- 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.: US15067135Application Date: 2016-03-10
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Publication No.: US10969647B2Publication Date: 2021-04-06
- Inventor: Kozo Shitagami , Kei Kamakura , Masahiko Nakazawa , Hiroki Nakahara , Harunobu Komatsu
- 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: JPJP2015-048737 20150311
- Main IPC: G02F1/167
- IPC: G02F1/167 ; G02F1/1675 ; G02F1/16753 ; G02F1/16755
Abstract:
An electrophoretic particle includes a particle and a coating layer, in which the coating layer includes at least one of dispersibility and chargeability, and includes a polymer that connects to the particle, where the polymer includes a first functional group and is connected to the particle via a connected body, the connected body has a molecular weight of 500 or less and includes a second functional group and a third functional group, and the particle, the connected body and the polymer are connected via the chemical bond formed by reacting the first and second functional groups and the chemical bond formed by reacting the hydroxyl group and the third functional group.
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