Title:
PIGMENT COMPOSITION FOR COLOR FILTER AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2018/186182
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a pigment composition for obtaining a color filter having improved luminance without increased film thickness. The present invention can provide a pigment composition for a color filter, the composition characterized by containing a zinc halide phthalocyanine pigment and a pigment derivative represented by general formula (1) (in general formula (1), Z1 to Z16 each independently represent a bromine atom, a chlorine atom, a hydrogen atom, or a sulfo group, at least the average number of substituents of the sulfo group is 0.1 to 4, and M represents Al, Si, Sc, Ti, V, Mg, Fe, Co, Ni, Zn, Ga, Ge, Y, Zr, Nb, In, Sn, or Pb). The present invention also provides a color filter having the pigment composition in the pixels thereof.
Inventors:
SAKAMOTO KEISUKE (JP)
CHIBA YUNA (JP)
SHIMIZU IKUMA (JP)
KIMURA AKIRA (JP)
CHIBA YUNA (JP)
SHIMIZU IKUMA (JP)
KIMURA AKIRA (JP)
Application Number:
PCT/JP2018/011311
Publication Date:
October 11, 2018
Filing Date:
March 22, 2018
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
G02B5/20; C09B47/10; C09B67/20; C09B67/22; G02F1/1335
Domestic Patent References:
| WO2016170828A1 | 2016-10-27 | |||
| WO2002052307A1 | 2002-07-04 | |||
| WO2014192079A1 | 2014-12-04 |
Foreign References:
| JP2011128181A | 2011-06-30 | |||
| JP2016218188A | 2016-12-22 | |||
| JP2003138180A | 2003-05-14 | |||
| JP2005316244A | 2005-11-10 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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