<s>
FPR	O
(	O
Film-type	B-General_Concept
patterned	I-General_Concept
retarder	I-General_Concept
)	O
is	O
a	O
technology	O
promoted	O
by	O
LG	O
that	O
is	O
employed	O
in	O
its	O
line	O
of	O
3D	B-Algorithm
televisions	I-Algorithm
based	O
on	O
circular	O
polarization	O
.	O
</s>
<s>
Both	O
images	O
are	O
combined	O
in	O
the	O
brain	O
and	O
generate	O
the	O
3D	B-Algorithm
effect	O
.	O
</s>
<s>
FPR	O
3D	B-Algorithm
tech	O
is	O
said	O
to	O
deliver	O
a	O
brighter	O
screen	O
with	O
less	O
cross	O
talk	O
,	O
less	O
ghosting	O
,	O
and	O
no	O
flickering	O
.	O
</s>
<s>
SG	O
(	O
Shutter	B-Algorithm
Glasses	I-Algorithm
)	O
3D	B-Algorithm
shows	O
the	O
left	O
and	O
right	O
eye	O
images	O
alternately	O
.	O
</s>
<s>
When	O
the	O
TV	B-Operating_System
displays	O
the	O
left	O
eye	O
image	O
,	O
the	O
glasses	O
block	O
the	O
signal	O
of	O
right	O
eye	O
image	O
by	O
closing	O
the	O
shutter	O
of	O
right	O
glass	O
lens	O
.	O
</s>
<s>
By	O
contrast	O
,	O
FPR	O
3D	B-Algorithm
shows	O
the	O
images	O
of	O
left-eye	O
and	O
right-eye	O
simultaneously	O
,	O
dividing	O
the	O
images	O
into	O
right-eye	O
and	O
left-eye	O
by	O
the	O
correlation	O
between	O
FPR	O
film	O
on	O
panel	O
surface	O
and	O
polarizing	O
glasses	O
.	O
</s>
<s>
Shutter	B-Algorithm
glasses	I-Algorithm
mostly	O
eliminate	O
"	O
ghosting	O
"	O
which	O
is	O
a	O
problem	O
with	O
other	O
3D	B-Algorithm
display	O
technologies	O
such	O
as	O
RealD	B-Algorithm
3D	I-Algorithm
,	O
or	O
Dual	O
projector	O
setups	O
.	O
</s>
<s>
Moreover	O
,	O
unlike	O
red/cyan	B-Algorithm
colour	I-Algorithm
filter	I-Algorithm
3D	I-Algorithm
glasses	I-Algorithm
,	O
LC	B-Algorithm
shutter	I-Algorithm
glasses	I-Algorithm
are	O
colour	O
neutral	O
,	O
enabling	O
3D	B-Algorithm
viewing	O
in	O
the	O
full	O
colour	O
spectrum	O
,	O
but	O
the	O
technology	O
has	O
problems	O
such	O
as	O
twinkle	O
,	O
vertigo	O
,	O
and	O
uncomfortable	O
glass	O
Liquid	B-Algorithm
crystal	I-Algorithm
shutter	I-Algorithm
glasses	I-Algorithm
.	O
</s>
<s>
FPR	O
3D	B-Algorithm
has	O
been	O
developed	O
to	O
overcome	O
some	O
of	O
the	O
restraints	O
of	O
shutter	B-Algorithm
glasses	I-Algorithm
.	O
</s>
<s>
Some	O
obstacles	O
such	O
as	O
eye-health-concern	O
caused	O
by	O
flicker	O
&	O
cross-talk	O
,	O
and	O
heavy	O
and	O
inconvenient	O
3D	B-Algorithm
glasses	O
run	O
by	O
rechargeable	O
battery	O
are	O
there	O
in	O
3D	B-Algorithm
TV	I-Algorithm
industry	O
.	O
</s>
<s>
An	O
early	O
implementation	O
of	O
the	O
technology	O
was	O
by	O
Zalman	O
,	O
in	O
their	O
'	O
Trimon	O
 '	O
computer	B-Device
monitors	I-Device
rather	O
than	O
TV	B-Operating_System
,	O
available	O
around	O
the	O
end	O
of	O
2007	O
.	O
</s>
<s>
FPR	O
(	O
Film-type	B-General_Concept
Patterned	I-General_Concept
Retarder	I-General_Concept
)	O
improves	O
on	O
the	O
cost	O
of	O
Patterned	O
Retarder	O
(	O
PR	O
)	O
technology	O
that	O
needed	O
to	O
add	O
an	O
extra	O
polarizing	O
glasses	O
substrate	O
to	O
the	O
LCD	O
TV	B-Operating_System
panel	O
.	O
</s>
<s>
FPR	O
has	O
reached	O
the	O
point	O
where	O
it	O
can	O
use	O
film	O
instead	O
of	O
glass	O
,	O
reducing	O
the	O
extra	O
cost	O
to	O
25%	O
of	O
what	O
it	O
used	O
to	O
be	O
,	O
while	O
the	O
polarized	O
glasses	O
are	O
80%	O
cheaper	O
than	O
shutter	B-Algorithm
glasses	I-Algorithm
.	O
</s>
<s>
FPR	O
panels	O
provide	O
brighter	O
3D	B-Algorithm
images	O
.	O
</s>
<s>
Nearly	O
two	O
times	O
brighter	O
than	O
conventional	O
3D	B-Algorithm
TVs	I-Algorithm
,	O
the	O
FPR	O
3D	B-Algorithm
TV	I-Algorithm
produces	O
brighter	O
and	O
clearer	O
pictures	O
with	O
3D	B-Algorithm
Light	O
Boost	O
,	O
a	O
thin	O
film	O
covering	O
the	O
screen	O
that	O
enhances	O
brightness	O
in	O
3D	B-Algorithm
.	O
</s>
<s>
The	O
SG	O
technology	O
can	O
only	O
use	O
glasses	O
which	O
are	O
connected	O
with	O
TV	B-Operating_System
in	O
sync	O
so	O
there	O
are	O
few	O
glasses	O
that	O
viewers	O
can	O
use	O
.	O
</s>
<s>
In	O
contrast	O
,	O
the	O
FPR	O
technology	O
does	O
not	O
need	O
this	O
process	O
so	O
there	O
is	O
no	O
limit	O
to	O
the	O
number	O
of	O
people	O
who	O
can	O
watch	O
the	O
3D	B-Algorithm
TV	I-Algorithm
at	O
the	O
same	O
time	O
.	O
</s>
<s>
In	O
addition	O
,	O
glasses	O
can	O
be	O
shared	O
between	O
different	O
3D	B-Algorithm
sources	O
,	O
including	O
monitors	O
and	O
laptops	B-Device
.	O
</s>
