Display device having a connecting portion between cathode...

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube

Reexamination Certificate

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C313S495000, C313S496000

Reexamination Certificate

active

10781695

ABSTRACT:
A display device includes a face substrate which has anodes and phosphors on an inner surface thereof, a back substrate which has cathode lines and electron sources formed on the cathode lines, a support body which is interposed between both substrates such that the support body surrounds a display region and forms a given inner space, and a sealing material which hermetically seals the support body and both substrates. To enable the display device to produce a high quality display and have a long lifetime while ensuring the conduction in a wide range between the cathode lines and the electron sources, the cathode lines are made of a material having a conductor and an insulator, and the composition of a connecting portion between the cathode line and the electron source is formed such that the conductor occupancy rate becomes equal to or more than the insulator occupancy rate.

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patent: 6239547 (2001-05-01), Uemura et al.
patent: 6664727 (2003-12-01), Nakamoto
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patent: 6930748 (2005-08-01), Moon
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“Large Size FED with Carbon Nanotube Emitter”, Sashiro Uemura et al, SID 02 Digest (2002), pp. 1132-1135.
“Fully sealed high-brightness carbon-nanotube field-emission display”, W.B. Choi et al, Appl. Phys. Lett. vol. 75, No. 20, (1999), pp. 3129-3131.

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