On Fri, 22 Apr 2005, Jose Da Silva wrote:

> the fluorescent tube. Some laptops use PWM to brighten/dim the screen.
> The refresh rate of the LCD itself is rather slow because you are
> working on a liquid. Liquid has mass, therefore rather slow. I would
> not expect an LCD screen to refresh any higher than, let us say, 15Hz,
> and even that may be an optimistic figure.

Current LCDs are advertised for 50ms response times and 20ms is 
available as an extra. Some home theater devices are advertised as such.

Peter
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