Electron emission device and display using the same

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

1998-03-09

2000-02-08

Patel, Ashok

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

313309, 313495, 313497, H01L 3300, H01J 130

Patent

active

060231254

ABSTRACT:
An electron emission device exhibits a high electron emission efficiency. The device comprises 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 electron emission device emits electrons when an electric field is applied between the electron supply layer and the thin-film metal electrode. The insulator layer is a dielectric layer having a thickness of 50 nanometers or more, and formed by a vacuum evaporation process with a layer forming rate of 0.5 to 100 nanometers/minute.

REFERENCES:
patent: 5760538 (1998-06-01), Mitsutake et al.
patent: 5838097 (1998-11-01), Kasanuke et al.
"Flat Display Based on the Metal-Insulator-Metal Emitter Array" Journal of Vacuum Science and Technology: Part B, vol. 11, No. 2, Mar., 1993, Troyan et al., pp. 514-517.
"A Hot Electron, Cold Cathode, Emitter", Verderber et al., The Radio and Electronic Engineer, vol. 33, Jun. 1967, pp. 347-351.
European Search Report.

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