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. 07, 1989
Filed:
Dec. 21, 1987
Applicant:
Inventors:
John F McKenna, Newburyport, MA (US);
Jeff Witzel, Bedford, NH (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H01J / ;
U.S. Cl.
CPC ...
313509 ; 313512 ; 445 43 ; 445 53 ;
Abstract
Perfluorinated inert liquids are used as the protective fill fluid in thin film electroluminescent (TFEL) flat panel displays according to the present invention. These fluids enhance panel aging and life test characteristics. Novel filling methods are also described.