Fig. 4: Color conversion characteristics.

a Color conversion efficiency (CCE) of Ttrz-DI nano-dot films used as color conversion layers. b Color conversion efficiency comparison of 4CzIPN nano-dot film, Ttrz-DI nano-dot film, 4tBuMB nano-dot film, and QD film. The color of each bar corresponds to the emission color of each fluorophore. c Stability test of nano-dot films under constant UV exposure. d Color conversion performance stability of new and aged films.