Electrophoretic display with a bi-modal particle system

Details Electrophoretic display with a bi-modal particle system Electrophoretic display with a bi-modal particle system

2005-10-18

2005-10-18

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C345S107000, C359S290000

Reexamination Certificate

active

06956690

ABSTRACT:
This invention relates to an electrophoretic display having display cells filled with an electrophoretic composition which comprises a bi-modal particle system dispersed in a dielectric solvent or solvent mixture. The display has shown a higher % reflectance or whiteness, a higher contrast ratio, improved threshold characteristics and better bistability.

REFERENCES:
patent: 2001/0030639 (2001-10-01), Goden
patent: 2002/0097198 (2002-07-01), Kanazawa et al.
patent: 0 962 808 (1999-12-01), None
patent: 1 262 817 (2002-12-01), None
patent: PCT/US04/003531 (2004-07-01), None

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