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Patent Searching and Data


Title:
MASK AND SKIN CARE DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2020/251200
Kind Code:
A1
Abstract:
A mask, according to an embodiment, comprises: a first wiring disposed on a first base layer; a piezoelectric element disposed on the first wiring; a second wiring disposed on the piezoelectric element; a second base layer disposed on the second wiring; a protective layer disposed between the first and second base layers and surrounding the first wire, the second wire, and the piezoelectric element; and a control unit which controls a driving frequency of the piezoelectric element. The control unit controls the driving frequency of the piezoelectric element in a frequency band defined as a first range, and the temperature of the piezoelectric element changes by means of the control of the driving frequency of the control unit.

Inventors:
HONG BEOM SUN (KR)
SON HAE ROK (KR)
OH JOON JAE (KR)
LEE GYU LIN (KR)
Application Number:
KR2020/007032
Publication Date:
December 17, 2020
Filing Date:
May 29, 2020
Export Citation:
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Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
A61N7/00; A45D44/00; A61F7/00; A61H23/02; A61M37/00; B06B1/06
Foreign References:
KR101866371B12018-07-04
KR200279590Y12002-06-24
KR20160069399A2016-06-16
KR100920239B12009-10-05
KR20160006573A2016-01-19
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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