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:
May. 21, 2013
Filed:
Oct. 26, 2010
Der Jeou Chou, Mesa, AZ (US);
Ming Yi Chan, Taipei, TW;
Yu Chen Chang, Taipei, TW;
Enertron, Inc., Tempe, AZ (US);
Abstract
A light-emitting diode lamp includes a light engine, a power assembly, and a heatsink. The light engine includes a plurality of light-emitting diodes, and the power assembly includes a socket disposed at one end of the power assembly and a heat spreader plate disposed at another end of the power assembly opposite the socket. The light engine is mounted to the heat spreader plate. The power assembly further includes a power supply circuit that is electrically coupled to the socket and to the light engine. The socket is configured to electrically couple the power supply circuit to an external electrical source. The heatsink encircles the power assembly and is thermally connected to the light engine. The heatsink also includes a plurality of perforations, which are arranged to facilitate a natural convection airflow over and through the heatsink.