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.

Date of Patent:
Sep. 22, 2026

Filed:

May. 14, 2024
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Junghui Choi, Suwon-si, KR;

Keunbum Lee, Suwon-si, KR;

Changwoo Jung, Suwon-si, KR;

Buyoun Lee, Suwon-si, KR;

Changheon Lee, Suwon-si, KR;

Sangki Cho, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/21 (2006.01); G01N 21/29 (2006.01); G01N 33/00 (2006.01); G01N 21/85 (2006.01);
U.S. Cl.
CPC ...
G01N 21/29 (2013.01); G01N 33/0047 (2013.01); G01N 2021/216 (2013.01); G01N 2021/8578 (2013.01); G01N 2201/0221 (2013.01);
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.


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