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US 12,582,574 B2Granted
Mask, and skin care apparatus comprising same
AssigneeLG Innotek Co., Ltd.
InventorsJoon Jae Oh, Beom Sun Hong, Sang Young Lee
Life of this patent
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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.
Claims19
A mask comprising:
- 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.
6 more elements
Dependencies are inferred from the claim text.