Cd-free Type I core-shell quantum dots use an insulator coating to raise PLQY and stability for LED light down-conversion.
Controlled Ce and Li phosphor composition plus a tight particle size distribution improves blue light conversion and quantum efficiency.
A borosilicate-alumina glass enables lower-temperature firing to limit phosphor degradation while improving weather resistance in LED wavelength converters.
Ultrasonic dispersion in sodium hexametaphosphate controls phosphor particle size, suppressing aggregation and nozzle clogging in micro LED layers.
A solubility-based phosphor mixture enables simple separation of reusable luminophores from mercury-containing lamp waste without caustic chemicals.
Strong polymer cross-linking to the quantum dot passivation layer prevents darkening during extrusion and injection molding.
Wide-band-gap Cr-doped NIR phosphors suppress thermal quenching and self-absorption, improving 700-1100 nm conversion stability.
A rare-earth silicate phosphor stabilizes LED emission wavelength and color rendering while reducing chip binning complexity and phosphor cost.
An oxide coating formed during perovskite crystallization blocks water and oxygen damage while preserving blue emission and quantum yield over time.
Moderate nitrogen pressure in a gas pressure furnace enables scalable nitridophosphate phosphor synthesis without the extreme cost of >1 GPa routes.
Ga2O3 phosphor with Cr and/or Fe centers and AlF3 flux boosts near-infrared output under near-UV to blue excitation for biochemical analyzers.
An oxide precursor forms a protective coating during perovskite formation, preserving blue emission and photoluminescence under heat and light.
Halide-treated zinc-selenium quantum dots and a zinc oxide charge layer improve conductivity, electroluminescence, and lifespan.
A tuned SiO2-B2O3-Al2O3 glass lowers firing temperature to protect phosphors while preserving weather resistance and UV transmittance.
A dual-phosphor light source creates a spectral trough at 650-750 nm to separate visible and near-infrared light for clearer viewing and detection.
A pore-sealing second encapsulation blocks oxygen and water ingress, preserving nanocrystal wavelength conversion under chemical stress.
An infiltration matrix fills pores in phosphor conversion elements to cut scattering and improve thermal conductivity in thin high-CRI designs.