Methods for driving bistable electro-optic displays, and apparatus for use therein
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United States of America Patent
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Feb 2, 2021
Grant Date -
May 5, 2016
app pub date -
Jan 8, 2016
filing date -
Apr 30, 1999
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Abstract
A bistable electro-optic display has a plurality of pixels, each of which is capable of displaying at least three gray levels. The display is driven by a method comprising: storing a look-up table containing data representing the impulses necessary to convert an initial gray level to a final gray level; storing data representing at least an initial state of each pixel of the display; receiving an input signal representing a desired final state of at least one pixel of the display; and generating an output signal representing the impulse necessary to convert the initial state of said one pixel to the desired final state thereof, as determined from said look-up table. The invention also provides a method for reducing the remnant voltage of an electro-optic display.
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