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. 10, 2000
Filed:
Sep. 28, 1998
Applicant:
Inventors:
Harold L Rothwell, Jr, Hopkinton, NH (US);
Thomas E Peters, Chelmsford, MA (US);
Jean M Evans, North Hampton, NH (US);
Anthony F Kasenga, Towanda, PA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315246 ; 315326 ; 313485 ; 313487 ;
Abstract
A neon gas discharge lamp is provided which produces an acceptable amber color emission for automotive applications. The red emission from the neon discharge when the lamp is operated in a pulsed mode is combined with a green emission from a substituted Y.sub.3 Al.sub.15 O.sub.12 :Ce phosphor coated on the interior surface of the lamp. The resulting amber emission meets both SAE and ECE amber color requirements. In particular, phosphor has the general formula: