# US 2025/0085805 A1 · Touch interaction method and device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0085805 A1 - Document ID: US20250085805A1 - Status: Published application - Kind: A1 - Application number: 18/554,633 - Filed: 2023-02-21 - Published: 2025-03-13 - Earliest claimed: 2022-04-15 - Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Inventors: Zhiqiang WANG; Ping LUO; Guiyu ZHANG; Shuai LIU; Liqing JIANG; Shukui YANG - Web page: https://patentgrep.com/patent/US20250085805A1 ## CPC - G06F 3/04166: {Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving (Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184)} - G01V 3/00: Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation - G06F 1/16: Constructional details or arrangements - G06F 1/1616: {with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position} - G06F 1/1677: {for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment} - G06F 1/3215: Monitoring of peripheral devices - G06F 3/02: Input arrangements using manually operated switches, e.g. using keyboards or dials - G06F 3/0202: {Constructional details or processes of manufacture of the input device} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/044: by capacitive means - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G01V: GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS (means for indicating the location of accidentally buried, e.g. snow-buried, persons A63B29/02) ## Abstract A touch interaction device includes an electronic device including a screen, an accessory device subordinate to the electronic device, and at least one sensing device. The at least one sensing device is disposed at a bottom of the accessory device, or the at least one sensing device is disposed at the bottom of the accessory device and on the electronic device. The electronic device is configured to: determine whether the accessory device is placed on the screen of the electronic device according to sensing information of the at least one sensing device; determine a screen shielding area according to position information of the at least one sensing device in a case where the accessory device is placed on the screen of the electronic device; and adjust touch scanning frequency of the screen shielding area and turn off display drive of the screen shielding area according to the screen shielding area. ## Claims ### Claim 1 A touch interaction device, comprising an electronic device including a screen, an accessory device subordinate to the electronic device, and at least one sensing device, wherein the at least one sensing device is disposed in one of following ways: the at least one sensing device is disposed at a bottom of the accessory device, and the at least one sensing device is disposed at the bottom of the accessory device and on the electronic device; and the electronic device is configured to: determine whether the accessory device is placed on the screen of the electronic device according to sensing information of the at least one sensing device; determine a screen shielding area according to position information of the at least one sensing device in a case where the accessory device is placed on the screen of the electronic device, the screen shielding area being an area of the screen of the electronic device blocked by the accessory device; and adjust touch scanning frequency of the screen shielding area and turn off display drive of the screen shielding area according to the screen shielding area. ### Claim 2 (depends on 1) The touch interaction device according to claim 1, wherein the at least one sensing device includes at least one Hall sensor and a magnetic device corresponding to the Hall sensor. ### Claim 3 (depends on 2) The touch interaction device according to claim 2, wherein the Hall sensor is disposed on the electronic device, and the magnetic device is disposed at the bottom of the accessory device; or the Hall sensor is disposed at the bottom of the accessory device, and the magnetic device is disposed on the electronic device. ### Claim 4 (depends on 2) The touch interaction device according to claim 2, wherein the electronic device being configured to adjust the touch scanning frequency of the screen shielding area according to the screen shielding area, includes: the electronic device being configured to, according to the screen shielding area, turn off touch scanning of the screen shielding area. ### Claim 5 (depends on 2) The touch interaction device according to claim 2, wherein the screen of the electronic device includes one or more preset areas, each preset area corresponds to a control instruction, and the control instruction is used for turning off touch scanning and display drive of the preset area; each preset area includes at least one of the at least one sensing device, the screen shielding area includes at least one preset area, and the electronic device includes a processor, a touch chip and a display drive chip; the processor is configured to send at least one control instruction in one-to-one correspondence to the at least one preset area to the touch chip and the display drive chip according to the at least one preset area; the touch chip is configured to, according to the at least one control instruction, turn off touch scanning of the at least one preset area corresponding to the at least one control instruction; and the display drive chip is configured to, according to the at least one control instruction, turn off display drive of the at least one preset area corresponding to the at least one control instruction. ### Claim 6 (depends on 1) The touch interaction device according to claim 1, wherein the at least one sensing device is disposed at the bottom of the accessory device, and the at least one sensing device includes at least one of at least one device with a conductive function and at least one signal transmitter. ### Claim 7 (depends on 6) The touch interaction device according to claim 6, wherein the electronic device being configured to adjust the touch scanning frequency of the screen shielding area