Active matrix type liquid crystal display and liquid crystal material

An active matrix liquid crystal display device as claimed in claimed 1, wherein said dopant is a compound represented by the general formula (II):

• Wherein Y1 represents ant one of —COOH, —CONH2, —OH, —NH2, —NHR or NR2;
• Y2 represents any one of hydrogen, —F, —CN, —COOH, —CONH2, —NH2 or —OH;
• X1 represents any one of a single bond, —CO—O—, —O—CO—, —COCH2—, —CH2—CO—, —CH2O—, —OCH2—, —CH2—CH2— or —CH═CH;
• X2 represents any one of a single bond, —CO—O—, —O—CO—, —COCH2—, —CH2—CO—, —CH2O—, —OCH2—, —CH2CH2— or —CH═CH;
• A1 represents ant one of a single bond, a phenylene group or a cyclohexylene group;
• A2 represents any one of a single bond, phenylene group or a cyclohexylene group;
• R1 represents any one of an alkyl group or an alkoxy group;
• and R2 represents any one of an alkyl group or an alkoxy group.