Large-area color AC plasma display employing dual discharge site

Details Large-area color AC plasma display employing dual discharge site Large-area color AC plasma display employing dual discharge site

1997-09-29

1998-12-22

Wong, Don

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

313582, 345 55, G09F 900

Patent

active

058523472

ABSTRACT:
An AC PDP incorporating the invention includes a first substrate having plural elongated address electrode structures, which include sets of color phosphors. A second substrate is opposed to the first substrate and encloses a dischargeable gas therebetween. The second substrate supports a plurality of scan electrode structures that are orthogonally oriented to the address electrode structures. Each scan electrode structure includes a scan loop with a first trace and a second trace and a plurality of sustain electrode structures that are interdigitated with the scan electrode structures, each sustain electrode structure including a first trace and a second trace. Address circuitry selectively applies address signals to the address electrode structures and scan circuitry applies a scan voltage to the scan electrode structures. Gas discharges occur at intersections between address electrode structures and both traces of a scan loop to which the scan voltage is applied, so as to create wall charges and dual subpixel sites for each color subpixel. Thereafter, a sustain signal applied to the sustain electrode causes discharges at each of the dual subpixel sites at which wall charges exist. Increased light and resolution are the result of the dual subpixel discharge sites.

REFERENCES:
patent: 4728864 (1988-03-01), Dick
patent: 4772884 (1988-09-01), Weber et al.
patent: 4866349 (1989-09-01), Weber et al.
patent: 4924218 (1990-05-01), Weber et al.
Sid 93 Digest, pp. 161-164, T. Shinoda et al., "Invited Address: Development of Technologies for Large-Area Color ac Plasma Displays".

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