BACKLIGHT DRIVING SYSTEM
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2010
app pub date -
Jun 4, 2009
filing date -
Feb 20, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A backlight driving system comprises a backlight driving circuit and a brightness regulation circuit. The brightness regulation circuit comprises a first regulation circuit to generate a first brightness regulation signal, a second regulation circuit to generate a second brightness regulation signal, a signal regulation circuit to combine the first and second brightness regulation signals into a combined brightness regulation signal according to a mode selection signal, and a driving control circuit to control the power delivered to the backlight from the backlight driving circuit according to the combined brightness regulation signal.
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