Application
Date:2011-05-26 13:49
Status:Be resolved
Question:admin
Compared to fluorescent bulbs, introduced at the 1939 Worlds Fair, advantages claimed for LED light bulbs[2] are that they contain no mercury (unlike a Compact fluorescent lamp or CFL), that they turn on instantly, and that lifetime is unaffected by cycling on and off, so that they are well suited for light fixtures where bulbs are often turned on and off. LED light bulbs are also less apt to break.
White-light light-emitting diode lamps have the traits of long life expectancy and relatively low
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06/25 14:55