A CRT displays a single active dot of light moving across the screen.
It's been a very long time since I paid any attention to the inner
details, but a LCD displays and updates much more than a single dot at
any one instance. The affects of persistance are much different.
-jeff
On 9/27/07, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> This raises a question in my mind. I know that LCD's were initally not
> considered good for fast moving games because of persistence. But I see
> some now claiming 2 ms or 5 ms response times in the specs. But a 60 Hz
> refresh rate is almost 17 ms. How does this work?
>
> Chuck Norcutt
>
> Ian Manners wrote:
> > Just to let you all know that the 'refresh rate' of LCD's is not as
> > important as with CRT displays.
> >
> > Why ?
> >
> > Persistance.
> >
> > CRT's have a very low persistance which is why flickering is
> > more evident than on LCD screens, which hold the switch
> > voltage a lot longer.
> >
> > Cheers
> > Ian Manners
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