Polymerizable liquid crystal composition, optically anisotropic layer, optical film, polarizing plate, and image display device
AssigneeFUJIFILM Corporation
InventorsToshikazu Sumi, Tatsuya Iwasaki, Shunya Katoh, Hiroshi Inada, Megumi Okubo
Life of this patent
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Abstract
Provided is a polymerizable liquid crystal composition capable of suppressing the generation of precipitates; and an optically anisotropic layer, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a forward wavelength dispersion liquid crystal compound A having an aromatic ring having 10 or more π electrons and a forward wavelength dispersion liquid crystal compound B having an aromatic ring having 6 or more and less than 10 π electrons.
Claims16
A polymerizable liquid crystal composition comprising:
- a forward wavelength dispersion liquid crystal compound A having an aromatic ring having 10 or more π electrons;
- and
- a forward wavelength dispersion liquid crystal compound B having an aromatic ring having 6 or more and less than 10 π electrons,
- wherein the forward wavelength dispersion liquid crystal compound A is a compound represented by Formula (I), and
- the forward wavelength dispersion liquid crystal compound B is a compound represented by Formula (II),
- in Formulae (I) and (II),
- P11, P12, P21, and P22 each independently represent a polymerizable group,
- Sp11, Sp12, Sp21, and Sp22 each independently represent a single bond, a linear alkylene group having 1 to 14 carbon atoms, a branched alkylene group having 3 to 14 carbon atoms, or a divalent linking group in which one or more of —CH2-'s constituting the linear or branched alkylene group are substituted with —O—, —S—, —NH—, —N(Q)-, or —CO—, where Q represents a substituent,
- n11, m11, m12, n12, n21, m21, m22, and n22 each independently represent an integer of 0 to 2, provided that at least one of m11 or n11 represents 1 or 2, at least one of m12 or n12 represents 1 or 2, at least one of m21 or n21 represents 1 or 2, and at least one of m22 or n22 represents 1 or 2,
- k11 and k21 each independently represent 1 or 2,
- X11, X12, X13, X14, X15, X16, X21, X22, X23, X24, X25, and X26 each independently represent a single bond;
- or —CO—, —O—, —S—, —C(═S)—, —CR1R2, —CR3═CR4, —NR5—, or a divalent linking group consisting of a combination of two or more of these groups, where R1 to R5 each independently represent a hydrogen atom, a fluorine atom, or an alkyl group having 1 to 12 carbon atoms, provided that in a case where n11 is 2, a plurality of X11's may be the same as or different from each other;
- in a case where m11 is 2, a plurality of X12's may be the same as or different from each other;
- in a case where k11 is 2, a plurality of X13's may be the same as or different from each other;
- in a case where m12 is 2, a plurality of X15's may be the same as or different from each other;
- in a case where n12 is 2, a plurality of X16's may be the same as or different from each other;
- in a case where n21 is 2, a plurality of X21's are the same as or different from each other;
- in a case where m21 is 2, a plurality of X22's may be the same as or different from each other;
- in a case where k21 is 2, a plurality of X23's are the same as or different from each other;
- in a case where m22 is 2, a plurality of X25's may be the same as or different from each other;
- and in a case where n22 is 2, a plurality of X26's may be the same as or different from each other,
- Ar11, Ar12, Ar21, and Ar22 each independently represent an aromatic ring which may have a substituent, provided that in a case where n11 is 2, a plurality of Ar11's may be the same as or different from each other;
- in a case where n12 is 2, a plurality of Ar12's may be the same as or different from each other;
- in a case where n21 is 2, a plurality of Ar21's may be the same as or different from each other;
- and in a case where n22 is 2, a plurality of Ar22's may be the same as or different from each other,
- Cy11, Cy12, Cy21, and Cy22 each independently represent an alicyclic ring which may have a substituent, provided that in a case where m11 is 2, a plurality of Cy11's may be the same as or different from each other;
- in a case where m12 is 2, a plurality of Cy12's may be the same as or different from each other;
- in a case where m21 is 2, a plurality of Cy21's may be the same as or different from each other;
- and in a case where m22 is 2, a plurality of Cy22's may be the same as or different from each other,
- Ar13 represents an aromatic ring having 10 or more π electrons, which may have a substituent, provided that in a case where k11 is 2, a plurality of Ar13's may be the same as or different from each other, and
- Ar23 represents an aromatic ring having 6 or more and less than 10 π electrons, which may have a substituent, provided that in a case where k21 is 2, a plurality of Ar23's may be the same as or different from each other,
- wherein in Formula (I), a total of n11, m11, k11, m12, and n12 is an integer of 5 to 10, and
- in Formula (II), a total of n21, m21, k21, m22, and n22 is an integer of 5 to 10.
Dependencies are inferred from the claim text.