Field emission device, display adopting the same and method...

Details Field emission device, display adopting the same and method... Field emission device, display adopting the same and method...

2007-09-11

2007-09-11

Bruce, David (Department: 2809)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S309000, C313S311000, C313S351000, C445S049000, C445S051000

Reexamination Certificate

active

11002242

ABSTRACT:
A field emission device manufactured by the disclosed method and employed in a display unit includes a glass substrate, an emitter electrode formed on the glass substrate, a carbon nanotube (CNT) emitter formed on the emitter electrode, and a gate stack formed around the CNT emitter. Electron beams are extracted from the CNT emitter and the extracted electron beams are focused onto a given position. The gate stack includes a mask layer that covers the emitter electrode provided around the CNT emitter, a gate insulating layer and a gate electrode sequentially formed on the mask layer, a focus gate insulating layer having double inclined planes facing the CNT emitter on the gate electrode, and focus gate electrode coated on the focus gate insulating layer.

REFERENCES:
patent: 5920151 (1999-07-01), Barton et al.
patent: 7132304 (2006-11-01), Choi et al.
patent: 7173366 (2007-02-01), Choi et al.
patent: 2004/0080260 (2004-04-01), Park et al.

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