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Title:
MICRO-SPEAKER, THE MANUFACTURING METHOD THEREOF, SPEAKER DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/066934
Kind Code:
A1
Abstract:
The present invention discloses a micro-speaker, the manufacturing method thereof, a speaker device and an electronic apparatus. The micro-speaker includes: a case, wherein the case has an opening; and a piezoelectric layer, wherein one or more electrodes are provided on the piezoelectric layer, 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.

Inventors:
ZOU, Quanbo (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
WANG, Zhe (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
LI, Jun (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
Application Number:
CN2015/092406
Publication Date:
April 27, 2017
Filing Date:
October 21, 2015
Export Citation:
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Assignee:
GOERTEK.INC (268 Dongfang Road, Hi-Tech Industry DistrictWeifang, Shandong 1, 261031, CN)
International Classes:
H04R17/00
Foreign References:
US20060158064A12006-07-20
CN103493510A2014-01-01
CN103535053A2014-01-22
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (Room 1202, Kuntai Building#10 Chaoyangmenwai Str., Chaoyang District, Beijing 0, 100020, CN)
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