ULTRASONIC WAVE MASK AND SKIN CARE DEVICE INCLUDING THE SAME

摘要

An ultrasonic mask according to an embodiment includes: a first substrate; A first electrode on the first substrate; A second substrate on the first substrate; A second electrode on the second substrate; A piezoelectric member between the first substrate and the second substrate; A first wiring connected to the first electrode; And a second wiring connected to the second electrode, wherein the first wiring and the second wiring have a curvature of 5R to 15R, and an elongation of the first wiring and the second wiring is 10% to 50%. to be.