BACKLIGHT MODULE, METHOD FOR DRIVING SAME AND DISPLAY DEVICE USING SAME
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Dec 21, 2012
filing date -
Dec 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A display device includes a power rectifying unit for rectifying alternating power, a power factor correction unit correcting the power factor of the alternating power and outputting a power factor corrected voltage containing a direct current voltage component having at least a predetermined size, a display module driven by the power factor corrected voltage, a backlight unit, and a driving unit supplying the main driving voltage to a backlight unit, receiving the power factor corrected voltage when the size of the rectified voltage is smaller than a preset threshold value to generate a supplementary driving voltage.
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