A red colored photosensitive resin composition according to the present invention comprises: a coloring agent including a C.I. pigment red 177, a compound represented by chemical formula 1, and a compound represented by chemical formula 2; and a photopolymerization initiator including a compound represented by chemical formula 3, wherein the compound represented by chemical formula 1 and the compound represented by chemical formula 2 are included in a weight ratio of 2:8 to 8:2. The red colored photosensitive resin composition according to the present invention can suppress a drop in reliability of a red photoresist (PR) when applying the red PR to a photo-alignment model.
Red colored photosensitive resin composition, color filter and display device having the same