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US 9,458,125 B2Granted
Octahydro binaphthyl-based chiral compound-containing liquid-crystal composition and optical element
AssigneesJnc Corporation, Jnc Petrochemical Corporation
InventorsKoki Sago, Shin-Ichi Yamamoto
Life of this patent
Estimating the term…
Abstract
A liquid-crystal composition is composed of at least one chiral compound represented by general formula (K1) or (K2) and at least one achiral liquid-crystal component: (wherein, in formulas (K1) and (K2), Rk1 is, for example, alkyl having 1 to 5 carbons, Rk2 is, for example, alkyl having 1 to 20 carbons, ring Ak1 is, for example, 1,4-phenylene, Xk1 is, for example, a single bond, Yk1 is, for example, —(CH2)n—, n is an integer from 0 to 20, Zk1 is, for example, a single bond, mk1 is, for example, an integer from 2 to 4, and nk1 and nk2 are, for example, an integer from 0 to 2).
Claims20
A liquid-crystal composition, comprising at least one chiral compound represented by general formula (K1) or (K2) and at least one achiral liquid-crystal component:
- wherein, in formulas (K1) and (K2),
- Rk1 is halogen, cyano, —SF5 or alkyl having 1 to 5 carbons, at least one of —CH2— in Rk1 may be replaced by —O—, and at least one of hydrogen in Rk1 may be replaced by halogen;
- Rk2 is halogen, cyano, —SF5 or alkyl having 1 to 20 carbons, at least one of —CH2— in Rk2 may be replaced by —O—, and at least one of hydrogen in Rk2 may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl or 1,4-bicyclo-(2,2,2)-octylene, and at least one of hydrogen in the rings may be replaced by halogen;
- Xk1 is a single bond, —O—, —CO—, —COO—, —OCO—, —OCH2—, —CH2O—, —CF2O—, —OCF2—, —CH═CH—, —CF2CF2—, —CF═CF— or —C≡C—;
- Yk1 is a single bond or —(CH2)n—, and n is an integer from 1 to 20;
- Zk1 is a single bond or alkylene having 1 to 10 carbons, at least one of —CH2— in Zk1 may be replaced by —O—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C—, and at least one of hydrogen in Zk1 may be replaced by halogen;
- mk1 is an integer from 2 to 4;
- nk1 and nk2 is an integer from 0 to 2;
- and
- when a plurality of Rk1, Rk2, Ak1, Ak2, Xk1, Yk1, Zk1, mk1, nk1 or nk2 exist, the plurality may be identical or different each other.
8 more elements
A liquid-crystal composition, comprising at least one chiral compound selected from compounds represented by general formulas (K1-1) to (K1-6) and at least one achiral liquid-crystal component:
- wherein, in formulas (K1-1) to (K1-6),
- Rk1 is halogen, cyano, —SF5 or alkyl having 1 to 5 carbons, at least one of —CH2— in Rk1 may be replaced by —O—, and at least one of hydrogen in Rk1 may be replaced by halogen;
- Rk2 is halogen, cyano, —SF5 or alkyl having 1 to 20 carbons, at least one of —CH2— in Rk2 may be replaced by —O—, and at least one of hydrogen in Rk2 may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl or 1,4-bicyclo-(2,2,2)-octylene, and at least one of hydrogen in the rings may be replaced by halogen;
- Yk1 is a single bond or —(CH2)n—, and n is an integer from 1 to 20;
- Zk1 is a single bond or alkylene having 1 to 10 carbons, at least one of —CH2— in Zk1 may be replaced by —O—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C— and at least one of hydrogen in Zk1 may be replaced by halogen;
- nk1 and nk2 are an integer from 0 to 2;
- and
- when a plurality of Rk1, Rk2, Ak1, Ak2, Yk1, Zk1, nk1 or nk2 exist, the plurality may be identical or different each other.
6 more elements
A liquid-crystal composition, comprising at least one chiral compound represented by general formula (K2-1) or (K2-2) and at least one achiral liquid-crystal component:
- wherein, in formulas (K2-1) to (K2-2),
- Rk1 is halogen, cyano, —SF5 or alkyl having 1 to 5 carbons, at least one of —CH2— in the alkyl may be replaced by —O—, and at least one of hydrogen in the alkyl may be replaced by halogen;
- Rk2 is halogen, cyano, —SF5 or alkyl having 1 to 20 carbons, at least one of —CH2— in the alkyl may be replaced by —O—, and at least one of hydrogen in the alkyl may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl, pyridine-2,5-diyl or 1,4-bicyclo-(2,2,2)-octylene, and at least one of hydrogen in the rings may be replaced by halogen;
- Yk1 is a single bond or —(CH2)n—, and n is an integer from 1 to 20;
- Zk1 is a single bond or alkylene having 1 to 10 carbons, at least one of —CH2— in the alkylene may be replaced by —O—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C—, and at least one of hydrogen in the alkylene may be replaced by halogen;
- nk1 or nk2 is an integer from 0 to 2;
- and
- when a plurality of Rk1, Rk2, Ak1, Ak2, Yk1, nk1 or nk2 exist, the plurality may be identical or different each other.
