ELECTRONIC DEVICE AND METHOD FOR UNLOCKING TOUCH SCREEN
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United States of America Patent
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May 5, 2016
app pub date -
May 4, 2015
filing date -
Oct 29, 2014
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Abstract
An unlocking method for a touch screen of an electronic device includes activating a color sensor of the electronic device when the touch screen of a locked electronic device is activated. RGB values of ambient light sensed by a color sensor are calculated, the calculated RGB values are changed into secondary RGB values, display a background of the touch screen with a color resolution defined by the calculated RGB values; and display an interface elements on the touch screen according to the secondary RGB values; wherein differences between the calculated RGB values and the secondary RGB values cause a visual contrast between the displayed background and the displayed interface elements.
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