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:
Aug. 06, 2013
Filed:
Sep. 20, 2010
Applicants:
Thomas M. Katona, Goleta, CA (US);
James W. Raring, Goleta, CA (US);
Mark P. D'evelyn, Santa Barbara, CA (US);
Michael R. Krames, Mountain View, CA (US);
Inventors:
Thomas M. Katona, Goleta, CA (US);
James W. Raring, Goleta, CA (US);
Mark P. D'Evelyn, Santa Barbara, CA (US);
Michael R. Krames, Mountain View, CA (US);
Assignee:
Soraa, Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H01L 29/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting diode device emitting at a wavelength of 390-415 nm has a bulk gallium and nitrogen containing substrate with an active region. The device has a current density of greater than about 175 Amps/cmand an external quantum efficiency with a roll off of less than about 5% absolute efficiency.