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US 2019/0338188 A1Published application
Liquid crystal composition and liquid crystal display including the same (ii)
AssigneeDaxin Materials Corporation
InventorsChih-Yuan Lo, Chung-Hsien Wu, Chen Wang, Chun-Chih Wang
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Abstract
A liquid crystal composition includes at least one of a monofunctional compound represented by Formula (1) defined herein and a monofunctional compound represented by Formula (2) defined herein, and at least one of a difunctional compound represented by Formula (3) defined herein and a multifunctional compound represented by Formula (4) defined herein.
Claims11
A liquid crystal composition, comprising:
- at least one monofunctional compound selected from the group consisting of a monofunctional compound represented by Formula (1) and a monofunctional compound represented by Formula (2), and
- at least one multifunctional compound selected from the group consisting of a difunctional compound represented by Formula (3) and a multifunctional compound represented by Formula (4),
- wherein
- R3 represents a radical of
- R4 represents a radical of
- X1 to X6, Y1 to Y6, and W1 to W6 are each, independently of one another, selected from the group consisting of hydrogen, hydroxyl, halogen, a C1-C15 straight alkyl group, a C3-C15 branched alkyl group, a C2-C15 straight alkenyl group, a C3-C15 branched alkenyl group, a C2-C15 straight alkynyl group, and a C4-C15 branched alkynyl group, wherein each of said C1-C15 straight alkyl group, said C3-C15 branched alkyl group, said C2-C15 straight alkenyl group, said C3-C15 branched alkenyl group, said C2-C15 straight alkynyl group, and said C4-C15 branched alkynyl group is unsubstituted or substituted with at least one radical selected from the group consisting of halogen and hydroxyl, and at least one —CH2— group in each of said C1-C15 straight alkyl group, said C3-C15 branched alkyl group, said C2-C15 straight alkenyl group, said C3-C15 branched alkenyl group, said C2-C15 straight alkynyl group, and said C4-C15 branched alkynyl group is optionally replaced with a ring radical;
- Z1 to Z9 are each, independently of one another, selected from the group consisting of a single bond and a spacer group;
- rings A1 to A7 are each, independently of one another, selected from the group consisting of 1,4-phenylene, 1,4-cyclohexylene, 1,4-cyclohexenylene, pyridine-2,5-diyl, pyrimidine-2,5-diyl, naphthalene-2,6-diyl, naphthalene-1,4-diyl, tetrahydronaphthalene-2,6-diyl, 1,3-dioxane-2,5-diyl, benzofuran-2,5-diyl, tetrahydropyran-2,5-diyl, a divalent dioxa-bicyclo[2.2.2]octyl functional group, a divalent trioxa-bicyclo[2.2.2]octyl functional group, and indane-2,5-diyl, each of which is unsubstituted or substituted with at least one radical selected from the group consisting of a C1-C8 alkyl group, a C1-C8 haloalkyl group, a C1-C8 alkoxyl group, halogen, a cyano group, and a nitro group;
- R1 and R2 are each, independently of one another, selected from the group consisting of a C1-C70 straight alkyl group, a C3-C70 branched alkyl group, a C2-C70 straight alkenyl group, a C3-C70 branched alkenyl group, a C2-C70 straight alkynyl group, and a C4-C7 branched alkynyl group, wherein each of said C1-C70 straight alkyl group, said C3-C70 branched alkyl group, said C2-C70 straight alkenyl group, said C3-C70 branched alkenyl group, said C2-C70 straight alkynyl group, and said C4-C70 branched alkynyl group is unsubstituted or substituted with at least one halogen atom, and at least one —CH2— group in each of said C1-C70 straight alkyl group, said C3-C70 branched alkyl group, said C2-C70 straight alkenyl group, said C3-C70 branched alkenyl group, said C2-C70 straight alkynyl group, and said C4-C70 branched alkynyl group is optionally replaced with a first divalent radical selected from the group consisting of —SiRa2—, —O—, —CO—, —COO—, and —OCO—, wherein Ra is selected from the group consisting of hydrogen, a C1-C4 straight alkyl group, and a C3-C4 branched alkyl group, with the proviso that
- when at least two of said —CH2— groups are replaced with said first divalent radicals, said first divalent radicals are not bonded to each other directly,
- at least one of Z1 and R1 contains —SiRa2—, and
- at least one of Z2, Z3, Z4, and R2 contains —SiRa2—;
- S1 to S4 are each, independently of one another, selected from the group consisting of a single bond, a C1-C12 straight alkylene group, a C3-C12 branched alkylene group, a C2-C12 straight alkenylene group, and a C3-C12 branched alkenylene group, wherein at least one —CH2— group in each of said C1-C12 straight alkylene group, said C3-C12 branched alkylene group, said C2-C12 straight alkenylene group, and said C3-C12 branched alkenylene group is optionally replaced with a second divalent radical selected from the group consisting of —O—, —CO—, —COO—, and —OCO—, with the proviso that when at least two of said —CH2— groups are replaced with said second divalent radicals, said second divalent radicals are not bonded to each other directly;
- t is an integer ranging from 1 to 2, provided that when t is 2, two A's are the same or different and two Z3s are the same or different;
- m is an integer ranging from 0 to 2, provided that when m is 2, two A3s are the same or different and two Z6s are the same or different;
- v is an integer ranging from 1 to 2, provided that when v is 2, two S2s are the same or different, two W5s are the same or different, two X5s are the same or different, and two Y5s are the same or different;
- w is an integer ranging from 1 to 2, provided that when w is 2, two S4s are the same or different, two W6s are the same or different, two X6s are the same or different, and two Y6s are the same or different;
- each of p and r is an integer ranging from 0 to 3, and a sum of p and r is an integer ranging from 3 to 6 provided that when p is 2 or 3, a plurality of R3s are the same or different, and when r is 2 or 3, a plurality of R4s are the same or different;
- and
- q is an integer ranging from 0 to 4, provided that when q is an integer ranging from 2 to 4, a plurality of Z8s are the same or different and a plurality of A6s are the same or different.
17 more elements
Dependencies are inferred from the claim text.