6 more elements
A liquid-crystal composition, comprising at least one chiral compound represented by general formula (K1-1-1), (K1-1-2), (K1-2-1), (K1-2-2), (K1-4-1), (K1-4-2), (K1-5-1) or (K1-5-2) and at least one achiral liquid-crystal component:
- wherein, in the formulas,
- Rk1 is hydrogen, halogen, cyano or alkyl having 1 to 5 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- Rk2 is hydrogen, halogen, cyano or alkyl having 1 to 20 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl, and at least one of hydrogen in the rings may be replaced by halogen;
- n is an integer from 0 to 10;
- Zk1 is a single bond, alkylene having 1 to 10 carbons, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C—;
- Xk1, Xk2, Xk3 and Xk4 are independently hydrogen or fluorine, wherein three or more fluorine cannot exist at the same time in Xk1, Xk2, Xk3 and Xk4;
- nk1 or nk2 is an integer from 0 to 2;
- and
- when a plurality of Rk1, Rk2, Ak1, Zk1, nk1 or nk2 exist, the plurality may be identical or different each other.
7 more elements
A liquid-crystal composition, comprising at least one chiral compound represented by general formula (K2-1-1), (K2-1-2), (K2-2-1), (K2-2-2) or (K2-2-3) and at least one achiral liquid-crystal component:
- wherein, in formulas (K2-1-1) to (K2-2-3),
- Rk1 is hydrogen, halogen, cyano or alkyl having 1 to 5 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- Rk2 is hydrogen, halogen, cyano or alkyl having 1 to 20 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl, and at least one of hydrogen in the rings may be replaced by halogen;
- n is an integer from 0 to 10;
- Zk1 is a single bond, alkylene having 1 to 10 carbons, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C—;
- Xk1, Xk2, Xk3 and Xk4 are independently hydrogen or fluorine, wherein three or more fluorine cannot exist at the same time in Xk1, Xk3 and Xk4;
- nk1 or nk2 is an integer from 0 to 2;
- and when
- a plurality of Rk1, Rk2, Ak1, Zk1, nk1 or nk2 exist, the plurality may be identical or different each other.
7 more elements
A chiral compound represented by general formula (K1-5-1) or (K1-5-2):
- wherein, in the formulas,
- Rk1 is hydrogen, halogen, cyano or alkyl having 1 to 5 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- Rk2 is hydrogen, halogen, cyano or alkyl having 1 to 20 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl, and at least one of hydrogen in the rings may be replaced by halogen;
- n is an integer from 0 to 10;
- Zk1 is a single bond, alkylene having 1 to 10 carbons, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C—;
- Xk1, Xk2, Xk3 and Xk4 are independently hydrogen or fluorine, wherein three or more fluorine cannot exist at the same time in Xk1, Xk2, Xk3 and Xk4;
- nk1 or nk2 is an integer from 0 to 2;
- and
- when a plurality of Rk1, Rk2, Ak1, Zk1, nk1 or nk2 exist, the plurality may be identical or different each other.
7 more elements
A chiral compound represented by general formula (K2-1-1), (K2-1-2), (K2-2-1) or (K2-2-3):
- wherein, in formulas (K2-1-1) to (K2-2-3),
- Rk1 is hydrogen, halogen, cyano or alkyl having 1 to 5 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- Rk2 is hydrogen, halogen, cyano or alkyl having 1 to 20 carbons, and at least one of hydrogen in the alkyl may be replaced by halogen;
- ring Ak1 is 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, tetrahydropyran-2,5-diyl, tetrahydropyran-3,5-diyl, pyrimidine-2,5-diyl or pyridine-2,5-diyl, and at least one of hydrogen in the rings may be replaced by halogen;
- n is an integer from 0 to 10;
- Zk1 is a single bond, alkylene having 1 to 10 carbons, —CH2O—, —OCH2—, —CF2O—, —OCF2—, —COO—, —OCO—, —CH═CH—, —CF═CF— or —C≡C—;
- Xk1, Xk2, Xk3 and Xk4 are independently hydrogen or fluorine, wherein three or more fluorine cannot exist at the same time in Xk1, Xk2, Xk3 and Xk4;
- nk1 or nk2 is an integer from 0 to 2;
- and when
- a plurality of Rk1, Rk2, Ak1, Zk1, nk1 or nk2 exist, the plurality may be identical or different each other.
7 more elements
Dependencies are inferred from the claim text.