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Glossary
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P
Pixel
PICture Element; the smallest element on a computerized CRT or LCD image, and hence a display.
Polarizer
A light filter which only allows light waves of a certain rotation through. Polarized material with
perpendicular filtering is used in LCDs to enclose the liquid crystal. The liquid crystal is then used
as the medium which twists the light waves 90° in order to allow the light to pass through or not.
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R
Refresh rate
The number of times per second the screen is refreshed or redrawn. This number is usually stated
in Hz (Hertz) or cycles per second. A rate of 60 Hz is equal to 60 tomes per second.
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S
sRGB
sRGB is a standard for ensuring correct exchange of colors between different devices (e.g. digital
cameras, monitors, printers, scanners, etc.)
Using a standard unified color space, sRGB will help represent pictures taken by an sRGB
compatible device correctly on your sRGB enabled Philips monitors. In that way, the colors are
calibrated and you can rely on the correctness of the colors shown on your screen.
Important with the use of sRGB is that the brightness and contrast of your monitor is fixed to a
file:///D|/My%20Documents/dfu/A5_new/ENGLISH/150S6/glossary/glossary.htm (6 of 10)2005-06-07 4:49:46 PM
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