| http://www.w3.org/ns/prov#value | - A phosphor is a luminescent material that, when excited by a light of a certain wavelength, produces a light at a different wavelength, thus modifying the output light of the LED. Accordingly, where a particular color is desired and that color cannot be produced by available LEDs cost effectively, phosphors can be used as light ???converters??? to alter the color of the light produced by an availa
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