WO2017000251A1 - 一种指纹解锁屏幕的方法和终端 - Google Patents

一种指纹解锁屏幕的方法和终端 Download PDF

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Publication number
WO2017000251A1
WO2017000251A1 PCT/CN2015/082890 CN2015082890W WO2017000251A1 WO 2017000251 A1 WO2017000251 A1 WO 2017000251A1 CN 2015082890 W CN2015082890 W CN 2015082890W WO 2017000251 A1 WO2017000251 A1 WO 2017000251A1
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Prior art keywords
screen
fingerprint
notification
control chip
fingerprint sensor
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PCT/CN2015/082890
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English (en)
French (fr)
Inventor
李丹洪
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to US15/511,280 priority Critical patent/US10628569B2/en
Priority to EP19200768.0A priority patent/EP3657367B1/en
Priority to PCT/CN2015/082890 priority patent/WO2017000251A1/zh
Priority to CN201580016909.9A priority patent/CN106663156B/zh
Priority to EP15896782.8A priority patent/EP3185163B1/en
Priority to ES15896782T priority patent/ES2756450T3/es
Publication of WO2017000251A1 publication Critical patent/WO2017000251A1/zh
Priority to US16/844,418 priority patent/US11151237B2/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/60—Static or dynamic means for assisting the user to position a body part for biometric acquisition
    • G06V40/67—Static or dynamic means for assisting the user to position a body part for biometric acquisition by interactive indications to the user

Definitions

  • Embodiments of the present invention relate to the field of fingerprint identification, and in particular, to a method and a terminal for unlocking a screen by a pre-fingerprint.
  • Fingerprint recognition technology has been widely used. We can not only see fingerprint recognition technology in the access control and attendance systems, but also more fingerprint recognition applications in the market: such as laptops, mobile phones, automobiles, and bank payments. In particular, with the continuous development of smart phones, there will be a large number of requirements related to fingerprint recognition, such as using fingerprint recognition to unlock mobile phones, protecting private information, and ensuring transaction security.
  • the embodiment of the invention provides a method for unlocking a screen by a fingerprint, a device for unlocking a screen by a fingerprint, and a terminal, which can shorten the time for the fingerprint to unlock the screen and improve the fingerprint unlocking experience of the user.
  • a method for unlocking a screen by a fingerprint comprising: detecting, by a fingerprint sensor, a finger pressing or contacting a fingerprint identification area, transmitting a first notification to a control chip, and transmitting a second notification to a display driving chip of the screen in parallel
  • the display driver chip completes the preparation work before the screen is illuminated according to the second notification; the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; if the verification is passed, the device is unlocked
  • the screen lights up the screen.
  • the preparation of the display driving chip before the lighting of the screen is completed according to the second notification comprises: the display driving chip is finished lighting according to the second notification Power-on, reset, and initialization registers in front of this screen.
  • the second possible implementation in the first aspect further includes: if the verification fails, the screen is not unlocked and the screen is not lit.
  • the method further includes: alerting the user that the verification fails by vibrating.
  • control chip is specifically a central processing unit CPU of the terminal;
  • the terminal includes the fingerprint sensor.
  • a terminal in a second aspect, includes: a fingerprint sensor, a control chip, and a screen; the fingerprint sensor detects a finger pressing or contacting the fingerprint identification area, sends a first notification to the control chip, and sends a second notification to the second
  • the display driving chip of the screen the display driving chip completes the preparation work before the screen is illuminated according to the second notification; the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; If the verification is passed, the screen is unlocked and the screen is illuminated.
  • the preparation of the display driving chip before the lighting of the screen is completed according to the second notification comprises: the display driving chip is finished lighting according to the second notification Power-on, reset, and initialization registers in front of this screen.
  • the screen is not unlocked and the screen is not illuminated.
  • the user is prompted to verify that the verification fails.
  • control chip is specifically a central processing unit CPU of the terminal.
  • a third aspect provides a method for unlocking a screen by a fingerprint, the method comprising: detecting, by a fingerprint sensor, a finger pressing or contacting a fingerprint identification area, transmitting a first notification to a control chip, and transmitting a second notification to a display driving chip of the screen in parallel;
  • the display driver chip illuminates the screen according to the second notification;
  • the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; if the verification is passed, the screen is unlocked.
