Computer graphics processing and selective visual display system – Display driving control circuitry – Waveform generator coupled to display elements
Reexamination Certificate
2007-12-25
2007-12-25
Lefkowitz, Sumati (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Waveform generator coupled to display elements
C345S060000, C315S169400
Reexamination Certificate
active
10850437
ABSTRACT:
The present invention relates to a plasma display panel, and more specifically, a method and an apparatus for driving a plasma display panel. According to the present invention, a method for driving a plasma display panel in which pluralities of first electrodes and second electrodes are arranged parallel and to each other adjacently on an upper substrate, a plurality of third electrodes is arranged to cross the pairs of first and second electrodes at electrode crossing areas and define corresponding discharge cells at the electrode crossing areas on an lower substrate, wherein said method for driving a plasma display panel comprises steps of: forming wall charges on the upper and lower substrate by applying first rising ramp waveform to said first electrodes during a first period of a reset period; erasing partly the wall charges which are formed on the upper substrate by applying second rising ramp waveform to said second electrodes during a second period of a reset period; erasing partly the wall charges which are formed on the upper and lower substrates by applying falling ramp waveform to said first and second electrodes during a third period of a reset period; selecting the discharge cells by applying data voltage to said third electrodes and applying scan voltage to said first electrodes during a address period; and displaying an image on screen by applying sustain voltage to said first and second electrodes alternatively during a sustain period.
REFERENCES:
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patent: 2004/0090395 (2004-05-01), Park
Kim Jung Hun
Kim Oe Dong
Ked & Associates LLP
Lefkowitz Sumati
Moon Seoyun
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