China 9 LED lighting industry standards will be January 1, 2010 the formal implementation
Date:2011-05-17 18:31
Status:Be resolved
Question:admin
with a sapphire liner the parameters of the film index, test methods, geometry, test methods, quality assurance requirements, etc., The semiconductor light-emitting diodes using phosphors, provides white light emitting diode with phosphor performance requirements, test methods, inspection rules and signs, packaging, transportation, storage, etc., the standard includes five grades aluminate phosphor and silicate phosphors seven grades, for the present relatively new nitride phosphors, taking int
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