# US 2026/0100154 A1 · Selective pixel refresh for display power saving > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0100154 A1 - Document ID: US20260100154A1 - Status: Published application - Kind: A1 - Application number: 18/911,046 - Filed: 2024-10-09 - Published: 2026-04-09 - Earliest claimed: 2024-10-09 - Assignees: Microsoft Technology Licensing, LLC - Applicants: Microsoft Technology Licensing, LLC - Inventors: Ki Chan LEE; Stuart William MILTON - Web page: https://patentgrep.com/patent/US20260100154A1 ## CPC - G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} - 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 2300/0814: used for selection purposes, e.g. logical AND for partial update - G09G 2310/0267: Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED 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 2310/04: Partial updating of the display screen - G09G 2330/021: Power management, e.g. power saving - 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 An image processing unit may select a pixel in the line of pixels by enabling a first connection between a source driver and an input of refresh circuitry of the pixel along a content data line, based at least in part on receipt of a pixel select signal corresponding to the pixel, wherein at least one of the pixels in the line of pixels is not selected. An image processing unit may refresh, based at least in part on receiving a pixel refresh signal, the selected pixel with content data provided using the content data line by enabling a second connection between the input of the refresh circuitry and the pixel along the content data line, wherein refreshing the selected pixel includes providing content data to the pixel using the content data line and not providing content data to the at least one of the pixels. ## Claims ### Claim 1 A method of selectively refreshing a pixel in a line of pixels of a display, the method comprising: selecting a pixel in the line of pixels by enabling a first connection between a source driver and an input of refresh circuitry of the pixel along a content data line, based at least in part on receipt of a pixel select signal corresponding to the pixel, wherein at least one of the pixels in the line of pixels is not selected; and refreshing, based at least in part on receiving a pixel refresh signal for the line of pixels, the selected pixel with content data provided using the content data line by enabling a second connection between the input of the refresh circuitry and the pixel along the content data line, wherein refreshing the selected pixel includes providing content data to the pixel using the content data line and not providing content data to the at least one of the pixels. ### Claim 2 (depends on 1) The method of claim 1, wherein the pixel select signal is sent using pixel selector circuitry, including a per-pixel select line electrically coupled to a selector switch of the pixel, the selector switch of the pixel enabling the first connection upon receipt of the pixel select signal via the per-pixel select line. ### Claim 3 (depends on 2) The method of claim 2, wherein the selector switch includes a first transistor along the content data line, wherein the pixel select signal applies a voltage to a gate of the first transistor to enable the first connection. ### Claim 4 (depends on 2) The method of claim 2, wherein the per-pixel select line is a source driver line electrically coupled to the selector switch and the source driver, wherein the pixel select signal is sent by the source driver using the per-pixel select line. ### Claim 5 (depends on 2) The method of claim 2, wherein the per-pixel select line is a gate driver line electrically coupled to the selector switch and a gate driver, wherein the pixel select signal is sent by the gate driver using the per-pixel select line. ### Claim 6 (depends on 1) The method of claim 1, wherein the pixel refresh signal is sent using a pixel refresh line of the refresh circuitry to a refresh switch of the pixel including a second transistor along the content data line and sending the pixel refresh signal to the refresh switch of the pixel applies a voltage to a gate of the second transistor along the content data line to enable the second connection. ### Claim 7 (depends on 1) The method of claim 1, wherein the line of pixels is a row of pixels or column of pixels of the display. ### Claim 8 One or more tangible processor-readable storage media embodied with instructions for executing on one or more processors and circuits of a computing device a process for selectively refreshing a pixel in a line of pixels of a display, the process comprising: selecting a pixel in the line of pixels by enabling a first connection between a source driver and an input of refresh circuitry of the pixel along a content data line, based at least in part on receipt of a pixel select signal corresponding to the pixel, wherein at least one of the pixels in the line of pixels is not selected; and refreshing, based at least in part on receiving a pixel refresh signal for the line of pixels, the selected pixel with content data provided using the content data line by enabling a second connection between the input of the refresh circuitry and the pixel along the