Method and apparatus for ferroelectric liquid crystal display ha

Details Method and apparatus for ferroelectric liquid crystal display ha Method and apparatus for ferroelectric liquid crystal display ha

1996-07-29

1997-07-08

Sikes, William L.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 89, 345 97, 349146, 349173, G02F 1133, G02F 1141, G09G 336

Patent

active

056467559

ABSTRACT:
A liquid crystal device is constituted by a first electrode substrate having thereon a group of first electrodes, a second electrode substrate having thereon a group of second electrodes intersecting the first electrodes, and a liquid crystal disposed between the first and second electrode substrates so as to form a pixel at each intersection of the first and second electrodes. The liquid crystal device is driven for gradational display by selecting and writing in a pixel plural times in one frame of display for gradational display, wherein a second and a subsequent writing among the plural times of writing is performed by applying a bipolar pulse of identical shapes in positive and negative polarities.

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N.A. Clark, et al., MCLC (1983) vol. 94, pp. 213-234.

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