Wavelength selective absorption filter, polarizing plate, organic electroluminescent display device, and liquid crystal display device

A wavelength selective absorption filter comprising:

• a resin;
• and
• a dye,
• wherein the dye contained in the wavelength selective absorption filter consists of a dye A and a dye C,
• wherein the dye A and the dye C each has a main absorption wavelength band in a different wavelength range,
• wherein the dye A and the dye C do not have fluorescence,
• the dye A:
• a dye having a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 400 to 450 nm,
• the dye C:
• a dye having a main absorption wavelength band in the wavelength selective absorption filter at a wavelength of 560 to 600 nm;
• wherein the dye A is a coloring agent represented by General Formula (A1),
• wherein, in the General Formula (A1), R1 and R2 each independently represent an alkyl group or an aryl group, R3, R5 and R6 each independently represent a hydrogen atom or a substituent, R4 represents a hydrogen atom, an alkyl group or an aryl group, and R5 and R6 may be bonded to each other to form a 6-membered ring;
• and
• wherein the alkyl group of R4 is an unsubstituted alkyl group, or a substituted alkyl group whose substituent is an aryl group, a heterocyclic group, a carboxy group, a hydroxy group, an alkoxy group, an aryloxy group, an alkylamino group, an alkylcarbonylamino group, a cyano group, an acyl group, or a monovalent group in which at least the two thereof are linked to each other.