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:
Dec. 09, 2014
Filed:
Oct. 14, 2011
Applicants:
Chih-hsuan Sun, Kaohsiung, TW;
Hsiao-wen Lee, Hsinchu, TW;
Inventors:
Chih-Hsuan Sun, Kaohsiung, TW;
Hsiao-Wen Lee, Hsinchu, TW;
Assignee:
TSMC Solid State Lighting Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 29/02 (2006.01); F21K 99/00 (2010.01); F21V 29/00 (2006.01); F21V 3/00 (2006.01); F21Y 101/02 (2006.01);
U.S. Cl.
CPC ...
F21V 29/2293 (2013.01); F21V 3/00 (2013.01); F21Y 2101/02 (2013.01); F21K 9/90 (2013.01); F21V 29/2231 (2013.01); F21K 9/135 (2013.01);
Abstract
A Light-Emitting Diode (LED) lamp includes a heat sink with a number of passive air flow ducts defined at least partially by fins of the heat sink and a cover plate over the fins. The heat sink includes a body with a cavity, a number of fins radiating outwards from the body, and a cover plate covering the fins. Each passive air flow duct includes top and bottom openings for air flow.