Shadow-matched Fresnel lens doublet for reduced optical artifacts
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United States of America
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Jun 4, 2024
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N/A
app pub date -
Sep 27, 2022
filing date -
Sep 27, 2022
priority date (Note) -
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Abstract
A lens assembly includes a first lens and a second lens. The first lens has a first lens surface and a second lens surface opposite to the first lens surface. The second lens surface includes a first plurality of Fresnel structures. The second lens, coupled to the first lens, has a third lens surface and a fourth lens surface opposite to the third lens surface. The third lens surface includes a second plurality of Fresnel structures. The third lens surface faces the first lens and the second lens surface faces the second lens. A headset that includes a display and the lens assembly is also disclosed. A method of transmitting, with the lens assembly, light from the display toward an image plane is also disclosed.
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