Photosensitive resin composition, and photosensitive resin film and colour filter manufactured by using same

A photosensitive resin composition, comprising:

• (A) a colorant including a xanthene-based dye and a blue pigment having an average particle diameter (D50) of less than 100 nm;
• (B) a binder resin including a radically polymerizable double bond;
• (C) a photopolymerizable compound;
• (D) a photopolymerization initiator;
• (E) a matting agent represented by Chemical Formula 1;
• and
• (F) a solvent:
• wherein, in Chemical Formula 1,
• R1 to R4 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C6 to C20 aryl group,
• R5 and R6 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group, or a substituted or unsubstituted sulfonamide group, provided that at least one of R5 and R6 is a substituted or unsubstituted sulfonamide group, and
• n1 and n2 are each independently an integer of 1 to 3,
• wherein, the xanthene-based dye is represented by Chemical Formula 3:
• wherein, in Chemical Formula 3,
• R9 to R13 are each independently a hydrogen atom, a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C6 to C20 aryl group, and
• L is a divalent linking group containing at least one aromatic ring.