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:
Oct. 24, 2023
Filed:
Jun. 19, 2020
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventor:
Tsutomu Yamasaki, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/02251 (2021.01); G02B 6/02 (2006.01); G02B 6/26 (2006.01); H01S 5/42 (2006.01); G02B 6/42 (2006.01); H01S 5/02234 (2021.01);
U.S. Cl.
CPC ...
H01S 5/02251 (2021.01); G02B 6/02038 (2013.01); G02B 6/262 (2013.01); G02B 6/4203 (2013.01); H01S 5/423 (2013.01); H01S 5/02234 (2021.01);
Abstract
A light-emitting module includes a substrate, a surface light-emitting element, and an optical waveguide. The surface light-emitting element includes light sources and is attached to the substrate. The optical waveguide is attached to the surface light-emitting element in a state in which the optical waveguide covers the light sources. The optical waveguide extends in an axial direction with a refractive index distribution in a radial direction. The optical waveguide condenses light beams emitted from the surface light-emitting element.