Field emission device and field emission display including...

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube

Reexamination Certificate

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Details

C313S497000, C313S309000, C313S336000, C313S351000

Reexamination Certificate

active

11059437

ABSTRACT:
A field emission device and a field emission display (FED) having dual cathode electrodes. The field emission device includes a substrate; a first cathode electrode formed on the substrate; a cathode insulating layer formed on the first cathode electrode, and having a first cavity that exposes a portion of the first cathode electrode; an electron emission source disposed on the first cathode electrode and being exposed by the first cavity; a second cathode electrode formed on the cathode insulating layer, and including a cathode hole aligned with the first cavity; a gate insulating layer formed on the second cathode electrode, and having a second cavity aligned with the first cavity; and a gate electrode formed on the gate insulating layer, and having a gate hole aligned with the second cavity.

REFERENCES:
patent: 5148078 (1992-09-01), Kane
patent: 5969467 (1999-10-01), Matsuno
patent: 6057636 (2000-05-01), Sakai et al.
patent: 6741016 (2004-05-01), Benning et al.
patent: 8-222122 (1996-08-01), None

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