A revised Kubelka-Munk theory for spectral simulation of phosphor-based white light-emitting diodes

被引：18
|
作者：
Ishida, Kunio [1 ]
Mitsuishi, Iwao [1 ]
Hattori, Yasushi [1 ]
Nunoue, Shinya [1 ]
机构：
[1] Toshiba Co Ltd, Ctr Corp Res & Dev, Saiwai Ku, Kawasaki, Kanagawa 2128582, Japan
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 24期
关键词：
light emitting diodes; light scattering; luminescence; phosphors;
D O I：
10.1063/1.3049406
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We developed a simulation method for designing the luminescence profiles of white light-emitting diodes (LEDs) with multicolor phosphor blend. By taking into account the effect of the light scattering by phosphor particles as well as the reabsorption effect by phosphor species, we found a model of white LEDs to calculate the light output as a function of various parameters such as the thickness of the resins, the concentration of phosphors, and the spatial distribution of phosphor particles. This method is widely applicable to phosphor-based white LEDs with either blue or UV excitation.
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页数：3
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