration of display systems - G09G 2340/16: Determination of a pixel data signal depending on the signal applied in the previous frame - 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 A display apparatus for adjusting image data and a control method for the display apparatus are provided. The display apparatus includes a data line, a first pixel electrode, a second pixel electrode, and a processing circuit. The processing circuit generates first original image data and second original image data according to an original image, and generates display data according to a difference between the second original image data and the first original image data and a relationship between first polarity data and second polarity data. The processing circuit provides the display data to the second pixel electrode through the data line. ## Claims ### Claim 1 A display apparatus, comprising: a data line; a first pixel electrode, coupled to the data line and receiving first display data during a first period; a second pixel electrode, coupled to the data line and receiving second display data during a second period following the first period; and a processing circuit, configured to generate first polarity data and second polarity data, and generate first original image data corresponding to the first polarity data and second original image data corresponding to the second polarity data according to an original image, generate the second display data according to a difference between the second original image data and the first original image data and a relationship between the second polarity data and the first polarity data, and provide the second display data to the second pixel electrode through the data line. ### Claim 2 (depends on 1) The display apparatus according to claim 1, wherein the first pixel electrode and the second pixel electrode are respectively located on a same side of the data line. ### Claim 3 (depends on 1) The display apparatus according to claim 1, wherein the first pixel electrode and the second pixel electrode are respectively located on two sides of the data line. ### Claim 4 (depends on 1) The display apparatus according to claim 1, wherein the first polarity data is equal to the second polarity data. ### Claim 5 (depends on 4) The display apparatus according to claim 4, wherein when the first polarity data is equal to the second polarity data, the processing circuit judges that a polarity of the second original image data is not switched compared with a polarity of the first original image data. ### Claim 6 (depends on 4) The display apparatus according to claim 4, wherein the processing circuit generates the second display data according to a first lookup table. ### Claim 7 (depends on 6) The display apparatus according to claim 6, wherein when the difference between the second original image data and the first original image data is greater than a default value, the processing circuit generates the second display data according to the first lookup table. ### Claim 8 (depends on 4) The display apparatus according to claim 4, wherein when the difference between the second original image data and the first original image data is less than or equal to a default value, the processing circuit converts the second original image data into the second display data. ### Claim 9 (depends on 1) The display apparatus according to claim 1, wherein the first polarity data is not equal to the second polarity data. ### Claim 10 (depends on 9) The display apparatus according to claim 9, wherein when the first polarity data is equal to the second polarity data, the processing circuit judges that a polarity of the second original image data is switched compared with a polarity of the first original image data. ### Claim 11 (depends on 9) The display apparatus according to claim 9, wherein the processing circuit performs an over drive compensation for polarity switching on the second display data. ### Claim 12 (depends on 9) The display apparatus according to claim 9, wherein the processing circuit generates the second display data according to a second lookup table. ### Claim 13 (depends on 9) The display apparatus according to claim 9, wherein: there is a first value change between a value of the second original image data and a value of the first original image data, there is a second value change between a value of the second display data and a value of the first original image data, and the second value change is greater than the first value change. ### Claim 14 A control method, applicable to a display apparatus, wherein the display apparatus comprises a data line, a first pixel electrode, and a second pixel electrode, wherein the first pixel electrode is coupled to the data line and receives first display data during a first period, and the second pixel electrode is coupled to the data line and receives second display data during a second period following the first period, the control method comprising: generating first original image data and second original image data according to an original image, wherein the first original image data corresponds to first polarity data, and the second original image data corresponds to second polarity data; generating the second display data according to a difference between the second original image data and the first original image data and a relationship between the second polarity data and the first polarity data; and providing the second display data to the second pixel electrode through the data line. ### Claim 15 (depends on 14) The control method according to claim 14, wherein the step of generating the second display data according to the difference between the second original image data and the first original image data and the relationship between the second polarity data and the first polarity data comprises: generating the second display data according to a first lookup table when the first polarity data is equal to the second polarity data. ### Claim 16 (depends on 14) The control method according to claim 14, wherein the step of generating the second display data according to the difference between the second original image data and the first original image data and the relationship between the second polarity data and the first polarity data comprises: converting the second original image data into the second display data when the first polarity data is equal to the second polarity data and the difference between the second original image data and the first original image data is less than or equal to a default value. ### Claim 17 (depends on 14) The control method according to claim 14, wherein the step of generating the second display data according to the difference between the second original image data and the first original image data and the relationship between the second polarity data and the first polarity data comprises: performing an over drive compensation for polarity switching on the second display data when the first polarity data is different from the second polarity data. ### Claim 18 (depends on 14) The control method according to claim 14, wherein the step of generating the second display data according to the difference between the second original image data and the first original image data and the relationship between the second polarity data and the first polarity data comprises: generating the second display data according to a second lookup table when the first polarity data is different from the second polarity data. ### Claim 19 (depends on 18) The control method according to claim 18, wherein the step of generating the second display data according to the second lookup table comprises: performing an over drive compensation for polarity switching on the second display data according to the second lookup table. ### Claim 20 (depends on 14) The control method according to claim 14, wherein: there is a first value change between a value of the second original image data and a value of the first original image data, there is a second value change between a value of the second display data and a value of the first original image data when the first polarity data is different from the second polarity data, and the second value change is greater than the first value change.