Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1992-11-16
1994-07-26
Pascal, Robert J.
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
3151691, 315168, 313584, G09G 310
Patent
active
053329490
ABSTRACT:
A plasma display panel includes stripe-like anodes and barrier ribs on an upper face plate, first sustaining electrodes over the inner surface of a lower rear plate, and stripe-like cathodes on the first sustaining electrodes insulated from the first sustaining electrodes by interposing layers. The stripe-like cathodes are respectively connected to external capacitors via a common node and serve as second sustaining electrodes. In a driving method of the panel, the first sustaining electrode is supplied with a pulse varying from ground potential to a first positive potential, from the positive potential back to ground potential, and then from ground potential to a first negative potential. The second sustaining electrode is supplied with a pulse varying from ground potential to the first negative potential, from the first negative potential back to ground potential, and then from ground potential to the first positive potential. The anode is supplied with a writing pulse varying from a third positive potential to a fourth positive potential for data writing when the pulses of the first and second sustaining electrodes are both at ground potential. The cathode is supplied with a negative scanning pulse varying from a third negative potential to a fourth negative potential. The cathode is supplied with a negative erasing pulse having an amplitude equal to the different between the third and fourth potentials for erasing the written data after a predetermined time has elapsed. Thus, the durability of the plasma display panel can be improved.
REFERENCES:
patent: 4665345 (1987-05-01), Shionoya et al.
patent: 4754203 (1988-06-01), Murakami
patent: 4996460 (1989-08-01), Kim et al.
patent: 4999541 (1989-08-01), Kim et al.
patent: 5138225 (1991-05-01), Kim et al.
patent: 5144200 (1991-05-01), Kim
patent: 5210469 (1993-05-01), Kim
Pascal Robert J.
Philogene Haissa
Samsung Electron Devices Co. Ltd.
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