Dispersion for electrophoretic display, and electrophoretic display device
US7511876B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2003 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Jan 24, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a dispersion for electrophoretic display, used in an electrophoretic display device having i) charged electrophoretic particles and ii) a dispersion medium in which the charged electrophoretic particles stand dispersed, the dispersion medium contains at least one of an ethylene acrylate copolymer and a styrene copolymer. The styrene copolymer is in a content of from 0.0001 part by weight to 3 parts by weight based on 100 parts by weight of the dispersion medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.