US Patent 11994705 Light-guide optical element with multiple-axis internal aperture expansion
Patent 11994705 was granted and assigned to Lumus on May, 2024 by the United States Patent and Trademark Office.
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US Patent 11994705 Light-guide optical element with multiple-axis internal aperture expansion
Article
Patent abstract
An optical device includes a lightguide having a first pair of external surfaces parallel to each other, and at least two sets of facets. Each of the sets including a plurality of partially reflecting facets parallel to each other, and between the first pair of external surfaces. In each of the sets of facets, the respective facets are at an oblique angle relative to the first pair of external surfaces, and at a non-parallel angle relative to another of the sets of facets. The optical device is particularly suited for optical aperture expansion.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Elad Sharlin0
Yochay Danziger0
Date of Patent
May 28, 2024
0Patent Application Number
178408020
Date Filed
June 15, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
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