Electrophoretic display device
US7250933B2 · kind B2 · utility
22Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2002 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Jan 31, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/16766
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Color selection and grey values are obtained in electrophoretic displays causing pixels, which have a main reservoir (16) surrounded by auxiliary reservoirs (18) for the primary colors and an entrance electrode (13), to move particles to the main display area and further electrodes (14, 26, 27) for grey value selection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.