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:
Sep. 30, 2014
Filed:
Feb. 26, 2013
Applicants:
Seoul National University R&db Foundation, Seoul, KR;
The Board of Trustees of the Leland Stanford Junior University, Palo Alto, CA (US);
Inventors:
Assignees:
Seoul National University R&DB Foundation, Seoul, KR;
The Board of Trustees of the Leland Standford Junior University, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01); H01L 31/0328 (2006.01); H01L 31/0336 (2006.01); H01L 31/072 (2012.01); H01L 31/109 (2006.01); H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
H01L 33/002 (2013.01);
Abstract
This invention provides a germanium electroluminescence device and a fabricating method of the same for using germanium of an indirect bandgap semiconductor without modifying a bandgap as a light-emitting layer which emits a 1550 nm-wavelength light and enabling to use not only as infrared LEDs itself but also as light sources for optical communication systems.