美國
US 12,696,968 B2
Ultrasonic mask and skin care device comprising same
US 12,696,968 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：LG INNOTEK CO., LTD.。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- LG INNOTEK CO., LTD.
- 發明人
- Do Hee KEUM; Min Seok OH; Sang Young LEE
- 公開日
- 2026-08-04
- 申請日
- 2021-09-08
- 文件種類
- B2 核准公告
- 也寫作
- US 12,696,968 B2 · US12696968 · 12696968
摘要
An ultrasonic mask according to an embodiment comprises: a first substrate; a first wire disposed on the upper surface of the first substrate; a second substrate disposed above the first substrate; a second wire disposed on the lower surface of the second substrate; a piezoelectric member between the first substrate and the second substrate; a first electrode connected to the first wire and disposed on the lower surface of the piezoelectric member; and a second electrode connected to the second wire and disposed on the upper surface of the piezoelectric member, wherein the first wire and the s…
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專利局網站： 美國專利商標局（USPTO）