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. 12, 2002
Filed:
Mar. 27, 1997
Xueping Xu, Stamford, CT (US);
George R. Brandes, Danbury, CT (US);
Christopher J. Spindt, Menlo Park, CA (US);
Colin D. Stanners, San Jose, CA (US);
John M. Macaulay, Mountain View, CA (US);
Other;
Abstract
A cathode structure suitable for a flat-panel display contains an emitter layer ( ) divided into emitter lines, a plurality of electron emitters ( , or ) situated over the emitter lines, and a gate layer ( A) having an upper surface spaced largely above the electron emitters. The gate layer has a plurality of gate holes ( B) each corresponding to one of the electron emitters. The cathode structure further includes a carbon-containing layer ( , or ) coated over the electron emitters and directly on at least part of the upper surface of the gate layer such that at least part of the carbon-containing layer extending along and above the gate layer is exposed.