Liquid crystal display device, backlight control method and program
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United States of America Patent
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Apr 23, 2013
Grant Date -
Dec 9, 2010
app pub date -
Apr 29, 2010
filing date -
Jun 3, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid crystal display device includes an input and output display unit which includes a touch panel function; a backlight which emits light to the input and output display unit from a rear surface thereof; a comparison processing unit which compares a sensor output of a sensor which detects the light emitted from the backlight and reflected from a manipulation object on the input and output display unit with a predetermined reference value; and a backlight luminance adjusting unit which receives a comparison result of the comparison processing unit and adjusts luminance of the backlight so that the sensor output is close to a predetermined allowable lower limit output value.
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