Liquid crystal matrix display

Details Liquid crystal matrix display Liquid crystal matrix display

1980-04-18

1983-03-29

Curtis, Marshall M.

Communications: electrical

Continuously variable indicating

With meter reading

340784, 350332, G09G 336

Patent

active

043785573

ABSTRACT:
A liquid crystal matrix display provides scanning in a plurality of modes wherein the number of scanning electrodes simultaneously driven is varied. Higher driving duty cycles are used as the number of simultaneously driven scanning electrodes increases. Energy consumption is reduced and the quality is improved. A change-over circuit lowers the driving voltage during simultaneous scanning.

REFERENCES:
patent: 3845615 (1974-11-01), Cake
patent: 3895372 (1975-07-01), Kaji et al.
patent: 3981000 (1976-09-01), Sado et al.
patent: 4036553 (1977-07-01), Borel et al.
patent: 4100540 (1978-07-01), Fujita et al.
patent: 4121203 (1978-10-01), Edwards et al.
patent: 4242679 (1980-12-01), Morozumi et al.

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