<s>
A	O
light-emitting	B-Algorithm
electrochemical	I-Algorithm
cell	I-Algorithm
(	O
LEC	O
or	O
LEEC	B-Algorithm
)	O
is	O
a	O
solid-state	O
device	O
that	O
generates	O
light	O
from	O
an	O
electric	O
current	O
(	O
electroluminescence	O
)	O
.	O
</s>
<s>
sandwiching	O
)	O
an	O
organic	B-Algorithm
semiconductor	I-Algorithm
containing	O
mobile	O
ions	O
.	O
</s>
<s>
Aside	O
from	O
the	O
mobile	O
ions	O
,	O
their	O
structure	O
is	O
very	O
similar	O
to	O
that	O
of	O
an	O
organic	B-Device
light-emitting	I-Device
diode	I-Device
(	O
OLED	B-Device
)	O
.	O
</s>
<s>
LECs	O
have	O
most	O
of	O
the	O
advantages	O
of	O
OLEDs	B-Device
,	O
as	O
well	O
as	O
additional	O
ones	O
:	O
</s>
<s>
In	O
2012	O
fabrication	O
of	O
organic	O
light-emitting	B-Algorithm
electrochemical	I-Algorithm
cells	I-Algorithm
(	O
LECs	O
)	O
using	O
a	O
roll-to-roll	O
compatible	O
process	O
under	O
ambient	O
conditions	O
was	O
reported	O
.	O
</s>
