SPHERICAL PHOSPHOR, WAVELENGTH CONVERSION-TYPE PHOTOVOLTAIC CELL SEALING MATERIAL, PHOTOVOLTAIC CELL MODULE, AND PRODUCTION METHODS THEREOF
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United States of America Patent
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Issued Date -
Oct 3, 2013
app pub date -
Nov 18, 2011
filing date -
Dec 6, 2010
priority date (Note) -
Abandoned
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Abstract
A spherical phosphor includes a fluorescent substance having a maximum excitation wavelength of 400 nm or longer; and a transparent material containing the fluorescent substance, in which, in an excitation spectrum, an excitation spectral intensity in a wavelength region of from 340 nm to 380 nm is 50% or higher of an excitation spectral intensity at a maximum excitation wavelength. A wavelength conversion-type photovoltaic cell sealing material includes a light-permeable resin composition layer that contains the spherical phosphor and a sealing resin.
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