Title:
HALOGENATED ZINC PHTHALOCYANINE PIGMENT, PIGMENT COMPOSITION, COLORING COMPOSITION, AND COLOR FILTER
Document Type and Number:
Japanese Patent JP2020033526
Kind Code:
A
Abstract:
To provide a halogenated zinc phthalocyanine pigment that has excellent tinting power and can improve contrast of a pixel unit.SOLUTION: The present invention provides a halogenated zinc phthalocyanine pigment composed of a compound represented by the following formula (1), wherein, in one molecule of the compound, the number of halogen atoms is 8 or more to less than 13 in average, and an average aspect ratio of primary particles is 1.0-3.0. [In formula (1), X-Xindependently represent a hydrogen atom or a halogen atom].SELECTED DRAWING: None
Inventors:
SAKAMOTO KEISUKE
UEDA YUNA
SASAKI TAKUYA
SHIMADA NOZOMI
KIMURA MAKOTO
UEDA YUNA
SASAKI TAKUYA
SHIMADA NOZOMI
KIMURA MAKOTO
Application Number:
JP2018163797A
Publication Date:
March 05, 2020
Filing Date:
August 31, 2018
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS
International Classes:
C09B47/10; C09B67/08; C09B67/20; G02B5/20
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Mt. Nakatsuka
Toshimasa Finance
Yoshinori Shimizu
Mt. Nakatsuka
Toshimasa Finance