Electron emission device and electron emission display...

Details Electron emission device and electron emission display... Electron emission device and electron emission display...

2006-11-21

2006-11-21

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S309000

Reexamination Certificate

active

07138760

ABSTRACT:
An electron emission device and/or display using the same includes a beam-focusing structure. The beam-focusing structure has a first insulating layer formed on a plate. The first insulating layer has a thickness, and is formed with a first hole. A first electrode is formed on the first insulating layer and extending into the first hole. An emission portion is formed in the first hole and connected to the first electrode. A second insulating layer is formed on the first electrode and is also formed with a second hole through which the emission portion is at least partially exposed. A second electrode is formed on the second insulating layer. In the electron emission device and/or the display, an electric field between the first electrode and the second electrode causes the emission portion to emit an electron beam and focuses the electron beam from the emission portion.

REFERENCES:
patent: 2005/0258739 (2005-11-01), Park et al.
patent: 2005/0264170 (2005-12-01), Oh
patent: 2001-126609 (2001-05-01), None
patent: 2003-303538 (2003-10-01), None
patent: 2002-32208 (2002-05-01), None
patent: 2002-0051592 (2002-06-01), None
Patent Abstract of Japan, Publication No. 2001-126609, Published on May 11, 2001, in the name of Ito, et al.
Patent Abstract of Japan, Publication No. 2003-303538, Published on Oct. 24, 2003, in the name of Niyama, et al.
Korean Patent Abstract, Publication No. 1020020051592 A, Published on Jun. 29, 2002, in the name of Cho, et al.

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