Therefore, when no voltage is applied, the screen is white. The time it takes for the visible glow of a CRT's phosphor to darken after the scanning electron beam is removed. A long persistence means less flicker, but may create smearing when images are in motion. The coating on the inside of CRTs. Phosphor glows when struck with electrons.
Images appear on a CRT by controlled scanning of an electron beam.
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. A page or screen orientation that is taller than it is wide. The number of times per second the screen is refreshed or redrawn. A rate of 60 Hz is equal to 60 times per second.