Afterglow lamp with multiple phosphor coatings
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United States of America Patent
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-
Nov 12, 2002
Grant Date -
N/A
app pub date -
Apr 28, 2000
filing date -
Oct 31, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Improved lamp of the type comprising the crystal bulb of an incandescent lamp or the crystal tube of a fluorescent lamp or preferably of the type comprised of a tube-shaped fluorescent lamp, characterized in that the structure of the tube itself forms a support for a luminescent product arranged as a coating which captures the light proceeding from a source and generated by the lamp itself thereby enabling it to emit its own light after the excitation has stopped thereby providing a self-contained lighting element.
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Cited Art Landscape
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