Optical device and head-mounted display device and imaging device equipped with the same
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United States of America Patent
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Jan 2, 2018
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app pub date -
Jan 29, 2016
filing date -
Jan 29, 2015
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Abstract
An optical device includes a light-shielding layer and a microlens array. The light-shielding layer includes a plurality of openings. The microlens array is divided into a plurality of microlenses corresponding to the respective plurality of openings. A refractive index of the microlens array is variable so that light is incident on the microlenses is focused on the respective plurality of openings. A portion where light is focused includes a central position of the corresponding opening.
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