Abstract
In this study, we modeled the transmitted and reflected light of a phosphor layer
in light-emitting diode packages by coupling the revised Kubelka-Munk and Mie-Lorenz
theories. Through analyzing the transmitted and reflected light separately, it is found
that the transmitted and reflected blue light vary monotonically with the changes of
phosphor particle size, concentration and thickness. While the trends of the transmitted
and reflected yellow light are non-monotonic, which are influenced by the interactions
among the phosphor particle size, concentration and thickness. The light extraction
efficiency through a phosphor layer was discussed. The reasons behind these phenomena
were also presented.
© 2013 IEEE
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