Spectral investigation of R, Ce:YAG ( R: Pr3+, Eu3+, Gd3+) single crystals and their applications in white LEDs |
The CIE color coordinates of WLEDs using R , Ce:YAG ( R : Pr3+, Eu3+, Gd3+) single crystals of different thicknesses (0.5 mm, 1.0 mm, 2 mm). |