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. 02, 2008
Filed:
Jun. 24, 2005
George C. Wei, Weston, MA (US);
Walter P. Lapatovich, Boxford, MA (US);
Joanne M. Browne, Newburyport, MA (US);
Kailash C. Mishra, North Chelmsford, MA (US);
Madis Raukas, Charlestown, MA (US);
George C. Wei, Weston, MA (US);
Walter P. Lapatovich, Boxford, MA (US);
Joanne M. Browne, Newburyport, MA (US);
Kailash C. Mishra, North Chelmsford, MA (US);
Madis Raukas, Charlestown, MA (US);
Osram Sylvania Inc., Danvers, MA (US);
Abstract
A ceramic discharge vessel is provided wherein the vessel comprises a hollow body for enclosing a discharge and the hollow body is made of a polycrystalline dysprosium oxide containing a luminescent dopant that emits one or more visible light wavelengths when stimulated by radiation generated by the discharge. Preferably, the polycrystalline dysprosium oxide has been doped with one or more of europium, cerium, or terbium in an amount from about 0.1 to about 10 percent by weight on an oxide basis.