| 摘要 |
A novel vanadium phthalocyanine compound with low absorptivity in the visible light region and high absorptivity in the near-infrared light region, and a near-infrared absorption filter using the same are disclosed. The near-infrared absorption vanadium phthalocyanine compound is represented by Formula 1 of Claim 1. In Formula 1, A 2 , A 3 , A 6 , A 7 , A 10 , A 11 , A 14 and A 15 are independently OR 1 , SR 2 or a halogen atom, wherein at least four thereof are OR 1 ; A 1 , A 4 , A 5 , A 8 , A 9 , A 12 , A 13 and A 16 are independently OR 1 , SR 2 , NR 3 R 4 or a halogen atom, wherein at least one thereof is NR 3 R 4 , and at least four thereof are OR 1 ; R 1 , R 2 , R 3 and R 4 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.
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