AC plasma display with precise relationships in regards to order

Details AC plasma display with precise relationships in regards to order AC plasma display with precise relationships in regards to order

1998-03-20

2000-08-01

Saras, Steven J.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345148, G09G 328, G09G 510

Patent

active

060973587

ABSTRACT:
A method for driving an AC-driven PDP to produce gradation display by dividing a field into at least three sub-fields in time sequence, each of the sub-fields having a weighted luminance and being provided with an address period for selecting a cell to emit light for display and a sustain period for sustaining a light-emitting state. The method includes the steps of grouping the sub-fields into at least two sub-field groups, carrying out a charge forming operation, as preparation for addressing, directly before each of the sub-field groups so as to form wall charge necessary for sustaining the light-emitting state in all cells on an entire screen, and carrying out an erase addressing, in the address period of each of the sub-fields, for erasing the wall charge in a cell which need not emit light.

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Patent Abstracts of Japan, vol. 95, No. 5, Jun. 30, 1995 for JP 07049663 (NEC Corp.), Feb. 21, 1995.

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