Filament lamp
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United States of America Patent
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Aug 24, 2010
Grant Date -
Oct 1, 2009
app pub date -
Mar 12, 2009
filing date -
Mar 27, 2008
priority date (Note) -
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Abstract
To provide a filament lamp having a plurality of filaments disposed in sequence in the axial direction of a light-emitting lamp tube which is configured so as not to shield emitted light from a center filament, internal leads for two filaments disposed proximate hermetically sealed parts at both ends are connected to metal foils in the same hermetically sealed part.
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