Method and apparatus of driving plasma display panel

Details Method and apparatus of driving plasma display panel Method and apparatus of driving plasma display panel

2005-07-08

2009-08-25

Abdulselam, Abbas I (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

07580008

ABSTRACT:
A method of driving a plasma display panel (PDP) and an apparatus for carrying out the method. The PDP includes address electrodes with first electrodes and second electrodes intersecting the address electrodes. Gray-scale levels being represented by combinations of sub-fields, each sub-field having a reset period, an address period, and a sustain-discharge period. The different gray scales are achieved not only by modifying the voltage waveforms in the sustain-discharge period but also by modifying the voltage waveforms in the reset period, allowing for better control over gray scales and better contrast. Different sub-fields can have different voltages applied during the reset period which affects the luminance of the image displayed. A circuit for making the above voltage waveforms is also presented.

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Japanese Office Action in corresponding Japanese Patent Application No. 2005-170742 issued on Dec. 16, 2008.

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