Optimized method of addressing a liquid-crystal screen and device for implementing it
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United States of America Patent
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Nov 30, 1999
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app pub date -
Jan 22, 1997
filing date -
Aug 2, 1994
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Abstract
The present invention relates to an optimized method of addressing liquid-crystal screens. In accordance with the invention, the matrix addressing method, periodically scanning each line with a signal of voltage V.sub.A (t) as a function of time, is characterized in that each period of this signal consists of a plateau up to T.sub.F then a curve which may be a straight-line portion of slope .alpha. between T.sub.F and T.sub.F'. Application to liquid-crystal screens.
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