according to the screen shielding area, includes: the electronic device being configured to reduce the touch scanning frequency of the screen shielding area according to the screen shielding area. ### Claim 8 (depends on 1) The touch interaction device according to claim 1, wherein the electronic device is further configured to: restore the touch scanning frequency of the screen shielding area and turn on the display drive of the screen shielding area in a case where it is determined that the accessory device is away from the screen of the electronic device. ### Claim 9 (depends on 1) The touch interaction device according to claim 1, wherein the screen of the electronic device is a foldable screen. ### Claim 10 (depends on 1) The touch interaction device according to claim 1, wherein the accessory device includes a keyboard. ### Claim 11 (depends on 10) The touch interaction device according to claim 10, wherein the screen of the electronic device is a foldable screen; a dimension of a long side of the keyboard is smaller than or equal to a dimension of a short side of the electronic device, and a dimension of a short side of the keyboard is smaller than or equal to a dimension of a half of a long side the electronic device; the short side of the electronic device is parallel to a folding line of the foldable screen of the electronic device, and the long side of the electronic device is perpendicular to the folding line of the foldable screen of the electronic device. ### Claim 12 A touch interaction method applied to a touch interaction device, the touch interaction device including an electronic device including a screen, an accessory device subordinate to the electronic device, and at least one sensing device, wherein the at least one sensing device is disposed in one of following ways: the at least one sensing device is disposed at a bottom of the accessory device, and the at least one sensing device is disposed at the bottom of the accessory device and on the electronic device; and the method comprising: determining, by the electronic device, whether the accessory device is placed on the screen of the electronic device according to sensing information of the at least one sensing device; determining, by the electronic device, a screen shielding area according to position information of the at least one sensing device in a case where the accessory device is placed on the screen of the electronic device, the screen shielding area being an area of the screen of the electronic device blocked by the accessory device; adjusting, by the electronic device, touch scanning frequency of the screen shielding area, and turning off, by the electronic device, display drive of the screen shielding area, according to the screen shielding area. ### Claim 13 (depends on 12) The touch interaction method according to claim 12, wherein the at least one sensing device includes at least one Hall sensor and a magnetic device corresponding to the Hall sensor. ### Claim 14 (depends on 13) The touch interaction method according to claim 13, wherein adjusting the touch scanning frequency of the screen shielding area according to the screen shielding area, includes: turning off touch scanning of the screen shielding area according to the screen shielding area. ### Claim 15 (depends on 13) The touch interaction method claim 13, wherein the screen of the electronic device includes a plurality of preset areas, each preset area corresponds to a control instruction, and the control instruction is used for turning off touch scanning and display drive of the preset area; each preset area includes at least one of the at least one sensing device, the screen shielding area includes at least one preset area, and the electronic device includes a processor, a touch chip and a display drive chip; and the electronic device adjusting the touch scanning frequency of the screen shielding area and turning off the display drive of the screen shielding area according to the screen shielding area, includes: sending, by the processor, at least one control instruction in one-to-one correspondence to the at least one preset area to the touch chip and the display drive chip according to the at least one preset area; turning off, by the touch chip, touch scanning of the at least one preset area corresponding to the at least one control instruction according to the at least one control instruction; and turning off, by the display drive chip, display drive of the at least one preset area corresponding to the at least one control instruction according to the at least one control instruction. ### Claim 16 (depends on 12) The touch interaction method according to claim 12, wherein the at least one sensing device is disposed at the bottom of the accessory device, and the at least one sensing device includes at least one of at least one device with a conductive function and at least one signal transmitter. ### Claim 17 (depends on 16) The touch interaction method according to claim 16, wherein adjusting the touch scanning frequency of the screen shielding area according to the screen shielding area, includes: reducing the touch scanning frequency of the screen shielding area according to the screen shielding area. ### Claim 18 (depends on 12) The touch interaction method according to claim 12, further comprising: restoring the touch scanning frequency of the screen shielding area and turning on the display drive of the screen shielding area in a case where it is determined that the accessory device is away from the screen of the electronic device. ### Claim 19 (depends on 12) A non-transitory computer-readable storage medium having stored thereon computer program instructions that, when executed by a computer, perform the touch interaction method according to claim 12. ### Claim 20 (depends on 12) A computer program product stored on a non-transitory computer-readable storage medium, the computer program product comprising computer program instructions that are used for causing a computer to perform the touch interaction method according to claim 12.