Amorphic diamond film flat field emission cathode

Details Amorphic diamond film flat field emission cathode Amorphic diamond film flat field emission cathode

1995-06-07

1997-10-07

Mancuso, Joseph

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313491, H01J 116, H01J 1910, H01J 162, H01J 6304

Patent

active

056752164

ABSTRACT:
A field emission cathode for use in flat panel displays is disclosed comprising a layer of conductive material and a layer of amorphic diamond film, functioning as a low effective work-function material, deposited over the conductive material to form emission sites. The emission sites each contain at least two sub-regions having differing electron affinities. Use of the cathode to form a computer screen is also disclosed along with the use of the cathode to form a fluorescent light source.

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