Glossary
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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Nit
A unit of luminance equal to 1 cd/m2 or 0.292 ftL.
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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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