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:
Nov. 14, 2023
Filed:
May. 27, 2021
Boe Technology Group Co., Ltd., Beijing, CN;
Xiaotong Liu, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
The present disclosure provides an acoustic transduction unit, a manufacturing method thereof and an acoustic transducer. The acoustic transduction unit includes a substrate, and a first electrode, a vibrating film and a second electrode sequentially arranged on the substrate, a cavity is formed between the first electrode and the vibrating film, orthographic projections of the first electrode, the cavity, the vibrating film and the second electrode on the substrate are at least partially overlapped with each other at a first overlapping region, and a hollowed-out pattern is formed in the vibrating film, and the orthographic projection of the hollowed-out pattern on the substrate and the orthographic projection of the cavity on the substrate are overlapped with each other, and the orthographic projection of the hollowed-out pattern on the substrate is distributed in a discontinuous manner around the first overlapping region.