Electrophoretic medium and process for the production thereof
US7411719B2 · kind B2 · utility
467Cited by
140References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 21, 2005 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Jun 21, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A two-phase electrophoretic medium comprises a continuous phase and a discontinuous phase. The discontinuous phase comprises a plurality of droplets, each of which comprises a suspending fluid and at least one particle disposed within the suspending fluid and capable of moving through the fluid upon application of an electric field to the electrophoretic medium. The continuous phase surrounds and encapsulates the discontinuous phase. To reduce the humidity sensitivity of the medium, a non-ionizable or crystalline polymer may be used as the continuous phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.