Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2011-08-02
2011-08-02
Hines, Anne (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S497000
Reexamination Certificate
active
07990043
ABSTRACT:
A field emission cathode structure includes a dielectric layer, a field emission unit, a grid electrode, and a conductive layer. The dielectric layer is positioned on the insulating substrate and defines a cavity. A field emission unit is attached on the cathode electrode and received in the cavity of the dielectric layer. The field emission unit is electrically attached to the cathode electrode. The grid electrode is located on the dielectric layer, and electrons emitted from the field emission unit emit through the grid electrode. The conductive layer is electrically attached to the grid electrode and insulated from the field emission unit. A field emission display device using the above-mentioned field emission cathode structure is also provided.
REFERENCES:
patent: 2002/0167266 (2002-11-01), Hirasawa et al.
patent: 2004/0135490 (2004-07-01), Lee et al.
patent: 2005/0264165 (2005-12-01), Ryu
Cai Qi
Du Bing-Chu
Fan Shou-Shan
Hao Hai-Yan
Liu Liang
Bonderer D. Austin
Hines Anne
Hon Hai Precision Industry Co. Ltd.
Tsinghua University
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