Reconfigurable LED array and use in lighting system
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United States of America Patent
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May 3, 2011
Grant Date -
Sep 16, 2010
app pub date -
Jul 17, 2009
filing date -
Jul 17, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A light-emitting device capable of being powered by an AC power supply or an unregulated DC power supply is disclosed. The light-emitting device, in an aspect, is coupled to a controller, a light-emitting diode (“LED”) array, and a power supply, wherein the power supply can be an AC power source or an unregulated DC power source. While the power supply provides electrical power, the controller generates various LED control signals in response to power fluctuation of the electrical power. The LED array allows at least a portion of LEDs to be activated in accordance with the logic states of the LED control signals.
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