Image display medium and image formation device

Details Image display medium and image formation device Image display medium and image formation device

2007-04-17

2007-04-17

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

C252S572000, C252S073000, C252S077000

Reexamination Certificate

active

10928499

ABSTRACT:
The present invention provides an image display medium including a pair of substrates disposed so as to face each other and first and second particles contained in space between the pair of substrates, wherein the first particles can be positively or negatively charged due to external stimulus and have one color and a particle size distribution in which at least one peak is present on a coarse side of the most frequent particle diameter of the first particles, and the second particles are not charged or can be charged due to the external stimulus to have polarity opposite to that of the first particles and have another color: and an image formation device comprising the image display medium and a generator for generating an electric field between the pair of substrates in accordance with an image to be displayed.

REFERENCES:
patent: A 2001-312225 (2001-11-01), None

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