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.

Date of Patent:
Aug. 02, 2016

Filed:

Dec. 23, 2013
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Fangming Du, Northfield, OH (US);

Alok Mani Srivastava, Niskayuna, NY (US);

William Winder Beers, Chesterland, OH (US);

William Erwin Cohen, Solon, OH (US);

Assignee:

GENERAL ELECTRIC COMPANY, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); B32B 9/04 (2006.01); F21V 9/16 (2006.01); H01J 61/44 (2006.01); C09D 5/32 (2006.01); H01J 61/46 (2006.01);
U.S. Cl.
CPC ...
C09K 11/025 (2013.01); B32B 9/04 (2013.01); C09D 5/32 (2013.01); F21V 9/16 (2013.01); H01J 61/44 (2013.01); H01J 61/46 (2013.01);
Abstract

Coating systems suitable for use in fluorescent lamps, particularly as scattering agents within a UV-reflecting coating for the purpose of improving fluorescent lamp luminosity. Such a coating system is provided on a transparent or translucent substrate and includes a phosphor coating and a scattering agent that scatters UV rays. The scattering agent includes an inorganic powder present in a separate UV-reflecting layer adjacent the phosphor coating and/or dispersed in the phosphor coating so that the scattered UV rays are absorbed by the phosphor coating and cause the phosphor coating to emit visible light. The inorganic powder exhibits low or no absorption to UV rays having wavelengths of 185 nm and 254 nm and is not reactive with mercury.


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