29 Nov
2006
29 Nov
'06
5:26 p.m.
On 29 Nov 2006 at 16:34, Chris M wrote:
is an electroluminescent display essentially a plasma
display? IBM made this huge amber color display that
was plasma IIRC. And it was essentially a flat panel
unit.
No. EL displays use a phosphor embedded in a plastic substrate
between two electrodes, one of which is transparent. Excited with an
AC voltage, the phosphor will glow. You can sometimes find EL "night
lights" that glow a soft green. Power consumption is in the
milliwatt range.
Cheers,
Chuck