Electrophoretic displays using gaseous fluids
US7230751B2 · kind B2 · utility
212Cited by
136References
64Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 26, 2006 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Jan 26, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1676
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Various improvements are provided in gas-based electrophoretic displays, including (a) the use of water getters to remove water from the gas; (b) the use of electron accepting or donating gases; (c) the use of electrophoretic polymer particles having high glass transition temperatures; (d) lateral movement of electrophoretic particles within the display; and (e) the use of variable thickness coatings on electrodes to provide for gray scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.