Display device including fresnel lens
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United States of America Patent
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Jan 23, 2018
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N/A
app pub date -
Apr 20, 2016
filing date -
Nov 11, 2015
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Abstract
A display device including pixels disposed on a substrate, and a lens layer disposed on the substrate, the lens layer including Fresnel lenses respectively corresponding to the pixels. Each of the Fresnel lenses includes Fresnel zones disposed adjacent to each other in a radial direction with respect to a center of a corresponding Fresnel lens, and refractive indices of each of the Fresnel zones change stepwise along the radial direction.
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