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:
Oct. 27, 2015
Filed:
Jul. 05, 2014
Applicant:
National Institute of Standards and Technology, Gaithersbrug, MD (US);
Inventors:
John J Curry, Frederick, MD (US);
Walter P Lapatovich, Boxford, MA (US);
Edgar G Estupinan, Peabody, MA (US);
Assignee:
NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/18 (2006.01); H01J 61/12 (2006.01); H01J 61/82 (2006.01);
U.S. Cl.
CPC ...
H01J 61/18 (2013.01); H01J 61/125 (2013.01); H01J 61/827 (2013.01);
Abstract
A lamp to produce white light includes an envelope; and a composition disposed in the envelope and including an initiator; a primary halide; and a secondary halide, wherein the primary halide, in a presence of the secondary halide, has a vapor pressure that is greater than a vapor pressure in an absence of the secondary halide, and the composition is configured to emit white light in a presence of an electrical discharge in the envelope.