Flat lamp device with multi electron source array

Details Flat lamp device with multi electron source array Flat lamp device with multi electron source array

2005-08-10

2008-11-04

Williams, Joseph L. (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S495000, C313S309000, C313S310000, C313S336000, C313S351000

Reexamination Certificate

active

07446469

ABSTRACT:
A flat lamp device includes lower and upper glass plates facing each other in parallel; spacers interposed between the plates to keep a distance therebetween; a cathode electrode singly formed over the entire upper surface of the lower glass plate; an insulation film formed on the cathode electrode; semiconductor films independently patterned on the insulation at intervals; a catalyst metal layer laminated on a buffer metal layer to improve adhesive force of the catalyst metal formed on the semiconductor films; carbon nano-tubes formed on the catalyst metal layer; a grid electrode installed above the carbon nano-tubes between the plates to guide electron emission from the carbon nano-tubes with a mesh shape having an opening for passage of the emitted electrons; an anode electrode formed below the upper glass plate to accelerate the emitted electrons; and a fluorescent layer formed on a lower surface of the anode electrode.

REFERENCES:
patent: 6933664 (2005-08-01), Kitamura et al.
patent: 7161285 (2007-01-01), Okamoto et al.
patent: 2002/0079802 (2002-06-01), Inoue et al.

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