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:
Mar. 11, 2003
Filed:
Jan. 08, 2001
Applicant:
Inventors:
Cathy Shaw Trumble, Newburyport, MA (US);
Mary Ann Johnson, Rockport, MA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/62 ; C09K 1/108 ; C03C 3/06 ; C03C 3/095 ;
U.S. Cl.
CPC ...
H01J 1/62 ; C09K 1/108 ; C03C 3/06 ; C03C 3/095 ;
Abstract
A luminescent nanophase binder is provided for use in UV and VUV applications. The binder promotes adherence of phosphor coatings to lamp envelopes and emits visible light under UV and VUV excitation. In a preferred embodiment, the binder comprises SiO nanoparticles doped with terbium or terbium and yttrium. Preferably, the nanoparticles have a particle size of less than 50 nm.