  • a terminal includes: a fingerprint sensor, a control chip, and a screen; the fingerprint sensor detects a finger pressing or contacting the fingerprint identification area, sends a first notification to the control chip, and sends a second notification to the second a display driving chip of the screen; the display driving chip is according to the second The notification illuminates the screen; the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; if the verification passes, the screen is unlocked.
  • a computer readable storage medium storing one or more programs
  • the one or more programs comprising instructions that, when executed by a portable electronic device including a display and a plurality of applications, enable the portable
  • the electronic device performs a method according to the first aspect to a possible implementation of any of the fourth possible implementations of the first aspect, wherein the display comprises a touch-sensitive surface and a display screen.
  • a computer readable storage medium storing one or more programs
  • the one or more programs comprising instructions that, when executed by a portable electronic device including a display and a plurality of applications
  • the electronic device performs the method provided in accordance with the third aspect, wherein the display comprises a touch-sensitive surface and a display screen.
  • a fingerprint unlocking method detects a finger pressing or contacting a fingerprint identification area by a fingerprint sensor, sends a first notification to the control chip, and sends a second notification to the display driving chip of the screen in parallel.
  • the display driver chip completes the preparation work before the screen is illuminated according to the second notification; the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; if the verification is passed, the device is unlocked
  • the screen and the screen are illuminated, which can shorten the time for the fingerprint to unlock the screen and enhance the user's fingerprint unlocking experience.
  • 1A is a schematic diagram showing the position of a fingerprint sensor in a terminal
  • FIG. 1B is a schematic diagram of still another position of the fingerprint sensor in the terminal.
  • FIG. 2 is a schematic diagram of a method for unlocking a fingerprint according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another method for unlocking a fingerprint according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of still another terminal according to an embodiment of the present invention.
  • the terminals mentioned in the embodiments of the present invention include, but are not limited to, a smart phone, a notebook computer, a tablet computer, a wearable device, an access control device, and the like, which may include a fingerprint identification sensor.
  • a method for unlocking a fingerprint screen provided by an embodiment of the present invention is described below by using a smart phone as an example.
  • the fingerprint identification module has become the standard for smart phones, such as Apple's iphone6 and iphone6plus, and Huawei's Mate7 mobile phone.
  • the user can unlock the mobile phone through the fingerprint, and can also complete the online shopping through the fingerprint, which has great practical value.
  • the fingerprint recognition module is also called a fingerprint recognizer, including a fingerprint sensor and a control chip.
  • the fingerprint sensor is used to collect fingerprint information of the user.
  • the control chip is mainly used for comparing the fingerprint information detected by the fingerprint sensor with the fingerprint information pre-stored by the user to complete the fingerprint verification.
  • the control chip industry may be the main control chip of the fingerprint identifier, or may directly adopt the CPU (Central Processing Unit, CPU for short) of the terminal as the control chip.
  • CPU Central Processing Unit
  • the fingerprint sensor 102 can be located below the front screen 101 of the mobile phone 100, as shown in FIG. 1A; the fingerprint sensor 112 can also be located below the rear camera 111 of the mobile phone 110, as shown in FIG. 1B, or on the side of the mobile phone.
  • the fingerprint sensor when it is located on the side of the mobile phone, it can be combined with the power supply.
  • Embodiment 1 When the user uses the terminal configured with the fingerprint identification module, the user needs to press or touch the fingerprint sensor with the finger, and the fingerprint sensor collects the fingerprint information of the user for fingerprint verification. If the verification passes, the display driver chip of the notification screen is notified. Bright screen. Since the process of unlocking the screen includes two processes of fingerprint verification and lighting the screen, it takes a long time to unlock the screen in this way.
  • Embodiment 1
  • FIG. 2 is a schematic diagram of a method for unlocking a fingerprint according to an embodiment of the present invention. include:
  • the fingerprint sensor detects that the finger presses or touches the fingerprint recognition area, sends a first notification to the control chip, and sends a second notification to the display driving chip of the screen in parallel.
  • the fingerprint sensor mainly includes an optical fingerprint sensor and a semiconductor fingerprint sensor.
  • the semiconductor fingerprint sensor includes a capacitive fingerprint sensor and an inductive fingerprint sensor.
