Focus on AR/VR: Near-eye display based on metasurface devices

https://techxplore.com/news/2023-11-focus-arvr-near-eye-display-based.html

"less bulky, high light-modulating ultra-thin metasurface gratings, lenses, and holograms optics... sub-wavelength planar element antennas with superior modulation of light amplitude, phase, and polarization... metasurfaces can function as eyepieces, combiners, beam splitters, waveguides, direct projection.and large FOV AR displays... advanced 3D near-eye displays to help alleviate visual fatigue and provide a more natural 3D visual experience"

Related: Tiny OLED pixels can be manufactured like microchips
https://www.eurekalert.org/news-releases/1144908