Patent ID: 8294835

Claim:
A stage apparatus, comprising: a plurality of display parts for displaying video; at least one supporting member for supporting the display part; a position controlling means for controlling a position of the display part such that the plurality of display parts are moved to have a predetermined positional relation with respect to one another; and a video controlling means for displaying the video in the display part; wherein: the at least one supporting member extends from the stage to support the display part from a back surface thereof, the supporting member comprising: a pillar portion; a first joint portion provided at an end portion of the pillar portion, for turnably jointing the display part to the pillar portion; and a second joint portion provided at a proximal end portion of the pillar portion, for turnably jointing the pillar portion; wherein: the position controlling means controls an angle between the pillar portion jointed to the first joint portion and the display part jointed to the first joint portion such that the display part is turned in a first direction with respect to the pillar portion, the angle being calculated based on the position of the display part; the position controlling means controls an angle between members jointed to the second joint portion such that the pillar portion is turned in a second direction different from the first direction, the angle being calculated based on the position of the display part; the position controlling means controls the position of the display part such that a first arrangement is achieved, in which a first display part and a second display part among the plurality of display parts are aligned with each other; the position controlling means controls the position of the display part such that a second arrangement is achieved, in which the first display part and the second display part are out of alignment; the video controlling means causes the first display part to display one part of predetermined video while causing the second display part to display another part of the predetermined video when the first display part and the second display part are in the first arrangement; and the video controlling means causes the first display part and the second display part to display different kinds of video, respectively, when the first display part and the second display part are in the second arrangement.