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A look at testing standards for remote-phosphor devices due to degradation effects on white LEDs along with products from OSRAM, Intematix, and Bridgelux.
The white LED - emitting "white" light from an yttrium aluminum garnet (YAG) phosphor working in conjunction with a blue LED - is an established technology at the heart of many lighting fixtures.
White LEDs, emitting a combination of blue light from an LED and predominantly yellow light from a phosphor, are an established technology at the heart of many lighting fixtures.
The first LED replacements for 60 W incandescent bulbs are now appearing on shelves in local stores across the United States.