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.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
Sep. 29, 2024
Huike (Singapore) Holding Pte.ltd., Singapore, SG;
Canhong Du, Shenzhen, CN;
Dengxin Ji, Shenzhen, CN;
Yuwang Xu, Shenzhen, CN;
Chengzuo Wang, Shenzhen, CN;
Hongchao Wang, Shenzhen, CN;
HUKE (SINGAPORE) HOLDING PTE. LTD., Singapore, SG;
Abstract
The present disclosure provides an ultrasonic fingerprint apparatus and an electronic device. The ultrasonic fingerprint apparatus includes an ultrasonic fingerprint chip and a piezoelectric transducer arranged above the ultrasonic fingerprint chip; the piezoelectric transducer includes a piezoelectric layer, an upper electrode located above the piezoelectric layer, and a lower electrode located below the piezoelectric layer; the ultrasonic fingerprint chip includes a substrate and a plurality of metal layers arranged in a first region of the substrate, the lower electrode is located above a second region of the substrate, a top metal layer among the plurality of metal layers includes N drive traces, a passivation layer is provided above the top metal layer, and provided with a first window corresponding to the N drive traces, and the upper electrode extends from an upper surface of the piezoelectric layer into the first window.