And what s about http://www.neroogle.us/ ? the dark side of Google....

[Romain Gros]

Ok all is clear now !
Thanks everybody !
:-)
On Thu, Feb 14, 2008 at 7:06 PM, Joost Schuttelaar <
joost at joostschuttelaar.nl> wrote:

> On Feb 14, 2008, at 18:53 , Romain Gros wrote:
>
> > Do you think dark background can save some life-time  or Am I on the
> > wrong way ?
>
>
> No. You have to consider how TFT displays work.
>
> Basically you have a big backlight (CCFL or LED) which is always on.
> The level at which this shines determines the overal brightness of the
> screen.
>
> The LCD crystals can let a certain amount of backlight through.
> Depending on the panel, when they are supplied with voltage, they let
> the light through, or they let no light through.
>
> The amount of energy used by this switching is much smaller than used
> by the backlight. So, whether you use a black or a white background
> has no big effect on energy use.
>
> Shutting down or letting the CCFL shine at a lower level does lower
> energy use.
>
> CCFL's do degrade with use... so to conserve your laptop screen it's
> smart to let the CCFL shut off when you're not using the laptop. LED
> backlights apparently don't degrade in time, so then this is not
> necessary.
>
> --
>
> Joost Schuttelaar
> The Hague, NL
>
>
>
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>



-- 
Romain Gros
rXg
Check out :
www.fractales12.com
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