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US 10,280,181 B2Granted
Coloring composition, anisotropic light absorption film, laminate, polarizing plate, image display device and compound
AssigneeFUJIFILM Corporation
InventorsTakashi Katoh, Masatoshi Mizumura
Life of this patent
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Abstract
A coloring composition containing one or more species of compounds represented by Formula (I) or Formula (II) below, wherein each of R1 and R2 represents a hydrogen atom or substituent, each of Ar1 to Ar8 independently represents an optionally substituted aromatic hydrocarbon group or optionally substituted heterocyclic group, and each of L1 and L2 independently represents a divalent linking group which interrupts π electron conjugated system:
Claims17
An anisotropic light absorption film comprising:
- a coloring composition comprising one or more species of compounds represented by Formula (I) or Formula (II) below and one or more species of thermotropic liquid crystalline polymer:
- in Formula (I), R1 represents a hydrogen atom or substituent, each of Ar1, Ar2, Ar3 and Ar4 independently represents an optionally substituted aromatic hydrocarbon group or optionally substituted heterocyclic group, and L1 represents a divalent linking group which interrupts π electron conjugated system;
- in Formula (II), R2 represents a hydrogen atom or substituent, each of Ar5, Ar6, Ar7 and Ar8 independently represents an optionally substituted aromatic hydrocarbon group or optionally substituted heterocyclic group, and L2 represents a divalent linking group which interrupts π electron conjugated system,
- wherein the thermotropic liquid crystalline polymer is in the form of side-chain polymer liquid crystal.
1 more element
Dependencies are inferred from the claim text.