Front panel switches - what did they do?

Chuck Guzis cclist at
Tue May 24 14:39:24 CDT 2016

On 05/24/2016 12:18 PM, Brent Hilpert wrote:

> EL (Electro-luminescent) is another technology that more-directly
> excites the phosphor with an AC supply. No vacuum bottle or hot
> filament. Nowhere near as prevalent as VF.

You still see them in military/aerospace applications. Planar used to be
industry leader in those, but it was acquired a couple of years ago by a
Finnish outfit, Beneq.

The business unit is called Lumineq:

Thin-film EL displays are pretty cool.  They're transparent.  Like all
modern EL displays, they're pre-patterned with display elements.


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