POV-Ray : Newsgroups : povray.off-topic : Displaced colors on flatscreen monitors on display in the store. : Re: Displaced colors on flatscreen monitors on display in the store. Server Time
11 Oct 2024 05:21:23 EDT (-0400)
  Re: Displaced colors on flatscreen monitors on display in the store.  
From: scott
Date: 7 Dec 2007 06:56:11
Message: <475934db$1@news.povray.org>
>I spent 5 minutes shopping for flatscreen monitors at a large electronics
> store.  About 8 monitors where showing the same ad, which was a mixture of
> still photos, vector based text, and movies.
>
> Funny thing is that many of them seemed to be suffering from a color
> displacement: it looked like the reds were 2 mm off, at least when showing
> some stills.
>
> Should I avoid such a brand where this happens EVER, or could it be an
> electronic artifact in how an error in color shift occurs because of
> sharing or splitting the output too many times?

2 mm off is certainly at least 5 or 6 pixels, probably nearer 10.  There is 
no way this could be possible inside the monitor, it would need to have 
additional circuitry to delay one colour channel a significant amount of 
time compared to the other channels.  You can get sub-pixel alignment 
problems if you are feeding it with an analog signal, but that just makes 
stuff look blurry (all colours are shifted) and can be easily fixed with the 
"auto" option on most monitors.  Feeding it via DVI digital doesn't have 
this problem.

I would say it's just the result of very crappy analog source and splitters 
being used...  Go to a different store!


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