Patent ID: 9152180
Filing Date: 2015-10-06
Classification: G06F

Abstract:
1. A portable device comprising: a main display; a flexible display; a housing unit configured to contain at least a portion of the flexible display; a measurement unit configured to measure a first length of the flexible display, the first length being a measurement of the flexible display that is extended from the housing unit; and a control unit configured to: obtain a second length of the flexible display, the second length being a measurement of the flexible display that is not extended from the housing unit using the first length when the flexible display is extended from the housing unit, compare the second length with a width of the main display to obtain a comparison result, and display an indicator configured to indicate the second length on the main display according to the comparison result, wherein the indicator is displayed to move according to a change of the second length in a direction in which the flexible display is extended or reduced when the second length is equal to or less than the width of the main display.