MULTIFUNCTIONAL EMERGENCY LIGHTING DEVICE
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United States of America Patent
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Issued Date -
Apr 12, 2012
app pub date -
Oct 5, 2011
filing date -
Oct 12, 2010
priority date (Note) -
Abandoned
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Abstract
A multifunctional emergency lighting device includes at least one base formed of a heat sink, at least one LED lighting module, at least one emergency LED lighting module, a power control circuit, and at least one backup power supply device. The LED lighting module and the emergency LED lighting module are both mounted in the base. The power control circuit is connected to the LED lighting module and the emergency LED lighting module for converting AC to DC current for charging the backup power supply device and powers the LED lighting module and the emergency LED lighting module. In case of power failure of the electric main, the backup power supply device supplies electrical power to the power control circuit for powering the emergency LED lighting module in order to activate the emergency lighting of the emergency LED lighting module.
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