The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 20, 2022

Filed:

Nov. 16, 2020
Applicant:

Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;

Inventor:

Chihjen Cheng, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G06V 40/13 (2022.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
G06V 40/1306 (2022.01); G06F 3/0443 (2019.05); H01L 27/323 (2013.01); H01L 27/326 (2013.01); H01L 27/3276 (2013.01);
Abstract

A fingerprint detection assembly includes a plurality of fingerprint pixel circuits and a signal reading device. The plurality of fingerprint pixel circuits are arranged in multiple rows and multiple columns, each column of the fingerprint pixel circuits are divided into a plurality of column fingerprint pixel units along a longitudinal direction. Each of the plurality of the column fingerprint pixel units is connected to the signal reading device through a respective data line. The signal reading device is configured to read the fingerprint signals which are collected by the fingerprint pixel circuits.


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