Electron emission device

Details Electron emission device Electron emission device

2007-03-06

2007-03-06

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S292000, C313S238000

Reexamination Certificate

active

11153714

ABSTRACT:
An electron emission display device includes first and second substrates facing each other with a predetermined distance therebetween, an electron emission unit formed at the first substrate, and an image display unit formed at the second substrate. A grid electrode is disposed between the first and the second substrates and has a plurality of beam guide holes arranged in a first predetermined pattern, and spacer insertion holes arranged in a second predetermined pattern. Spacers are inserted into the respective spacer insertion holes of the grid electrode, and are fitted between the first and the second substrates. The size of each of the spacer insertion holes is larger than the outer size of each of the spacers.

REFERENCES:
patent: 6342754 (2002-01-01), Kuroda et al.
patent: 6891320 (2005-05-01), Nakamoto
patent: 2003/0197459 (2003-10-01), Takenaka et al.
patent: 2004/0135493 (2004-07-01), Park et al.
patent: 2001081496 (2001-08-01), None
Geometric Dimensioning and Tolerancing Definitions: http://www.engineersedge.com/gdt.htm.

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