PERSONAL DIGITAL ASSISTANT, AND DISPLAY CONTROL METHOD AND DISPLAY CONTROL PROGRAM THEREOF

摘要

An information processing device including a plurality of rectangular-shaped casings each including a first principal surface, and a second principal surface opposing the first principal surface and including a display panel having a predetermined aspect ratio. The information processing device including a connecting portion connecting each of the plurality of rectangular-shaped casings in a closed state in which each of the plurality of rectangular-shaped casings are mutually overlaid and a display panel of at least one of the plurality of rectangular-shaped casings is externally exposed, and in an open state in which wall portions of mutually adjacent rectangular-shaped casings abut and the display panels of each of the plurality of rectangular-shaped casings face a similar direction. The information processing device further includes a terminal state detecting unit that detects the closed state and the opened state, and a display control unit that controls display of each of the display panels.