Electrodeless fluorescent light source
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United States of America Patent
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-
Jan 24, 1984
Grant Date -
N/A
app pub date -
Oct 1, 1981
filing date -
Oct 1, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrodeless fluorescent light source including an electrodeless lamp containing a metal iodide or iodine. A fluorescing material is disposed between the electrodeless lamp and an outer envelope. When the contents of the electrodeless lamp are excited by high frequency power, excited iodine atoms emit ultraviolet radiation. The ultraviolet radiation impinges on the fluorescing material causing it to emit visible light. The fluorescing material may be a solid phosphor material on the outer surface of the electrodeless lamp, a solid phosphor material on the inner surface of the outer envelope, a gaseous phosphor material in the space between the electrodeless lamp and the outer envelope, or some combination thereof.
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