Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent
1995-12-18
1998-06-09
Patel, Nimeshkumar
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
313583, G09F 935
Patent
active
057640017
ABSTRACT:
A flat display device, preferably of the PALC type, in which the plasma channels are formed by etching in a substrate laterally-spaced channels and bonding a thin dielectric sheet over the etched substrate. Adjoining each of the channels are shallow ledges, also formed by etching, which serve as recessed areas to receive enlarged ends serving as contact pads for each of the electrodes. Holes are formed in the thin dielectric sheet and contact material deposited on the bonded thin dielectric sheet such that the deposited material makes electrical contact with the underlying electrode contact pads and seals off the holes, which allows a plasma-forming atmosphere to be provided in the channels. This arrangement results in a glass-to-glass interface between the substrate and the thin dielectric sheet, which allows anodic bonding to be employed to assemble the two elements and thus eliminates the frit glass sealing process required in other constructions.
REFERENCES:
patent: 5377029 (1994-12-01), Lee et al.
patent: 5499122 (1996-03-01), Yano
patent: 5525862 (1996-06-01), Miyazaki
patent: 5596431 (1997-01-01), Bongaerts et al.
Bongaerts Petrus F. G.
Bruinink Jacob
Burgmans Adrianus L. J.
Khan Babar Ali
Kuijk Karel Elbert
Fox John C.
Patel Nimeshkumar
Philips Electronics North America Corporation
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