Electro-osmotic displays and materials for making the same

Details Electro-osmotic displays and materials for making the same Electro-osmotic displays and materials for making the same

1998-08-27

2000-09-19

Nutter, Nathan M.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

42721331, 42721334, 42721335, 428402, 4284022, 42840221, 42840222, 42840224, 264 41, 264 433, 264 44, 264 46, 264 47, B03C 500, H05B 3300

Patent

active

061208396

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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