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:
Jun. 22, 1982
Filed:
Apr. 03, 1981
Applicant:
Inventors:
Thomas E Peters, Chelmsford, MA (US);
James R McColl, Concord, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; H01J / ;
U.S. Cl.
CPC ...
428691 ; 2523 / ; 313467 ;
Abstract
Luminescent materials comprising solid solutions of lithium zinc fluoride and zinc silicate activated with manganese and, optionally, arsenic having improved brightness, persistence, and crystallinity over prior art P-1 or P-39 phosphors are disclosed. A method of formulating these phosphors, and cathodoluminescent screens employing these phosphors are also disclosed.