MASK AND SKIN CARE DEVICE INCLUDING SAME

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.

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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:

KR101866371B1	2018-07-04
KR200279590Y1	2002-06-24
KR20160069399A	2016-06-16
KR100920239B1	2009-10-05
KR20160006573A	2016-01-19

Attorney, Agent or Firm:

HAW, Yong Noke (KR)

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