long-persistence screen

long-persistence screen

[′lȯŋ pər‚sis·təns ′skrēn]
(electronics)
A fluorescent screen containing phosphorescent compounds that increase the decay time, so a pattern may be seen for several seconds after it is produced by the electron beam.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.