A photosensitive composition containing at least one compound selected from the group of the following (a-1) to (a-3) and containing (b) a photosensitizer: (a-1) an epoxy compound having a C9-C19 long-chain alkyl group, (a-2) a resin having a structure represented by the following general formula (1), and (a-3) a resin having a structure represented by the following general formula (2). A photosensitive composition capable of forming a pixel division layer that has high flexibility and affords excellent light emission reliability to an organic EL display device is provided.