Electron beam apparatus and image display apparatus using...

Details Electron beam apparatus and image display apparatus using... Electron beam apparatus and image display apparatus using...

2011-02-08

2011-02-08

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

C313S495000, C313S310000

Reexamination Certificate

active

07884533

ABSTRACT:
The present invention provides an electron beam apparatus provided with an electron-emitting device which has a simple structure, shows high electron-emitting efficiency and stably works. This electron beam apparatus has an insulating member and a gate formed on a substrate, a recess portion formed in the insulating member, a protruding portion that protrudes from an edge of the recess portion toward the gate and is provided on an end part of a cathode opposing to the gate, which is arranged on the side face of the insulating member; and makes an electric field converge on an end part in the width direction of the protruding portion to make an electron emitted therefrom.

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European Search Report issued in the counterpart application No. 09156252.0 dated Jun. 1, 2010—8 pages.

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