
Fig. 1
The change in yellow phosphor concentration when using 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K

Fig. 2
WLED emission power with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K

Fig. 3
Lumen output with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K

Fig. 4
CCT variances of WLEDs with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K

Fig. 5
CRIs of WLEDs with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K

Fig. 6
CQS values of WLEDs with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K