Inventor
FENG XIAYU
US11 patents
Patents
11 patentsUS12493264B2Dec 9, 2025
Method for birefringence patterning
META PLATFORMS TECH LLC0 citations62
US11815853B2Nov 14, 2023
PVH in-band chromatic correction using metasurface
META PLATFORMS TECH LLC0 citations62
US12560806B2Feb 24, 2026
Directional illuminator and display apparatus with switchable diffuser
META PLATFORMS TECH LLC0 citations61
US12443032B2Oct 14, 2025
Eye tracking with switchable gratings
META PLATFORMS TECH LLC0 citations61
US12092850B2Sep 17, 2024
Patterned anisotropic films and optical elements therewith
META PLATFORMS TECH LLC0 citations61
US11846774B2Dec 19, 2023
Eye tracking with switchable gratings
META PLATFORMS TECH LLC0 citations61
US12510704B2Dec 30, 2025
Waveguide with birefringent organic solid crystal layer
META PLATFORMS TECH LLC0 citations60
US12259616B1Mar 25, 2025
Heliconical liquid crystal polarization hologram and device including the same
META PLATFORMS TECH LLC0 citations60
US11953796B2Apr 9, 2024
Tunable polarization holographic lenses
META PLATFORMS TECH LLC0 citations59
US12117687B1Oct 15, 2024
Liquid crystal polarization hologram with enhanced angular luminance uniformity and system including the same
META PLATFORMS TECH LLC0 citations56
US12399369B2Aug 26, 2025
Curved light guide image combiner and system including the same
META PLATFORMS TECH LLC0 citations52