
93-11Plasma-Driven Flat Panel Displays
plasma pixels operate with E/P values near 18.8 V/m/Pa (25 V/cm/torr). Both charge pair production and
luminous eciency are then optimized with Ar gas fractions between 0.1% and 10%, depending upon
th
e
sp
ecics
of th
e
pi
xel
ga
s
pr
essure,
ga
p
wi
dth,
an
d
dr
iving
vo
ltage
. Fo
r
a gi
ven
ap
plied
vo
ltage,
th
e
pr
oduct
of th
e
ga
s
pr
essure
(P) an
d
th
e
ga
s
ga
p
di
mension
(d) pr
ovides
a me
asure
of th
e
ba
lance
be
tween
el
ectron
ac
celeration
by th
e
el
ectric
e
ld
an
d
el
ectron
en
ergy
lo
ss
du
e
to co
llisions
wi
th
th
e
ba
ckground
ga
s
. Pa
schen
cu
rves,
wh
ich
pl
ot
th
e
ga
s
br
eakdown
vo
ltage
vs. th
e
Pd pr
oduct,
fo
r
se
veral
in
ert