  • a commonly used sensor on a smart terminal is a capacitive fingerprint sensor.
  • Fingerprint sensors on smart terminals mainly include push-type fingerprint sensors, such as Apple's iPhone6; and contact fingerprint sensors, such as Huawei's Mate7. They are all capacitive fingerprint sensors.
  • the fingerprint sensor when the user's finger presses or touches the fingerprint recognition area of the fingerprint sensor, the capacitance of the fingerprint sensor changes, and the fingerprint sensor sends two notifications in parallel.
  • the fingerprint sensor sends a first notification to the control chip, and sends a second notification to the display driver chip of the screen in parallel.
  • the fingerprint sensor can send the second notification to the lock screen application, and the lock screen application notifies the display driver chip to complete the preparation work before the screen is lit.
  • the first notification may be a notification of a change in capacitance, or may be a notification that the fingerprint information is collected;
  • the second notification may be a notification of a change in capacitance, or a notification that the fingerprint information is collected.
  • the fingerprint sensor sends two notifications in parallel, so that the preparation work before the display driver chip lights the screen and the fingerprint verification process are performed in parallel, which can save the total fingerprint unlocking time.
  • S202 The display driver chip completes the preparation work before the screen is illuminated according to the second notification.
  • the display driver chip To light up the screen, the display driver chip needs to complete the preparation work such as power-on, before adjusting the screen backlight (Backlight) to light the screen.
  • the display driver chip is mainly used to control and drive the display of the screen.
  • S203 The control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification.
  • the user can record his fingerprint information into the terminal including the fingerprint sensor in advance.
  • the fingerprint sensor collects the fingerprint information of the user, and then the control chip can compare the fingerprint information of the user collected by the fingerprint sensor with the fingerprint information pre-stored by the terminal to perform fingerprint verification.
  • the unlock screen and the lit screen can be regarded as two separate processes, and the order of the two is not limited.
  • the preparation work before lighting the screen takes about 400ms, about 10mA of power consumption is required, and the screen is lit.
  • the backlight takes 30ms but requires 200mA. It can be seen that the preparation work before the display driver chip lights the screen and the fingerprint verification process are performed in parallel, which can save the total fingerprint unlocking screen time.
  • the preparation work of the display driving chip before the lighting of the screen is completed according to the second notification comprises: preparing, for example, powering on, resetting, and initializing the register by the display driving chip.
  • the screen is not unlocked and the screen is not lit.
  • the user is alerted by vibration. You can also use the LED light to flash the way to remind the user.
  • the control chip is specifically a central processing unit CPU of the terminal; the terminal includes the fingerprint sensor. Since the CPU of the smart terminal is becoming more and more powerful, the fingerprint verification can be completely completed by the terminal CPU, so most manufacturers mainly use the CPU of the terminal as the chip for controlling the fingerprint sensor.
  • the control chip is used to compare the fingerprint information detected by the fingerprint sensor with the fingerprint information pre-stored by the user to complete the fingerprint verification.
  • the CPU of the terminal can be single core or multi-core.
  • the control chip can also be the main control chip of the fingerprint identification module.
  • the master chip can be a chip that is independent of the CPU of the terminal.
  • An embodiment of the present invention provides a method for unlocking a screen by a fingerprint.
  • the fingerprint sensor detects a finger pressing or touching a fingerprint recognition area, sends a first notification to the control chip, and sends a second notification to the display driving chip of the screen in parallel; the display driving chip Preparing the light before the screen is completed according to the second notification; the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; if the verification is passed, the screen is unlocked and the light is turned on The screen can shorten the time for the fingerprint to unlock the screen and enhance the user's fingerprint unlocking experience.
  • FIG. 3 shows a terminal according to an embodiment of the present invention.
  • the terminal includes: a fingerprint sensor 302, a control chip 301, and a screen 303.
  • the fingerprint sensor 302 detects a finger press or contacts a fingerprint identification area, and sends a first notification to the control.
  • the chip 301 sends a second notification to the display driving chip of the screen 303 in parallel; the display driving chip completes the preparation work before the lighting screen 303 is completed according to the second notification; and the control chip 301 verifies the fingerprint collected by the fingerprint sensor 302 according to the first notification.
  • the information and the pre-stored fingerprint information if the verification is passed, the screen 303 is unlocked and the screen 303 is illuminated.
