Display medium, display device and display method

Details Display medium, display device and display method Display medium, display device and display method

2008-01-15

2008-01-15

Thompson, Tim (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000, C430S032000, C345S107000

Reexamination Certificate

active

07319554

ABSTRACT:
The invention provides a display medium including: a pair of substrates facing one another, at least one of the substrates being transparent; electrodes provided at opposing surfaces of the pair of substrates; and a light modulating layer disposed between the pair of substrates, the light modulating layer containing electrophoretic colored particles, a dispersion medium for dispersing the electrophoretic colored particles, and a reflection member having light reflection characteristics different from those of the electrophoretic colored particles, and the surface of the electrophoretic colored particles and the surface of the reflection member satisfying the following formula (1): 180>|θp−θr|≧20, in formula (1), θp representing a contact angle (degrees) between the surface of the electrophoretic colored particles and water, and θr representing a contact angle (degrees) between the surface of the reflection member and water.

REFERENCES:
patent: A 2005-128143 (2005-05-01), None

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