<s>
Alternate	B-General_Concept
lighting	I-General_Concept
of	I-General_Concept
surfaces	I-General_Concept
(	O
ALiS	B-General_Concept
)	O
is	O
type	O
of	O
plasma	O
display	O
technology	O
jointly	O
developed	O
by	O
Fujitsu	O
and	O
Hitachi	O
in	O
1999	O
.	O
</s>
<s>
Alternate	B-General_Concept
lighting	I-General_Concept
of	I-General_Concept
surfaces	I-General_Concept
uses	O
an	O
interlaced	O
scanning	O
method	O
rather	O
than	O
a	O
progressive	B-Device
one	O
.	O
</s>
