Process for creating an encapsulated electrophoretic display

Details Process for creating an encapsulated electrophoretic display Process for creating an encapsulated electrophoretic display

1998-08-27

2000-05-23

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

204606, 204478, 430 34, 430 35, 345107, 252583, 264 8, G02B 2600

Patent

active

060671858

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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