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:
Jan. 05, 2021
Filed:
Aug. 12, 2019
Applicant:
Furukawa Electric Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); H01S 5/022 (2006.01); H01S 5/024 (2006.01); H01S 5/0687 (2006.01); H01S 5/50 (2006.01); H01S 5/068 (2006.01);
U.S. Cl.
CPC ...
H01S 5/02208 (2013.01); H01S 5/02248 (2013.01); H01S 5/02415 (2013.01); H01S 5/02438 (2013.01); H01S 5/02476 (2013.01); H01S 5/0687 (2013.01); H01S 5/06817 (2013.01); H01S 5/50 (2013.01); H01S 5/02284 (2013.01); H01S 5/02288 (2013.01);
Abstract
An optical module includes a housing and an optical element that is disposed in the housing and emits light in the housing, in which a partial area of a surface inside the housing serves as a reduced optical reflection area processed so as to absorb the light and have a rough surface.