Light-emitting diode filament lamp
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United States of America Patent
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Aug 10, 2017
app pub date -
Feb 5, 2016
filing date -
Feb 5, 2016
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Abstract
A light-emitting diode filament lamp contains: a lamp cap, a transparent housing, at least one filament support, and at least one light-emitting diode (led) filament. The lamp cap is electrically connected with an external power supply so as to supply power to the at least one led filament, the transparent housing is hollow and includes an opening, and each filament support includes a first metal post electrically connected with a positive terminal and includes a second metal post electrically connected with a negative terminal. Each led filament includes a first electrode pin electrically connected with the first metal post and includes a second electrode pin electrically connected with the second metal post. Any one of graphene, borazon (bn) and thermally conductive ceramic powders is coated on each of the first metal post and the second metal post so as to form a black body radiation layer.
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