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Fingerprint identification method

A fingerprint recognition and fingerprint technology, applied in character and pattern recognition, acquisition/organization of fingerprints/palmprints, advanced technology, etc., can solve the problems of cumbersome process, high cost, large number of drivers, etc., to reduce the scanning area, fast fingerprint The effect of unlocking and reducing scan time

Active Publication Date: 2020-12-11
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 in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

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

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Abstract

The invention discloses a fingerprint identification method. According to the invention, the fingerprint identification area of the display panel is defined as the N GOA areas, the scanning area of the fingerprint identification area can be reduced during fingerprint unlocking, the scanning time is further reduced, and the optical sensors in each GOA area are connected in parallel through the global signals, so that the overall exposure time of the optical sensors is reduced, and rapid fingerprint unlocking is realized.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a fingerprint identification method. Background technique [0002] In existing display devices such as smart phones, the fingerprint identification 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 screen are getting narrower and the home button is cancelled. Placing the fingerprint recognition sensor on the back or side of the mobile phone has become an intermediate transition solution, and placing it under the display screen or inside the screen has become a major trend in the development of fingerprint recognition. . [0003] With the demand for the development of smart phones and tablets, fingerprint recognition technology has become a major selling point of mobile terminals; and optical fingerprint recognition technology is also the current demand for major mobile terminals. ...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V40/1318Y02D30/70
Inventor 张洲牛小艳熊海军
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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