Copper phthalocyanine compounds and near-infrared absorption filter using the same

A near-infrared absorption copper phthalocyanine compound represented by the following Formula 1,

• wherein, A2, A3, A6, A7, A10, A11, A14 and A15 are independently OR1, SR2 or a halogen atom, wherein at least four thereof are OR1;
• A1, A4, A5, A8, A9, A12, A13 and A16 are independently OR1, SR2, NR3R4 or a halogen atom, wherein at least two thereof are NR3R4, and at least four thereof are OR1;
• and R1, R2, R3 and R4 are independently an alkyl group of 1 to 10 carbon atoms, an aryl group of 6 to 10 carbon atoms, or an aralkyl group of 7 to 15 carbon atoms, and
• wherein, R3 and R4 are connected to form a cyclic structure.

A near-infrared absorption copper phthalocyanine compound represented by the following Formula 1,

• wherein, A2, A3, A6, A7, A10, A11, A14 and A15 are independently OR1, SR2 or a halogen atom, wherein at least four thereof are OR1;
• A1, A4, A5, A8, A9, A12, A13 and A16 are independently OR1, SR2, NR3R4 or a halogen atom, wherein at least two thereof are NR3R4, and at least four thereof are OR1;
• and R1, R2, R3 and R4 are independently an alkyl group of 1 to 10 carbon atoms, an aryl group of 6 to 10 carbon atoms, or an aralkyl group of 7 to 15 carbon atoms, and
• wherein, NR3R4 forms a heterocyclic compound whose structure is selected from the group consisting of pyrrolidine and piperidine.