Liquid crystal display

Details Liquid crystal display Liquid crystal display

1996-11-14

1999-09-14

Chow, Dennis-Doon

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 90, 345 92, 345 93, G09G 336

Patent

active

059529911

ABSTRACT:
A liquid crystal display apparatus includes systems of voltage applying devices for applying voltages to a liquid crystal and a controlling device for switching among these systems. The systems of voltage applying devices each have at least one non-linear switching element, and the controlling device has a memory portion for storing the switched state. With such a construction, electric power loss caused by one signal line having a relatively high frequency can be avoided by using another signal line having a relatively low frequency, thereby allowing a white, black, or gradation display with reduced power consumption.

REFERENCES:
patent: 5515072 (1996-05-01), Yanai et al.
patent: 5534884 (1996-07-01), Mase et al.
patent: 5610627 (1997-03-01), Inamori et al.
patent: 5712652 (1998-01-01), Sato et al.

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