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:
Mar. 02, 2021
Filed:
Dec. 18, 2017
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/193 (2006.01); H01L 41/113 (2006.01); H02N 2/18 (2006.01); H04R 17/00 (2006.01); H01L 41/08 (2006.01); H04R 17/02 (2006.01); H04R 19/02 (2006.01); H04R 19/04 (2006.01); H04R 23/02 (2006.01); H04R 19/00 (2006.01);
U.S. Cl.
CPC ...
H01L 41/193 (2013.01); H01L 41/0825 (2013.01); H04R 17/005 (2013.01); H04R 17/025 (2013.01); H04R 19/02 (2013.01); H04R 19/04 (2013.01); H04R 23/02 (2013.01);
Abstract
A piezoelectric element includes: an upper electrode having acoustic transparency; a lower electrode; and a diaphragm disposed between the upper electrode and the lower electrode and configured of a mesoporous piezoelectric thin film. The upper electrode, the lower electrode, and the diaphragm are electrically insulated from one another.