
95-1
95.1 Introduction
A light-emitting diode (LED) display manifests itself as a at panel display that uses LEDs to display
video. An LED is a particular solid-state p-n junction diode that gives out light upon the application of
a bi
as
vo
ltage
. e lu
minescence
pr
ocess
in th
is
ca
se
is el
ectroluminescence,
wh
ich
is as
sociated
wi
th
em
ission
wa
velengths
in th
e
vi
sible
an
d
in
frared
re
gions
of th
e
sp
ectrum
. Wh
en
a fo
rward
bi
as
is ap
plied
to th
e
p-
n
ju
nction
di
ode,
ca
rriers
ar
e
in
jected
in
to
th
e
de
pletion
re
gion
in la
rge
nu
mbers
. Be
cause
of
th
eir
ph
ysical
pr
oximity,
th
e
el
ectron–hole
pa
irs
un
dergo
a re
combination
th
at
is as
sociated
wi
th
th
e
emi