  • the preparation work before lighting the screen takes about 400ms, about 10mA of power consumption is required, and the screen is lit.
  • the backlight takes 30ms but requires 200mA. It can be seen that the preparation work before the display driver chip lights the screen and the fingerprint verification process are performed in parallel, which can save the total fingerprint unlocking screen time.
  • the preparation work of the display driving chip before the lighting of the screen is completed according to the second notification comprises: preparing, for example, powering on, resetting, and initializing the register by the display driving chip.
  • the screen is not unlocked and the screen is not lit.
  • the user is alerted by vibration. You can also use the LED light to flash the way to remind the user.
  • control chip is specifically a central processing unit CPU of the terminal. Since the CPU of the smart terminal is becoming more and more powerful, the fingerprint verification can be completely completed by the terminal CPU, so most manufacturers mainly use the CPU of the terminal as the chip for controlling the fingerprint sensor.
  • the control chip is used to compare the fingerprint information detected by the fingerprint sensor with the fingerprint information pre-stored by the user to complete the fingerprint verification.
  • the CPU of the terminal can be single core or multi-core.
  • the control chip can also be the main control chip of the fingerprint identification module.
  • the master chip can be a chip that is independent of the CPU of the terminal.
  • An embodiment of the present invention provides a terminal, where the terminal includes: a fingerprint sensor, a control chip, and a screen; the fingerprint sensor detects a finger pressing or touching the fingerprint identification area, sends a first notification to the control chip, and sends a second notification to the second
  • the display driving chip of the screen the display driving chip completes the preparation work before the screen is illuminated according to the second notification; the control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification; If the verification is passed, the screen is unlocked and the screen is illuminated. It can shorten the time for the fingerprint to unlock the screen and enhance the user's fingerprint unlocking experience.
  • Embodiment 3 Embodiment 3
  • FIG. 4 shows another method for unlocking a fingerprint screen according to an embodiment of the present invention, the method comprising:
  • the fingerprint sensor detects that the finger presses or touches the fingerprint recognition area, sends a first notification to the control chip, and sends a second notification to the display driving chip of the screen in parallel.
  • S402 The display driver chip lights the screen according to the second notification.
  • S403 The control chip verifies the fingerprint information collected by the fingerprint sensor and the pre-stored fingerprint information according to the first notification.
  • control chip is specifically a central processing unit CPU of the terminal; the terminal includes the fingerprint sensor.
  • the control chip can also be the main control chip of the fingerprint identification module.
  • the method for unlocking the screen by the fingerprint provided by the embodiment of the invention can shorten the time for the fingerprint to unlock the screen and improve the fingerprint unlocking experience of the user.
  • FIG. 5 is still another terminal provided by the embodiment of the present invention.
  • the terminal includes: a fingerprint sensor 502, a control chip 501, and a screen 503.
  • the fingerprint sensor 502 detects that a finger presses or touches the fingerprint identification area, and sends a first notification to the control chip 501.
  • the time for the fingerprint to unlock the screen can be shortened, and the fingerprint unlocking experience of the user is improved.
  • Embodiments of the present invention also provide a computer readable storage medium storing one or more programs, the one or more programs including instructions that, when executed by a portable electronic device including a display and a plurality of applications
  • the portable electronic device performs the method of any of embodiments 1 and 3, wherein the display comprises a touch-sensitive surface and a display screen.
  • the computer readable storage medium provided by the embodiment of the invention can shorten the time for the fingerprint to unlock the screen and improve the fingerprint unlocking experience of the user.

