THREE-DIMENSIONAL PRINTED OPTICAL LENS ON A SUBSTRATE
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United States of America
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Nov 7, 2024
app pub date -
May 5, 2023
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May 5, 2023
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Abstract
Fabrication of optical lenses in optical assemblies of small form factor cameras and augmented reality (AR)/virtual reality (VR) near-eye display devices is described. An optical lens may be printed using a three-dimensional printing technique over a substrate such as glass following application of an optically clear adhesive (OCA) layer on the substrate. A buffer layer may also be used between the substrate and the OCA layer. Alternatively, a display waveguide may be used as substrate with a low optical index buffer layer between the OCA layer and the waveguide eliminating an air gap between the optical lens and the waveguide.
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