Patent ID: 8202927

Claim:
A near-infrared absorbing composition in which, as a near-infrared absorbing agent, composite tungsten oxide fine particles having an average dispersed particle diameter of the composite tungsten oxide fine particles is 800 nm or less and represented by the general formula MwWyOz, wherein element M is one or more elements selected from the group consisting of H, He, alkali metals, alkaline-earth metals, rare-earth metals, Mg, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Be, Hf, Os, Bi and I; W is tungsten; O is oxygen; and 0.001≦/y≦1.1 and 2.2≦z/y≦3.0, are dispersed in a resin which comprises carboxyl groups and has an acid number of 0.6 or more and 30 or less.