Multichromal twisting ball displays

Details Multichromal twisting ball displays Multichromal twisting ball displays

G - Physics

09

F

G09F 9/302 (2006.01) G02B 26/02 (2006.01) G09F 9/37 (2006.01)

Patent

CA 2291400

An addressable display device comprising a light transparent body having a plurality of spheroidal balls supported therein. Each ball has an electrical dipole moment and a magnetic dipole moment. An addressing circuit is provided for applying an electric field and a magnetic field across a selected portion of the body to position a given ball. Preferably, a given ball is multichromal and includes longitudinal ranges of different colors. A given color within a longitudinal range may include regions of variable saturation as a function of latitude.

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