Electro-optical material-based grey scale generating method
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United States of America Patent
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Sep 21, 2004
Grant Date -
Feb 21, 2002
app pub date -
Sep 7, 2001
filing date -
Apr 30, 1998
priority date (Note) -
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Abstract
A grey scale is generated by modulating light in response to an information signal using an electro-optical material. An analog sample is derived from the information signal, a drive signal is generated in response to the analog sample and the drive signal is applied to the electro-optical material. The drive signal has a sequence of a first temporal portion and a second temporal portion. The first temporal portion has a temporal duration that has a pre-determined relationship to the analog sample, and the second temporal portion is the temporal complement of the first temporal portion.
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