Electron emission device and display device using the same

Details Electron emission device and display device using the same Electron emission device and display device using the same

1998-05-14

2000-11-07

Patel, Ashok

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313497, 313308, H01J 102

Patent

active

061441554

ABSTRACT:
An electron emission device exhibits a high electron emission efficiency. The device includes an electron supply layer of metal or semiconductor, an insulator layer formed on the electron supply layer, and a thin-film metal electrode formed on the insulator layer. The insulator layer is formed by oxidation or nitriding process of the electron supply layer and has a film thickness of 50 nm or greater. When an electric field is applied between the electron supply layer and the thin-film metal electrode, the electron emission device emits electrons.

REFERENCES:
patent: 3447045 (1969-05-01), Hickmott
patent: 5962959 (1999-10-01), Iwasaki et al.

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