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:
Dec. 07, 1999
Filed:
Jan. 23, 1998
Applicant:
Inventors:
Assignee:
Futaba Denshi Kogyo K.K., Mobara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H05B / ;
U.S. Cl.
CPC ...
313506 ; 313504 ; 313510 ; 313503 ; 313507 ;
Abstract
A fixed pattern display device of the dynamic drive type with high definition including cathodes formed into a fine pattern by conventional photolithography. The cathodes are made of a metal material having a low resistance and arranged on an insulating substrate in the form of wiring patterns for fixed display segments of each of display patterns together with the display patterns. ITO which is resistant to water is exposed in the form of anodes each acting as a common electrode, resulting in arrangement of any protective film being eliminated.