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field emission display
(foldoc) | field emission display
FED
(FED) A type of flat panel display in which field
emitting cathodes bombard a phosphor coating causing it to
emit light.
A field emission display is similar to a cathode ray tube
but only a few millimeters thick. They use a large array of
fine metal tips or carbon nanotubes (which are the most
efficient electron emitters known), to emit electrons through
a process known as field emission. Many of these are behind
each phosphor dot so FEDs do not display dead pixels like LCDs
even if 20% of the emitters fail. Sony is researching FED
because it is the flat-panel technology that comes closest to
matching the picture of a CRT.
(2007-10-10)
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