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. 21, 2021
Filed:
Oct. 21, 2015
Applicant:
Goertek Inc., Shandong, CN;
Inventors:
Assignee:
GOERTEK INC., Shandong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 17/00 (2006.01); H04R 31/00 (2006.01); H01L 41/083 (2006.01); H01L 41/29 (2013.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 17/00 (2013.01); H01L 41/083 (2013.01); H01L 41/29 (2013.01); H04R 1/02 (2013.01); H04R 31/00 (2013.01); H04R 2201/003 (2013.01); H04R 2201/401 (2013.01); H04R 2307/023 (2013.01); H04R 2307/025 (2013.01); H04R 2499/11 (2013.01); H04R 2499/15 (2013.01);
Abstract
A micro-speaker, the manufacturing method thereof, a speaker device and an electronic apparatus are described herein. The micro-speaker comprises a case, wherein the case has an opening; and a piezoelectric layer, wherein one or more electrodes are provided on the piezoelectric layer, and wherein the piezoelectric layer is pre-buckled in its rest position, wherein the piezoelectric layer covers the opening and is bonded onto the case, to form a speaker rear cavity together with the case. The micro-speaker of the present invention has a relatively low speaker profile.