DIMMABLE LED LUMINAIRE
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United States of America Patent
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-
N/A
Issued Date -
Nov 4, 2010
app pub date -
Apr 29, 2010
filing date -
Apr 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A luminaire includes an Edison type electrical base, an optic, and a heat sink disposed between the base and the optic. An LED driver circuit is disposed at least partially within the heat sink, and is disposed in electrical communication with the base. An LED assembly is disposed in thermal communication with a surface of the heat sink, and in electrical communication with the driver circuit, the LED assembly includes an LED. The driver circuit includes circuitry that converts an AC signal at the base to a DC signal and provides the DC signal to the LED assembly, the circuitry includes holding current circuitry that produces a holding current for an electrical dimmer disposed upstream of the base in response to a current to the LED assembly being reduced for light dimming purposes.
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