Method of driving display device

Details Method of driving display device Method of driving display device

1995-07-07

1998-06-02

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, 345 94, G09G 336

Patent

active

057607583

ABSTRACT:
A method of driving a display device having a plurality of signal electrode lines, a plurality of scanning electrode lines, and a display element and a 2-terminal type non-linear element connected to each other in series between each signal electrode line and each scanning electrode line, in which a selected period is divided into a writing period for charging the display element with more than a certain amount of charge through the 2-terminal type non-linear element and an erasing period following the writing period, and a second voltage which has a polarity reverse to that of the first voltage and does not erase the charge charged in the writing period is applied in the erasing period to turn on the display element. The after-images can be reduced significantly, and the tolerance of the second voltage required to obtain high-contrast can be broadened.

REFERENCES:
patent: 5379050 (1995-01-01), Annis et al.
patent: 5424753 (1995-06-01), Kitagawa et al.
patent: 5428370 (1995-06-01), Knapp et al.
patent: 5526013 (1996-06-01), Ono et al.

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