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. 03, 2020
Filed:
Feb. 01, 2017
Lg Electronics Inc., Seoul, KR;
Kyocera Corporation, Kyoto, JP;
Yutaka Fukuyama, Tokyo, JP;
Yukio Hiratsuka, Tokyo, JP;
Heeburm Ryu, Tokyo, JP;
Kousei Horiuchi, Kyoto, JP;
LG ELECTRONICS INC., Seoul, KR;
KYOCERA CORPORATION, Kyoto, JP;
Abstract
In order to solve problems with an audio device that is difficult to machine and has an increased amount of wiring, the present invention provides an audio output device comprising: a first electrode layer including a plurality of rows of electrodes arranged in a first direction; a second electrode layer disposed on the back surface of the first electrode layer and including a plurality of rows of electrodes arranged in a second direction; a driving layer including a piezoelectric layer disposed between the first electrode layer and the second electrode layer and a support layer coupled to one of the front surface and the back surface of the piezoelectric layer; and a support plate coupled to the back surface of the driving layer and having a hollow portion formed in a region corresponding to each of intersections between the plurality of rows of electrodes in the first electrode layer and the plurality of rows of electrodes in the second electrode layer intersect.