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:
Sep. 09, 2014
Filed:
Sep. 30, 2008
David W. Johnston, Kensington, NH (US);
Gregory Zaslavsky, Marblehead, MA (US);
Jeffery J. Serre, Peabody, MA (US);
David W. Johnston, Kensington, NH (US);
Gregory Zaslavsky, Marblehead, MA (US);
Jeffery J. Serre, Peabody, MA (US);
OSRAM SYLVANIA Inc., Danvers, MA (US);
Abstract
A light source () comprises a tubular glass heat pipe () having a given inside diameter ID. A tubular fiberglass wick () is positioned within the glass heat pipe (). The fiberglass wick () has an outside diameter OD substantially equal to the given inside diameter ID and has a substantially centrally located open chamber () extending the length thereof. A quantity of an evaporable-condensable medium () is provided within the glass heat pipe () and a metal cap () selected from the group of glass-sealing metals and alloys is fixed to a proximal end () of the glass heat pipe (). Heat dissipaters () are fixed to the distal end () of the heat pipe () and a light emitting diode () is fixed to the metal cap (). Power conducting traces () are formed with the heat pipe () and are electrically connected to the light emitting diode (). A lamp () can be formed with a plurality of the light sources ().