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:
Jul. 28, 2015
Filed:
Oct. 29, 2012
Applicant:
Huga Optotech Inc., Taichung, TW;
Inventors:
Assignee:
HUGA OPTOTECH INC., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/20 (2010.01); H01L 33/60 (2010.01); H01L 33/24 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H01L 33/20 (2013.01); H01L 33/24 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01);
Abstract
A semiconductor light emitting device includes a substrate having a main surface and an exposed surface; an epitaxial structure, disposed on the main surface of the substrate, having at least a first type semiconductor layer, a light-emitting layer, and a second type semiconductor layer, wherein the first type layer has a first sidewall including at least a first etched surface and a second etched surface, wherein angles between the etched surfaces and the exposed surface are acute angles; and an electrode structure disposed on the epitaxial structure.