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:
Jan. 16, 1979
Filed:
Sep. 16, 1977
Applicant:
Inventors:
Richard M Klein, Framingham, MA (US);
William F Nelson, Weston, MA (US);
Romano G Pappalardo, Sudbury, MA (US);
Leslie A Riseberg, Sudbury, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 106 / ;
Abstract
A luminescent glass comprising a host material consisting essentially of 25 to 36 mole percent Al.sub.2 O.sub.3, the balance P.sub.2 O.sub.5, and which is doped with cerium and terbium. The glass is an efficient emitter of visible radiation, predominantly green, when excited by ultraviolet radiation.