Electron emission device with electron emission region on...

Details Electron emission device with electron emission region on... Electron emission device with electron emission region on...

2007-06-26

2007-06-26

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S496000, C313S497000, C313S311000

Reexamination Certificate

active

11067246

ABSTRACT:
An electron emission device includes a cathode substrate and an anode substrate facing each other that are separated from each other by a predetermined distance to form a vacuum vessel. An electron emission unit is disposed on the cathode substrate to emit electrons, and a light emission unit is disposed on the anode substrate to emit light caused by the electrons for displaying desired images. In more detail, a gate electrode is arranged on the cathode substrate to correspond to the center of a pixel area of the electron emission device, a cathode electrode is arranged on an outer portion of the gate electrode while insulated from the gate electrode, and an electron emission region is arranged on the cathode electrode.

REFERENCES:
patent: 5982091 (1999-11-01), Konishi
patent: 6621232 (2003-09-01), Jo et al.
patent: 2004/0251813 (2004-12-01), Okai et al.
patent: 2005/0067938 (2005-03-01), Sheu et al.

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