Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2005-07-05
2005-07-05
Eisen, Alexander (Department: 2674)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S060000, C315S169400
Reexamination Certificate
active
06914585
ABSTRACT:
A method for driving a plasma display panel is provided in which initialization is performed securely and the background light emission is reduced. As an operation for the initialization, an obtuse waveform pulse is applied to all cells three times. In the first obtuse waveform pulse application, discharge is generated only in the previously lighted cell, so that the wall voltage thereof approaches the wall voltage in the previously unlighted cell. In the second obtuse waveform pulse application, discharge is generated in the previously lighted cell and in the previously unlighted cell, so that the wall voltage in these cells changes to a value within an appropriate range. In the third obtuse waveform pulse application, discharge is generated in the previously lighted cell and in the previously unlighted cell, so that the wall voltage of these cells changes to a preset value.
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Eisen Alexander
Fujitsu Limited
Staas & Halsey , LLP
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