Pigment dispersion, colored curable composition, color filter and method of manufacturing the same
US8389185B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2010 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Feb 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.