Title:
PIGMENT COMPOSITION FOR COLOR FILTER, AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2019/022051
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a pigment composition which exhibits excellent heat resistance and can attain excellent contrast and high reliability when used to produce a color filter; and a color filter having the pigment composition in pixels thereof. The present invention can solve this problem by providing a pigment composition for a color filter, the pigment composition containing a phthalocyanine-based pigment and an azomethine copper complex-based pigment and being characterized in that the mass ratio of the phthalocyanine-based pigment and the azomethine copper complex-based pigment is 99.9/0.1-96.5/3.5. By incorporating this pigment composition for a color filter into the pixels of a color filter, it is possible to obtain an excellent color filter that can solve the abovementioned problem.
Inventors:
FUNAKURA SEIJI (JP)
TANAKA TAKAKO (JP)
OZAKI YUSUKE (JP)
YASUI KENGO (JP)
TANAKA TAKAKO (JP)
OZAKI YUSUKE (JP)
YASUI KENGO (JP)
Application Number:
PCT/JP2018/027628
Publication Date:
January 31, 2019
Filing Date:
July 24, 2018
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
G02B5/20; C09B67/20; C09D17/00; G02F1/1335; C09B47/04; C09B55/00
Domestic Patent References:
| WO2017119422A1 | 2017-07-13 |
Foreign References:
| JP2014044419A | 2014-03-13 | |||
| CN106918999A | 2017-07-04 | |||
| KR20170063304A | 2017-06-08 | |||
| KR20160115443A | 2016-10-06 | |||
| KR20160033849A | 2016-03-29 | |||
| CN104932196A | 2015-09-23 | |||
| US20170160635A1 | 2017-06-08 | |||
| JP2016003288A | 2016-01-12 | |||
| JP2015197677A | 2015-11-09 | |||
| JP2003003073A | 2003-01-08 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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