Essential Factor for Determining Optical Output of Phosphor-Converted LEDs

Tsung Hsun Yang; Cheng Chien Chen; Ching Yi Chen; Yu Yu Chang; Ching Cherng Sun

doi:10.1109/JPHOT.2014.2308630

Essential Factor for Determining Optical Output of Phosphor-Converted LEDs

Tsung Hsun Yang, Cheng Chien Chen, Ching Yi Chen, Yu Yu Chang, Ching Cherng Sun

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

An essential factor of the particle number is exploited for the phosphor excitation in phosphor-converted white LEDs. The particle number can clearly reveal the dependence of the light output flux and the correlated color temperature upon the conventional parameters, thickness, and concentration of the phosphors in a simpler way. In addition, we also find that there might exist an optimal particle number for the maximal luminous light output. An empirical function is then proposed for successfully modeling the relation between the output light and the particle number.

Original language	English
Article number	8200209
Journal	IEEE Photonics Journal
Volume	6
Issue number	2
DOIs	https://doi.org/10.1109/JPHOT.2014.2308630
State	Published - 1 Apr 2014

Keywords

Light-emitting diodes
fluorescent and luminescent materials
wavelength conversion devices

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10.1109/JPHOT.2014.2308630

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title = "Essential Factor for Determining Optical Output of Phosphor-Converted LEDs",

abstract = "An essential factor of the particle number is exploited for the phosphor excitation in phosphor-converted white LEDs. The particle number can clearly reveal the dependence of the light output flux and the correlated color temperature upon the conventional parameters, thickness, and concentration of the phosphors in a simpler way. In addition, we also find that there might exist an optimal particle number for the maximal luminous light output. An empirical function is then proposed for successfully modeling the relation between the output light and the particle number.",

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AU - Sun, Ching Cherng

PY - 2014/4/1

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N2 - An essential factor of the particle number is exploited for the phosphor excitation in phosphor-converted white LEDs. The particle number can clearly reveal the dependence of the light output flux and the correlated color temperature upon the conventional parameters, thickness, and concentration of the phosphors in a simpler way. In addition, we also find that there might exist an optimal particle number for the maximal luminous light output. An empirical function is then proposed for successfully modeling the relation between the output light and the particle number.

AB - An essential factor of the particle number is exploited for the phosphor excitation in phosphor-converted white LEDs. The particle number can clearly reveal the dependence of the light output flux and the correlated color temperature upon the conventional parameters, thickness, and concentration of the phosphors in a simpler way. In addition, we also find that there might exist an optimal particle number for the maximal luminous light output. An empirical function is then proposed for successfully modeling the relation between the output light and the particle number.

KW - Light-emitting diodes

KW - fluorescent and luminescent materials

KW - wavelength conversion devices

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Essential Factor for Determining Optical Output of Phosphor-Converted LEDs

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Keywords

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