Photo-curable fluorene derivative and composition containing the same

A compound represented by Formula (1):

• wherein R1 and R2 are independently hydrogen or alkyl having a carbon number of 1 to 5;
• R3 and R4 are independently hydrogen, fluorine, chlorine or alkyl having a carbon number of 1 to 20;
• optional —CH2— in the above alkyl may be substituted with —O—, —S—, —COO—, —OCO—, —CO—, —CH═CH— or —C≡C—, and optional hydrogen in the above alkyl may be substituted with halogen;
• Y1 and Y2 are independently alkylene having a carbon number of 1 to 15, and optional —CH2— in the above alkylene may be substituted with —O—;
• A1 and A2 are independently 1,4-cyclohexylene, 1,4-cyclohexylene in which at least one hydrogen is substituted with fluorine, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one hydrogen is substituted with halogen, methyl or trifluoromethyl, pyridine-2,5-diyl, pyridazine-3,6-diyl, pyrimidine-2,5-diyl, naphthalene-2,6-diyl, tetrahydronaphthalene-2,6-diyl or 1,3-dioxane-2,5-diyl;
• X1 and X2 are independently a single bond, —O—, —S—, —COO— or —OCO—;
• X3 and X4 are independently —COO—, —OCO—, —CH2CH2— or —C ≡C—;
• and m and n are independently 1 or 0.