Shell-type electrophoretic particle, display device...

Details Shell-type electrophoretic particle, display device... Shell-type electrophoretic particle, display device...

2011-07-12

2011-07-12

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000

Reexamination Certificate

active

07978398

ABSTRACT:
An electrophoretic particle includes ionic liquid stored in a spherical polymer shell and a charged layer formed on an inner surface of the shell, and a display device includes the electrophoretic particle. The shell is not charged, and the charged layer in the shell is charged. Therefore, particles having different polarities from each other do not stick to each other. Since the electrophoretic particles are dispersed in air, a high response speed can be achieved, a large amount of charges can be formed by the ionic liquid and the charged layer contacting the ionic liquid, and thus, the particles can move with a low driving voltage.

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