Title:
COLORING MATERIAL DISPERSION, COLORED RESIN COMPOSITION FOR COLOR FILTER, COLOR FILTER, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/024596
Kind Code:
A1
Abstract:
Provided is a coloring material dispersion whereby a coating film can be formed which has excellent stability over time and enhanced heat resistance. A coloring material dispersion containing a coloring material represented by general formula (I), a dispersing agent, an organic acid compound, and a solvent, the dispersing agent being a block copolymer having at least structural units (a) represented by general formula (II) and having an amine value of 70 mg KOH/g to 160 mg KOH/g, the solvent being a solvent in which the solubility of the coloring material at 23°C is 0.1 (g/10 mL solvent) or lower, and the coloring material dispersion satisfying expressions (1) and (2), and satisfying expression (3) when X is in a range less than 1. Expression (1): X ≤ 1.5. Expression (2): A × X ≥ 40. Expression (3): A × (1 – X) ≤ 42. (The reference symbols in expressions (1) through (3) and general formulas (I) and (II) are as described in the specification.)
Inventors:
ISHIHARA SEIJI (JP)
OSHIMA HIROSHI (JP)
ONO ATSUSHI (JP)
ICHIKAWA YUJI (JP)
MAENO YOSHIHITO (JP)
TAKEUCHI YOSHIHIRO (JP)
OSHIMA HIROSHI (JP)
ONO ATSUSHI (JP)
ICHIKAWA YUJI (JP)
MAENO YOSHIHITO (JP)
TAKEUCHI YOSHIHIRO (JP)
Application Number:
PCT/JP2015/072803
Publication Date:
February 18, 2016
Filing Date:
August 11, 2015
Export Citation:
Assignee:
DNP FINE CHEMICALS CO LTD (JP)
International Classes:
C09B67/46; C09B11/00; C09B11/12; C09B67/20; G02B5/20; G03F7/004
Domestic Patent References:
| WO2012144521A1 | 2012-10-26 |
Foreign References:
| JP2014214274A | 2014-11-17 | |||
| JP2014153569A | 2014-08-25 | |||
| JP2015082055A | 2015-04-27 | |||
| JP2013250446A | 2013-12-12 | |||
| JP2013053226A | 2013-03-21 | |||
| JP2008242414A | 2008-10-09 | |||
| JP2010014961A | 2010-01-21 | |||
| JP2013237832A | 2013-11-28 |
Attorney, Agent or Firm:
KISHIMOTO, Tatsuhito et al. (JP)
Kishimoto Expert (JP)
Kishimoto Expert (JP)
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