| abstract |
Disclosed is a near-infrared absorption filter that does not exhibit blue color, effectively absorbs near-infrared light, has high visible light transmittance, and is excellent in transparency, and an adhesive composition used for the filter. An inorganic near-infrared absorber having an average particle size of 40 to 200 nm, a pressure-sensitive adhesive composition containing a metal oxide fine particle having an average particle size of 5 to 30 nm and a resin, and a pressure-sensitive adhesive layer comprising the pressure-sensitive adhesive composition. A pressure-sensitive adhesive composition that is a near-infrared absorption filter, wherein the inorganic near-infrared absorber is a tungsten oxide compound, and the metal oxide fine particles are zirconium oxide and / or tungsten oxide. [Selection figure] None |