Multiphase liquid composition for low voltage electrowetting device
US9074168B2 · kind B2 · utility
3Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2009 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/004
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A multi-phase liquid composition comprising a conductive liquid and a non-conductive liquid, said liquids being non miscible, wherein the conductive liquid comprises more than 90% up to 99.9% by weight of a first component having a surface tension above 45 mN/m and comprising water, salt and at least one freezing point lowering agent, and from 0.01% to less than 10% by weight of a second component having a surface tension below 30 mN/m and comprising at least one first compound, wherein said at least one first compound is a non ionic surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.