Liquid crystal apparatus that changes a voltage level of a corre

Details Liquid crystal apparatus that changes a voltage level of a corre Liquid crystal apparatus that changes a voltage level of a corre

1997-01-27

1999-05-11

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 94, G09G3/36

Patent

active

059032510

ABSTRACT:
A liquid crystal apparatus includes a liquid crystal device formed by a pair of substrates having thereon a group of scanning electrodes and a group of data electrodes intersecting the scanning electrodes so as to form an electrode matrix, and a liquid crystal disposed between the substrates so as to form a pixel at each intersection of the scanning electrodes and the data electrodes; and temperature-detection means for detecting a temperature of the liquid crystal device. The liquid crystal device is driven by applying a scanning signal comprising a clear pulse, a write pulse and a correction pulse to the scanning electrodes and for applying data signals to the data electrodes in synchronism with the scanning signal, while changing a voltage level of the correction pulse based on temperature data from the temperature-detection means. As a result, the liquid crystal device can effect a stable display over the entire area even if it has a temperature distribution therealong.

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