Liquid crystal composition and liquid crystal display including the same
AssigneeSamsung Display Co., Ltd.
InventorsJi Hong Bae, Keun Chan Oh
Life of this patent
Estimating the term…
Abstract
A liquid crystal composition includes at least one polar liquid crystal compound represented by Chemical Formula PI-1 to PI-4: in which each n, n1, and n2 in Chemical Formula PI-1 to PI-4 is any one of 1, 2, and 3, in Chemical Formula PI-1 to PI-4, each A, A1, and A2 includes one of each L1 to L8 includes one of —H, —F, —Cl, —OCF3, —CF3, —CH2F, and —CHF2, each Z, Z1, and Z2 includes one of single bond, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —SCH2—, —CH2S—, —CH2CH2—, —C2F4—, —CH2—CF2—, —CF2CH2—, —(CH2)Z— (z is 1 to 3), —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C═C—, and —CH═CHCH2O—, and R includes one of hydrogen, halogen, a cyano group, alkyl group, and an alkoxy group including 1 to 12 carbon atoms.
Claims14
A liquid crystal composition, comprising:
- at least one of polar liquid crystal compounds represented by Chemical Formula PI-1 to Chemical Formula PI-4:
- wherein each of n, n1, and n2 in Chemical Formula PI-1 to Chemical Formula PI-4 is any one of 1, 2, and 3,
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of A, A1, and A2 comprises one of
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of L1 to L8 comprises one of —H, —F, —CI, —OCF3, —CF3, —CH2F, and —CHF2,
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of Z, Z1, and Z2 comprises one of single bond, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —SCH2—, —CH2S—, —CH2CH2—, —C2F4—, —CH2—CF2—, —CF2CH2—, —(CH2)z— (z is 1 to 3), —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C═C—, and —CH═CHCH2O—, and
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, R comprises one of hydrogen, halogen, a cyano group, alkyl group, and an alkoxy group comprising 1 to 12 carbon atoms.
A liquid crystal composition, comprising:
- at least one of polar liquid crystal compounds represented by Chemical Formula PI-1 to Chemical Formula PI-4:
- wherein each of n, n1, and n2 in Chemical Formula PI-1 to Chemical Formula PI-4 is any one of 1, 2, and 3,
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of A, A1, and A2 comprises one of
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of L1 to L8 comprises one of —H, —F, —Cl, —OCF3, —CF3, —CH2F, and —CHF2,
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of Z, Z1, and Z2 comprises one of single bond, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2O—, —OCH2—, —SCH2—, —CH2S—, —CH2CH2—, —C2F4—, —CH2—CF2—, —CF2CH2—, —(CH2)z— (z is 1 to 3), —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C═C—, and —CH═CHCH2O—,
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, R comprises one of hydrogen, halogen, a cyano group, alkyl group, and an alkoxy group comprising 1 to 12 carbon atoms, and
- wherein dielectric anisotropy of the liquid crystal composition is in a range of 5 to 20.
A liquid crystal display, comprising:
- a first substrate;
- a second substrate facing the first substrate;
- and
- a liquid crystal layer disposed between the first substrate and the second substrate,
- wherein the liquid crystal layer comprises at least one polar liquid crystal compound represented by Chemical Formula PI-1 to Chemical Formula PI-4:
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4:
- each of n, n1, and n2 is any one of 1, 2, and 3;
- each of Z, Z1, and Z2 comprises one of single bond, —COO—, —OCO—, —CF2O—, —OCF2—, —CH2O, —OCH2—, —SCH2—, —CH2S—, —CH2CH2—, —C2F4—, —CH2—CF2—, —CF2CH2—, —(CH2)z— (z is 1 to 3), —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C═C—, and —CH═CHCH2O—;
- and
- each of L1 to L8 comprises one of —H, —F, —Cl, —OCF3, —CF3, —CH2F, and —CHF2,
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, each of A, A1, and A2 comprises one of
- and
- wherein in Chemical Formula PI-1 to Chemical Formula PI-4, R comprises one of hydrogen, halogen, a cyano group, alkyl group, and an alkoxy group comprising 1 to 12 carbon atoms.
Dependencies are inferred from the claim text.