INFORMATION DISPLAY APPARATUS, INFORMATION DISPLAY SYSTEM, INFORMATION DISPLAY METHOD, AND PROGRAM

An information display apparatus according to an embodiment includes a first display unit configured to display information, a placement part including a noncontact charging unit configured to charge the placed portable terminal apparatus, an orientation determination unit configured to determine an orientation of the placed portable terminal apparatus, a first display control unit, and a charging control unit. The charging control unit controls the noncontact charging unit so as to perform a process for charging the portable terminal apparatus when the portable terminal apparatus is placed on the placement part. The first display control unit displays information to be displayed in the first display unit while changing the information according to whether the orientation of the portable terminal apparatus determined by the orientation determination unit is a first orientation or a second orientation different from the first orientation.