Electrophoretic display with a bi-modal particle system
US6956690B2 · kind B2 · utility
68Cited by
0References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2004 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Feb 6, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to an electrophoretic display having display cells filled with an electrophoretic composition which comprises a bi-modal particle system dispersed in a dielectric solvent or solvent mixture. The display has shown a higher % reflectance or whiteness, a higher contrast ratio, improved threshold characteristics and better bistability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.