US 12,102,839 B2
LED patch for skin care apparatus and skin care apparatus including the same
Hyo Jung Lee, Seoul (KR); In Yong Seo, Seoul (KR); and Seon Ho Jang, Seoul (KR)
Assigned to AMOLIFESCIENCE CO., LTD., Seoul (KR)
Appl. No. 17/614,758
Filed by AMOLIFESCIENCE CO., LTD., Seoul (KR)
PCT Filed May 22, 2020, PCT No. PCT/KR2020/006681
§ 371(c)(1), (2) Date Nov. 29, 2021,
PCT Pub. No. WO2020/242141, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 10-2019-0063897 (KR), filed on May 30, 2019.
Prior Publication US 2022/0226668 A1, Jul. 21, 2022
Int. Cl. A61N 5/06 (2006.01); A61M 37/00 (2006.01)
CPC A61N 5/0616 (2013.01) [A61M 37/00 (2013.01); A61N 5/0624 (2013.01); A61N 5/0625 (2013.01); A61M 2037/0007 (2013.01); A61N 2005/0645 (2013.01); A61N 2005/0651 (2013.01); A61N 2005/0664 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A light-emitting diode (LED) patch for a skin care apparatus, comprising:
a substrate part;
a circuit pattern part formed in at least two layers on the substrate part;
a light source part including one or more LEDs mounted directly on the circuit pattern part; and
a cover part configured to cover at least one surface of the substrate part,
wherein the circuit pattern part includes:
a first pattern formed directly on the substrate part, wherein the first pattern has a pattern shape; and
a second pattern having the same pattern shape and attached to one surface of the first pattern through a conductive adhesive layer,
wherein the first pattern is a printed pattern formed directly on the substrate part and configured to fill pores of the substrate part with a conductive material,
wherein the second pattern is stacked on one surface of the first pattern through the conductive adhesive layer so that it is located directly on an upper surface of the first pattern, and
wherein the first pattern and the second pattern secure conductive stability for the one or more LEDs by compensating for mutual short circuits.