AC-driven gas discharge display device having plural thin...

Details AC-driven gas discharge display device having plural thin... AC-driven gas discharge display device having plural thin...

2007-08-14

2007-08-14

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S493000, C313S505000, C313S509000

Reexamination Certificate

active

11205036

ABSTRACT:
In an AC-driven gas discharge display device and especially a plasma tube array type, a return path is provided for alternate discharge current flowing between X and Y driver circuits. The AC-driven gas discharge display device comprises a front-side, transparent substrate and a rear-side substrate sandwiching therebetween a plurality of thin discharge tubes arranged side by side; a plurality of pairs of display electrodes on an inner surface of the front-side substrate; and a plurality of address electrodes, in a direction transverse to the plurality of display electrodes, the rear-side substrate on an inner surface. Striped light-blocking, electrically conductive films are disposed on an outer surface of the front-side substrate at locations between respective ones of the pairs of display electrodes and coupled at their opposite ends to respective points of a common reference potential in the X- and Y-electrode driver circuits, respectively, to provide a return path for alternate discharge current.

REFERENCES:
patent: 7025649 (2006-04-01), Shinoda et al.
patent: 7088043 (2006-08-01), Min et al.
patent: 2004/0152389 (2004-08-01), Tokai et al.
patent: 2003-338245 (2003-11-01), None

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