Fluorobiphenyl-containing composition
There is provided a composition containing a compound represented by General Formula (i) and a compound represented by General Formula (ii) (where R i1 , R ii1 , and R ii2 each independently represent an alkyl group having 1 to 8 carbon atoms; in the alkyl group, one —CH 2 — group or two or more —CH 2 — groups not adjoining each other are each independently optionally substituted with —CH═CH—, —C≡C—, —O—, —CO—, —COO—, or —OCO—; m i1 represents 2; A i1 represents a 1,4-cyclohexylene group or a 1,4-phenylene group of which a hydrogen atom is optionally substituted with a fluorine atom or a chlorine atom; multiple A i1 's may be the same as or different from each other; Z i1 represents a single bond, —CH═CH—, —C≡C—, —CH 2 CH 2 —, —COO—, or —OCO—; multiple Z i1 's may be the same as or different from each other; and X i1 and X ii1 to X ii4 each independently represent a hydrogen atom or a fluorine atom).
1. A composition used in a liquid crystal display device, the composition consisting of:
a compound represented by General Formula (i);
a compound represented by General Formula (ii);
a compound represented by General Formula (VIII-1);
a compound represented by General Formula (I-1-1);
a compound represented by General Formula (I-1-2),
a compound represented by General Formula (L);
a compound represented by General Formula (M);
optionally a compound represented by General Formula (Q); and
optionally a polymerizable compound;
wherein the total amount of the compound represented by General Formula (I-1-1) and the compound represented by General Formula (I-1-2) is at least 31 mass % relative to the total amount of the composition, and the amount of the compound represented by General Formula (VIII-1) is in the range of 2 mass % to 8 mass % relative to the total amount of the composition,
where R i1 , R ii1 , and R ii2 each independently represent an alkyl group having 1 to 8 carbon atoms; in the alkyl group, one —CH 2 — group or two or more —CH 2 — groups not adjoining each other are each independently optionally substituted with —CH═CH—, —C≡C—, —O—, —CO—, —COO—, or —OCO—; m i1 represents 2; A i1 represents a 1,4-cyclohexylene group; Z i1 represents a single bond; and X i1 and X ii1 to X ii4 each independently represent a hydrogen atom or a fluorine atom,
where R 8 represents an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms,
where R 12 's each independently represent an alkyl group having 1 to 5 carbon atoms
where R L1 and R L2 each independently represent a linear alkyl group having 1 to 8 carbon atoms, and one —CH 2 — group or two or more —CH 2 — groups not adjoining each other in the alkyl group are each independently optionally substituted with —CH═CH—, —C≡C—, —O—, —CO—, —COO—, or —OCO—; OL represents 0, 1, 2, or 3; B L1 , B L2 , and B L3 each independently represent a group selected from the group consisting of
(a) a 1,4-cyclohexylene group in which one —CH 2 — group or two or more —CH 2 — groups not adjoining each other are optionally substituted with —O—, and
(b) a 1,4-phenylene group in which one —CH═ group or two or more —CH═ groups not adjoining each other are optionally substituted with —N═, and
the groups (a) and (b) are each independently optionally substituted with a cyano group, or a fluorine atom; L L1 and L L2 each independently represent a single bond, —CH 2 CH 2 —, —(CH 2 ) 4 —, —OCH 2 —, —CH 2 O—, —COO—, —OCO—, —OCF 2 —, —CF 2 O—, —CH═N—N═CH—, —CH═CH—, or —C≡C—; in the case where OL is 2 or 3 and where L L2 is multiple, the multiple L L2 's are the same as or different from each other; in the case where OL is 2 or 3 and where B L3 is multiple, the multiple B L3 's are the same as or different from each other; wherein the compound represented by General Formula (L) excludes the compound represented by General Formula (ii), the compound represented by General Formula (I-1-1), and the compound represented by General Formula (I-1-2),
where R M1 represents an alkyl group having 1 to 8 carbon atoms, and one —CH 2 — group or two or more —CH 2 — groups not adjoining each other in the alkyl group are each independently optionally substituted with —CH═CH—, —C≡C—, —O—, —CO—, —COO—, or —OCO—; PM represents 0, 1, or 2; C M1 and C M2 each independently represent a group selected from the group consisting of
(d) a 1,4-cyclohexylene group in which one —CH 2 — group or two or more —CH 2 — groups not adjoining each other are optionally substituted with —O— or —S—, and
(e) a 1,4-phenylene group in which one —CH═ group or two or more —CH═ groups not adjoining each other are optionally substituted with —N═, and
the groups (d) and (e) are each independently optionally substituted with a cyano group, or a fluorine atom; K M1 and K M2 each independently represent a single bond, —CH 2 CH 2 —, —(CH 2 ) 4 —, —OCH 2 —, —CH 2 O—, —OCF 2 —, —CF 2 O—, —COO—, —OCO—, or —C≡C—; in the case where PM is 2 and where K M1 is multiple, the multiple K M1 's are the same as or different from each other; in the case where PM is 2 and where C M2 is multiple, the multiple C M2 's are the same as or different from each other; X M1 and X M3 each independently represent a hydrogen atom, or a fluorine atom; X M2 represents a hydrogen atom, a fluorine atom, a cyano group, a trifluoromethyl group, a fluoromethoxy group, a difluoromethoxy group, a trifluoromethoxy group, or a 2,2,2-trifluoroethyl group; and the compound represented by General Formula (M) excludes the compound represented by General Formula (i) and the compound represented by General Formula (VIII-1),
where R Q represents a linear or branched alkyl group having 1 to 22 carbon atoms; at least one CH 2 group in the alkyl group is optionally substituted with —O—, —CH═CH—, —CO—, —OCO—, —COO—, —C≡C—, —CF 2 O—, or —OCF 2 — such that oxygen atoms do not directly adjoin each other; and M Q represents a trans-1,4-cyclohexylene group, a 1,4-phenylene group, or a single bond.
2. The composition used in a liquid crystal display device according to claim 1 , wherein in the compound represented by General Formula (ii), X ii2 is a fluorine atom; and X ii1 , X ii3 , and X ii4 are hydrogen atoms.
3. The composition used in a liquid crystal display device according to claim 1 , wherein the compound represented by General Formula (M) is a compound represented by General Formula (XIII-3)
where R 13 represents an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms.
4. The composition used in a liquid crystal display device according to claim 1 , wherein the compound represented by General Formula (M) comprises at least two compounds represented by General Formula (IX-2-5)
where R 9 represents an alkyl group having 1 to 5 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms.
5. The composition used in a liquid crystal display device according to claim 1 , wherein the compound represented by General Formula (L) comprises at least three compounds represented by General Formula (IV-1)
where R 43 and R 44 each independently represent an alkyl group having 1 to 5 carbon atoms.
6. The composition used in a liquid crystal display device according to claim 1 , wherein at least three compounds represented by General Formula (I-1-2) are used
where R 12 each independently represent an alkyl group having 1 to 5 carbon atoms.
7. The composition used in a liquid crystal display device according to claim 1 , wherein at least one of X ii1 to X ii4 is a fluorine atom.
8. A liquid crystal display device comprising the composition used in a liquid crystal display device according to claim 1 .
9. An IPS device comprising the composition used in a liquid crystal display device according to claim 1 .
10. An FFS device comprising the composition used in a liquid crystal display device according to claim 1 .