on 8/10/03 3:40 PM, Laurence TeknoLiber at [EMAIL PROTECTED] wrote:

>> From: [EMAIL PROTECTED]
> 
>> I noticed today that the dimensions of my display
>> change when I open and close windows.
>
> If anyone has the explaination to the phenomena I would be
> interested too.


Here's my guess at why it happens:

It takes more electrical current to draw a light pixel onto the screen than
a dark pixel.  A white pixel is all three of the monitor's guns (red, green,
and blue) shooting at full force, a black pixel is all the guns not shooting
at all.

When you open a white or light window, on a black or dark background, the
guns are suddenly using more current.  That means less current is available
to whatever makes the electron beams sweep back and forth and up and down
(some coils I think?) and so the beam can't sweep quite as far, and the
picture shrinks.

You're not losing any pixels, each one is just getting ever so slightly
smaller.

I've seen this on a lot of monitors, and unless your monitor is shrinking a
LOT (like an inch or something) I wouldn't worry about it.  If it annoys you
a lot, well then do start saving for a FP iMac, the pixels on an LCD panel
couldn't move around if they wanted to.

As far as that "rippling" of the picture goes, is there anything electrical
close to that corner of the monitor?  Another monitor or a speaker or a fan
or something?

-John


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