Plasma display device and method for driving the same

Details Plasma display device and method for driving the same Plasma display device and method for driving the same

2008-04-15

2008-04-15

Shankar, Vijay (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S062000, C345S063000, C345S066000, C345S067000, C345S068000

Reexamination Certificate

active

07358931

ABSTRACT:
A plasma display device is provided which is capable of expanding an ensured operating temperature range or operating life time even at time of changes of a driving margin induced by a panel temperature or cumulative operating time of the panel. Display is controlled in a scanning period during which writing discharge is made to occur in a cell, in a sustaining period during which a cell having undergone writing discharge is turned ON for displaying, and in an initializing period during which wall charges in a cell and space charges accumulated before the scanning period starts are initialized. A wall charge adjusting period during which a potential difference between scanning electrodes and data electrodes varies gradually is set and a change rate of a potential between scanning electrodes and data electrodes during the wall charge adjusting period is changed according to the panel temperature and/or cumulative operating time of the panel.

REFERENCES:
patent: 6717557 (2004-04-01), Ishizuka
patent: 6954187 (2005-10-01), Mizobata et al.
patent: 7012580 (2006-03-01), Mizobata
patent: 9-6283 (1997-01-01), None
patent: 2002-207449 (2000-07-01), None

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