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. 16, 2011
Filed:
Feb. 12, 2010
Applicants:
Tae Won Lee, Seoul, KR;
Hee Seok Park, Gyunggi-Do, KR;
Masayoshi Koike, Gyunggi-Do, KR;
Inventors:
Assignee:
Samsung LED Co., Ltd., Gyunggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A facet extraction LED improved in light extraction efficiency and a manufacturing method thereof. A substrate is provided. A light emitting part includes an n-type semiconductor layer, an active layer and a p-type semiconductor layer sequentially stacked on the substrate. A p-electrode and an n-electrode are connected to the p-type semiconductor layer and the n-type semiconductor layer, respectively. The p- and n-electrodes are formed on the same side of the LED. The light emitting part is structured as a ring.