<s>
Forth	B-Device
Dimension	I-Device
Displays	I-Device
(	O
ForthDD	O
)	O
is	O
a	O
British	O
optoelectronics	O
company	O
based	O
in	O
Dalgety	O
Bay	O
,	O
Fife	O
,	O
United	O
Kingdom	O
.	O
</s>
<s>
The	O
microdisplays	O
are	O
used	O
in	O
near-to-eye	O
(	O
NTE	O
)	O
applications	O
for	O
the	O
military	O
training	O
and	O
simulation	O
,	O
medical	O
imagery	O
,	O
virtual	B-Application
reality	I-Application
and	O
high	O
definition	O
image	O
processing	O
industries	O
.	O
</s>
<s>
ForthDD	O
's	O
microdisplays	O
and	O
SLMs	O
are	O
based	O
on	O
a	O
proprietary	O
,	O
high-speed	O
,	O
ferroelectric	O
liquid	B-Device
crystal	I-Device
on	I-Device
silicon	I-Device
(	O
LCOS	B-Device
)	O
platform	O
,	O
protected	O
by	O
a	O
number	O
of	O
patents	O
.	O
</s>
<s>
The	O
first	O
LCOS	B-Device
device	O
originated	O
in	O
1973	O
,	O
followed	O
by	O
a	O
development	O
of	O
a	O
liquid-crystal	O
light	O
valve	O
ten	O
years	O
later	O
.	O
</s>
<s>
It	O
was	O
capable	O
of	O
full	O
red	O
–	O
green	O
–	O
blue	O
image	O
generation	O
,	O
enabled	O
by	O
the	O
use	O
of	O
a	O
fast-switching	O
ferroelectric	O
liquid	B-Device
crystal	I-Device
.	O
</s>
<s>
During	O
the	O
early	O
part	O
of	O
the	O
21st	O
century	O
,	O
many	O
microdisplay	O
manufacturers	O
focused	O
on	O
applying	O
the	O
technology	O
to	O
rear-projection-based	O
high-definition	B-Device
television	I-Device
(	O
HDTV	B-Device
)	O
systems	O
.	O
</s>
<s>
However	O
,	O
due	O
to	O
developments	O
in	O
the	O
manufacturing	O
process	O
of	O
large-panel	O
Liquid	B-Device
Crystal	I-Device
Display	I-Device
Televisions	O
(	O
LCD	B-Device
TVs	O
)	O
and	O
resulting	O
drops	O
in	O
the	O
cost	O
of	O
components	O
,	O
LCD	B-Device
based	O
TVs	O
matured	O
into	O
the	O
more	O
popular	O
consumer	O
choice	O
.	O
</s>
<s>
ForthDD	O
is	O
a	O
supplier	O
of	O
microdisplays	O
for	O
Near-To-Eye	O
(	O
NTE	O
)	O
applications	O
and	O
spatial	O
light	O
modulators	O
for	O
fringe	B-Algorithm
projection	I-Algorithm
systems	O
.	O
</s>
<s>
These	O
products	O
are	O
available	O
as	O
chipsets	B-Device
and	O
board	O
level	O
based	O
products	O
.	O
</s>
<s>
ForthDD	O
's	O
microdisplays	O
are	O
typically	O
used	O
in	O
the	O
following	O
application	O
areas	O
:	O
Training	O
and	O
Virtual	B-Application
Environments	I-Application
,	O
Medical	O
Systems	O
and	O
Electronic	B-Algorithm
Viewfinders	I-Algorithm
(	O
EVFs	O
)	O
.	O
</s>
<s>
ForthDD	O
's	O
microdisplays	O
can	O
be	O
found	O
in	O
various	O
training	O
and	O
simulation	O
applications	O
across	O
military	O
and	O
civilian	O
environments	O
within	O
devices	O
such	O
as	O
virtual	O
binoculars	O
,	O
monocular	O
viewers	O
and	O
most	O
commonly	O
,	O
immersive	O
HMDs	B-General_Concept
(	O
for	O
example	O
,	O
in	O
NVIS	O
HMDs	B-General_Concept
)	O
.	O
</s>
<s>
By	O
using	O
HMDs	B-General_Concept
to	O
immerse	O
the	O
user	O
in	O
the	O
virtual	O
3D	O
environment	O
,	O
different	O
scenarios	O
,	O
which	O
may	O
be	O
too	O
dangerous	O
or	O
expensive	O
to	O
replicate	O
in	O
the	O
real	O
world	O
,	O
can	O
be	O
explored	O
.	O
</s>
<s>
Other	O
medical	O
applications	O
include	O
viewing	O
systems	O
such	O
as	O
endoscopes	B-Application
.	O
</s>
<s>
ForthDD	O
's	O
microdisplays	O
are	O
used	O
in	O
Electronic	B-Algorithm
Viewfinders	I-Algorithm
(	O
EVFs	O
)	O
for	O
HD	O
digital	B-Device
cinema	I-Device
cameras	I-Device
.	O
</s>
<s>
ForthDD	O
's	O
microdisplays	O
are	O
used	O
for	O
fringe	B-Algorithm
projection	I-Algorithm
and	O
confocal	O
inspection	O
in	O
non-contact	O
surface	O
quality	O
inspection	O
systems	O
(	O
for	O
example	O
,	O
in	O
Sensofar	O
products	O
)	O
.	O
</s>
