Blue colored composition for color filter and color filter
US7300608B2 · kind B2 · utility
2Cited by
5References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 16, 2004 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Jan 18, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0041
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A blue colored composition for a color filter contains a pigment carrier comprising a transparent resin, a precursor thereof or a mixture thereof, a blue pigment having a specific surface area of 90 to 140 m2/g, and a violet pigment having a specific surface area in a range of 100 to 150 m2/g, but having a greater specific surface area than that of the blue pigment used. A color filter includes a filter segment formed from the blue colored composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.