Re: Display hurtful on LCD screen with Wheezy
On Thu, 20 Sep 2012, Lisi wrote:
> On Tuesday 18 September 2012 22:31:21 Lionel Trésaugues wrote:
> > I am experiencing a physical pain whenever I am in front of my
> > computer running either Debian (Wheezy) or Debian-based distributions
> > (such as Mint LMDE, XFCE or MATE edition). Switching from XFCE to MATE
> > doesn't lead to any improvements .
> >
> > My eyes start to suffer and soon, I can feel that an headache is coming.
> >
> > I don't have this feeling at all when I am running either Ubuntu or
> > any Ubuntu-based distribution (Mint XFCE or Cinnamon edition).
>
> Is there any possibility that more of the ultra-violet end of the spectrum
> might be displaying in the Debian list of distros than in the Ubuntu list?
>
> If so, that could certainly cause the problems that Lionel mentions, but I
> know too little about the colour reproduction involved to know whether it is
> possible. If this could be the case, how could Lionel change it?
LCDs work by blocking the white light from the backlight. If the pannel is
leaking UV, the leak should be worse on bright images (probably those with
brighter red and blue channel values).
But it really should not be leaking any relevant amount of UV in the first
place.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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