Field emission cathode device and display using the same

Details Field emission cathode device and display using the same Field emission cathode device and display using the same

2010-04-30

2011-10-04

Hines, Anne (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S497000

Reexamination Certificate

active

08030837

ABSTRACT:
A field emission cathode device includes an insulative substrate, a plurality of cathode electrodes, and a plurality of electron emission units. The insulative substrate has a top surface and a bottom surface. The insulative substrate defines a plurality of openings. The cathode electrodes are located on the bottom surface. Each of the electron emission units has a first portion secured between the insulative substrate and one corresponding cathode electrode and a second portion received in one corresponding opening.

REFERENCES:
patent: 2005/0221710 (2005-10-01), Shiroishi et al.
patent: 2006/0175950 (2006-08-01), Itou et al.
patent: 2006/0261725 (2006-11-01), Lee
patent: 2007/0284987 (2007-12-01), Liu et al.

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