公开(公告)号：US20240130668A1

公开(公告)日：2024-04-25

申请号：US18391138

申请日：2023-12-20

Applicant: AMOREPACIFIC CORPORATION

Inventor： Hongli JO ,  Yuchul JUNG ,  Eun Joo KIM ,  Kyung Tae KIM ,  Yong Jin LEE

IPC: A61B5/00 ,  G16H10/40 ,  G16H50/30

CPC classification number: A61B5/443 ,  A61B5/0082 ,  A61B5/4848 ,  G16H10/40 ,  G16H50/30 ,  A61B2562/0233

Abstract: The present invention relates to a device and a method for measuring skin changes caused by blue light. A device for measuring skin changes caused by blue light according to one embodiment of the present invention comprises: at least one light source for irradiating light of a blue light band at different light amounts to a plurality of test areas set on a skin area to be tested; and a control unit for detecting a minimum pigmentation point among the test areas and calculating a light amount of the corresponding test area as a minimum pigmentation dose (MPD) for blue light. In addition, the present invention relates to a blue light irradiation device for irradiating a plurality of blue light beams in order to measure skin changes caused by blue light.