Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

1976-02-02

1978-09-12

Corbin, John K.

Communications: electrical

Land vehicle alarms or indicators

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

340336, G02F 113, G08B 536

Patent

active

041133617

ABSTRACT:
A liquid crystal display device comprising a liquid crystal display panel having a liquid crystal on the one side surface of which a first electrode group is grouped into a plurality of groups of segment electrodes adapted to define a character for each digit and on the other surface of which a second electrode group is grouped into a plurality of groups of segment electrodes which are different in configuration from the groups of segment electrodes in the first electrode group, each of the corresponding segment electrode groups of each digit in the second electrode group being connected to the outside; means for applying sequentially phase-shifted drive signals of a predetermined cycle to the respective segment electrode groups in said second electrode group; and means for applying segment drive signals corresponding to display data to the respective segment electrode groups of the first electrode group in synchronism with the respective drive signals applied to the second electrode group.

REFERENCES:
patent: 3781863 (1973-12-01), Fujita
patent: 3877017 (1975-04-01), Kawakami et al.
patent: 3898646 (1975-08-01), Washizuka
patent: 3903518 (1975-09-01), Hatsukano
patent: 3976994 (1976-08-01), Washizuka et al.

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