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Abstract

一种指纹解锁屏幕的方法和终端。该方法包括：指纹传感器（302）检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片（301），并行发送第二通知给屏幕（303）的显示驱动芯片；该显示驱动芯片根据该第二通知完成点亮该屏幕（303）前的准备工作；该控制芯片（301）根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕并且点亮该屏幕（303）。通过该方法，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。

Description

一种指纹解锁屏幕的方法和终端 技术领域
本发明实施例涉及指纹识别领域，尤其涉及一种预指纹解锁屏幕的方法和终端。
背景技术
指纹和掌纹等识别技术是目前最成熟且价格便宜的生物特征识别技术。指纹识别技术已得到广泛应用。我们不仅在门禁、考勤系统中可以看到指纹识别技术的身影，市场上还有更多指纹识别的应用：如笔记本电脑、手机、汽车、银行支付都可应用指纹识别的技术。特别是随着智能手机的不断发展，将出现大量与指纹识别相关的需求，例如利用指纹识别解锁手机、保护隐私信息、保证交易安全等。
现在的智能终端大多配置有指纹识别模块，要解锁屏幕，一般用户需要先通过电源键或者Home键点亮屏幕，之后通过指纹识别模块进行指纹验证，验证通过则解锁屏幕。但是这种解锁屏幕的方式耗时较长。
发明内容
本发明实施例提供了一种指纹解锁屏幕的方法、指纹解锁屏幕的装置和终端，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。
第一方面，提供了一种指纹解锁屏幕的方法，所述方法包括：指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片；该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕并且点亮该屏幕。
结合第一方面，在第一方面第一种可能的实现方式中，该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作包括：该显示驱动芯片根据该第二通知完成点亮该屏幕前的上电、复位和初始化寄存器。
结合第一方面第一种可能的实现方式，在第一方面第二种可能的实现方式 中，该方法还包括：若验证未通过，则不解锁该屏幕并且不点亮该屏幕。
结合第一方面第二种可能的实现方式，在第一方面第三种可能的实现方式中，该方法还包括：通过震动的方式提醒用户验证未通过。
结合第一方面至第一方面第三种可能的实现方式中的任一种可能的实现方式，在第一方面第四种可能的实现方式中，该控制芯片具体为终端的中央处理器CPU；该终端包括该指纹传感器。
第二方面，提供了一种终端，该终端包括：指纹传感器、控制芯片和屏幕；该指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给该控制芯片，并行发送第二通知给该屏幕的显示驱动芯片；该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕并且点亮该屏幕。
结合第二方面，在第二方面第一种可能的实现方式中，该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作包括：该显示驱动芯片根据该第二通知完成点亮该屏幕前的上电、复位和初始化寄存器。
结合第二方面第一种可能的实现方式，在第二方面第二种可能的实现方式中，若验证未通过，则不解锁该屏幕并且不点亮该屏幕。
结合第二方面第二种可能的实现方式，在第二方面第三种可能的实现方式中，通过震动的方式提醒用户验证未通过。
结合第二方面至第二方面第三种可能的实现方式中的任一种可能的实现方式，在第二方面第四种可能的实现方式中，该控制芯片具体为终端的中央处理器CPU。
第三方面，提供了一种指纹解锁屏幕的方法，该方法包括：指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片；该显示驱动芯片根据该第二通知点亮该屏幕；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕。
第四方面，提供了一种终端，该终端包括：指纹传感器、控制芯片和屏幕；该指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给该控制芯片，并行发送第二通知给该屏幕的显示驱动芯片；该显示驱动芯片根据该第二 通知点亮该屏幕；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕。
第五方面，提供了一种存储一个或多个程序的计算机可读存储介质，该一个或多个程序包括指令，该指令当被包括显示器和多个应用程序的便携式电子设备执行时使该便携式电子设备执行根据第一方面至第一方面第四种可能的实现方式中的任一中可能的实现方式的方法，其中，该显示器包括触敏表面和显示屏幕。
