Shutter mode microencapsulated electrophoretic display

Details Shutter mode microencapsulated electrophoretic display Shutter mode microencapsulated electrophoretic display

1999-04-27

2000-10-10

Sugarman, Scott J.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

345107, 359277, G02B 2600, G09G 334, G02F 101

Patent

active

061307742

ABSTRACT:
An electrophoretic display element includes a capsule having a first, larger surface and a second, smaller surface. The capsule contains a suspending fluid and at least one particle dispersed within said suspending fluid. Application of a first electrical field causes the particle or particles to migrate towards the first, larger surface of the capsule, causing it to take on the visual appearance of the particles. Application of a second electrical field causes the particle or particles to migrate towards the second, smaller surface, allowing the capsule to take on the visual appearance of the dispersing fluid or of a substrate or electrode positioned behind the display element. Displays may be fabricated from multiple display elements arranged on a substrate.

REFERENCES:
patent: 4093534 (1978-06-01), Carter et al.
patent: 4648956 (1987-03-01), Marshall et al.
patent: 5582700 (1996-12-01), Bryning et al.
patent: 5699097 (1997-12-01), Takayama et al.
patent: 5961804 (1999-10-01), Jacobson et al.
patent: 6017584 (2000-01-01), Albert et al.

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