Fluorescent device with quantum contained particle screen
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United States of America Patent
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Aug 15, 1995
Grant Date -
N/A
app pub date -
May 4, 1993
filing date -
May 4, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fluorescent device, such as a fluorescent light or a CRT, is formed with a fluorescent screen including an optically transparent supporting substrate and a fluorescent layer deposited on the substrate. The fluorescent layer contains a plurality of particles each quantum confined by a size, generally below 100 .ANG. dictated by a specific desired color of emitted light. Approximately 50 .ANG. provides yellow light with larger particles moving toward red and smaller particles moving toward blue. A source of fluorescent stimulation, generally including electron bombardment or ultraviolet light, is mounted in spaced relation to the screen.
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