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:
Jul. 10, 1990
Filed:
Nov. 03, 1988
Applicant:
Inventors:
Michel Borel, Le Touvet, FR;
Jean-Francois Boronat, Grenoble, FR;
Robert Meyer, St Nazaire les Eymes, FR;
Philippe Rambaud, Claix, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
313306 ; 313309 ; 313336 ; 313351 ; 313444 ;
Abstract
Electron source with micropoint emissive cathodes and display means by cathodoluminescence excited by field emission and using said source. Each cathode (5) comprises an electrically conductive layer (22) and micropoints (12) and, according to the invention, a continuous resistive layer (24) is provided between the conductive layer and the micropoints. The display means comprises a cathodoluminescent anode (16) facing the source.
Published as:
FR2623013A1; EP0316214A1; JPH01154426A; KR890008886A; US4940916A; EP0316214B1; DE3877902D1; DE3877902T2; JPH07118259B2; US4940916B1; KR970005760B1;