Distributed architecture voltage controlled backlight driver
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United States of America Patent
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Feb 19, 2013
Issued Date -
N/A
app pub date -
Oct 1, 2010
filing date -
Oct 1, 2009
priority date (Note) -
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Abstract
A backlight system for light emitting diodes (LEDs), the backlight system constituted of: a controllable power source; a plurality of LED based luminaires arranged to receive power in parallel from the controllable power source; a plurality of driving circuitries, each of the plurality of driving circuitries arranged to control the light output of at least two of the plurality of LED based luminaires and further arranged to output information regarding the voltage drop of at least one of the at least two LED based luminaires controlled thereby, wherein the controllable power source is arranged to output a voltage whose value is responsive to the output information.
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