# US 2019/0244564 A1 · System and Method of Compensation of a Curved Display > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0244564 A1 - Document ID: US20190244564A1 - Status: Published application - Kind: A1 - Application number: 15/888,875 - Filed: 2018-02-05 - Published: 2019-08-08 - Earliest claimed: 2018-02-05 - Assignees: Dell Products L.P. - Applicants: Dell Products L.P. - Inventors: Stefan Peana; Mitchell Anthony Markow; Deeder M. Aurongzeb - Web page: https://patentgrep.com/patent/US20190244564A1 ## CPC - G09G 3/3225: using an active matrix - G09G 3/03: {specially adapted for displays having non-planar surfaces, e.g. curved displays} - G09G 2320/0233: Improving the luminance or brightness uniformity across the screen - G09G 2320/0285: using tables for spatial correction of display data - G09G 2320/0626: for control of overall brightness - G09G 2354/00: Aspects of interface with display user - 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 In one or more embodiments, one or more systems, methods, and/or processes may determine first brightness settings of pixels of a display; may determine curve determinations from strain gauges associated with the display; may determine, from the curve determinations, vectors, where each of the vectors is orthogonal to the display at a respective position of the display; may determine second brightness settings of the pixels of the display based at least on the first brightness settings and the vectors; and may display, via the display, an image utilizing the second plurality of brightness settings. ## Claims ### Claim 1 An information handling system, comprising: at least one processor; a graphics processing unit; and a memory medium, coupled to the at least one processor, that stores instructions executable by the at least one processor, which when executed by the at least one processor, cause the information handling system to: determine a first plurality of brightness settings of pixels of a display; determine a plurality of curve determinations from a plurality of strain gauges associated with the display; and determine, from the plurality of curve determinations, a plurality of vectors, each of the plurality of vectors is orthogonal to the display at a respective position of the display; wherein the graphics processing unit is configured to: for each particular vector of the plurality of vectors, determine an inner product between a vector of an observation point and the particular vector defining a plurality of inner products, the vector of the observation point indicating a direction of the observation point; access a lookup table that includes brightness adjustments associated with the plurality of inner products; identify, from the lookup table and for each inner product of the plurality of inner products, an adjustment to a corresponding brightness setting of the first plurality of brightness settings to define a plurality of brightness adjustments; determine a second plurality of brightness settings of the pixels of the display based at least on the first plurality of brightness settings and the plurality of brightness adjustments; and wherein the instructions further cause the information handling system to: display, via the display, an image utilizing the second plurality of brightness settings. ### Claim 2 (depends on 1) The information handling system of claim 1, wherein, to determine the second plurality of brightness settings, the graphics processor is further configured to adjust the first plurality of brightness settings. ### Claim 3 (depends on 2) The information handling system of claim 2, wherein, to determine the second plurality of brightness settings, the graphics processing unit is further configured to: access an additional lookup table that includes brightness adjustments associated with a plurality of angles; and look up, from the lookup table, adjustments to the first plurality of brightness settings based at least on angles of the plurality of vectors with respect to the observation point. ### Claim 4 (depends on 1) The information handling system of claim 1, wherein, to determine the plurality of curve determinations from the plurality of strain gauges, the instructions further cause the information handling system to determine the plurality of curve determinations from a plurality of voltages from the plurality of strain gauges; and wherein the instructions further cause the information handling system to: convert the plurality of voltages from the plurality of strain gauges to digital data via analog to digital conversions. ### Claim 5 (depends on 1) The information handling system of claim 1, wherein, to determine the second plurality of brightness settings, the graphics processing unit is further configured to: access an additional lookup table that includes brightness adjustments associated with a plurality of angles; and determine a first brightness adjustment of the first plurality of brightness adjustments; and wherein, to determine the first brightness adjustment of the first plurality of brightness adjustments, the graphics processing unit is further configured to: determine if a first angle associated with a first vector of the plurality of vectors is in the plurality of angles; if the first angle associated with the first vector of the plurality of vectors is in the plurality of angles, retrieve a brightness adjustment of the brightness adjustments associated with the first angle associated with the first vector of the plurality of vectors; and if the first angle associated with the first vector of the plurality of vectors is not in the plurality of angles, interpolate a brightness adjustment based on at least two brightness adjustments of the brightness adjustments associated with at least two respective angles of the plurality of angles. ### Claim 6 (depends on 5) The information handling system of claim 5, wherein the at least two respective angles of the plurality of angles are within a threshold measure of the first angle associated with the first vector of the plurality of vectors. ### Claim 7 (depends on 5) The information handling system of claim 5, wherein, to interpolate the brightness adjustment, the graphics processing unit is further configured to fit a curve to the at least two brightness adjustments of the brightness adjustments associated with the at least two respective angles of the plurality of angles. ### Claim 8 A method, comprising: determining a first plurality of brightness settings of pixels of a display; determining a plurality of curve determinations from a plurality of strain gauges associated with the display; determining, from the plurality of curve determinations, a plurality of vectors, each of the plurality of vectors is orthogonal to the display at a respective position of the display; for each particular vector of the plurality of vectors, determining an inner product between a vector of an observation point and the particular vector defining a plurality of inner products, the vector of the observation point indicating a direction of the observation point; accessing a lookup table that includes brightness adjustments associated with the plurality of inner products; identifying, from the lookup table and for each inner product of the plurality of inner products, an adjustment to a corresponding brightness setting of the first plurality of brightness settings to define a plurality of brightness