Fig. 1. Spectral test results of phosphors and blue chip

Fig. 2. (a) White light spectra under different mass ratios (15% red phosphor); (b) Double Gaussian peak fitting of green fluorescence emission spectrum

Fig. 3. Measured and predicted spectra of white light under different mass ratios between two phosphors and their concentrations

Fig. 4. (a) w₂/w₁ under different concentrations of red phosphor; (b) Linear fitting between w₂/w₁ and the mass ratios between two phosphors

Fig. 5. Test results of parameters fitting

Fig. 6. Predicted spectrum by model and measured spectrum