Patent · US Active

Pigment dispersion, colored curable composition, color filter and method of manufacturing the same

US8389185B2 · kind B2 · utility

1Cited by
0References
15Claims
0Family size

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Inventors

Key dates

Filing dateMar 25, 2010
Grant dateMar 5, 2013
Priority date
Expiry dateFeb 19, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133516
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

There are provide a pigment dispersion containing (A) a halogenated zinc phthalocyanine pigment, and (B) a copolymer of at least (b-1) a monomer having at least one group selected from an amino group and a nitrogen-containing heterocyclic group, (b-2) a monomer having a carboxyl group, and (b-3) a macromonomer having a weight-average molecular weight from 1,000 to 50,000, a colored curable composition containing the pigment dispersion, a color filter using the colored curable composition and a method for preparing the same.

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