Electron-emitting device, electron source, image display...

Details Electron-emitting device, electron source, image display... Electron-emitting device, electron source, image display...

2007-06-12

2007-06-12

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

Discharge devices having an electrode of particular material

C313S495000

Reexamination Certificate

active

11106636

ABSTRACT:
In an electron-emitting device having a pair of electroconductors arranged on a substrate at an interval, a top of one electroconductor is higher than that of the other electroconductor and a groove extending from the interval region toward a position under a region where the one electroconductor is come into contact with the substrate is formed on the substrate. Deterioration of the electron-emitting device due to collision of charged particles is suppressed by the asymmetrical electron-emitting region, electron-emitting efficiency is improved, and a long life is realized.

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