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Fingerprint identification method

A fingerprint identification and fingerprint technology, which is applied in character and pattern recognition, acquisition/organization of fingerprints/palmprints, advanced technology, etc., can solve the problems of large number of drivers, high cost, cumbersome manufacturing process, etc., and achieve reduced scanning area and fast fingerprinting Effects of unlocking and reducing scan time

Active Publication Date: 2022-07-12
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a fingerprint recognition method to solve the complicated manufacturing process, large number of drives and high cost caused by adding photodiodes to the embedded touch screen and realizing display, touch and fingerprint unlocking functions through capacitive sensors. high problem

Method used

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Embodiment Construction

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0027] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing...

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Abstract

The present application discloses a fingerprint identification method. In the present application, by defining the fingerprint recognition area of ​​the display panel as N GOA areas, when the fingerprint is unlocked, the scanning area of ​​the fingerprint recognition area can be reduced, thereby reducing the scanning time, and the optical sensors of each GOA area are connected in parallel through the global signal, Thereby reducing the overall exposure time of the optical sensor for fast fingerprint unlocking.

Description

technical field [0001] The present application relates to the field of display technology, and in particular, to a fingerprint identification method. Background technique [0002] In existing display devices such as smart phones, the fingerprint recognition sensor is usually placed at the position of the menu key (home key). With the advent of the full screen, the borders around the display are getting narrower and the home button has been canceled. The fingerprint recognition sensor placed on the back or side of the mobile phone has become an intermediate transition solution. Putting it under the display or in the screen has become a major trend in the development of fingerprint recognition. . [0003] With the development of smart phones and tablets, fingerprint recognition technology has also become a major selling point of mobile phone terminals; and optical fingerprint recognition technology is also the current demand for major mobile phone terminals. [0004] At pres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V40/13
CPCG06V40/1318Y02D30/70
Inventor 张洲牛小艳熊海军
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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