Copper phthalocyanine compound and near infrared ray absorption filter using the same

摘要

PURPOSE: A novel copper phthalocyanine compound is provided to ensure excellent absorption efficiency and to use in near infrared ray absorption filter.;CONSTITUTION: A near infrared ray absorption copper phthalocyanine compound is denoted by chemical formula 1. In chemical formula 1, A2, A3, A6, A7, A10, A11, A14, and A15 are independently OR_1, SR_2, or halogen atom, wherein at least 4 is OR_1; A1, A4, A5, A8, A9, A12, A13, and A16 are independently OR_1, SR_2, NR_3R_4, or halogen atom, wherein at least 2 is NR_3R_4 and at least 4 is OR_1; and R1, R2, R3, and R4 are independently alkyl of 1-10 carbon atoms, aryl group of 6-10 carbon atoms, or aralkyl group of 7-15 carbon atoms.;COPYRIGHT KIPO 2010