The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2024
Filed:
Mar. 17, 2020
Seoul Viosys Co., Ltd., Gyeonggi-do, KR;
Yeong Min Yoon, Gyeonggi-do, KR;
Hee Ho Bae, Gyeonggi-do, KR;
A Young Lee, Gyeonggi-do, KR;
Chung Hoon Lee, Gyeonggi-do, KR;
SEOUL VIOSYS CO., LTD., Ansan-si, KR;
Abstract
A light irradiation device includes a light source unit emitting a light to a wounded are of a skin and a controller controlling the light source unit. The light source unit includes a substrate, at least one first light source disposed on the substrate and emitting a first light in a blue wavelength band, and at least one second light source disposed on the substrate and emitting a second light in a red wavelength band to a near-infrared wavelength band. The first and second lights have different skin penetration depths from each other depending on a wavelength.