Matrix display device comprising two groups of row electrodes an

Details Matrix display device comprising two groups of row electrodes an Matrix display device comprising two groups of row electrodes an

1987-07-29

1988-11-01

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340784, G09G 320

Patent

active

047823372

ABSTRACT:
A matrix display device and control therefore applicable to liquid crystal displays incorporates two groups of row electrodes and two column electrodes per image element. Each row conductor is connected by k.times.m switches to m groups of k parallel electrodes of a first family and to m groups of k parallel electrodes of a second family which alternate with one another, in such a way that each switch is connected to an electrode of the first family, to an electrode of the second family and to the row conductor. An image element is defined by the overlap zone of two column conductors of a first and a second family with two groups respectively of k electrodes of a first and a second family connected by k switches to the corresponding row conductor.
Application to liquid crystal display means.

REFERENCES:
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patent: 4626072 (1986-12-01), Clerc et al.
patent: 4651148 (1987-03-01), Takeda et al.
Proceedings of the Society for Information Display, S. Bisotto, Patent Abstracts of Japan (Nippon Denki K.K.).
Sid International Symposium Digest of Technical Papers, C. Kornfeld.

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