Patent · US Expired

Colored composition, method of manufacturing color filter, and method of manufacturing black matrix substrate

US7361709B2 · kind B2 · utility

2Cited by
4References
7Claims
0Family size

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Key dates

Filing dateMay 20, 2004
Grant dateApr 22, 2008
Priority date
Expiry dateSep 15, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/006
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A colored composition contains a colorant carrier including a transparent resin, a precursor thereof, or a mixture of the transparent resin and the precursor, a colorant, and an organic liquid medium. The organic liquid medium consists of an organic solvent (a) having a boiling point at 760 mmHg of 100° C. or higher but lower than 160° C., and an organic solvent (b) having a boiling point at 760 mmHg of 160° C. or higher but lower than 215° C. The organic solvent (b) is contained in an amount of 3% to 35% by weight based on the total amount of the colored composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.