# US 12,223,872 B2 · Foldable electronic device display method and foldable electronic device having a screen non-lock state > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,223,872 B2 - Document ID: US12223872B2 - Status: Granted - Kind: B2 - Application number: 18/277,062 - Filed: 2022-12-20 - Published: 2024-04-18 - Granted: 2025-02-11 - Earliest claimed: 2022-01-04 - Assignees: Honor Device Co., Ltd. - Applicants: Honor Device Co., Ltd. - Inventors: Shilei Wang; Hepu Cao; Peng Wang - Web page: https://patentgrep.com/patent/US12223872B2 ## CPC - G09G 3/035: {for flexible display surfaces} - H04M 1/0245: {using open/close detection} - 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 1/1641: {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 1/1694: {the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer} - H04M 1/0214: {Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position (combined with translation movement H04M1/0235)} - H04M 1/0268: {including a flexible display panel} - H04M 1/72463: to restrict the functionality of the device - G06F 21/31: User authentication - G06F 21/84: output devices, e.g. displays or monitors - G06F 2200/1633: Protecting arrangement for the entire housing of the computer - G06F 2200/1634: Integrated protective display lid, e.g. for touch-sensitive display in handheld computer - H04M 1/72454: according to context-related or environment-related conditions - H04M 2250/16: including more than one display unit - 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) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Embodiments of this application provide an electronic device display method and an electronic device. The electronic device includes a foldable body, an outer screen, and an inner screen, and the method includes: when the foldable body is in a folded state, detecting whether a protective cover approaches the outer screen and reaches a preset position with respect to the outer screen; if the protective cover reaches the preset position with respect to the outer screen, when the preset condition is met, determining whether the foldable body is switched to a non-folded state; and if the foldable body is switched to the non-folded state, controlling the electronic device to be in a screen non-locked state. That the preset condition is met includes at least being within a preset time after the protective cover reaches the preset position. ## Claims ### Claim 1 An electronic device display method, wherein an electronic device comprises a foldable body, an outer screen, and an inner screen, wherein the outer screen and the inner screen are respectively located on two opposite surfaces of the foldable body, and the method comprises: based on the foldable body being in a folded state, detecting whether a protective cover approaches the outer screen and reaches a preset position with respect to the outer screen, wherein a signal transmitting component is disposed on the protective cover, and a signal sensing component is disposed on the outer screen; based on determining that the protective cover reaches the preset position with respect to the outer screen, and based on a preset condition being met, determining whether the foldable body is switched to a non-folded state, wherein determining that the protective cover reaches the preset position with respect to the outer screen is based on the signal sensing component sensing a signal transmitted by the signal transmitting component when the protective cover approaches the outer screen; and based on the foldable body being switched to the non-folded state, controlling the electronic device to be in a screen non-locked state; wherein the preset condition comprises being within a preset time after the protective cover reaches the preset position. ### Claim 2 (depends on 1) The electronic device display method according to claim 1, wherein based on the foldable body not switching to the non-folded state within the preset time after the protective cover reaches the preset position, the electronic device is controlled to be in a screen locked state. ### Claim 3 (depends on 1) The electronic device display method according to claim 1, wherein the preset condition further comprises the electronic device being in the screen non-locked state. ### Claim 4 (depends on 3) The electronic device display method according to claim 3, wherein based on the electronic device being in a screen locked state, the electronic device is controlled to remain in the screen locked state. ### Claim 5 (depends on 3) The electronic device display method according to claim 3, wherein based on the electronic device being in the screen non-locked state, the outer screen displays a non-lock screen; and based on determining that the foldable body is switched to the non-folded state, the inner screen is controlled to continue to display the non-lock screen. ### Claim 6 (depends on 1) The electronic device display method according to claim 1, wherein the preset condition further comprises a posture of the foldable body being in a non-horizontal state. ### Claim 7 (depends on 6) The electronic device display method according to claim 6, further comprising: determining whether an absolute value of a change amount of a roll angle of the foldable body is greater than a first preset angle; and based on the absolute value of the change amount of the roll angle of the foldable body being greater than the first preset angle, determining that the posture of the foldable body is in the non-horizontal