Patent ID: 8501843
Filing Date: 2013-08-06
Classification: C09B,G02B,G02F

Abstract:
1. An optical filter comprising: an adhesive layer formed from: wherein the at least one dye compound (i) is a cyanine dye compound represented by general formula (I) below: in the Formula I, ring A is a group represented by (a) or (b) below, ring B is a group represented by (a) or (c) below, Q represents a linkage constituting a polymethine chain in which a cyclic structure may be contained, hydrogen atom(s) in said polymethine chain may be replaced by a halogen atom, cyano group, hydroxyl group, alkyl group, alkoxy group, aryl group, or substituted aryl group, An in the Formula II, each of R in the Formula III, each of R in the formula IV, each of R 10 to R 13 independently represents a hydrogen atom, halogen atom, alkyl group having 1 to 4 carbon atoms and optionally having substituent(s), or alkoxy group having 1 to 4 carbon atoms and optionally having substituent(s), and R 10 and R 11 may be linked to form a carbocyclic or heterocyclic ring system having 3 to 12 carbon atoms, or the dye compound (i) is a diimmonium compound represented by general formula (V) below: where each of R