Lamp with heat-shielding element
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United States of America Patent
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Sep 25, 2018
Grant Date -
Oct 26, 2017
app pub date -
Oct 30, 2015
filing date -
Nov 7, 2014
priority date (Note) -
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Abstract
A lamp has a light emitting element within a sealed transparent vessel. The vessel comprises a cylindrical section with a longitudinal axis L in parallel to a longitudinal axis F of the light emitting element. In order to provide a lamp suited for compact reflectors, a heat shielding element is arranged to shield at least infrared light. The heat shielding element is arranged in parallel to the longitudinal axis F of the light emitting element and has an axial extension of at least 80% of the light emitting element. The heat shielding element is arranged to shield infrared light emitted into directions perpendicular to the longitudinal axis F covering a circumferential extension of 20°-120° measured in cross section.
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