adjustments; determining a second plurality of brightness settings of the pixels of the display based at least on the first plurality of brightness settings and the plurality of brightness adjustments; and displaying an image utilizing the second plurality of brightness settings. ### Claim 9 (depends on 8) The method of claim 8, wherein the graphics processing unit determining the second plurality of brightness settings includes the graphics processing unit adjusting the first plurality of brightness settings. ### Claim 10 (depends on 9) The method of claim 9, wherein the graphics processing unit adjusting the first plurality of brightness settings includes: accessing an additional lookup table that includes brightness adjustments associated with a plurality of angles; and looking up, from the lookup table, adjustments to the first plurality of brightness settings based at least on angles of the plurality of vectors with respect to an observation point. ### Claim 11 (depends on 8) The method of claim 8, wherein the determining the plurality of curve determinations from the plurality of strain gauges includes determining the plurality of curve determinations from a plurality of voltages from the plurality of strain gauges; the method further comprising: converting the plurality of voltages from the plurality of strain gauges to digital data via analog to digital conversions. ### Claim 12 (depends on 8) The method of claim 8, wherein the graphics processing unit determining the second plurality of brightness settings includes: accessing a lookup table that includes brightness adjustments associated with a plurality of angles; and determining an additional first brightness adjustment of the first plurality of brightness adjustments by: determining if a first angle associated with a first vector of the plurality of vectors is in the plurality of angles; if the first angle associated with the first vector of the plurality of vectors is in the plurality of angles, retrieving a brightness adjustment of the brightness adjustments associated with the first angle associated with the first vector of the plurality of vectors; and if the first angle associated with the first vector of the plurality of vectors is not in the plurality of angles, interpolating a brightness adjustment based on at least two brightness adjustments of the brightness adjustments associated with at least two respective angles of the plurality of angles. ### Claim 13 (depends on 12) The method of claim 12, wherein the at least two respective angles of the plurality of angles are within a threshold measure of the first angle associated with the first vector of the plurality of vectors. ### Claim 14 (depends on 12) The method of claim 12, wherein the interpolating the brightness adjustment includes fitting a curve to the at least two brightness adjustments of the brightness adjustments associated with the at least two respective angles of the plurality of angles. ### Claim 15 A computer-readable non-transitory memory medium that includes instructions that, when executed by at least one processor of an information handling system, cause the information handling system to: determine a first plurality of brightness settings of pixels of a display; determine a plurality of curve determinations from a plurality of strain gauges associated with the display; determine, from the plurality of curve determinations, a plurality of vectors, each of the plurality of vectors is orthogonal to the display at a respective position of the display; for each particular vector of the plurality of vectors, determine an inner product between a vector of an observation point and the particular vector defining a plurality of inner products, the vector of the observation point indicating a direction of the observation point; access a lookup table that includes brightness adjustments associated with the plurality of inner products; identify, from the lookup table and for each inner product of the plurality of inner products, an adjustment to a corresponding brightness setting of the first plurality of brightness settings to define a plurality of brightness adjustments; determine a second plurality of brightness settings of the pixels of the display based at least on the first plurality of brightness settings and the plurality of brightness adjustments; and display, via the display, an image utilizing the second plurality of brightness settings. ### Claim 16 (depends on 15) The computer-readable non-transitory memory medium of claim 15, wherein, to determine the second plurality of brightness settings, the instructions further cause the information handling system to adjust the first plurality of brightness settings. ### Claim 17 (depends on 16) The computer-readable non-transitory memory medium of claim 16, wherein, to determine the second plurality of brightness settings, the instructions further cause the information handling system to: access an additional lookup table that includes brightness adjustments associated with a plurality of angles; look up, from the lookup table, adjustments to the first plurality of brightness settings based at least on angles of the plurality of vectors with respect to an observation point. ### Claim 18 (depends on 15) The computer-readable non-transitory memory medium of claim 15, wherein, to determine the plurality of curve determinations from the plurality of strain gauges, the instructions further cause the information handling system to determine the plurality of curve determinations from a plurality of voltages from the plurality of strain gauges; and wherein the instructions further cause the information handling system to: convert the plurality of voltages from the plurality of strain gauges to digital data via analog to digital conversions. ### Claim 19 (depends on 15) The computer-readable non-transitory memory medium of claim 15, wherein, to determine the second plurality of brightness settings, the graphics processing unit is further configured to: access an additional lookup table that includes brightness adjustments associated with a plurality of angles; and determine a first brightness adjustment of the first plurality of brightness adjustments; and wherein, to determine the first brightness adjustment of the first plurality of brightness adjustments, the instructions further cause the information handling system to utilize a graphics processing unit, of the information handling system, configured to: determine if a first angle associated with a first vector of the plurality of vectors is in the plurality of angles; if the first angle associated with the first vector of the plurality of vectors is in the plurality of angles, retrieve a brightness adjustment of the brightness adjustments associated with the first angle associated with the first vector of the plurality of vectors; and if the first angle associated with the first vector of the plurality of vectors is not in the plurality of angles, interpolate a brightness adjustment based on at least two brightness adjustments of the brightness adjustments associated with at least two respective angles of the plurality of angles. ### Claim 20 (depends on 19) The computer-readable non-transitory memory medium of claim 19, wherein the at least two respective angles of the plurality of angles are within a threshold measure of the first angle associated with the first vector of the plurality of vectors.