Encapsulated electrophoretic displays having a monolayer of capsules and materials and methods for making the same
First Claim
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1. An encapsulated electrophoretic element comprising an electrophoretic ink, the electrophoretic ink comprising a plurality of non-spherical capsules dispersed in a binder, at least one of the capsules being enclosed by a deformable membrane deformed into a non-spherical shape, wherein the plurality of capsules form substantially a single layer when the ink is disposed on a substrate.
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Abstract
An encapsulated electrophoretic display having a plurality of non-spherical capsules disposed substantially in a single layer on a substrate.
741 Citations
62 Claims
- 1. An encapsulated electrophoretic element comprising an electrophoretic ink, the electrophoretic ink comprising a plurality of non-spherical capsules dispersed in a binder, at least one of the capsules being enclosed by a deformable membrane deformed into a non-spherical shape, wherein the plurality of capsules form substantially a single layer when the ink is disposed on a substrate.
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41. An encapsulated electrophoretic element comprising an electrophoretic ink, the electrophoretic ink comprising a plurality of non-spherical capsules dispersed in a binder comprising a binder solid, at least one of the capsules being enclosed by a membrane, wherein the plurality of capsules form substantially a single layer when the ink is disposed on a substrate, and wherein a ratio of a mass of the binder solid to a mass of the capsules is between about 1:
- 2 and about 1;
20.
- 2 and about 1;
- 42. An encapsulated electrophoretic element comprising an electrophoretic ink, the electrophoretic ink comprising a plurality of non-spherical capsules dispersed in a binder, at least one of the capsules being enclosed by a membrane, and at least one of the capsules comprising at least one electrophoretic particle dispersed in at least one suspending fluid, wherein the plurality of capsules form substantially a single layer when the ink is disposed on a substrate and at least a portion of the element has an optically active fraction of at least 70%.
Specification