- Types:
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LCD, liquid crystal display
a digital display that uses liquid crystal cells that change reflectivity in an applied electric field; used for portable computer displays and watches etc.
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active matrix screen
a type of LCD screen used for some portable computers; there is a separate circuit for each pixel
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passive matrix display
a type of LCD display used for some portable computers; parallel wires run both vertically and horizontally and pixels are turned on when the wires intersecting at that pixel are both energized
