Field emission display with self-aligned grid

Details Field emission display with self-aligned grid Field emission display with self-aligned grid

1997-04-04

1999-04-06

O'Shea, Sandra

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 313495, H01J 130, H01J 1924

Patent

active

058923209

ABSTRACT:
A field emission display includes a substrate (400) having a trench (402) formed therein, an emitter (418) formed in the trench (402), a dielectric layer (412) disposed on the substrate (400), and a grid material layer (406) disposed on the dielectric layer (412). The dielectric layer (412) is exposed by a planarization method. Consequently, the emitter (418) is necessarily aligned with the opening in the grid material layer (406). An electric field applied to the grid material layer (406) activates emitter (418) to emit electrons (416) to strike a faceplate (414).

REFERENCES:
patent: 4766340 (1988-08-01), Van Der Mast et al.
patent: 5620350 (1997-04-01), Takemura

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