Title:
GREEN PIGMENT COMPOSITION FOR COLOR FILTERS, AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2016/170828
Kind Code:
A1
Abstract:
Provided are: a green pigment composition which is composed of a halogenated zinc phthalocyanine pigment and a brominated chlorinated zinc phthalocyanine derivative having a phthalimide skeleton bonded by an alkylene group, and which enables significant improvement of contrast without a decrease in luminance and coloring power; and a color filter which is formed from this green pigment composition.
A green pigment composition for color filters, which is characterized by containing, per 100 parts by mass of a halogenated zinc phthalocyanine pigment, 0.1-10 parts by mass of a halogenated zinc phthalocyanine pigment derivative that is substituted by a functional group having a phthalimide skeleton bonded by an alkylene group; and a color filter which is characterized by containing this green pigment composition for color filters.
Inventors:
SAKAMOTO KEISUKE (JP)
KIMURA AKIRA (JP)
SHIMADA KATSUNORI (JP)
KIMURA AKIRA (JP)
SHIMADA KATSUNORI (JP)
Application Number:
PCT/JP2016/054400
Publication Date:
October 27, 2016
Filing Date:
February 16, 2016
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09B47/10; G02B5/20; C09B47/16; C09B67/04; C09B67/12; C09B67/20; C09B67/22
Domestic Patent References:
| WO2015015961A1 | 2015-02-05 |
Foreign References:
| JP2008308605A | 2008-12-25 | |||
| JP2007284590A | 2007-11-01 | |||
| JP2009126994A | 2009-06-11 | |||
| JP2011253174A | 2011-12-15 |
Attorney, Agent or Firm:
KONO MICHIHIRO (JP)
Michihiro Kono (JP)
Michihiro Kono (JP)
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