content data line, wherein refreshing the selected pixel includes providing content data to the pixel using the content data line and not providing content data to the at least one of the pixels. ### Claim 9 (depends on 8) The one or more tangible processor-readable storage media of claim 8, wherein the pixel select signal is sent using pixel selector circuitry, including a per-pixel select line electrically coupled to a selector switch of the pixel, the selector switch of the pixel enabling the first connection upon receipt of the pixel select signal via the per-pixel select line. ### Claim 10 (depends on 9) The one or more tangible processor-readable storage media of claim 9, wherein the selector switch includes a first transistor along the content data line, wherein the pixel select signal applies a voltage to a gate of the first transistor to enable the first connection. ### Claim 11 (depends on 9) The one or more tangible processor-readable storage media of claim 9, wherein the per-pixel select line is a source driver line electrically coupled to the selector switch and the source driver, wherein the pixel select signal is sent by the source driver using the per-pixel select line. ### Claim 12 (depends on 9) The one or more tangible processor-readable storage media of claim 9, wherein the per-pixel select line is a gate driver line electrically coupled to the selector switch and a gate driver, wherein the pixel select signal is sent by the gate driver using the per-pixel select line. ### Claim 13 (depends on 8) The one or more tangible processor-readable storage media of claim 8, wherein the pixel refresh signal is sent using a pixel refresh line of the refresh circuitry to a refresh switch of the pixel including a second transistor along the content data line and sending the pixel refresh signal to the refresh switch of the pixel applies a voltage to a gate of the second transistor along the content data line to enable the second connection. ### Claim 14 A computing system for selectively refreshing a pixel in a line of pixels of a display, the computing system comprising: one or more hardware processors; a pixel selector executable by the one or more hardware processors and configured to select a pixel in the line of pixels by enabling a first connection between a source driver and an input of refresh circuitry of the pixel along a content data line, based at least in part on receipt of a pixel select signal corresponding to the pixel, wherein at least one of the pixels in the line of pixels is not selected; and a pixel refresher executable by the one or more hardware processors and configured to refresh, based at least in part on receiving a pixel refresh signal for the line of pixels, the selected pixel with content data provided using the content data line by enabling a second connection between the input of the refresh circuitry and the pixel along the content data line, wherein refreshing the selected pixel includes providing content data to the pixel using the content data line and not providing content data to the at least one of the pixels. ### Claim 15 (depends on 14) The computing system of claim 14, wherein the pixel select signal is sent using pixel selector circuitry, including a per-pixel select line electrically coupled to a selector switch of the pixel, the selector switch of the pixel enabling the first connection upon receipt of the pixel select signal via the per-pixel select line. ### Claim 16 (depends on 15) The computing system of claim 15, wherein the selector switch includes a first transistor along the content data line, wherein the pixel select signal applies a voltage to a gate of the first transistor to enable the first connection. ### Claim 17 (depends on 15) The computing system of claim 15, wherein the per-pixel select line is a source driver line electrically coupled to the selector switch and the source driver, wherein the pixel select signal is sent by the source driver using the per-pixel select line. ### Claim 18 (depends on 15) The computing system of claim 15, wherein the per-pixel select line is a gate driver line electrically coupled to the selector switch and a gate driver, wherein the pixel select signal is sent by a gate driver using the per-pixel select line. ### Claim 19 (depends on 14) The computing system of claim 14, wherein the pixel refresh signal is sent using a pixel refresh line of the refresh circuitry to a refresh switch of the pixel including a second transistor along the content data line and sending the pixel refresh signal to the refresh switch of the pixel applies a voltage to a gate of the second transistor along the content data line to enable the second connection. ### Claim 20 (depends on 14) The computing system of claim 14, wherein the line of pixels is a row of pixels or column of pixels of the display. ### Claim 21 (depends on 1) The method of claim 1, wherein the source driver provides the content data to the pixel along the content data line. ### Claim 22 (depends on 1) The method of claim 1, wherein refreshing the selected pixel includes providing the content data to the pixel using the content data line via the enabled first connection along the content data line and the enabled second connection along the content data line.