Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2005-09-06
2005-09-06
Shankar, Vijay (Department: 2673)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S066000
Reexamination Certificate
active
06940475
ABSTRACT:
A driving method, able to realize a PDP device having a reduced background luminance and high display quality, has been disclosed. The driving method is a method for driving a plasma display panel consisting of plural display electrodes forming pairs of electrodes, plural address electrodes, and display cells formed at the intersections of the pairs of electrodes and the address electrodes, comprising an initialization period, an address period, a charge form period during which a charge form pulse is applied to the pair of electrodes, and a sustain discharge period during which a sustain discharge light emission is caused to occur, wherein the initialization period comprises a write period during which first amount of charges is accumulated in the display cells and a charge adjust period during which the amount of charges accumulated during the write period is adjusted to second amount of charges, and wherein the voltage to be applied to the pair of electrodes is an inclined wave-shaped charge adjust pulse, the voltage of which varies gradually and the absolute value of the voltage of the charge form pulse is greater than the absolute value of the voltage of the sustain discharge pulse.
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Hirakawa Hitoshi
Ito Eiji
Nishimura Satoru
Shiizaki Takashi
Tanaka Shinsuke
Fujitsu Hitachi Plasma Display Limited
Patel Nitin
Shankar Vijay
Staas & Halsey , LLP
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