shadow mask

noun

: a metal plate in a color cathode-ray tube that contains minute apertures permitting passage of electron beams to specific phosphors on the screen during a scan

Example Sentences

Recent Examples on the Web The Arcade filter leaves off the scanlines and instead adds a shadow mask effect, simulating the RGB phosphors of an arcade monitor. —

Aurich Lawson, Ars Technica, 29 May 2018

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