Title:
DIAPHRAGM, SOUND GENERATION DEVICE, AND METHOD FOR MANUFACTURING SOUND GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/239889
Kind Code:
A1
Abstract:
Embodiments relate to a diaphragm having high rigidity and high internal loss. The diaphragm may comprise: a matrix-shaped structure including a plurality of through-holes; and a graphene layer disposed in at least a part of the plurality of through-holes and coupled to the structure.
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Inventors:
LEE SUNGDAN (KR)
LEE KEUNYOUNG (KR)
LEE DUHO (KR)
LEE KEUNYOUNG (KR)
LEE DUHO (KR)
Application Number:
PCT/KR2021/006016
Publication Date:
November 17, 2022
Filing Date:
May 13, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04R7/12; H04R31/00
Foreign References:
| KR102110203B1 | 2020-05-13 | |||
| JP6500236B2 | 2019-04-17 | |||
| KR20170096099A | 2017-08-23 | |||
| KR20120064984A | 2012-06-20 | |||
| US20140270271A1 | 2014-09-18 |
Attorney, Agent or Firm:
KBK & ASSOCIATES (KR)
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