公开(公告)号：US20230141035A1

公开(公告)日：2023-05-11

申请号：US17828501

申请日：2022-05-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongkuk Lee ,  Daesup Kim ,  Wooseok Jang ,  Hyoungcheol Cho

IPC: A61L9/20 ,  H01L33/48 ,  H01L33/62 ,  H05K1/18 ,  H05K5/00 ,  C02F1/32

CPC classification number: A61L9/20 ,  H01L33/486 ,  H01L33/62 ,  H05K1/181 ,  H05K5/0056 ,  C02F1/325 ,  H01L33/32

Abstract: Provided is an ultraviolet (UV) light source. The UV light source includes: a substrate coupled to an upper housing; a light-emitting diode (LED) package on the substrate; and a waterproof coating layer on at least a portion of the substrate, wherein the LED package includes: an LED chip configured to generate UV light; and a transparent layer including a lower surface facing the LED chip, an upper surface opposite to the lower surface, and a lateral surface connecting the upper surface to the lower surface, wherein at least a portion of the upper surface of the transparent layer is exposed from the waterproof coating layer, and the transparent layer is configured to directly contact a sterilization-target fluid.