Color display device
US9170468B2 · kind B2 · utility
97Cited by
122References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2014 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | May 15, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a color display device in which each pixel can display four high quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture. The fluid may further comprise substantially uncharged neutral buoyancy particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.