Stereoscopic display apparatus using various methods for displaying stereoscopic videos have been considered. For example, there is a stereoscopic display apparatus using a method including displaying an video for one eye and an video for the other eye corresponding to disparity for visualizing a stereoscopic video, and alternately switching a left-eye shutter and a right-eye shutter in a glasses unit (for example, see the patent literature 1).
In the stereoscopic display apparatus according to the patent literature 1, a simultaneous light-shielding period is provided in a part of each frame period for suppressing flicker caused by afterimages. In the simultaneous light-shielding period, a right-eye shutter and a left-eye shutter are in a light-shielding state at the same time.