Electrophoresis dispersion liquid, electrophoresis sheet, electrophoresis device, and electronic apparatus

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United States of America Patent

PATENT NO 9804472
SERIAL NO

15049387

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Abstract

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An electrophoresis dispersion liquid includes first electrophoretic particle of a scattering system having an ionic group on a surface thereof; second electrophoretic particle of a coloring system having a polarization group on the surface thereof; and a dispersion medium. It is preferable that the ionic group is an acidic group, and further includes a ring structure that forms an acidic group and a salt. It is preferable that the polarization group is an organic group having a main skeleton, and a substituent bonded to the main skeleton.

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Patent Owner(s)

Patent OwnerAddress
E INK CORPORATION1000 TECHNOLOGY PARK DRIVE ATTN IP DEPARTMENT BILLERICA MA 01821-4165

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Keiichi Chino, JP 23 95
Nakamura, Kiyoshi Matsumoto, JP 100 1431
Nakazawa, Masahiko Matsumoto, JP 47 167
Ushiyama, Tomoyuki Chino, JP 20 9
Yokokawa, Shinobu Okaya, JP 46 87

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