Nonemissive displays and piezoelectric power supplies therefor

Details Nonemissive displays and piezoelectric power supplies therefor Nonemissive displays and piezoelectric power supplies therefor

1996-10-25

1999-07-27

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

G02B 106

Patent

active

059300264

ABSTRACT:
An electrophoretic display has a substantially two-dimensional arrangement of microcapsules each having therein an electrophoretic composition of a dielectric fluid and a suspension of particles that visually contrast with the dielectric liquid and also exhibit surface charges; a pair of electrodes, at least one of which is visually transparent, disposed on and covering opposite sides of the microcapsule arrangement; and means for creating a potential difference between the two electrodes, the potential difference causing the particles to migrate toward one of the electrodes. The display may be powered by one or more piezoelectric elements, which are also suitable for powering other types of nonemissive displays.

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