Philips 221E1HSB/05 Electronic User's Manual page 76

Glossary
file:///E|/Change/Philips/221E CD MANUAL/lcd/manual/ENGLISH/221E/glossary/glossary.htm（第 5／9 页）2008-12-6 14:59:54
I
IPS (In Plane Switching)
A technique of improving the viewing angle of an LCD where the liquid crystal molecules are
switched in the plane of the LCD layer rather than vertical to it.
L
LCD (liquid crystal display)
A display composed of liquid crystal suspended between two transparent sheets. The display is
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.
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