Abstract

A prototype autostereoscopic three-dimensional (3D) light-emitting diode (LED) display using a cylindrical diffractive optical elements (C-DOEs) sheet as the optical steering element is proposed. The operation of the system and the calculation method of the system parameters are described in detail. The DOEs sheet is placed from a distance from the LED display panel which is five times smaller of the existing technology, and the column spacings of the pixels of the LED display panel are nonequal in order to equalize the distance between the viewing zones. The prototype has a 1.33 m $^2$ display panel, 384 $\times$ 144 resolution and a horizontal field of view of 60 $^{\circ}$ . The experimental result shows that the proposed method is a potential autostereoscopic technology for the large area LED displays.

© 2014 IEEE

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