Liquid crystal compound and liquid crystal composition employing the same

A liquid crystal composition, comprising:

• a first component and a third component;
• wherein
• the first component comprises at least two liquid crystal compounds represented by Formula (I)
• wherein
• R1 represents hydrogen, a C1-C10 alkyl group, or a C2-C10 alkenyl group, where the C1-C10 alkyl group or the C2-C10 alkenyl group is unsubstituted or at least one —CH2— of the C1-C10 alkyl group or the C2-C10 alkenyl group is replaced by —O—, —S—, —O—CO—, —OC—O—, or —O—CO—O—, provided that the —O—, —S—, —O—CO—, —OC—O—, and —O—CO—O— do not directly bond to one another, and/or at least one hydrogen of the C1-C10 alkyl group or the C2-C10 alkenyl group is substituted by halogen, CN, or CF3;
• each of A1, A2, A3, and A4 independently represents a 1,4-phenylene group, a 1,4-cyclohexylene group, a divalent dioxabicyclo[2.2.2]octylene group, a divalent trioxabicyclo[2.2.2]octylene group, or a divalent 2,5-indanylene group, where the 1,4-phenylene group, the 1,4-cyclohexylene group, or the divalent 2,5-indanylene group is unsubstituted or at least one hydrogen of the 1,4-phenylene group, the 1,4-cyclohexylene group, or the divalent 2,5-indanylene group is substituted by halogen, CN, or CF3, and/or at least one —CH2— of the 1,4-cyclohexylene group is replaced by —O—, —S—, —O—CO—, —OC—O—, or —O—CO—O—, provided that the —O—, —S—, —O—CO—, —OC—O—, and —O—CO—O— do not directly bond to one another, and/or at least one —CH2— of the divalent 2,5-indanylene group is replaced by —O— or —S—, provided that the —O— and —S— do not directly bond to one another;
• each of Z1, Z2, Z3 and Z4 independently represents a single bond, a C1-C4 alkylene group, a C2-C4 alkenylene group, a C2-C4 alkynylene group, —O—CO—, or —CO—O—, where the C1-C4 alkylene group, the C2-C4 alkenylene group, or the C2-C4 alkynylene group is unsubstituted or at least one hydrogen of the C1-C4 alkylene group, the C2-C4 alkenylene group, or the C2-C4 alkynylene group is substituted by halogen, and/or at least one —CH2— of the C1-C4 alkylene group, the C2-C4 alkenylene group, or the C2-C4 alkynylene group is replaced by —O— or —S—, provided that the —O— and —S— do not directly bond to each other, wherein at least one of Z1, Z2, Z3, and Z4 of one of the at least two liquid crystal compounds does not represent —OCF2— or —CF2O—;
• X represents hydrogen, halogen, CN, CF3, or CCl3;
• and
• each of m, n, o, and p independently represents 0 or 1, and m+n+o+p>0;
• the third component comprises at least one liquid crystal compound represented by Formula (III)
• wherein
• R6 represents halogen, —CF3, —OCH═CF2, or —OCF3;
• R5 represents hydrogen, a C1-C10 alkyl group, or a C2-C10 alkenyl group, where the C1-C10 alkyl group or the C2-C10 alkenyl group is unsubstituted or at least one —CH2— of the C1-C10 alkyl group or the C2-C10 alkenyl group is replaced by —O—, —S—, —CO—, —O—CO—, —CO—O—, or —O—CO—O—, and wherein the —O—, —S—, —CO—, —O—CO—, —CO—O—, and —O—CO—O— do not directly bond to one another, and/or at least one hydrogen of the C1-C10 alkyl group or the C2-C10 alkenyl group is substituted by halogen, CN, or CF3;
• each of A7, A8, A9, and A10 independently represents a 1,4-phenylene group, a 1,4-cyclohexylene group, a divalent dioxabicyclo[2.2.2]octylene group, a divalent trioxabicyclo[2.2.2]octylene group, or a divalent 2,5-indanylene group, where the 1,4-phenylene group, the 1,4-cyclohexylene group, or the divalent 2,5-indanylene group is unsubstituted or at least one hydrogen of the 1,4-phenylene group, the 1,4-cyclohexylene group, or the divalent 2,5-indanylene group is substituted by halogen or CN, and/or at least one —CH2— of the 1,4-cyclohexylene group is replaced by —O—, —NH—, or —S—, provided that the —O—, —NH—, and —S— do not directly bond to one another, or at least one —CH2— of the divalent 2,5-indanylene group is replaced by —O—, —NH—, or —S—, provided that the —O—, —NH—, and —S— do not directly bond to one another;
• each of Z7, Z8 and Z9 independently represents a single bond, a C1-C4 alkylene group, a C2-C4 alkenylene group, a C2-C4 alkynylene group, —CO—O—, or —O—CO—, where the C1-C4 alkylene group, the C2-C4 alkenylene group, or the C2-C4 alkynylene group is unsubstituted or at least one hydrogen of the C1-C4 alkylene group, the C2-C4 alkenylene group, or the C2-C4 alkynylene group is substituted by halogen, and/or at least one —CH2— of the C1-C4 alkylene group, the C2-C4 alkenylene group, or the C2-C4 alkynylene group is replaced by —O— or —S—, and —O— does not directly bond to —O— or —S—, and —S— does not directly bond to —S—, and wherein at least one of Z7, Z8 and Z9 represents —OCF2— or —CF2O—;
• and
• each of s, t, u, and v independently represents 0, 1, 2, or 3, and s+t+u+v≥3.