Patent ID: 8405571
Filing Date: 2013-03-26
Classification: G06F,G11B,H04M,H04N

Abstract:
1. A display device for a mobile terminal comprising: a main display; a first sub-display positioned on the main display; a second sub-display positioned on the main display, wherein the first sub-display and the second sub-display are positioned on a rear surface of the main display adjacent to one another and configured to extend from the main display in opposite directions from the main display; and a sensor configured to detect an opened state of the first and second sub-displays, wherein when the first and second sub-displays are extended to a position of a semi-open state, the main display displays a first set of information, wherein the semi-open state is a state in which the first and second sub-displays are extended to a prescribed distance, and when the first and second sub-displays are extended to a position of an open state, the main display displays a second set of information different from the first set of information, wherein the open state is a state in which the first and second sub-displays are fully extended, and wherein all three displays change the displayed information according to the opened state of the first sub-display and the second sub-display.