Samsung Electronics Co., Ltd.

Jinhee Choi

Sehwan Park

Youngjoo Park

Minjeong Kang

A method and an electronic device are provided in which, in response to a first user input, a stack of partially overlaid visual elements is displayed in response to the first user input. Each visual element corresponds to an application that is running in the electronic device and includes an index item representing the corresponding application. A second user input for selecting a visual element from the stack of partially overlaid visual elements is received through the touchscreen. An execution screen of an application corresponding to the selected visual element is displayed.

Method and apparatus for switching tasks

Method and apparatus for switching tasks using a displayed task stack

A multitasking method and apparatus of a user device are provided in which an interaction requesting task-switching is received in a state where an execution screen of a certain application is displayed. A stack of tasks that are currently running are displayed. A task selected from the stack is switched to a foreground task. An execution window of the foreground task is presented.

A method of controlling a sleep mode of a portable terminal is provided. The method includes setting a sleep mode timer according to a default setting; displaying, upon reaching a predetermined time point before expiration of the sleep mode timer, a notice screen including the sleep mode timer and a timer setting area for re-setting the sleep mode timer according to a temporary setting; and entering, when a sleep mode timer temporary resetting command is received while the notice screen is displayed, a screen maintaining mode in which the sleep mode timer is temporarily re-set from the default setting to a temporary setting according to the sleep mode timer temporary resetting command.

Growing community of inventors

Suwon-si, South Korea

Jinhee Choi