PROJECTOR INCLUDING META-LENS
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United States of America Patent
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Issued Date -
May 9, 2019
app pub date -
May 30, 2018
filing date -
May 30, 2018
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Abstract
Provided are projectors, each including a light source configured to emit laser light, a substrate spaced apart from the light source by a distance, a pattern mask including a pattern on a first surface of the substrate, the first surface facing the light source, and a meta-lens including a plurality of first nanostructures on a second surface of the substrate, the second surface facing the first surface, the nanostructures having a shape dimension of a sub-wavelength that is less than a wavelength of light emitted from the light source.
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