Patent · US Expired

Flat panel display device having planar field emission source

US6617798B2 · kind B2 · utility

14Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 2001
Grant dateSep 9, 2003
Priority date
Expiry dateOct 2, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/952
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A flat panel display includes a back plate, gate electrode and cathode electrodes disposed on the back plate and insulated from each other by an insulating layer, a planar field emission source formed of carbonaceous material disposed on the cathode electrode, a grid plate provided with a plurality of apertures corresponding to a pixel area and spaced from the back plate, first and second grid electrodes formed on each surface of the grid plate, respectively, and a faceplate spaced from the grid plate and a screen formed on one surface thereof facing the grid plate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.