Pigment particles for electrophoretic display
US8363306B2 · kind B2 · utility
42Cited by
8References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2011 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Aug 9, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2001/1678
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to an electrophoretic display fluid, in particular, pigment particles dispersed in a solvent or solvent mixture, and methods for their preparation. The pigment particles generated, according to the present invention, are stable in solvent under an electric field, have desired charge and charge density on the particle surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.