Encapsulated electrophoretic displays and methods and materials for making the same
First Claim
1. An encapsulated electrophoretic display medium, comprising a capsule comprising particles dispersed in a suspending fluid, wherein said particles contain a liquid and move in response to an applied electric field.
2 Assignments
0 Petitions
Accused Products
Abstract
Disclosed herein are novel electrophoretic displays and materials useful in fabricating such displays. In particular, novel encapsulated displays are disclosed. Particles encapsulated therein are dispersed within a suspending, or electrophoretic, fluid. This fluid may be a mixture of two or more fluids or may be a single fluid. The displays may further comprise particles dispersed in a suspending fluid, wherein the particles contain a liquid. In either case, the suspending fluid may have a density or refractive index substantially matched to that of the particles dispersed therein. Finally, also disclosed herein are electro-osmotic displays. These displays comprise at least one capsule containing either a cellulosic or gel-like internal phase and a liquid phase, or containing two or more immiscible fluids. Application of electric fields to any of the electrophoretic displays described herein affects an optical property of the display.
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Citations
37 Claims
- 1. An encapsulated electrophoretic display medium, comprising a capsule comprising particles dispersed in a suspending fluid, wherein said particles contain a liquid and move in response to an applied electric field.
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30. A process for creating an encapsulated electrophoretic display medium, comprising the steps of:
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(a) encapsulating a dye in a liquid into a plurality of first electrophoretic capsules; and
(b) encapsulating said plurality of first capsules into a second capsule in a binder to form said display medium. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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Specification