Title:
PIGMENT COMPOSITION FOR COLOR FILTERS, COLORING COMPOSITION, COLOR FILTER, LIQUID CRYSTAL DISPLAY DEVICE AND SOLID-STATE IMAGING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/235322
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a pigment composition for color filters, said pigment composition having excellent storage stability and being capable of forming a pixel that has good brightness, contrast ratio, heat resistance, solvent resistance and dye transferability; a coloring composition; and a color filter which is formed using this pigment composition for color filters. The above are achieved by means of a pigment composition for color filters, said pigment composition containing a diketopyrrolopyrrole pigment represented by general formula (1) and a diketopyrrolopyrrole pigment represented by general formula (2), while being characterized in that the mass ratio of the pigment of general formula (1) to the pigment of general formula (2) is from 99.9:0.1 to 90.0:10.0.
Inventors:
IIDA YUSUKE (JP)
TERAZAWA MASAHIRO (JP)
SUZUKI SHINYA (JP)
TATEISHI NAOYA (JP)
TERAZAWA MASAHIRO (JP)
SUZUKI SHINYA (JP)
TATEISHI NAOYA (JP)
Application Number:
PCT/JP2021/018272
Publication Date:
November 25, 2021
Filing Date:
May 13, 2021
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYO VISUAL SOLUTIONS CO LTD (JP)
TOYO VISUAL SOLUTIONS CO LTD (JP)
International Classes:
G03F7/004; C09B57/00; C09B67/20; C09B67/22; G02B5/20; G02F1/1335
Domestic Patent References:
| WO2009081930A1 | 2009-07-02 |
Foreign References:
| JP2020071252A | 2020-05-07 | |||
| JP2020066702A | 2020-04-30 | |||
| JP2020063413A | 2020-04-23 | |||
| JP2020042242A | 2020-03-19 | |||
| JP2020020851A | 2020-02-06 | |||
| JP2019200343A | 2019-11-21 | |||
| JP2013125037A | 2013-06-24 | |||
| JP2017031330A | 2017-02-09 | |||
| KR20120100390A | 2012-09-12 | |||
| CN101659813A | 2010-03-03 | |||
| JP2009029886A | 2009-02-12 |
Attorney, Agent or Firm:
KIUCHI Mitsuharu et al. (JP)
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