Layered Display with Accommodation Cue Using Scattering Polarizers

A projection-type layered display inducing the accommodation cue is proposed. To support the accommodation cue, the concept of multiplane displays, especially the principle of additive type compressive light field display, is adopted. To achieve the additive type light field display, two layered scattering polarizers and a single projector which is synchronized with polarization rotator are used. Scattering polarizer diffuses light rays with specific linear polarization state while transmits the other rays with the orthogonal polarization state. Utilizing this characteristic, two layer images can be displayed at different depths presenting multiplane display. By adopting an additional computational process, several viewpoints can be provided to a single eye and support the accommodation cue. We expect that the proposed method can be adopted to virtual reality system. Detailed principle of the proposed system and its feasibility are explained with simulations and experiments.

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