Method and device for driving plasma display panel

Details Method and device for driving plasma display panel Method and device for driving plasma display panel

2005-03-22

2005-03-22

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S055000, C345S041000

Reexamination Certificate

active

06870521

ABSTRACT:
The present invention provides a plasma display driving method and driving device which can improve image display contrast. The method comprises an address step for shifting the discharge cells into an emission enable state when the discharge cells corresponding to each pixel of the plasma display panel are in an emission disable state, by selectively causing the discharge cells to perform a selective writing discharge in accordance with the pixel data of each pixel, based on a video signal, thus generating wall charges in the discharge cells; and, on the other hand, when the discharge cells are in an emission enable state, shifting the discharge cells into an emission disable state by selectively causing the discharge cells to perform a selective erasing discharge in accordance with the pixel data, thus erasing the wall charges in the discharge cells; and an emission sustain step for causing only those discharge cells which are in the emission enable state to emit light repeatedly.

REFERENCES:
patent: 4349819 (1982-09-01), Terakawa
patent: 5943032 (1999-08-01), Nagaoka et al.
patent: 5973655 (1999-10-01), Fujisaki et al.
patent: 6614413 (2003-09-01), Tokunaga et al.
patent: 6724356 (2004-04-01), Kojima et al.
patent: 6816135 (2004-11-01), Ide et al.

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