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OLED
An
organic light-emitting diode
(
OLED
) is a
light-emitting diode
(LED) in which the
emissive
electroluminescent
layer is a film of
organic compound
that emits light in response to an electric current. This layer of
organic semiconductor
is situated between two electrodes; typically, at least one of these electrodes is transparent. OLEDs are used to create
digital displays
in devices such as
television
screens,
computer monitors
, portable systems such as
mobile phones
,
handheld game consoles
and
PDAs
. A major area of research is the development of white OLED devices for use in
solid-state lighting
applications.
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