- Patent Title: Electrophoretic particle, method of manufacturing electrophoretic particle, electrophoresis dispersion liquid, electrophoresis sheet, electrophoresis device, and electronic apparatus
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Application No.: US16143022Application Date: 2018-09-26
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Publication No.: US10597541B2Publication Date: 2020-03-24
- Inventor: Keiichi Inoue , Kiyoshi Nakamura , Shinobu Yokokawa , Tomoyuki Ushiyama , Masahiko Nakazawa
- Applicant: E INK CORPORATION
- Applicant Address: US MA Billerica
- Assignee: E Ink Corporation
- Current Assignee: E Ink Corporation
- Current Assignee Address: US MA Billerica
- Agent Ioannis Constantinides
- Priority: JP2015-185320 20150918
- Main IPC: G02B26/00
- IPC: G02B26/00 ; C09D5/44 ; G02F1/167 ; G02F1/1675 ; C08G77/20 ; G02F1/17 ; C09D183/14
Abstract:
An electrophoretic particle includes a base particle (particle), a first compound, a second compound, and a third compound bonded to the base particle. The first compound is a polymer having a dispersion portion derived from a first monomer, and a bonding portion derived from a second monomer, and is connected to the base particle at the bonding portion. The second compound includes a non-polar group and a second functional group and is connected to the base particle at the second functional group. The third compound includes a charging group and a second functional group and is connected to the base particle at the second functional group.
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