Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2005-05-18
2009-02-03
Ton, Toan (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S495000
Reexamination Certificate
active
07486015
ABSTRACT:
A Field Emission Display (FED) includes: a first substrate; a first insulating layer arranged on the first substrate; a cathode arranged on the first substrate to cover the first insulating layer, the cathode having a first concave opening arranged between portions thereof covering the first insulating layer: a second insulating layer arranged on the first substrate and the cathode, the second insulating layer having a second opening connected to the first opening to expose a portion of the cathode; a gate electrode arranged on the second insulating layer, the gate electrode having a third opening connected to the second opening; a plurality of emitters arranged on the cathode in the first opening and along both edges of the first opening and spaced apart from each other; and a second substrate facing the first substrate and spaced apart therefrom and having an anode and a fluorescent layer arranged on a surface thereof.
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patent: 6437503 (2002-08-01), Konuma
patent: 2004/0004429 (2004-01-01), Oh et al.
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U.S. Appl. No. 11/131,413, filed May 2005, Tae-Sik Oh.
Bushnell , Esq. Robert E.
Hanley Britt
Samsung SDI & Co., Ltd.
Ton Toan
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