Fig. 5. (Color online) The change in (a) the CCT and (b) the CRI(Ra, Re, and R9) of six different white LEDs, and (c) the change in the color coordinates on the CIE1931 chromaticity diagram (Y = blue LED + YAG plate, Y+QD = blue LED+YAG plate + red QD film, Y+QD+P1 = blue LED + YAG plate + red QD film + one prism film, Y+QD+P1+MLA = blue LED + YAG plate + red QD film + one prism film + MLA-1, Y+QD+P2 = blue LED + YAG plate + red QD film + two prism films, Y+QD+P2+MLA = blue LED + YAG plate + red QD film +two prism films + MLA-1).
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