Philips 200WP7 User Manual page 99

Glossary
Downloaded from ManualMonitor.com Manuals
file:///D|/EDFU/LCD/200WP7/manual/ENGLISH/200WP7/GLOSSARY/glossary.htm (5 of 9)2006-08-04 11:03:25 AM
composed thousands of pixels which can be turned on or off with electrical stimulation. Thus,
colorful images/texts can be generated.
Liquid crystal
The compound found in liquid crystal displays. Liquid crystal reacts predictably when electrically
stimulated. This makes it the ideal compound to turn LCD pixels "on" or "off." Liquid crystal is
sometimes abbreviated as LC.
Luminance
A measure of the brightness or luminous intensity of light, usually expressed in units of Candelas
per square meter (cd/m2) or foot Lamberts. 1 fL=3.426 cd/m2.
RETURN TO TOP OF THE PAGE
N
Nit
A unit of luminance equal to 1 cd/m2 or 0.292 ftL.
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.