US 12,151,121 B2
Skin care device
Yonggeun Jin, Seoul (KR); Jungkwan Lee, Seoul (KR); Heejung Kim, Seoul (KR); Gueisam Lim, Seoul (KR); Hyoungjun Kim, Seoul (KR); Woohyun Kim, Seoul (KR); Jeongseok Yang, Seoul (KR); Dongwook Moon, Seoul (KR); and Mingyu Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/597,020
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jun. 23, 2020, PCT No. PCT/KR2020/008184
§ 371(c)(1), (2) Date Dec. 22, 2021,
PCT Pub. No. WO2020/262948, PCT Pub. Date Dec. 30, 2020.
Claims priority of provisional application 62/865,696, filed on Jun. 24, 2019.
Claims priority of application No. 10-2020-0006593 (KR), filed on Jan. 17, 2020; and application No. 10-2020-0006595 (KR), filed on Jan. 17, 2020.
Prior Publication US 2022/0314022 A1, Oct. 6, 2022
Int. Cl. A61N 5/00 (2006.01); A61N 5/06 (2006.01)
CPC A61N 5/0616 (2013.01) [A61N 2005/0632 (2013.01); A61N 2005/0647 (2013.01); A61N 2005/065 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A skin care device comprising:
an outer case having a first opening;
an inner case configured to be fastened to the outer case and having a second opening corresponding to the first opening; and
a light output device configured to be accommodated between the outer case and the inner case,
wherein the light output device includes:
a body configured to form a predetermined area based on a shape of the outer case or the inner case, wherein the body includes a light guide panel having the predetermined area;
a cover located along a part of an outer part of the body; and
a plurality of light sources disposed between the body and the cover in a form of an array along the outer part of the body, and
wherein each of the plurality of light sources is disposed to face the body,
wherein the cover includes:
a first partial cover located between the plurality of light sources and the inner case; and
a second partial cover located between the plurality of light sources and the outer case and fastened to the first partial cover, and
wherein an accommodation space accommodating the plurality of light sources is located between the first partial cover, the second partial cover, and the light guide panel.