Method of tuning a light emitting diode by output

摘要

A method of tuning a light-emitting diode (27) is provided, comprising the steps of:
measuring the wavelength and/or radiant flux produced by the light-emitting diode, and thereafter covering the diode with an amount of phosphor (34) combined with a polymer resin (33) that produces a selected colour based upon the measured colour and the added phosphor in the resin.