ELECTRONIC DEVICE AND METHOD FOR ADJUSTING BRIGHTNESS OF DISPLAY SCREEN
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United States of America Patent
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Issued Date -
Mar 3, 2016
app pub date -
May 13, 2015
filing date -
Sep 3, 2014
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Abstract
In a display screen brightness adjustment method, vision information of a user is obtained. A nearest distance, a longest distance, and an optimal distance between the user and the display screen are determined. An actual distance between the user and the display screen is detected. The actual distance is compared to the nearest distance, the longest distance, and the optimal distance. Then a brightness value of the display screen is calculated. Accordingly, brightness of the display screen is adjusted.
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