第六方面，提供了一种存储一个或多个程序的计算机可读存储介质，该一个或多个程序包括指令，该指令当被包括显示器和多个应用程序的便携式电子设备执行时使该便携式电子设备执行根据第三方面提供的方法，其中，该显示器包括触敏表面和显示屏幕。
在上述技术方案中，本发明实施例提供的一种指纹解锁方法，通过指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片；该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕并且点亮该屏幕，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1A是指纹传感器在终端中的位置示意图；
图1B是指纹传感器在终端中的又一位置示意图；
图2是本发明实施例提供的一种指纹解锁屏幕的方法示意图；
图3是本发明实施例提供的一种终端的结构示意图；
图4是本发明实施例提供的又一种指纹解锁屏幕的方法示意图；
图5是本发明实施例提供的又一种终端的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
当本发明实施例提及“第一”、“第二”等序数词时，除非根据上下文其确实表达顺序之意，应当理解为仅仅是起区分之用。
本发明实施例提及的终端包括但不限于智能手机、笔记本电脑、平板电脑、可穿戴设备、门禁装置等可以包括指纹识传感器的终端。
下面以智能手机为例介绍本发明实施例提供的一种指纹解锁屏幕的方法。
随着指纹识别技术的发展，指纹识别模块已经成为智能手机的标配，比如苹果公司的iphone6和iphone6plus，以及华为公司的Mate7手机。用户可以通过指纹解锁手机，还可以通过指纹完成网上购物等，具有很大的实用价值。一般而言，指纹识别模块也叫指纹识别器，包括指纹传感器和控制芯片。指纹传感器用于采集用户的指纹信息。控制芯片主要用于将指纹传感器检测到的指纹信息和用户预先存储的指纹信息进行比对，完成指纹验证。控制芯片业可以是指纹识别器的主控芯片，也可以直接采用终端的CPU(Central Processing Unit，中央处理器，简称CPU)作为控制芯片。指纹传感器102可以位于手机100的正面屏幕101的下方，如图1A所示；指纹传感器112也可以位于手机110的背面摄像头111的下方，如图1B所示，也可以位于手机的侧面。可选的，指纹传感器位于手机的侧面时，可以与电源键合二为一。
当用户使用配置了指纹识别模块的终端时，用户要解锁屏幕，首先需要用手指按压或者接触指纹传感器，指纹传感器采集用户的指纹信息进行指纹验证，若验证通过，则通知屏幕的显示驱动芯片点亮屏幕。由于该解锁屏幕的过程包括指纹验证和点亮屏幕两个串行的过程，因此采用这种方式解锁屏幕耗时较长。实施例一
图2给出了本发明实施例提供的一种指纹解锁屏幕的方法示意图，该方法 包括：
S201：指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片。
指纹传感器主要包括光学指纹传感器和半导体指纹传感器。半导体指纹传感器包括电容式指纹传感器和电感式指纹传感器。智能终端上常用的传感器为电容式指纹传感器。智能终端上的指纹传感器主要有按压式指纹传感器，如苹果公司的iPhone6；还包括接触式指纹传感器，如华为公司的Mate7。它们都是电容式指纹传感器。
以电容式指纹传感器为例，当用户手指按压或者接触指纹传感器的指纹识别区域时，指纹传感器的电容会发生变化，指纹传感器会并行发送两个通知。指纹传感器发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片。以Android系统为例，指纹传感器可以将该第二通知发送给锁屏应用，由锁屏应用通知显示驱动芯片完成点亮屏幕前的准备工作。针对电容式指纹传感器，第一通知可以是电容变化的通知，也可以是采集到了指纹信息的通知；第二通知可以是电容变化的通知，也可以是采集到了指纹信息的通知。
指纹传感器并行发送两个通知，目的让显示驱动芯片点亮屏幕前的准备工作和指纹验证过程并行进行，这样能够节省总的指纹解锁屏幕的时间。
S202：该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作。
要点亮屏幕，显示驱动芯片需要完成上电等准备工作，之后才能调节屏幕背光(Backlight)，将屏幕点亮。显示驱动芯片主要用于控制和驱动屏幕的显示。
S203：该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息。
用户可以事先将自己的指纹信息录入包括指纹传感器的终端。当用户解锁该终端的屏幕时，指纹传感器会采集用户的指纹信息，然后该控制芯片可以将指纹传感器采集到的用户的指纹信息和终端预先存储的指纹信息比对，进行指纹验证。
S204：若验证通过则解锁该屏幕并且点亮该屏幕。
可以将解锁屏幕和点亮屏幕看做是两个独立的过程，对二者的顺序不做限定。
点亮屏幕前的准备工作耗时大概400ms，大概需要10mA的功耗，而点亮屏 幕背光耗时30ms但是需要200mA的功耗。可见，将显示驱动芯片点亮屏幕前的准备工作和指纹验证过程并行进行，能够节省总的指纹解锁屏幕时间。
