# US 12,216,899 B2 · Display element display method and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,216,899 B2 - Document ID: US12216899B2 - Status: Granted - Kind: B2 - Application number: 17/771,365 - Filed: 2020-09-23 - Published: 2022-11-24 - Granted: 2025-02-04 - Earliest claimed: 2019-10-30 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Yanan Zhang; Liang Hu - Web page: https://patentgrep.com/patent/US12216899B2 ## CPC - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F 3/04886: by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus - G06F 1/1641: {the display being formed by a plurality of foldable display components (G06F1/1647 takes precedence)} - G06F 1/1647: {including at least an additional display (G06F1/1692 takes precedence)} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - 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 1/1684: {Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675} - G06F 1/1692: {the I/O peripheral being a secondary touch screen used as control interface, e.g. virtual buttons or sliders} - G06F 3/04883: for inputting data by handwriting, e.g. gesture or text - G06F 2203/04803: Split screen, i.e. subdividing the display area or the window area into separate subareas - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A method includes: The electronic device detects a status of the first body and a status of the second body (301); determines a main interaction area and a main display area based on the status of the first body and the status of the second body (302); obtains one or more display elements on a to-be-displayed user interface (303); determines a display element type, where the display element type includes a main interaction element and a main display element (304); and displays the main interaction element in the main interaction area and displays the main display element in the main display area (306). The method helps a user better operate the electronic device, and also helps the user view content displayed by the electronic device. ## Claims ### Claim 1 A display method, performed by an electronic device comprising a first body and a second body, wherein the first body is bendable relative to the second body, the first body and the second body respectively correspond to first and second display areas of the electronic device and the method comprises: when the electronic device is in an expanded state: displaying first notification information in the first display area; receiving a first user operation on the first display area; in response to the first user operation, displaying an interface corresponding to the first notification information; and when the state of the electronic device is in a folded state: displaying second notification information in the first display area; receiving a second user operation on the second display area; in response to the second user operation, moving the displayed second notification information from the first display area to the second display area; receiving a third user operation on the displayed second notification information; and in response to the third user operation, displaying an interface corresponding to the second notification information; and at least one of: when the electronic device is in the expanded state, receiving an operation of sliding downward from an upper edge of the combined first and second display areas and in response displaying a notification bar; and when the electronic device is in the folded state, receiving an operation of sliding downward from an upper edge of the second display area and in response displaying the notification bar; or when the electronic device is in the expanded state, receiving an operation of sliding inward from a right edge of the combined first and second display areas and in response returning to a first previous interface; and when the electronic device is in the folded state, receiving an operation of sliding inward from a right edge of the second display area and in response returning to a second previous interface, wherein the second display area is below the first display area. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: displaying a status bar at a top portion of the first display area. ### Claim 3 (depends on 2) The method to according to claim 2, wherein the status bar comprises: a mobile communications signal, a Wi-Fi signal, a battery status indicator, or a time indicator. ### Claim 4 (depends on 1) The method according to claim 1, further comprising: displaying a three-button navigation button in a bottom portion of the second display area. ### Claim 5 (depends on 1) The method according to claim 1, wherein when the electronic device is in the folded state, an included angle between the first display area and the second display area is less than 180 degrees. ### Claim 6 (depends on 1) The method according to claim 1, further comprising: determining the change from the expanded state to the folded state according to the angle between the first body and the second body. ### Claim 7 An electronic device, comprising: one or more processors; a memory, configured to store computer instructions; a touchscreen; a first body; and a second body, wherein the first body is bendable relative to the second body, the first body and the second body respectively correspond to first and second display areas of the electronic device and when the one or more processors execute the computer instructions, the electronic device is enabled to perform following operations: when the electronic device is in an expanded state: displaying first notification information in the first display area; receiving a first user operation on the first display area; in response to the first user operation, displaying an interface corresponding to the first notification information; and when the state of the electronic device is in a folded state: displaying second notification information; receiving a second user operation on the second display area; in response to the second user operation, moving the displayed second notification information from the first display area to the second display area; receiving a third user operation on the displayed second notification information; and in response to the third user operation, displaying an interface corresponding to the second notification information; and at least one of: when the electronic device is in the expanded state, receiving an operation of sliding downward from an upper edge of the combined first and second display areas and in response displaying a notification bar; and when the electronic device is in the folded state, receiving an operation of sliding downward from an upper edge of the second display area and in response displaying the notification bar; or when the electronic device is in the expanded state, receiving an operation of sliding inward from a right edge of the combined first and second display areas and in response returning to a first previous interface; and when the electronic device is in the folded state, receiving an operation of sliding inward from a right edge of the second display area and in response returning to a second previous interface, wherein the second display area is below the first display area. ### Claim 8 (depends on 7) The electronic device according to claim 7, wherein when the one or more processors execute the computer instructions, the electronic device is enable to further perform: display the status bar at a top portion of the first display area. ### Claim 9 (depends on 8) The electronic device according to claim 8, wherein the status bar comprising: a mobile communications signal, a Wi-Fi signal, a battery status indicator, or a time indicator. ### Claim 10 (depends on 7) The electronic device according to claim 7, wherein when the one or more processors execute the computer instructions, the electronic device is enable to further perform: displaying a three-button navigation button in a bottom portion of the second display area. ### Claim 11 (depends on 7) The electronic device according to claim 7, wherein when the electronic device is in the folded state, an included angle between the first display area and the second display area is less than 180 degrees. ### Claim 12 (depends on 7) The electronic device according to claim 7, wherein when the one or more processors execute the computer instructions, the electronic device is enable to further perform: determining the changes from the expanded state to the folded state according to the angle between the first body and the second body. ### Claim 13 A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor of an electronic device comprising a first display area and a second display area, the computer program causes the electronic device to perform the following operations: when the electronic device is in an expanded state: displaying first notification information in the first display area; receiving a first user operation on the first display area; in response to the first user operation, displaying an interface corresponding to the first notification information; and when the state of the electronic device is in a folded state: displaying second notification information in the first display area; receiving a second user operation on the second display area; in response to the second user operation, moving the displayed second notification information from the first display area to the second display area; receiving a third user operation on the displayed second notification information; and in response to the third user operation, displaying an interface corresponding to the second notification information; and at least one of: when the electronic device is in the expanded state, receiving an operation of sliding downward from an upper edge of the combined first and second display areas and in response displaying a notification bar; and when the electronic device is in the folded state, receiving an operation of sliding downward from an upper edge of the second display area and in response displaying the notification bar; or when the electronic device is in the expanded state, receiving an operation of sliding inward from a right edge of the combined first and second display areas and in response returning to a first previous interface; and when the electronic device is in the folded state, receiving an operation of sliding inward from a right edge of the second display area and in response returning to a second previous interface, wherein the second display area is below the first display area. ### Claim 14 (depends on 1) The method according to claim 1, wherein the second notification information is a notification message. ### Claim 15 (depends on 1) The method according to claim 1, wherein the second notification information is a notification bar. ### Claim 16 (depends on 1) The method according to claim 1, further comprising returning to a previous interface in response to an operation that the user slides inward from an edge of the display.