Inverter and liquid crystal display including inverter
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United States of America Patent
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Nov 4, 2008
Grant Date -
Dec 9, 2004
app pub date -
May 21, 2004
filing date -
May 23, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An inverter is provided, which includes: a voltage converter that converts a DC voltage from an external device into an AC voltage to drive at least a lamp and includes a primary coil and first and second secondary coils connected in series; a current sensor that senses at least a current flowing in the first or second secondary coil and generate at least a sensing signal based on the sensed at least a current; a feedback signal generator that generates a feedback signal based on the at least a sensing signal from the current sensor; and a controller that controls the voltage converter based on the feedback signal such that a tube current flowing in the at least a lamp keeps substantially constant.
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