Color rendering index of the white LED with a yellow phosphor thickness of 0.1 mm, a red QD film at the QD concentration of 5 wt% under two conditions, i.e., without and with a prism film. PMMA indicates the diffuser.
PMMA | PMMA+prism | |
---|---|---|
Ra | 73.0 | 75.8 |
Re | 63.4 | 67.3 |
R9 | 7.8 | 26.7 |