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:
Jul. 29, 2025
Filed:
Aug. 06, 2024
Japan Display Inc., Tokyo, JP;
Hiroumi Kinjo, Tokyo, JP;
Japan Display Inc., Tokyo, JP;
Abstract
A detecting device includes a plurality of ultrasonic transducers that transmit and receive ultrasonic waves. The detecting device includes a laminate, and a frame layer stacked on at least one face of a first face of the laminate and a second face opposite the first face. The laminate includes a flexible substrate, a circuit layer including a plurality of first electrodes and at least one second electrode, the circuit layer being stacked on the flexible substrate, and a piezoelectric layer stacked on the circuit layer. One of the ultrasonic transducers includes at least one of the first electrodes that is in contact with the piezoelectric layer, and at least one of the second electrodes that is in contact with the piezoelectric layer, and the frame layer has a cavity at a position that overlaps the first electrode in plan view.