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Posted by Jeff Rife on 04/14/06 04:22
~P~ (bmxtrix2005@cox.net) wrote in alt.tv.tech.hdtv:
> When a pixel is told to show up as 'light pink' it
> does not fade out, change, or do anything else until such time as it is told
> to go to a new state.
And, it is the "telling it to go to a new state" that generates the
artifacts. They aren't very visible in a static image (because there
is no real change), but they do exist with changing pixels.
> They are all put up as quickly as physically
> possible by the LCD panel. 1/5000th of a second - 1/10,000 of a second.
And, once again, you show your complete lack of knowledge. It takes
close to 1/30th of a second to change most LCD pixels. The fact that
this is *more* time than the refresh rate of 1/60th of a second is why
the artifacts are smearing instead of strobing. A CRT with such a slow
decay rate for its phosphor will have the same effect.
If LCDs ever get really, really fast, then you'll start to see some
strobing artifacts, because despite your squawking to the contrary,
the entire display is *not* refreshed at the same time. This is also
why a 24Hz refresh would start to show strobing and flicker on an LCD:
because the pixel decay time would finally be below the refresh rate.
--
Jeff Rife |
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