| abstract |
The present invention provides a near infrared absorption filter which contains, in a resin film produced from either or both a polycarbonate and a polyarylate by solution casting, a dithiol-nickel complex represented by the following formula (1): ##STR1## and at least one kind of diimmonium compound represented by the following formula (2): ##STR2## (Wherein R 1 to R 8 may be the same or different and are each a hydrogen atom, an alkyl group or an aryl group; and X - is an anion represented by halogen anion, perchloric acid anion, antimony hexafluoride anion or nitric acid anion). |