Title:
PHTHALOCYANINE PIGMENT, COLORING COMPOSITION AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2016/125806
Kind Code:
A1
Abstract:
Provided is a phthalocyanine pigment which exhibits excellent fastness, has excellent color characteristics (brightness) and contrast ratio, generates few foreign objects caused by association or aggregation of molecules or the like even in a high temperature environment at greater than 230ºC, and is useful as a coloring agent. Also provided is a coloring composition using the phthalocyanine pigment, and a color filter. This phthalocyanine pigment is represented by general formula (1). In the formula, X denotes a halogen atom and n is an integer between 4 and 16. However, the average value for the degree of substitution by halogen atoms denoted by X is 6-15, and the halogen distribution width is 4 or higher. Y1 denotes -OP(=O)R1R2, -OC(=O)R3, -OS(=O)2R4 or a hydroxyl group.
Inventors:
KITAMURA KENICHI (JP)
YAMAMOTO YUICHI (JP)
SHIMIZU HIROAKI (JP)
NISHIDA KAZUFUMI (JP)
YAMAMOTO YUICHI (JP)
SHIMIZU HIROAKI (JP)
NISHIDA KAZUFUMI (JP)
Application Number:
PCT/JP2016/053099
Publication Date:
August 11, 2016
Filing Date:
February 02, 2016
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCOLOR CO LTD (JP)
TOYOCOLOR CO LTD (JP)
International Classes:
C09B47/10; G02B5/20
Domestic Patent References:
| WO2015145792A1 | 2015-10-01 | |||
| WO2010140519A1 | 2010-12-09 |
Foreign References:
| JP2015183126A | 2015-10-22 | |||
| JP2007291232A | 2007-11-08 | |||
| JP2003161827A | 2003-06-06 |
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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