Color display device
US10162242B2 · kind B2 · utility
60Cited by
139References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2014 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Dec 2, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/36
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of charged particles and a fourth type of particles which is substantially uncharged neutral buoyancy particles, all of which are dispersed in a solvent or solvent mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.