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. 20, 2016
Filed:
Dec. 15, 2014
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 29/00 (2015.01); F21V 29/75 (2015.01); F21V 29/83 (2015.01); F21Y 101/00 (2016.01);
U.S. Cl.
CPC ...
F21V 29/75 (2015.01); F21V 29/83 (2015.01); F21Y 2101/00 (2013.01);
Abstract
Disclosed is a lighting apparatus. The lighting apparatus includes a light emitting unit including a light emitting diode (LED), a heat sink including a first face, the light emitting unit being disposed on the first face, a second face opposite to the first face, and a space having a prescribed volume between the first face and the second face, and a power source unit configured to supply power to the light emitting unit. The second face is provided with a flow hole to open a region of the space, and the second face includes a plurality of curved portions arranged in a height direction of the heat sink, the curved portions having different radii of curvature.