High-efficiency, ultra-high-resolution holographic displays using perovskite nanocrystals embedded in glass

https://www.eurekalert.org/news-releases/1123901

"full-color emission from single light source maintaining stability/ brightness challenging, overcome using sodium fluoride polymerizing glass network loosening glass framework/ lowering transition temperature... optimizes all-inorganic lead halide perovskite nanocrystal growth, enables single-wavelength excitation allowing single 405 nm laser triggering RGB emissions without complex multiple light paths... 36% photoluminescence quantum yield, 20,000 PPI pixel density... dynamic holographic displays"