Low voltage liquid crystal display device

Details Low voltage liquid crystal display device Low voltage liquid crystal display device

1995-03-22

1998-05-05

Harvey, David E.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 94, 349 34, 349101, 349179, G02F 113

Patent

active

057481628

ABSTRACT:
A liquid crystal device capable of being driven on a time division basis includes a liquid crystal panel sandwiching a liquid crystal layer having a twisted helical structure and preferably being disposed inside a pair of opposing polarizers, and a driving circuit for driving the liquid crystal panel. The liquid crystal layer if formed of a nematic liquid crystal material having a helical structure twisted by at least 180 degrees and the panel is driven on a time division driving basis in which the bias ratio is no less than 1/4 and no greater than 1/2. The driving voltage needed for operation of the liquid crystal device can thereby be substantially decreased.

REFERENCES:
patent: 4824211 (1989-04-01), Murata
patent: 5093736 (1992-03-01), Iijima
patent: 5151803 (1992-09-01), Wikita et al.
patent: 5514297 (1996-05-01), Shinjo et al.

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