Liquid crystal display device having a plurality of scanning met

Details Liquid crystal display device having a plurality of scanning met Liquid crystal display device having a plurality of scanning met

1995-04-12

1998-05-19

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345204, 345132, 345 94, 345208, 348589, 348790, G09G 336

Patent

active

057541604

ABSTRACT:
The present invention relates to a liquid crystal display device in which a liquid crystal display panel is divided into a plurality of areas and the number of common lines scanned at once is changed for each of the areas. More specifically, the liquid crystal display panel is divided into a 2.alpha. drive area and a 1.alpha. drive area. Based on a CDB signal, a scanning circuit selects and scans two common lines at once in the 2.alpha. drive area and shifts the selected two lines one by one. The scanning circuit selects and scans one common line in the 1.alpha. drive area and shifts the selected line one by one.

REFERENCES:
patent: 4694348 (1987-09-01), Kamiya et al.
patent: 5018076 (1991-05-01), Johary et al.
patent: 5049865 (1991-09-01), Nakamura et al.
patent: 5089812 (1992-02-01), Fuse et al.
patent: 5091784 (1992-02-01), Someya et al.
patent: 5206634 (1993-04-01), Matsumoto et al.

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