Title:
COLORING COMPOSITION CONTAINING XANTHENE-BASED DYE, COLORING AGENT FOR COLOR FILTER, AND COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2019/003915
Kind Code:
A1
Abstract:
This coloring composition containing a xanthene-based dye is represented by general formula (1), and a coloring agent, which is for a color filter and contains the coloring composition containing the xanthene-based dye and having number of diffraction peaks of 0 in a range of 3°-7° of a diffraction angle (2ɵ) in a powder X-ray diffraction of CuKα radiation, provides a color filter having a high display contrast ratio.
Inventors:
AOKI YOSHIKAZU (JP)
KANDA DAIZO (JP)
YAMAGATA NAOYA (JP)
KANDA DAIZO (JP)
YAMAGATA NAOYA (JP)
Application Number:
PCT/JP2018/022545
Publication Date:
January 03, 2019
Filing Date:
June 13, 2018
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
C09B11/28; C09B63/00; C09B67/10; C09B67/48; G02B5/20
Domestic Patent References:
| WO2016042171A2 | 2016-03-24 |
Foreign References:
| JP2002030230A | 2002-01-31 |
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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