Strong green-emission phosphor Ca2SiO4:Eu2+ to achieve the color constancy and high luminous efficiency for white LEDs

The study uses the green phosphor of Ca2SiO4:Eu2+ to achieve color constancy for dual-film remote white-LED model at low as well big CCTs. utilized was prepared using water-soluble-silicon liquid phase precursor method with doped Eu2+ ion concentration 3 mol%. emits strong light emission intensity focused 502 nm wavelength, and a wide stimulation band colors 225 – 450 nm. After applying modifying its concentration, modified luminous performances can be observed. better uniformity higher luminescence efficiency obtained by increasing percentage in configuration. Meanwhile, rendering metrics tend reduce slightly when is over 10% wt.