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:
Apr. 11, 2006
Filed:
Jan. 27, 2004
Applicant:
Decai Sun, Los Altos, CA (US);
Inventor:
Decai Sun, Los Altos, CA (US);
Assignee:
Lumileds Lighting, U.S., LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/26 (2006.01); H01L 27/15 (2006.01); H01L 31/12 (2006.01); H01L 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
III-nitride or III-phosphide light emitting devices include a light emitting region disposed between a p-type region and an n-type region. At least one heavily doped layer is disposed within either the n-type region or the p-type region or both, to provide current spreading.