公开(公告)号：US20240302268A1

公开(公告)日：2024-09-12

申请号：US18664157

申请日：2024-05-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghui CHOI ,  Keunbum LEE ,  Changwoo JUNG ,  Buyoun LEE ,  Changheon LEE ,  Sangki CHO

IPC: G01N21/29 ,  G01N21/21 ,  G01N21/85 ,  G01N33/00

CPC classification number: G01N21/29 ,  G01N33/0047 ,  G01N2021/216 ,  G01N2021/8578 ,  G01N2201/0221

Abstract: An air quality measuring device, according to one embodiment of the present disclosure, includes a top case, a bottom case provided below the top case, a circular light guide unit which is disposed between the top case and the bottom case. The air quality measuring device has an outer portion and an inner portion, and includes a coupling boss positioned around the outer portion so as to be coupled to the top case or the bottom case. The air quality measuring device also includes a light source unit positioned on the inner portion, where the light guide unit has a light exit surface formed on the outer portion and may include a rib which is positioned around the outer portion and protrudes from one surface thereof.