Method and device for driving a matrix type liquid crystal displ

Details Method and device for driving a matrix type liquid crystal displ Method and device for driving a matrix type liquid crystal displ

1974-01-04

1976-02-10

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

350160LC, G06F 314

Patent

active

039381366

ABSTRACT:
A method and device for driving a matrix type liquid crystal display element, wherein an alternating voltage .-+.1/6V.sub. O of one-sixth times as great as a selected voltage V.sub.O is applied to a non-selected X line, an alternating voltage .+-.1/6V.sub. O opposite in phase to the alternating voltage applied to the non-selected X line is applied to a non-selected Y line, an alternating voltage .+-.1/2V.sub.O opposite in phase to the alternating voltage applied to the non-selected X line is applied to a selected X line, and an alternating voltage .-+.1/2V.sub.O opposite in phase to the alternating voltage applied to the selected X line is applied to a selected Y line, whereby an alternating voltage of .+-. V.sub.O is applied to a selected dot at an intersection of the selected X and Y lines.

REFERENCES:
patent: 3653745 (1972-04-01), Mao
patent: 3654606 (1972-04-01), Marlowe et al.
patent: 3824580 (1974-07-01), Bringol

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