Electrophoretic display device
US9557623B2 · kind B2 · utility
31Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2015 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | Sep 9, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2001/1678
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to an electrophoretic display device which is suitable for passive matrix driving. The electrophoretic fluid may comprise two types of charged pigment particles wherein the two types of charged pigment particles carry opposite charge polarities, have contrasting colors and have different levels of charge intensity. Alternatively, there may be a third type of particles added to the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.