Plasma display having specific substrate and barrier ribs

Details Plasma display having specific substrate and barrier ribs Plasma display having specific substrate and barrier ribs

1998-03-13

2000-10-31

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

313581, 313567, H01J 1749

Patent

active

061407674

ABSTRACT:
A plasma display having a transparent front panel spaced from a back panel which is a metal core having layers of a dielectric material extending over and bonded to the core. Conductive electrodes are on the surface of or imbedded in the dielectric layer of the back panel. The materials of which the back panel is made are chosen to form a back panel having a thermal coefficient of expansion compatible with that of the front panel. The dielectric material is made from a green ceramic tape which is bonded to the core and cofired with the core to form the back panel. Barrier ribs are formed on the back panel by embossing or scribing the green tape before cofiring the bonded assembly. Slight differences in the TCEs of the front and back panels may be compensated for by heating the panel having the lower TCE to a temperature hotter than the panel having the lower TCE during the frit seal process. Alternatively, the materials for the dielectric may be chosen such that the composite TCE of the cofired assembly matches the TCE of the front panel.

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