High-performance green-emitting Ca2YScAl2Si2O12:Ce3+ garnet phosphors and their applications in high-quality blue-chip-pumped white LEDs

A new high-brightness broadband green-emitting Ca 2 YScAl 2 Si 2 O 12 :Ce 3+ garnet phosphor (IQE = 91.1%, EQE = 51.7%) enables high-quality white LEDs ( R a = 92.6, CCT = 4726 K, LE = 109.89 lm W −1 ).