Patent · US Active

Colored composition for color filters, color filter and liquid crystal display device

US7804561B2 · kind B2 · utility

2Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 2007
Grant dateSep 28, 2010
Priority date
Expiry dateJun 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.