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:
Oct. 13, 2020

Filed:

Aug. 02, 2018
Applicant:

Reco Technology (Chengdu) Co., Ltd., Sichuan, CN;

Inventors:

Yu-Pi Kuo, Guangdong, CN;

Chung-Wu Liu, Guangdong, CN;

Chun-Te Chang, Guangdong, CN;

Sin-Cheng Lin, Guangdong, CN;

Wan-Heng Lin, Guangdong, CN;

Shih-Chieh Huang, Guangdong, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); B06B 1/06 (2006.01); H01L 27/32 (2006.01); H01L 51/52 (2006.01); H01L 41/09 (2006.01); H01L 41/04 (2006.01); H01L 41/113 (2006.01); H01L 41/18 (2006.01);
U.S. Cl.
CPC ...
G06K 9/0002 (2013.01); B06B 1/0644 (2013.01); H01L 27/3225 (2013.01); H01L 41/042 (2013.01); H01L 41/09 (2013.01); H01L 41/1132 (2013.01); H01L 51/5284 (2013.01); H01L 41/18 (2013.01);
Abstract

Panel structure includes a substrate, a piezoelectric material layer and a thin film transistor. The piezoelectric material layer is disposed under the substrate, in which the piezoelectric material layer is configured to generate human recognizable sound waves by vibrating at a human audible frequency in a first time interval, and the piezoelectric material layer is configured to generate ultrasonic waves by vibrating at an ultrasonic frequency in a second time interval. The piezoelectric material layer is used for recognizing human fingerprints when it vibrates at the ultrasonic frequency. The thin film transistor is positioned under and electrically connected to the piezoelectric material layer.


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