Colored composition for electrowetting display, image display structure, and electrowetting display device
US9494789B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 21, 2013 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Aug 21, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B57/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A colored composition for use in electrowetting displays includes a non-polar solvent and a dipyrromethene dye having a solubility in n-hexane of 1% by mass or higher at 25° C. and 0.1 MPa. In a particular embodiment, an electrowetting display device that employs the colored composition exhibits increased responsiveness, and exhibits suppressed backflow at the time of image display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.