Method for unlocking screen by using fingerprint and terminal
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United States of America Patent
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Jun 30, 2015
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Jun 30, 2015
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Abstract
A method for unlocking a screen by using a fingerprint includes: sending, by a fingerprint sensor, a first notification to a control chip and concurrently sending a second notification to a display driver chip of a screen when detecting that a finger presses or touches a fingerprint recognition area; completing, by the display driver chip according to the second notification, preparation work before the screen is turned on; verifying, by the control chip according to the first notification, fingerprint information collected by the fingerprint sensor and pre-stored fingerprint information; and if the verification succeeds, unlocking the screen and turning on the screen.
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