> For both of you:
>
> http://en.wikipedia.org/wiki/Seven-segment_display
>
> And yes, the LED version /does/ exist in reality.
>
> It's less common however where you want a low power consumption, such as
> any device that is supposed to display anything in standby mode, or any
> device that is supposed to operate from batteries. LCD and vacuum
> fluorescent tubes are preferred there.

And yet, the VFD article shows several 7-segment displays implemented as 
VFDs, and claims that their main strength is very high brightness.

I don't know, man. Some of those blue LEDs seem pretty ****ing bright to 
me...

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