Electro-optical display device

Details Electro-optical display device Electro-optical display device

1978-12-21

1981-06-02

Bauer, Edward S.

Horology: time measuring systems or devices

Cases

Adaptable

350374, 350334, 368 30, 368242, G02F 1133

Patent

active

042708460

ABSTRACT:
An electro-optical display device comprises electro-optical material sandwiched between a pair of substrates each having formed thereon electrodes. The electrodes on one substrate comprise a segment display electrode part comprised of a plurality of seven-segment electrodes, and a dot matrix display electrode part comprised of a plurality of parallel linear electrodes. The electrodes on the other substrate comprise a complementary counter electrode part corresponding to the segment display electrode part, and a complementary counter electrode part comprised of a plurality of parallel linear electrodes perpendicularly intersecting the linear electrodes formed on the other substrate. The electrode leads which are connected to some of the seven-segment electrodes also comprise some of the linear electrodes of the dot matrix display thereby reducing the overall number of separate electrodes and enabling construction of a more simple display device.

REFERENCES:
patent: 3731986 (1973-05-01), Fergason
patent: 3738099 (1973-06-01), Tanaka
patent: 3922842 (1975-12-01), Fujita
patent: 4020627 (1977-05-01), Yoshida et al.

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