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:
Sep. 05, 1995
Filed:
Sep. 30, 1993
Applicant:
Inventor:
Hiroshi Komatsu, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313495 ; 313309 ; 313336 ; 313351 ;
Abstract
An array field emitter device utilizes field emission devices disposed in a matrix or array each comprising an opening in an insulating layer with an upwardly extended cathode with a tip disposed centrally within the opening and a gate electrode substantially concentric with each the cathode tip and having a lip extending into the opening forming a downwardly descending lip projection. Such an array display device can be of the multiplex driven type or can be of the active matrix type.
Quick Actions:
Komatsu, Hiroshi. (1995). Array field emission display device utilizing field emitters with (U.S. Patent No. 5448132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5448132
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