Patent ID: 11935445
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. A method for operating an electronic device comprising a flexible display which is rollable or slidable by a housing or a display support of the electronic device, wherein a size of a display area of the flexible display exposed to outside of the housing changes by a rolling movement or a sliding movement of the flexible display, the method comprising:
displaying a first screen of a first function in a first area of the flexible display visually exposed to the outside of the housing;
when the rolling movement or the sliding movement of the flexible display is identified, acquiring device state information comprising information indicating a power level of a battery of the electronic device;
identifying a screen redrawing method, from among a plurality of screen redrawing methods to redraw the first screen while the flexible display is rolling or sliding, based on the device state information; and
displaying, while the flexible display is rolling or sliding, a second screen corresponding to the first screen in a second area of the flexible display according to the identified screen redrawing method, wherein the second area is visually exposed to the outside of the housing while the flexible display is rolling or sliding,
wherein displaying the second screen comprises, when the power level of the battery is within a specified range, displaying, while the flexible display is rolling or sliding, the second screen obtained by one of a first method of having the first screen unchanged without redrawing an object included in the first screen, a second method of changing at least one of a size, a position, a filter, and a brightness of the first screen without redrawing the object included in the first screen, and a third method of changing the size of the first screen according to the changed size of the display area and redrawing the object included in the first screen, based on the identified screen redrawing method corresponding to the specified range.