Simulation model. (a) White LED lighting module considered for the simulation and (b) its three-dimensional simulation model. (c) Cross-sectional view of the simulation model showing the dimensions and the arrangement of each component.|@|~(^,^)~|@|Simulation input data. (a) Size distribution of the TiO₂ scattering particles embedded in the diffuser plate. (b) Absorption spectrum (triangle), emission spectrum (circle) and quantum yield (square) in the visible range.|@|~(^,^)~|@|Emitting spectra without the red quantum dot film (circle) and with the quantum dot film attached on either the bottom (triangle) or the top (square) surface of the diffuser plate.|@|~(^,^)~|@|Dependence of (a) the luminance and (b) the normalized spectra on the mean free path of quantum dots.|@|~(^,^)~|@|Dependence of the color coordinates (a) x and (b) y on the mean free path of quantum dots.|@|~(^,^)~|@|Dependence of the two CRI values, (a) Ra and (b) Re, on the mean free path of quantum dots.|@|~(^,^)~|@|Dependence of (a) the luminance and (b) the normalized spectra on the concentration of the TiO₂ scattering particles embedded in the diffuser plate.|@|~(^,^)~|@|Dependence of the color coordinates. (a) x and (b) y on the concentration of the TiO₂ scattering particles embedded in the diffuser plate.|@|~(^,^)~|@|Dependence of the two CRI values, (a) Ra and (b) Re, on the concentration of the TiO₂ scattering particles embedded in the diffuser plate.|@|~(^,^)~|@|Angular dependence of the color coordinates x on the viewing angle: (a) four cases with two different MFPs, and (b) four cases with two different concentrations of the TiO₂ scattering particles.

2021;32:163~171 https://doi.org/10.3807/KJOP.2021.32.4.163