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. 07, 2015
Filed:
Feb. 28, 2013
Applicant:
Soraa, Inc., Fremont, CA (US);
Inventors:
Rafael Aldaz, Fremont, CA (US);
Aurelien David, Fremont, CA (US);
Daniel F. Feezell, Fremont, CA (US);
Thomas M. Katona, Fremont, CA (US);
Rajat Sharma, Fremont, CA (US);
Assignee:
Soraa, Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/22 (2010.01); H01L 33/20 (2010.01); H01L 33/58 (2010.01); H01L 33/00 (2010.01); H01L 33/32 (2010.01); H01L 33/48 (2010.01);
U.S. Cl.
CPC ...
H01L 33/58 (2013.01); H01L 33/0025 (2013.01); H01L 33/32 (2013.01); H01L 33/48 (2013.01);
Abstract
Embodiments of the present disclosures are directed to improved approaches for achieving high-performance light extraction from a Group III-nitride volumetric LED chips. More particularly, disclosed herein are techniques for achieving high-performance light extraction from a Group III-nitride volumetric LED chip using surface and sidewall roughening.