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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.:

US 9423678 B1

PDFFull Text
Expired
Date of Patent:
Aug. 23, 2016

Filed:

Jan. 20, 2014

Light emitting device, and super luminescent diode

Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Masamitsu Mochizuki, Fujimi, JP;

Michifumi Nagawa, Shiojiri, JP;

Assignee:

Seiko Epson Corporation, , JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Duy T Nguyen

Int. Cl.
CPC ...
H01L 33/00 (2010.01); G03B 21/20 (2006.01); H01S 5/02 (2006.01); H01S 5/028 (2006.01); H01S 5/10 (2006.01); H01L 33/10 (2010.01); B82Y 20/00 (2011.01); H01S 5/16 (2006.01); H01S 5/343 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2033 (2013.01); B82Y 20/00 (2013.01); G03B 21/2066 (2013.01); H01L 33/0045 (2013.01); H01L 33/10 (2013.01); H01S 5/0203 (2013.01); H01S 5/028 (2013.01); H01S 5/1003 (2013.01); H01S 5/162 (2013.01); H01S 5/101 (2013.01); H01S 5/1071 (2013.01); H01S 5/34326 (2013.01);
Abstract

A light emitting device includes: an active layer; and a first cladding layer and a second cladding layer that sandwich the active layer, wherein the active layer forms an optical waveguide that guides light, a traveling direction of the light guided in the optical waveguide changes at a first reflection part provided on a first side surface of the active layer, and the first reflection part is located outside of a region in which the first cladding layer and the second cladding layer are provided in a plan view.

Find Patent Forward Citations

Mochizuki, Masamitsu. (2016). Light emitting device, and super luminescent diode (U.S. Patent No. 9423678). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9423678

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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