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Title:
COLORING COMPOSITION, FILM, OPTICAL ELEMENT, IMAGE SENSOR, SOLID STATE IMAGING ELEMENT, IMAGE DISPLAY APPARATUS, AND PIGMENT FOR COLOR FILTER
Document Type and Number:
WIPO Patent Application WO/2023/120431
Kind Code:
A1
Abstract:
[Problem] To provide a coloring composition having excellent heat resistance. [Solution] The present invention pertains to: a coloring composition that contains a resin and a coloring agent containing a pigment represented by formula 1; a film, an optical element, an image sensor, a solid state imaging element, or an image display apparatus using said coloring composition; or a new pigment for a color filter. In formula 1, Ar11 represents an aromatic group having a valence of n1+1 or a hetero aromatic group having a valence of n1+1, Ar12 represents an aromatic group having a valence of n1+1 or a hetero aromatic group having a valence of n1+1, R1 and R2 each independently represent a hydrogen atom, a halogen atom, or a monovalent organic group, at least one of R1 and R2 is a group having an aliphatic hydrocarbon ring structure, R3 and R4 each independently represent a hydrogen atom or a monovalent organic group, and n1 and n2 each independently represent an integer of 1-5.

Inventors:
MAKINO MASAOMI (JP)
Application Number:
PCT/JP2022/046469
Publication Date:
June 29, 2023
Filing Date:
December 16, 2022
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
G03F7/004; C09B57/00; C09B67/20; G02B5/20; G09F9/30
Foreign References:
JP2011157511A2011-08-18
JP2012128012A2012-07-05
JP2007266285A2007-10-11
JP2014078702A2014-05-01
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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