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:
Aug. 19, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Nalin Kumar, Austin, TX (US);
Chenggang Xie, Cedar Park, TX (US);
Assignee:
Microelectronics and Computer Technology Corporation, Austin, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313310 ; 313311 ; 313495 ; 3133 / ;
Abstract
A display device for use in conjunction with a computer system includes a cathode having a layer of conductive material and a layer of low-effective work function material deposited over the conductive material wherein the low-effective work function material has an emission surface comprising a plurality of distributed localized electron emission sites. The emission sites may have electrical properties which are discontinuous from each other. The emission surface may be relatively flat.