可选的，该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作包括，该显示驱动芯片完成上电、复位和初始化寄存器等准备工作。
可选的，若验证未通过，则不解锁该屏幕并且不点亮该屏幕。为了节省功耗，可以取消显示驱动芯片之前的准备工作，比如取消上电、复位和初始化寄存器等准备工作。
可选的，为了直观的提醒用户，提升用户体验，在用户的指纹验证未通过时，通过震动的方式提醒用户。也可以采用LED灯闪烁的方式提醒用户。
可选的，该控制芯片具体为终端的中央处理器CPU；该终端包括该指纹传感器。由于现在智能终端的CPU越来越强大，指纹验证完全可以由终端CPU来完成，所以现在多数厂商主要采用终端的CPU作为控制指纹传感器的芯片。该控制芯片要用于将指纹传感器检测到的指纹信息和用户预先存储的指纹信息进行比对，完成指纹验证。终端的CPU可以是单核心的也可以是多核心的。该控制芯片也可以是指纹识别模块的主控芯片。该主控芯片可以是独立于终端的CPU的芯片。
本发明实施例提供了一种指纹解锁屏幕的方法，指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片；该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕并且点亮该屏幕，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。
实施例二
图3给出了本发明实施例提供的一种终端，所述终端包括：指纹传感器302、控制芯片301和屏幕303；指纹传感器302检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片301，并行发送第二通知给屏幕303的显示驱动芯片；显示驱动芯片根据该第二通知完成点亮屏幕303前的准备工作；控制芯片301根据该第一通知验证指纹传感器302采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁屏幕303并且点亮屏幕303。
点亮屏幕前的准备工作耗时大概400ms，大概需要10mA的功耗，而点亮屏 幕背光耗时30ms但是需要200mA的功耗。可见，将显示驱动芯片点亮屏幕前的准备工作和指纹验证过程并行进行，能够节省总的指纹解锁屏幕时间。
可选的，该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作包括，该显示驱动芯片完成上电、复位和初始化寄存器等准备工作。
可选的，若验证未通过，则不解锁该屏幕并且不点亮该屏幕。为了节省功耗，可以取消显示驱动芯片之前的准备工作，比如取消上电、复位和初始化寄存器等准备工作。
可选的，为了直观的提醒用户，提升用户体验，在用户的指纹验证未通过时，通过震动的方式提醒用户。也可以采用LED灯闪烁的方式提醒用户。
可选的，该控制芯片具体为终端的中央处理器CPU。由于现在智能终端的CPU越来越强大，指纹验证完全可以由终端CPU来完成，所以现在多数厂商主要采用终端的CPU作为控制指纹传感器的芯片。该控制芯片要用于将指纹传感器检测到的指纹信息和用户预先存储的指纹信息进行比对，完成指纹验证。终端的CPU可以是单核心的也可以是多核心的。该控制芯片也可以是指纹识别模块的主控芯片。该主控芯片可以是独立于终端的CPU的芯片。
本发明实施例提供了一种终端，该终端包括：指纹传感器、控制芯片和屏幕；该指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给该控制芯片，并行发送第二通知给该屏幕的显示驱动芯片；该显示驱动芯片根据该第二通知完成点亮该屏幕前的准备工作；该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕并且点亮该屏幕。能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。实施例三
图4给出了本发明实施例的又一指纹解锁屏幕的方法，该方法包括：
S401：指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片。
S402：该显示驱动芯片根据该第二通知点亮该屏幕。
S403：该控制芯片根据该第一通知验证该指纹传感器采集到的指纹信息和预先存储的指纹信息。
S404：若验证通过则解锁该屏幕。
可选的，为了直观的提醒用户，提升用户体验，在用户的指纹验证未通过 时，通过震动的方式提醒用户。也可以在屏幕上提醒用户。
可选的，该控制芯片具体为终端的中央处理器CPU；该终端包括该指纹传感器。该控制芯片也可以是指纹识别模块的主控芯片。
通过本发明实施例提供的指纹解锁屏幕的方法，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。
实施例四
图5本发明实施例提供的又一种终端，所述终端包括：指纹传感器502、控制芯片501和屏幕503；指纹传感器502检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片501，并行发送第二通知给屏幕503的显示驱动芯片；该显示驱动芯片根据该第二通知点亮该屏幕503；该控制芯片501根据该第一通知验证该指纹传感器502采集到的指纹信息和预先存储的指纹信息；若验证通过则解锁该屏幕503。
