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US Patent 11561336 Transparent illumination layer with transparent waveguide structure

Patent 11561336 was granted and assigned to Meta on January, 2023 by the United States Patent and Trademark Office.

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An optical element includes a transparent layer, outcoupling elements, and a waveguide structure. The outcoupling elements are positioned across the transparent layer. The waveguide structure provides non-visible light to the outcoupling elements and the outcoupling elements outcouple the non-visible light as non-visible illumination light to illuminate an eye region.

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