DISPLAY APPARATUS AND POWER SUPPLY METHOD THEREOF
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Sep 12, 2012
filing date -
Nov 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A display apparatus includes a power supply unit which supplies power to the display apparatus, a secondary battery which is charged from the supplied power, a backlight driving unit which drives a backlight of the display apparatus using at least one of the power of the power supply unit and the power charged in the secondary battery, A control unit controls power supplied to the backlight and a charging operation of the secondary battery based on a predetermined power consumption level. The secondary battery charges when there is power left over, and discharges to brighten the backlight when a power level demanded exceeds the predetermined power consumption level.
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