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;...http://www.google.es/patents/US7012600?utm_source=gb-gplus-sharePatente US7012600 - Methods for driving bistable electro-optic displays, and apparatus for use therein
Methods for driving bistable electro-optic displays, and apparatus for use ...
