Insulative barrier useful in field emission displays for reducin

Details Insulative barrier useful in field emission displays for reducin Insulative barrier useful in field emission displays for reducin

1997-08-25

1998-11-03

O'Shea, Sandra

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

313309, 313351, 313495, H01J 116, H01J 1910, H01J 102, H01J 162

Patent

active

058313788

ABSTRACT:
A field emitter display having reduced surface leakage comprising at least one emitter tip surrounded by a dielectric region. The dielectric region is formed of a composite of insulative layers, at least one of which has fins extending toward the emitter tip. A conductive gate, for extracting electrons from the emitter tip, is disposed superjacent the dielectric region. The fins increase the length of the path that leaked electrical charge travels before impacting the gate.

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