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Patent Searching and Data


Title:
MASK, AND SKIN CARE APPARATUS COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/235833
Kind Code:
A1
Abstract:
A mask according to an embodiment comprises: a first substrate disposed on a first base layer; a first wire disposed on the first substrate; a piezoelectric element disposed on the first wire; a second wire disposed on the piezoelectric element; a second substrate disposed on the second wire; a second base layer disposed on the second substrate; and a cavity disposed between the first base layer and the piezoelectric element, wherein the cavity is disposed in a region overlapping the piezoelectric element in a vertical direction.

Inventors:
OH JOON JAE (KR)
HONG BEOM SUN (KR)
LEE SANG YOUNG (KR)
Application Number:
PCT/KR2020/005926
Publication Date:
November 26, 2020
Filing Date:
May 06, 2020
Export Citation:
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Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
A61N7/00; A45D44/00; A61H23/02; A61M37/00; B06B1/06
Foreign References:
KR20160035202A2016-03-31
US20120319534A12012-12-20
KR20150135335A2015-12-02
KR20070090880A2007-09-06
US20120095335A12012-04-19
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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