Super multi-view display based on pixelated nanogratings under an illumination of a point light source

Abstract In this paper, a super multi-view display based on a diffractive optical element with pixelated nanogratings is proposed to solve the vergence-accommodation conflict in three-dimensional displays. The diffractive optical element can modulate the phase information of a three-dimensional scene to form a series of viewing points under the illumination of a point light source. By designing the vector of each nanograting in the diffractive optical element, the viewing points with a pitch of less than the pupil diameter of the human eye can be formed for providing the super multi-view display and smooth motion parallax. By combining a 6 inch 25-view diffractive optical element with a binary masking patterns, we experimentally demonstrated that the proposed super multi-view display can present three-dimensional images with correct depth cues and smooth motion parallax, which enables three-dimensional perception free of the vergence-accommodation conflict and visual fatigue problems. The proposed super multi-view display system shows great potential for applications like mobile electronics and see-through head-mounted displays.

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