WAVEGUIDE DISPLAY WITH MULTIPLE JOINED FIELDS OF VIEW IN A SINGLE SUBSTRATE
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Aug 31, 2023
filing date -
Aug 31, 2023
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Abstract
A waveguide display includes a substrate, one or more projectors for projecting display light for different fields of view, two or more input gratings configured to couple the display light for different fields of view into the substrate, and a two-dimensional grating characterized by three or more different grating vectors that include grating vectors same as the grating vectors of the two or more input gratings. The two-dimensional grating is configured to couple the display light for different fields of view out of the substrate at a two-dimensional array of locations of the substrate. The two-dimensional grating includes a two-dimensional array of grating elements aligned along a plurality of directions or a plurality of layers of one-dimensional gratings characterized by different grating vectors.
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