Electrophoretic particles, and processes for the production thereof
First Claim
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1. An electrophoretic medium comprising at least one electrically charged particle suspended in a suspending fluid and capable of moving through the fluid on application of an electrical field to the fluid, wherein the at least one electrically charged particle comprises copper chromite.
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Abstract
Copper chromite particles can advantageously be used as black particles in electrophoretic media and displays. Preferably, the copper chromite particles are coated with a silica coating and a polymer coating.
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Citations
28 Claims
- 1. An electrophoretic medium comprising at least one electrically charged particle suspended in a suspending fluid and capable of moving through the fluid on application of an electrical field to the fluid, wherein the at least one electrically charged particle comprises copper chromite.
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