SYSTEM AND A METHOD OF ADAPTIVELY CONTROLLING AN LED BACKLIGHT
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United States of America Patent
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Issued Date -
Jun 27, 2013
app pub date -
Jul 2, 2012
filing date -
Dec 27, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to a system and method of adaptively controlling a light-emitting diode (LED) backlight. A content analyzer analyzes luminance of image data to be displayed on a display panel. An LED current controller controls illumination of the LED backlight via an LED driver according to an analysis result of the content analyzer. The LED current controller over-drives the LED backlight such that a drive current flowing in the LED backlight is above a normal current, when the analysis result of the content analyzer indicates that the luminance of image data is above a predetermined value.
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