Method for controlling light source driving circuit
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United States of America Patent
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Apr 24, 2012
Grant Date -
Dec 29, 2011
app pub date -
Sep 6, 2011
filing date -
Sep 28, 2007
priority date (Note) -
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Abstract
A method for controlling a light source driving circuit is provided. The method includes driving a plurality of serially-connected light sources, and measuring a working parameter of the light sources; shorting the light sources sequentially to find out at least a failed light source, when the working parameter is not measured; and remaining shorting the failed light source, and regulating a brightness of the light sources without having the failed light source according to a newest working parameter.
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