wavelength conversion type solar cell encapsulant for spherical phosphor, wavelength conversion type solar cell encapsulant, sun battery module and a method for their preparation

摘要

PROBLEM TO BE SOLVED: To provide a spherical phosphor capable of raising a light utilization efficiency in a solar battery module and stably improving a power generation efficiency, and a sealing material for a wavelength conversion solar battery containing the spherical phosphor.SOLUTION: The spherical phosphor includes a fluorescent substance and a transparent material containing the same. The sealing material for a wavelength conversion solar battery includes a light transmissive resin composition layer containing the spherical phosphor and a sealing resin.