state, wherein a rotation axis corresponding to the roll angle is parallel to a folding axis of the foldable body. ### Claim 8 (depends on 7) The electronic device display method according to claim 7, before the determining whether the absolute value of the change amount of the roll angle of the foldable body is greater than the first preset angle, the method further comprises: determining whether an absolute value of a pitch angle of the foldable body is less than a second preset angle, or determining whether a component value of an acceleration sensor in the foldable body in a gravity direction is less than a preset threshold; and based on the absolute value of the pitch angle of the foldable body being less than the second preset angle, or the component value of the acceleration sensor in the foldable body in the gravity direction being less than the preset threshold, determining whether the absolute value of the change amount of the roll angle of the foldable body is greater than the first preset angle, wherein a rotation axis corresponding to the pitch angle is perpendicular to the rotation axis corresponding to the roll angle. ### Claim 9 (depends on 8) The electronic device display method according to claim 8, further comprising: based on the absolute value of the pitch angle of the foldable body not being less than the second preset angle, or the component value of the acceleration sensor in the foldable body in the gravity direction not being less than the preset threshold, determining, within the preset time after the protective cover reaches the preset position, whether the foldable body is switched to the non-folded state. ### Claim 10 (depends on 6) The electronic device display method according to claim 6, wherein based on the foldable body being in a horizontal state, the electronic device is controlled to be in the screen locked state. ### Claim 11 (depends on 1) The electronic device display method according to claim 1, after the protective cover reaches the preset position with respect to the outer screen, the method further comprises: controlling the outer screen to display a small-window interface. ### Claim 12 (depends on 11) The electronic device display method according to claim 11, after determining, within the preset time after the protective cover reaches the preset position, that the foldable body is switched to the non-folded state, the method further comprises: controlling the outer screen to exit the small-window interface. ### Claim 13 (depends on 1) An electronic device, comprising: a foldable body; an outer screen; an inner screen, wherein the outer screen and the inner screen are respectively located on two opposite surfaces of the foldable body; a processor; and a memory configured to store executable instructions that, when executed by the processor, cause the electronic device to implement the method according to claim 1. ### Claim 14 (depends on 13) The electronic device according to claim 13, wherein the preset condition further comprises: the electronic device is being in the screen non-locked state. ### Claim 15 (depends on 14) The electronic device according to claim 14, wherein the preset condition further comprises: a posture of the foldable body is in a non-horizontal state. ### Claim 16 (depends on 13) The electronic device according to claim 13, wherein after the protective cover reaches the preset position with respect to the outer screen, the method further comprises: controlling the outer screen to display a small-window interface. ### Claim 17 An electronic device display method, wherein an electronic device comprises a foldable body, an outer screen, and an inner screen, wherein the outer screen and the inner screen are respectively located on two opposite surfaces of the foldable body, and wherein the foldable body is in a folded state and the outer screen displays a non-lock screen, the method comprising: detecting whether a protective cover approaches the outer screen and reaches a preset position with respect to the outer screen, wherein a signal transmitting component is disposed on the protective cover, and a signal sensing component is disposed on the outer screen; based on determining that the protective cover reaches the preset position with respect to the outer screen, determining, within a preset time after the protective cover reaches the preset position, whether the foldable body is switched to a non-folded state, wherein determining that the protective cover reaches the preset position with respect to the outer screen is based on the signal sensing component sensing a signal transmitted by the signal transmitting component when the protective cover approaches the outer screen; and based on determining that the foldable body is switched to the non-folded state, controlling the inner screen to continue to display the non-lock screen. ### Claim 18 (depends on 17) An electronic device, comprising: a foldable body; an outer screen; an inner screen, wherein the outer screen and the inner screen are respectively located on two opposite surfaces of the foldable body; a processor; and a memory configured to store executable instructions that, when executed by the processor, cause the electronic device to implement the method according to claim 17. ### Claim 19 (depends on 18) The electronic device according to claim 18, wherein after the protective cover reaches the preset position with respect to the outer screen, the method further comprises: controlling the outer screen to display a small-window interface.