"Spatial Image Display Apparatus"

Abstract: Stereoscopic display with high definition compared with in the past may be easily realized. A lenticular lens 2 is disposed such that a longitudinal direction of each cylindrical lens 2A is parallel to an axis in a vertical direction Y of a two-dimensional display section 1. In addition, a plurality of beams corresponding to a plurality of view angles are radiated into a space by means of surface segmentation at a time, and a relative positional relationship between each cylindrical lens 2A and each pixel of the two-dimensional display section 1 is periodically changed, so that a radiation direction of display image light from one pixel through each cylindrical lens 2A is periodically displaced. Images corresponding to one frame of a three-dimensional video image are time-divisionally displayed for each pixel of the two-dimensional display section 1, and a timing of time division display of the two-dimensional display section 1 and a timing to change the relative positional relationship by displacement means are controlled to be synchronized with each other. Thus, stereoscopic display using a combination of a surface segmentation method and a time division method is performed, and consequently stereoscopic display with high definition compared with in the past is realized.

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