STANDARD ILLUMINANT LED AND A DEVICE FOR MEASURING VISIBLE RAY TRANSMITTANCE USING THE SAME, CAPABLE OF REDUCING MEASURING ERRORS

摘要

PURPOSE: A standard illuminant LED and a device for measuring visible ray transmittance using the same are provided to remarkably reduce errors occurred when visible ray transmittance is measured.;CONSTITUTION: A standard illuminant LED(114) comprises a base, a B chip(114a), and a fluorescent substance(114b). Power is supplied to the base. The B chip is installed in the base. The fluorescent substance is formed by mixing a G fluorescent material, an O fluorescent material, and an R fluorescent material and is spread on the surface of the B chip. A radiation lens(114c) is installed on the fluorescent substance.;COPYRIGHT KIPO 2011