通过本发明实施例提供的又一种终端，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。
本发明实施例还提供了一种存储一个或多个程序的计算机可读存储介质，该一个或多个程序包括指令，该指令当被包括显示器和多个应用程序的便携式电子设备执行时使该便携式电子设备执行根据实施例一和实施例三任一实施例中所述的方法，其中，该显示器包括触敏表面和显示屏幕。
通过本发明实施例提供的计算机可读存储介质，能够缩短指纹解锁屏幕的时间，提升用户的指纹解锁体验。
最后应说明的是：以上实施例仅用以示例性说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明及本发明带来的有益效果进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明权利要求的范围。

Claims (14)

  1. 一种指纹解锁屏幕的方法，其特征在于，所述方法包括：
    指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片；
    所述显示驱动芯片根据所述第二通知完成点亮所述屏幕前的准备工作；
    所述控制芯片根据所述第一通知验证所述指纹传感器采集到的指纹信息和预先存储的指纹信息；
    若验证通过则解锁所述屏幕并且点亮所述屏幕。
  2. 根据权利要求1所述的方法，其特征在于，所述显示驱动芯片根据所述第二通知完成点亮所述屏幕前的准备工作包括：
    所述显示驱动芯片根据所述第二通知完成点亮所述屏幕前的上电、复位和初始化寄存器。
  3. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    若验证未通过，则不解锁所述屏幕并且不点亮所述屏幕。
  4. 根据权利要求3所述的方法，其特征在于，所述方法还包括：
    通过震动的方式提醒用户验证未通过。
  5. 根据权利要求1-4任一项所述的方法，其特征在于，所述控制芯片具体为终端的中央处理器CPU；所述终端包括所述指纹传感器。
  6. 一种终端，其特征在于，所述终端包括：指纹传感器、控制芯片和屏幕；
    所述指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给所述控制芯片，并行发送第二通知给所述屏幕的显示驱动芯片；
    所述显示驱动芯片根据所述第二通知完成点亮所述屏幕前的准备工作；
    所述控制芯片根据所述第一通知验证所述指纹传感器采集到的指纹信息和预先存储的指纹信息；
    若验证通过则解锁所述屏幕并且点亮所述屏幕。
  7. 根据权利要求6所述的方法，其特征在于，所述显示驱动芯片根据所述第二通知完成点亮所述屏幕前的准备工作包括：
    所述显示驱动芯片根据所述第二通知完成点亮所述屏幕前的上电、复位和初始化寄存器。
  8. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    若验证未通过，则不解锁所述屏幕并且不点亮所述屏幕。
  9. 根据权利要求8所述的方法，其特征在于，所述方法还包括：
    通过震动的方式提醒用户验证未通过。
  10. 根据权利要求6-9任一项所述的方法，其特征在于，所述控制芯片具体为终端的中央处理器CPU。
  11. 一种指纹解锁屏幕的方法，其特征在于，所述方法包括：
    指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给控制芯片，并行发送第二通知给屏幕的显示驱动芯片；
    所述显示驱动芯片根据所述第二通知点亮所述屏幕；
    所述控制芯片根据所述第一通知验证所述指纹传感器采集到的指纹信息和预先存储的指纹信息；
    若验证通过则解锁所述屏幕。
  12. 一种终端，其特征在于，所述终端包括：指纹传感器、控制芯片和屏幕；
    所述指纹传感器检测到手指按压或接触指纹识别区域，发送第一通知给所述控制芯片，并行发送第二通知给所述屏幕的显示驱动芯片；
    所述显示驱动芯片根据所述第二通知点亮所述屏幕；
    所述控制芯片根据所述第一通知验证所述指纹传感器采集到的指纹信息和预先存储的指纹信息；
    若验证通过则解锁所述屏幕。
  13. 一种存储一个或多个程序的计算机可读存储介质，所述一个或多个程序包括指令，所述指令当被包括显示器和多个应用程序的便携式电子设备执行时使所述便携式电子设备执行根据权利要求1-5任一项所述的方法，其中，所述显示器包括触敏表面和显示屏幕。
  14. 一种存储一个或多个程序的计算机可读存储介质，所述一个或多个程序包括指令，所述指令当被包括显示器和多个应用程序的便携式电子设备执行时使所述便携式电子设备执行根据权利要求11所述的方法，其中，所述显示器包括触敏表面和显示屏幕。
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