Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-01-09
2009-08-11
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S063000, C345S169000
Reexamination Certificate
active
07573440
ABSTRACT:
In a plasma display device comprising: plural first, second, and third electrodes disposed adjacently and extending in a first direction, the third electrodes being provided between the first and second electrodes for repeating discharges; a dielectric layer covering the electrodes; a first electrode driving circuit for driving the first electrodes; a second electrode driving circuit for driving the second electrodes; and a third electrode driving circuit for driving the third electrodes, grayscale display is performed by a sub-field method, and the third electrodes are set to have a potential approximately the same as that of the first or second electrode at the discharge in the repetitive discharges. In this plasma display device, the third electrode driving circuit makes the third electrode operate as an anode at least once at least in one sub-field from minimum luminance and makes it operate as a cathode in the rest thereof.
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Itokawa Naoki
Kobayashi Takayuki
Sasaki Takashi
Antonelli, Terry Stout & Kraus, LLP.
Fujitsu Hitachi Plasma Display Limited
Hjerpe Richard
Said Mansour M
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