Colored composition for color filters, color filter and liquid crystal display device
US7804561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2007 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Jun 20, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133514
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cyan-colored composition for a color filter contains a phthalocyanine blue pigment comprising either of C.I. Pigment Blue 15:3 and C.I. Pigment Blue 15:4, or both, a phthalocyanine green pigment comprising C.I. Pigment Green 7, and a pigment carrier consisting of a transparent resin, a precursor of the resin or a mixture thereof. A color filter includes a red-colored filter segment, a green-colored filter segment, a blue-colored filter segment, and a cyan-colored filter segment or a yellow-colored filter segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.