Methods for driving electrophoretic displays using dielectrophoretic forces
US7999787B2 · kind B2 · utility
233Cited by
288References
4Claims
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Key dates
| Filing date | Aug 31, 2005 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Jan 6, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A dielectrophoretic display has a substrate having walls defining a cavity, the cavity having a viewing surface and a side wall inclined to the viewing surface. A fluid is contained within the cavity; and a plurality of particles are present in the fluid. There is applied to the substrate an electric field effective to cause dielectrophoretic movement of the particles so that the particles occupy only a minor proportion of the viewing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.