Highly efficient rare-earth-free deep red emitting phosphor La2Li1−ySb1−xO6:xMn4+,yMg2+: application in high-power warm w-LEDs

A highly efficient La₂Li_1−ySb_1−xO₆:xMn⁴⁺,yMg²⁺ red phosphor with enhanced photoluminescence and the corresponding PiG-based high-power warm w-LEDs were investigated.