TWISTING BALL DISPLAYS COMPRISED OF THIXOTROPIC LIQUID AND BICHROMAL BALLS CHARGED WITH ELECTRET DIPOLES

This invention generally relates to the use of dipole charged balls having differently coloured hemispheres (bichromal balls) in twisting ball displays comprising a pair of planar addressing electrodes and the space between these electrodes that is filled with a thixotropic liquid into which has bee...

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Bibliographic Details
Main Authors VAHTRE, MADIS-MARIUS, LIIV, JUERI, SHERIDON, NICHOLAS K
Format Patent
LanguageEnglish
French
Published 18.08.2011
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:This invention generally relates to the use of dipole charged balls having differently coloured hemispheres (bichromal balls) in twisting ball displays comprising a pair of planar addressing electrodes and the space between these electrodes that is filled with a thixotropic liquid into which has been dispersed a plurality of electrically charged and optically anisotropic rotatable elements. Cette invention concerne d'une manière générale l'utilisation de billes chargées par dipôle ayant des hémisphères colorés (billes bichromiques) dans des dispositifs d'affichage à billes orientables comprenant une paire d'électrodes d'adressage planes et l'espace entre ces électrodes qui est rempli d'un liquide thixotrope dans lequel ont été dispersés plusieurs éléments rotatifs chargés électriquement et optiquement anisotropes.
Bibliography:Application Number: WO2010EP57865