Electrophoretic image display having an improved switching time
US4071430A · kind A · utility
179Cited by
10References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1976 |
| Grant date | Jan 31, 1978 |
| Priority date | — |
| Expiry date | Dec 6, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophoretic visual display device using an electrophoretic suspension with pigment particles in a dielectric suspending liquid and a dye for contrasting color, all enclosed in a unit comprising a transparent electrode spaced from at least one segmented electrode by an insulating member; a mesh electrode in the shape of the segmented electrode having holes barely visible to the naked eye is positioned on the transparent layer between the layer and the segmented electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.