Fingerprint detection method and device and mobile terminal
A fingerprint detection and fingerprint template technology, which is applied in the direction of acquiring/arranging fingerprints/palmprints, character and pattern recognition, instruments, etc., can solve the problems of children's vision impact, adult users' eye discomfort, battery capacity consumption, etc., to improve user experience sense, improve the effect of battery life
Active Publication Date: 2017-06-20
TP-LINK
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Problems solved by technology
We often encounter the following scenarios in life. Younger children, especially children aged 1 to 3, play with mobile phones at night when the lights are turned off. When they accidentally click or touch the fingerprint sensor, the screen will be lit up, which not only causes In addition to the consumption of battery capacity, what is more serious is that the eyes of children who are in the sensitive period of vision development are relatively fragile. In the environment where the lights are turned off, the strong light emitted by the screen is likely to affect the eyesight of children; not only children , the strong light caused by adult users accidentally touching the fingerprint sensor of the mobile device in a dark state will also cause discomfort to the eyes of adult users, reducing the user experience
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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0039] Embodiment 1 provided by a fingerprint detection method of the present invention, see figure 1 with figure 2 , figure 1 is a schematic diagram of the steps of this embodiment, figure 2 It is a block flow diagram of the present embodiment; the present embodiment comprises steps:
[0040] S1. When the screen is in the off-screen state, when the fingerprint sensor is detected to be touched, the area and pressure value of the contact object touching the fin...
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The invention discloses a fingerprint detection method, comprising: in a screen-off state, obtaining an area and a pressure value of contact of a contact object when detecting that a fingerprint sensor is touched; transmitting, by a fingerprint sensor, a press signal to a control unit to enable a light sensing unit to obtain ambient light intensity when determining that the area does not exceed a preset standard area and the pressure value exceeds a preset pressure standard; transmitting, by the light sensing unit, a dim high signal to the control unit to keep the screen in the off state if the ambient light intensity is not greater than a preset threshold; and transmitting, by the light sensing unit, a hard high signal to the control unit to light up the screen if the ambient light intensity is greater than the preset threshold. Correspondingly, the invention also provides a fingerprint detection device and a mobile terminal. According to the invention, the harm to the vision of human eyes due to that the screen is lighted up by accidental touch in dark can be effectively prevented with extended battery life and enhanced user experience.
Description
technical field [0001] The present invention relates to the technical field of mobile terminals, in particular to a fingerprint detection method and device and a mobile terminal. Background technique [0002] Nowadays, the fingerprint sensor has basically become the standard configuration of smart terminals. Many manufacturers' smart terminals design the fingerprint sensor and the HOME button together. When the screen is off, the screen will light up when the user touches the fingerprint sensor. We often encounter the following scenarios in life. Younger children, especially children aged 1 to 3, play with mobile phones at night when the lights are turned off. When they accidentally click or touch the fingerprint sensor, the screen will be lit up, which not only causes In addition to the consumption of battery capacity, what is more serious is that the eyes of children who are in the sensitive period of vision development are relatively fragile. In the environment where the ...
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Login to View More IPC IPC(8): G06F3/0481G06F3/0484G06F3/0487G06K9/00
CPCG06F3/0481G06F3/04847G06F3/0487G06V40/1306
Inventor 李成钢
Owner TP-LINK